Adding upstream version 2.11.4.upstream/2.11.4upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

195 files changed, 15198 insertions, 0 deletions

diff --git a/public/css/icinga/about.less b/public/css/icinga/about.less
new file mode 100644
index 0000000..4ccaaf8
--- /dev/null
+++ b/public/css/icinga/about.less
@@ -0,0 +1,99 @@
+/*! Icinga Web 2 | (c) 2015 Icinga Development Team | GPLv2+ */
+
+#about {
+  &.content {
+    display: flex;
+    flex-direction: column;
+    align-items: center;
+  }
+
+  section {
+    width: auto;
+
+    > * {
+      margin-bottom: 2em;
+    }
+  }
+
+  h2 {
+    margin: 0;
+  }
+
+  .name-value-table {
+    th {
+      width: 100%;
+    }
+
+    th,
+    td {
+      white-space: nowrap;
+
+      a {
+        color: @icinga-blue
+      }
+    }
+  }
+
+  section:not(:last-child),
+  .icinga-logo {
+    margin-bottom: 2em;
+  }
+
+  .external-links {
+    .rounded-corners();
+    border: 1px solid @gray-light;
+    display: flex;
+    padding: .5em 0;
+    overflow: hidden;
+
+    .col {
+      flex: 1 1 auto;
+      text-align: center;
+      font-size: 12/14em;
+    }
+
+    .col:not(:last-child) {
+      border-right: 1px solid @gray-light;
+    }
+
+    a {
+      display: block;
+      padding: .75em 1em;
+      margin: -7/12em 0;
+    }
+
+    a:hover {
+      text-decoration: none;
+      background: @gray-light;
+    }
+
+    i {
+      font-size: 2*14/12em;
+      opacity: .8;
+      margin-bottom: .25em;
+      display: block;
+
+      &:before {
+        margin-right: 0;
+      }
+    }
+  }
+
+  footer {
+    margin-top: auto;
+    align-self: stretch;
+    display: flex;
+    justify-content: space-between;
+    align-items: baseline;
+
+    a {
+      i {
+        font-size: 2em;
+      }
+
+      &:hover {
+        opacity: .6;
+      }
+    }
+  }
+}
diff --git a/public/css/icinga/animation.less b/public/css/icinga/animation.less
new file mode 100644
index 0000000..aad3ffb
--- /dev/null
+++ b/public/css/icinga/animation.less
@@ -0,0 +1,366 @@
+/*! Icinga Web 2 | (c) 2014 Icinga Development Team | GPLv2+ */
+
+.animate(@animate) {
+  -moz-animation: @animate;
+  -o-animation: @animate;
+  -webkit-animation: @animate;
+  animation: @animate;
+}
+
+@-moz-keyframes spin {
+  0% {
+    -moz-transform: rotate(0deg);
+    -o-transform: rotate(0deg);
+    -webkit-transform: rotate(0deg);
+    transform: rotate(0deg);
+  }
+
+  100% {
+    -moz-transform: rotate(359deg);
+    -o-transform: rotate(359deg);
+    -webkit-transform: rotate(359deg);
+    transform: rotate(359deg);
+  }
+}
+@-webkit-keyframes spin {
+  0% {
+    -moz-transform: rotate(0deg);
+    -o-transform: rotate(0deg);
+    -webkit-transform: rotate(0deg);
+    transform: rotate(0deg);
+  }
+
+  100% {
+    -moz-transform: rotate(359deg);
+    -o-transform: rotate(359deg);
+    -webkit-transform: rotate(359deg);
+    transform: rotate(359deg);
+  }
+}
+@-o-keyframes spin {
+  0% {
+    -moz-transform: rotate(0deg);
+    -o-transform: rotate(0deg);
+    -webkit-transform: rotate(0deg);
+    transform: rotate(0deg);
+  }
+
+  100% {
+    -moz-transform: rotate(359deg);
+    -o-transform: rotate(359deg);
+    -webkit-transform: rotate(359deg);
+    transform: rotate(359deg);
+  }
+}
+@-ms-keyframes spin {
+  0% {
+    -moz-transform: rotate(0deg);
+    -o-transform: rotate(0deg);
+    -webkit-transform: rotate(0deg);
+    transform: rotate(0deg);
+  }
+
+  100% {
+    -moz-transform: rotate(359deg);
+    -o-transform: rotate(359deg);
+    -webkit-transform: rotate(359deg);
+    transform: rotate(359deg);
+  }
+}
+@keyframes spin {
+  0% {
+    -moz-transform: rotate(0deg);
+    -o-transform: rotate(0deg);
+    -webkit-transform: rotate(0deg);
+    transform: rotate(0deg);
+  }
+
+  100% {
+    -moz-transform: rotate(359deg);
+    -o-transform: rotate(359deg);
+    -webkit-transform: rotate(359deg);
+    transform: rotate(359deg);
+  }
+}
+
+@-moz-keyframes move-vertical {
+  0% {
+    -moz-transform: translate(0, 100%);
+    -o-transform: translate(0, 100%);
+    -webkit-transform: translate(0, 100%);
+    transform: translate(0, 100%);
+  }
+
+  17% {
+    -moz-transform: translate(0, 66%);
+    -o-transform: translate(0, 66%);
+    -webkit-transform: translate(0, 66%);
+    transform: translate(0, 66%);
+  }
+
+  33% {
+    -moz-transform: translate(0, 33%);
+    -o-transform: translate(0, 33%);
+    -webkit-transform: translate(0, 33%);
+    transform: translate(0, 33%);
+  }
+
+  50% {
+    -moz-transform: translate(0, 0);
+    -o-transform: translate(0, 0);
+    -webkit-transform: translate(0, 0);
+    transform: translate(0, 0);
+  }
+
+  67% {
+    -moz-transform: translate(0, -33%);
+    -o-transform: translate(0, -33%);
+    -webkit-transform: translate(0, -33%);
+    transform: translate(0, -33%);
+  }
+
+  83% {
+    -moz-transform: translate(0, -66%);
+    -o-transform: translate(0, -66%);
+    -webkit-transform: translate(0, -66%);
+    transform: translate(0, -66%);
+  }
+
+  100% {
+    -moz-transform: translate(0, -100%);
+    -o-transform: translate(0, -100%);
+    -webkit-transform: translate(0, -100%);
+    transform: translate(0, -100%);
+  }
+}
+@-webkit-keyframes move-vertical {
+  0% {
+    -moz-transform: translate(0, 100%);
+    -o-transform: translate(0, 100%);
+    -webkit-transform: translate(0, 100%);
+    transform: translate(0, 100%);
+  }
+
+  17% {
+    -moz-transform: translate(0, 66%);
+    -o-transform: translate(0, 66%);
+    -webkit-transform: translate(0, 66%);
+    transform: translate(0, 66%);
+  }
+
+  33% {
+    -moz-transform: translate(0, 33%);
+    -o-transform: translate(0, 33%);
+    -webkit-transform: translate(0, 33%);
+    transform: translate(0, 33%);
+  }
+
+  50% {
+    -moz-transform: translate(0, 0);
+    -o-transform: translate(0, 0);
+    -webkit-transform: translate(0, 0);
+    transform: translate(0, 0);
+  }
+
+  67% {
+    -moz-transform: translate(0, -33%);
+    -o-transform: translate(0, -33%);
+    -webkit-transform: translate(0, -33%);
+    transform: translate(0, -33%);
+  }
+
+  83% {
+    -moz-transform: translate(0, -66%);
+    -o-transform: translate(0, -66%);
+    -webkit-transform: translate(0, -66%);
+    transform: translate(0, -66%);
+  }
+
+  100% {
+    -moz-transform: translate(0, -100%);
+    -o-transform: translate(0, -100%);
+    -webkit-transform: translate(0, -100%);
+    transform: translate(0, -100%);
+  }
+}
+@-o-keyframes move-vertical {
+  0% {
+    -moz-transform: translate(0, 100%);
+    -o-transform: translate(0, 100%);
+    -webkit-transform: translate(0, 100%);
+    transform: translate(0, 100%);
+  }
+
+  17% {
+    -moz-transform: translate(0, 66%);
+    -o-transform: translate(0, 66%);
+    -webkit-transform: translate(0, 66%);
+    transform: translate(0, 66%);
+  }
+
+  33% {
+    -moz-transform: translate(0, 33%);
+    -o-transform: translate(0, 33%);
+    -webkit-transform: translate(0, 33%);
+    transform: translate(0, 33%);
+  }
+
+  50% {
+    -moz-transform: translate(0, 0);
+    -o-transform: translate(0, 0);
+    -webkit-transform: translate(0, 0);
+    transform: translate(0, 0);
+  }
+
+  67% {
+    -moz-transform: translate(0, -33%);
+    -o-transform: translate(0, -33%);
+    -webkit-transform: translate(0, -33%);
+    transform: translate(0, -33%);
+  }
+
+  83% {
+    -moz-transform: translate(0, -66%);
+    -o-transform: translate(0, -66%);
+    -webkit-transform: translate(0, -66%);
+    transform: translate(0, -66%);
+  }
+
+  100% {
+    -moz-transform: translate(0, -100%);
+    -o-transform: translate(0, -100%);
+    -webkit-transform: translate(0, -100%);
+    transform: translate(0, -100%);
+  }
+}
+@-ms-keyframes move-vertical {
+  0% {
+    -moz-transform: translate(0, 100%);
+    -o-transform: translate(0, 100%);
+    -webkit-transform: translate(0, 100%);
+    transform: translate(0, 100%);
+  }
+
+  17% {
+    -moz-transform: translate(0, 66%);
+    -o-transform: translate(0, 66%);
+    -webkit-transform: translate(0, 66%);
+    transform: translate(0, 66%);
+  }
+
+  33% {
+    -moz-transform: translate(0, 33%);
+    -o-transform: translate(0, 33%);
+    -webkit-transform: translate(0, 33%);
+    transform: translate(0, 33%);
+  }
+
+  50% {
+    -moz-transform: translate(0, 0);
+    -o-transform: translate(0, 0);
+    -webkit-transform: translate(0, 0);
+    transform: translate(0, 0);
+  }
+
+  67% {
+    -moz-transform: translate(0, -33%);
+    -o-transform: translate(0, -33%);
+    -webkit-transform: translate(0, -33%);
+    transform: translate(0, -33%);
+  }
+
+  83% {
+    -moz-transform: translate(0, -66%);
+    -o-transform: translate(0, -66%);
+    -webkit-transform: translate(0, -66%);
+    transform: translate(0, -66%);
+  }
+
+  100% {
+    -moz-transform: translate(0, -100%);
+    -o-transform: translate(0, -100%);
+    -webkit-transform: translate(0, -100%);
+    transform: translate(0, -100%);
+  }
+}
+@keyframes move-vertical {
+  0% {
+    -moz-transform: translate(0, 100%);
+    -o-transform: translate(0, 100%);
+    -webkit-transform: translate(0, 100%);
+    transform: translate(0, 100%);
+  }
+
+  17% {
+    -moz-transform: translate(0, 66%);
+    -o-transform: translate(0, 66%);
+    -webkit-transform: translate(0, 66%);
+    transform: translate(0, 66%);
+  }
+
+  33% {
+    -moz-transform: translate(0, 33%);
+    -o-transform: translate(0, 33%);
+    -webkit-transform: translate(0, 33%);
+    transform: translate(0, 33%);
+  }
+
+  50% {
+    -moz-transform: translate(0, 0);
+    -o-transform: translate(0, 0);
+    -webkit-transform: translate(0, 0);
+    transform: translate(0, 0);
+  }
+
+  67% {
+    -moz-transform: translate(0, -33%);
+    -o-transform: translate(0, -33%);
+    -webkit-transform: translate(0, -33%);
+    transform: translate(0, -33%);
+  }
+
+  83% {
+    -moz-transform: translate(0, -66%);
+    -o-transform: translate(0, -66%);
+    -webkit-transform: translate(0, -66%);
+    transform: translate(0, -66%);
+  }
+
+  100% {
+    -moz-transform: translate(0, -100%);
+    -o-transform: translate(0, -100%);
+    -webkit-transform: translate(0, -100%);
+    transform: translate(0, -100%);
+  }
+}
+
+@keyframes blink {
+  0% {
+    opacity: 0.2;
+  }
+
+  20% {
+    opacity: 1;
+  }
+
+  100% {
+    opacity: 0.2;
+  }
+}
+
+@keyframes pulse {
+  0% {
+    opacity: .5;
+    transform: scale(1);
+  }
+
+  50% {
+    opacity: 1;
+    transform: scale(1.2);
+  }
+
+  100% {
+    opacity: .5;
+    transform: scale(1);
+  }
+}
diff --git a/public/css/icinga/audit.less b/public/css/icinga/audit.less
new file mode 100644
index 0000000..23ab5b9
--- /dev/null
+++ b/public/css/icinga/audit.less
@@ -0,0 +1,363 @@
+// Style
+
+.privilege-audit-role-control {
+  list-style-type: none;
+
+  li {
+    .rounded-corners(3px);
+    border: 1px solid;
+    border-color: @low-sat-blue;
+
+    &.active {
+      border-color: @icinga-blue;
+    }
+  }
+}
+
+.privilege-audit {
+  &, ul, ol {
+    list-style-type: none;
+  }
+
+  .privilege-section > summary {
+    font-weight: @font-weight-bold;
+    border-bottom: 1px solid @gray-light;
+  }
+
+  .privilege-section > summary em,
+  .previews em,
+  .privilege-label em {
+    color: @text-color-light;
+  }
+  .privilege-section > summary em {
+    font-weight: normal;
+  }
+  .privilege-label em {
+    font-style: normal;
+  }
+
+  .icon {
+    color: @gray-light;
+
+    &.granted {
+      color: @color-granted;
+    }
+
+    &.refused {
+      color: @color-refused;
+    }
+
+    &.restricted {
+      color: @color-restricted;
+    }
+  }
+
+  .privilege-list > li {
+    .spacer {
+      opacity: 0;
+      .transition(opacity .5s ease-out);
+    }
+
+    &:hover .spacer {
+      .transition(opacity .25s .25s ease-in);
+      border: 0 dashed;
+      border-color: @gray-light;
+      border-top-width: .2em;
+      opacity: 1;
+    }
+  }
+
+  .vertical-line {
+    border: 0 solid;
+    border-left-width: 2px;
+
+    &.granted {
+      border-color: @color-granted;
+    }
+
+    &.refused {
+      border-color: @color-refused;
+    }
+  }
+
+  .connector {
+    border: 0 solid;
+    border-color: @gray-lighter;
+    border-bottom-width: 2px;
+
+    &.granted {
+      border-color: @color-granted;
+    }
+
+    &.refused {
+      border-color: @color-refused;
+    }
+
+    &:first-child {
+      border-width: 0 0 2px 2px;
+      border-bottom-left-radius: .5em;
+    }
+  }
+
+  .role {
+    .rounded-corners(1em);
+    border: 2px solid;
+    border-color: @gray-lighter;
+
+    &.granted {
+      border: 2px solid;
+      border-color: @color-granted;
+    }
+
+    &.refused {
+      border: 2px solid;
+      border-color: @color-refused;
+    }
+  }
+
+  .restriction {
+    font-family: @font-family-fixed;
+    background-color: @gray-lighter;
+  }
+}
+
+// Layout
+
+.privilege-audit-role-control {
+  display: inline-flex;
+  flex-wrap: wrap;
+
+  margin: 0 0 0 1em;
+  padding: 0;
+
+  li {
+    margin-top: @vertical-padding;
+
+    &:not(:first-child) {
+      margin-left: .5em;
+    }
+  }
+}
+
+.privilege-audit {
+  &, ul, ol {
+    margin: 0;
+    padding: 0;
+  }
+
+  .flex-overflow,
+  .privilege-list > li,
+  .inheritance-paths > ol {
+    display: flex;
+  }
+
+  .privilege-list > li {
+    margin-top: 1em;
+
+    > :last-child {
+      // This aids the usage of text-overflow:ellipsis in any of the children.
+      // It seems that to get this working while none of the children has a
+      // defined width, any flex item on the way up to the clipped container
+      // also must have a overflow value of "hidden".
+      // https://codepen.io/unthinkingly/pen/XMwJLG
+      overflow: hidden;
+    }
+
+    > details:last-child {
+      // The overflow above cuts off the outline of the summary otherwise
+      margin: -4px;
+      padding: 4px;
+    }
+  }
+
+  .privilege-section {
+    &:not(.collapsed) {
+      margin-bottom: 2em;
+    }
+  }
+
+  .privilege-section > summary {
+    display: flex;
+    align-items: baseline;
+    font-size: 1.167em;
+    margin: 0.556em 0 0.333em;
+
+    > :first-child {
+      flex: 3 1 auto;
+      min-width: 20em;
+      max-width: 40em / 1.167em; // privilege label width + spacer width / summary font-size
+    }
+
+    .audit-preview {
+      flex: 1 1 auto;
+
+      .icon:before {
+        width: 1.25em;
+        font-size: 1.25em / 1.167em; // privilege state icon font-size / summary font-size
+      }
+    }
+
+    em {
+      font-size: .857em;
+    }
+  }
+
+  h4,
+  .privilege-label {
+    flex-shrink: 0;
+    width: 20em;
+    margin: 0;
+    text-align: right;
+  }
+
+  ol + h4 {
+    margin-top: 1em;
+  }
+
+  .spacer {
+    flex: 20 1 auto;
+    min-width: 10em; // TODO: Mobile?
+    max-width: 18.8em; // 20em - (margin-left + margin-right)
+    margin: .6em;
+  }
+
+  .inheritance-paths,
+  .restrictions {
+    flex: 1 1 auto;
+
+    > summary {
+      line-height: 1;
+
+      overflow: hidden;
+      white-space: nowrap;
+      text-overflow: ellipsis;
+
+      > .icon:before {
+        width: 1.25em;
+        font-size: 1.25em;
+      }
+    }
+  }
+
+  .vertical-line {
+    margin-left: ~"calc(.75em - 1px)";
+  }
+
+  .connector {
+    flex: 1 1 auto;
+    width: 2em;
+    max-width: 2em;
+    min-width: 1em;
+    margin-bottom: ~"calc(1em - 1px)";
+
+    &:first-child {
+      margin-left: ~"calc(.75em - 1px)";
+    }
+
+    &.initiator {
+      z-index: 1;
+      margin-right: ~"calc(-.25em - 2px)";
+    }
+  }
+
+  .vertical-line + .connector {
+    min-width: ~"calc(.75em - 2px)";
+    width: ~"calc(.75em - 2px)";
+    flex-grow: 0;
+
+    &.initiator {
+      width: ~"calc(1em - 1px)";
+    }
+  }
+  .connector:first-child {
+    min-width: .75em;
+    width: .75em;
+    flex-grow: 0;
+
+    &.initiator {
+      width: 1em;
+    }
+  }
+
+  .role {
+    padding: .25em .5em .25em .5em;
+    line-height: 1;
+
+    overflow: hidden;
+    white-space: nowrap;
+    text-overflow: ellipsis;
+
+    .icon:before {
+      font-size: 1.25em;
+    }
+  }
+  .inheritance-paths .role {
+    min-width: 4em;
+    margin-top: .5em;
+    padding-left: .25em;
+  }
+  .restrictions .role {
+    display: inline-block;
+  }
+
+  .previews {
+    display: flex;
+    margin-top: .25em;
+
+    em {
+      // explicit margin + ((header icon width + its margin right) * 125% font-size)
+      margin: 0 1em 0 1em + ((1.25em + .2em) * 1.25em);
+    }
+  }
+
+  .links li:not(:last-child):after {
+    content: ",";
+  }
+
+  .restrictions > ul > li {
+    margin-top: .5em;
+
+    .role {
+      margin-left: 1.25em + .2em * 1.25em; // (header icon width + its margin right) * 125% font-size
+      margin-right: 1em;
+    }
+  }
+
+  .restriction {
+    font-size: .8em;
+    padding: .335em / .8em;
+    overflow: hidden;
+    white-space: nowrap;
+    text-overflow: ellipsis;
+
+    .user-select(all);
+  }
+}
+
+#layout.minimal-layout,
+#layout.poor-layout {
+  .privilege-audit {
+    .privilege-section > summary > :first-child {
+      flex-grow: 99;
+    }
+
+    h4,
+    .privilege-label {
+      width: 12em;
+    }
+
+    .spacer {
+      flex: 0;
+      min-width: 0;
+    }
+  }
+}
+
+// Integrations
+
+.privilege-audit .collapsible {
+  .collapsible-control {
+    cursor: pointer;
+    .user-select(none);
+  }
+}
diff --git a/public/css/icinga/badges.less b/public/css/icinga/badges.less
new file mode 100644
index 0000000..eae95c2
--- /dev/null
+++ b/public/css/icinga/badges.less
@@ -0,0 +1,22 @@
+/*! Icinga Web 2 | (c) 2015 Icinga Development Team | GPLv2+ */
+
+@badge-color: @body-bg-color;
+@badge-line-height: 1.2;
+@badge-padding: 0.25em;
+
+.badge {
+  .bg-stateful();
+  .rounded-corners();
+
+  background-color: @gray;
+  color: @badge-color;
+  display: inline-block;
+  font-family: @font-family-wide;
+  font-size: @font-size-small;
+  line-height: @badge-line-height;
+  min-width: 2em;
+  padding: @badge-padding;
+  text-align: center;
+  vertical-align: middle;
+  white-space: nowrap;
+}
diff --git a/public/css/icinga/base.less b/public/css/icinga/base.less
new file mode 100644
index 0000000..9ce5d7e
--- /dev/null
+++ b/public/css/icinga/base.less
@@ -0,0 +1,344 @@
+/*! Icinga Web 2 | (c) 2013 Icinga Development Team | GPLv2+ */
+
+// Black colors
+@black: #535353;
+@white: #fff;
+
+// Gray colors
+@gray: #c4c4c4;
+@gray-semilight: #888;
+@gray-light: #5c5c5c;
+@gray-lighter: #4b4b4b;
+@gray-lightest: #3a3a3a;
+
+@disabled-gray: #9a9a9a;
+
+// State colors
+@color-ok: #44bb77;
+@color-up: @color-ok;
+@color-warning: #ffaa44;
+@color-warning-handled: #ffcc66;
+@color-critical: #ff5566;
+@color-critical-handled: #ff99aa;
+@color-critical-accentuated: darken(@color-critical, 10%);
+@color-down: @color-critical;
+@color-down-handled: @color-critical-handled;
+@color-unknown: #aa44ff;
+@color-unknown-handled: #cc77ff;
+@color-unreachable: @color-unknown;
+@color-unreachable-handled: @color-unknown-handled;
+@color-pending: #77aaff;
+
+// Icinga colors
+@icinga-blue: #00C3ED;
+@icinga-secondary: #EF4F98;
+@icinga-secondary-dark: darken(@icinga-secondary, 10%);
+@low-sat-blue: #404d72;
+@low-sat-blue-dark: #434374;
+@icinga-blue-light: fade(@icinga-blue, 50%);
+@icinga-blue-dark: #0081a6;
+
+// Notification colors
+@color-notification-error: @color-critical;
+@color-notification-info: @color-pending;
+@color-notification-success: @color-ok;
+@color-notification-warning: @color-warning;
+
+// Background color for <body>
+@body-bg-color: #282E39;
+@body-bg-color-transparent: fade(@body-bg-color, 0);
+
+// Text colors
+@text-color: @white;
+@text-color-inverted: @body-bg-color;
+@text-color-light: fade(@text-color, 75%);
+@text-color-on-icinga-blue: @body-bg-color;
+@light-text-bg-color: fade(@gray, 5%);
+
+// Text color on <a>
+@link-color: @text-color;
+
+@tr-active-color: fade(@icinga-blue, 25);
+@tr-hover-color: fade(@icinga-blue, 5);
+
+// Menu colors
+@menu-bg-color: #06062B;
+@menu-hover-bg-color: lighten(@menu-bg-color, 5%);
+@menu-search-hover-bg-color: @menu-hover-bg-color;
+@menu-active-bg-color: #181742;
+@menu-active-hover-bg-color: lighten(@menu-active-bg-color, 5%);
+@menu-color: #DBDBDB;
+@menu-active-color: @text-color;
+@menu-highlight-color: @icinga-blue;
+@menu-highlight-hover-bg-color: @icinga-blue-dark;
+@menu-2ndlvl-color: #c4c4c4;
+@menu-2ndlvl-highlight-bg-color: @tr-hover-color;
+@menu-2ndlvl-active-bg-color: @menu-highlight-color;
+@menu-2ndlvl-active-color: @text-color-inverted;
+@menu-2ndlvl-active-hover-bg-color: darken(@menu-2ndlvl-active-bg-color, 5%);
+@menu-2ndlvl-active-hover-color: @menu-2ndlvl-active-color;
+@menu-flyout-bg-color: @body-bg-color;
+@menu-flyout-color: @text-color;
+@tab-hover-bg-color: fade(@body-bg-color, 50%);
+
+// Form colors
+@form-info-bg-color: fade(@color-ok, 20%);
+@form-error-bg-color: fade(@color-critical, 30%);
+@form-warning-bg-color: fade(@color-warning, 40%);
+@login-box-background: fade(#0B0B2F, 30%);
+
+// Other colors
+@color-granted: #59cd59;
+@color-refused: #ee7373;
+@color-restricted: #dede7d;
+
+// Font families
+@font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";
+@font-family-fixed: "Liberation Mono", "Lucida Console", Courier, monospace;
+@font-family-wide: Tahoma, Verdana, sans-serif;
+
+// Font sizes
+@font-size: 0.750em; // 12px
+@font-size-small: 11/12em; // 11px
+@font-size-dashboard: 3.5em; // 56px
+@font-size-dashboard-small: 1.1em; // 17px
+@font-weight-bold: 600;
+
+// Set line-height w/o unit so that the line-height is dynamically calculated as font-size * line-height
+@line-height: 1.5;
+
+@table-column-padding: 0.333em; // 4px
+
+@vertical-padding: 0.5em; // 6px
+@horizontal-padding: 1em; // 12px
+
+@light-mode: {
+  @light-body-bg-color: #F5F9FA;
+
+  @iplWebLightRules();
+
+  :root {
+    --body-bg-color: @light-body-bg-color;
+    --body-bg-color-transparent: fade(@light-body-bg-color, 0);
+    --badge-color: #F5F9FA;
+    --text-color-inverted: #F5F9FA;
+    --text-color-on-icinga-blue: #F5F9FA;
+    --menu-flyout-bg-color: #F5F9FA;
+    --tab-hover-bg-color: fade(#F5F9FA, 50%);
+
+    --menu-color: #535353;
+    --menu-bg-color: #DEECF1;
+    --menu-hover-bg-color: darken(#DEECF1, 10%);
+    --menu-search-hover-bg-color: darken(#DEECF1, 10%);
+    --menu-active-bg-color: #EDF7FC;
+    --menu-active-hover-bg-color: darken(#EDF7FC, 20%);
+    --menu-highlight-hover-bg-color: darken(#EDF7FC, 20%);
+    --menu-2ndlvl-color: #676767;
+
+    --text-color: #535353;
+    --text-color-light: fade(#535353, 75%);
+    --light-text-bg-color: fade(#7F7F7F, 5%);
+    --link-color: #535353;
+    --menu-active-color: #535353;
+    --menu-flyout-color: #535353;
+
+    --low-sat-blue: #DEECF1;
+    --low-sat-blue-dark: #c0cccd;
+
+    --gray: #819398;
+    --gray-semilight: #94a5a6;
+    --gray-light: #d0d3da;
+    --gray-lighter: #e8ecef;
+    --gray-lightest: #F7F7F7;
+
+    // ipl-web overrides
+    --base-gray: var(--gray);
+    --base-gray-light: var(--gray-light);
+    --base-gray-lighter: var(--gray-lighter);
+
+    --default-text-color: var(--text-color);
+    --default-text-color-light: var(--text-color-light);
+    --default-text-color-inverted: var(--text-color-inverted);
+
+    --searchbar-bg: var(--low-sat-blue);
+
+    --search-logical-operator-bg: fade(#819398, 50%); // --gray
+  }
+};
+
+// ipl-web overrides
+@default-bg: @body-bg-color;
+
+@base-gray: @gray;
+@base-gray-light: @gray-light;
+@base-gray-lighter: @gray-lighter;
+@base-disabled: @disabled-gray;
+
+@base-primary-color: @icinga-blue;
+@base-primary-bg: @icinga-blue;
+
+@default-text-color: @text-color;
+@default-text-color-light: @text-color-light;
+
+@state-ok: @color-ok;
+@state-warning: @color-warning;
+@state-critical: @color-critical;
+@state-pending: @color-pending;
+@state-unknown: @color-unknown;
+
+@primary-button-hover-bg: @icinga-blue-dark;
+
+@searchbar-bg: @low-sat-blue;
+
+// Make padding not affect the final computed width of an element
+html {
+  box-sizing: border-box;
+}
+details > * {
+  // children somehow default to content-box no matter the inheritance
+  box-sizing: border-box;
+}
+*,
+*:before,
+*:after {
+  -webkit-box-sizing: inherit;
+     -moz-box-sizing: inherit;
+          box-sizing: inherit;
+}
+
+a {
+  // Reset defaults
+  color: inherit;
+  text-decoration: none;
+
+  &:hover {
+    text-decoration: underline;
+  }
+}
+
+:focus {
+  outline: 3px solid fade(@icinga-blue, 50%);
+  outline-offset: 1px;
+}
+
+// Default margin for block text
+blockquote, p, pre {
+  margin: 0 0 1em 0;
+}
+
+blockquote {
+  border-left: 5px solid @gray-lighter;
+  padding: 0.667em 0.333em;
+}
+
+h1, h2, h3, h4, h5, h6 {
+  font-weight: @font-weight-bold;
+  margin: 0.556em 0 0.333em;
+}
+
+h1 {
+  border-bottom: 1px solid @gray-lighter;
+  font-size: 1.333em;
+}
+
+h2 {
+  font-size: 1.333em;
+}
+
+h3 {
+  font-size: 1.167em;
+}
+
+h4 {
+  font-size: 1em;
+}
+
+h5 {
+  font-size: @font-size-small;
+}
+
+h6 {
+  font-size: @font-size-small;
+  font-weight: normal;
+}
+
+pre {
+  .rounded-corners(.25em);
+  background-color: @gray-lighter;
+  font-family: @font-family-fixed;
+  font-size: @font-size-small;
+  padding: @vertical-padding @horizontal-padding;
+  white-space: pre-wrap;
+}
+
+td, th {
+  padding: @table-column-padding;
+}
+
+[class^="icon-"], [class*=" icon-"] {
+  // Smooth icons; ifont claims to have it, but it does not work in :before
+  -webkit-font-smoothing: antialiased;
+  -moz-osx-font-smoothing: grayscale;
+
+  &:before {
+    margin-left: 0;
+  }
+}
+
+// Styles for when the page is loading. JS will remove this class once the document is ready
+.loading * {
+  // Disable all transition on page load
+  -webkit-transition: none !important;
+     -moz-transition: none !important;
+       -o-transition: none !important;
+          transition: none !important;
+}
+
+.container {
+  &:before,
+  > .content:before {
+    content: "";
+    display: block;
+
+    background: url(../img/icinga-loader.gif) no-repeat center center;
+    background-color: @body-bg-color;
+    background-size: 4em 4em;
+
+    opacity: 0;
+    z-index: -1;
+    pointer-events: none;
+    .transition(none);
+  }
+
+  &.impact,
+  > .content.impact {
+    overflow: hidden;
+    position: relative;
+
+    &:before {
+      position: absolute;
+      top: 0;
+      right: 0;
+      bottom: 0;
+      left: 0;
+
+      opacity: .7;
+      z-index: 1000;
+      pointer-events: all;
+      .transition(opacity 1s 2s linear);
+    }
+  }
+
+  &.impact:before {
+    top: 2.5em;
+  }
+}
+
+@light-mode: {
+  .container {
+    &:before,
+    > .content:before {
+      background-image: url(../img/icinga-loader-light.gif)
+    }
+  }
+};
diff --git a/public/css/icinga/compat.less b/public/css/icinga/compat.less
new file mode 100644
index 0000000..d57a189
--- /dev/null
+++ b/public/css/icinga/compat.less
@@ -0,0 +1,35 @@
+/*! Icinga Web 2 | (c) 2015 Icinga Development Team | GPLv2+ */
+
+@colorMainLayout: @icinga-blue;
+@colorMainBackground: @body-bg-color;
+@colorMainForeground: @text-color;
+@colorMainLink: @text-color;
+@colorSecondary: @gray-lightest;
+@colorGray: @gray-lightest;
+@colorLinkDefault: @text-color;
+@colorTextDefault: @text-color;
+@colorTextDarkDefault: @text-color;
+@colorOk: @color-ok;
+@colorWarning: #ffaa44;
+@colorWarningHandled: #ffcc66;
+@colorCritical: #ff5566;
+@colorCriticalHandled: #ff99aa;
+@colorUnknown: #aa44ff;
+@colorUnknownHandled: #cc77ff;
+@colorUnreachable: #aa44ff;
+@colorUnreachableHandled: #cc77ff;
+@colorPending: #77aaff;
+@colorInvalid: #999;
+@colorFormNotificationInfo: #77aaff;
+@colorFormNotificationWarning: #ffaa44;
+@colorFormNotificationError: #ff5566;
+@colorPetrol: @icinga-blue;
+@menu-2ndlvl-highlight-color: @menu-2ndlvl-active-color;
+
+table.action {
+  .common-table();
+}
+
+table.avp {
+  .name-value-table();
+}
diff --git a/public/css/icinga/configmenu.less b/public/css/icinga/configmenu.less
new file mode 100644
index 0000000..05e50e8
--- /dev/null
+++ b/public/css/icinga/configmenu.less
@@ -0,0 +1,303 @@
+#menu {
+  margin-bottom: 3em;
+}
+
+.sidebar-collapsed #menu {
+  margin-bottom: 8em;
+}
+
+#menu .config-menu {
+  position: absolute;
+  bottom: 0;
+  left: 0;
+  right: 0;
+  background-color: @menu-bg-color;
+  margin-top: auto;
+
+  > ul {
+    display: flex;
+    flex-wrap: nowrap;
+    padding: 0;
+
+    > li {
+      > a {
+        padding: 0.5em 0.5em 0.5em 0.75em;
+        line-height: 2.167em;
+        white-space: nowrap;
+        text-decoration: none;
+
+      }
+
+      &:hover .nav-level-1 {
+        display: block;
+      }
+    }
+
+    li.active a:after {
+      display: none;
+    }
+
+    .user-nav-item {
+      width: 100%;
+      overflow: hidden; // necessary for .text-ellipsis of <a>
+
+      > a {
+        overflow: hidden;
+        text-overflow: ellipsis;
+      }
+
+      &:not(.active):hover a,
+      &:not(.active) a:focus {
+        background: @menu-hover-bg-color;
+      }
+    }
+
+    .config-nav-item {
+      line-height: 2;
+      display: flex;
+      align-items: center;
+      position: relative;
+
+      > button {
+        background: none;
+        border: none;
+        display: block;
+        .rounded-corners();
+
+        > .state-badge {
+          position: absolute;
+          pointer-events: none;
+        }
+
+        .icon {
+          opacity: .8;
+          font-size: 1.25em;
+
+          &:before {
+            margin-right: 0;
+          }
+        }
+      }
+
+      &:hover > button {
+        background: fade(@menu-hover-bg-color, 25);
+
+        > .state-badge  {
+          display: none;
+        }
+      }
+
+      button:focus {
+        background: fade(@menu-hover-bg-color, 25);
+      }
+
+      &.active > button {
+        color: @text-color-inverted;
+        background: @icinga-blue;
+      }
+    }
+
+    .state-badge {
+      line-height: 1.2;
+      padding: .25em;
+      font-family: @font-family-wide;
+    }
+  }
+
+  .nav-level-1 li {
+    &.badge-nav-item > a {
+      display: flex;
+      align-items: baseline;
+      width: 100%;
+
+      .state-badge {
+        margin-left: auto;
+      }
+    }
+  }
+
+  .nav-item-logout {
+    color: @color-critical;
+    border-top: 1px solid @gray-lighter;
+  }
+
+  .user-ball {
+    .ball();
+    .ball-size-l();
+    .ball-solid(@icinga-blue);
+
+    // icingadb-web/public/css/common.less: .user-ball
+    font-weight: bold;
+    text-transform: uppercase;
+
+    // compensate border vertically and add space to the right;
+    margin: -1px .2em -2px 0;
+    border: 1px solid @text-color-inverted;
+    font-style: normal;
+    line-height: 1.2;
+  }
+}
+
+#layout:not(.sidebar-collapsed) #menu .config-menu {
+  .user-nav-item {
+    > a {
+      padding-right: 4.75em;
+    }
+
+    &.active.selected + .config-nav-item {
+      > button {
+        color: @text-color-inverted;
+      }
+    }
+  }
+
+  .config-nav-item {
+    position: absolute;
+    right: 2.5em;
+    bottom: 0;
+    top: 0;
+
+    .state-badge {
+      left: -1em;
+      top: 0;
+    }
+  }
+
+  .flyout {
+    bottom: 100%;
+    right: -2em;
+    width: 15em;
+  }
+}
+
+.sidebar-collapsed #menu .config-menu {
+  ul {
+    flex-direction: column;
+
+    .user-ball {
+      margin-left: .25em * 1.5/2;
+      margin-right: .5em + .25em * 1.5/2;
+      width: 2em * 1.5/2 ;
+      height: 2em * 1.5/2;
+      font-size: 2/1.5em;
+      line-height: 1;
+    }
+
+    .config-nav-item {
+      padding-right: 0;
+      margin-bottom: 3em;
+
+      .icon {
+        font-size: 1.5em;
+      }
+
+      button {
+        position: relative;
+        width: 3em;
+        margin: .125em .5em;
+        padding: .5em .75em;
+
+        .state-badge {
+          right: -.25em;
+          bottom: -.25em;
+          font-size: .75em;
+
+          overflow: hidden;
+          text-overflow: ellipsis;
+          max-width: 4em;
+        }
+      }
+    }
+  }
+
+  .flyout {
+    bottom: 0;
+    left: 100%;
+    width: 14em;
+
+    &:before {
+      left: -.6em;
+      bottom: 1em;
+      transform: rotate(135deg);
+    }
+  }
+}
+
+.flyout {
+  display: none;
+  position: absolute;
+  border: 1px solid @gray-lighter;
+  background: @body-bg-color;
+  box-shadow: 0 0 1em 0 rgba(0,0,0,.25);
+  z-index: 1;
+  .rounded-corners();
+
+  a {
+    font-size: 11/12em;
+    padding: 0.364em 0.545em 0.364em 2em;
+    line-height: 2;
+
+    &:hover {
+      text-decoration: none;
+      background: @menu-2ndlvl-highlight-bg-color;
+    }
+  }
+
+  h3 {
+    font-size: 10/12em;
+    color: @text-color-light;
+    letter-spacing: .1px;
+    padding: 0.364em 0.545em 0.364em 0.545em;
+    margin: 0;
+  }
+
+  .flyout-content {
+    overflow: auto;
+    // Partially escape to have ems calculated
+    max-height: calc(~"100vh - " 50/12em);
+    padding: .5em 0;
+    position: relative;
+  }
+
+  // Caret
+  &:before {
+    content: "";
+    display: block;
+    position: absolute;
+    transform: rotate(45deg);
+    background: @body-bg-color;
+    border-bottom: 1px solid @gray-lighter;
+    border-right: 1px solid @gray-lighter;
+    height: 1.1em;
+    width: 1.1em;
+    bottom: -.6em;
+    right: 2.5em;
+  }
+}
+
+// Prevent flyout to vanish on autorefresh
+#layout.config-flyout-open .config-nav-item {
+  .flyout {
+    display: block;
+  }
+
+  > button > .state-badge {
+    display: none;
+  }
+}
+
+#layout.minimal-layout .config-menu {
+  display: none;
+}
+
+#layout.minimal-layout #menu {
+  margin-bottom: 0;
+}
+
+#layout:not(.minimal-layout) #menu .primary-nav {
+  .user-nav-item,
+  .configuration-nav-item,
+  .system-nav-item {
+    display: none;
+  }
+}
diff --git a/public/css/icinga/controls.less b/public/css/icinga/controls.less
new file mode 100644
index 0000000..01cf152
--- /dev/null
+++ b/public/css/icinga/controls.less
@@ -0,0 +1,281 @@
+/*! Icinga Web 2 | (c) 2015 Icinga Development Team | GPLv2+ */
+
+// TODO(el): Rename .filter to .filter-control
+
+// Hide auto sumbit info in controls
+.controls .autosubmit-info {
+  display: none;
+}
+
+
+// Backend selection control in user and group list views
+.backend-selection {
+  float: left;
+
+  .control-label-group, select {
+    display: inline-block;
+  }
+
+  select {
+    margin-left: .5em;
+  }
+}
+
+.controls input.search,
+input.search {
+  .transition(border 0.3s ease);
+  .transition(background-image 0.2s ease);
+
+  background-image: url(../img/icons/search_white.png);
+  background-repeat: no-repeat;
+  background-size: 1em 1em;
+  background-position: .25em center;
+  outline: none;
+  padding-left: 1.5em;
+  width: 20em;
+
+  &:focus {
+    background-image: url(../img/icons/search_icinga_blue.png);
+  }
+
+  &:focus:not([readonly]) {
+    border-color: @icinga-blue;
+  }
+}
+
+@light-mode: {
+  #menu input.search,
+  .controls input.search,
+  input.search {
+    background-image: url(../img/icons/search.png);
+  }
+};
+
+.backend-selection,
+.pagination-control,
+.selection-info,
+.sort-controls-container {
+  margin-bottom: 0.5em;
+}
+
+.filter {
+  // Display filter control on a new line
+  clear: both;
+  margin: .5em 0;
+
+  > a {
+    color: @icinga-blue;
+    padding: .5em;
+    line-height: 1;
+  }
+
+  > a > i {
+    text-align: center;
+     &:before {
+       margin-right: 0;
+     }
+  }
+
+  .form input {
+    padding: @vertical-padding @vertical-padding;
+  }
+}
+
+.controls .filter {
+  form .search {
+    height: 2em;
+  }
+}
+
+.controls .button-link {
+  height: 2em;
+}
+
+.limiter-control > select {
+  margin-left: .5em;
+}
+
+.pagination-control {
+  // Display the pagination-control on a new line
+  clear: both;
+  float: left;
+
+  li {
+    line-height: 1;
+
+    &.active {
+      border-bottom: 2px solid @icinga-blue;
+
+      > a,
+      > a:hover {
+        color: @icinga-blue;
+        /* Compensate border-bottom: 2px */
+        margin-bottom: -2px;
+      }
+
+      > a:hover {
+        background: none;
+        cursor: default;
+        text-decoration: none;
+      }
+    }
+
+    &.disabled {
+      color: @disabled-gray;
+      cursor: no-drop;
+    }
+
+    > a,
+    > span {
+      padding: 0.5em;
+    }
+    > a:hover {
+      background-color: @gray-lighter;
+      text-decoration: none;
+    }
+  }
+
+  .previous-page {
+    padding-left: 0;
+  }
+
+  .next-page {
+    padding-right: 0;
+  }
+}
+
+// Multi-selection info
+.selection-info {
+  float: right;
+  font-size: @font-size-small;
+
+  &:hover {
+    cursor: help;
+  }
+}
+
+.sort-control {
+  label {
+    width: auto;
+    margin-right: 0.5em;
+  }
+
+  select[name=sort] {
+    width: 12em;
+    margin-left: 0;
+  }
+
+  select[name=dir] {
+    width: 8em;
+    margin-left: 0;
+  }
+}
+
+.sort-controls-container {
+  clear: right;
+  float: right;
+  display: flex;
+
+  > *:not(:last-child) {
+    margin-right: .5em;
+  }
+}
+
+.sort-direction-control {
+  margin-left: 0.25em;
+  width: 1em;
+
+  .spinner {
+    line-height: 1;
+  }
+}
+
+.controls .icinga-controls {
+  .control-label-group {
+    margin-top: 0;
+    margin-bottom: 0;
+    line-height: 1.5em;
+    padding-top: 0.25em;
+    padding-bottom: 0.25em;
+  }
+
+  input,
+  select {
+    max-width: 16em;
+  }
+
+  select {
+    padding-right: 1.526em;
+    margin-top: 0;
+    margin-bottom: 0;
+    /* compensate inconsistent select height calculations */
+    line-height: 1;
+    max-height: 2em;
+  }
+}
+
+// Datetime picker colors
+
+// The less variables are essentially the official dark theme for the flatpickr
+@fp-calendarBackground: #3f4458;
+@fp-calendarBorderColor: darken(#3f4458, 50%);
+
+@fp-monthForeground: #fff;
+@fp-monthBackground: #3f4458;
+
+@fp-weekdaysBackground: transparent;
+@fp-weekdaysForeground: #fff;
+
+@fp-dayForeground: fadeout(white, 5%);
+@fp-dayHoverBackground: lighten(@fp-calendarBackground, 25%);
+
+@fp-todayColor: #eee;
+@fp-today_fg_color: #3f4458;
+
+@fp-selectedDayBackground: #80CBC4;
+
+.icinga-datetime-picker .flatpickr-day.today {
+  &:hover,
+  &:focus {
+    color: @fp-today_fg_color;
+  }
+}
+
+@light-mode: {
+  :root {
+    // These are actually the default colors for the flatpickr
+
+    @fp-dayForeground: #393939;
+    @fp-dayHoverBackground: #e6e6e6;
+
+    --fp-calendarBackground: #ffffff;
+    --fp-calendarBorderColor: @fp-dayHoverBackground;
+
+    --fp-arrowColor: fadeout(@fp-dayForeground, 40%);
+    --fp-arrow_hover_color: #f64747;
+
+    --fp-monthForeground: fadeout(black, 10%);
+    --fp-monthBackground: transparent;
+
+    --fp-weekdaysBackground: transparent;
+    --fp-weekdaysForeground: fadeout(black, 46%);
+    --fp-weekNumberForeground: fadeout(@fp-dayForeground, 70%);
+
+    --fp-dayForeground: @fp-dayForeground;
+    --fp-dayHoverBackground: @fp-dayHoverBackground;
+    --fp-disabledDayForeground: fadeout(@fp-dayForeground, 90%);
+    --fp-outsideRangeDayForeground: fadeout(@fp-dayForeground, 70%);
+    --fp-selectedDayBackground: #569FF7;
+    --fp-todayColor: #959ea9;
+
+    --fp-timeHoverBg: lighten(@fp-dayHoverBackground, 3);
+
+    --fp-hoverInvertedBg: fadeout(black, 95%);
+
+    --fp-numChooserSvgFillColor: fadeout(fadeout(black, 10%), 50%);
+    --fp-hoverNumChooserBg: fadeout(black, 90%);
+    --fp-numChooserBorderColor: fadeout(@fp-dayForeground, 85%);
+  }
+};
+
+// Datetime picker colors (end)
diff --git a/public/css/icinga/dev.less b/public/css/icinga/dev.less
new file mode 100644
index 0000000..a1e34be
--- /dev/null
+++ b/public/css/icinga/dev.less
@@ -0,0 +1,10 @@
+/*! Icinga Web 2 | (c) 2015 Icinga Development Team | GPLv2+ */
+
+#fontsize-calc {
+  display: none;
+  width: 1000em;
+  height: 1em;
+  font-size: 1em;
+  position: absolute;
+  top: -2em;
+}
diff --git a/public/css/icinga/forms.less b/public/css/icinga/forms.less
new file mode 100644
index 0000000..00389ea
--- /dev/null
+++ b/public/css/icinga/forms.less
@@ -0,0 +1,596 @@
+/*! Icinga Web 2 | (c) 2019 Icinga Development Team | GPLv2+ */
+
+/**
+ Rules found in here are structured with two layers:
+
+  1) form.icinga-form, that's what defines the general structure of our single/individual forms. It's not
+     supposed to be used for any other forms that are not the only content on the page (e.g. inline-forms)
+  2) .icinga-controls, this defines the design of our controls. Any input that's part of a container with
+     this class gets our design applied
+ */
+
+// General form layout
+
+form.icinga-form {
+  max-width: 70em;
+  width: 80%;
+
+  .control-group {
+    display: flex;
+    flex-wrap: wrap;
+    align-items: flex-start;
+
+    // Negative margin-right because every child gets 1em right but we can't exclude
+    // the last element as it's impossible to identify the last *visible* element
+    margin: 1em -1em 1em 0;
+
+    > fieldset {
+      > .control-group:first-of-type {
+        margin-top: 0;
+      }
+
+      > .control-group:last-of-type {
+        margin-bottom: 0;
+      }
+    }
+  }
+
+  .control-group > :not(.control-label-group) {
+    margin-right: 1em;
+  }
+
+  .form-controls {
+    display: flex;
+    justify-content: flex-end;
+  }
+
+  &.inline {
+    width: auto;
+
+    .control-group {
+      margin: 0;
+      align-items: center;
+
+      > :not(.control-label-group) {
+        margin-right: .5em;
+      }
+
+      &:last-child {
+        margin-right: -.5em;
+      }
+    }
+  }
+}
+
+form.inline {
+  display: inline-block;
+
+  fieldset {
+    display: inline-block;
+    vertical-align: top;
+    border: none;
+  }
+}
+
+// Minimal form layout
+
+#layout.minimal-layout,
+#layout.twocols:not(.wide-layout) {
+  form.icinga-form {
+    &:not(.inline) {
+      width: 100%;
+    }
+
+    .control-label-group {
+      text-align: left;
+      padding-bottom: 0;
+      padding-left: 0;
+      margin-bottom: 0;
+    }
+
+    .toggle-switch ~ .control-info:before {
+      margin-left: 0;
+    }
+
+    .errors {
+      margin: 0;
+    }
+  }
+}
+
+#layout.minimal-layout .icinga-form {
+  .form-controls {
+    input[type="submit"] {
+      width: 100%;
+
+      &:not(:last-child) {
+        margin-bottom: 1em;
+      }
+    }
+  }
+}
+
+// Label styles
+
+form.icinga-form .control-label-group {
+  display: flex;
+  flex-direction: column;
+  justify-content: center;
+  line-height: 1.1em;
+  padding: .5625em .5625em .5625em 0;
+  max-height: 2.5em;
+  text-align: right;
+  width: 14em;
+}
+
+form.icinga-form.inline .control-label-group {
+  width: auto;
+  line-height: 0.857em;
+}
+
+.icinga-controls fieldset {
+  margin: 0;
+  padding: 0;
+  border: none;
+
+  legend {
+    font-weight: bold;
+    font-size: 4/3em;
+    margin: 0.556em 0 0.333em;
+  }
+}
+
+.icinga-controls .control-info {
+  line-height: 2.25em;
+  opacity: .6;
+
+  &:before {
+    margin-right: 0;
+  }
+
+  &:hover {
+    opacity: 1;
+  }
+}
+
+form.icinga-form .control-group .control-info {
+  margin-left: -.5em;
+}
+form.icinga-form .control-group .toggle-switch ~ .control-info {
+  margin-left: 0;
+}
+
+// General input styles
+
+.icinga-controls {
+  input[type="text"],
+  input[type="password"],
+  input[type="number"],
+  input[type="datetime-local"],
+  input[type="date"],
+  input[type="time"],
+  input[type="file"],
+  textarea,
+  select {
+    background-color: @low-sat-blue;
+  }
+}
+
+form.icinga-form {
+  input[type="text"],
+  input[type="password"],
+  input[type="number"],
+  input[type="datetime-local"],
+  input[type="date"],
+  input[type="time"],
+  input[type="file"],
+  .control-group > fieldset,
+  textarea,
+  select {
+    flex: 1 1 auto;
+    width: 0;
+  }
+}
+
+.icinga-controls {
+  input:not([type="radio"]),
+  .toggle-switch,
+  button,
+  select,
+  textarea {
+    border: none;
+    .rounded-corners(.25em);
+    .appearance(none);
+  }
+}
+
+.icinga-controls {
+  input:not([type="checkbox"]),
+  .toggle-switch,
+  select,
+  textarea,
+  button,
+  .toggle-switch {
+    font-size: inherit;
+    padding: @vertical-padding;
+  }
+
+  input[type="radio"] {
+    margin-right: .25em;
+  }
+}
+
+form.icinga-form {
+  .control-group .toggle-switch,
+  .form-controls .toggle-switch {
+    margin-top: 0.5em*0.666666667;
+    margin-bottom: 0.5em*0.666666667;
+  }
+}
+
+form.icinga-form select:not([multiple]) {
+  // Compensate inconsistent select height calculations
+  line-height: 1em;
+  height: 2.25em;
+}
+
+// Remove native dropdown arrow in IE10+
+.icinga-controls select::-ms-expand {
+  display: none;
+  opacity: 0;
+}
+
+.icinga-controls select:not([multiple]) {
+  padding-right: 1.5625em;
+  background-image: url(../img/select-icon.svg);
+  background-repeat: no-repeat;
+  background-position: right center;
+  background-size: contain;
+}
+
+form.icinga-form select {
+  width: 0; // Prevent selects with long option values from exceeding the container
+}
+
+form.inline select {
+  width: auto;
+}
+
+
+// Specific input styles
+
+.link-button {
+  .action-link();
+  // Reset defaults
+  background: none;
+  border: none;
+  display: inline-block;
+  padding: 0;
+
+  text-align: left;
+}
+
+.icinga-controls {
+  input ~ .spinner,
+  button ~ .spinner,
+  select ~ .spinner,
+  textarea ~ .spinner {
+    line-height: normal;
+    padding: .5em 0;
+
+    &:before {
+      vertical-align: middle;
+      margin-left: .5em;
+      opacity: 0.4;
+    }
+  }
+}
+
+/* selects get their spinner specifically placed */
+.icinga-controls select:not([multiple]) + .spinner {
+  height: 2.25em;
+  margin: 0;
+
+  &:before {
+    margin-left: -3.75em;
+  }
+}
+
+form.icinga-form .form-controls {
+  .spinner {
+    order: -1;
+  }
+
+  .btn-primary {
+    order: 99;
+  }
+}
+
+// Button styles
+
+.icinga-controls {
+  button:not([type]),
+  button[type="submit"],
+  input[type="submit"],
+  input[type="submit"].btn-confirm {
+    .button();
+  }
+
+  input[type="submit"].btn-remove {
+    .button(@body-bg-color, @color-critical, @color-critical-accentuated);
+  }
+
+  input[type="submit"].btn-cancel {
+    .button(@body-bg-color, @gray, @black);
+  }
+
+  button.noscript-apply {
+    color: @gray;
+    background-color: @gray-lightest;
+    border-color: @gray;
+    border-width: 1px;
+  }
+
+  button[type="button"] {
+    background-color: @low-sat-blue;
+  }
+}
+
+form.icinga-form {
+  button[type="button"] {
+    line-height: normal;
+  }
+}
+
+form.inline {
+  :not([type="hidden"]) {
+    & ~ button:not([type]),
+    & ~ button[type="submit"],
+    & ~ input[type="submit"],
+    & ~ input[type="submit"].btn-confirm {
+      margin-left: @horizontal-padding;
+    }
+  }
+
+  button.noscript-apply {
+    margin-left: .5em;
+    padding: .1em;
+  }
+}
+
+// Toggle styles
+
+.icinga-controls .toggle-switch {
+  cursor: pointer;
+  position: relative;
+  display: inline-block;
+  height: 1.5em;
+  width: 2.625em;
+}
+
+.icinga-controls .toggle-switch .toggle-slider {
+  position: absolute;
+  left: 0;
+  top: 0;
+
+  display: inline-block;
+  background: @low-sat-blue;
+  border: 1px solid;
+  border-color: @low-sat-blue;
+  box-sizing: content-box;
+  border-radius: 1em;
+  height: 4/3em;
+  width: 8/3em;
+  vertical-align: middle;
+}
+
+.icinga-controls .toggle-switch .toggle-slider:before {
+  position: absolute;
+  top: 0;
+  left: 0;
+
+  background: @text-color-inverted;
+  border-radius: 1em;
+  border: 1px solid;
+  border-color: @low-sat-blue;
+  box-sizing: border-box;
+  content: "";
+  display: block;
+  height: 4/3em;
+  margin-left: 0;
+  width: 4/3em;
+
+  @transition: left .2s ease, margin .2s ease;
+  -webkit-transition: @transition;
+  -moz-transition: @transition;
+  -o-transition: @transition;
+  transition: @transition;
+}
+
+.icinga-controls input[type="checkbox"]:checked + .toggle-switch .toggle-slider {
+  background-color: @icinga-blue;
+  border: 1px solid;
+  border-color: @icinga-blue;
+}
+
+.icinga-controls input[type="checkbox"]:focus + .toggle-switch .toggle-slider {
+  box-shadow: 0 0 0 2px @body-bg-color, 0 0 0 4px @icinga-blue-light;
+}
+
+.icinga-controls input[type="checkbox"]:checked + .toggle-switch .toggle-slider:before {
+  border: 1px solid;
+  border-color: @icinga-blue;
+  left: 100%;
+  margin-left: -4/3em;
+}
+
+// Disabled inputs
+
+.icinga-controls .toggle-switch.disabled {
+  cursor: default;
+
+  & > .toggle-slider {
+    background-color: @gray-light;
+    border-color: @gray-light;
+
+    &:before {
+      background-color: @gray-lighter;
+      border-color: @gray-light;
+    }
+  }
+}
+
+form.icinga-form .control-group.disabled .control-label-group {
+  color: @disabled-gray;
+}
+
+.icinga-controls {
+  input[disabled],
+  select[disabled] {
+    background-color: @gray-lighter;
+    border-color: transparent;
+  }
+}
+
+// Errors and additional information
+
+form.icinga-form {
+  .form-notifications,
+  .form-description {
+    border-radius: .25em;
+    display: flex;
+    list-style: none;
+    align-items: center;
+    margin: 0 0 1em 0;
+    padding: .25em .5em;
+
+    ul {
+      list-style: none;
+      margin: 0;
+      padding: 0 .5em;
+    }
+
+    li {
+      list-style: none;
+    }
+
+    & .form-notification-icon,
+    & .form-description-icon {
+      font-size: 2em;
+      margin-left: .25em;
+      opacity: .4;
+      align-self: flex-start;
+    }
+  }
+
+  .form-notifications {
+    &.info {
+      background-color: @form-info-bg-color;
+    }
+
+    &.error {
+      background-color: @form-error-bg-color;
+    }
+
+    &.warning {
+      background-color: @form-warning-bg-color;
+    }
+  }
+
+  .form-description {
+    background-color: @light-text-bg-color;
+  }
+
+  .errors {
+    list-style: none;
+    display: block;
+    width: 100%;
+    margin: 0 0 0 15em;
+    padding: 0;
+
+    & > li {
+      margin: 0.5em;
+      color: #f56;
+    }
+  }
+}
+
+form.icinga-form .form-info {
+  color: @text-color-light;
+  font-size: @font-size-small;
+  list-style: none;
+  padding-left: 0;
+}
+
+// Placeholder styles
+
+.icinga-controls {
+  input::placeholder {
+    color: @disabled-gray;
+    font-style: italic;
+    opacity: 1;
+  }
+
+  input:-ms-input-placeholder {
+    color: @disabled-gray;
+    font-style: italic;
+    opacity: 1;
+  }
+}
+
+// Specific form styles
+
+.search.inline {
+  display: inline-block;
+}
+
+/* Flyover form styles */
+
+.flyover-content form:not(.inline):not([role="search"]) {
+  width: auto;
+}
+
+.flyover-content .control-label-group {
+  text-align: left;
+}
+
+.theme-mode-input {
+  display: none;
+
+  &:checked + img {
+    border-color: @icinga-blue;
+    border-radius: .25em;
+  }
+
+  & + img {
+    margin: 0 auto;
+    border: .25em solid transparent;
+    display: block;
+    width: 6em;
+    overflow: hidden;
+    box-shadow: 0 0 .25em 0 rgba(0,0,0,.4);
+  }
+
+  &[disabled] ~ img,
+  &[disabled] ~ span {
+    opacity: .25;
+  }
+
+  & ~ span {
+    display: block;
+    text-align: center;
+  }
+}
+
+#layout.minimal-layout .icinga-form {
+  .theme-mode {
+    .control-label-group {
+      width: 100%;
+      margin-bottom: .5em;
+    }
+
+    label:first-of-type {
+      margin-left: auto;
+    }
+  }
+}
diff --git a/public/css/icinga/grid.less b/public/css/icinga/grid.less
new file mode 100644
index 0000000..e061bc8
--- /dev/null
+++ b/public/css/icinga/grid.less
@@ -0,0 +1,47 @@
+/*! Icinga Web 2 | (c) 2015 Icinga Development Team | GPLv2+ */
+
+.grid {
+  .clearfix();
+}
+
+[class^="col-"],
+[class*=" col-"] {
+  float: left;
+  // Fix that empty columns don't consume their width
+  min-height: 1px;
+}
+
+.controls {
+  [class^="col-"],
+  [class*=" col-"] {
+    padding: @vertical-padding / 2 0;
+  }
+}
+
+.col-1-2 {
+  width: 50%;
+}
+
+.col-1-3 {
+  width: 33.33%;
+}
+
+.col-2-3 {
+  width: 66.66%;
+}
+
+.col-3-3 {
+  width: 100%;
+}
+
+// TODO(el): Set proper breakpoints
+#layout.twocols,
+#layout.compact-layout,
+#layout.minimal-layout,
+#layout.poor-layout {
+  [class^="col-"],
+  [class*=" col-"] {
+    float: none;
+    width: 100%;
+  }
+}
diff --git a/public/css/icinga/health.less b/public/css/icinga/health.less
new file mode 100644
index 0000000..50cc11a
--- /dev/null
+++ b/public/css/icinga/health.less
@@ -0,0 +1,69 @@
+// Style
+
+.app-health {
+  header {
+    color: @text-color-light;
+
+    span {
+      color: @text-color;
+    }
+  }
+
+  span {
+    &.state-ok {
+      background-color: @color-ok;
+    }
+
+    &.state-warning {
+      background-color: @color-warning;
+    }
+
+    &.state-critical {
+      background-color: @color-critical;
+    }
+
+    &.state-unknown {
+      background-color: @color-unknown;
+    }
+  }
+
+  a {
+    font-weight: bold;
+  }
+
+  tbody tr, tr.active {
+    border: none;
+  }
+
+  tr:not(:last-child) td {
+    border: 0 solid;
+    border-color: @gray-light;
+    border-bottom-width: 1px;
+  }
+
+  section {
+    color: @text-color-light;
+    font-family: @font-family-fixed;
+  }
+}
+
+// Layout
+
+.app-health {
+  th {
+    width: 2.5em;
+    padding: .5em 1em 0 .5em;
+    vertical-align: top;
+  }
+
+  td {
+    padding: .5em 0;
+  }
+
+  section {
+    margin-top: .25em;
+    height: 3em;
+    overflow: hidden;
+    word-break: break-word;
+  }
+}
diff --git a/public/css/icinga/layout-structure.less b/public/css/icinga/layout-structure.less
new file mode 100644
index 0000000..b1ca8e6
--- /dev/null
+++ b/public/css/icinga/layout-structure.less
@@ -0,0 +1,167 @@
+/*! Icinga Web 2 | (c) 2014 Icinga Development Team | GPLv2+ */
+
+html {
+  height: 100%;
+  font-family: 'default-layout';
+}
+
+body {
+  height: 100%;
+  overflow: hidden;
+}
+
+#layout {
+  height: 100%;
+  display: flex;
+  flex-direction: column;
+}
+
+#content-wrapper {
+  flex: 1 1 auto;
+  display: flex;
+  height: 0;
+
+}
+
+#sidebar {
+  width: 16em;
+  display: flex;
+  flex-direction: column;
+  position: relative;
+  z-index: 2;
+}
+
+#layout:not(.minimal-layout) #sidebar:after {
+  content: "";
+  display: block;
+  position: absolute;
+  top: 0;
+  right: 0;
+  bottom: 0;
+  width: 1em;
+  background: linear-gradient(to left, rgba(0,0,0,.1), rgba(0,0,0,0));
+  z-index: 0;
+  pointer-events: none;
+}
+
+#main {
+  flex: 1;
+  display: flex;
+  z-index: 1;
+}
+
+.iframe {
+  #header, #sidebar {
+    display: none;
+  }
+}
+
+#responsive-debug {
+  font-size: 0.9em;
+  font-family: Courier new, monospace;
+  padding: 0.5em;
+  width: 25em;
+  color: white;
+  height: 10em;
+  display: none;
+  position: fixed;
+  bottom: 0.5em;
+  right: 2em;
+  overflow: hidden;
+  z-index: 1000;
+  background: #333;
+  border-radius: 0.5em;
+  opacity: 0.9;
+}
+
+#layout.minimal-layout #responsive-debug {
+  font-size: 0.6em;
+}
+
+#layout.poor-layout #responsive-debug {
+  font-size: 0.7em;
+}
+
+#layout.compact-layout #responsive-debug {
+  font-size: 0.8em;
+}
+
+#layout.wide-layout #responsive-debug {
+  font-size: 1em;
+}
+
+/** Fullscreen layout **/
+#layout.fullscreen-layout {
+  #sidebar {
+    display: none;
+  }
+
+  .container .controls {
+    padding: 0;
+  }
+
+  .controls > ul.tabs {
+    margin-top: 0;
+    height: 1.5em;
+    font-size: 0.75em;
+    padding: 0.2em 0 0;
+  }
+
+  .controls > ul.tabs > li > a {
+    line-height: 1.5em;
+  }
+}
+
+.controls-separated,
+.container .controls.separated {
+    box-shadow: 0 3px 4px -4px rgba(0, 0, 0, 0.2);
+//  border-bottom: 1px solid @gray-lightest;
+    padding-bottom: @horizontal-padding / 2
+}
+
+.hbox {
+  display: inline-block;
+}
+
+.hbox-item {
+  display: inline-block;
+  vertical-align: top;
+  margin-top: 0.5em;
+  margin-bottom: 0.25em;
+  margin-left: 1em;
+  margin-right: 1em;
+}
+
+.hbox-spacer {
+  display: inline-block;
+  vertical-align: top;
+  width: 2em;
+}
+
+/*
+ * Class to hide content from users but available for screen reader
+ * Based on: https://cloudfour.com/thinks/see-no-evil-hidden-content-and-accessibility/
+ */
+.sr-only {
+  border: 0;
+  clip: rect(0 0 0 0);
+  clip-path: polygon(0px 0px, 0px 0px, 0px 0px);
+  -webkit-clip-path: polygon(0px 0px, 0px 0px, 0px 0px);
+  height: 1px;
+  margin: -1px;
+  overflow: hidden;
+  padding: 0;
+  position: fixed; // absolute causes view port glitches in chrome (#4310)
+  width: 1px;
+  white-space: nowrap;
+}
+
+// Hide non-javascript elements if javascript is enabled
+html.js *.no-js {
+  .sr-only;
+}
+
+// Hide javascript elements if javascript is disabled
+html.no-js *.js {
+  .sr-only;
+}
diff --git a/public/css/icinga/layout.less b/public/css/icinga/layout.less
new file mode 100644
index 0000000..c37da79
--- /dev/null
+++ b/public/css/icinga/layout.less
@@ -0,0 +1,379 @@
+/*! Icinga Web 2 | (c) 2015 Icinga Development Team | GPLv2+ */
+
+#footer {
+  bottom: 0;
+  right: 0;
+  left: 12em;
+  position: fixed;
+  z-index: 999;
+}
+
+#layout.minimal-layout #footer {
+  left: 0;
+}
+
+.sidebar-collapsed #footer {
+  left: 3em;
+}
+
+#guest-error {
+  background-color: @icinga-blue;
+  height: 100%;
+  overflow: auto;
+}
+
+#guest-error #icinga-logo {
+  .fadein();
+}
+
+#guest-error-message {
+  .fadein();
+  color: @body-bg-color;
+  font-size: 2em;
+}
+
+#header,
+#login,
+#content-wrapper {
+  font-size: @font-size;
+  line-height: @line-height;
+}
+
+#header-logo-container {
+  background: @menu-bg-color;
+  height: 6em;
+  padding: 1.25em;
+  width: 16em;
+}
+
+#header-logo,
+#mobile-menu-logo {
+  background-image: url('../img/icinga-logo.svg');
+  background-position: center center;
+  background-repeat: no-repeat;
+  background-size: contain;
+  display: block;
+  height: 100%;
+  width: 100%;
+
+  &:focus {
+    opacity: .6;
+    outline: none;
+  }
+}
+
+#mobile-menu-logo {
+  width: 50%;
+  float: left;
+  height: 2em;
+  margin-top: .25em;
+  background-position: .75em center;
+}
+
+#mobile-menu-toggle .icon-cancel {
+  display: none;
+}
+
+#icinga-logo {
+  background-image: url('../img/icinga-logo-big.svg');
+  background-position: center bottom;
+  background-repeat: no-repeat;
+  background-size: contain; // Does not work in IE < 10
+  height: 177px;
+  margin-bottom: 2em;
+  width: 100%;
+
+  &.invert {
+    background-image: url('../img/icinga-logo-big-dark.svg');
+  }
+}
+
+#layout {
+  background-color: @body-bg-color;
+  color: @text-color;
+  font-family: @font-family;
+}
+
+#login {
+  overflow: auto;
+}
+
+@gutter: 1em;
+
+// x-column-layout
+#main {
+  .clearfix();
+
+  & > .container {
+    width: 0;
+    overflow: auto;
+    flex: 1 1 auto;
+    display: flex;
+    flex-direction: column;
+
+    &:empty {
+      display: none;
+    }
+
+    & > .content {
+      flex: 1 1 auto;
+      overflow: auto;
+    }
+
+    & > .controls {
+      > .tabs {
+        // Remove gutter for tabs
+        margin-left: -1 * @gutter;
+        margin-right: -1 * @gutter;
+        height: 2.5em;
+      }
+
+      .tabs:first-child:not(:last-child) {
+        margin-bottom: .5em;
+      }
+    }
+  }
+}
+
+// Not part of the above to relax specificity and to allow modules adjust this
+:not(.dashboard) > .container {
+  & > .controls {
+    padding-left: @gutter;
+    padding-right: @gutter;
+  }
+
+  & > .content {
+    padding: @gutter;
+  }
+}
+
+// Mobile menu
+#layout.minimal-layout #sidebar {
+  background-color: @menu-bg-color;
+}
+
+#mobile-menu-toggle {
+  color: @menu-color;
+  text-align: right;
+
+  > button {
+    background: none;
+    border: none;
+    font-size: 2em;
+    padding: 0 .5em;
+    line-height: 2;
+
+    -webkit-appearance: none;
+       -moz-appearance: none;
+        -ms-appearance: none;
+            appearance: none;
+  }
+
+  i:before {
+    margin-right: 0;
+  }
+}
+
+.container,
+.error-message,
+.modal-window {
+  // Don't outline containers and error messages when focused because they receive focus for accessibility only
+  // programmatically
+  outline: none;
+}
+
+.controls {
+  > .tabs {
+    overflow: hidden;
+  }
+}
+
+// Dashboard grid
+
+.dashboard {
+  letter-spacing: -0.417em;
+
+  > .container {
+    display: inline-block;
+    letter-spacing: normal;
+    vertical-align: top;
+    // Column width controlled by #layout
+    width: 100%;
+
+    &:last-of-type {
+      // See reponsive.less for gutters
+      padding-right: 0;
+    }
+  }
+}
+
+// Notification styles
+
+#notifications {
+  // Reset defaults
+  list-style-type: none;
+  margin: 0;
+  padding: 0;
+}
+
+#notifications > li {
+  color: @text-color;
+  display: block;
+  line-height: 2.5em;
+  border-left: .5em solid @gray-light;
+  background: @body-bg-color;
+  margin-bottom: 1px;
+  box-shadow: 0 0 1em 0 rgba(0,0,0,0.25);
+
+  .icon {
+    padding: .5em;
+    width: 3em;
+    text-align: center;
+  }
+
+  &:hover {
+    cursor: pointer;
+  }
+
+  &.error {
+    border-color: @color-notification-error;
+    background: @color-notification-error;
+    color: @text-color-on-icinga-blue;
+
+    .icon {
+      color: @text-color-on-icinga-blue;
+    }
+  }
+
+  &.info {
+    border-color: @color-notification-info;
+
+    .icon {
+      color: @color-notification-info;
+    }
+  }
+
+  &.success {
+    border-color: @color-notification-success;
+
+    .icon {
+      color: @color-notification-success;
+    }
+  }
+
+  &.warning {
+    border-color: @color-notification-warning;
+    background: @color-notification-warning;
+    color: @text-color-inverted;
+
+    .icon {
+      color: @text-color-inverted;
+    }
+  }
+}
+
+// Collapsed sidebar
+#layout:not(.minimal-layout).sidebar-collapsed {
+  #header-logo-container {
+    height: 3em;
+    padding: 0.25em 0.125em;
+    width: 4em;
+  }
+
+  #header-logo {
+    background-image: url('../img/icinga-logo-compact.svg');
+  }
+
+  #sidebar {
+    width: 4em;
+  }
+
+  #open-sidebar {
+    display: inline;
+  }
+
+  #close-sidebar {
+    display: none;
+  }
+
+  #menu {
+    .nav-level-1 {
+      > .badge-nav-item > a {
+        position: relative;
+
+        > .badge {
+          position: absolute;
+          right: .5em;
+          bottom: .25em;
+          font-size: 75%;
+          overflow: hidden;
+          text-overflow: ellipsis;
+          max-width: 4em;
+        }
+      }
+
+      > .nav-item.active > a > .badge {
+        display: unset;
+      }
+    }
+
+    img.icon {
+      margin: 0 1.25em -.25em 0.25em;
+      font-size: 1.5em;
+    }
+
+    .nav-item {
+      white-space: nowrap;
+    }
+
+    .nav-item.no-icon > a {
+      padding-left: .75em;
+    }
+
+    .nav-level-1 > .nav-item i {
+      font-size: 1.5em;
+      margin-right: .5em;
+    }
+
+    > .search-control {
+      height: 3.333em;
+    }
+  }
+
+  #search {
+    padding-left: 3.75em;
+  }
+
+  #search:focus {
+    background-color: @menu-bg-color;
+    border-radius: 0 .25em .25em 0;
+    box-shadow: 0 0 .25em 0 rgba(0, 0, 0, .2);
+    color: @menu-color;
+    width: 20em;
+    position: fixed;
+    z-index: 1;
+  }
+
+  .search-input {
+    font-size: 1.25em;
+    padding-right: .625em;
+  }
+
+  .search-reset {
+    display: none;
+  }
+
+  .skip-links {
+    a, button {
+      width: 20em;
+    }
+  }
+}
+
+@light-mode: {
+  #header-logo,
+  #mobile-menu-logo,
+  #about .icinga-logo {
+    filter: brightness(0.415) sepia(1) ~"saturate(0.1)" hue-rotate(144deg);
+  }
+};
diff --git a/public/css/icinga/login-orbs.less b/public/css/icinga/login-orbs.less
new file mode 100644
index 0000000..b0426dd
--- /dev/null
+++ b/public/css/icinga/login-orbs.less
@@ -0,0 +1,104 @@
+/*! Icinga Web 2 | (c) 2021 Icinga GmbH | GPLv2+ */
+
+#login {
+  background-image: none;
+
+  .login-form {
+    background: none;
+    box-shadow: none;
+  }
+}
+
+.orb {
+  display: block;
+  position: absolute;
+  pointer-events: none;
+  transform-origin: center center;
+}
+
+.orb img {
+  height: auto;
+  width: 100%;
+}
+
+#orb-analytics {
+  top: -19%;
+  width: 25%;
+  left: 22.5%;
+  z-index: 0;
+}
+
+#orb-analytics img {
+  opacity: .2;
+}
+
+#orb-automation {
+  bottom: -6%;
+  width: 60%;
+  left: 7%;
+  z-index: 0;
+  margin-left: -30%;
+  margin-bottom: -30%;
+}
+
+#orb-automation img {
+  opacity: .75;
+}
+
+#orb-cloud {
+  top: -6%;
+  width: 25%;
+  right: 4%;
+  z-index: 0;
+  margin-right: -12.5%;
+  margin-top: -12.5%;
+}
+
+#orb-cloud img {
+  opacity: .4;
+}
+
+#orb-notifactions {
+  top: 7%;
+  right: 46%;
+  width: 10%;
+  margin: -5%;
+}
+
+#orb-notifactions img {
+  opacity: .5;
+}
+
+#orb-metrics {
+  left: 5%;
+  top: 20%;
+  width: 35%;
+  margin: -17.5%;
+}
+
+#orb-metrics img {
+  opacity: .5;
+}
+
+#orb-icinga {
+  left: 50%;
+  top: 50%;
+  margin-top: -38.5em;
+  margin-left: -38em;
+  width: 75em;
+  z-index: 0;
+}
+
+#orb-icinga img {
+  opacity: .8;
+}
+
+#orb-infrastructure {
+  top: -36%;
+  left: -15%;
+  width: 30%;
+}
+
+#orb-infrastructure img {
+  opacity: .6;
+}
diff --git a/public/css/icinga/login.less b/public/css/icinga/login.less
new file mode 100644
index 0000000..b37dbd8
--- /dev/null
+++ b/public/css/icinga/login.less
@@ -0,0 +1,183 @@
+/*! Icinga Web 2 | (c) 2013 Icinga Development Team | GPLv2+ */
+
+// Login page styles
+
+#login {
+  height: 100%;
+  background-color: @menu-bg-color;
+  background-image: url(../img/icingaweb2-background-orbs.jpg);
+  background-repeat:  no-repeat;
+  background-size: cover;
+  text-align: center;
+  display: flex;
+  justify-content: center;
+  align-items: center;
+
+  .login-form {
+    width: 36em;
+    position: relative;
+    z-index: 10;
+    padding: 2em 6em;
+    background-color: @login-box-background;
+    .box-shadow(0, 0, 1em, 1em, @login-box-background);
+  }
+
+  #icinga-logo {
+    width: 100%;
+    max-width: 18em;
+    height: auto;
+    margin: 0 auto 2em auto;
+
+    &:after {
+      content: "";
+      display: block;
+      width: 100%;
+      padding-bottom: 35%;
+    }
+  }
+
+  .errors,
+  .form-errors {
+    list-style-type: none;
+    padding: 0.5em;
+  }
+
+  .errors {
+    background-color: @color-critical;
+    color: white;
+  }
+
+  .form-errors {
+    margin-top: 0;
+    padding: 0;
+  }
+
+  .form-errors,
+  .control-group {
+    &:not(:last-child) {
+      margin-bottom: 1em;
+    }
+  }
+
+  input[type=password],
+  input[type=text] {
+    display: block;
+    height: 2.5em;
+    margin: 0;
+    transition: none;
+    width: 100%;
+
+    &:focus {
+      .rounded-corners(3px);
+      border-radius: 0;
+      padding-bottom: 3px;
+    }
+  }
+
+  input[type="submit"]:focus {
+    outline: 3px solid;
+    outline-color: @icinga-blue-light;
+  }
+
+  input[type=submit] {
+    border-radius: .25em;
+    background: @icinga-secondary;
+    color: white;
+    border: none;
+    height: 2.5em;
+    margin: 0;
+    width: 100%;
+
+    &:hover {
+      background-color: @icinga-secondary-dark;
+    }
+  }
+
+  .config-note {
+    background-color: @color-critical;
+    margin: 0 auto 2em auto; // Center horizontally w/ bottom margin
+    max-width: 50%;
+    min-width: 24em;
+    padding: 1em;
+
+    a {
+      color: @text-color-inverted;
+      font-weight: bold;
+    }
+  }
+
+  .remember-me-box {
+    display: flex;
+    align-items: flex-start;
+
+    .toggle-switch {
+      margin-right: 1em;
+    }
+
+    .control-info {
+      line-height: 1.5;
+      margin-left: .5em;
+    }
+  }
+}
+
+#social {
+  position: fixed;
+  right: 1em; bottom: 1em;
+  letter-spacing: -.417em;
+  margin: 0;
+
+  > * {
+    letter-spacing: normal;
+  }
+
+  > li {
+    display: inline-block;
+
+    a {
+      display: block;
+      text-decoration: none;
+      -webkit-transform: scale(1, 1);
+      -moz-transform: scale(1, 1);
+      -ms-transform: scale(1, 1);
+      transform: scale(1, 1);
+    }
+
+    i {
+      font-size: 3em;
+      color: white;
+      text-shadow: 0 0 .5em #01507B;
+    }
+  }
+
+  > li a:hover {
+    -webkit-transform: scale(1.2, 1.2);
+    -moz-transform: scale(1.2, 1.2);
+    -ms-transform: scale(1.2, 1.2);
+    transform: scale(1.2, 1.2);
+  }
+
+  li:not(:last-child) {
+    margin-right: 2em;
+  }
+}
+
+#login-footer {
+  padding: .5em 0;
+
+  p {
+    margin-bottom: 0;
+  }
+
+  a {
+    text-decoration: underline;
+
+    &:hover {
+      opacity: .8;
+    }
+  }
+}
+
+.orb {
+  display: none;
+}
diff --git a/public/css/icinga/main.less b/public/css/icinga/main.less
new file mode 100644
index 0000000..bfe97d5
--- /dev/null
+++ b/public/css/icinga/main.less
@@ -0,0 +1,452 @@
+/*! Icinga Web 2 | (c) 2014 Icinga Development Team | GPLv2+ */
+
+// Url for static ipl assets
+@iplWebAssets: "../lib/icinga/icinga-php-library";
+
+// Width for the name column--th--of name-value-table
+@name-value-table-name-width: 38/3em;
+
+.action-link {
+  color: @icinga-blue;
+}
+
+.error-message {
+  font-weight: @font-weight-bold;
+}
+
+.error-reason {
+  margin-top: 4em;
+}
+
+.large-icon {
+  font-size: 200%;
+}
+
+.content-centered {
+  margin: 0 auto;
+  text-align: center;
+}
+
+.icon-col {
+  text-align: center;
+  width: 1em;
+}
+
+.preformatted {
+  font-family: @font-family-fixed;
+  white-space: pre-wrap;
+}
+
+.markdown {
+  > * {
+    margin-left: 0;
+    margin-right: 0;
+  }
+
+  > *:last-child {
+    margin-bottom: 0;
+  }
+
+  img {
+    max-width: 100%;
+    height: auto;
+  }
+
+  a {
+    border-bottom: 1px @text-color-light dotted;
+
+    &:hover, &:focus {
+      border-bottom: 1px @text-color solid;
+      text-decoration: none;
+    }
+
+    img {
+      max-width: 32em;
+    }
+
+    &.with-thumbnail {
+      img {
+        padding: 1px;
+      }
+
+      &:hover, &:focus {
+        img {
+          padding: 0;
+        }
+      }
+    }
+  }
+
+  table {
+    border-collapse: collapse;
+
+    th {
+      text-align: left;
+      background-color: @gray-lighter;
+    }
+
+    &, th, td {
+      border: 1px solid @gray-light;
+    }
+  }
+}
+
+.no-wrap {
+  white-space: nowrap;
+}
+
+.pull-right {
+  float: right;
+}
+
+.text-right {
+  text-align: right;
+}
+
+.user-avatar {
+  height: 16px;
+  width: 16px;
+}
+
+.v-center {
+  > * {
+    vertical-align: middle;
+  }
+}
+
+.section {
+  margin-bottom: 2em;
+}
+
+a:hover > .icon-cancel {
+  color: @color-critical;
+}
+
+.icon-stateful {
+  .fg-stateful();
+}
+
+// Link styles
+
+.button-link {
+  .action-link();
+  .rounded-corners(3px);
+
+  background: @low-sat-blue;
+  display: inline-block;
+  padding: 0.25em 0.5em;
+
+  &:hover {
+    background: @low-sat-blue-dark;
+    text-decoration: none;
+  }
+}
+
+// List styles
+
+.comment-list {
+  margin: 0;
+
+  > dt {
+    border-bottom: 1px solid @gray-lighter;
+    margin-bottom: 0.25em;
+
+    &:hover {
+      background-color: @gray-lightest;
+
+      > .remove-action button:not(.spinner.active) {
+        visibility: visible;
+      }
+    }
+
+    > .remove-action button:not(.spinner.active) {
+      visibility: hidden;
+    }
+  }
+
+  > dd {
+    margin: 0 0 1em 0;
+  }
+}
+
+.comment-time {
+  color: @text-color-light;
+  font-size: @font-size-small;
+}
+
+.name-value-list {
+  > dd {
+    // Reset default margin
+    margin: 0;
+  }
+
+  > dt {
+    color: @text-color-light;
+    font-size: @font-size-small;
+  }
+}
+
+// Table styles
+
+.common-table {
+  width: 100%;
+
+  td, th {
+    padding-top: 1em;
+  }
+
+  td {
+    padding-bottom: 1em;
+  }
+
+  th {
+    text-align: left;
+    padding-bottom: 0.5em;
+  }
+
+  thead {
+    border-bottom: 1px solid @gray-light;
+  }
+
+  tbody tr {
+    border-bottom: 1px solid @gray-lightest;
+    border-left: 5px solid transparent;
+
+    &:last-child {
+      border-bottom: none;
+    }
+  }
+
+  tr[href].active {
+    background-color: @tr-active-color;
+    border-left-color: @icinga-blue;
+  }
+
+  tr[href]:hover {
+    background-color: @tr-hover-color;
+    cursor: pointer;
+  }
+}
+
+.name-value-table {
+  width: 100%;
+}
+
+.name-value-table > caption {
+  margin-top: .5em;
+  text-align: left;
+  font-weight: bold;
+}
+
+.name-value-table > tbody > tr > th {
+  color: @text-color-light;
+  // Reset default font-weight
+  font-weight: normal;
+  padding-left: 0;
+  text-align: left;
+  vertical-align: top;
+  width: @name-value-table-name-width;
+}
+
+/* Styles for centering content of unknown width and height both horizontally and vertically
+ *
+ * Example markup:
+ * <div class="centered-ghost">
+ *     <div class="centered-content">
+ *         <p>I'm centered.</p>
+ *     </div>
+ * </div>
+ */
+
+.centered-content {
+  display: inline-block;
+  vertical-align: middle;
+}
+
+.centered-ghost {
+  height: 100%;
+  text-align: center;
+  letter-spacing: -0.417em; // Remove gap between content and ghost
+}
+
+.centered-ghost > * {
+  letter-spacing: normal;
+}
+
+.centered-ghost:after {
+  content: '';
+  display: inline-block;
+  height: 100%;
+  vertical-align: middle;
+}
+
+// Responsive iFrames
+
+.iframe-container {
+  position: relative;
+  height: 0;
+  overflow: hidden;
+  padding-bottom: 75%;
+  width: 100%;
+
+  & > iframe {
+    position: absolute;
+    left: 0;
+    top: 0;
+    height: 100%;
+    width: 100%;
+  }
+}
+
+// Collapsible Control
+#collapsible-control-ghost {
+  display: none;
+}
+
+.collapsible + .collapsible-control {
+  position: relative;
+  z-index: 1;
+
+  button {
+    .rounded-corners(50%);
+
+    float: right;
+    width: 2em;
+    height: 2em;
+    padding: 0;
+    margin-top: -1em;
+    margin-right: .25em;
+
+    background: @gray-lighter;
+    color: @gray;
+    border: none;
+    -webkit-box-shadow: 0 0 1/3em rgba(0,0,0,.3);
+    -moz-box-shadow: 0 0 1/3em rgba(0,0,0,.3);
+    box-shadow: 0 0 1/3em rgba(0,0,0,.3);
+
+    &:hover {
+      background: @gray-light;
+    }
+  }
+
+  button i:before {
+    margin-right: 0;
+  }
+}
+
+.collapsible[data-can-collapse]:not(.collapsed) + .collapsible-control button,
+.collapsible[data-can-collapse]:not(.collapsed) > .collapsible-control,
+details.collapsible[open] + .collapsible-control button,
+details.collapsible[open] > .collapsible-control {
+  i.expand-icon {
+    display: none;
+  }
+
+  i.collapse-icon {
+    display: inline;
+  }
+}
+
+.collapsible.collapsed + .collapsible-control button,
+.collapsible.collapsed > .collapsible-control,
+details.collapsible:not([open]) + .collapsible-control button,
+details.collapsible:not([open]) > .collapsible-control {
+  i.expand-icon {
+    display: inline;
+  }
+
+  i.collapse-icon {
+    display: none;
+  }
+}
+
+// Collapsibles
+
+.collapsible.collapsed:not(details) {
+  overflow: hidden;
+}
+
+.collapsible.collapsed:not([data-toggle-element], details) {
+  position: relative;
+
+  &:after {
+    content: "";
+    display: block;
+    height: 2em;
+    background: linear-gradient(@body-bg-color-transparent, @body-bg-color);
+    position: absolute;
+    bottom: 0;
+    left: 0;
+    right: 0;
+    z-index: 1;
+
+    opacity: 1;
+    transition: opacity 2s 1s linear;
+  }
+}
+
+.role-memberships {
+  letter-spacing: -0.417em;
+  list-style-type: none;
+  margin: 0;
+  padding: 0;
+
+  > li {
+    display: inline-block;
+    letter-spacing: normal;
+    margin: 0;
+    padding: 0 0.25em 0 0;
+
+    &:last-child {
+      padding-right: 0;
+    }
+  }
+}
+
+.module-dependencies {
+  .unmet-dependencies {
+    background-color: @color-warning;
+    color: @text-color-on-icinga-blue;
+    padding: .25em .5em;
+    margin-left: -.5em;
+  }
+
+  .name-value-table {
+    > caption {
+      font-weight: normal;
+      color: @text-color-light;
+    }
+
+    > tbody > tr > th {
+      font-weight: bold;
+      color: @text-color;
+    }
+
+    .missing {
+      color: @color-critical;
+      font-weight: bold;
+    }
+
+    td {
+      white-space: nowrap;
+
+      &.or-separator {
+        width: 100%;
+        transform: translate(0, 50%);
+        padding-left: 3em;
+
+        &::before {
+          content: "";
+          position: absolute;
+          height: 1.5em;
+          width: 1.5em;
+          left: 0.5em;
+          border-top: 3px solid @gray;
+          border-right: 3px solid @gray;
+          border-top-right-radius: .50em;
+          transform: rotate(45deg);
+        }
+      }
+    }
+  }
+}
diff --git a/public/css/icinga/menu.less b/public/css/icinga/menu.less
new file mode 100644
index 0000000..98650a2
--- /dev/null
+++ b/public/css/icinga/menu.less
@@ -0,0 +1,554 @@
+/*! Icinga Web 2 | (c) 2014 Icinga Development Team | GPLv2+ */
+
+#menu [class^="icon-"],
+#menu [class*=" icon-"] {
+  &:before {
+    width: 1.5em;
+  }
+}
+
+@icon-width: 1.7em; // 1.5em width + 0.2em right margin
+
+#menu {
+  background-color: @menu-bg-color;
+  width: 100%;
+  flex: 1;
+  overflow: auto;
+  overflow-x: hidden;
+}
+
+#menu .nav-item {
+  vertical-align: middle;
+
+  > a {
+    position: relative;
+
+    &:focus {
+      outline: none;
+    }
+
+    &:hover {
+      text-decoration: none;
+    }
+  }
+}
+
+#layout:not(.sidebar-collapsed) #menu .nav-item > a:first-of-type {
+  // Respect overflowing content
+  overflow: hidden;
+  text-overflow: ellipsis;
+  white-space: nowrap;
+}
+
+#layout:not(.minimal-layout).sidebar-collapsed #menu .nav-level-1 > .nav-item {
+  overflow: hidden;
+}
+
+#layout:not(.minimal-layout).sidebar-collapsed #menu .nav-level-1 > .nav-item > a {
+  // Clip overflowing content
+  overflow: hidden;
+  width: 4em;
+}
+
+#menu .nav-level-1 > .nav-item {
+  line-height: 2.167em; // 26 px
+  color: @menu-color;
+
+  &.active {
+    color: @menu-active-color;
+
+    > a > .badge {
+      display: none;
+    }
+
+    background-color: @menu-active-bg-color;
+  }
+
+  &.no-icon > a {
+    padding-left: @icon-width + .75em;
+  }
+
+  > a {
+    padding: 0.5em 0.5em 0.5em .75em;
+  }
+
+  &.active:not(.selected) > a:focus,
+  &.active:not(.selected) > a:hover {
+    background-color: @menu-active-hover-bg-color;
+  }
+
+  &:not(.selected) > a:hover,
+  &:not(.selected) > a:focus {
+    background-color: @menu-hover-bg-color;
+  }
+
+  // Balance icon weight for non active menu items
+  &:not(.active) > a > i {
+    opacity: .8;
+  }
+
+  & > a > .icon-letter:before {
+    content: attr(data-letter);
+    font-family: @font-family;
+    font-weight: 800;
+    text-transform: uppercase;
+  }
+}
+
+#menu ul:not(.nav-level-2) > .selected > a {
+  background-color: @menu-highlight-color;
+  color: @text-color-inverted;
+
+  &:focus {
+    background-color: @menu-highlight-hover-bg-color;
+  }
+
+  &:after {
+    .transform(rotate(45deg));
+
+    position: absolute;
+    right: -.75em;
+
+    background-color: @body-bg-color;
+    box-shadow: 0 0 1em 0 rgba(0,0,0,0.6);
+    content: "";
+    display: block;
+    height: 1.25em;
+    margin-top: -1.75em;
+    width: 1.25em;
+  }
+}
+
+#menu .nav-level-2 > .nav-item {
+  // Collapse menu by default
+  display: none;
+  line-height: 1.833em; // 22px
+
+  > a {
+    color: @menu-2ndlvl-color;
+    font-size: @font-size-small;
+    padding: 0.364em 0.545em 0.364em 0.545em;
+
+    &:first-of-type {
+      padding-left: (@icon-width + .75em)/@font-size-small;
+    }
+  }
+
+  &.active {
+    overflow: hidden;
+    position: relative;
+  }
+
+  // Little caret on active level-2 item
+  &.active:after {
+    .transform(rotate(45deg));
+
+    background-color: @body-bg-color;
+    box-shadow: 0 0 1em 0 rgba(0,0,0,.6);
+    content: "";
+    display: block;
+    height: 1.25em;
+    width: 1.25em;
+    position: absolute;
+    top: .5em;
+    right: -.75em;
+    z-index: 3;
+  }
+
+  &.active > a {
+    color: @menu-2ndlvl-active-color;
+    background-color: @menu-2ndlvl-active-bg-color;
+
+    &:focus {
+      &:first-of-type,
+      &:first-of-type ~ a {
+        color: @menu-2ndlvl-active-hover-color;
+        background-color: @menu-2ndlvl-active-hover-bg-color;
+      }
+    }
+  }
+}
+
+.no-js #menu .nav-level-2 > .nav-item {
+  // Expand menu if JavaScript is disabled
+  display: block;
+}
+
+#layout:not(.sidebar-collapsed) {
+  #menu .nav-level-1 > .nav-item {
+    &.active {
+      .nav-level-2 > li {
+        // Expand menu if active
+        display: block;
+      }
+    }
+  }
+}
+
+#menu img.icon {
+  line-height: 1;
+  margin: 0 0.5em -.05em 0.25em;
+  width: 1em;
+}
+
+#menu img[src*="/img/icons/"] {
+  &:not([src$="tux.png"]):not([src$="win.png"]):not([src$="_white.png"]) {
+    -webkit-filter: invert(100%);
+    -moz-filter: invert(100%);
+    -ms-filter: invert(100%);
+    filter: invert(100%);
+  }
+}
+
+.nav-item:hover img.icon {
+  opacity: .6;
+}
+
+#menu input.search {
+  background: transparent url('../img/icons/search_white.png') no-repeat 1em center;
+  background-size: 1em auto;
+  border: none;
+  color: @menu-color;
+  line-height: 2.167em;
+  padding: .25em;
+  padding-left: @icon-width + .75em;
+  width: 100%;
+
+  &:focus::placeholder {
+    color: @menu-color;
+  }
+  &:focus::-ms-input-placeholder {
+    color: @menu-color;
+  }
+
+  &.active {
+    background-color: @menu-active-bg-color;
+  }
+
+  &:hover,
+  &:focus {
+    background-color: @menu-search-hover-bg-color;
+  }
+}
+
+// Badge offset correction
+#menu > nav > .nav-level-1 > .badge-nav-item > a > .badge {
+  margin-top: 0.2em;
+}
+
+#menu .nav-level-2 > .badge-nav-item > a > .badge {
+  margin-top: 0.2em;
+  margin-right: .5em
+}
+
+// Hovered menu
+#layout:not(.minimal-layout).sidebar-collapsed #menu .nav-level-1 > .nav-item.hover,
+#layout:not(.minimal-layout) #menu .nav-level-1 > .nav-item:not(.active).hover {
+  > .nav-level-2 {
+    background-color: @menu-flyout-bg-color;
+    border: 1px solid;
+    border-color: @gray-light;
+    border-radius: .25em;
+    box-shadow: 0 0 1em 0 rgba(0,0,0,.3);
+    padding: @vertical-padding 0;
+    width: 14em;
+    position: fixed;
+    z-index: 1;
+
+    &:after {
+      .transform(rotate(45deg));
+
+      background-color: @body-bg-color;
+      border-bottom: 1px solid @gray-light;
+      border-left: 1px solid @gray-light;
+      content: "";
+      display: block;
+      height: 1.1em;
+      width: 1.1em;
+      position: absolute;
+      top: 1em;
+      left: -.6em;
+      z-index: -1;
+    }
+    > .nav-item {
+      display: block;
+      padding-left: 0;
+      position: relative;
+
+      > a {
+        color: @menu-flyout-color;
+
+        &:first-of-type {
+          padding-left: 1.5em;
+        }
+      }
+
+      &:not(.active) {
+        a:hover, a:focus {
+          &:first-of-type,
+          &:first-of-type ~ a {
+            background-color: @menu-2ndlvl-highlight-bg-color;
+          }
+        }
+      }
+
+      &.active > a {
+        color: @menu-color;
+      }
+
+      // Hide activity caret when displayed as flyout
+      &:after {
+        display: none;
+      }
+    }
+  }
+
+  > a > .badge {
+    display: none;
+  }
+
+  img.icon {
+    opacity: .6;
+  }
+}
+
+#layout:not(.minimal-layout) #menu .nav-level-1 > .nav-item:not(.active).hover {
+  > .nav-level-2 {
+    // Position relative to parent
+    margin-left: 16em;
+    margin-top: -3.167em;
+  }
+}
+
+#layout:not(.minimal-layout).sidebar-collapsed #menu .nav-level-1 > .nav-item.hover {
+  > .nav-level-2 {
+    // Position relative to parent
+    margin-left: 4em;
+    margin-top: -3.333em;
+
+    > .badge-nav-item {
+      display: flex;
+
+      a:first-of-type {
+        flex: 1 1 auto;
+        width: 0;
+      }
+
+      a:first-of-type ~ a {
+         flex: 0;
+         width: auto;
+
+         &:hover,
+         &:focus {
+           .badge {
+             opacity: .6;
+           }
+         }
+       }
+    }
+  }
+}
+
+// Accessibility skip links
+.skip-links {
+  position: relative;
+  font-size: 1/.75em;
+
+  ul {
+    list-style-type: none;
+    margin: 0;
+    padding: 0;
+    li {
+      display: block;
+      a, button[type="submit"] {
+        background-color: @body-bg-color;
+        border: none;
+        left: -999px;
+        padding: @vertical-padding @horizontal-padding;
+        position: absolute;
+        width: 100%;
+        z-index: 1;
+        &:focus {
+          left: 0;
+          outline-offset: -3px;
+        }
+      }
+      button[type="submit"] {
+        text-align: left;
+      }
+    }
+  }
+}
+
+#sidebar.expanded {
+  #mobile-menu-toggle .icon-menu {
+    display: none;
+  }
+
+  #mobile-menu-toggle .icon-cancel {
+    display: inline-block;
+  }
+}
+
+.search-control {
+  position: relative;
+}
+
+.search-input:focus ~ .search-reset:hover {
+  background-color: @menu-active-hover-bg-color;
+}
+
+.search-reset {
+  background: none;
+  border: 0;
+  color: @menu-color;
+  cursor: pointer;
+  display: none;
+  height: 100%;
+  padding: 0;
+  user-select: none;
+  position: absolute;
+  right: 0;
+  top: 0;
+
+  &:focus,
+  &:hover {
+    background-color: @menu-search-hover-bg-color;
+    outline: none;
+  }
+}
+
+// Override forms.less
+input[type=text].search-input {
+  padding-right: 1.4em;
+  text-overflow: ellipsis;
+  transition: none;
+}
+
+.search-input:focus:-moz-placeholder { // FF 18-
+  color: @gray-light;
+}
+
+.search-input:focus::-moz-placeholder { // FF 19+
+  color: @gray-light;
+}
+
+.search-input:focus:-ms-input-placeholder {
+  color: @gray-light;
+}
+
+.search-input:focus::-webkit-input-placeholder {
+  color: @gray-light;
+}
+
+.search-input ~ .search-reset {
+  opacity: 0;
+}
+
+.search-input:valid ~ .search-reset {
+  display: block;
+  opacity: 1;
+}
+
+.search-input:invalid,
+.search-input:-moz-submit-invalid,
+.search-input:-moz-ui-invalid {
+  // Disable glow
+  box-shadow: none;
+}
+
+// Toggle sidebar button
+#toggle-sidebar {
+  font-size: 1/.75em;
+
+  // Reset button styles
+  background: none;
+  border: none;
+  padding: 0;
+  color: @text-color-light;
+  position: absolute;
+  bottom: 0;
+  right: 0;
+  z-index: 3;
+  line-height: 2;
+
+  i {
+    background-color: @body-bg-color;
+    border-radius: .25em 0 0 .25em;
+    font-size: 1.125em;
+    width: 2em;
+  }
+
+  &:focus {
+    outline: none;
+  }
+
+  &:hover, &:focus {
+    i {
+      color: @menu-highlight-color;
+    }
+  }
+}
+
+html.no-js  #toggle-sidebar {
+  display: none;
+}
+
+#layout.minimal-layout #toggle-sidebar {
+  display: none;
+}
+
+#open-sidebar {
+  display: none;
+}
+
+#open-sidebar:before,
+#close-sidebar:before {
+  width: 1.4em;
+  margin-right: 0;
+}
+
+#layout:not(.sidebar-collapsed) #menu .nav-level-1 > .nav-item.active .nav-level-2 > li {
+  &.nav-item:not(.badge-nav-item) {
+    &:not(.selected):not(.active) a:hover,
+    &:not(.selected):not(.active) a:focus {
+      background-color: @menu-2ndlvl-highlight-bg-color;
+    }
+  }
+}
+
+#layout:not(.sidebar-collapsed) #menu .nav-level-1 > .nav-item.active .nav-level-2 > li,
+#layout:not(.sidebar-collapsed) #menu .nav-level-1 > .nav-item:not(.active).hover .nav-level-2 > li {
+  &.badge-nav-item {
+    display: flex;
+  }
+
+  &.badge-nav-item a:first-of-type {
+    flex: 1 1 auto;
+    width: 0;
+  }
+
+  &.badge-nav-item a:first-of-type ~ a {
+    flex: 0;
+    width: auto;
+
+    &:hover,
+    &:focus {
+      .badge {
+        opacity: .6;
+      }
+    }
+  }
+}
+
+#layout:not(.sidebar-collapsed) #menu .nav-level-1 > .nav-item.active .nav-level-2 > li {
+  &.badge-nav-item:not(.selected) {
+    a:hover,
+    a:focus {
+      &:first-of-type,
+      &:first-of-type ~ a {
+        background-color: @menu-2ndlvl-highlight-bg-color;
+      }
+    }
+  }
+}
diff --git a/public/css/icinga/mixins.less b/public/css/icinga/mixins.less
new file mode 100644
index 0000000..6c55512
--- /dev/null
+++ b/public/css/icinga/mixins.less
@@ -0,0 +1,201 @@
+/*! Icinga Web 2 | (c) 2015 Icinga Development Team | GPLv2+ */
+
+.button(
+  @background-color: @body-bg-color,
+  @border-font-color: @icinga-blue,
+  @color-dark: @icinga-blue-dark
+) {
+  .rounded-corners(3px);
+
+  display: inline-flex;
+  align-items: baseline;
+  background-color: @background-color;
+  border: 2px solid @border-font-color;
+  color: @border-font-color;
+  cursor: pointer;
+  line-height: normal;
+  outline: none;
+  padding: ~"calc(@{vertical-padding} - 2px)" @horizontal-padding;
+
+  @duration: 0.2s;
+  // The trailing semicolon is needed to be able to pass this as a css list
+  .transition(background @duration, border @duration ease, color @duration ease;);
+
+  &:focus,
+  &:hover,
+  &.btn-primary {
+    background-color: @border-font-color;
+    color: @background-color;
+  }
+
+  &.btn-primary:focus,
+  &.btn-primary:hover {
+    background-color: @color-dark;
+    border-color: @color-dark;
+    color: @background-color;
+  }
+
+  &:hover {
+    text-decoration: none;
+  }
+}
+
+.clearfix {
+  &:after {
+    content: "";
+    clear: both;
+    display: table;
+  }
+}
+
+.opacity(@opacity: 0.6) {
+  opacity: @opacity;
+}
+
+.transform(@transform) {
+  -webkit-transform: @transform;
+     -moz-transform: @transform;
+      -ms-transform: @transform;
+       -o-transform: @transform;
+          transform: @transform;
+}
+
+.user-select(@user-select) {
+  -webkit-user-select: @user-select;
+  -moz-user-select: @user-select;
+  -ms-user-select: @user-select;
+  user-select: @user-select;
+}
+
+.transition (@transition) {
+  -webkit-transition: @transition;
+     -moz-transition: @transition;
+       -o-transition: @transition;
+          transition: @transition;
+}
+
+// Fadein animation
+
+/* Chrome, WebKit */
+@-webkit-keyframes fadein {
+  from { opacity: 0; }
+  to   { opacity: 1; }
+}
+
+/* FF < 16 */
+@-moz-keyframes fadein {
+  from { opacity: 0; }
+  to   { opacity: 1; }
+}
+
+/* Opera < 12.1 */
+@-o-keyframes fadein {
+  from { opacity: 0; }
+  to   { opacity: 1; }
+}
+
+@keyframes fadein {
+  from { opacity: 0; }
+  to   { opacity: 1; }
+}
+
+.fadein() {
+  opacity: 0;
+
+  -webkit-animation: fadein 2s ease-in; /* Chrome, WebKit */
+     -moz-animation: fadein 2s ease-in; /* FF < 16 */
+       -o-animation: fadein 2s ease-in; /* Opera < 12.1 */
+          animation: fadein 2s ease-in;
+
+  // Make sure that after animation is done we remain at the last keyframe value (opacity: 1)
+  -webkit-animation-fill-mode: forwards;
+     -moz-animation-fill-mode: forwards;
+       -o-animation-fill-mode: forwards;
+          animation-fill-mode: forwards;
+}
+
+// Mixin for stateful foreground colors, e.g. text or icons
+.fg-stateful {
+  &.state-ok {
+    color: @color-ok;
+  }
+  &.state-up {
+    color: @color-up;
+  }
+  &.state-warning {
+    color: @color-warning;
+    &.handled {
+      color: @color-warning-handled;
+    }
+  }
+  &.state-critical {
+    color: @color-critical;
+    &.handled {
+      color: @color-critical-handled;
+    }
+  }
+  &.state-down {
+    color: @color-down;
+    &.handled {
+      color: @color-down-handled;
+    }
+  }
+  &.state-unreachable {
+    color: @color-unreachable;
+    &.handled {
+      color: @color-unreachable-handled;
+    }
+  }
+  &.state-unknown {
+    color: @color-unknown;
+    &.handled {
+      color: @color-unknown-handled;
+    }
+  }
+  &.state-pending {
+    color: @color-pending;
+  }
+}
+
+// Mixin for stateful background colors
+.bg-stateful {
+  &.state-ok {
+    background-color: @color-ok;
+  }
+  &.state-up {
+    background-color: @color-up;
+  }
+  &.state-warning {
+    background-color: @color-warning;
+    &.handled {
+      background-color: @color-warning-handled;
+    }
+  }
+  &.state-critical {
+    background-color: @color-critical;
+    &.handled {
+      background-color: @color-critical-handled;
+    }
+  }
+  &.state-down {
+    background-color: @color-down;
+    &.handled {
+      background-color: @color-down-handled;
+    }
+  }
+  &.state-unreachable {
+    background-color: @color-unreachable;
+    &.handled {
+      background-color: @color-unreachable-handled;
+    }
+  }
+  &.state-unknown {
+    background-color: @color-unknown;
+    &.handled {
+      background-color: @color-unknown-handled;
+    }
+  }
+  &.state-pending {
+    background-color: @color-pending;
+  }
+}
diff --git a/public/css/icinga/modal.less b/public/css/icinga/modal.less
new file mode 100644
index 0000000..3d497d6
--- /dev/null
+++ b/public/css/icinga/modal.less
@@ -0,0 +1,113 @@
+#layout > #modal {
+  position: fixed;
+  bottom: 0;
+  left: 0;
+  right: 0;
+  top: 0;
+
+  background-color: rgba(0, 0, 0, .6);
+  opacity: 0;
+  font-size: @font-size;
+  line-height: @line-height;
+  pointer-events: none;
+  transition: opacity .2s ease-in; // This is coupled with a `setTimout` in modal.js
+  z-index: 1000;
+
+  &.active {
+    opacity: 1;
+    pointer-events: auto;
+  }
+
+  > div {
+    height: 100%;
+    pointer-events: none;
+
+    display: flex;
+    align-items: center;
+    justify-content: center;
+  }
+}
+
+#modal-content {
+  display: flex;
+  flex: 10;
+  flex-direction: column;
+  justify-content: stretch;
+
+  > .content {
+    padding: 1em;
+
+    > .icinga-form {
+      width: 100%;
+    }
+  }
+}
+
+#modal-ghost {
+  display: none;
+}
+
+.modal-area {
+  display: flex;
+  flex-direction: row;
+  flex-grow: 1;
+  justify-content: stretch;
+}
+
+.modal-header {
+  padding: .25em 0;
+  position: relative;
+  text-align: center;
+
+  > button {
+    position: absolute;
+    top: .75em;
+    right: 1em;
+
+    background-color: @gray;
+    border: none;
+    border-radius: 50%;
+    color: @text-color-inverted;
+    height: 1.5em;
+    line-height: 1em;
+    padding: 0;
+    text-align: center;
+    width: 1.5em;
+
+    -webkit-appearance: none;
+    -moz-appearance: none;
+    -ms-appearance: none;
+    appearance: none;
+  }
+
+  > button:hover {
+    opacity: .8;
+  }
+
+  > button > .icon-cancel:before {
+    margin-right: 0;
+  }
+}
+
+.modal-header h1 {
+  padding: .25em;
+  margin: 0;
+}
+
+.modal-window {
+  overflow: auto;
+  pointer-events: auto;
+
+  display: flex;
+  align-items: stretch;
+  flex-direction: column;
+
+  background-color: @body-bg-color;
+  border-radius: .5em;
+  box-shadow: 0 0 2em 0 rgba(0, 0, 0, .6);
+  flex: 1;
+  margin: 0 auto;
+  max-height: 80%;
+  min-height: 40vh;
+  max-width: 60em;
+}
diff --git a/public/css/icinga/nav.less b/public/css/icinga/nav.less
new file mode 100644
index 0000000..f7950f1
--- /dev/null
+++ b/public/css/icinga/nav.less
@@ -0,0 +1,50 @@
+/*! Icinga Web 2 | (c) 2015 Icinga Development Team | GPLv2+ */
+
+.badge-nav-item {
+  > a {
+    .clearfix();
+
+    > .badge {
+      float: right;
+    }
+  }
+}
+
+.dropdown-nav-item > ul {
+  display: none;
+  position: absolute;
+}
+
+.dropdown-nav-item.active > ul,
+.dropdown-nav-item:hover > ul {
+  display: block;
+}
+
+.nav {
+  // Reset defaults
+  list-style-type: none;
+  margin: 0;
+  padding: 0;
+
+  li > a,
+  li > span {
+    // Rollover
+    display: block;
+  }
+}
+
+.nav .nav-item .icon:before {
+  width: 1.5em;
+}
+
+.tab-nav {
+  .clearfix();
+
+  > li {
+    float: left;
+  }
+}
+
+.primary-nav a {
+  font-weight: 500;
+}
diff --git a/public/css/icinga/php-diff.less b/public/css/icinga/php-diff.less
new file mode 100644
index 0000000..d8f6a80
--- /dev/null
+++ b/public/css/icinga/php-diff.less
@@ -0,0 +1,17 @@
+@diff-bg-color: transparent;
+@diff-text-color: @text-color;
+
+@diff-bg-color-ins-base: @color-up;
+@diff-bg-color-del-base: @color-down;
+@diff-bg-color-rep-base: @color-warning;
+
+@diff-border-color: @gray-light;
+
+@light-mode: {
+  :root {
+    --diff-bg-color: var(--body-bg-color);
+    --diff-text-color: var(--text-color);
+
+    --diff-border-color: var(--gray-light);
+  }
+};
diff --git a/public/css/icinga/print.less b/public/css/icinga/print.less
new file mode 100644
index 0000000..75d4728
--- /dev/null
+++ b/public/css/icinga/print.less
@@ -0,0 +1,39 @@
+/*! Icinga Web 2 | (c) 2015 Icinga GmbH | GPLv2+ */
+
+@media print {
+  #sidebar,
+  #migrate-popup, // Icinga DB Web
+  .controls,
+  .footer, // ipl
+  .dontprint, // Compat only, use dont-print instead
+  .dont-print {
+    display: none !important;
+  }
+
+  #main > .container {
+    overflow: visible !important;
+
+    > .content {
+      overflow: visible !important;
+    }
+  }
+
+  :root {
+    --body-bg-color: #fff !important;
+    --text-color: #535353 !important;
+    --text-color-light: #7F7F7F !important;
+    --tr-active-color: #fff !important;
+    --tr-hover-color: #fff !important;
+
+    // ipl-web overrides
+    --default-bg: #fff !important;
+    --default-text-color: #535353 !important;
+    --default-text-color-inverted: #fff !important;
+  }
+}
+
+@media not print {
+  .print-only {
+    display: none !important;
+  }
+}
diff --git a/public/css/icinga/responsive.less b/public/css/icinga/responsive.less
new file mode 100644
index 0000000..6d1cae8
--- /dev/null
+++ b/public/css/icinga/responsive.less
@@ -0,0 +1,167 @@
+/*! Icinga Web 2 | (c) 2016 Icinga Development Team | GPLv2+ */
+
+// Not growing larger than 3840px at 1em=16px right now
+@media screen and (min-width: 240em) {
+  #header {
+    min-width: 240em;
+  }
+
+  #main {
+    width: 227em;
+  }
+}
+
+// More than 100em, usually 1600px at 1em=16px
+@media screen and (min-width: 100em) {
+  html {
+    font-family: 'wide-layout';
+  }
+}
+
+// Up to 1152px at 1em=16px
+@media screen and (max-width:72em) {
+  html {
+    font-family: 'compact-layout';
+  }
+}
+
+// Up to 752px at 1em=16px
+@media screen and (max-width: 47em) {
+  html {
+    font-family: 'poor-layout';
+  }
+}
+
+// Up to 576px at 1em=16px, should fit 320px devices
+@media screen and (max-width: 36em) {
+  html {
+    font-family: 'minimal-layout';
+  }
+}
+
+#layout.compact-layout {
+  font-size: 0.875em;
+}
+
+#layout.poor-layout {
+  font-size: 0.875em;
+
+  #layout.twocols {
+    #col1 {
+      display: none;
+    }
+
+    #main > .container {
+      width: 100%;
+    }
+  }
+
+  .dashboard > div.container {
+    width: 100%;
+  }
+}
+
+#layout:not(.minimal-layout) {
+  #mobile-menu-toggle {
+    display: none;
+  }
+}
+
+#layout.minimal-layout {
+  #sidebar {
+    width: 100%;
+    overflow: auto;
+  }
+
+  #header-logo-container {
+    width: auto;
+    height: 4em;
+    padding: 0;
+    background: inherit;
+  }
+
+  #header-logo {
+    float: left;
+    width: 9em;
+    height: 3em;
+    margin: .5em 1em;
+    background-position: left center;
+  }
+
+  #mobile-menu-toggle {
+    float: right;
+  }
+
+  #sidebar:not(.expanded) #menu {
+    display: none;
+  }
+
+  #menu {
+    -webkit-box-shadow: none;
+       -moz-box-shadow: none;
+            box-shadow: none;
+  }
+
+  #content-wrapper {
+    flex-direction: column;
+  }
+
+  #main {
+    flex: 1 1 auto;
+    height: 0;
+  }
+
+  ul > .selected > a:after,
+  ul > .nav-item.active:after {
+    display: none;
+  }
+
+  .dashboard > div.container {
+    width: 100%;
+  }
+}
+
+// Dashboard
+
+.dashboard > .container {
+  padding-right: 0;
+  width: 100%;
+}
+
+#layout:not(.twocols).default-layout .dashboard > .container:not(:only-child) {
+  padding-right: @gutter;
+  width: 50%;
+}
+
+#layout:not(.twocols).wide-layout .dashboard > .container:not(:only-child) {
+  padding-right: @gutter;
+  width: 33.33%;
+}
+
+// Columns
+
+#layout.twocols #col2 {
+  border-left: 1px solid @gray-lighter;
+}
+
+#layout.twocols.wide-layout #col2 {
+  flex-grow: 2;
+}
+
+// Safe areas for iPhone X
+
+#header, #sidebar, #footer {
+  padding-left: constant(safe-area-inset-left);
+}
+
+#main, #footer {
+  padding-right: constant(safe-area-inset-right);
+}
+
+#layout.twocols #col2 {
+  border-left: 1px solid @gray-lighter;
+
+  &:empty {
+    display: flex;
+  }
+}
diff --git a/public/css/icinga/setup.less b/public/css/icinga/setup.less
new file mode 100644
index 0000000..c848bc7
--- /dev/null
+++ b/public/css/icinga/setup.less
@@ -0,0 +1,479 @@
+/*! Icinga Web 2 | (c) 2014 Icinga Development Team | GPLv2+ */
+
+#setup-content-wrapper {
+  height: 0;
+  display: flex;
+  flex: 1 1 auto;
+  flex-direction: column;
+
+  > .setup-content {
+    height: 0;
+    overflow: auto;
+    flex: 1 1 auto;
+  }
+}
+
+.setup-header {
+  width: 100%;
+  height: 5.5em;
+  background-color: @icinga-blue;
+  text-align: center;
+
+  img {
+    width: 7.5em;
+    margin: 1.5em;
+    float: left;
+  }
+
+  form[name='setup_restart_form'] button {
+    background: none;
+    border: none;
+    color: #ffffff;
+    cursor: pointer;
+    outline: none;
+    font-size: 1.4em;
+    margin-right: 0.6em;
+    -moz-transform: scale(1, -1);
+    -webkit-transform: scale(1, -1);
+    -o-transform: scale(1, -1);
+    -ms-transform: scale(1, -1);
+    transform: scale(1, -1);
+  }
+
+  .progress-bar {
+    overflow: hidden;
+    padding-top: 1em;
+
+    .step {
+      float: left;
+
+      h1 {
+        margin: 0;
+        color: white;
+        font-size: 0.9em;
+        text-align: center;
+        border-bottom: none;
+      }
+
+      table {
+        margin-top: 0.3em;
+
+        td {
+          padding: 0;
+
+          &.left, &.right {
+            width: 50%;
+          }
+        }
+      }
+
+      div {
+        background-color: lightgrey;
+
+        &.line {
+          height: 0.4em;
+
+          &.left {
+            margin-left: 0.1em;
+            margin-right: -0.1em;
+            border-top-left-radius: 0.5em;
+            border-bottom-left-radius: 0.5em;
+          }
+
+          &.right {
+            margin-left: -0.1em;
+            margin-right: 0.1em;
+            border-top-right-radius: 0.5em;
+            border-bottom-right-radius: 0.5em;
+          }
+        }
+
+        &.bubble {
+          width: 1.2em;
+          height: 1.2em;
+          border-radius: 1.2em;
+
+          // Make sure that such a bubble overlays lines
+          position: relative;
+          z-index: 1337;
+        }
+
+        &.active {
+          background-color: white;
+        }
+
+        &.complete {
+          background-color: @color-ok;
+        }
+
+        &.visited {
+          background-color: #eee;
+        }
+      }
+    }
+  }
+}
+
+.setup-content {
+  padding: 1.5em 10em 0 10em;
+
+  h1 {
+    font-weight: bold;
+  }
+
+  form {
+    h2 {
+      font-size: 2.0em;
+    }
+  }
+}
+
+.setup-content .control-group > :not([hidden]) {
+  display: inline-block;
+  margin-right: 1em;
+}
+
+.setup-content div.buttons {
+  margin-top: 1.5em; // Yes, -top and -bottom, keep it like that...
+  margin-bottom: 1.5em;
+
+  .double {
+    position: absolute;
+    left: -1337px;
+  }
+
+  .control-button,
+  input[type="submit"] {
+    .button();
+  }
+
+  .control-button[disabled] {
+    background: none;
+    cursor: default;
+    color: @control-disabled-color;
+    border: 1px solid @control-disabled-color;
+
+    &:hover {
+      color: @control-disabled-color;
+      background: none;
+      border: 1px solid @control-disabled-color;
+    }
+  }
+
+  button.finish, a.button-like.login {
+    min-width: 25em;
+  }
+
+  .spinner {
+    margin-left: 1em;
+  }
+}
+
+.setup-content div.buttons + ul.hints {
+  margin-top: -1.5em;
+  margin-bottom: 1.5em;
+}
+
+form#setup_requirements {
+  margin-top: 2em;
+  padding-top: 0.5em;
+  border-top: 1px solid #888;
+
+  div.buttons div.requirements-refresh {
+    width: 25%;
+    float: right;
+    text-align: center;
+
+    a.button-like {
+      padding: 0.1em 0.4em;
+    }
+  }
+}
+
+.setup-content ul.requirements {
+  margin: 0;
+  padding: 0;
+  list-style-type: none;
+
+  li {
+    margin-bottom: 1em;
+
+    & > ul {
+      margin: 0;
+      padding: 0;
+      list-style-type: none;
+    }
+
+    div {
+      float: left;
+      padding-top: 0.4em;
+      box-sizing: border-box;
+      -moz-box-sizing: border-box;
+      -webkit-box-sizing: border-box;
+    }
+
+    div.title {
+      width: 25%;
+
+      h2 {
+        padding: 0;
+        margin: 0 1em 0 0;
+        border-bottom: 0;
+      }
+    }
+
+    div.description {
+      width: 50%;
+      border-left: 0.4em solid transparent;
+      border-right: 0.4em solid transparent;
+
+      ul {
+        margin: 0;
+        padding-left: 1em;
+        list-style-type: square;
+      }
+    }
+
+    div.state {
+      width: 25%;
+      color: white;
+      padding: 0.4em;
+
+      &.fulfilled {
+        background-color: @color-ok;
+      }
+
+      &.not-available {
+        color: black;
+        background-color: #e8ec70;
+      }
+
+      &.missing {
+        background-color: @color-critical;
+      }
+    }
+  }
+}
+
+#setup_ldap_discovery_confirm table {
+  margin: 1em 0;
+  border-collapse: separate;
+  border-spacing: 1em 0.2em;
+}
+
+#setup_admin_account {
+  div.instructions {
+    width: 30.2em;
+    display: inline-block;
+  }
+
+  div.radiobox {
+    vertical-align: top;
+    display: inline-block;
+    padding: 0.9em 0.2em 0;
+  }
+}
+
+.setup-content {
+  div.summary {
+    font-size: 90%;
+
+    div.page {
+      float: left;
+      width: 25em;
+      min-height: 25em;
+      padding: 0 1em 1em;
+      margin: 1em 1.5em 1.5em;
+      border: 1px dashed lightgrey;
+
+      h2 {
+        font-size: 1.2em;
+        font-weight: bold;
+      }
+
+      div.topic {
+        margin-left: 2em;
+
+        h3 {
+          font-size: 1em;
+        }
+
+        ul {
+          list-style-type: circle;
+        }
+
+        table {
+          border-spacing: 0.5em;
+          border-collapse: separate;
+          font-size: 0.9em;
+          margin-left: 2em;
+        }
+      }
+    }
+  }
+
+  form.summary {
+    clear: left;
+  }
+}
+
+#setup-finish {
+  h2 {
+    padding: 0.5em;
+    border-bottom: 0;
+    font-variant: normal;
+    font-weight: bold;
+    color: white;
+
+    &.success {
+      background-color: @color-ok;
+    }
+
+    &.failure {
+      background-color: @color-critical;
+    }
+  }
+
+  pre.log-output {
+    width: 66%;
+    height: 25em;
+    max-height: none;
+  }
+
+  div.buttons {
+    margin-top: 0;
+    text-align: center;
+
+    a {
+      padding: 0.5em;
+    }
+  }
+}
+
+.welcome-page {
+  margin-top: 3em;
+  text-align: center;
+
+  h2 {
+    font-size: 2.0em;
+    margin-bottom: 2em;
+  }
+
+  div.info {
+    padding: 0 1em;
+    background-color: #eee;
+    border: 1px solid lightgrey;
+  }
+
+  p.restart-warning {
+    color: coral;
+    font-weight: bold;
+  }
+
+  form ul.errors {
+    display: block;
+
+    list-style-type: none;
+    color: red;
+  }
+
+  div.note {
+    padding: 1em 1em 0;
+    margin: 3em auto 0;
+    text-align: left;
+    font-size: 0.9em;
+    border: 1px solid;
+    border-color: @gray-light;
+
+    h3 {
+      padding: 0.2em;
+      margin: -1em -1em 1em;
+      text-align: center;
+      color: @text-color;
+      background-color: @gray-lightest;
+      border: 1px solid;
+      border-color: @gray-light;
+    }
+
+    img {
+      float: right;
+    }
+
+    p {
+      margin: 2em 0 1em 0;
+
+      &:first-child {
+        margin-top: 1em;
+      }
+    }
+
+    div.code {
+      margin: 0 2em;
+
+      span {
+        display: block;
+        font-family: monospace;
+      }
+    }
+  }
+}
+
+#setup_monitoring_welcome {
+  .welcome-page;
+  margin-top: 0;
+  padding: 1em;
+
+  h2 {
+    margin-top: 0;
+  }
+}
+
+#setup_modules {
+  div.module {
+    float: left;
+    width: 15em;
+    height: 15em;
+    margin: 1em;
+    padding: 0.3em;
+    border: 1px solid;
+    border-color: @gray-semilight;
+    background-color: @gray-lightest;
+
+    .header {
+      height: 2.5em;
+      display: flex;
+      justify-content: space-between;
+    }
+
+    h3 {
+      margin: 0;
+      border: none;
+      overflow: hidden;
+      text-overflow: ellipsis;
+
+      label {
+        cursor: pointer;
+      }
+    }
+
+    label.description {
+      display: inline-block;
+      width: 14.4em;
+      height: 12em;
+      overflow: auto;
+      cursor: pointer;
+      font-weight: normal;
+    }
+
+    input[type=checkbox] {
+      height: 10em;
+      float: right;
+      margin: 0;
+    }
+  }
+
+  div.buttons {
+    padding-top: 1em;
+    clear: both;
+  }
+}
diff --git a/public/css/icinga/spinner.less b/public/css/icinga/spinner.less
new file mode 100644
index 0000000..c1cf93e
--- /dev/null
+++ b/public/css/icinga/spinner.less
@@ -0,0 +1,42 @@
+/*! Icinga Web 2 | (c) 2015 Icinga Development Team | GPLv2+ */
+
+.refresh-container-control > i:before {
+  margin: 0;
+}
+
+a.spinner.active > i,
+button.spinner.active > i,
+i.spinner.active {
+  &:before {
+    .animate(spin 2s infinite linear);
+
+    // icon-spin6
+    content: '\e874';
+  }
+
+  &.fa:before {
+    // fa spinner
+    content: '\f110';
+  }
+}
+
+div.spinner {
+  display: inline-block;
+  vertical-align: middle;
+
+  i {
+    visibility: hidden;
+
+    &.active {
+      visibility: visible;
+
+      &:before {
+        .animate(spin 2s infinite linear);
+      }
+    }
+
+    &:before {
+      margin: 0; // Disables wobbling
+    }
+  }
+}
diff --git a/public/css/icinga/tabs.less b/public/css/icinga/tabs.less
new file mode 100644
index 0000000..8103735
--- /dev/null
+++ b/public/css/icinga/tabs.less
@@ -0,0 +1,105 @@
+/*! Icinga Web 2 | (c) 2014 Icinga Development Team | GPLv2+ */
+
+// Styles for tab navigation of containers
+
+.tabs {
+  background-color: @menu-bg-color;
+  letter-spacing: -0.417em;
+}
+
+.tabs > li {
+  display: inline-block;
+  letter-spacing: normal;
+}
+
+.tabs a {
+    padding: 0 1em;
+    line-height: 2.5em;
+
+    &:focus {
+      outline-offset: -0.5em;
+    }
+}
+
+.tabs > li {
+  &:not(:last-child) {
+    margin-right: 0.5em;
+  }
+
+  > a {
+    color: @menu-color;
+
+    &:hover {
+      text-decoration: none;
+      background: @tab-hover-bg-color;
+    }
+  }
+
+  &.active > a,
+  > a:focus {
+    background-color: @body-bg-color;
+    color: @text-color;
+  }
+}
+
+.tabs > .dropdown-nav-item > a,
+.tabs > li > .close-container-control,
+.tabs > li > .refresh-container-control {
+  text-align: center;
+  width: 3em;
+}
+
+.tabs > .dropdown-nav-item:hover > a,
+.tabs > .dropdown-nav-item > a:focus,
+.tabs > li > .close-container-control:focus,
+.tabs > li > .close-container-control:hover,
+.tabs > li > .refresh-container-control:focus,
+.tabs > li > .refresh-container-control:hover {
+  background-color: @body-bg-color;
+  color: @text-color;
+  text-decoration: none;
+}
+
+.tabs > .dropdown-nav-item > ul {
+  .box-shadow();
+  .rounded-corners(0 0 0.3em 0.3em);
+
+  background-color: @body-bg-color;
+  border: 1px solid;
+  border-color: @gray-light;
+  border-top: none;
+  margin-left: -1px;
+  min-width: 14em;
+  z-index: 10;
+}
+
+.tabs > .dropdown-nav-item > ul > li:hover > a {
+  background-color: @gray-lighter;
+  text-decoration: none;
+}
+
+// Dropdown tabs after the fourth title should be right-aligned
+.tabs > li:nth-child(n+5).dropdown-nav-item > ul {
+  transform: translate(~"calc(-100% + 3em)"); // -full width + tab width
+  margin-left: 1px;
+}
+
+// TODO(el): Rename display-on-hover and move it to main.less
+.display-on-hover {
+  font-size: @font-size-small;
+  left: -999em;
+  position: relative;
+}
+
+.dropdown-nav-item > ul > li > a:focus > .display-on-hover,
+.dropdown-nav-item > ul > li:hover > a > .display-on-hover {
+  position: static;
+}
+
+.tabs > li > .close-container-control {
+  display: none;
+}
+
+#layout.twocols .tabs > li > .close-container-control {
+  display: block;
+}
diff --git a/public/css/icinga/widgets.less b/public/css/icinga/widgets.less
new file mode 100644
index 0000000..654e7d5
--- /dev/null
+++ b/public/css/icinga/widgets.less
@@ -0,0 +1,643 @@
+/*! Icinga Web 2 | (c) 2014 Icinga Development Team | GPLv2+ */
+
+#announcements > ul {
+  background-color: @body-bg-color;
+  list-style: none;
+  margin: 0;
+  padding: 0;
+
+  > li {
+    border-bottom: 1px solid @gray-lighter;
+    line-height: 1.5em;
+    padding: 0.5em 1em 0.5em 3em;
+
+    position: relative;
+
+    &:before {
+      color: @icinga-blue;
+      content: "\e811";
+      font-family: 'ifont';
+
+      position: absolute;
+      left: 1.25em;
+    }
+
+    &:last-child {
+      border-bottom: none;
+    }
+
+    a {
+      color: @icinga-blue;
+    }
+
+    .message {
+      display: inline-block;
+      vertical-align: middle;
+      padding-right: 1.5em;
+      font-size: 7/6em;
+    }
+
+    p {
+      margin-bottom: 0;
+    }
+  }
+}
+
+.acknowledge-announcement-control,
+.application-state-acknowledge-message-control {
+  background: none;
+  border: none;
+  display: block;
+  margin-top: -0.75em;
+
+  position: absolute;
+  right: .75em;
+  top: 50%;
+}
+
+.application-state-acknowledge-message-control .link-button {
+  color: #fff;
+
+  &:hover .icon-cancel {
+    color: @icinga-blue;
+  }
+}
+
+#application-state-summary > div {
+  background-color: @color-critical;
+  color: @text-color-on-icinga-blue;
+  line-height: 1.5em;
+  padding: 0.5em 1em 0.5em 3em;
+
+  position: relative;
+
+  &:before {
+    content: "\e84d";
+    font-family: 'ifont';
+
+    position: absolute;
+    text-align: center;
+    left: .4em;
+    padding: .5em;
+    width: 3em;
+    top: 0;
+  }
+
+  > section {
+    margin-left: .5em;
+  }
+
+  > form .icon-cancel:before {
+    color: @text-color-on-icinga-blue;
+  }
+}
+
+.dashboard-link {
+  .clearfix();
+  display: block;
+  max-width: 100%;
+  vertical-align: middle;
+  padding: 1em;
+  width: 36em;
+
+  &:hover {
+    -webkit-border-radius: 4px;
+       -moz-border-radius: 4px;
+            border-radius: 4px;
+
+    -webkit-background-clip: padding-box;
+       -moz-background-clip: padding;
+            background-clip: padding-box;
+
+    -webkit-box-shadow: 0 0 0.5em 0 rgba(0, 0, 0, 0.2);
+       -moz-box-shadow: 0 0 0.5em 0 rgba(0, 0, 0, 0.2);
+            box-shadow: 0 0 0.5em 0 rgba(0, 0, 0, 0.2);
+
+    background-color: @tr-hover-color;
+    text-decoration: none;
+  }
+}
+
+.dashboard.content > .container {
+  overflow-x: auto;
+}
+
+.link-meta {
+  display: table-cell;
+  vertical-align: middle;
+}
+
+.link-label {
+  font-weight: @font-weight-bold;
+}
+
+.link-description {
+  color: @text-color-light;
+}
+
+.link-icon {
+  display: table-cell;
+  padding-right: .5em;
+  vertical-align: middle;
+  text-align: center;
+
+  > i {
+    font-size: 3em;
+    opacity: 0.7;
+    line-height: 1.5;
+
+    &:before {
+      min-width: 1.25em;
+    }
+  }
+
+  > img {
+    width: 3em;
+    height: 3em;
+    margin-right: .6em;
+  }
+}
+
+table.historycolorgrid {
+  font-size: 1.5em;
+}
+
+table.historycolorgrid th {
+  width: 1em;
+  height: 1em;
+  margin: 0.5em;
+  font-size: 0.55em;
+  font-weight: bold;
+}
+
+table.historycolorgrid td {
+  width: 1em;
+  height: 1em;
+  margin: 1em;
+}
+
+table.historycolorgrid td:hover {
+  opacity: 0.5;
+}
+
+table.historycolorgrid td.weekday {
+  font-size: 0.55em;
+  font-weight: bold;
+  width: 2.5em;
+  opacity: 1.0;
+}
+
+table.historycolorgrid a, table.historycolorgrid span {
+  .rounded-corners(0.2em);
+  margin: 0;
+  text-decoration: none;
+  display: block;
+  width: 1.1em;
+  height: 1.1em;
+}
+
+table.historycolorgrid a:hover {
+  text-decoration: none;
+}
+
+table.multiselect tr[href] td {
+  user-select: none;
+  -webkit-user-select: none;
+  -moz-user-select: none;
+  -ms-user-select: none;
+}
+
+#main div.filter {
+  form.editor {
+    input[type=text], select {
+      width: 12em;
+      height: 2em;
+      line-height: 1;
+    }
+
+    ul.tree li.active {
+      background-color: @gray-lightest;
+    }
+
+    button {
+      padding: .5em;
+      border: none;
+      background: none;
+      color: @text-color;
+
+      &:hover, &:focus {
+        color: @icinga-blue;
+      }
+    }
+
+    .buttons {
+      margin-left: 25em;
+      padding: .25em 0;
+    }
+
+    .buttons input:not(:last-child) {
+      margin-right:.5em;
+    }
+  }
+}
+
+form.role-form {
+  &.icinga-form .control-label-group {
+    width: 20em;
+  }
+
+  .control-label-group em {
+    color: @text-color-light;
+    font-style: normal;
+  }
+
+  .control-label > * {
+    display: inline-block;
+  }
+
+  summary {
+    border-bottom: 1px solid @gray-light;
+    .user-select(none);
+    cursor: pointer;
+
+    font-weight: @font-weight-bold;
+    margin: 0.556em 0 0.333em;
+    font-size: 1.167em;
+
+    display: flex;
+    align-items: baseline;
+    .privilege-preview {
+      flex: 1 1 auto;
+    }
+
+    > :first-child {
+      display: inline-block;
+      width: 20em / 1.167em; // element label width / summary font-size
+    }
+
+    > :nth-last-child(1),
+    > :nth-last-child(2) {
+      font-size: .75em;
+      opacity: .6;
+    }
+
+    .privilege-preview .icon {
+      &.granted {
+        color: @color-granted;
+      }
+
+      &.refused {
+        color: @color-refused;
+      }
+
+      &.restricted {
+        color: @color-restricted;
+      }
+    }
+  }
+
+  .collapsible {
+    summary em {
+      font-size: .857em;
+      font-weight: normal;
+      color: @text-color-light;
+    }
+
+    h4 {
+      display: inline-block;
+      width: 20em;
+      margin-top: 1.5em;
+      padding-right: .5625em;
+      text-align: right;
+
+      & ~ i {
+        display: inline-block;
+        width: 2.625em;
+        margin-right: 1em;
+        text-align: center;
+
+        &.icon-ok {
+          color: @color-granted;
+        }
+
+        &.icon-cancel {
+          color: @color-refused;
+        }
+      }
+    }
+  }
+}
+
+ul.tree select:first-of-type { /* ?? */
+  margin-bottom: 0.3em;
+  margin-left: 2em;
+}
+
+ul.tree {
+  padding: 0;
+  margin: 0;
+  padding-top: .5em;
+}
+
+ul.tree ul {
+  padding-left: 1em;
+}
+
+ul.tree li {
+  margin: 0;
+  list-style-type: none;
+  position: relative;
+  padding: 0;
+}
+
+ul.tree li .handle {
+  background-image: url('../img/tree/tree-minus.gif');
+  background-repeat: no-repeat;
+  display: inline-block;
+  position: absolute;
+  width: 1.5em;
+  height: 2em;
+  left: 0em;
+  background-position: center center;
+  z-index: 1;
+  cursor: pointer;
+}
+
+ul.tree li.collapsed > .handle {
+  background-image: url('../img/tree/tree-plus.gif');
+}
+
+ul.tree li.collapsed > ul {
+  display: none;
+}
+
+ul.tree li::before, ul.tree li::after {
+  content: '';
+  position: absolute;
+  right: auto;
+  left: -0.2em;
+  border-color: @gray-light;
+  border-style: dotted;
+  border-width: 0;
+}
+
+/* This is the left vertical line */
+ul.tree li::before {
+  border-left-width: 1px;
+  top: -.5em;
+  width: 1em;
+  height: 2.5em;
+  bottom: 1em;
+}
+
+/* This is the horizontal dash in front of each item */
+ul.tree li::after {
+  border-top-width: 1px;
+  top: 1em;
+  width: 2em;
+  height: 1em;
+}
+
+/* Stop left vertical line at "mid-height" after last nodes (at each level) */
+ul.tree li:last-child::before {
+  height: 1.5em;
+}
+
+/* No border for the root element - there must be only ONE root */
+ul.tree > li::before, ul.tree > li::after {
+  display: none;
+}
+
+/* No connector before (each) root element */
+ul.tree > ul > li::before, ul.tree > ul > li::after {
+	border: 0;
+}
+
+ul.tree li a {
+  display: inline-block;
+  line-height: 2em;
+  padding: 0 .5em;
+  text-decoration: none;
+  color: @gray;
+  background-repeat: no-repeat;
+  background-position: 0.8em 0.4em;
+}
+
+ul.tree li a.error {
+  color: @color-critical-handled;
+}
+
+ul.tree li a:hover {
+  color: @text-color;
+  text-decoration: underline;
+}
+
+ul.tree li a.error:hover {
+  color: @color-critical;
+}
+
+/* charts should grow as much as possible but never beyond the current viewport's size */
+.svg-container-responsive {
+  padding: 1.5em;
+  height: 80vh;
+}
+
+.tipsy .tipsy-inner {
+  // overwrite tooltip max width, we need them to grow bigger
+  font-family: @font-family;
+  font-size: @font-size-small;
+  max-width: 300px;
+  text-align: left;
+  background-color: rgba(0,0,0,0.8);
+}
+
+.progress-label span {
+  font-size: 1.5em;
+  .animate(blink 1.4s infinite both);
+
+  &:nth-child(2) {
+    animation-delay: .2s;
+  }
+
+  &:nth-child(3) {
+    animation-delay: .4s;
+  }
+}
+
+.flyover:not(.flyover-expanded) .flyover-content {
+  display: none;
+}
+
+.flyover {
+  position: relative;
+
+  .flyover-content {
+    background-color: @body-bg-color;
+    border: 1px solid;
+    border-color: @gray-lighter;
+    box-shadow: 0 0 .5em 0 rgba(0, 0, 0, 0.2);
+    position: absolute;
+    padding: @vertical-padding @horizontal-padding;
+    .rounded-corners();
+  }
+
+  &.flyover-arrow-top .flyover-content:before {
+    background: @body-bg-color;
+    border-left: 1px solid @gray-lighter;
+    border-top: 1px solid @gray-lighter;
+    content: "";
+    height: 1em;
+    -ms-transform: rotate(45deg);
+        transform: rotate(45deg);
+    width: 1em;
+
+    position: absolute;
+    left: 6px;
+    top: -7px;
+  }
+
+  &.flyover-right .flyover-content {
+    left: auto;
+    right: 0;
+  }
+
+  &.flyover-arrow-top.flyover-right .flyover-content:before {
+    left: auto;
+    right: 6px;
+  }
+}
+
+.slice-state-ok {
+  stroke: @color-ok;
+  background: @color-ok;
+}
+
+.slice-state-warning-handled {
+  stroke: @color-warning-handled;
+  background: @color-warning-handled;
+}
+
+.slice-state-warning {
+  stroke: @color-warning;
+  background: @color-unreachable-handled;
+}
+
+.slice-state-critical-handled {
+  stroke: @color-critical-handled;
+  background: @color-critical-handled;
+}
+
+.slice-state-critical {
+  stroke: @color-critical;
+  background: @color-critical;
+}
+
+.slice-state-unknown-handled {
+  stroke: @color-unknown-handled;
+  background: @color-unknown-handled;
+}
+
+.slice-state-unknown {
+  stroke: @color-unknown;
+  background: @color-unknown;
+}
+
+.slice-state-unreachable-handled {
+  stroke: @color-unreachable-handled;
+  background: @color-unreachable-handled;
+}
+
+.slice-state-unreachable {
+  stroke: @color-unreachable;
+  background: @color-unreachable;
+}
+
+.slice-state-pending {
+  stroke: @color-pending;
+  background: @color-pending;
+}
+
+.slice-state-not-checked {
+  stroke: @gray-light;
+  background: @gray-light;
+}
+
+.donut {
+  width: 22em;
+  height: 22em;
+  min-width: 11.5em;
+  display: table;
+}
+
+.donut-graph {
+  width: 22em;
+  height: 22em;
+}
+
+.donut-label {
+  font-weight: bold;
+  fill: @text-color;
+}
+
+.donut-label {
+  margin-top: -12.5em;
+  text-align: center;
+}
+
+.donut-label-big {
+  color: @gray-light;
+  .fg-stateful();
+  font-size: 6em;
+  line-height: 0;
+  text-anchor: middle;
+  &:hover {
+    text-decoration: none;
+  }
+}
+
+.donut-label-small {
+  fill: @text-color;
+  font-size: 1.2em;
+  text-anchor: middle;
+  -moz-transform: translateY(0.35em);
+  -ms-transform: translateY(0.35em);
+  -webkit-transform: translateY(0.35em);
+  transform: translateY(0.35em);
+}
+
+.donut-container {
+  float: left;
+
+  &:not(:last-of-type) {
+    margin-right: 10em;
+  }
+}
+
+.dashboard .donut-container .donut-legend {
+  margin-left: auto;
+}
+
+.donut-legend {
+  width: 50%;
+  padding: 0;
+  margin-left: 18em;
+  list-style-type: none;
+
+  li {
+    vertical-align: middle;
+
+    &:not(:last-child) {
+      margin-bottom: .5em;
+    }
+
+    .badge {
+      font-weight: bold;
+      margin-right: .5em;
+      vertical-align: initial;
+    }
+  }
+}
+
+html.no-js .progress-label {
+  display: none;
+}
diff --git a/public/css/modes/light.less b/public/css/modes/light.less
new file mode 100644
index 0000000..7044007
--- /dev/null
+++ b/public/css/modes/light.less
@@ -0,0 +1,4 @@
+/* Icinga Web 2 | (c) 2021 Icinga GmbH | GPLv2+ */
+
+@enable-color-preference: 999999px;
+@prefer-light-color-scheme: 0px;
diff --git a/public/css/modes/none.less b/public/css/modes/none.less
new file mode 100644
index 0000000..05c618c
--- /dev/null
+++ b/public/css/modes/none.less
@@ -0,0 +1,4 @@
+/* Icinga Web 2 | (c) 2021 Icinga GmbH | GPLv2+ */
+
+@enable-color-preference: 999999px;
+@prefer-light-color-scheme: 999999px;
diff --git a/public/css/modes/system.less b/public/css/modes/system.less
new file mode 100644
index 0000000..07bd06a
--- /dev/null
+++ b/public/css/modes/system.less
@@ -0,0 +1,4 @@
+/* Icinga Web 2 | (c) 2021 Icinga GmbH | GPLv2+ */
+
+@enable-color-preference: 0px;
+@prefer-light-color-scheme: 999999px;
diff --git a/public/css/pdf/pdfprint.less b/public/css/pdf/pdfprint.less
new file mode 100644
index 0000000..2c68d37
--- /dev/null
+++ b/public/css/pdf/pdfprint.less
@@ -0,0 +1,103 @@
+/*! Icinga Web 2 | (c) 2014 Icinga GmbH | GPLv2+ */
+
+// Ensure styling is light, exports use a white background
+
+@gray: #7F7F7F;
+@gray-semilight: #A9A9A9;
+@gray-light: #C9C9C9;
+@gray-lighter: #EEEEEE;
+@gray-lightest: #F7F7F7;
+@icinga-blue: #0095BF;
+@low-sat-blue: #dae3e6;
+@low-sat-blue-dark: #becbcf;
+@body-bg-color: #fff;
+@text-color: @black;
+@text-color-light: @gray;
+@tr-active-color: @body-bg-color;
+@tr-hover-color: @body-bg-color;
+
+// Page layout
+
+@page {
+  margin: 1cm;
+}
+
+body {
+  font-family: sans-serif;
+  margin: 0;
+  padding-top: 37px; // ~ logo height in the header
+}
+
+.content {
+  font-size: 9pt;
+}
+
+#header,
+#footer {
+  position: fixed;
+  left: 0;
+  right: 0;
+  color: #aaa;
+  font-size: 0.9em;
+}
+
+#header {
+  top: 0;
+  border-bottom: 0.1pt solid #aaa;
+
+  .title {
+    text-align: left;
+  }
+
+  img {
+    margin-bottom: 3px;
+  }
+}
+
+#footer {
+  bottom: 0;
+  padding-top: 2em;
+}
+
+.content table {
+  margin-bottom: 3em;
+}
+
+#header table,
+#footer table {
+  width: 100%;
+  border-collapse: collapse;
+  border: none;
+}
+
+#header td,
+#header th,
+#footer td,
+#footer th {
+  padding: 0;
+  width: 50%;
+}
+
+.page-number {
+  padding-top: 0.5em;
+  border-top: 0.1pt solid #aaa;
+  text-align: center;
+}
+
+.page-number:before {
+  content: "Page " counter(page);
+}
+
+hr {
+  page-break-after: always;
+  border: 0;
+}
+
+// General style
+.state-icons,
+.overview-performance-data,
+.controls,
+.dontprint, // Compat only, use dont-print instead
+.dont-print {
+  display: none !important;
+}
diff --git a/public/css/themes/Winter.less b/public/css/themes/Winter.less
new file mode 100644
index 0000000..547d109
--- /dev/null
+++ b/public/css/themes/Winter.less
@@ -0,0 +1,32 @@
+/*! Icinga Web 2 | (c) 2015 Icinga Development Team | GPLv2+ */
+
+@icinga-blue: #2b95ff;
+@control-color: @icinga-blue;
+
+@menu-2ndlvl-highlight-bg-color: transparent;
+
+.letitsnow {
+  background-image: url('../img/winter/snow1.png'), url('../img/winter/snow2.png'), url('../img/winter/snow3.png');
+  animation: ~"snow" 10s linear infinite;
+}
+
+#header-logo {
+    background-image: url('../img/winter/logo_icinga_big_winter.png');
+}
+
+/* Snow, from http://codepen.io/NickyCDK/pen/AIonk */
+#login, #header-logo-container, #main > .container > .controls > .tabs {
+  .letitsnow()
+}
+
+@keyframes ~"snow" {
+  0% {background-position: 0px 0px, 0px 0px, 0px 0px;}
+  50% {background-position: 500px 500px, 100px 200px, -100px 150px;}
+  100% {background-position: 500px 1000px, 200px 400px, -100px 300px;}
+}
+
+#menu ul.nav-level-1 > .nav-item {
+  &:focus, &:hover {
+    .letitsnow()
+  }
+}
diff --git a/public/css/themes/colorblind.less b/public/css/themes/colorblind.less
new file mode 100644
index 0000000..c6df585
--- /dev/null
+++ b/public/css/themes/colorblind.less
@@ -0,0 +1,29 @@
+/*! Icinga Web 2 | (c) 2019 Icinga Development Team | GPLv2+ */
+
+@color-ok: fade(#77E08E, 25%);
+@color-critical: #FE5566;
+@color-critical-handled: fade(@color-critical, 33%);
+@color-warning: #B0A029;
+@color-warning-handled: fade(@color-warning, 33%);
+@color-unknown: #7791E0;
+@color-unknown-handled: fade(@color-unknown, 50%);
+@color-unreachable: @color-unknown;
+@color-unreachable-handled: @color-unknown-handled;
+@color-pending: fade(#FFFFFF, 75%);
+
+/* Adapt font color to match handled / unhandled states */
+.badge,
+.state-badge {
+  font-weight: bold;
+  color: @text-color !important;
+
+  &.handled,
+  &.state-up,
+  &.state-ok {
+    color: fade(@text-color, 75%) !important;
+  }
+}
+
+.processinfo .process > div.backend-running {
+  color: @text-color;
+}
diff --git a/public/css/themes/high-contrast.less b/public/css/themes/high-contrast.less
new file mode 100644
index 0000000..b22ffd5
--- /dev/null
+++ b/public/css/themes/high-contrast.less
@@ -0,0 +1,250 @@
+/*! Icinga Web 2 | (c) 2016 Icinga Development Team | GPLv2+ */
+
+@icinga-blue: #006D8C;
+
+// Gray colors
+@gray: #7F7F7F;
+@gray-semilight: #A9A9A9;
+@gray-light: #C9C9C9;
+@gray-lighter: #EEEEEE;
+@gray-lightest: #F7F7F7;
+@disabled-gray: #9a9a9a;
+
+// State colors
+@color-ok: #006400;
+@color-critical: #EE0000;
+@color-critical-handled: #EE0000;
+@color-warning: #8B5A00;
+@color-warning-handled: #8B5A00;
+@color-unknown: #800080;
+@color-unknown-handled: #800080;
+@color-unreachable: #800080;
+@color-unreachable-handled: #800080;
+@color-pending: #0000EE;
+
+// Icinga colors
+@low-sat-blue: #dae3e6;
+@low-sat-blue-dark: #c0cccd;
+
+// Background color for <body>
+@body-bg-color: @white;
+
+@text-color: #191919;
+@text-color-light: #555555;
+
+@menu-highlight-color: white;
+@menu-2ndlvl-color: white;
+@menu-2ndlvl-highlight-color: white;
+@menu-2ndlvl-active-hover-color: @text-color;
+
+#menu ul.nav-level-1 > .nav-item > a {
+  &:focus, &:hover {
+    text-decoration: underline;
+  }
+}
+
+#menu ul.nav-level-1 > .nav-item.active > a,
+#menu .nav-level-1 > .nav-item.active:not(.selected) > a:hover {
+  color: @text-color;
+  background-color: @white;
+}
+
+#menu .nav-level-2 > .nav-item.active {
+  background-color: @white;
+
+  a {
+    color: @text-color;
+  }
+
+  > a:focus, > a:hover {
+    opacity: 1;
+  }
+}
+
+#menu .nav-level-2 > .nav-item > a {
+  &:hover, &:focus {
+    text-decoration: underline;
+  }
+}
+
+#menu ul:not(.nav-level-2) > .selected > a {
+  color: @text-color;
+}
+
+#menu .active > a {
+  text-decoration: underline;
+}
+
+.badge:not(.handled),
+.state-badge:not(.handled) {
+  &.state-warning {
+    border: 1px solid @color-warning;
+  }
+
+  &.state-critical,
+  &.state-down {
+    border: 1px solid @color-critical;
+  }
+
+  &.state-unreachable {
+    border: 1px solid @color-unreachable;
+  }
+
+  &.state-unknown {
+    border: 1px solid @color-unknown;
+  }
+
+  &.state-ok,
+  &.state-up {
+    border: 1px solid @color-ok;
+  }
+}
+
+.badge.handled,
+.badge.state-ok,
+.state-badge.handled,
+.state-badge.state-ok {
+  background-color: @body-bg-color !important;
+  color: @text-color !important;
+
+  &.state-warning {
+    border: 1px solid @color-warning-handled;
+  }
+
+  &.state-critical,
+  &.state-down {
+    border: 1px solid @color-critical-handled;
+  }
+
+  &.state-unreachable {
+    border: 1px solid @color-unreachable-handled;
+  }
+
+  &.state-unknown {
+    border: 1px solid @color-unknown-handled;
+  }
+}
+
+.boxview a:focus {
+    color: @text-color;
+    text-decoration: underline;
+}
+
+.icinga-module.module-monitoring {
+  @timeline-notification-color: #1650CF;
+  @timeline-hard-state-color: #A24600;
+  @timeline-comment-color: #346964;
+  @timeline-ack-color: #855D18;
+  @timeline-downtime-start-color: #515151;
+  @timeline-downtime-end-color: #5e5e2f;
+
+  // Unfortunately it does not suffice to only override the timeline colors here, because our less compiler seems to
+  // have the related style block in module.less already evaluated
+
+  .timeline-notification {
+    background-color: @timeline-notification-color;
+
+    &.extrapolated {
+      background-color: lighten(@timeline-notification-color, 20%);
+    }
+  }
+
+  .timeline-hard-state {
+    background-color: @timeline-hard-state-color;
+
+    &.extrapolated {
+      background-color: lighten(@timeline-hard-state-color, 20%);
+    }
+  }
+
+  .timeline-comment {
+    background-color: @timeline-comment-color;
+
+    &.extrapolated {
+      background-color: lighten(@timeline-comment-color, 20%);
+    }
+  }
+
+  .timeline-ack {
+    background-color: @timeline-ack-color;
+
+    &.extrapolated {
+      background-color: lighten(@timeline-ack-color, 20%);
+    }
+  }
+
+  .timeline-downtime-start {
+    background-color: @timeline-downtime-start-color;
+
+    &.extrapolated {
+      background-color: lighten(@timeline-downtime-start-color, 20%);
+    }
+  }
+
+  .timeline-downtime-end {
+    background-color: @timeline-downtime-end-color;
+
+    &.extrapolated {
+      background-color: lighten(@timeline-downtime-end-color, 20%);
+    }
+  }
+}
+
+.icinga-controls {
+  input:not([type="checkbox"]):not([type="radio"]),
+  .toggle-switch .toggle-slider:before,
+  .toggle-switch > .toggle-slider,
+  select,
+  textarea {
+    border: 1px solid @icinga-blue;
+  }
+
+  input[type="checkbox"]:not(:checked) + .toggle-switch .toggle-slider:before {
+    height: 1.166666667em;
+    width: 1.166666667em;
+    margin: 1px;
+  }
+}
+
+.search-suggestions {
+  input:not([type="checkbox"]):not([type="radio"]),
+  .toggle-switch .toggle-slider:before,
+  .toggle-switch > .toggle-slider,
+  select,
+  textarea {
+    border: none;
+  }
+}
+
+.icinga-module.module-icingadb .list-item.overdue {
+  background: none;
+
+  header > *:not(time),
+  .caption {
+    opacity: 1;
+  }
+}
+
+.controls input.search,
+input.search {
+  background-image: url(../img/icons/search.png);
+}
+
+.search-bar,
+.button-link,
+.view-mode-switcher > label {
+  border: 1px solid @icinga-blue;
+}
+
+// compensate for 1px border
+.filter-input-area {
+  padding: 1/12em !important;
+}
+
+.view-mode-switcher > label {
+  padding: (10/16)*.25em (10/16)*.5em !important;
+
+  &:not(:first-of-type) {
+    border-left: none;
+  }
+}
diff --git a/public/css/vendor/normalize.css b/public/css/vendor/normalize.css
new file mode 100644
index 0000000..458eea1
--- /dev/null
+++ b/public/css/vendor/normalize.css
@@ -0,0 +1,427 @@
+/*! normalize.css v3.0.2 | MIT License | git.io/normalize */
+
+/**
+ * 1. Set default font family to sans-serif.
+ * 2. Prevent iOS text size adjust after orientation change, without disabling
+ *    user zoom.
+ */
+
+html {
+  font-family: sans-serif; /* 1 */
+  -ms-text-size-adjust: 100%; /* 2 */
+  -webkit-text-size-adjust: 100%; /* 2 */
+}
+
+/**
+ * Remove default margin.
+ */
+
+body {
+  margin: 0;
+}
+
+/* HTML5 display definitions
+   ========================================================================== */
+
+/**
+ * Correct `block` display not defined for any HTML5 element in IE 8/9.
+ * Correct `block` display not defined for `details` or `summary` in IE 10/11
+ * and Firefox.
+ * Correct `block` display not defined for `main` in IE 11.
+ */
+
+article,
+aside,
+details,
+figcaption,
+figure,
+footer,
+header,
+hgroup,
+main,
+menu,
+nav,
+section,
+summary {
+  display: block;
+}
+
+/**
+ * 1. Correct `inline-block` display not defined in IE 8/9.
+ * 2. Normalize vertical alignment of `progress` in Chrome, Firefox, and Opera.
+ */
+
+audio,
+canvas,
+progress,
+video {
+  display: inline-block; /* 1 */
+  vertical-align: baseline; /* 2 */
+}
+
+/**
+ * Prevent modern browsers from displaying `audio` without controls.
+ * Remove excess height in iOS 5 devices.
+ */
+
+audio:not([controls]) {
+  display: none;
+  height: 0;
+}
+
+/**
+ * Address `[hidden]` styling not present in IE 8/9/10.
+ * Hide the `template` element in IE 8/9/11, Safari, and Firefox < 22.
+ */
+
+[hidden],
+template {
+  display: none;
+}
+
+/* Links
+   ========================================================================== */
+
+/**
+ * Remove the gray background color from active links in IE 10.
+ */
+
+a {
+  background-color: transparent;
+}
+
+/**
+ * Improve readability when focused and also mouse hovered in all browsers.
+ */
+
+a:active,
+a:hover {
+  outline: 0;
+}
+
+/* Text-level semantics
+   ========================================================================== */
+
+/**
+ * Address styling not present in IE 8/9/10/11, Safari, and Chrome.
+ */
+
+abbr[title] {
+  border-bottom: 1px dotted;
+}
+
+/**
+ * Address style set to `bolder` in Firefox 4+, Safari, and Chrome.
+ */
+
+b,
+strong {
+  font-weight: bold;
+}
+
+/**
+ * Address styling not present in Safari and Chrome.
+ */
+
+dfn {
+  font-style: italic;
+}
+
+/**
+ * Address variable `h1` font-size and margin within `section` and `article`
+ * contexts in Firefox 4+, Safari, and Chrome.
+ */
+
+h1 {
+  font-size: 2em;
+  margin: 0.67em 0;
+}
+
+/**
+ * Address styling not present in IE 8/9.
+ */
+
+mark {
+  background: #ff0;
+  color: #000;
+}
+
+/**
+ * Address inconsistent and variable font size in all browsers.
+ */
+
+small {
+  font-size: 80%;
+}
+
+/**
+ * Prevent `sub` and `sup` affecting `line-height` in all browsers.
+ */
+
+sub,
+sup {
+  font-size: 75%;
+  line-height: 0;
+  position: relative;
+  vertical-align: baseline;
+}
+
+sup {
+  top: -0.5em;
+}
+
+sub {
+  bottom: -0.25em;
+}
+
+/* Embedded content
+   ========================================================================== */
+
+/**
+ * Remove border when inside `a` element in IE 8/9/10.
+ */
+
+img {
+  border: 0;
+}
+
+/**
+ * Correct overflow not hidden in IE 9/10/11.
+ */
+
+svg:not(:root) {
+  overflow: hidden;
+}
+
+/* Grouping content
+   ========================================================================== */
+
+/**
+ * Address margin not present in IE 8/9 and Safari.
+ */
+
+figure {
+  margin: 1em 40px;
+}
+
+/**
+ * Address differences between Firefox and other browsers.
+ */
+
+hr {
+  -moz-box-sizing: content-box;
+  box-sizing: content-box;
+  height: 0;
+}
+
+/**
+ * Contain overflow in all browsers.
+ */
+
+pre {
+  overflow: auto;
+}
+
+/**
+ * Address odd `em`-unit font size rendering in all browsers.
+ */
+
+code,
+kbd,
+pre,
+samp {
+  font-family: monospace, monospace;
+  font-size: 1em;
+}
+
+/* Forms
+   ========================================================================== */
+
+/**
+ * Known limitation: by default, Chrome and Safari on OS X allow very limited
+ * styling of `select`, unless a `border` property is set.
+ */
+
+/**
+ * 1. Correct color not being inherited.
+ *    Known issue: affects color of disabled elements.
+ * 2. Correct font properties not being inherited.
+ * 3. Address margins set differently in Firefox 4+, Safari, and Chrome.
+ */
+
+button,
+input,
+optgroup,
+select,
+textarea {
+  color: inherit; /* 1 */
+  font: inherit; /* 2 */
+  margin: 0; /* 3 */
+}
+
+/**
+ * Address `overflow` set to `hidden` in IE 8/9/10/11.
+ */
+
+button {
+  overflow: visible;
+}
+
+/**
+ * Address inconsistent `text-transform` inheritance for `button` and `select`.
+ * All other form control elements do not inherit `text-transform` values.
+ * Correct `button` style inheritance in Firefox, IE 8/9/10/11, and Opera.
+ * Correct `select` style inheritance in Firefox.
+ */
+
+button,
+select {
+  text-transform: none;
+}
+
+/**
+ * 1. Avoid the WebKit bug in Android 4.0.* where (2) destroys native `audio`
+ *    and `video` controls.
+ * 2. Correct inability to style clickable `input` types in iOS.
+ * 3. Improve usability and consistency of cursor style between image-type
+ *    `input` and others.
+ */
+
+button,
+html input[type="button"], /* 1 */
+input[type="reset"],
+input[type="submit"] {
+  -webkit-appearance: button; /* 2 */
+  cursor: pointer; /* 3 */
+}
+
+/**
+ * Re-set default cursor for disabled elements.
+ */
+
+button[disabled],
+html input[disabled] {
+  cursor: default;
+}
+
+/**
+ * Remove inner padding and border in Firefox 4+.
+ */
+
+button::-moz-focus-inner,
+input::-moz-focus-inner {
+  border: 0;
+  padding: 0;
+}
+
+/**
+ * Address Firefox 4+ setting `line-height` on `input` using `!important` in
+ * the UA stylesheet.
+ */
+
+input {
+  line-height: normal;
+}
+
+/**
+ * It's recommended that you don't attempt to style these elements.
+ * Firefox's implementation doesn't respect box-sizing, padding, or width.
+ *
+ * 1. Address box sizing set to `content-box` in IE 8/9/10.
+ * 2. Remove excess padding in IE 8/9/10.
+ */
+
+input[type="checkbox"],
+input[type="radio"] {
+  box-sizing: border-box; /* 1 */
+  padding: 0; /* 2 */
+}
+
+/**
+ * Fix the cursor style for Chrome's increment/decrement buttons. For certain
+ * `font-size` values of the `input`, it causes the cursor style of the
+ * decrement button to change from `default` to `text`.
+ */
+
+input[type="number"]::-webkit-inner-spin-button,
+input[type="number"]::-webkit-outer-spin-button {
+  height: auto;
+}
+
+/**
+ * 1. Address `appearance` set to `searchfield` in Safari and Chrome.
+ * 2. Address `box-sizing` set to `border-box` in Safari and Chrome
+ *    (include `-moz` to future-proof).
+ */
+
+input[type="search"] {
+  -webkit-appearance: textfield; /* 1 */
+  -moz-box-sizing: content-box;
+  -webkit-box-sizing: content-box; /* 2 */
+  box-sizing: content-box;
+}
+
+/**
+ * Remove inner padding and search cancel button in Safari and Chrome on OS X.
+ * Safari (but not Chrome) clips the cancel button when the search input has
+ * padding (and `textfield` appearance).
+ */
+
+input[type="search"]::-webkit-search-cancel-button,
+input[type="search"]::-webkit-search-decoration {
+  -webkit-appearance: none;
+}
+
+/**
+ * Define consistent border, margin, and padding.
+ */
+
+fieldset {
+  border: 1px solid #c0c0c0;
+  margin: 0 2px;
+  padding: 0.35em 0.625em 0.75em;
+}
+
+/**
+ * 1. Correct `color` not being inherited in IE 8/9/10/11.
+ * 2. Remove padding so people aren't caught out if they zero out fieldsets.
+ */
+
+legend {
+  border: 0; /* 1 */
+  padding: 0; /* 2 */
+}
+
+/**
+ * Remove default vertical scrollbar in IE 8/9/10/11.
+ */
+
+textarea {
+  overflow: auto;
+}
+
+/**
+ * Don't inherit the `font-weight` (applied by a rule above).
+ * NOTE: the default cannot safely be changed in Chrome and Safari on OS X.
+ */
+
+optgroup {
+  font-weight: bold;
+}
+
+/* Tables
+   ========================================================================== */
+
+/**
+ * Remove most spacing between table cells.
+ */
+
+table {
+  border-collapse: collapse;
+  border-spacing: 0;
+}
+
+td,
+th {
+  padding: 0;
+}
diff --git a/public/error_norewrite.html b/public/error_norewrite.html
new file mode 100644
index 0000000..d85a002
--- /dev/null
+++ b/public/error_norewrite.html
@@ -0,0 +1 @@
+<h1>The rewrite module is not enabled</h1>
diff --git a/public/error_unavailable.html b/public/error_unavailable.html
new file mode 100644
index 0000000..1c2df0e
--- /dev/null
+++ b/public/error_unavailable.html
@@ -0,0 +1,7 @@
+<h1>Backend unavailable</h1>
+<p>
+  It seems that the PHP FPM service is not running. Make sure to start PHP FPM service in order to access Icinga Web 2.
+  If you upgraded Icinga Web 2 recently, make sure to read the
+  <a href="https://icinga.com/docs/icingaweb2/latest/doc/02-Installation/">docs regarding PHP FPM</a>,
+  also locally available under <code>/usr/share/icingaweb2/doc/02-Installation.md</code>.
+</p>
diff --git a/public/font/ifont.eot b/public/font/ifont.eot
new file mode 100644
index 0000000..3a9092f
--- /dev/null
+++ b/public/font/ifont.eot
diff --git a/public/font/ifont.svg b/public/font/ifont.svg
new file mode 100644
index 0000000..2747b47
--- /dev/null
+++ b/public/font/ifont.svg
@@ -0,0 +1,286 @@
+<?xml version="1.0" standalone="no"?>
+<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
+<svg xmlns="http://www.w3.org/2000/svg">
+<metadata>Copyright (C) 2018 by original authors @ fontello.com</metadata>
+<defs>
+<font id="ifont" horiz-adv-x="1000" >
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diff --git a/public/img/icinga-logo.png b/public/img/icinga-logo.png
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diff --git a/public/img/icinga-logo.svg b/public/img/icinga-logo.svg
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diff --git a/public/img/icingaweb2-background.jpg b/public/img/icingaweb2-background.jpg
new file mode 100644
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new file mode 100644
index 0000000..eb03d2d
--- /dev/null
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diff --git a/public/img/icons/acknowledgement_petrol.png b/public/img/icons/acknowledgement_petrol.png
new file mode 100644
index 0000000..e8345ea
--- /dev/null
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diff --git a/public/img/icons/active_checks_disabled.png b/public/img/icons/active_checks_disabled.png
new file mode 100644
index 0000000..c21e445
--- /dev/null
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diff --git a/public/img/icons/active_checks_disabled_petrol.png b/public/img/icons/active_checks_disabled_petrol.png
new file mode 100644
index 0000000..5614589
--- /dev/null
+++ b/public/img/icons/active_checks_disabled_petrol.png
diff --git a/public/img/icons/active_passive_checks_disabled.png b/public/img/icons/active_passive_checks_disabled.png
new file mode 100644
index 0000000..664ecec
--- /dev/null
+++ b/public/img/icons/active_passive_checks_disabled.png
diff --git a/public/img/icons/active_passive_checks_disabled_petrol.png b/public/img/icons/active_passive_checks_disabled_petrol.png
new file mode 100644
index 0000000..c82bfd9
--- /dev/null
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diff --git a/public/img/icons/comment.png b/public/img/icons/comment.png
new file mode 100644
index 0000000..b7d88a0
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diff --git a/public/img/icons/comment_petrol.png b/public/img/icons/comment_petrol.png
new file mode 100644
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--- /dev/null
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new file mode 100644
index 0000000..fb52cd6
--- /dev/null
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diff --git a/public/img/icons/configuration_petrol.png b/public/img/icons/configuration_petrol.png
new file mode 100644
index 0000000..8168133
--- /dev/null
+++ b/public/img/icons/configuration_petrol.png
diff --git a/public/img/icons/create.png b/public/img/icons/create.png
new file mode 100644
index 0000000..b9bedf8
--- /dev/null
+++ b/public/img/icons/create.png
diff --git a/public/img/icons/create_petrol.png b/public/img/icons/create_petrol.png
new file mode 100644
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diff --git a/public/img/icons/csv.png b/public/img/icons/csv.png
new file mode 100644
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--- /dev/null
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diff --git a/public/img/icons/csv_petrol.png b/public/img/icons/csv_petrol.png
new file mode 100644
index 0000000..05d53f0
--- /dev/null
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diff --git a/public/img/icons/dashboard.png b/public/img/icons/dashboard.png
new file mode 100644
index 0000000..e5f9c09
--- /dev/null
+++ b/public/img/icons/dashboard.png
diff --git a/public/img/icons/dashboard_petrol.png b/public/img/icons/dashboard_petrol.png
new file mode 100644
index 0000000..04936ba
--- /dev/null
+++ b/public/img/icons/dashboard_petrol.png
diff --git a/public/img/icons/disabled.png b/public/img/icons/disabled.png
new file mode 100644
index 0000000..54d0364
--- /dev/null
+++ b/public/img/icons/disabled.png
diff --git a/public/img/icons/disabled_petrol.png b/public/img/icons/disabled_petrol.png
new file mode 100644
index 0000000..7319fb7
--- /dev/null
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diff --git a/public/img/icons/down.png b/public/img/icons/down.png
new file mode 100644
index 0000000..a844413
--- /dev/null
+++ b/public/img/icons/down.png
diff --git a/public/img/icons/down_petrol.png b/public/img/icons/down_petrol.png
new file mode 100644
index 0000000..dda1283
--- /dev/null
+++ b/public/img/icons/down_petrol.png
diff --git a/public/img/icons/downtime_end.png b/public/img/icons/downtime_end.png
new file mode 100644
index 0000000..e1d0d97
--- /dev/null
+++ b/public/img/icons/downtime_end.png
diff --git a/public/img/icons/downtime_end_petrol.png b/public/img/icons/downtime_end_petrol.png
new file mode 100644
index 0000000..5d0666b
--- /dev/null
+++ b/public/img/icons/downtime_end_petrol.png
diff --git a/public/img/icons/downtime_start.png b/public/img/icons/downtime_start.png
new file mode 100644
index 0000000..8e33280
--- /dev/null
+++ b/public/img/icons/downtime_start.png
diff --git a/public/img/icons/downtime_start__petrol.png b/public/img/icons/downtime_start__petrol.png
new file mode 100644
index 0000000..9d56acd
--- /dev/null
+++ b/public/img/icons/downtime_start__petrol.png
diff --git a/public/img/icons/edit.png b/public/img/icons/edit.png
new file mode 100644
index 0000000..00d8e29
--- /dev/null
+++ b/public/img/icons/edit.png
diff --git a/public/img/icons/edit_petrol.png b/public/img/icons/edit_petrol.png
new file mode 100644
index 0000000..8199b01
--- /dev/null
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diff --git a/public/img/icons/error.png b/public/img/icons/error.png
new file mode 100644
index 0000000..6245899
--- /dev/null
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diff --git a/public/img/icons/error_petrol.png b/public/img/icons/error_petrol.png
new file mode 100644
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--- /dev/null
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diff --git a/public/img/icons/error_white.png b/public/img/icons/error_white.png
new file mode 100644
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--- /dev/null
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diff --git a/public/img/icons/expand.png b/public/img/icons/expand.png
new file mode 100644
index 0000000..8ee1725
--- /dev/null
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diff --git a/public/img/icons/expand_petrol.png b/public/img/icons/expand_petrol.png
new file mode 100644
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--- /dev/null
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diff --git a/public/img/icons/flapping.png b/public/img/icons/flapping.png
new file mode 100644
index 0000000..4b253e0
--- /dev/null
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diff --git a/public/img/icons/flapping_petrol.png b/public/img/icons/flapping_petrol.png
new file mode 100644
index 0000000..c6d045a
--- /dev/null
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diff --git a/public/img/icons/history.png b/public/img/icons/history.png
new file mode 100644
index 0000000..db4520d
--- /dev/null
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diff --git a/public/img/icons/history_petrol.png b/public/img/icons/history_petrol.png
new file mode 100644
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--- /dev/null
+++ b/public/img/icons/history_petrol.png
diff --git a/public/img/icons/host.png b/public/img/icons/host.png
new file mode 100644
index 0000000..33e2f5d
--- /dev/null
+++ b/public/img/icons/host.png
diff --git a/public/img/icons/host_petrol.png b/public/img/icons/host_petrol.png
new file mode 100644
index 0000000..6568fe6
--- /dev/null
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diff --git a/public/img/icons/hostgroup.png b/public/img/icons/hostgroup.png
new file mode 100644
index 0000000..e71e3c9
--- /dev/null
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diff --git a/public/img/icons/hostgroup_petrol.png b/public/img/icons/hostgroup_petrol.png
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--- /dev/null
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diff --git a/public/img/icons/in_downtime.png b/public/img/icons/in_downtime.png
new file mode 100644
index 0000000..d609df6
--- /dev/null
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diff --git a/public/img/icons/in_downtime_petrol.png b/public/img/icons/in_downtime_petrol.png
new file mode 100644
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diff --git a/public/img/icons/json.png b/public/img/icons/json.png
new file mode 100644
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diff --git a/public/img/icons/json_petrol.png b/public/img/icons/json_petrol.png
new file mode 100644
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diff --git a/public/img/icons/logout.png b/public/img/icons/logout.png
new file mode 100644
index 0000000..b93487a
--- /dev/null
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diff --git a/public/img/icons/logout_petrol.png b/public/img/icons/logout_petrol.png
new file mode 100644
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--- /dev/null
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diff --git a/public/img/icons/next.png b/public/img/icons/next.png
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--- /dev/null
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diff --git a/public/img/icons/next_petrol.png b/public/img/icons/next_petrol.png
new file mode 100644
index 0000000..488df30
--- /dev/null
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diff --git a/public/img/icons/notification.png b/public/img/icons/notification.png
new file mode 100644
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--- /dev/null
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diff --git a/public/img/icons/notification_disabled.png b/public/img/icons/notification_disabled.png
new file mode 100644
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--- /dev/null
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diff --git a/public/img/icons/notification_disabled_petrol.png b/public/img/icons/notification_disabled_petrol.png
new file mode 100644
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--- /dev/null
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diff --git a/public/img/icons/notification_petrol.png b/public/img/icons/notification_petrol.png
new file mode 100644
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--- /dev/null
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diff --git a/public/img/icons/pdf.png b/public/img/icons/pdf.png
new file mode 100644
index 0000000..eefcef6
--- /dev/null
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diff --git a/public/img/icons/pdf_petrol.png b/public/img/icons/pdf_petrol.png
new file mode 100644
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diff --git a/public/img/icons/prev.png b/public/img/icons/prev.png
new file mode 100644
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--- /dev/null
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diff --git a/public/img/icons/prev_petrol.png b/public/img/icons/prev_petrol.png
new file mode 100644
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--- /dev/null
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diff --git a/public/img/icons/refresh.png b/public/img/icons/refresh.png
new file mode 100644
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--- /dev/null
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diff --git a/public/img/icons/refresh_petrol.png b/public/img/icons/refresh_petrol.png
new file mode 100644
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--- /dev/null
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diff --git a/public/img/icons/remove.png b/public/img/icons/remove.png
new file mode 100644
index 0000000..98ada74
--- /dev/null
+++ b/public/img/icons/remove.png
diff --git a/public/img/icons/remove_petrol.png b/public/img/icons/remove_petrol.png
new file mode 100644
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--- /dev/null
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diff --git a/public/img/icons/reschedule.png b/public/img/icons/reschedule.png
new file mode 100644
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--- /dev/null
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diff --git a/public/img/icons/reschedule_petrol.png b/public/img/icons/reschedule_petrol.png
new file mode 100644
index 0000000..3a24c90
--- /dev/null
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diff --git a/public/img/icons/save.png b/public/img/icons/save.png
new file mode 100644
index 0000000..2db2719
--- /dev/null
+++ b/public/img/icons/save.png
diff --git a/public/img/icons/save_petrol.png b/public/img/icons/save_petrol.png
new file mode 100644
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--- /dev/null
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diff --git a/public/img/icons/search.png b/public/img/icons/search.png
new file mode 100644
index 0000000..a66c3ca
--- /dev/null
+++ b/public/img/icons/search.png
diff --git a/public/img/icons/search_icinga_blue.png b/public/img/icons/search_icinga_blue.png
new file mode 100644
index 0000000..0a284ca
--- /dev/null
+++ b/public/img/icons/search_icinga_blue.png
diff --git a/public/img/icons/search_petrol.png b/public/img/icons/search_petrol.png
new file mode 100644
index 0000000..c02b702
--- /dev/null
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diff --git a/public/img/icons/search_white.png b/public/img/icons/search_white.png
new file mode 100644
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--- /dev/null
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diff --git a/public/img/icons/service.png b/public/img/icons/service.png
new file mode 100644
index 0000000..9df3b48
--- /dev/null
+++ b/public/img/icons/service.png
diff --git a/public/img/icons/service_petrol.png b/public/img/icons/service_petrol.png
new file mode 100644
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--- /dev/null
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diff --git a/public/img/icons/servicegroup.png b/public/img/icons/servicegroup.png
new file mode 100644
index 0000000..d4b87df
--- /dev/null
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diff --git a/public/img/icons/servicegroup_petrol.png b/public/img/icons/servicegroup_petrol.png
new file mode 100644
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--- /dev/null
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diff --git a/public/img/icons/softstate.png b/public/img/icons/softstate.png
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--- /dev/null
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diff --git a/public/img/icons/submit.png b/public/img/icons/submit.png
new file mode 100644
index 0000000..40e4826
--- /dev/null
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diff --git a/public/img/icons/submit_petrol.png b/public/img/icons/submit_petrol.png
new file mode 100644
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--- /dev/null
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diff --git a/public/img/icons/success.png b/public/img/icons/success.png
new file mode 100644
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--- /dev/null
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diff --git a/public/img/icons/success_petrol.png b/public/img/icons/success_petrol.png
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diff --git a/public/img/icons/tux.png b/public/img/icons/tux.png
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diff --git a/public/img/icons/uebersicht.png b/public/img/icons/uebersicht.png
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diff --git a/public/img/icons/unhandled_petrol.png b/public/img/icons/unhandled_petrol.png
new file mode 100644
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diff --git a/public/img/icons/up.png b/public/img/icons/up.png
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--- /dev/null
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diff --git a/public/img/icons/up_petrol.png b/public/img/icons/up_petrol.png
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diff --git a/public/img/icons/user.png b/public/img/icons/user.png
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--- /dev/null
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diff --git a/public/img/icons/user_petrol.png b/public/img/icons/user_petrol.png
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diff --git a/public/img/icons/win.png b/public/img/icons/win.png
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+                <g id="dark" transform="matrix(1,0,0,1.25,400,1.13864e-12)">
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+                    <g clip-path="url(#_clip3)">
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diff --git a/public/img/touch-icon.png b/public/img/touch-icon.png
new file mode 100644
index 0000000..c5d5fdd
--- /dev/null
+++ b/public/img/touch-icon.png
diff --git a/public/img/tree/tree-minus.gif b/public/img/tree/tree-minus.gif
new file mode 100644
index 0000000..551817e
--- /dev/null
+++ b/public/img/tree/tree-minus.gif
diff --git a/public/img/tree/tree-plus.gif b/public/img/tree/tree-plus.gif
new file mode 100644
index 0000000..72446cc
--- /dev/null
+++ b/public/img/tree/tree-plus.gif
diff --git a/public/img/website-icon.svg b/public/img/website-icon.svg
new file mode 100644
index 0000000..6ca6ee5
--- /dev/null
+++ b/public/img/website-icon.svg
@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?><!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
+<svg width="100%" height="100%" viewBox="0 0 16 16" version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" xml:space="preserve" style="fill-rule:evenodd;clip-rule:evenodd;stroke-linejoin:round;stroke-miterlimit:1.41421;">
+	<path d="M8.37,2.58c-0.126,-0.074 -0.241,-0.171 -0.339,-0.29c-0.436,-0.535 -0.356,-1.323 0.179,-1.759c0.535,-0.436 1.323,-0.355 1.759,0.179c0.436,0.535 0.356,1.323 -0.179,1.759c-0.276,0.225 -0.619,0.312 -0.947,0.271l-1.112,2.75c0.369,0.169 0.705,0.423 0.979,0.758c0.236,0.29 0.403,0.614 0.502,0.952l3.299,-1.008c-0.003,-0.022 -0.005,-0.044 -0.007,-0.067c-0.062,-0.825 0.557,-1.545 1.384,-1.608c0.825,-0.062 1.545,0.557 1.608,1.384c0.062,0.826 -0.558,1.546 -1.384,1.608c-0.63,0.047 -1.199,-0.302 -1.46,-0.838l-3.343,1.022c0.091,0.885 -0.251,1.797 -0.991,2.402c-0.031,0.024 -0.062,0.049 -0.093,0.072l0.629,1.051c0.292,-0.211 0.662,-0.317 1.048,-0.273c0.823,0.095 1.412,0.841 1.317,1.662c-0.097,0.823 -0.839,1.412 -1.662,1.319c-0.823,-0.096 -1.413,-0.84 -1.317,-1.663c0.029,-0.251 0.118,-0.481 0.252,-0.676l-0.694,-1.159c-0.806,0.397 -1.753,0.367 -2.526,-0.058l-1.839,2.234c0.316,0.324 0.525,0.758 0.561,1.246c0.083,1.101 -0.742,2.062 -1.844,2.144c-1.102,0.083 -2.062,-0.743 -2.144,-1.845c-0.083,-1.101 0.742,-2.061 1.845,-2.143c0.434,-0.033 0.847,0.075 1.192,0.287l1.814,-2.204c-0.138,-0.114 -0.268,-0.243 -0.385,-0.388c-0.805,-0.986 -0.806,-2.364 -0.086,-3.344l-1.849,-1.514c-0.031,0.02 -0.064,0.038 -0.098,0.055c-0.496,0.243 -1.094,0.037 -1.337,-0.459c-0.243,-0.495 -0.037,-1.094 0.459,-1.337c0.496,-0.243 1.094,-0.037 1.337,0.458c0.147,0.302 0.129,0.642 -0.019,0.917l1.839,1.506c0.046,-0.044 0.095,-0.086 0.145,-0.127c0.696,-0.567 1.587,-0.735 2.397,-0.531l1.11,-2.745Z" />
+</svg>
diff --git a/public/img/winter/logo_icinga_big_winter.png b/public/img/winter/logo_icinga_big_winter.png
new file mode 100644
index 0000000..9fbabd3
--- /dev/null
+++ b/public/img/winter/logo_icinga_big_winter.png
diff --git a/public/img/winter/snow1.png b/public/img/winter/snow1.png
new file mode 100644
index 0000000..034f5b5
--- /dev/null
+++ b/public/img/winter/snow1.png
diff --git a/public/img/winter/snow2.png b/public/img/winter/snow2.png
new file mode 100644
index 0000000..325487b
--- /dev/null
+++ b/public/img/winter/snow2.png
diff --git a/public/img/winter/snow3.png b/public/img/winter/snow3.png
new file mode 100644
index 0000000..5f40f16
--- /dev/null
+++ b/public/img/winter/snow3.png
diff --git a/public/index.php b/public/index.php
new file mode 100644
index 0000000..39a7891
--- /dev/null
+++ b/public/index.php
@@ -0,0 +1,4 @@
+<?php
+/* Icinga Web 2 | (c) 2013 Icinga Development Team | GPLv2+ */
+
+require_once dirname(__DIR__) . '/library/Icinga/Application/webrouter.php';
diff --git a/public/js/define.js b/public/js/define.js
new file mode 100644
index 0000000..a3ce8c6
--- /dev/null
+++ b/public/js/define.js
@@ -0,0 +1,118 @@
+/*! Icinga Web 2 | (c) 2020 Icinga GmbH | GPLv2+ */
+
+(function(window) {
+
+    'use strict';
+
+    /**
+     * Provide a reference to be later required by foreign code
+     *
+     * @param {string} name Optional, defaults to the name (and path) of the file
+     * @param {string[]} requirements Optional, list of required references, may be relative if from the same package
+     * @param {function} factory Required, function that accepts as many params as there are requirements and that
+     *                           produces a value to be referenced
+     */
+    var define = function (name, requirements, factory) {
+        define.defines[name] = {
+            requirements: requirements,
+            factory: factory,
+            ref: null
+        }
+
+        define.resolve(name);
+    }
+
+    /**
+     * Return whether the given name references a value
+     *
+     * @param {string} name The absolute name of the reference
+     * @return {boolean}
+     */
+    define.has = function (name) {
+        return name in define.defines && define.defines[name]['ref'] !== null;
+    }
+
+    /**
+     * Get the value of a reference
+     *
+     * @param {string} name The absolute name of the reference
+     * @return {*}
+     */
+    define.get = function (name) {
+        return define.defines[name]['ref'];
+    }
+
+    /**
+     * Set the value of a reference
+     *
+     * @param {string} name The absolute name of the reference
+     * @param {*} ref The value to reference
+     */
+    define.set = function (name, ref) {
+        define.defines[name]['ref'] = ref;
+    }
+
+    /**
+     * Resolve a reference and, if successful, dependent references
+     *
+     * @param {string} name The absolute name of the reference
+     * @return {boolean}
+     */
+    define.resolve = function (name) {
+        var requirements = define.defines[name]['requirements'];
+
+        var exports, ref;
+        var requiredRefs = [];
+        for (var i = 0; i < requirements.length; i++) {
+            if (define.has(requirements[i])) {
+                ref = define.get(requirements[i]);
+            } else if (requirements[i] === 'exports') {
+                exports = ref = {};
+            } else {
+                return false;
+            }
+
+            requiredRefs.push(ref);
+        }
+
+        var factory = define.defines[name]['factory'];
+        var resolved = factory.apply(null, requiredRefs);
+
+        if (typeof exports === 'object') {
+            if (typeof resolved !== 'undefined') {
+                throw new Error('Factory for ' + name + ' returned, although exports were populated');
+            }
+
+            resolved = exports;
+        }
+
+        define.set(name, resolved);
+
+        for (var definedName in define.defines) {
+            if (define.defines[definedName]['requirements'].indexOf(name) >= 0) {
+                define.resolve(definedName);
+            }
+        }
+    }
+
+    /**
+     * Require a reference
+     *
+     * @param {string} name The absolute name of the reference
+     * @return {*}
+     */
+    var require = function(name) {
+        if (define.has(name)) {
+            return define.get(name);
+        }
+
+        throw new ReferenceError(name + ' is not defined');
+    }
+
+    define.icinga = true;
+    define.defines = {};
+
+    window.define = define;
+    window.require = require;
+
+})(window);
diff --git a/public/js/helpers.js b/public/js/helpers.js
new file mode 100644
index 0000000..bcb2736
--- /dev/null
+++ b/public/js/helpers.js
@@ -0,0 +1,91 @@
+/*! Icinga Web 2 | (c) 2014 Icinga Development Team | GPLv2+ */
+
+/* jQuery Plugins */
+(function ($) {
+
+    'use strict';
+
+    /* Get data value or default */
+    $.fn.getData = function (name, fallback) {
+        var value = this.data(name);
+        if (typeof value !== 'undefined') {
+            return value;
+        }
+
+        return fallback;
+    };
+
+    /* Whether a HTML tag has a specific attribute */
+    $.fn.hasAttr = function(name) {
+        // We have inconsistent behaviour across browsers (false VS undef)
+        var val = this.attr(name);
+        return typeof val !== 'undefined' && val !== false;
+    };
+
+    /* Get class list */
+    $.fn.classes = function (callback) {
+
+        var classes = [];
+
+        $.each(this, function (i, el) {
+            var c = $(el).attr('class');
+            if (typeof c === 'string') {
+                $.each(c.split(/\s+/), function(i, p) {
+                    if (classes.indexOf(p) === -1) {
+                        classes.push(p);
+                    }
+                });
+            }
+        });
+
+        if (typeof callback === 'function') {
+            for (var i in classes) {
+                if (classes.hasOwnProperty(i)) {
+                    callback(classes[i]);
+                }
+            }
+        }
+
+        return classes;
+    };
+
+    /* Serialize form elements to an object */
+    $.fn.serializeObject = function()
+    {
+        var o = {};
+        var a = this.serializeArray();
+        $.each(a, function() {
+            if (o[this.name] !== undefined) {
+                if (!o[this.name].push) {
+                    o[this.name] = [o[this.name]];
+                }
+                o[this.name].push(this.value || '');
+            } else {
+                o[this.name] = this.value || '';
+            }
+        });
+        return o;
+    };
+
+    $.fn.offsetTopRelativeTo = function($ancestor) {
+        if (typeof $ancestor === 'undefined') {
+            return false;
+        }
+
+        var el = this[0];
+        var offset = el.offsetTop;
+        var $parent = $(el.offsetParent);
+
+        if ($parent.is('body') || $parent.is($ancestor)) {
+            return offset;
+        }
+
+        if (el.tagName === 'TR') {
+            // TODO: Didn't found a better way, this will probably break sooner or later
+            return $parent.offsetTopRelativeTo($ancestor);
+        }
+
+        return offset + $parent.offsetTopRelativeTo($ancestor);
+    };
+
+})(jQuery);
diff --git a/public/js/icinga.js b/public/js/icinga.js
new file mode 100644
index 0000000..e8b8bcc
--- /dev/null
+++ b/public/js/icinga.js
@@ -0,0 +1,279 @@
+/*! Icinga Web 2 | (c) 2014 Icinga Development Team | GPLv2+ */
+
+/**
+ * Icinga starts here.
+ *
+ * Usage example:
+ *
+ * <code>
+ * var icinga = new Icinga({
+ *   baseUrl: '/icinga',
+ * });
+ * </code>
+ */
+(function(window, $) {
+
+    'use strict';
+
+    var Icinga = function (config) {
+
+        this.initialized = false;
+
+        /**
+         * Our config object
+         */
+        this.config = config;
+
+        /**
+         * Icinga.Logger
+         */
+        this.logger = null;
+
+        /**
+         * Icinga.UI
+         */
+        this.ui = null;
+
+        /**
+         * Icinga.Loader
+         */
+        this.loader = null;
+
+        /**
+         * Icinga.Events
+         */
+        this.events = null;
+
+        /**
+         * Icinga.Timer
+         */
+        this.timer = null;
+
+        /**
+         * Icinga.History
+         */
+        this.history = null;
+
+        /**
+         * Icinga.Utils
+         */
+        this.utils = null;
+
+        /**
+         * Additional site behavior
+         */
+        this.behaviors = {};
+
+        /**
+         * Loaded modules
+         */
+        this.modules = {};
+
+        var _this = this;
+        $(document).ready(function () {
+            _this.initialize();
+            _this = null;
+        });
+    };
+
+    Icinga.prototype = {
+
+        /**
+         * Icinga startup, will be triggerd once the document is ready
+         */
+        initialize: function () {
+            if (this.initialized) {
+                return false;
+            }
+
+            this.timezone   = new Icinga.Timezone();
+            this.utils      = new Icinga.Utils(this);
+            this.logger     = new Icinga.Logger(this);
+            this.timer      = new Icinga.Timer(this);
+            this.ui         = new Icinga.UI(this);
+            this.loader     = new Icinga.Loader(this);
+            this.events     = new Icinga.Events(this);
+            this.history    = new Icinga.History(this);
+            var _this = this;
+            $.each(Icinga.Behaviors, function(name, Behavior) {
+                _this.behaviors[name.toLowerCase()] = new Behavior(_this);
+            });
+
+            this.timezone.initialize();
+            this.timer.initialize();
+            this.events.initialize();
+            this.history.initialize();
+            this.ui.initialize();
+            this.loader.initialize();
+
+            this.logger.info('Icinga is ready, running on jQuery ', $().jquery);
+            this.initialized = true;
+
+            // Trigger our own post-init event, `onLoad` is not reliable enough
+            $(document).trigger('icinga-init');
+        },
+
+        /**
+         * Load a given module by name
+         *
+         * @param   {string}    name
+         *
+         * @return  {boolean}
+         */
+        loadModule: function (name) {
+
+            if (this.isLoadedModule(name)) {
+                this.logger.error('Cannot load module ' + name + ' twice');
+                return false;
+            }
+
+            if (! this.hasModule(name)) {
+                this.logger.error('Cannot find module ' + name);
+                return false;
+            }
+
+            this.modules[name] = new Icinga.Module(
+                this,
+                name,
+                Icinga.availableModules[name]
+            );
+            return true;
+        },
+
+        /**
+         * Whether a module matching the given name exists or is loaded
+         *
+         * @param   {string}    name
+         *
+         * @return  {boolean}
+         */
+        hasModule: function (name) {
+            return this.isLoadedModule(name) ||
+                'undefined' !== typeof Icinga.availableModules[name];
+        },
+
+        /**
+         * Return whether the given module is loaded
+         *
+         * @param   {string}    name    The name of the module
+         *
+         * @returns {Boolean}
+         */
+        isLoadedModule: function (name) {
+            return 'undefined' !==  typeof this.modules[name];
+        },
+
+        /**
+         * Ensure we have loaded the javascript code for a module
+         *
+         * @param {string} moduleName
+         */
+        ensureModule: function(moduleName) {
+            if (this.hasModule(moduleName) && ! this.isLoadedModule(moduleName)) {
+                this.loadModule(moduleName);
+            }
+        },
+
+        /**
+         * If a container contains sub-containers for other modules,
+         * make sure the javascript code for each module is loaded.
+         *
+         * Containers are identified by "data-icinga-module" which
+         * holds the module name.
+         *
+         * @param container
+         */
+        ensureSubModules: function (container) {
+            var icinga = this;
+
+            $(container).find('[data-icinga-module]').each(function () {
+                var moduleName = $(this).data('icingaModule');
+                if (moduleName) {
+                    icinga.ensureModule(moduleName);
+                }
+            });
+        },
+
+        /**
+         * Get a module by name
+         *
+         * @param   {string}    name
+         *
+         * @return  {object}
+         */
+        module: function (name) {
+
+            if (this.hasModule(name) && !this.isLoadedModule(name)) {
+                this.modules[name] = new Icinga.Module(
+                    this,
+                    name,
+                    Icinga.availableModules[name]
+                );
+            }
+
+            return this.modules[name];
+        },
+
+        /**
+         * Clean up and unload all Icinga components
+         */
+        destroy: function () {
+
+            $.each(this.modules, function (name, module) {
+                module.destroy();
+            });
+
+            this.timezone.destroy();
+            this.timer.destroy();
+            this.events.destroy();
+            this.loader.destroy();
+            this.ui.destroy();
+            this.logger.debug('Icinga has been destroyed');
+            this.logger.destroy();
+            this.utils.destroy();
+
+            this.modules = [];
+            this.timer = this.events = this.loader = this.ui = this.logger =
+                this.utils = null;
+            this.initialized = false;
+        },
+
+        reload: function () {
+            setTimeout(function () {
+                var oldjQuery = window.jQuery;
+                var oldConfig = window.icinga.config;
+                var oldIcinga = window.Icinga;
+                window.icinga.destroy();
+                window.Icinga = undefined;
+                window.$ = undefined;
+                window.jQuery = undefined;
+                jQuery = undefined;
+                $ = undefined;
+
+                oldjQuery.getScript(
+                    oldConfig.baseUrl.replace(/\/$/, '') + '/js/icinga.min.js'
+                ).done(function () {
+                    var jQuery = window.jQuery;
+                    window.icinga = new window.Icinga(oldConfig);
+                    window.icinga.initialize();
+                    window.icinga.ui.reloadCss();
+                    oldjQuery = undefined;
+                    oldConfig = undefined;
+                    oldIcinga = undefined;
+                }).fail(function () {
+                    window.jQuery = oldjQuery;
+                    window.$ = window.jQuery;
+                    window.Icinga = oldIcinga;
+                    window.icinga = new Icinga(oldConfig);
+                    window.icinga.ui.reloadCss();
+                });
+            }, 0);
+        }
+
+    };
+
+    window.Icinga = Icinga;
+
+    Icinga.availableModules = {};
+
+})(window, jQuery);
diff --git a/public/js/icinga/behavior/actiontable.js b/public/js/icinga/behavior/actiontable.js
new file mode 100644
index 0000000..0f914f7
--- /dev/null
+++ b/public/js/icinga/behavior/actiontable.js
@@ -0,0 +1,498 @@
+/* Icinga Web 2 | (c) 2015 Icinga Development Team | GPLv2+ */
+
+/**
+ * Icinga.Behavior.ActionTable
+ *
+ * A multi selection that distincts between the table rows using the row action URL filter
+ */
+(function(Icinga, $) {
+
+    "use strict";
+
+    /**
+     * Remove one leading and trailing bracket and all text outside those brackets
+     *
+     * @param   str     {String}
+     * @returns         {string}
+     */
+    var stripBrackets = function (str) {
+        return str.replace(/^[^\(]*\(/, '').replace(/\)[^\)]*$/, '');
+    };
+
+    /**
+     * Parse the filter query contained in the given url filter string
+     *
+     * @param   filterString    {String}
+     *
+     * @returns                 {Array}   An object containing each row filter
+     */
+    var parseSelectionQuery = function(filterString) {
+        var selections = [];
+        $.each(stripBrackets(filterString).split('|'), function(i, row) {
+            var tuple = {};
+            $.each(stripBrackets(row).split('&'), function(i, keyValue) {
+                var s = keyValue.split('=');
+                tuple[s[0]] = decodeURIComponent(s[1]);
+            });
+            selections.push(tuple);
+        });
+        return selections;
+    };
+
+    /**
+     * Handle the selection of an action table
+     *
+     * @param   table   {HTMLElement}   The table
+     * @param   icinga  {Icinga}
+     *
+     * @constructor
+     */
+    var Selection = function(table, icinga) {
+        this.$el = $(table);
+        this.icinga = icinga;
+        this.col = this.$el.closest('div.container').attr('id');
+
+        if (this.hasMultiselection()) {
+            if (! this.getMultiselectionKeys().length) {
+                icinga.logger.error('multiselect table has no data-icinga-multiselect-data');
+            }
+            if (! this.getMultiselectionUrl()) {
+                icinga.logger.error('multiselect table has no data-icinga-multiselect-url');
+            }
+        }
+    };
+
+    Selection.prototype = {
+
+        /**
+         * The container id in which this selection happens
+         */
+        col: null,
+
+        /**
+         * Return all rows as jQuery selector
+         *
+         * @returns         {jQuery}
+         */
+        rows: function() {
+            return this.$el.find('tr');
+        },
+
+        /**
+         * Return all row action links as jQuery selector
+         *
+         * @returns         {jQuery}
+         */
+        rowActions: function() {
+            return this.$el.find('tr[href]');
+        },
+
+        /**
+         * Return all selected rows as jQuery selector
+         *
+         * @returns         {jQuery}
+         */
+        selections: function() {
+            return this.$el.find('tr.active');
+        },
+
+        /**
+         * If this selection allows selecting multiple rows
+         *
+         * @returns         {Boolean}
+         */
+        hasMultiselection: function() {
+            return this.$el.hasClass('multiselect');
+        },
+
+        /**
+         * Return all filter keys that are significant when applying the selection
+         *
+         * @returns         {Array}
+         */
+        getMultiselectionKeys: function() {
+            var data = this.$el.data('icinga-multiselect-data');
+            return (data && data.split(',')) || [];
+        },
+
+        /**
+         * Return the main target URL that is used when multi selecting rows
+         *
+         * This URL may differ from the url that is used when applying single rows
+         *
+         * @returns         {String}
+         */
+        getMultiselectionUrl: function() {
+            return this.$el.data('icinga-multiselect-url');
+        },
+
+        /**
+         * Check whether the given url is
+         *
+         * @param {String}  url
+         */
+        hasMultiselectionUrl: function(url) {
+            var urls = this.$el.data('icinga-multiselect-url').split(' ');
+
+            var related = this.$el.data('icinga-multiselect-controllers');
+            if (related && related.length) {
+                urls = urls.concat(this.$el.data('icinga-multiselect-controllers').split(' '));
+            }
+
+            var hasSelection = false;
+            $.each(urls, function (i, object) {
+                if (url.indexOf(object) === 0) {
+                    hasSelection = true;
+                }
+            });
+            return hasSelection;
+        },
+
+        /**
+         * Read all filter data from the given row
+         *
+         * @param   row     {jQuery}    The row element
+         *
+         * @returns         {Object}    An object containing all filter data in this row as key-value pairs
+         */
+        getRowData: function(row) {
+            var params = this.icinga.utils.parseUrl(row.attr('href')).params;
+            var tuple = {};
+            var keys = this.getMultiselectionKeys();
+            for (var i = 0; i < keys.length; i++) {
+                var key = keys[i];
+                for (var j = 0; j < params.length; j++) {
+                    if (params[j].key === key && (params[j].value || params[j].value === null)) {
+                        tuple[key] = params[j].value ? decodeURIComponent(params[j].value): params[j].value;
+                        break;
+                    }
+                }
+            }
+            return tuple;
+        },
+
+        /**
+         * Deselect all selected rows
+         */
+        clear: function() {
+            this.selections().removeClass('active');
+        },
+
+        /**
+         * Add all rows that match the given filter to the selection
+         *
+         * @param filter {jQuery|Object}    Either an object containing filter variables or the actual row to select
+         */
+        select: function(filter) {
+            if (filter instanceof jQuery) {
+                filter.addClass('active');
+                return;
+            }
+            var _this = this;
+            this.rowActions()
+                .filter(
+                    function (i, el) {
+                        return _this.icinga.utils.objectsEqual(_this.getRowData($(el)), filter);
+                    }
+                )
+                .closest('tr')
+                .addClass('active');
+        },
+
+        /**
+         * Toggle the selection of the row between on and off
+         *
+         * @param   row     {jQuery}    The row to toggle
+         */
+        toggle: function(row) {
+            row.toggleClass('active');
+        },
+
+        /**
+         * Add a new selection range to the closest table, using the selected row as
+         * range target.
+         *
+         * @param   row     {jQuery}    The target of the selected range.
+         *
+         * @returns         {boolean}   If the selection was changed.
+         */
+        range: function(row) {
+            var from, to;
+            var selected = row.first().get(0);
+            this.rows().each(function(i, el) {
+                if ($(el).hasClass('active') || el === selected) {
+                    if (!from) {
+                        from = el;
+                    }
+                    to = el;
+                }
+            });
+            var inRange = false;
+            this.rows().each(function(i, el) {
+                if (el === from) {
+                    inRange = true;
+                }
+                if (inRange) {
+                    $(el).addClass('active');
+                }
+                if (el === to) {
+                    inRange = false;
+                }
+            });
+            return false;
+        },
+
+        /**
+         * Select rows that target the given url
+         *
+         * @param   url     {String}    The target url
+         */
+        selectUrl: function(url) {
+            var formerHref = this.$el.closest('.container').data('icinga-actiontable-former-href')
+
+            var $row = this.rows().filter('[href="' + url + '"]');
+
+            if ($row.length) {
+               this.clear();
+               $row.addClass('active');
+            } else {
+                if (this.col !== 'col2') {
+                    // rows sometimes need to be displayed as active when related actions
+                    // like command actions are being opened. Do not do this for col2, as it
+                    // would always select the opened URL itself.
+                    var $row = this.rows().filter('[href$="' + icinga.utils.parseUrl(url).query + '"]');
+                    if ($row.length) {
+                        this.clear();
+                        $row.addClass('active');
+                    } else {
+                        var $row = this.rows().filter('[href$="' + formerHref + '"]');
+                        if ($row.length) {
+                            this.clear();
+                            $row.addClass('active');
+                        } else {
+                            var tbl = this.$el;
+                            if (ActionTable.prototype.tables(
+                                tbl.closest('.dashboard').find('.container')).not(tbl).find('tr.active').length
+                            ) {
+                                this.clear();
+                            }
+                        }
+                    }
+                }
+            }
+        },
+
+        /**
+         * Convert all currently selected rows into an url query string
+         *
+         * @returns         {String}    The filter string
+         */
+        toQuery: function() {
+            var _this = this;
+            var selections = this.selections();
+            var queries = [];
+            var utils = this.icinga.utils;
+            if (selections.length === 1) {
+                return $(selections[0]).attr('href');
+            } else if (selections.length > 1 && _this.hasMultiselection()) {
+                selections.each(function (i, el) {
+                    var parts = [];
+                    $.each(_this.getRowData($(el)), function(key, value) {
+                        var condition = utils.fixedEncodeURIComponent(key);
+                        if (value !== null) {
+                            condition += '=' + utils.fixedEncodeURIComponent(value);
+                        }
+
+                        parts.push(condition);
+                    });
+                    queries.push('(' + parts.join('&') + ')');
+                });
+                return _this.getMultiselectionUrl() + '?(' + queries.join('|') + ')';
+            } else {
+                return '';
+            }
+        },
+
+        /**
+         * Refresh the displayed active columns using the current page location
+         */
+        refresh: function() {
+            var hash = icinga.history.getCol2State().replace(/^#!/, '');
+            if (this.hasMultiselection()) {
+                var query = parseSelectionQuery(hash);
+                if (query.length > 1 && this.hasMultiselectionUrl(this.icinga.utils.parseUrl(hash).path)) {
+                    this.clear();
+                    // select all rows with matching filters
+                    var _this = this;
+                    $.each(query, function(i, selection) {
+                        _this.select(selection);
+                    });
+                }
+                if (query.length > 1) {
+                    return;
+                }
+            }
+            this.selectUrl(hash);
+        }
+    };
+
+    Icinga.Behaviors = Icinga.Behaviors || {};
+
+    var ActionTable = function (icinga) {
+        Icinga.EventListener.call(this, icinga);
+
+        /**
+         * If currently loading
+         *
+         * @var Boolean
+         */
+        this.loading = false;
+
+        this.on('rendered', '#main .container', this.onRendered, this);
+        this.on('beforerender', '#main .container', this.beforeRender, this);
+        this.on('click', 'table.action tr[href], table.table-row-selectable tr[href]', this.onRowClicked, this);
+    };
+    ActionTable.prototype = new Icinga.EventListener();
+
+    /**
+     * Return all active tables in this table, or in the context as jQuery selector
+     *
+     * @param   context   {HTMLElement}
+     * @returns           {jQuery}
+     */
+    ActionTable.prototype.tables = function(context) {
+        if (context) {
+            return $(context).find('table.action, table.table-row-selectable');
+        }
+        return $('table.action, table.table-row-selectable');
+    };
+
+    /**
+     * Handle clicks on table rows and update selection and history
+     */
+    ActionTable.prototype.onRowClicked = function (event) {
+        var _this = event.data.self;
+        var $target = $(event.target);
+        var $tr = $(event.currentTarget);
+        var table = new Selection($tr.closest('table.action, table.table-row-selectable')[0], _this.icinga);
+
+        if ($tr.closest('[data-no-icinga-ajax]').length > 0) {
+            return true;
+        }
+
+        // some rows may contain form actions that trigger a different action, pass those through
+        if (!$target.hasClass('rowaction') && $target.closest('form').length &&
+            ($target.closest('a').length ||                                         // allow regular link clinks
+             $target.closest('button').length ||                                    // allow submitting forms
+             $target.closest('input').length || $target.closest('label').length)) { // allow selecting form elements
+            return;
+        }
+
+        event.stopPropagation();
+        event.preventDefault();
+
+        // update selection
+        if (table.hasMultiselection()) {
+            if (event.ctrlKey || event.metaKey) {
+                // add to selection
+                table.toggle($tr);
+            } else if (event.shiftKey) {
+                // range selection
+                table.range($tr);
+            } else {
+                // single selection
+                table.clear();
+                table.select($tr);
+            }
+        } else {
+            table.clear();
+            table.select($tr);
+        }
+
+        var count = table.selections().length;
+        if (count > 0) {
+            var query = table.toQuery();
+            _this.icinga.loader.loadUrl(query, _this.icinga.loader.getLinkTargetFor($tr));
+        } else {
+            if (_this.icinga.loader.getLinkTargetFor($tr).attr('id') === 'col2') {
+                _this.icinga.ui.layout1col();
+            }
+        }
+
+        // redraw all table selections
+        _this.tables().each(function () {
+            new Selection(this, _this.icinga).refresh();
+        });
+
+        // update selection info
+        $('.selection-info-count').text(count);
+        return false;
+    };
+
+    /**
+     * Render the selection and prepare selection rows
+     */
+    ActionTable.prototype.onRendered = function(evt) {
+        var container = evt.target;
+        var _this = evt.data.self;
+
+        if (evt.currentTarget !== container) {
+            // Nested containers are not processed multiple times
+            return;
+        }
+
+        // initialize all rows with the correct row action
+        $('table.action tr, table.table-row-selectable tr', container).each(function(idx, el) {
+
+            // decide which row action to use: links declared with the class rowaction take
+            // the highest precedence before hrefs defined in the tr itself and regular links
+            var $a = $('a[href].rowaction', el).first();
+            if ($a.length) {
+                $(el).attr('href', $a.attr('href'));
+                return;
+            }
+            if ($(el).attr('href') && $(el).attr('href').length) {
+                return;
+            }
+            $a = $('a[href]', el).first();
+            if ($a.length) {
+                $(el).attr('href', $a.attr('href'));
+            }
+        });
+
+        // draw all active selections that have disappeared on reload
+        _this.tables().each(function(i, el) {
+            new Selection(el, _this.icinga).refresh();
+        });
+
+        // update displayed selection counter
+        var table = new Selection(_this.tables(container).first());
+        $(container).find('.selection-info-count').text(table.selections().length);
+    };
+
+    ActionTable.prototype.beforeRender = function(evt) {
+        var container = evt.target;
+        var _this = evt.data.self;
+
+        if (evt.currentTarget !== container) {
+            // Nested containers are not processed multiple times
+            return;
+        }
+
+        var active = _this.tables().find('tr.active');
+        if (active.length) {
+            $(container).data('icinga-actiontable-former-href', active.attr('href'));
+        }
+    };
+
+    ActionTable.prototype.clearAll = function () {
+        var _this = this;
+        this.tables().each(function () {
+            new Selection(this, _this.icinga).clear();
+        });
+        $('.selection-info-count').text('0');
+    };
+
+    Icinga.Behaviors.ActionTable = ActionTable;
+
+}) (Icinga, jQuery);
diff --git a/public/js/icinga/behavior/application-state.js b/public/js/icinga/behavior/application-state.js
new file mode 100644
index 0000000..213c96c
--- /dev/null
+++ b/public/js/icinga/behavior/application-state.js
@@ -0,0 +1,40 @@
+/*! Icinga Web 2 | (c) 2015 Icinga Development Team | GPLv2+ */
+
+(function(Icinga, $) {
+
+    'use strict';
+
+    Icinga.Behaviors = Icinga.Behaviors || {};
+
+    var ApplicationState = function (icinga) {
+        Icinga.EventListener.call(this, icinga);
+        this.on('rendered', '#layout', this.onRendered, this);
+        this.icinga = icinga;
+    };
+
+    ApplicationState.prototype = new Icinga.EventListener();
+
+    ApplicationState.prototype.onRendered = function(e) {
+        if (e.currentTarget !== e.target) {
+            // Nested containers are ignored
+            return;
+        }
+
+        if (! $('#application-state').length
+            && ! $('#login').length
+            && ! $('#guest-error').length
+            && ! $('#setup').length
+        ) {
+            var _this = e.data.self;
+
+            $('#layout').append(
+                '<div id="application-state" class="container" style="display: none" data-icinga-url="'
+                + _this.icinga.loader.baseUrl
+                + '/application-state" data-icinga-refresh="60"></div>'
+            );
+        }
+    };
+
+    Icinga.Behaviors.ApplicationState = ApplicationState;
+
+})(Icinga, jQuery);
diff --git a/public/js/icinga/behavior/autofocus.js b/public/js/icinga/behavior/autofocus.js
new file mode 100644
index 0000000..e131d9e
--- /dev/null
+++ b/public/js/icinga/behavior/autofocus.js
@@ -0,0 +1,28 @@
+/*! Icinga Web 2 | (c) 2015 Icinga Development Team | GPLv2+ */
+
+(function(Icinga, $) {
+
+    'use strict';
+
+    Icinga.Behaviors = Icinga.Behaviors || {};
+
+    var Autofocus = function (icinga) {
+        Icinga.EventListener.call(this, icinga);
+        this.on('rendered', this.onRendered, this);
+    };
+
+    Autofocus.prototype = new Icinga.EventListener();
+
+    Autofocus.prototype.onRendered = function(e) {
+        setTimeout(function() {
+            if (document.activeElement === e.target
+                || document.activeElement === document.body
+            ) {
+                e.data.self.icinga.ui.focusElement($(e.target).find('.autofocus'));
+            }
+        }, 0);
+    };
+
+    Icinga.Behaviors.Autofocus = Autofocus;
+
+})(Icinga, jQuery);
diff --git a/public/js/icinga/behavior/collapsible.js b/public/js/icinga/behavior/collapsible.js
new file mode 100644
index 0000000..c0b5349
--- /dev/null
+++ b/public/js/icinga/behavior/collapsible.js
@@ -0,0 +1,463 @@
+/*! Icinga Web 2 | (c) 2019 Icinga GmbH | GPLv2+ */
+
+;(function(Icinga) {
+
+    'use strict';
+
+    Icinga.Behaviors = Icinga.Behaviors || {};
+
+    let $ = window.$;
+
+    try {
+        $ = require('icinga/icinga-php-library/notjQuery');
+    } catch (e) {
+        console.warn('[Collapsible] notjQuery unavailable. Using jQuery for now');
+    }
+
+    /**
+     * Behavior for collapsible containers.
+     *
+     * @param  icinga  Icinga  The current Icinga Object
+     */
+    class Collapsible extends Icinga.EventListener {
+        constructor(icinga) {
+            super(icinga);
+
+            this.on('layout-change', this.onLayoutChange, this);
+            this.on('rendered', '#main > .container, #modal-content', this.onRendered, this);
+            this.on('click', '.collapsible + .collapsible-control, .collapsible .collapsible-control',
+                this.onControlClicked, this);
+
+            this.icinga = icinga;
+            this.defaultVisibleRows = 2;
+            this.defaultVisibleHeight = 36;
+
+            this.state = new Icinga.Storage.StorageAwareMap.withStorage(
+                Icinga.Storage.BehaviorStorage('collapsible'),
+                'expanded'
+            )
+                .on('add', this.onExpand, this)
+                .on('delete', this.onCollapse, this);
+        }
+
+        /**
+         * Initializes all collapsibles. Triggered on rendering of a container.
+         *
+         * @param event  Event  The `onRender` event triggered by the rendered container
+         */
+        onRendered(event) {
+            let _this = event.data.self,
+                toCollapse = [],
+                toExpand = [];
+
+            event.target.querySelectorAll('.collapsible').forEach(collapsible => {
+                // Assumes that any newly rendered elements are expanded
+                if (! ('canCollapse' in collapsible.dataset) && _this.canCollapse(collapsible)) {
+                    if (_this.setupCollapsible(collapsible)) {
+                        toCollapse.push([collapsible, _this.calculateCollapsedHeight(collapsible)]);
+                    } else if (_this.isDetails(collapsible)) {
+                        // Except if it's a <details> element, which may not be expanded by default
+                        toExpand.push(collapsible);
+                    }
+                }
+            });
+
+            // Elements are all collapsed in a row now, after height calculations are done.
+            // This avoids reflows since instantly collapsing an element will cause one if
+            // the height of the next element is being calculated.
+            for (const collapseInfo of toCollapse) {
+                _this.collapse(collapseInfo[0], collapseInfo[1]);
+            }
+
+            for (const collapsible of toExpand) {
+                _this.expand(collapsible);
+            }
+        }
+
+        /**
+         * Updates all collapsibles.
+         *
+         * @param event  Event  The `layout-change` event triggered by window resizing or column changes
+         */
+        onLayoutChange(event) {
+            let _this = event.data.self;
+            let toCollapse = [];
+
+            document.querySelectorAll('.collapsible').forEach(collapsible => {
+                if ('canCollapse' in collapsible.dataset) {
+                    if (! _this.canCollapse(collapsible)) {
+                        let toggleSelector = collapsible.dataset.toggleElement;
+                        if (! this.isDetails(collapsible)) {
+                            if (! toggleSelector) {
+                                collapsible.nextElementSibling.remove();
+                            } else {
+                                let toggle = document.getElementById(toggleSelector);
+                                if (toggle) {
+                                    toggle.classList.remove('collapsed');
+                                    delete toggle.dataset.canCollapse;
+                                }
+                            }
+                        }
+
+                        delete collapsible.dataset.canCollapse;
+                        _this.expand(collapsible);
+                    }
+                } else if (_this.canCollapse(collapsible) && _this.setupCollapsible(collapsible)) {
+                    // It's expanded but shouldn't
+                    toCollapse.push([collapsible, _this.calculateCollapsedHeight(collapsible)]);
+                }
+            });
+
+            setTimeout(function () {
+                for (const collapseInfo of toCollapse) {
+                    _this.collapse(collapseInfo[0], collapseInfo[1]);
+                }
+            }, 0);
+        }
+
+        /**
+         * A collapsible got expanded in another window, try to apply this here as well
+         *
+         * @param   {string}    collapsiblePath
+         */
+        onExpand(collapsiblePath) {
+            let collapsible = document.querySelector(collapsiblePath);
+
+            if (collapsible && 'canCollapse' in collapsible.dataset) {
+                if ('stateCollapses' in collapsible.dataset) {
+                    this.collapse(collapsible, this.calculateCollapsedHeight(collapsible));
+                } else {
+                    this.expand(collapsible);
+                }
+            }
+        }
+
+        /**
+         * A collapsible got collapsed in another window, try to apply this here as well
+         *
+         * @param   {string}    collapsiblePath
+         */
+        onCollapse(collapsiblePath) {
+            let collapsible = document.querySelector(collapsiblePath);
+
+            if (collapsible && this.canCollapse(collapsible)) {
+                if ('stateCollapses' in collapsible.dataset) {
+                    this.expand(collapsible);
+                } else {
+                    this.collapse(collapsible, this.calculateCollapsedHeight(collapsible));
+                }
+            }
+        }
+
+        /**
+         * Event handler for toggling collapsibles. Switches the collapsed state of the respective container.
+         *
+         * @param event  Event  The `onClick` event triggered by the clicked collapsible-control element
+         */
+        onControlClicked(event) {
+            let _this = event.data.self,
+                target = event.currentTarget;
+
+            let collapsible = target.previousElementSibling;
+            if ('collapsibleAt' in target.dataset) {
+                collapsible = document.querySelector(target.dataset.collapsibleAt);
+            } else if (! collapsible) {
+                collapsible = target.closest('.collapsible');
+            }
+
+            if (! collapsible) {
+                _this.icinga.logger.error(
+                    '[Collapsible] Collapsible control has no associated .collapsible: ', target);
+
+                return;
+            } else if ('noPersistence' in collapsible.dataset) {
+                if (collapsible.classList.contains('collapsed')) {
+                    _this.expand(collapsible);
+                } else {
+                    _this.collapse(collapsible, _this.calculateCollapsedHeight(collapsible));
+                }
+            } else {
+                let collapsiblePath = _this.icinga.utils.getCSSPath(collapsible),
+                    stateCollapses = 'stateCollapses' in collapsible.dataset;
+
+                if (_this.state.has(collapsiblePath)) {
+                    _this.state.delete(collapsiblePath);
+
+                    if (stateCollapses) {
+                        _this.expand(collapsible);
+                    } else {
+                        _this.collapse(collapsible, _this.calculateCollapsedHeight(collapsible));
+                    }
+                } else {
+                    _this.state.set(collapsiblePath);
+
+                    if (stateCollapses) {
+                        _this.collapse(collapsible, _this.calculateCollapsedHeight(collapsible));
+                    } else {
+                        _this.expand(collapsible);
+                    }
+                }
+            }
+
+            if (_this.isDetails(collapsible)) {
+                // The browser handles these clicks as well, and would toggle the state again
+                event.preventDefault();
+            }
+        }
+
+        /**
+         * Setup the given collapsible
+         *
+         * @param collapsible  The given collapsible container element
+         *
+         * @returns {boolean}  Whether it needs to collapse or not
+         */
+        setupCollapsible(collapsible) {
+            if (this.isDetails(collapsible)) {
+                let summary = collapsible.querySelector(':scope > summary');
+                if (! summary.classList.contains('collapsible-control')) {
+                    summary.classList.add('collapsible-control');
+                }
+
+                if (collapsible.open) {
+                    collapsible.dataset.stateCollapses = '';
+                }
+            } else if (!! collapsible.dataset.toggleElement) {
+                let toggleSelector = collapsible.dataset.toggleElement,
+                    toggle = collapsible.querySelector(toggleSelector),
+                    externalToggle = false;
+                if (! toggle) {
+                    if (collapsible.nextElementSibling && collapsible.nextElementSibling.matches(toggleSelector)) {
+                        toggle = collapsible.nextElementSibling;
+                    } else {
+                        externalToggle = true;
+                        toggle = document.getElementById(toggleSelector);
+                    }
+                }
+
+                if (! toggle) {
+                    if (externalToggle) {
+                        this.icinga.logger.error(
+                            '[Collapsible] External control with id `'
+                                + toggleSelector
+                                + '` not found for .collapsible',
+                            collapsible
+                        );
+                    } else {
+                        this.icinga.logger.error(
+                            '[Collapsible] Control `' + toggleSelector + '` not found in .collapsible', collapsible);
+                    }
+
+                    return false;
+                } else if (externalToggle) {
+                    collapsible.dataset.hasExternalToggle = '';
+
+                    toggle.dataset.canCollapse = '';
+                    toggle.dataset.collapsibleAt = this.icinga.utils.getCSSPath(collapsible);
+                    $(toggle).on('click', e => {
+                        // Only required as onControlClicked() is compatible with Icinga.EventListener
+                        e.data = { self: this };
+                        this.onControlClicked(e);
+                    });
+                } else if (! toggle.classList.contains('collapsible-control')) {
+                    toggle.classList.add('collapsible-control');
+                }
+            } else {
+                setTimeout(function () {
+                    let collapsibleControl = document
+                        .getElementById('collapsible-control-ghost')
+                        .cloneNode(true);
+                    collapsibleControl.removeAttribute('id');
+                    collapsible.parentNode.insertBefore(collapsibleControl, collapsible.nextElementSibling);
+                }, 0);
+            }
+
+            collapsible.dataset.canCollapse = '';
+
+            if ('noPersistence' in collapsible.dataset) {
+                return ! ('stateCollapses' in collapsible.dataset);
+            }
+
+            if ('stateCollapses' in collapsible.dataset) {
+                return this.state.has(this.icinga.utils.getCSSPath(collapsible));
+            } else {
+                return ! this.state.has(this.icinga.utils.getCSSPath(collapsible));
+            }
+        }
+
+        /**
+         * Return an appropriate row element selector
+         *
+         * @param collapsible  The given collapsible container element
+         *
+         * @returns {string}
+         */
+        getRowSelector(collapsible) {
+            if (!! collapsible.dataset.visibleHeight) {
+                return '';
+            }
+
+            if (collapsible.tagName === 'TABLE') {
+                return ':scope > tbody > tr';
+            } else if (collapsible.tagName === 'UL' || collapsible.tagName === 'OL') {
+                return ':scope > li:not(.collapsible-control)';
+            }
+
+            return '';
+        }
+
+        /**
+         * Check whether the given collapsible needs to collapse
+         *
+         * @param collapsible  The given collapsible container element
+         *
+         * @returns {boolean}
+         */
+        canCollapse(collapsible) {
+            if (this.isDetails(collapsible)) {
+                return collapsible.querySelector(':scope > summary') !== null;
+            }
+
+            let rowSelector = this.getRowSelector(collapsible);
+            if (!! rowSelector) {
+                let visibleRows = Number(collapsible.dataset.visibleRows);
+                if (isNaN(visibleRows)) {
+                    visibleRows = this.defaultVisibleRows;
+                } else if (visibleRows === 0) {
+                    return true;
+                }
+
+                return collapsible.querySelectorAll(rowSelector).length > visibleRows * 2;
+            } else {
+                let maxHeight = Number(collapsible.dataset.visibleHeight);
+                if (isNaN(maxHeight)) {
+                    maxHeight = this.defaultVisibleHeight;
+                } else if (maxHeight === 0) {
+                    return true;
+                }
+
+                let actualHeight = collapsible.scrollHeight - parseFloat(
+                    window.getComputedStyle(collapsible).getPropertyValue('padding-top')
+                );
+
+                return actualHeight >= maxHeight * 2;
+            }
+        }
+
+        /**
+         * Calculate the height the given collapsible should have when collapsed
+         *
+         * @param collapsible
+         */
+        calculateCollapsedHeight(collapsible) {
+            let height;
+
+            if (this.isDetails(collapsible)) {
+                return -1;
+            }
+
+            let rowSelector = this.getRowSelector(collapsible);
+            if (!! rowSelector) {
+                height = collapsible.scrollHeight;
+                height -= parseFloat(window.getComputedStyle(collapsible).getPropertyValue('padding-bottom'));
+
+                let visibleRows = Number(collapsible.dataset.visibleRows);
+                if (isNaN(visibleRows)) {
+                    visibleRows = this.defaultVisibleRows;
+                }
+
+                let rows = Array.from(collapsible.querySelectorAll(rowSelector)).slice(visibleRows);
+                for (let i = 0; i < rows.length; i++) {
+                    let row = rows[i];
+
+                    if (row.previousElementSibling === null) { // very first element
+                        height -= row.offsetHeight;
+                        height -= parseFloat(window.getComputedStyle(row).getPropertyValue('margin-top'));
+                    } else if (i < rows.length - 1) { // every element but the last one
+                        let prevBottomBorderAt = row.previousElementSibling.offsetTop;
+                        prevBottomBorderAt += row.previousElementSibling.offsetHeight;
+                        height -= row.offsetTop - prevBottomBorderAt + row.offsetHeight;
+                    } else { // the last element
+                        height -= row.offsetHeight;
+                        height -= parseFloat(window.getComputedStyle(row).getPropertyValue('margin-top'));
+                        height -= parseFloat(window.getComputedStyle(row).getPropertyValue('margin-bottom'));
+                    }
+                }
+            } else {
+                height = Number(collapsible.dataset.visibleHeight);
+                if (isNaN(height)) {
+                    height = this.defaultVisibleHeight;
+                }
+
+                height += parseFloat(window.getComputedStyle(collapsible).getPropertyValue('padding-top'));
+
+                if (
+                    !! collapsible.dataset.toggleElement
+                    && ! ('hasExternalToggle' in collapsible.dataset)
+                    && (! collapsible.nextElementSibling
+                        || ! collapsible.nextElementSibling.matches(collapsible.dataset.toggleElement))
+                ) {
+                    let toggle = collapsible.querySelector(collapsible.dataset.toggleElement);
+                    height += toggle.offsetHeight; // TODO: Very expensive at times. (50ms+) Check why!
+                    height += parseFloat(window.getComputedStyle(toggle).getPropertyValue('margin-top'));
+                    height += parseFloat(window.getComputedStyle(toggle).getPropertyValue('margin-bottom'));
+                }
+            }
+
+            return height;
+        }
+
+        /**
+         * Collapse the given collapsible
+         *
+         * @param collapsible The given collapsible container element
+         * @param toHeight {int} The height in pixels to collapse to
+         */
+        collapse(collapsible, toHeight) {
+            if (this.isDetails(collapsible)) {
+                collapsible.open = false;
+            } else {
+                collapsible.style.cssText = 'display: block; height: ' + toHeight + 'px; padding-bottom: 0';
+
+                if ('hasExternalToggle' in collapsible.dataset) {
+                    document.getElementById(collapsible.dataset.toggleElement).classList.add('collapsed');
+                }
+            }
+
+            collapsible.classList.add('collapsed');
+        }
+
+        /**
+         * Expand the given collapsible
+         *
+         * @param   collapsible    The given collapsible container element
+         */
+        expand(collapsible) {
+            collapsible.classList.remove('collapsed');
+
+            if (this.isDetails(collapsible)) {
+                collapsible.open = true;
+            } else {
+                collapsible.style.cssText = '';
+
+                if ('hasExternalToggle' in collapsible.dataset) {
+                    document.getElementById(collapsible.dataset.toggleElement).classList.remove('collapsed');
+                }
+            }
+        }
+
+        /**
+         * Get whether the given collapsible is a <details> element
+         *
+         * @param collapsible
+         *
+         * @return {Boolean}
+         */
+        isDetails(collapsible) {
+            return collapsible.tagName === 'DETAILS';
+        }
+    }
+
+    Icinga.Behaviors.Collapsible = Collapsible;
+
+})(Icinga);
diff --git a/public/js/icinga/behavior/datetime-picker.js b/public/js/icinga/behavior/datetime-picker.js
new file mode 100644
index 0000000..fb0ddff
--- /dev/null
+++ b/public/js/icinga/behavior/datetime-picker.js
@@ -0,0 +1,222 @@
+/* Icinga Web 2 | (c) 2021 Icinga GmbH | GPLv2+ */
+
+/**
+ * DatetimePicker - Behavior for inputs that should show a date and time picker
+ */
+;(function(Icinga, $) {
+
+    'use strict';
+
+    try {
+        var Flatpickr = require('icinga/icinga-php-library/vendor/flatpickr');
+        var notjQuery = require('icinga/icinga-php-library/notjQuery');
+    } catch (e) {
+        console.warn('Unable to provide datetime picker. Libraries not available:', e);
+        return;
+    }
+
+    Icinga.Behaviors = Icinga.Behaviors || {};
+
+    /**
+     * Behavior for datetime pickers.
+     *
+     * @param icinga {Icinga} The current Icinga Object
+     */
+    var DatetimePicker = function(icinga) {
+        Icinga.EventListener.call(this, icinga);
+        this.icinga = icinga;
+
+        /**
+         * The formats the server expects
+         *
+         * In a syntax flatpickr understands. Based on https://flatpickr.js.org/formatting/
+         *
+         * @type {string}
+         */
+        this.server_full_format = 'Y-m-d\\TH:i:S';
+        this.server_date_format = 'Y-m-d';
+        this.server_time_format = 'H:i:S';
+
+        /**
+         * The flatpickr instances created
+         *
+         * @type {Map<Flatpickr, string>}
+         * @private
+         */
+        this._pickers = new Map();
+
+        this.on('rendered', '#main > .container, #modal-content', this.onRendered, this);
+        this.on('close-column', this.onCloseContainer, this);
+        this.on('close-modal', this.onCloseContainer, this);
+    };
+
+    DatetimePicker.prototype = new Icinga.EventListener();
+
+    /**
+     * Add flatpickr widget on selected inputs
+     *
+     * @param event {Event}
+     */
+    DatetimePicker.prototype.onRendered = function(event) {
+        var _this = event.data.self;
+        var containerId = event.target.dataset.icingaContainerId;
+        var inputs = event.target.querySelectorAll('input[data-use-datetime-picker]');
+
+        // Cleanup left-over pickers from the previous content
+        _this.cleanupPickers(containerId);
+
+        $.each(inputs, function () {
+            if (this.type !== 'text') {
+                // Ignore native inputs. Browser widgets are (mostly) superior.
+                // TODO: This makes the type distinction below useless.
+                //       Refactor this once we decided how we continue here in the future.
+                return;
+            }
+
+            var server_format = _this.server_full_format;
+            if (this.type === 'date') {
+                server_format = _this.server_date_format;
+            } else if (this.type === 'time') {
+                server_format = _this.server_time_format;
+            }
+
+            // Inject calendar container into a new empty div, inside the column/modal but outside the form.
+            // See https://github.com/flatpickr/flatpickr/issues/2054 for details.
+            var appendTo = document.createElement('div');
+            this.form.parentNode.insertBefore(appendTo, this.form.nextSibling);
+
+            var enableTime = server_format !== _this.server_date_format;
+            var disableDate = server_format === _this.server_time_format;
+            var dateTimeFormatter = _this.createFormatter(! disableDate, enableTime);
+            var options = {
+                locale: _this.loadFlatpickrLocale(),
+                appendTo: appendTo,
+                altInput: true,
+                enableTime: enableTime,
+                noCalendar: disableDate,
+                dateFormat: server_format,
+                formatDate: function (date, format, locale) {
+                    return format === this.dateFormat
+                        ? Flatpickr.formatDate(date, format, locale)
+                        : dateTimeFormatter.format(date);
+                }
+            };
+
+            for (name in this.dataset) {
+                if (name.length > 9 && name.substr(0, 9) === 'flatpickr') {
+                    var value = this.dataset[name];
+                    if (value === '') {
+                        value = true;
+                    }
+
+                    options[name.charAt(9).toLowerCase() + name.substr(10)] = value;
+                }
+            }
+
+            var element = this;
+            if (!! options.wrap) {
+                element = this.parentNode;
+            }
+
+            var fp = Flatpickr(element, options);
+            fp.calendarContainer.classList.add('icinga-datetime-picker');
+
+            if (! !!options.wrap) {
+                this.parentNode.insertBefore(_this.renderIcon(), fp.altInput.nextSibling);
+            }
+
+            _this._pickers.set(fp, containerId);
+        });
+    };
+
+    /**
+     * Cleanup all flatpickr instances in the closed container
+     *
+     * @param event {Event}
+     */
+    DatetimePicker.prototype.onCloseContainer = function (event) {
+        var _this = event.data.self;
+        var containerId = event.target.dataset.icingaContainerId;
+
+        _this.cleanupPickers(containerId);
+    };
+
+    /**
+     * Destroy all flatpickr instances in the container with the given id
+     *
+     * @param containerId {String}
+     */
+    DatetimePicker.prototype.cleanupPickers = function (containerId) {
+        this._pickers.forEach(function (cId, fp) {
+            if (cId === containerId) {
+                this._pickers.delete(fp);
+                fp.destroy();
+            }
+        }, this);
+    };
+
+    /**
+     * Close all other flatpickr instances and keep the given one
+     *
+     * @param fp {Flatpickr}
+     */
+    DatetimePicker.prototype.closePickers = function (fp) {
+        var containerId = this._pickers.get(fp);
+        this._pickers.forEach(function (cId, fp2) {
+            if (cId === containerId && fp2 !== fp) {
+                fp2.close();
+            }
+        }, this);
+    };
+
+    DatetimePicker.prototype.createFormatter = function (withDate, withTime) {
+        var options = {};
+        if (withDate) {
+            options.year = 'numeric';
+            options.month = 'numeric';
+            options.day = 'numeric';
+        }
+        if (withTime) {
+            options.hour = 'numeric';
+            options.minute = 'numeric';
+            options.timeZoneName = 'short';
+            options.timeZone = this.icinga.config.timezone;
+        }
+
+        return new Intl.DateTimeFormat([this.icinga.config.locale, 'en'], options);
+    };
+
+    DatetimePicker.prototype.loadFlatpickrLocale = function () {
+        switch (this.icinga.config.locale) {
+            case 'ar':
+                return require('icinga/icinga-php-library/vendor/flatpickr/l10n/ar').Arabic;
+            case 'de':
+                return require('icinga/icinga-php-library/vendor/flatpickr/l10n/de').German;
+            case 'es':
+                return require('icinga/icinga-php-library/vendor/flatpickr/l10n/es').Spanish;
+            case 'fi':
+                return require('icinga/icinga-php-library/vendor/flatpickr/l10n/fi').Finnish;
+            case 'fr':
+                return require('icinga/icinga-php-library/vendor/flatpickr/l10n/fr').French;
+            case 'it':
+                return require('icinga/icinga-php-library/vendor/flatpickr/l10n/it').Italian;
+            case 'ja':
+                return require('icinga/icinga-php-library/vendor/flatpickr/l10n/ja').Japanese;
+            case 'pt':
+                return require('icinga/icinga-php-library/vendor/flatpickr/l10n/pt').Portuguese;
+            case 'ru':
+                return require('icinga/icinga-php-library/vendor/flatpickr/l10n/ru').Russian;
+            case 'uk':
+                return require('icinga/icinga-php-library/vendor/flatpickr/l10n/uk').Ukrainian;
+            default:
+                return 'default';
+        }
+    };
+
+    DatetimePicker.prototype.renderIcon = function () {
+        return notjQuery.render('<i class="icon fa fa-calendar" role="image"></i>');
+    };
+
+    Icinga.Behaviors.DatetimePicker = DatetimePicker;
+
+})(Icinga, jQuery);
diff --git a/public/js/icinga/behavior/detach.js b/public/js/icinga/behavior/detach.js
new file mode 100644
index 0000000..16fe157
--- /dev/null
+++ b/public/js/icinga/behavior/detach.js
@@ -0,0 +1,73 @@
+/* Icinga Web 2 | (c) 2017 Icinga Development Team | GPLv2+ */
+
+/**
+ * Icinga.Behavior.Detach
+ *
+ * Detaches DOM elements before an auto-refresh and attaches them back afterwards
+ */
+(function(Icinga, $) {
+
+    'use strict';
+
+    function Detach(icinga) {
+        Icinga.EventListener.call(this, icinga);
+    }
+
+    Detach.prototype = new Icinga.EventListener();
+
+    /**
+     * Mutates the HTML before it is placed in the DOM after a reload
+     *
+     * @param   content     {string}    The content to be rendered
+     * @param   $container  {jQuery}    The target container
+     * @param   action      {string}    The URL that caused the reload
+     * @param   autorefresh {bool}      Whether the rendering is due to an auto-refresh
+     *
+     * @return  {string|null}           The content to be rendered or null, when nothing should be changed
+     */
+    Detach.prototype.renderHook = function(content, $container, action, autorefresh) {
+        // Exit early
+        if (! autorefresh) {
+            return content;
+        } else {
+            var containerId = $container.attr('id');
+
+            if (containerId === 'menu' || containerId === 'application-state') {
+                return content;
+            }
+        }
+
+        if (! $container.find('.detach:first').length) {
+            return content;
+        }
+
+        var $content = $('<div></div>').append(content);
+        var icinga = this.icinga;
+
+        $content.find('.detach').each(function() {
+            // Selector only works w/ IDs because it was initially built to work w/ absolute paths only
+            var $detachTarget = $(this);
+            var detachTargetId = $detachTarget.attr('id');
+            if (detachTargetId === undefined) {
+                return;
+            }
+
+            var selector = '#' + detachTargetId + ':first';
+            var $detachSource = $container.find(selector);
+
+            if ($detachSource.length) {
+                icinga.logger.debug('Detaching ' + selector);
+                $detachSource.detach();
+                $detachTarget.replaceWith($detachSource);
+                $detachTarget.remove();
+            }
+        });
+
+        return $content.html();
+    };
+
+    Icinga.Behaviors = Icinga.Behaviors || {};
+
+    Icinga.Behaviors.Detach = Detach;
+
+}) (Icinga, jQuery);
diff --git a/public/js/icinga/behavior/dropdown.js b/public/js/icinga/behavior/dropdown.js
new file mode 100644
index 0000000..691e634
--- /dev/null
+++ b/public/js/icinga/behavior/dropdown.js
@@ -0,0 +1,66 @@
+/*! Icinga Web 2 | (c) 2015 Icinga Development Team | GPLv2+ */
+
+;(function(Icinga, $) {
+
+    "use strict";
+
+    /**
+     * Toggle the CSS class active of the dropdown navigation item
+     *
+     * Called when the dropdown toggle has been activated via mouse or keyobard. This will expand/collpase the dropdown
+     * menu according to CSS.
+     *
+     * @param {object} e Event
+     */
+    function setActive(e) {
+        $(this).parent().toggleClass('active');
+    }
+
+    /**
+     * Clear active state of the dropdown navigation item when the mouse leaves the navigation item
+     *
+     * @param {object} e Event
+     */
+    function clearActive(e) {
+        $(this).removeClass('active');
+    }
+
+    /**
+     * Clear active state of the dropdown navigation item when the navigation items loses focus
+     *
+     * @param {object} e Event
+     */
+    function clearFocus(e) {
+        var $dropdown = $(this);
+        // Timeout is required to wait for the next element in the DOM to receive focus
+        setTimeout(function() {
+            if (! $.contains($dropdown[0], document.activeElement)) {
+                $dropdown.removeClass('active');
+            }
+        }, 10);
+    }
+
+    Icinga.Behaviors = Icinga.Behaviors || {};
+
+    /**
+     * Behavior for dropdown navigation items
+     *
+     * The dropdown behavior listens for activity on dropdown navigation items for toggling the CSS class
+     * active on them. CSS is responsible for the expanded and collapsed state.
+     *
+     * @param {Icinga} icinga
+     *
+     * @constructor
+     */
+    var Dropdown = function (icinga) {
+        Icinga.EventListener.call(this, icinga);
+        this.on('click', '.dropdown-nav-item > a', setActive, this);
+        this.on('mouseleave', '.dropdown-nav-item', clearActive, this);
+        this.on('focusout', '.dropdown-nav-item', clearFocus, this);
+    };
+
+    Dropdown.prototype = new Icinga.EventListener();
+
+    Icinga.Behaviors.Dropdown = Dropdown;
+
+})(Icinga, jQuery);
diff --git a/public/js/icinga/behavior/filtereditor.js b/public/js/icinga/behavior/filtereditor.js
new file mode 100644
index 0000000..ffcad01
--- /dev/null
+++ b/public/js/icinga/behavior/filtereditor.js
@@ -0,0 +1,77 @@
+/* Icinga Web 2 | (c) 2018 Icinga Development Team | GPLv2+ */
+
+/**
+ * Icinga.Behavior.FilterEditor
+ *
+ * Initially expanded, but collapsable subtrees
+ */
+(function(Icinga, $) {
+
+    'use strict';
+
+    var containerId = /^col(\d+)$/;
+    var filterEditors = {};
+
+    function FilterEditor(icinga) {
+        Icinga.EventListener.call(this, icinga);
+
+        this.on('beforerender', '#main > .container', this.beforeRender, this);
+        this.on('rendered', '#main > .container', this.onRendered, this);
+    }
+
+    FilterEditor.prototype = new Icinga.EventListener();
+
+    FilterEditor.prototype.beforeRender = function(event) {
+        if (event.currentTarget !== event.target) {
+            // Nested containers are ignored
+            return;
+        }
+
+        var $container = $(event.target);
+        var match = containerId.exec($container.attr('id'));
+
+        if (match !== null) {
+            var id = match[1];
+            var subTrees = {};
+            filterEditors[id] = subTrees;
+
+            $container.find('.tree .handle').each(function () {
+                var $li = $(this).closest('li');
+
+                subTrees[$li.find('select').first().attr('name')] = $li.hasClass('collapsed');
+            });
+        }
+    };
+
+    FilterEditor.prototype.onRendered = function(event) {
+        if (event.currentTarget !== event.target) {
+            // Nested containers are ignored
+            return;
+        }
+
+        var $container = $(event.target);
+        var match = containerId.exec($container.attr('id'));
+
+        if (match !== null) {
+            var id = match[1];
+
+            if (typeof filterEditors[id] !== "undefined") {
+                var subTrees = filterEditors[id];
+                delete filterEditors[id];
+
+                $container.find('.tree .handle').each(function () {
+                    var $li = $(this).closest('li');
+                    var name = $li.find('select').first().attr('name');
+                    if (typeof subTrees[name] !== "undefined" && subTrees[name] !== $li.hasClass('collapsed')) {
+                        $li.toggleClass('collapsed');
+                    }
+                });
+            }
+        }
+    };
+
+    Icinga.Behaviors = Icinga.Behaviors || {};
+
+    Icinga.Behaviors.FilterEditor = FilterEditor;
+
+}) (Icinga, jQuery);
diff --git a/public/js/icinga/behavior/flyover.js b/public/js/icinga/behavior/flyover.js
new file mode 100644
index 0000000..207d577
--- /dev/null
+++ b/public/js/icinga/behavior/flyover.js
@@ -0,0 +1,85 @@
+/* Icinga Web 2 | (c) 2017 Icinga Development Team | GPLv2+ */
+
+/**
+ * Icinga.Behavior.Flyover
+ *
+ * A toggleable flyover
+ */
+(function(Icinga, $) {
+
+    'use strict';
+
+    var expandedFlyovers = {};
+
+    function Flyover(icinga) {
+        Icinga.EventListener.call(this, icinga);
+
+        this.on('rendered', '#main > .container', this.onRendered, this);
+        this.on('click', this.onClick, this);
+        this.on('click', '.flyover-toggle', this.onClickFlyoverToggle, this);
+    }
+
+    Flyover.prototype = new Icinga.EventListener();
+
+    Flyover.prototype.onRendered = function(event) {
+        // Re-expand expanded containers after an auto-refresh
+
+        $(event.target).find('.flyover').each(function() {
+            var $this = $(this);
+
+            if (typeof expandedFlyovers['#' + $this.attr('id')] !== 'undefined') {
+                var $container = $this.closest('.container');
+
+                if ($this.offset().left - $container.offset().left > $container.innerWidth() / 2) {
+                    $this.addClass('flyover-right');
+                }
+
+                $this.toggleClass('flyover-expanded');
+            }
+        });
+    };
+
+    Flyover.prototype.onClick = function(event) {
+        // Close flyover on click outside the flyover
+        var $target = $(event.target);
+
+        if (! $target.closest('.flyover').length) {
+            var _this = event.data.self;
+            $.each(expandedFlyovers, function (id) {
+                _this.onClickFlyoverToggle({target: $('.flyover-toggle', id)[0]});
+            });
+        }
+    };
+
+    Flyover.prototype.onClickFlyoverToggle = function(event) {
+        var $flyover = $(event.target).closest('.flyover');
+
+        $flyover.toggleClass('flyover-expanded');
+
+        var $container = $flyover.closest('.container');
+        if ($flyover.hasClass('flyover-expanded')) {
+            if ($flyover.offset().left - $container.offset().left > $container.innerWidth() / 2) {
+                $flyover.addClass('flyover-right');
+            }
+
+            if ($flyover.is('[data-flyover-suspends-auto-refresh]')) {
+                $container[0].dataset.suspendAutorefresh = '';
+            }
+
+            expandedFlyovers['#' + $flyover.attr('id')] = null;
+        } else {
+            $flyover.removeClass('flyover-right');
+
+            if ($flyover.is('[data-flyover-suspends-auto-refresh]')) {
+                delete $container[0].dataset.suspendAutorefresh;
+            }
+
+            delete expandedFlyovers['#' + $flyover.attr('id')];
+        }
+    };
+
+    Icinga.Behaviors = Icinga.Behaviors || {};
+
+    Icinga.Behaviors.Flyover = Flyover;
+
+})(Icinga, jQuery);
diff --git a/public/js/icinga/behavior/form.js b/public/js/icinga/behavior/form.js
new file mode 100644
index 0000000..ca9db3b
--- /dev/null
+++ b/public/js/icinga/behavior/form.js
@@ -0,0 +1,96 @@
+/*! Icinga Web 2 | (c) 2014 Icinga Development Team | GPLv2+ */
+
+/**
+ * Controls behavior of form elements, depending reload and
+ */
+(function(Icinga, $) {
+
+    "use strict";
+
+    Icinga.Behaviors = Icinga.Behaviors || {};
+
+    var Form = function (icinga) {
+        Icinga.EventListener.call(this, icinga);
+        this.on('rendered', '.container', this.onRendered, this);
+
+        // store the modification state of all input fields
+        this.inputs = new WeakMap();
+    };
+    Form.prototype = new Icinga.EventListener();
+
+    /**
+     * @param event
+     */
+    Form.prototype.onRendered = function (event) {
+        var _this = event.data.self;
+        var container = event.target;
+
+        container.querySelectorAll('form input').forEach(function (input) {
+            if (! _this.inputs.has(input) && input.type !== 'hidden') {
+                _this.inputs.set(input, input.value);
+                _this.icinga.logger.debug('registering "' + input.value + '" as original input value');
+            }
+        });
+    };
+
+    /**
+     * Mutates the HTML before it is placed in the DOM after a reload
+     *
+     * @param content       {String}    The content to be rendered
+     * @param $container    {jQuery}    The target container where the html will be rendered in
+     * @param action        {String}    The action-url that caused the reload
+     * @param autorefresh   {Boolean}   Whether the rendering is due to an autoRefresh
+     * @param autoSubmit    {Boolean}   Whether the rendering is due to an autoSubmit
+     *
+     * @returns {string|NULL}           The content to be rendered, or NULL, when nothing should be changed
+     */
+    Form.prototype.renderHook = function(content, $container, action, autorefresh, autoSubmit) {
+        if ($container.attr('id') === 'menu') {
+            var $search = $container.find('#search');
+            if ($search[0] === document.activeElement) {
+                return null;
+            }
+            if ($search.length) {
+                var $content = $('<div></div>').append(content);
+                $content.find('#search').attr('value', $search.val()).addClass('active');
+                return $content.html();
+            }
+            return content;
+        }
+
+        if (! autorefresh || autoSubmit) {
+            return content;
+        }
+
+        var _this = this;
+        var changed = false;
+        $container[0].querySelectorAll('form input').forEach(function (input) {
+            if (_this.inputs.has(input) && _this.inputs.get(input) !== input.value) {
+                changed = true;
+                _this.icinga.logger.debug(
+                    '"' + _this.inputs.get(input) + '" was changed ("' + input.value + '") and aborts reload...'
+                );
+            }
+        });
+        if (changed) {
+            return null;
+        }
+
+        var origFocus = document.activeElement;
+        var containerId = $container.attr('id');
+        if ($container.has(origFocus).length
+            && $(origFocus).length
+            && ! $(origFocus).hasClass('autofocus')
+            && $(origFocus).closest('form').length
+            && $(origFocus).not(':input[type=button], :input[type=submit], :input[type=reset]').length
+        ) {
+            this.icinga.logger.debug('Not changing content for ' + containerId + ' form has focus');
+            return null;
+        }
+
+        return content;
+    };
+
+    Icinga.Behaviors.Form = Form;
+
+}) (Icinga, jQuery);
diff --git a/public/js/icinga/behavior/input-enrichment.js b/public/js/icinga/behavior/input-enrichment.js
new file mode 100644
index 0000000..1540941
--- /dev/null
+++ b/public/js/icinga/behavior/input-enrichment.js
@@ -0,0 +1,148 @@
+/* Icinga Web 2 | (c) 2020 Icinga GmbH | GPLv2+ */
+
+/**
+ * InputEnrichment - Behavior for forms with enriched inputs
+ */
+(function(Icinga) {
+
+    "use strict";
+
+    try {
+        var SearchBar = require('icinga/icinga-php-library/widget/SearchBar');
+        var SearchEditor = require('icinga/icinga-php-library/widget/SearchEditor');
+        var FilterInput = require('icinga/icinga-php-library/widget/FilterInput');
+        var TermInput = require('icinga/icinga-php-library/widget/TermInput');
+        var Completer = require('icinga/icinga-php-library/widget/Completer');
+    } catch (e) {
+        console.warn('Unable to provide input enrichments. Libraries not available:', e);
+        return;
+    }
+
+    Icinga.Behaviors = Icinga.Behaviors || {};
+
+    /**
+     * @param icinga
+     * @constructor
+     */
+    let InputEnrichment = function (icinga) {
+        Icinga.EventListener.call(this, icinga);
+
+        this.on('beforerender', '#main > .container, #modal-content', this.onBeforeRender, this);
+        this.on('rendered', '#main > .container, #modal-content', this.onRendered, this);
+
+        /**
+         * Enriched inputs
+         *
+         * @type {WeakMap<object, SearchEditor|SearchBar|FilterInput|TermInput|Completer>}
+         * @private
+         */
+        this._enrichments = new WeakMap();
+
+        /**
+         * Cached enrichments
+         *
+         * Holds values only during the time between `beforerender` and `rendered`
+         *
+         * @type {{}}
+         * @private
+         */
+        this._cachedEnrichments = {};
+    };
+    InputEnrichment.prototype = new Icinga.EventListener();
+
+    /**
+     * @param data
+     */
+    InputEnrichment.prototype.update = function (data) {
+        var input = document.querySelector(data[0]);
+        if (input !== null && this._enrichments.has(input)) {
+            this._enrichments.get(input).updateTerms(data[1]);
+        }
+    };
+
+    /**
+     * @param event
+     * @param content
+     * @param action
+     * @param autorefresh
+     * @param scripted
+     */
+    InputEnrichment.prototype.onBeforeRender = function (event, content, action, autorefresh, scripted) {
+        if (! autorefresh) {
+            return;
+        }
+
+        let _this = event.data.self;
+        let inputs = event.target.querySelectorAll('[data-enrichment-type]');
+
+        // Remember current instances
+        inputs.forEach((input) => {
+            let enrichment = _this._enrichments.get(input);
+            if (enrichment) {
+                _this._cachedEnrichments[_this.icinga.utils.getDomPath(input).join(' > ')] = enrichment;
+            }
+        });
+    };
+
+    /**
+     * @param event
+     * @param autorefresh
+     * @param scripted
+     */
+    InputEnrichment.prototype.onRendered = function (event, autorefresh, scripted) {
+        let _this = event.data.self;
+        let container = event.target;
+
+        if (autorefresh) {
+            // Apply remembered instances
+            for (let inputPath in _this._cachedEnrichments) {
+                let enrichment = _this._cachedEnrichments[inputPath];
+                let input = container.querySelector(inputPath);
+                if (input !== null) {
+                    enrichment.refresh(input);
+                    _this._enrichments.set(input, enrichment);
+                } else {
+                    enrichment.destroy();
+                }
+
+                delete _this._cachedEnrichments[inputPath];
+            }
+        }
+
+        // Create new instances
+        let inputs = container.querySelectorAll('[data-enrichment-type]');
+        inputs.forEach((input) => {
+            let enrichment = _this._enrichments.get(input);
+            if (! enrichment) {
+                switch (input.dataset.enrichmentType) {
+                    case 'search-bar':
+                        enrichment = (new SearchBar(input)).bind();
+                        break;
+                    case 'search-editor':
+                        enrichment = (new SearchEditor(input)).bind();
+                        break;
+                    case 'filter':
+                        enrichment = (new FilterInput(input)).bind();
+                        enrichment.restoreTerms();
+
+                        if (_this._enrichments.has(input.form)) {
+                            _this._enrichments.get(input.form).setFilterInput(enrichment);
+                        }
+
+                        break;
+                    case 'terms':
+                        enrichment = (new TermInput(input)).bind();
+                        enrichment.restoreTerms();
+                        break;
+                    case 'completion':
+                        enrichment = (new Completer(input)).bind();
+                }
+
+                _this._enrichments.set(input, enrichment);
+            }
+        });
+    };
+
+    Icinga.Behaviors.InputEnrichment = InputEnrichment;
+
+})(Icinga);
diff --git a/public/js/icinga/behavior/modal.js b/public/js/icinga/behavior/modal.js
new file mode 100644
index 0000000..0083f76
--- /dev/null
+++ b/public/js/icinga/behavior/modal.js
@@ -0,0 +1,231 @@
+/*! Icinga Web 2 | (c) 2019 Icinga GmbH | GPLv2+ */
+
+;(function(Icinga, $) {
+
+    'use strict';
+
+    Icinga.Behaviors = Icinga.Behaviors || {};
+
+    /**
+     * Behavior for modal dialogs.
+     *
+     * @param icinga {Icinga} The current Icinga Object
+     */
+    var Modal = function(icinga) {
+        Icinga.EventListener.call(this, icinga);
+
+        this.icinga = icinga;
+        this.$layout = $('#layout');
+        this.$ghost = $('#modal-ghost');
+
+        this.on('submit', '#modal form', this.onFormSubmit, this);
+        this.on('change', '#modal form select.autosubmit', this.onFormAutoSubmit, this);
+        this.on('change', '#modal form input.autosubmit', this.onFormAutoSubmit, this);
+        this.on('click', '[data-icinga-modal]', this.onModalToggleClick, this);
+        this.on('mousedown', '#layout > #modal', this.onModalLeave, this);
+        this.on('click', '.modal-header > button', this.onModalClose, this);
+        this.on('keydown', this.onKeyDown, this);
+    };
+
+    Modal.prototype = new Icinga.EventListener();
+
+    /**
+     * Event handler for toggling modals. Shows the link target in a modal dialog.
+     *
+     * @param event {Event} The `onClick` event triggered by the clicked modal-toggle element
+     * @returns {boolean}
+     */
+    Modal.prototype.onModalToggleClick = function(event) {
+        var _this = event.data.self;
+        var $a = $(event.currentTarget);
+        var url = $a.attr('href');
+        var $modal = _this.$ghost.clone();
+        var $urlTarget = _this.icinga.loader.getLinkTargetFor($a, false);
+
+        _this.modalOpener = event.currentTarget;
+
+        // Disable pointer events to block further function calls
+        _this.modalOpener.style.pointerEvents = 'none';
+
+        // Add showCompact, we don't want controls in a modal
+        url = _this.icinga.utils.addUrlFlag(url, 'showCompact');
+
+        // Set the toggle's base target on the modal to use it as redirect target
+        $modal.data('redirectTarget', $urlTarget);
+
+        // Final preparations, the id is required so that it's not `display:none` anymore
+        $modal.attr('id', 'modal');
+        _this.$layout.append($modal);
+
+        var req = _this.icinga.loader.loadUrl(url, $modal.find('#modal-content'));
+        req.addToHistory = false;
+        req.done(function () {
+            _this.setTitle($modal, req.$target.data('icingaTitle').replace(/\s::\s.*/, ''));
+            _this.show($modal);
+            _this.focus($modal);
+        });
+        req.fail(function (req, _, errorThrown) {
+            if (req.status >= 500) {
+                // Yes, that's done twice (by us and by the base fail handler),
+                // but `renderContentToContainer` does too many useful things..
+                _this.icinga.loader.renderContentToContainer(req.responseText, $urlTarget, req.action);
+            } else if (req.status > 0) {
+                var msg = $(req.responseText).find('.error-message').text();
+                if (msg && msg !== errorThrown) {
+                    errorThrown += ': ' + msg;
+                }
+
+                _this.icinga.loader.createNotice('error', errorThrown);
+            }
+
+            _this.hide($modal);
+        });
+
+        return false;
+    };
+
+    /**
+     * Event handler for form submits within a modal.
+     *
+     * @param event {Event} The `submit` event triggered by a form within the modal
+     * @param $autoSubmittedBy {jQuery} The element triggering the auto submit, if any
+     * @returns {boolean}
+     */
+    Modal.prototype.onFormSubmit = function(event, $autoSubmittedBy) {
+        var _this = event.data.self;
+        var $form = $(event.currentTarget).closest('form');
+        var $modal = $form.closest('#modal');
+
+        var $button;
+        var $rememberedSubmittButton = $form.data('submitButton');
+        if (typeof $rememberedSubmittButton != 'undefined') {
+            if ($form.has($rememberedSubmittButton)) {
+                $button = $rememberedSubmittButton;
+            }
+            $form.removeData('submitButton');
+        }
+
+        var req = _this.icinga.loader.submitForm($form, $autoSubmittedBy, $button);
+        req.addToHistory = false;
+        req.$redirectTarget = $modal.data('redirectTarget');
+        req.done(function (data, textStatus, req) {
+            var title = req.getResponseHeader('X-Icinga-Title');
+            if (!! title) {
+                _this.setTitle($modal, decodeURIComponent(title).replace(/\s::\s.*/, ''));
+            }
+
+            if (req.getResponseHeader('X-Icinga-Redirect')) {
+                _this.hide($modal);
+            }
+        });
+
+        if (typeof $autoSubmittedBy === 'undefined') {
+            // otherwise the form is submitted several times by clicking the "Submit" button several times
+            $form.find('input[type=submit],button[type=submit],button:not([type])').prop('disabled', true);
+        }
+
+        event.stopPropagation();
+        event.preventDefault();
+        return false;
+    };
+
+    /**
+     * Event handler for form auto submits within a modal.
+     *
+     * @param event {Event} The `change` event triggered by a form input within the modal
+     * @returns {boolean}
+     */
+    Modal.prototype.onFormAutoSubmit = function(event) {
+        return event.data.self.onFormSubmit(event, $(event.currentTarget));
+    };
+
+    /**
+     * Event handler for closing the modal. Closes it when the user clicks on the overlay.
+     *
+     * @param event {Event} The `click` event triggered by clicking on the overlay
+     */
+    Modal.prototype.onModalLeave = function(event) {
+        var _this = event.data.self;
+        var $target = $(event.target);
+
+        if ($target.is('#modal')) {
+            _this.hide($target);
+        }
+    };
+
+    /**
+     * Event handler for closing the modal. Closes it when the user clicks on the close button.
+     *
+     * @param event {Event} The `click` event triggered by clicking on the close button
+     */
+    Modal.prototype.onModalClose = function(event) {
+        var _this = event.data.self;
+
+        _this.hide($(event.currentTarget).closest('#modal'));
+    };
+
+    /**
+     * Event handler for closing the modal. Closes it when the user pushed ESC.
+     *
+     * @param event {Event} The `keydown` event triggered by pushing a key
+     */
+    Modal.prototype.onKeyDown = function(event) {
+        var _this = event.data.self;
+
+        if (! event.isDefaultPrevented() && event.key === 'Escape') {
+            let $modal = _this.$layout.children('#modal');
+            if ($modal.length) {
+                _this.hide($modal);
+            }
+        }
+    };
+
+    /**
+     * Make final preparations and add the modal to the DOM
+     *
+     * @param $modal {jQuery} The modal element
+     */
+    Modal.prototype.show = function($modal) {
+        $modal.addClass('active');
+    };
+
+    /**
+     * Set a title for the modal
+     *
+     * @param $modal {jQuery} The modal element
+     * @param title {string} The title
+     */
+    Modal.prototype.setTitle = function($modal, title) {
+        $modal.find('.modal-header > h1').html(title);
+    };
+
+    /**
+     * Focus the modal
+     *
+     * @param $modal {jQuery} The modal element
+     */
+    Modal.prototype.focus = function($modal) {
+        this.icinga.ui.focusElement($modal.find('.modal-window'));
+    };
+
+    /**
+     * Hide the modal and remove it from the DOM
+     *
+     * @param $modal {jQuery} The modal element
+     */
+    Modal.prototype.hide = function($modal) {
+        // Remove pointerEvent none style to make the button clickable again
+        this.modalOpener.style.pointerEvents = '';
+        this.modalOpener = null;
+
+        $modal.removeClass('active');
+        // Using `setTimeout` here to let the transition finish
+        setTimeout(function () {
+            $modal.find('#modal-content').trigger('close-modal');
+            $modal.remove();
+        }, 200);
+    };
+
+    Icinga.Behaviors.Modal = Modal;
+
+})(Icinga, jQuery);
diff --git a/public/js/icinga/behavior/navigation.js b/public/js/icinga/behavior/navigation.js
new file mode 100644
index 0000000..df0e1e6
--- /dev/null
+++ b/public/js/icinga/behavior/navigation.js
@@ -0,0 +1,464 @@
+/*! Icinga Web 2 | (c) 2014 Icinga Development Team | GPLv2+ */
+
+(function(Icinga, $) {
+
+    "use strict";
+
+    Icinga.Behaviors = Icinga.Behaviors || {};
+
+    var Navigation = function (icinga) {
+        Icinga.EventListener.call(this, icinga);
+        this.on('click', '#menu a', this.linkClicked, this);
+        this.on('click', '#menu tr[href]', this.linkClicked, this);
+        this.on('rendered', '#menu', this.onRendered, this);
+        this.on('mouseenter', '#menu .primary-nav .nav-level-1 > .nav-item', this.showFlyoutMenu, this);
+        this.on('mouseleave', '#menu .primary-nav', this.hideFlyoutMenu, this);
+        this.on('click', '#toggle-sidebar', this.toggleSidebar, this);
+
+        this.on('click', '#menu .config-nav-item button', this.toggleConfigFlyout, this);
+        this.on('mouseenter', '#menu .config-menu .config-nav-item', this.showConfigFlyout, this);
+        this.on('mouseleave', '#menu .config-menu .config-nav-item', this.hideConfigFlyout, this);
+
+        this.on('keydown', '#menu .config-menu .config-nav-item', this.onKeyDown, this);
+
+        /**
+         * The DOM-Path of the active item
+         *
+         * @see getDomPath
+         *
+         * @type {null|Array}
+         */
+        this.active = null;
+
+        /**
+         * The menu
+         *
+         * @type {jQuery}
+         */
+        this.$menu = null;
+
+        /**
+         * Local storage
+         *
+         * @type {Icinga.Storage}
+         */
+        this.storage = Icinga.Storage.BehaviorStorage('navigation');
+
+        this.storage.setBackend(window.sessionStorage);
+
+        // Restore collapsed sidebar if necessary
+        if (this.storage.get('sidebar-collapsed')) {
+            $('#layout').addClass('sidebar-collapsed');
+        }
+    };
+
+    Navigation.prototype = new Icinga.EventListener();
+
+    /**
+     * Activate menu items if their class is set to active or if the current URL matches their link
+     *
+     * @param {Object} e Event
+     */
+    Navigation.prototype.onRendered = function(e) {
+        var _this = e.data.self;
+
+        _this.$menu = $(e.target);
+
+        if (! _this.active) {
+            // There is no stored menu item, therefore it is assumed that this is the first rendering
+            // of the navigation after the page has been opened.
+
+            // initialise the menu selected by the backend as active.
+            var $active = _this.$menu.find('li.active');
+            if ($active.length) {
+                $active.each(function() {
+                    _this.setActiveAndSelected($(this));
+                });
+            } else {
+                // if no item is marked as active, try to select the menu from the current URL
+                _this.setActiveAndSelectedByUrl($('#col1').data('icingaUrl'));
+            }
+        }
+
+        _this.refresh();
+    };
+
+    /**
+     * Re-render the menu selection according to the current state
+     */
+    Navigation.prototype.refresh = function() {
+        // restore selection to current active element
+        if (this.active) {
+            var $el = $(this.icinga.utils.getElementByDomPath(this.active));
+            this.setActiveAndSelected($el);
+
+            /*
+             * Recreate the html content of the menu item to force the browser to update the layout, or else
+             * the link would only be visible as active after another click or page reload in Gecko and WebKit.
+             *
+             * fixes #7897
+             */
+            if ($el.is('li')) {
+                $el.html($el.html());
+            }
+        }
+    };
+
+    /**
+     * Handle a link click in the menu
+     *
+     * @param event
+     */
+    Navigation.prototype.linkClicked = function(event) {
+        var $a = $(this);
+        var href = $a.attr('href');
+        var _this = event.data.self;
+        var icinga = _this.icinga;
+
+        // Check for ctrl or cmd click to open new tab and don't unfold other menus
+        if (event.ctrlKey || event.metaKey) {
+            return false;
+        }
+
+        if (href.match(/#/)) {
+            // ...it may be a menu section without a dedicated link.
+            // Switch the active menu item:
+            _this.setActiveAndSelected($a);
+        } else {
+            _this.setActiveAndSelected($(event.target));
+        }
+
+        // update target url of the menu container to the clicked link
+        var $menu = $('#menu');
+        var menuDataUrl = icinga.utils.parseUrl($menu.data('icinga-url'));
+        menuDataUrl = icinga.utils.addUrlParams(menuDataUrl.path, { url: href });
+        $menu.data('icinga-url', menuDataUrl);
+    };
+
+    /**
+     * Activate a menu item based on the current URL
+     *
+     * Activate a menu item that is an exact match or fall back to items that match the base URL
+     *
+     * @param url   {String}    The url to match
+     */
+    Navigation.prototype.setActiveAndSelectedByUrl = function(url) {
+        var $menu = $('#menu');
+
+        if (! $menu.length) {
+            return;
+        }
+
+        // try to active the first item that has an exact URL match
+        this.setActiveAndSelected($menu.find('[href="' + url + '"]'));
+
+        // the url may point to the search field, which must be activated too
+        if (! this.active) {
+            this.setActiveAndSelected($menu.find('form[action="' + this.icinga.utils.parseUrl(url).path + '"]'));
+        }
+
+        // some urls may have custom filters which won't match any menu item, in that case search
+        // for a menu item that points to the base action without any filters
+        if (! this.active) {
+            this.setActiveAndSelected($menu.find('[href="' + this.icinga.utils.parseUrl(url).path + '"]').first());
+        }
+    };
+
+    /**
+     * Try to select a new URL by
+     *
+     * @param url
+     */
+    Navigation.prototype.trySetActiveAndSelectedByUrl = function(url) {
+        var active = this.active;
+        this.setActiveAndSelectedByUrl(url);
+
+        if (! this.active && active) {
+            this.setActiveAndSelected($(this.icinga.utils.getElementByDomPath(active)));
+        }
+    };
+
+    /**
+     * Remove all active elements
+     */
+    Navigation.prototype.clear = function() {
+        if (this.$menu) {
+            this.$menu.find('.active').removeClass('active');
+        }
+    };
+
+    /**
+     * Remove all selected elements
+     */
+    Navigation.prototype.clearSelected = function() {
+        if (this.$menu) {
+            this.$menu.find('.selected').removeClass('selected');
+        }
+    };
+
+    /**
+     * Select all menu items in the selector as active and unfold surrounding menus when necessary
+     *
+     * @param   $item   {jQuery}    The jQuery selector
+     */
+    Navigation.prototype.select = function($item) {
+        // support selecting the url of the menu entry
+        var $input = $item.find('input');
+        $item = $item.closest('li');
+
+        if ($item.length) {
+            // select the current item
+            var $selectedMenu = $item.addClass('active');
+
+            // unfold the containing menu
+            var $outerMenu = $selectedMenu.parent().closest('li');
+            if ($outerMenu.length) {
+                $outerMenu.addClass('active');
+            }
+        } else if ($input.length) {
+            $input.addClass('active');
+        }
+    };
+
+    Navigation.prototype.setActiveAndSelected = function ($el) {
+        if ($el.length > 1) {
+            $el.each((key, el) => {
+                if (! this.active) {
+                    this.setActiveAndSelected($(el));
+                }
+            });
+        } else if ($el.length) {
+            let parent = $el[0].closest('.nav-level-1 > .nav-item, .config-menu');
+
+            if ($el[0].offsetHeight || $el[0].offsetWidth || parent.offsetHeight || parent.offsetWidth) {
+                // It's either a visible menu item or a config menu item
+                this.setActive($el);
+                this.setSelected($el);
+            }
+        }
+    };
+
+    /**
+     * Change the active menu element
+     *
+     * @param $el   {jQuery}    A selector pointing to the active element
+     */
+    Navigation.prototype.setActive = function($el) {
+        this.clear();
+        this.select($el);
+        if ($el.closest('li')[0]) {
+            this.active = this.icinga.utils.getDomPath($el.closest('li')[0]);
+        } else if ($el.find('input')[0]) {
+            this.active = this.icinga.utils.getDomPath($el[0]);
+        } else {
+            this.active = null;
+        }
+        // TODO: push to history
+    };
+
+    Navigation.prototype.setSelected = function($el) {
+        this.clearSelected();
+        $el = $el.closest('li');
+
+        if ($el.length) {
+            $el.addClass('selected');
+        }
+    };
+
+    /**
+     * Reset the active element to nothing
+     */
+    Navigation.prototype.resetActive = function() {
+        this.clear();
+        this.active = null;
+    };
+
+    /**
+     * Reset the selected element to nothing
+     */
+    Navigation.prototype.resetSelected = function() {
+        this.clearSelected();
+        this.selected = null;
+    };
+
+    /**
+     * Show the fly-out menu
+     *
+     * @param e
+     */
+    Navigation.prototype.showFlyoutMenu = function(e) {
+        var $layout = $('#layout');
+
+        if ($layout.hasClass('minimal-layout')) {
+            return;
+        }
+
+        var $target = $(this);
+        var $flyout = $target.find('.nav-level-2');
+
+        if (! $flyout.length) {
+            $layout.removeClass('menu-hovered');
+            $target.siblings().not($target).removeClass('hover');
+            return;
+        }
+
+        var delay = 300;
+
+        if ($layout.hasClass('menu-hovered')) {
+            delay = 0;
+        }
+
+        setTimeout(function() {
+            try {
+                if (! $target.is(':hover')) {
+                    return;
+                }
+            } catch(e) { /* Bypass because if IE8 */ }
+
+            $layout.addClass('menu-hovered');
+            $target.siblings().not($target).removeClass('hover');
+            $target.addClass('hover');
+
+            $flyout.css({
+                bottom: 'auto',
+                top: $target.offset().top + $target.outerHeight()
+            });
+
+            var rect = $flyout[0].getBoundingClientRect();
+
+            if (rect.y + rect.height > window.innerHeight) {
+                $flyout.css({
+                    bottom: 0,
+                    top: 'auto'
+                });
+            }
+        }, delay);
+    };
+
+    /**
+     * Hide the fly-out menu
+     *
+     * @param e
+     */
+    Navigation.prototype.hideFlyoutMenu = function(e) {
+        var $layout = $('#layout');
+        var $nav = $(e.currentTarget);
+        var $hovered = $nav.find('.nav-level-1 > .nav-item.hover');
+
+        if (! $hovered.length) {
+            $layout.removeClass('menu-hovered');
+
+            return;
+        }
+
+        setTimeout(function() {
+            try {
+                if ($hovered.is(':hover') || $nav.is(':hover')) {
+                    return;
+                }
+            } catch(e) { /* Bypass because if IE8 */ };
+            $hovered.removeClass('hover');
+            $layout.removeClass('menu-hovered');
+        }, 600);
+    };
+
+    /**
+     * Collapse or expand sidebar
+     *
+     * @param {Object} e Event
+     */
+    Navigation.prototype.toggleSidebar = function(e) {
+        var _this = e.data.self;
+        var $layout = $('#layout');
+        $layout.toggleClass('sidebar-collapsed');
+        _this.storage.set('sidebar-collapsed', $layout.is('.sidebar-collapsed'));
+        $(window).trigger('resize');
+    };
+
+    /**
+     * Toggle config flyout visibility
+     *
+     * @param {Object} e Event
+     */
+    Navigation.prototype.toggleConfigFlyout = function(e) {
+        var _this = e.data.self;
+        if ($('#layout').is('.config-flyout-open')) {
+            _this.hideConfigFlyout(e);
+        } else {
+            _this.showConfigFlyout(e);
+        }
+    }
+
+    /**
+     * Hide config flyout
+     *
+     * @param {Object} e Event
+     */
+    Navigation.prototype.hideConfigFlyout = function(e) {
+        $('#layout').removeClass('config-flyout-open');
+        if (e.target) {
+            delete $(e.target).closest('.container')[0].dataset.suspendAutorefresh;
+        }
+    }
+
+    /**
+     * Show config flyout
+     *
+     * @param {Object} e Event
+     */
+    Navigation.prototype.showConfigFlyout = function(e) {
+        $('#layout').addClass('config-flyout-open');
+        $(e.target).closest('.container')[0].dataset.suspendAutorefresh = '';
+    }
+
+    /**
+     * Hide, config flyout when "Enter" key is pressed to follow `.flyout` nav item link
+     *
+     * @param {Object} e Event
+     */
+    Navigation.prototype.onKeyDown = function(e) {
+        var _this = e.data.self;
+
+        if (e.key == 'Enter' && $(document.activeElement).is('.flyout a')) {
+            _this.hideConfigFlyout(e);
+        }
+    }
+
+    /**
+     * Called when the history changes
+     *
+     * @param url   The url of the new state
+     * @param data  The active menu item of the new state
+     */
+    Navigation.prototype.onPopState = function (url, data) {
+        // 1. get selection data and set active menu
+        if (data) {
+            var active = this.icinga.utils.getElementByDomPath(data);
+            if (!active) {
+                this.logger.fail(
+                    'Could not restore active menu from history, path in DOM not found.',
+                    data,
+                    url
+                );
+                return;
+            }
+            this.setActiveAndSelected($(active))
+        } else {
+            this.resetActive();
+            this.resetSelected();
+        }
+    };
+
+    /**
+     * Called when the current state gets pushed onto the history, can return a value
+     * to be preserved as the current state
+     *
+     * @returns     {null|Array}    The currently active menu item
+     */
+    Navigation.prototype.onPushState = function () {
+        return this.active;
+    };
+
+    Icinga.Behaviors.Navigation = Navigation;
+
+})(Icinga, jQuery);
diff --git a/public/js/icinga/behavior/selectable.js b/public/js/icinga/behavior/selectable.js
new file mode 100644
index 0000000..3f32840
--- /dev/null
+++ b/public/js/icinga/behavior/selectable.js
@@ -0,0 +1,49 @@
+/*! Icinga Web 2 | (c) 2015 Icinga Development Team | GPLv2+ */
+
+;(function(Icinga, $) {
+    'use strict';
+
+    Icinga.Behaviors = Icinga.Behaviors || {};
+
+    /**
+     * Select all contents from the target of the given event
+     *
+     * @param {object} e Event
+     */
+    function onSelect(e) {
+        var b = document.body,
+            r;
+        if (b.createTextRange) {
+            r = b.createTextRange();
+            r.moveToElementText(e.target);
+            r.select();
+        } else if (window.getSelection) {
+            var s = window.getSelection();
+            r = document.createRange();
+            r.selectNodeContents(e.target);
+            s.removeAllRanges();
+            s.addRange(r);
+        }
+    }
+
+    /**
+     * Behavior for text that is selectable via double click
+     *
+     * @param {Icinga} icinga
+     *
+     * @constructor
+     */
+    var Selectable = function(icinga) {
+        Icinga.EventListener.call(this, icinga);
+        this.on('rendered', this.onRendered, this);
+    };
+
+    $.extend(Selectable.prototype, new Icinga.EventListener(), {
+        onRendered: function(e) {
+            $(e.target).find('.selectable').on('dblclick', onSelect);
+        }
+    });
+
+    Icinga.Behaviors.Selectable = Selectable;
+
+})(Icinga, jQuery);
diff --git a/public/js/icinga/eventlistener.js b/public/js/icinga/eventlistener.js
new file mode 100644
index 0000000..678e775
--- /dev/null
+++ b/public/js/icinga/eventlistener.js
@@ -0,0 +1,78 @@
+/*! Icinga Web 2 | (c) 2014 Icinga Development Team | GPLv2+ */
+
+/**
+ * EventListener contains event handlers and can bind / and unbind them from
+ * event emitting objects
+ */
+(function(Icinga, $) {
+
+    "use strict";
+
+    var EventListener = function (icinga) {
+        this.icinga = icinga;
+        this.handlers = [];
+    };
+
+    /**
+     * Add an handler to this EventLister
+     *
+     * @param evt   {String}    The name of the triggering event
+     * @param cond  {String}    The filter condition
+     * @param fn    {Function}  The event handler to execute
+     * @param scope {Object}    The optional 'this' of the called function
+     */
+    EventListener.prototype.on = function(evt, cond, fn, scope) {
+        if (typeof cond === 'function') {
+            scope = fn;
+            fn = cond;
+            cond = 'body';
+        }
+        this.icinga.logger.debug('on: ' + evt + '(' + cond + ')');
+        this.handlers.push({ evt: evt, cond: cond, fn: fn, scope: scope });
+    };
+
+    /**
+     * Bind all listeners to the given event emitter
+     *
+     * All event handlers will be executed when the associated event is
+     * triggered on the given Emitter.
+     *
+     * @param emitter   {String}   An event emitter that supports the function
+     *                             'on' to register listeners
+     */
+    EventListener.prototype.bind = function (emitter) {
+        var _this = this;
+
+        if (typeof emitter.jquery === 'undefined') {
+            emitter = $(emitter);
+        }
+
+        $.each(this.handlers, function(i, handler) {
+            _this.icinga.logger.debug('bind: ' + handler.evt + '(' + handler.cond + ')');
+            emitter.on(
+                handler.evt, handler.cond,
+                {
+                    self: handler.scope || emitter,
+                    icinga: _this.icinga
+                }, handler.fn
+            );
+        });
+    };
+
+    /**
+     * Unbind all listeners from the given event emitter
+     *
+     * @param emitter   {String}    An event emitter that supports the function
+     *                              'off' to un-register listeners.
+     */
+    EventListener.prototype.unbind = function (emitter) {
+        var _this = this;
+        $.each(this.handlers, function(i, handler) {
+            _this.icinga.logger.debug('unbind: ' + handler.evt + '(' + handler.cond + ')');
+            emitter.off(handler.evt, handler.cond, handler.fn);
+        });
+    };
+
+    Icinga.EventListener = EventListener;
+
+}) (Icinga, jQuery);
diff --git a/public/js/icinga/events.js b/public/js/icinga/events.js
new file mode 100644
index 0000000..186a41c
--- /dev/null
+++ b/public/js/icinga/events.js
@@ -0,0 +1,415 @@
+/*! Icinga Web 2 | (c) 2014 Icinga Development Team | GPLv2+ */
+
+/**
+ * Icinga.Events
+ *
+ * Event handlers
+ */
+(function (Icinga, $) {
+
+    'use strict';
+
+    Icinga.Events = function (icinga) {
+        this.icinga = icinga;
+
+        this.searchValue = '';
+        this.searchTimer = null;
+    };
+
+    Icinga.Events.prototype = {
+
+        /**
+         * Icinga will call our initialize() function once it's ready
+         */
+        initialize: function () {
+            this.applyGlobalDefaults();
+        },
+
+        /**
+         * Global default event handlers
+         */
+        applyGlobalDefaults: function () {
+            $(document).on('visibilitychange', { self: this }, this.onVisibilityChange);
+
+            $.each(this.icinga.behaviors, function (name, behavior) {
+                behavior.bind($(document));
+            });
+
+            // Initialize module javascript (Applies only to module.js code)
+            this.icinga.ensureSubModules(document);
+
+            // We catch resize events
+            $(window).on('resize', { self: this.icinga.ui }, this.icinga.ui.onWindowResize);
+
+            // Trigger 'rendered' event also on page loads
+            $(document).on('icinga-init', { self: this }, this.onInit);
+
+            // Destroy Icinga, clean up and interrupt pending requests on unload
+            $( window ).on('unload', { self: this }, this.onUnload);
+            $( window ).on('beforeunload', { self: this }, this.onUnload);
+
+            // Remove notifications on click
+            $(document).on('click', '#notifications li', function () { $(this).remove(); });
+
+            // We want to catch each link click
+            $(document).on('click', 'a', { self: this }, this.linkClicked);
+            $(document).on('click', 'tr[href]', { self: this }, this.linkClicked);
+
+            $(document).on('click', 'input[type="submit"], button[type="submit"]', this.rememberSubmitButton);
+            // We catch all form submit events
+            $(document).on('submit', 'form', { self: this }, this.submitForm);
+
+            // We support an 'autosubmit' class on dropdown form elements
+            $(document).on('change', 'form select.autosubmit', { self: this }, this.autoSubmitForm);
+            $(document).on('change', 'form input.autosubmit', { self: this }, this.autoSubmitForm);
+
+            // Automatically check a radio button once a specific input is focused
+            $(document).on('focus', 'form select[data-related-radiobtn]', { self: this }, this.autoCheckRadioButton);
+            $(document).on('focus', 'form input[data-related-radiobtn]', { self: this }, this.autoCheckRadioButton);
+
+            $(document).on('rendered', '#menu', { self: this }, this.onRenderedMenu);
+            $(document).on('keyup', '#search', { self: this }, this.autoSubmitSearch);
+
+            $(document).on('click', '.tree .handle', { self: this }, this.treeNodeToggle);
+
+            $(document).on('click', '#search + .search-reset', this.clearSearch);
+
+            $(document).on('rendered', '.container', { self: this }, this.loadDashlets);
+
+            // TBD: a global autocompletion handler
+            // $(document).on('keyup', 'form.auto input', this.formChangeDelayed);
+            // $(document).on('change', 'form.auto input', this.formChanged);
+            // $(document).on('change', 'form.auto select', this.submitForm);
+        },
+
+        treeNodeToggle: function () {
+            var $parent = $(this).closest('li');
+            if ($parent.hasClass('collapsed')) {
+                $('li', $parent).addClass('collapsed');
+                $parent.removeClass('collapsed');
+            } else {
+                $parent.addClass('collapsed');
+            }
+        },
+
+        onInit: function (event) {
+            $('body').removeClass('loading');
+
+            // Trigger the initial `rendered` events
+            $('.container').trigger('rendered');
+
+            // Additionally trigger a `rendered` event on the layout, some behaviors may
+            // want to differentiate whether a container or the entire layout is rendered
+            $('#layout').trigger('rendered');
+        },
+
+        onUnload: function (event) {
+            var icinga = event.data.self.icinga;
+            icinga.logger.info('Unloading Icinga');
+            icinga.destroy();
+        },
+
+        onVisibilityChange: function (event) {
+            var icinga = event.data.self.icinga;
+
+            if (document.visibilityState === undefined || document.visibilityState === 'visible') {
+                icinga.loader.autorefreshSuspended = false;
+                icinga.logger.debug('Page visible, enabling auto-refresh');
+            } else {
+                icinga.loader.autorefreshSuspended = true;
+                icinga.logger.debug('Page invisible, disabling auto-refresh');
+            }
+        },
+
+        autoCheckRadioButton: function (event) {
+            var $input = $(event.currentTarget);
+            var $radio = $('#' + $input.attr('data-related-radiobtn'));
+            if ($radio.length) {
+                $radio.prop('checked', true);
+            }
+            return true;
+        },
+
+        onRenderedMenu: function(event) {
+            var _this = event.data.self;
+            var $target = $(event.target);
+
+            var $searchField = $target.find('input.search');
+            // Remember initial search field value if any
+            if ($searchField.length && $searchField.val().length) {
+                _this.searchValue = $searchField.val();
+            }
+        },
+
+        autoSubmitSearch: function(event) {
+            var _this = event.data.self;
+            var $searchField = $(event.target);
+
+            if ($searchField.val() === _this.searchValue) {
+                return;
+            }
+            _this.searchValue = $searchField.val();
+
+            if (_this.searchTimer !== null) {
+                clearTimeout(_this.searchTimer);
+                _this.searchTimer = null;
+            }
+            var _event = $.extend({}, event);  // event seems gc'd once the timeout is over
+            _this.searchTimer = setTimeout(function () {
+                _this.submitForm(_event, $searchField);
+                _this.searchTimer = null;
+            }, 500);
+        },
+
+        loadDashlets: function(event) {
+            var _this = event.data.self;
+            var $target = $(event.target);
+
+            if ($target.children('.dashboard').length) {
+                $target.find('.dashboard > .container').each(function () {
+                    var $dashlet = $(this);
+                    var url = $dashlet.data('icingaUrl');
+                    if (typeof url !== 'undefined') {
+                        _this.icinga.loader.loadUrl(url, $dashlet).autorefresh = true;
+                    }
+                });
+            }
+        },
+
+        rememberSubmitButton: function(e) {
+            var $button = $(this);
+            var $form = $button.closest('form');
+            $form.data('submitButton', $button);
+        },
+
+        autoSubmitForm: function (event) {
+            return event.data.self.submitForm(event, $(event.currentTarget));
+        },
+
+        /**
+         *
+         */
+        submitForm: function (event, $autoSubmittedBy) {
+            var _this   = event.data.self;
+
+            // .closest is not required unless subelements to trigger this
+            var $form = $(event.currentTarget).closest('form');
+
+            if ($form.closest('[data-no-icinga-ajax]').length > 0) {
+                return true;
+            }
+            
+            var $button;
+            var $rememberedSubmittButton = $form.data('submitButton');
+            if (typeof $rememberedSubmittButton != 'undefined') {
+                if ($form.has($rememberedSubmittButton)) {
+                    $button = $rememberedSubmittButton;
+                }
+                $form.removeData('submitButton');
+            }
+
+            if (typeof $button === 'undefined') {
+                var $el;
+
+                if (typeof event.originalEvent !== 'undefined'
+                    && typeof event.originalEvent.explicitOriginalTarget === 'object') { // Firefox
+                    $el = $(event.originalEvent.explicitOriginalTarget);
+                    _this.icinga.logger.debug('events/submitForm: Button is event.originalEvent.explicitOriginalTarget');
+                } else {
+                    $el = $(event.currentTarget);
+                    _this.icinga.logger.debug('events/submitForm: Button is event.currentTarget');
+                }
+
+                if ($el && ($el.is('input[type=submit]') || $el.is('button[type=submit]'))) {
+                    $button = $el;
+                } else {
+                    _this.icinga.logger.debug(
+                        'events/submitForm: Can not determine submit button, using the first one in form'
+                    );
+                }
+            }
+
+            if (! $autoSubmittedBy && event.detail && event.detail.submittedBy) {
+                $autoSubmittedBy = $(event.detail.submittedBy);
+            }
+
+            _this.icinga.loader.submitForm($form, $autoSubmittedBy, $button);
+
+            event.stopPropagation();
+            event.preventDefault();
+            return false;
+        },
+
+        handleExternalTarget: function($node) {
+            var linkTarget = $node.attr('target');
+
+            // TODO: Let remote links pass through. Right now they only work
+            //       combined with target="_blank" or target="_self"
+            // window.open is used as return true; didn't work reliable
+            if (linkTarget === '_blank' || linkTarget === '_self') {
+                window.open($node.attr('href'), linkTarget);
+                return true;
+            }
+            return false;
+        },
+
+        /**
+         * Someone clicked a link or tr[href]
+         */
+        linkClicked: function (event) {
+            var _this   = event.data.self;
+            var icinga = _this.icinga;
+            var $a = $(this);
+            var $eventTarget = $(event.target);
+            var href = $a.attr('href');
+            var linkTarget = $a.attr('target');
+            var $target;
+            var formerUrl;
+
+            if (! href) {
+                return;
+            }
+
+            if (href.match(/^(?:(?:mailto|javascript|data):|[a-z]+:\/\/)/)) {
+                event.stopPropagation();
+                return true;
+            }
+
+            if ($a.closest('[data-no-icinga-ajax]').length > 0) {
+                return true;
+            }
+
+            // Check for ctrl or cmd click to open new tab unless clicking on a multiselect row
+            if ((event.ctrlKey || event.metaKey) && href !== '#' && $a.is('a')) {
+                window.open(href, linkTarget);
+                return false;
+            }
+
+            // Special checks for link clicks in action tables
+            if (! $a.is('tr[href]') && $a.closest('table.action').length > 0) {
+
+                // ignore clicks to ANY link with special key pressed
+                if ($a.closest('table.multiselect').length > 0 && (event.ctrlKey || event.metaKey || event.shiftKey)) {
+                    return true;
+                }
+
+                // ignore inner links matching the row URL
+                if ($a.attr('href') === $a.closest('tr[href]').attr('href')) {
+                    return true;
+                }
+            }
+
+            // window.open is used as return true; didn't work reliable
+            if (linkTarget === '_blank' || linkTarget === '_self') {
+                window.open(href, linkTarget);
+                return false;
+            }
+
+            if (! $eventTarget.is($a)) {
+                if ($eventTarget.is('input') || $eventTarget.is('button')) {
+                    // Ignore form elements in action rows
+                    return;
+                } else {
+                    var $button = $('input[type=submit]:focus').add('button[type=submit]:focus');
+                    if ($button.length > 0 && $.contains($button[0], $eventTarget[0])) {
+                        // Ignore any descendant of form elements
+                        return;
+                    }
+                }
+            }
+
+            // ignore multiselect table row clicks
+            if ($a.is('tr') && $a.closest('table.multiselect').length > 0) {
+                return;
+            }
+
+            // Handle all other links as XHR requests
+            event.stopPropagation();
+            event.preventDefault();
+
+            // This is an anchor only
+            if (href.substr(0, 1) === '#' && href.length > 1
+                && href.substr(1, 1) !== '!'
+            ) {
+                icinga.ui.focusElement(href.substr(1), $a.closest('.container'));
+                return;
+            }
+
+            // activate spinner indicator
+            if ($a.hasClass('spinner')) {
+                $a.addClass('active');
+            }
+
+            // If link has hash tag...
+            if (href.match(/#/)) {
+                if (href === '#') {
+                    if ($a.hasClass('close-container-control')) {
+                        if (! icinga.ui.isOneColLayout()) {
+                            var $cont = $a.closest('.container').first();
+                            if ($cont.attr('id') === 'col1') {
+                                icinga.ui.moveToLeft();
+                                icinga.ui.layout1col();
+                            } else {
+                                icinga.ui.layout1col();
+                            }
+                            icinga.history.pushCurrentState();
+                        }
+                    }
+                    return false;
+                }
+                $target = icinga.loader.getLinkTargetFor($a);
+
+                formerUrl = $target.data('icingaUrl');
+                if (typeof formerUrl !== 'undefined' && formerUrl.split(/#/)[0] === href.split(/#/)[0]) {
+                    icinga.ui.focusElement(href.split(/#/)[1], $target);
+                    $target.data('icingaUrl', href);
+                    if (formerUrl !== href) {
+                        icinga.history.pushCurrentState();
+                    }
+                    return false;
+                }
+            } else {
+                $target = icinga.loader.getLinkTargetFor($a);
+            }
+
+            // Load link URL
+            icinga.loader.loadUrl(href, $target);
+
+            if ($a.closest('#menu').length > 0) {
+                // Menu links should remove all but the first layout column
+                icinga.ui.layout1col();
+            }
+
+            return false;
+        },
+
+        clearSearch: function (event) {
+            $(event.target).parent().find('#search').attr('value', '');
+        },
+
+        unbindGlobalHandlers: function () {
+            $.each(this.icinga.behaviors, function (name, behavior) {
+                behavior.unbind($(document));
+            });
+            $(window).off('resize', this.onWindowResize);
+            $(window).off('load', this.onLoad);
+            $(window).off('unload', this.onUnload);
+            $(window).off('beforeunload', this.onUnload);
+            $(document).off('scroll', '.container', this.onContainerScroll);
+            $(document).off('click', 'a', this.linkClicked);
+            $(document).off('submit', 'form', this.submitForm);
+            $(document).off('change', 'form select.autosubmit', this.submitForm);
+            $(document).off('change', 'form input.autosubmit', this.submitForm);
+            $(document).off('focus', 'form select[data-related-radiobtn]', this.autoCheckRadioButton);
+            $(document).off('focus', 'form input[data-related-radiobtn]', this.autoCheckRadioButton);
+            $(document).off('visibilitychange', this.onVisibilityChange);
+        },
+
+        destroy: function() {
+            // This is gonna be hard, clean up the mess
+            this.unbindGlobalHandlers();
+            this.icinga = null;
+        }
+    };
+
+}(Icinga, jQuery));
diff --git a/public/js/icinga/history.js b/public/js/icinga/history.js
new file mode 100644
index 0000000..150be7c
--- /dev/null
+++ b/public/js/icinga/history.js
@@ -0,0 +1,338 @@
+/*! Icinga Web 2 | (c) 2014 Icinga Development Team | GPLv2+ */
+
+/**
+ * Icinga.History
+ *
+ * This is where we care about the browser History API
+ */
+(function (Icinga, $) {
+
+    'use strict';
+
+    Icinga.History = function (icinga) {
+
+        /**
+         * YES, we need Icinga
+         */
+        this.icinga = icinga;
+
+        /**
+         * Our base url
+         */
+        this.baseUrl = icinga.config.baseUrl;
+
+        /**
+         * Initial URL at load time
+         */
+        this.initialUrl = location.href;
+
+        /**
+         * Whether the History API is enabled
+         */
+        this.enabled = false;
+    };
+
+    Icinga.History.prototype = {
+
+        /**
+         * Icinga will call our initialize() function once it's ready
+         */
+        initialize: function () {
+
+            // History API will not be enabled without browser support, no fallback
+            if ('undefined' !== typeof window.history  &&
+                typeof window.history.pushState === 'function'
+            ) {
+                this.enabled = true;
+                this.icinga.logger.debug('History API enabled');
+                this.applyLocationBar(true);
+                $(window).on('popstate', { self: this }, this.onHistoryChange);
+            }
+
+        },
+
+        /**
+         * Get the current state (url and title) as object
+         *
+         * @returns {object}
+         */
+        getCurrentState: function () {
+            if (! this.enabled) {
+                return null;
+            }
+
+            var title = null;
+            var url = null;
+
+            // We only store URLs of containers sitting directly under #main:
+            $('#main > .container').each(function (idx, container) {
+                var $container = $(container),
+                    cUrl = $container.data('icingaUrl'),
+                    cTitle = $container.data('icingaTitle');
+
+                // TODO: I'd prefer to have the rightmost URL first
+                if ('undefined' !== typeof cUrl) {
+                    // TODO: solve this on server side cUrl = icinga.utils.removeUrlParams(cUrl, blacklist);
+                    if (! url) {
+                        url = cUrl;
+                    } else {
+                        url = url + '#!' + cUrl;
+                    }
+                }
+
+                if (typeof cTitle !== 'undefined') {
+                    title = cTitle; // Only uses the rightmost title
+                }
+            });
+
+            return {
+                title: title,
+                url: url,
+            };
+        },
+
+        /**
+         * Detect active URLs and push combined URL to history
+         *
+         * TODO: How should we handle POST requests? e.g. search VS login
+         */
+        pushCurrentState: function () {
+            // No history API, no action
+            if (! this.enabled) {
+                return;
+            }
+
+            var state = this.getCurrentState();
+
+            // Did we find any URL? Then push it!
+            if (state.url) {
+                this.icinga.logger.debug('Pushing current state to history');
+                this.push(state.url);
+            }
+            if (state.title) {
+                this.icinga.ui.setTitle(state.title);
+            }
+        },
+
+        /**
+         * Replace the current history entry with the current state
+         */
+        replaceCurrentState: function () {
+            if (! this.enabled) {
+                return;
+            }
+
+            var state = this.getCurrentState();
+
+            if (state.url) {
+                this.icinga.logger.debug('Replacing current history state');
+                this.lastPushUrl = state.url;
+                window.history.replaceState(
+                    this.getBehaviorState(),
+                    null,
+                    state.url
+                );
+            }
+        },
+
+        /**
+         * Push the given url as the new history state, unless the history is disabled
+         *
+         * @param   {string}    url     The full url path, including anchor
+         */
+        pushUrl: function (url) {
+            // No history API, no action
+            if (!this.enabled) {
+                return;
+            }
+            this.push(url);
+        },
+
+        /**
+         * Execute the history state, preserving the current state of behaviors
+         *
+         * Used internally by the history and should not be called externally, instead use {@link pushUrl}.
+         *
+         * @param   {string}    url
+         */
+        push: function (url) {
+            url = url.replace(/[\?&]?_(render|reload)=[a-z0-9]+/g, '');
+            if (this.lastPushUrl === url) {
+                this.icinga.logger.debug(
+                    'Ignoring history state push for url ' + url + ' as it\' currently on top of the stack'
+                );
+                return;
+            }
+            this.lastPushUrl = url;
+            window.history.pushState(
+                this.getBehaviorState(),
+                null,
+                url
+            );
+        },
+
+        /**
+         * Fetch the current state of all JS behaviors that need history support
+         *
+         * @return {Object} A key-value map, mapping behavior names to state
+         */
+        getBehaviorState: function () {
+            var data = {};
+            $.each(this.icinga.behaviors, function (i, behavior) {
+                if (behavior.onPushState instanceof Function) {
+                    data[i] = behavior.onPushState();
+                }
+            });
+            return data;
+        },
+
+        /**
+         * Event handler for pop events
+         *
+         * TODO: Fix active selection, multiple cols
+         */
+        onHistoryChange: function (event) {
+
+            var _this   = event.data.self,
+                icinga = _this.icinga;
+
+            icinga.logger.debug('Got a history change');
+
+            // We might find browsers showing strange behaviour, this log could help
+            if (event.originalEvent.state === null) {
+                icinga.logger.debug('No more history steps available');
+            } else {
+                icinga.logger.debug('History state', event.originalEvent.state);
+            }
+
+            // keep the last pushed url in sync with history changes
+            _this.lastPushUrl = location.href;
+
+            _this.applyLocationBar();
+
+            // notify behaviors of the state change
+            $.each(this.icinga.behaviors, function (i, behavior) {
+                if (behavior.onPopState instanceof Function && history.state) {
+                    behavior.onPopState(location.href, history.state[i]);
+                }
+            });
+        },
+
+        /**
+         * Update the application containers to match the current url
+         *
+         * Read the pane url from the current URL and load the corresponding panes into containers to
+         * match the current history state.
+         *
+         * @param   {Boolean}  onload  Set to true when the main pane should not be updated, defaults to false
+         */
+        applyLocationBar: function (onload = false) {
+            let col2State = this.getCol2State();
+
+            if (onload && document.querySelector('#layout > #login')) {
+                // The user landed on the login
+                let redirectInput = document.querySelector('#login form input[name=redirect]');
+                redirectInput.value = redirectInput.value + col2State;
+                return;
+            }
+
+            let col1 = document.getElementById('col1'),
+                col2 = document.getElementById('col2'),
+                col1Url = document.location.pathname + document.location.search;
+
+            let col2Url;
+            if (col2State && col2State.match(/^#!/)) {
+                col2Url = col2State.split(/#!/)[1];
+            }
+
+            // This uses jQuery only because of its internal data attribute cache -.-
+            let currentCol1Url = $(col1).data('icingaUrl'),
+                currentCol2Url = $(col2).data('icingaUrl');
+
+            let loadCol1 = ! onload,
+                loadCol2 = !! col2Url;
+            if (currentCol2Url === col1Url) {
+                // User navigated forward
+                this.icinga.ui.moveToLeft();
+                loadCol1 = false;
+            } else if (currentCol1Url === col2Url) {
+                // User navigated back
+                this.icinga.ui.moveToRight();
+                loadCol2 = false;
+            }
+
+            if (loadCol1 && currentCol1Url !== col1Url) {
+                let anchor = this.getPaneAnchor(0);
+                if (anchor) {
+                    col1Url += '#' + anchor;
+                }
+
+                this.icinga.loader.loadUrl(col1Url, $(col1)).addToHistory = false;
+            }
+
+            if (loadCol2 && currentCol2Url !== col2Url) {
+                let col2Req = this.icinga.loader.loadUrl(col2Url, $(col2));
+                col2Req.addToHistory = false;
+                col2Req.scripted = onload;
+
+                this.icinga.ui.layout2col();
+            } else if (! loadCol2 && ! col2Url) {
+                this.icinga.ui.layout1col();
+            }
+        },
+
+        /**
+         * Get the state of the selected pane
+         *
+         * @param   col {int}       The column index 0 or 1
+         *
+         * @returns     {String}    The string representing the state
+         */
+        getPaneAnchor: function (col) {
+            if (col !== 1 && col !== 0) {
+                throw 'Trying to get anchor for non-existing column: ' + col;
+            }
+            var panes = document.location.toString().split('#!')[col];
+            return panes && panes.split('#')[1] || '';
+        },
+
+        /**
+         * Get the side pane state after (and including) the #!
+         *
+         * @returns {string}    The pane url
+         */
+        getCol2State: function () {
+            var hash = document.location.hash;
+            if (hash) {
+                if (hash.match(/^#[^!]/)) {
+                    var hashs = hash.split('#');
+                    hashs.shift();
+                    hashs.shift();
+                    hash = '#' + hashs.join('#');
+                }
+            }
+            return hash || '';
+        },
+
+        /**
+         * Return the main pane state fragment
+         *
+         * @returns {string}    The main url including anchors, without #!
+         */
+        getCol1State: function () {
+            var anchor = this.getPaneAnchor(0);
+            var hash = window.location.pathname + window.location.search +
+                (anchor.length ? ('#' + anchor) : '');
+            return hash || '';
+        },
+
+        /**
+         * Cleanup
+         */
+        destroy: function () {
+            $(window).off('popstate', this.onHistoryChange);
+            this.icinga = null;
+        }
+    };
+
+}(Icinga, jQuery));
diff --git a/public/js/icinga/loader.js b/public/js/icinga/loader.js
new file mode 100644
index 0000000..2ad05d2
--- /dev/null
+++ b/public/js/icinga/loader.js
@@ -0,0 +1,1323 @@
+/*! Icinga Web 2 | (c) 2014 Icinga Development Team | GPLv2+ */
+
+/**
+ * Icinga.Loader
+ *
+ * This is where we take care of XHR requests, responses and failures.
+ */
+(function(Icinga, $) {
+
+    'use strict';
+
+    Icinga.Loader = function (icinga) {
+
+        /**
+         * YES, we need Icinga
+         */
+        this.icinga = icinga;
+
+        /**
+         * Our base url
+         */
+        this.baseUrl = icinga.config.baseUrl;
+
+        this.failureNotice = null;
+
+        /**
+         * Pending requests
+         */
+        this.requests = {};
+
+        this.iconCache = {};
+
+        /**
+         * Whether auto-refresh is enabled
+         */
+        this.autorefreshEnabled = true;
+
+        /**
+         * Whether auto-refresh is suspended due to visibility of page
+         */
+        this.autorefreshSuspended = false;
+    };
+
+    Icinga.Loader.prototype = {
+
+        initialize: function () {
+            this.icinga.timer.register(this.autorefresh, this, 500);
+        },
+
+        submitForm: function ($form, $autoSubmittedBy, $button) {
+            var icinga = this.icinga;
+            var url = $form.attr('action');
+            var method = $form.attr('method');
+            var encoding = $form.attr('enctype');
+            var progressTimer;
+            var $target;
+            var data;
+
+            if (typeof method === 'undefined') {
+                method = 'POST';
+            } else {
+                method = method.toUpperCase();
+            }
+
+            if (typeof encoding === 'undefined') {
+                encoding = 'application/x-www-form-urlencoded';
+            }
+
+            if (typeof $autoSubmittedBy === 'undefined') {
+                $autoSubmittedBy = false;
+            }
+
+            if (typeof $button === 'undefined') {
+                $button = $('input[type=submit]:focus', $form).add('button[type=submit]:focus', $form);
+            }
+
+            if ($button.length === 0) {
+                $button = $('input[type=submit]', $form).add('button[type=submit]', $form).first();
+            }
+
+            if ($button.length) {
+                // Activate spinner
+                if ($button.hasClass('spinner')) {
+                    $button.addClass('active');
+                }
+
+                $target = this.getLinkTargetFor($button);
+            } else {
+                $target = this.getLinkTargetFor($form);
+            }
+
+            if (! url) {
+                // Use the URL of the target container if the form's action is not set
+                url = $target.closest('.container').data('icinga-url');
+            }
+
+            icinga.logger.debug('Submitting form: ' + method + ' ' + url, method);
+
+            if (method === 'GET') {
+                var dataObj = $form.serializeObject();
+
+                if (! $autoSubmittedBy) {
+                    if ($button.length && $button.attr('name') !== 'undefined') {
+                        dataObj[$button.attr('name')] = $button.attr('value');
+                    }
+                }
+
+                url = icinga.utils.addUrlParams(url, dataObj);
+            } else {
+                if (encoding === 'multipart/form-data') {
+                    data = new window.FormData($form[0]);
+                } else {
+                    data = $form.serializeArray();
+                }
+
+                if (! $autoSubmittedBy) {
+                    if ($button.length && $button.attr('name') !== 'undefined') {
+                        if (encoding === 'multipart/form-data') {
+                            data.append($button.attr('name'), $button.attr('value'));
+                        } else {
+                            data.push({
+                                name: $button.attr('name'),
+                                value: $button.attr('value')
+                            });
+                        }
+                    }
+                }
+            }
+
+            // Disable all form controls to prevent resubmission except for our search input
+            // Note that disabled form inputs will not be enabled via JavaScript again
+            if (! $autoSubmittedBy
+                && ! $form.is('[role="search"]')
+                && $target.attr('id') === $form.closest('.container').attr('id')
+            ) {
+                $form.find('input[type=submit],button[type=submit],button:not([type])').prop('disabled', true);
+            }
+
+            // Show a spinner depending on how the form is being submitted
+            if ($autoSubmittedBy && $autoSubmittedBy.siblings('.spinner').length) {
+                $autoSubmittedBy.siblings('.spinner').first().addClass('active');
+            } else if ($button.length && $button.is('button') && $button.hasClass('animated')) {
+                $button.addClass('active');
+            } else if ($button.length && $button.attr('data-progress-label')) {
+                var isInput = $button.is('input');
+                if (isInput) {
+                    $button.prop('value', $button.attr('data-progress-label') + '...');
+                } else {
+                    $button.html($button.attr('data-progress-label') + '...');
+                }
+
+                // Use a fixed width to prevent the button from wobbling
+                $button.css('width', $button.css('width'));
+
+                progressTimer = icinga.timer.register(function () {
+                    var label = isInput ? $button.prop('value') : $button.html();
+                    var dots = label.substr(-3);
+
+                    // Using empty spaces here to prevent centered labels from wobbling
+                    if (dots === '...') {
+                        label = label.slice(0, -2) + '  ';
+                    } else if (dots === '.. ') {
+                        label = label.slice(0, -1) + '.';
+                    } else if (dots === '.  ') {
+                        label = label.slice(0, -2) + '. ';
+                    }
+
+                    if (isInput) {
+                        $button.prop('value', label);
+                    } else {
+                        $button.html(label);
+                    }
+                }, null, 100);
+            } else if ($button.length && $button.next().hasClass('spinner')) {
+                $('i', $button.next()).addClass('active');
+            } else if ($form.attr('data-progress-element')) {
+                var $progressElement = $('#' + $form.attr('data-progress-element'));
+                if ($progressElement.length) {
+                    if ($progressElement.hasClass('spinner')) {
+                        $('i', $progressElement).addClass('active');
+                    } else {
+                        $('i.spinner', $progressElement).addClass('active');
+                    }
+                }
+            }
+
+            var extraHeaders = {};
+            if ($autoSubmittedBy && ($autoSubmittedBy.attr('name') || $autoSubmittedBy.attr('id'))) {
+                extraHeaders['X-Icinga-AutoSubmittedBy'] = $autoSubmittedBy.attr('name') || $autoSubmittedBy.attr('id');
+            }
+
+            var req = this.loadUrl(url, $target, data, method, undefined, undefined, undefined, extraHeaders);
+            req.forceFocus = $autoSubmittedBy ? $autoSubmittedBy : $button.length ? $button : null;
+            req.autosubmit = !! $autoSubmittedBy;
+            req.addToHistory = method === 'GET';
+            req.progressTimer = progressTimer;
+
+            if ($autoSubmittedBy) {
+                if ($autoSubmittedBy.closest('.controls').length) {
+                    $('.content', req.$target).addClass('impact');
+                } else {
+                    req.$target.addClass('impact');
+                }
+            }
+
+            return req;
+        },
+
+        /**
+         * Load the given URL to the given target
+         *
+         * @param {string}  url             URL to be loaded
+         * @param {object}  target          Target jQuery element
+         * @param {object}  data            Optional parameters, usually for POST requests
+         * @param {string}  method          HTTP method, default is 'GET'
+         * @param {string}  action          How to handle the response ('replace' or 'append'), default is 'replace'
+         * @param {boolean} autorefresh     Whether the cause is a autorefresh or not
+         * @param {object}  progressTimer   A timer to be stopped when the request is done
+         * @param {object}  extraHeaders    Extra header entries
+         */
+        loadUrl: function (url, $target, data, method, action, autorefresh, progressTimer, extraHeaders) {
+            var id = null;
+
+            // Default method is GET
+            if ('undefined' === typeof method) {
+                method = 'GET';
+            }
+            if ('undefined' === typeof action) {
+                action = 'replace';
+            }
+            if ('undefined' === typeof autorefresh) {
+                autorefresh = false;
+            }
+
+            this.icinga.logger.debug('Loading ', url, ' to ', $target);
+
+            // We should do better and ignore requests without target and/or id
+            if (typeof $target !== 'undefined' && $target.attr('id')) {
+                id = $target.attr('id');
+            }
+
+            // If we have a pending request for the same target...
+            if (typeof this.requests[id] !== 'undefined') {
+                // ... ignore the new request if it is already pending with the same URL. Only abort GETs, as those
+                // are the only methods that are guaranteed to return the same value
+                if (this.requests[id].url === url && method === 'GET') {
+                    if (autorefresh) {
+                        return false;
+                    }
+
+                    this.icinga.logger.debug('Request to ', url, ' is already running for ', $target);
+                    return this.requests[id];
+                }
+
+                // ...or abort the former request otherwise
+                this.icinga.logger.debug(
+                    'Aborting pending request loading ',
+                    url,
+                    ' to ',
+                    $target
+                );
+
+                this.requests[id].abort();
+            }
+
+            // Not sure whether we need this Accept-header
+            var headers = { 'X-Icinga-Accept': 'text/html' };
+
+            if (!! id) {
+                headers['X-Icinga-Container'] = id;
+            }
+
+            if (autorefresh) {
+                headers['X-Icinga-Autorefresh'] = '1';
+            }
+
+            // Ask for a new window id in case we don't already have one
+            if (this.icinga.ui.hasWindowId()) {
+                var windowId = this.icinga.ui.getWindowId();
+                var containerId = this.icinga.ui.getUniqueContainerId($target);
+                if (containerId) {
+                    windowId = windowId + '_' + containerId;
+                }
+                headers['X-Icinga-WindowId'] = windowId;
+            } else {
+                headers['X-Icinga-WindowId'] = 'undefined';
+            }
+
+            if (typeof extraHeaders !== 'undefined') {
+                headers = $.extend(headers, extraHeaders);
+            }
+
+            // This is jQuery's default content type
+            var contentType = 'application/x-www-form-urlencoded; charset=UTF-8';
+
+            var isFormData = typeof window.FormData !== 'undefined' && data instanceof window.FormData;
+            if (isFormData) {
+                // Setting false is mandatory as the form's data
+                // won't be recognized by the server otherwise
+                contentType = false;
+            }
+
+            var _this = this;
+            var req = $.ajax({
+                type   : method,
+                url    : url,
+                data   : data,
+                headers: headers,
+                context: _this,
+                contentType: contentType,
+                processData: ! isFormData
+            });
+
+            req.$target = $target;
+            req.$redirectTarget = $target;
+            req.url = url;
+            req.done(this.onResponse);
+            req.fail(this.onFailure);
+            req.always(this.onComplete);
+            req.autorefresh = autorefresh;
+            req.autosubmit = false;
+            req.scripted = false;
+            req.method = method;
+            req.action = action;
+            req.addToHistory = true;
+            req.progressTimer = progressTimer;
+
+            if (url.match(/#/)) {
+                req.forceFocus = url.split(/#/)[1];
+            }
+
+            if (id) {
+                this.requests[id] = req;
+            }
+            if (! autorefresh) {
+                setTimeout(function () {
+                    // The column may have not been shown before. To make the transition
+                    // delay working we have to wait for the column getting rendered
+                    if (! req.autosubmit && req.state() === 'pending') {
+                        req.$target.addClass('impact');
+                    }
+                }, 0);
+            }
+            this.icinga.ui.refreshDebug();
+            return req;
+        },
+
+        /**
+         * Create an URL relative to the Icinga base Url, still unused
+         *
+         * @param {string} url Relative url
+         */
+        url: function (url) {
+            if (typeof url === 'undefined') {
+                return this.baseUrl;
+            }
+            return this.baseUrl + url;
+        },
+
+        stopPendingRequestsFor: function ($el) {
+            var id;
+            if (typeof $el === 'undefined' || ! (id = $el.attr('id'))) {
+                return;
+            }
+
+            if (typeof this.requests[id] !== 'undefined') {
+                this.requests[id].abort();
+            }
+        },
+
+        filterAutorefreshingContainers: function () {
+            return $(this).data('icingaRefresh') > 0 && ! $(this).is('[data-suspend-autorefresh]');
+        },
+
+        autorefresh: function () {
+            var _this = this;
+
+            $('.container').filter(this.filterAutorefreshingContainers).each(function (idx, el) {
+                var $el = $(el);
+                var id = $el.attr('id');
+
+                // Always request application-state
+                if (id !== 'application-state' && (! _this.autorefreshEnabled || _this.autorefreshSuspended)) {
+                    // Continue
+                    return true;
+                }
+
+                if (typeof _this.requests[id] !== 'undefined') {
+                    _this.icinga.logger.debug('No refresh, request pending for ', id);
+                    return;
+                }
+
+                var interval = $el.data('icingaRefresh');
+                var lastUpdate = $el.data('lastUpdate');
+
+                if (typeof interval === 'undefined' || ! interval) {
+                    _this.icinga.logger.info('No interval, setting default', id);
+                    interval = 10;
+                }
+
+                if (typeof lastUpdate === 'undefined' || ! lastUpdate) {
+                    _this.icinga.logger.info('No lastUpdate, setting one', id);
+                    $el.data('lastUpdate',(new Date()).getTime());
+                    return;
+                }
+                interval = interval * 1000;
+
+                // TODO:
+                if ((lastUpdate + interval) > (new Date()).getTime()) {
+                    // self.icinga.logger.info(
+                    //     'Skipping refresh',
+                    //     id,
+                    //     lastUpdate,
+                    //     interval,
+                    //     (new Date()).getTime()
+                    // );
+                    return;
+                }
+
+                if (_this.loadUrl($el.data('icingaUrl'), $el, undefined, undefined, undefined, true) === false) {
+                    _this.icinga.logger.debug(
+                        'NOT autorefreshing ' + id + ', even if ' + interval + ' ms passed. Request pending?'
+                    );
+                } else {
+                    _this.icinga.logger.debug(
+                        'Autorefreshing ' + id + ' ' + interval + ' ms passed'
+                    );
+                }
+                el = null;
+            });
+        },
+
+        /**
+         * Disable the autorefresh mechanism
+         */
+        disableAutorefresh: function () {
+            this.autorefreshEnabled = false;
+        },
+
+        /**
+         * Enable the autorefresh mechanism
+         */
+        enableAutorefresh: function () {
+            this.autorefreshEnabled = true;
+        },
+
+        processNotificationHeader: function(req) {
+            var header = req.getResponseHeader('X-Icinga-Notification');
+            var _this = this;
+            if (! header) return false;
+            var list = header.split('&');
+            $.each(list, function(idx, el) {
+                var parts = decodeURIComponent(el).split(' ');
+                _this.createNotice(parts.shift(), parts.join(' '));
+            });
+            return true;
+        },
+
+        /**
+         * Process the X-Icinga-Redirect HTTP Response Header
+         *
+         * If the response includes the X-Icinga-Redirect header, redirects to the URL associated with the header.
+         *
+         * @param   {object}    req     Current request
+         *
+         * @returns {boolean}           Whether we're about to redirect
+         */
+        processRedirectHeader: function(req) {
+            var icinga      = this.icinga,
+                redirect    = req.getResponseHeader('X-Icinga-Redirect');
+
+            if (! redirect) {
+                return false;
+            }
+
+            redirect = decodeURIComponent(redirect);
+            if (redirect.match(/__SELF__/)) {
+                if (req.autorefresh) {
+                    // Redirect to the current window's URL in case it's an auto-refresh request. If authenticated
+                    // externally this ensures seamless re-login if the session's expired
+                    redirect = redirect.replace(
+                        /__SELF__/,
+                        encodeURIComponent(
+                            document.location.pathname + document.location.search + document.location.hash
+                        )
+                    );
+                } else {
+                    // Redirect to the URL which required authentication. When clicking a link this ensures that we
+                    // redirect to the link's URL instead of the current window's URL (see above)
+                    redirect = redirect.replace(/__SELF__/, req.url);
+                }
+            } else if (redirect.match(/__BACK__/)) {
+                if (req.$redirectTarget.is('#col1')) {
+                    icinga.logger.warn('Cannot navigate back. Redirect target is #col1');
+                    return false;
+                }
+
+                var originUrl = req.$target.data('icingaUrl');
+
+                $(window).on('popstate.__back__', { self: this }, function (event) {
+                    var _this = event.data.self;
+                    var $refreshTarget = $('#col2');
+                    var refreshUrl;
+
+                    var hash = icinga.history.getCol2State();
+                    if (hash && hash.match(/^#!/)) {
+                        // TODO: These three lines are copied from history.js, I don't like this
+                        var parts = hash.split(/#!/);
+
+                        if (parts[1] === originUrl) {
+                            // After a page load a call to back() seems not to have an effect
+                            icinga.ui.layout1col();
+                        } else {
+                            refreshUrl = parts[1];
+                        }
+                    }
+
+                    if (typeof refreshUrl === 'undefined' && icinga.ui.isOneColLayout()) {
+                        refreshUrl = icinga.history.getCol1State();
+                        $refreshTarget = $('#col1');
+                    }
+
+                    // loadUrl won't run this request, as due to the history handling it's already running.
+                    // The important bit though is that it returns this (already running) request. This way
+                    // it's possible to set `scripted = true` on the request. (`addToHistory = true` should
+                    // already be the case, though it's added again just in case it's not already `true`..)
+                    var req = _this.loadUrl(refreshUrl, $refreshTarget);
+                    req.addToHistory = false;
+                    req.scripted = true;
+
+                    setTimeout(function () {
+                        // TODO: Find a better solution than a hardcoded one
+                        // This is still the *cheat* to get live results
+                        // (in case there's a delay and a change is not instantly effective)
+                        var req = _this.loadUrl(refreshUrl, $refreshTarget);
+                        req.addToHistory = false;
+                        req.scripted = true;
+                    }, 1000);
+
+                    $(window).off('popstate.__back__');
+                });
+
+                // Navigate back, no redirect desired
+                window.history.back();
+
+                return true;
+            } else if (redirect.match(/__CLOSE__/)) {
+                if (req.$redirectTarget.is('#col1')) {
+                    icinga.logger.warn('Cannot close #col1');
+                    return false;
+                }
+
+                // Close right column as requested
+                icinga.ui.layout1col();
+
+                // Refresh left column and produce a new history state for it
+                var $col1 = $('#col1');
+                var col1Url = icinga.history.getCol1State();
+                var refresh = this.loadUrl(col1Url, $col1);
+                refresh.scripted = true;
+
+                var _this = this;
+                setTimeout(function () {
+                    // TODO: Find a better solution than a hardcoded one
+                    // This is still the *cheat* to get live results
+                    // (in case there's a delay and a change is not instantly effective)
+                    var secondRefresh = _this.loadUrl(col1Url, $col1);
+                    if (secondRefresh !== refresh) {
+                        // Only change these properties if it's not still the first refresh
+                        secondRefresh.addToHistory = false;
+                        secondRefresh.scripted = true;
+                    }
+                }, 1000);
+
+                return true;
+            }
+
+            var useHttp = req.getResponseHeader('X-Icinga-Redirect-Http');
+            if (useHttp === 'yes') {
+                window.location.replace(redirect);
+                return true;
+            }
+
+            this.redirectToUrl(redirect, req.$redirectTarget, req);
+            return true;
+        },
+
+        /**
+         * Redirect to the given url
+         *
+         * @param {string}  url
+         * @param {object}  $target
+         * @param {XMLHttpRequest} referrer
+         */
+        redirectToUrl: function (url, $target, referrer) {
+            var icinga = this.icinga,
+                rerenderLayout,
+                autoRefreshInterval,
+                forceFocus,
+                origin;
+
+            if (typeof referrer !== 'undefined') {
+                rerenderLayout = referrer.getResponseHeader('X-Icinga-Rerender-Layout');
+                autoRefreshInterval = referrer.getResponseHeader('X-Icinga-Refresh');
+                forceFocus = referrer.forceFocus;
+                origin = referrer.url;
+            }
+
+            icinga.logger.debug(
+                'Got redirect for ', $target, ', URL was ' + url
+            );
+
+            if (rerenderLayout) {
+                var parts = url.split(/#!/);
+                url = parts.shift();
+                var redirectionUrl = icinga.utils.addUrlFlag(url, 'renderLayout');
+                var r = this.loadUrl(redirectionUrl, $('#layout'));
+                r.historyUrl = url;
+                if (parts.length) {
+                    r.loadNext = parts;
+                } else if (!! document.location.hash) {
+                    // Retain detail URL if the layout is rerendered
+                    parts = document.location.hash.split('#!').splice(1);
+                    if (parts.length) {
+                        r.loadNext = $.grep(parts, function (url) {
+                            if (url !== origin) {
+                                icinga.logger.debug('Retaining detail url ' + url);
+                                return true;
+                            }
+
+                            icinga.logger.debug('Discarding detail url ' + url + ' as it\'s the origin of the redirect');
+                            return false;
+                        });
+                    }
+                }
+            } else {
+                if (url.match(/#!/)) {
+                    var parts = url.split(/#!/);
+                    icinga.ui.layout2col();
+                    this.loadUrl(parts.shift(), $('#col1'));
+                    this.loadUrl(parts.shift(), $('#col2'));
+                } else {
+                    if ($target.attr('id') === 'col2') { // TODO: multicol
+                        if (($target.data('icingaUrl') || '').split('?')[0] === url.split('?')[0]) {
+                            // Don't do anything in this case
+                        } else if ($('#col1').data('icingaUrl').split('?')[0] === url.split('?')[0]) {
+                            icinga.ui.layout1col();
+                            $target = $('#col1');
+                            delete(this.requests['col2']);
+                        }
+                    }
+
+                    var req = this.loadUrl(url, $target);
+                    req.forceFocus = url === origin ? forceFocus : null;
+                    req.autoRefreshInterval = autoRefreshInterval;
+                    req.referrer = referrer;
+                }
+            }
+        },
+
+        /**
+         * Handle successful XHR response
+         */
+        onResponse: function (data, textStatus, req) {
+            var _this = this;
+            if (this.failureNotice !== null) {
+                if (! this.failureNotice.hasClass('fading-out')) {
+                    this.failureNotice.remove();
+                }
+                this.failureNotice = null;
+            }
+
+            var target = req.getResponseHeader('X-Icinga-Container');
+            var newBody = false;
+            var oldNotifications = false;
+            if (target) {
+                if (target === 'ignore') {
+                    return;
+                }
+
+                var $newTarget = this.identifyLinkTarget(target, req.$target);
+                if ($newTarget.length) {
+                    // If we change the target, oncomplete will fail to clean up
+                    // This fixes the problem, not using req.$target would be better
+                    delete this.requests[req.$target.attr('id')];
+
+                    req.$target = $newTarget;
+                    req.$redirectTarget = $newTarget;
+
+                    if (target === 'layout') {
+                        oldNotifications = $('#notifications li').detach();
+                        this.icinga.ui.layout1col();
+                        newBody = true;
+                    }
+                }
+            }
+
+            if (req.autorefresh && req.$target.is('[data-suspend-autorefresh]')) {
+                return;
+            }
+
+            this.icinga.logger.debug(
+                'Got response for ', req.$target, ', URL was ' + req.url
+            );
+            this.processNotificationHeader(req);
+
+            var cssreload = req.getResponseHeader('X-Icinga-Reload-Css');
+            if (cssreload) {
+                this.icinga.ui.reloadCss();
+            }
+
+            if (req.getResponseHeader('X-Icinga-Redirect')) {
+                return;
+            }
+
+            if (req.getResponseHeader('X-Icinga-Announcements') === 'refresh') {
+                var announceReq = _this.loadUrl(_this.url('/layout/announcements'), $('#announcements'));
+                announceReq.addToHistory = false;
+                announceReq.scripted = true;
+            }
+
+            var classes;
+
+            if (target !== 'layout') {
+                var moduleName = req.getResponseHeader('X-Icinga-Module');
+                classes = $.grep(req.$target.classes(), function (el) {
+                    if (el === 'icinga-module' || el.match(/^module\-/)) {
+                        return false;
+                    }
+                    return true;
+                });
+                if (moduleName) {
+                    // Lazy load module javascript (Applies only to module.js code)
+                    _this.icinga.ensureModule(moduleName);
+
+                    req.$target.data('icingaModule', moduleName);
+                    classes.push('icinga-module');
+                    classes.push('module-' + moduleName);
+                } else {
+                    req.$target.removeData('icingaModule');
+                    if (req.$target.attr('data-icinga-module')) {
+                        req.$target.removeAttr('data-icinga-module');
+                    }
+                }
+                req.$target.attr('class', classes.join(' '));
+
+                var refresh = req.autoRefreshInterval || req.getResponseHeader('X-Icinga-Refresh');
+                if (refresh) {
+                    req.$target.data('icingaRefresh', refresh);
+                } else {
+                    req.$target.removeData('icingaRefresh');
+                    if (req.$target.attr('data-icinga-refresh')) {
+                        req.$target.removeAttr('data-icinga-refresh');
+                    }
+                }
+            }
+
+            var title = req.getResponseHeader('X-Icinga-Title');
+            if (title && (target === 'layout' || req.$target.is('#layout'))) {
+                this.icinga.ui.setTitle(decodeURIComponent(title));
+            } else if (title && ! req.autorefresh && req.$target.closest('.dashboard').length === 0) {
+                req.$target.data('icingaTitle', decodeURIComponent(title));
+            }
+
+            // Set a window identifier if the server asks us to do so
+            var windowId = req.getResponseHeader('X-Icinga-WindowId');
+            if (windowId) {
+                this.icinga.ui.setWindowId(windowId);
+            }
+
+            var referrer = req.referrer;
+            if (typeof referrer === 'undefined') {
+                referrer = req;
+            }
+
+            var autoSubmit = false;
+            var currentUrl = this.icinga.utils.parseUrl(req.$target.data('icingaUrl'));
+            if (referrer.method === 'POST') {
+                var newUrl = this.icinga.utils.parseUrl(req.url);
+                if (newUrl.path === currentUrl.path && this.icinga.utils.arraysEqual(newUrl.params, currentUrl.params)) {
+                    autoSubmit = true;
+                }
+            }
+
+            req.$target.data('icingaUrl', req.url);
+
+            if (typeof req.progressTimer !== 'undefined') {
+                this.icinga.timer.unregister(req.progressTimer);
+            }
+
+            var contentSeparator = req.getResponseHeader('X-Icinga-Multipart-Content');
+            if (!! contentSeparator) {
+                var locationQuery = req.getResponseHeader('X-Icinga-Location-Query');
+                if (locationQuery !== null) {
+                    let url = currentUrl.path + (locationQuery ? '?' + locationQuery : '');
+                    if (req.autosubmit || autoSubmit) {
+                        // Also update a form's action if it doesn't differ from the container's url
+                        var $form = $(referrer.forceFocus).closest('form');
+                        var formAction = $form.attr('action');
+                        if (!! formAction) {
+                            formAction = this.icinga.utils.parseUrl(formAction);
+                            if (formAction.path === currentUrl.path
+                                && this.icinga.utils.arraysEqual(formAction.params, currentUrl.params)
+                            ) {
+                                $form.attr('action', url);
+                            }
+                        }
+                    }
+
+                    req.$target.data('icingaUrl', url);
+                    this.icinga.history.replaceCurrentState();
+                }
+
+                $.each(req.responseText.split(contentSeparator), function (idx, el) {
+                    var match = el.match(/for=(Behavior:)?(\S+)\s+([^]*)/m);
+                    if (!! match) {
+                        if (match[1]) {
+                            var behavior = _this.icinga.behaviors[match[2].toLowerCase()];
+                            if (typeof behavior !== 'undefined' && typeof behavior.update === 'function') {
+                                behavior.update(JSON.parse(match[3]));
+                            } else {
+                                _this.icinga.logger.warn(
+                                    'Invalid behavior. Cannot update behavior "' + match[2] + '"');
+                            }
+                        } else {
+                            var $target = $('#' + match[2]);
+                            if ($target.length) {
+                                var forceFocus;
+                                if (req.forceFocus
+                                    && typeof req.forceFocus.jquery !== 'undefined'
+                                    && $.contains($target[0], req.forceFocus[0])
+                                ) {
+                                    forceFocus = req.forceFocus;
+                                }
+
+                                _this.renderContentToContainer(
+                                    match[3],
+                                    $target,
+                                    'replace',
+                                    req.autorefresh,
+                                    forceFocus,
+                                    req.autosubmit || autoSubmit,
+                                    req.scripted
+                                );
+                            } else {
+                                _this.icinga.logger.warn(
+                                    'Invalid target ID. Cannot render multipart to #' + match[2]);
+                            }
+                        }
+                    } else {
+                        _this.icinga.logger.error('Ill-formed multipart', el);
+                    }
+                })
+            } else {
+                this.renderContentToContainer(
+                    req.responseText,
+                    req.$target,
+                    req.action,
+                    req.autorefresh,
+                    req.forceFocus,
+                    req.autosubmit || autoSubmit,
+                    req.scripted
+                );
+            }
+
+            if (oldNotifications) {
+                oldNotifications.appendTo($('#notifications'));
+            }
+            if (newBody) {
+                this.icinga.ui.fixDebugVisibility().triggerWindowResize();
+            }
+        },
+
+        /**
+         * Regardless of whether a request succeeded of failed, clean up
+         */
+        onComplete: function (dataOrReq, textStatus, reqOrError) {
+            var _this = this;
+            var req;
+
+            if (typeof dataOrReq === 'object') {
+                req = dataOrReq;
+            } else {
+                req = reqOrError;
+            }
+
+            // Remove 'impact' class if there was such
+            if (req.$target.hasClass('impact')) {
+                req.$target.removeClass('impact');
+            } else {
+                var $impact = req.$target.find('.impact').first();
+                if ($impact.length) {
+                    $impact.removeClass('impact');
+                }
+            }
+
+            if (req.getResponseHeader('X-Icinga-Reload-Window') === 'yes') {
+                window.location.reload();
+                return;
+            }
+
+            if (! req.autorefresh && ! req.autosubmit) {
+                // TODO: Hook for response/url?
+                var url = req.url;
+
+                if (req.$target[0].id === 'col1') {
+                    this.icinga.behaviors.navigation.trySetActiveAndSelectedByUrl(url);
+                }
+
+                var $forms = $('[action="' + this.icinga.utils.parseUrl(url).path + '"]');
+                var $matches = $.merge($('[href="' + url + '"]'), $forms);
+                $matches.each(function (idx, el) {
+                    var $el = $(el);
+                    if ($el.closest('#menu').length) {
+                        if ($el.is('form')) {
+                            $('input', $el).addClass('active');
+                        }
+                        // Interrupt .each, only one menu item shall be active
+                        return false;
+                    }
+                });
+            }
+
+            // Update history when necessary
+            if (! req.autorefresh && req.addToHistory) {
+                if (req.$target.hasClass('container')) {
+                    // We only want to care about top-level containers
+                    if (req.$target.parent().closest('.container').length === 0) {
+                        this.icinga.history.pushCurrentState();
+                    }
+                } else {
+                    // Request wasn't for a container, so it's usually the body
+                    // or the full layout. Push request URL to history:
+                    var url = typeof req.historyUrl !== 'undefined' ? req.historyUrl : req.url;
+                    this.icinga.history.pushUrl(url);
+                }
+            }
+
+            req.$target.data('lastUpdate', (new Date()).getTime());
+            delete this.requests[req.$target.attr('id')];
+            this.icinga.ui.fadeNotificationsAway();
+
+            var extraUpdates = req.getResponseHeader('X-Icinga-Extra-Updates');
+            if (!! extraUpdates && req.getResponseHeader('X-Icinga-Redirect-Http') !== 'yes') {
+                $.each(extraUpdates.split(','), function (idx, el) {
+                    var parts = el.trim().split(';');
+                    var $target;
+                    var url;
+                    if (parts.length === 2) {
+                        $target = $('#' + parts[0]);
+                        if (! $target.length) {
+                            _this.icinga.logger.warn('Invalid target ID. Cannot load extra URL', el);
+                            return;
+                        }
+
+                        url = parts[1];
+                    } else if (parts.length === 1) {
+                        $target = $(parts[0]).closest(".container").not(req.$target);
+                        if (! $target.length) {
+                            _this.icinga.logger.warn('Invalid target ID. Cannot load extra URL', el);
+                            return;
+                        }
+
+                        url = $target.data('icingaUrl');
+                    } else {
+                        _this.icinga.logger.error('Invalid extra update', el);
+                        return;
+                    }
+
+                    _this.loadUrl(url, $target).addToHistory = false;
+                });
+            }
+
+            if (this.processRedirectHeader(req)) {
+                return;
+            }
+
+            if (typeof req.loadNext !== 'undefined' && req.loadNext.length) {
+                if ($('#col2').length) {
+                    var r = this.loadUrl(req.loadNext[0], $('#col2'));
+                    r.addToHistory = req.addToHistory;
+                    this.icinga.ui.layout2col();
+                } else {
+                  this.icinga.logger.error('Failed to load URL for #col2', req.loadNext);
+                }
+            }
+
+            // Lazy load module javascript (Applies only to module.js code)
+            this.icinga.ensureSubModules(req.$target);
+
+            req.$target.find('.container').each(function () {
+                $(this).trigger('rendered', [req.autorefresh, req.scripted, req.autosubmit]);
+            });
+            req.$target.trigger('rendered', [req.autorefresh, req.scripted, req.autosubmit]);
+
+            this.icinga.ui.refreshDebug();
+        },
+
+        /**
+         * Handle failed XHR response
+         */
+        onFailure: function (req, textStatus, errorThrown) {
+            var url = req.url;
+
+            /*
+             * Test if a manual actions comes in and autorefresh is active: Stop refreshing
+             */
+            if (req.addToHistory && ! req.autorefresh) {
+                req.$target.data('icingaRefresh', 0);
+                req.$target.data('icingaUrl', url);
+                icinga.history.pushCurrentState();
+            }
+
+            if (typeof req.progressTimer !== 'undefined') {
+                this.icinga.timer.unregister(req.progressTimer);
+            }
+
+            if (req.status > 0 && req.status < 501) {
+                this.icinga.logger.error(
+                    req.status,
+                    errorThrown + ':',
+                    $(req.responseText).text().replace(/\s+/g, ' ').slice(0, 100)
+                );
+                this.renderContentToContainer(
+                    req.responseText,
+                    req.$target,
+                    req.action,
+                    req.autorefresh,
+                    undefined,
+                    req.autosubmit,
+                    req.scripted
+                );
+            } else {
+                if (errorThrown === 'abort') {
+                    this.icinga.logger.debug(
+                        'Request to ' + url + ' has been aborted for ',
+                        req.$target
+                    );
+
+                    // Aborted requests should not be added to browser history
+                    req.addToHistory = false;
+                } else {
+                    if (this.failureNotice === null) {
+                        var now = new Date();
+                        var padString = this.icinga.utils.padString;
+                        this.failureNotice = this.createNotice(
+                            'error',
+                            'The connection to the Icinga web server was lost at '
+                            + now.getFullYear()
+                            + '-' + padString(now.getMonth() + 1, 0, 2)
+                            + '-' + padString(now.getDate(), 0, 2)
+                            + ' ' + padString(now.getHours(), 0, 2)
+                            + ':' + padString(now.getMinutes(), 0, 2)
+                            + '.',
+                            true
+                        );
+                    }
+
+                    this.icinga.logger.error(
+                        'Failed to contact web server loading ',
+                        url,
+                        ' for ',
+                        req.$target
+                    );
+                }
+            }
+        },
+
+        /**
+         * Create a notification. Can be improved.
+         */
+        createNotice: function (severity, message, persist) {
+            var c = severity,
+                icon;
+            if (persist) {
+                c += ' persist';
+            }
+
+            switch (severity) {
+                case 'success':
+                    icon = 'check-circle';
+                    break;
+                case 'error':
+                    icon = 'times';
+                    break;
+                case 'warning':
+                    icon = 'exclamation-triangle';
+                    break;
+                case 'info':
+                    icon = 'info-circle';
+                    break;
+            }
+
+            var $notice = $(
+                '<li class="' + c + '">' +
+                '<i class="icon fa fa-' + icon + '"></i>' +
+                this.icinga.utils.escape(message) + '</li>'
+            ).appendTo($('#notifications'));
+
+            if (!persist) {
+                this.icinga.ui.fadeNotificationsAway();
+            }
+
+            return $notice;
+        },
+
+        /**
+         * Detect the link/form target for a given element (link, form, whatever)
+         *
+         * @param {object} $el jQuery set with the element
+         * @param {boolean} prepare Pass `false` to disable column preparation
+         */
+        getLinkTargetFor: function($el, prepare)
+        {
+            if (typeof prepare === 'undefined') {
+                prepare = true;
+            }
+
+            // If everything else fails, our target is the first column...
+            var $target = $('#col1');
+
+            // ...but usually we will use our own container...
+            var $container = $el.closest('.container');
+            if ($container.length) {
+                $target = $container;
+            }
+
+            // You can of course override the default behaviour:
+            if ($el.closest('[data-base-target]').length) {
+                var targetId = $el.closest('[data-base-target]').data('baseTarget');
+
+                $target = this.identifyLinkTarget(targetId, $el);
+                if (! $target.length) {
+                    this.icinga.logger.warn('Link target "#' + targetId + '" does not exist in DOM.');
+                }
+            }
+
+            if (prepare) {
+                this.icinga.ui.prepareColumnFor($el, $target);
+            }
+
+            return $target;
+        },
+
+        /**
+         * Identify link target by the given id
+         *
+         * The id may also be one of the column aliases: `_next`, `_self` and `_main`
+         *
+         * @param {string} id
+         * @param {object} $of
+         * @return {object}
+         */
+        identifyLinkTarget: function (id, $of) {
+            var $target;
+
+            if (id === '_next') {
+                if (this.icinga.ui.hasOnlyOneColumn()) {
+                    $target = $('#col1');
+                } else {
+                    $target = $('#col2');
+                }
+            } else if (id === '_self') {
+                $target = $of.closest('.container');
+            } else if (id === '_main') {
+                $target = $('#col1');
+            } else {
+                $target = $('#' + id);
+            }
+
+            return $target;
+        },
+
+        /**
+         * Smoothly render given HTML to given container
+         */
+        renderContentToContainer: function (content, $container, action, autorefresh, forceFocus, autoSubmit, scripted) {
+            // Container update happens here
+            var scrollPos = false;
+            var _this = this;
+            var containerId = $container.attr('id');
+
+            var activeElementPath = false;
+            var navigationAnchor = false;
+            var focusFallback = false;
+
+            if (forceFocus && forceFocus.length) {
+                if (typeof forceFocus === 'string') {
+                    navigationAnchor = forceFocus;
+                } else {
+                    activeElementPath = this.icinga.utils.getCSSPath($(forceFocus));
+                }
+            } else if (document.activeElement && document.activeElement.id === 'search') {
+                activeElementPath = '#search';
+            } else if (document.activeElement
+                && document.activeElement !== document.body
+                && $.contains($container[0], document.activeElement)
+            ) {
+                // Active element in container
+                var $activeElement = $(document.activeElement);
+                var $pagination = $activeElement.closest('.pagination-control');
+                if ($pagination.length) {
+                    focusFallback = {
+                        'parent': this.icinga.utils.getCSSPath($pagination),
+                        'child': '.active > a'
+                    };
+                }
+                activeElementPath = this.icinga.utils.getCSSPath($activeElement);
+            }
+
+            var scrollTarget = $container;
+            if (typeof containerId !== 'undefined') {
+                if (autorefresh || autoSubmit) {
+                    if ($container.css('display') === 'flex' && $container.is('.container')) {
+                        var $scrollableContent = $container.children('.content');
+                        scrollPos = $scrollableContent.scrollTop();
+                        scrollTarget = _this.icinga.utils.getCSSPath($scrollableContent);
+                    } else {
+                        scrollPos = $container.scrollTop();
+                    }
+                } else {
+                    scrollPos = 0;
+                }
+            }
+
+            $container.trigger('beforerender', [content, action, autorefresh, scripted, autoSubmit]);
+
+            var discard = false;
+            $.each(_this.icinga.behaviors, function(name, behavior) {
+                if (behavior.renderHook) {
+                    var changed = behavior.renderHook(content, $container, action, autorefresh, autoSubmit);
+                    if (changed === null) {
+                        discard = true;
+                    } else {
+                        content = changed;
+                    }
+                }
+            });
+
+            $('.container', $container).each(function() {
+                _this.stopPendingRequestsFor($(this));
+            });
+
+            if (! discard) {
+                if ($container.closest('.dashboard').length) {
+                    var title = $('h1', $container).first().detach();
+                    $container.html(title).append(content);
+                } else if (action === 'replace') {
+                    $container.html(content);
+                } else {
+                    $container.append(content);
+                }
+            }
+
+            this.icinga.ui.assignUniqueContainerIds();
+
+            if (! discard && navigationAnchor) {
+                var $element = $container.find('#' + navigationAnchor);
+                if ($element.length) {
+                    // data-icinga-no-scroll-on-focus is NOT designed to avoid scrolling for non-XHR requests
+                    setTimeout(this.icinga.ui.focusElement.bind(this.icinga.ui), 0,
+                        $element, $container, ! $element.is('[data-icinga-no-scroll-on-focus]'));
+                }
+            } else if (! activeElementPath) {
+                // Active element was not in this container
+                if (! autorefresh && ! autoSubmit && ! scripted) {
+                    setTimeout(function() {
+                        if (typeof $container.attr('tabindex') === 'undefined') {
+                            $container.attr('tabindex', -1);
+                        }
+                        // Do not touch focus in case a module or component already placed it
+                        if ($(document.activeElement).closest('.container').attr('id') !== containerId) {
+                            _this.icinga.ui.focusElement($container);
+                        }
+                    }, 0);
+                }
+            } else {
+                setTimeout(function() {
+                    var $activeElement = $(activeElementPath);
+
+                    if ($activeElement.length && $activeElement.is(':visible')) {
+                        $activeElement[0].focus({preventScroll: autorefresh || autoSubmit});
+                    } else if (! autorefresh && ! autoSubmit && ! scripted) {
+                        if (focusFallback) {
+                            _this.icinga.ui.focusElement($(focusFallback.parent).find(focusFallback.child));
+                        } else if (typeof $container.attr('tabindex') === 'undefined') {
+                            $container.attr('tabindex', -1);
+                        }
+                        _this.icinga.ui.focusElement($container);
+                    }
+                }, 0);
+            }
+
+            if (scrollPos !== false) {
+                var $scrollTarget = $(scrollTarget);
+                $scrollTarget.scrollTop(scrollPos);
+
+                // Fallback for browsers without support for focus({preventScroll: true})
+                setTimeout(function () {
+                    if ($scrollTarget.scrollTop() !== scrollPos) {
+                        $scrollTarget.scrollTop(scrollPos);
+                    }
+                }, 0);
+            }
+
+            // Re-enable all click events (disabled as of performance reasons)
+            // $('*').off('click');
+        },
+
+        /**
+         * On shutdown we kill all pending requests
+         */
+        destroy: function() {
+            $.each(this.requests, function(id, request) {
+                request.abort();
+            });
+            this.icinga = null;
+            this.requests = {};
+        }
+
+    };
+
+}(Icinga, jQuery));
diff --git a/public/js/icinga/logger.js b/public/js/icinga/logger.js
new file mode 100644
index 0000000..471393c
--- /dev/null
+++ b/public/js/icinga/logger.js
@@ -0,0 +1,129 @@
+/*! Icinga Web 2 | (c) 2014 Icinga Development Team | GPLv2+ */
+
+/**
+ * Icinga.Logger
+ *
+ * Well, log output. Rocket science.
+ */
+(function (Icinga) {
+
+    'use strict';
+
+    Icinga.Logger = function (icinga) {
+
+        this.icinga = icinga;
+
+        this.logLevel = 'info';
+
+        this.logLevels = {
+            'debug': 0,
+            'info' : 1,
+            'warn' : 2,
+            'error': 3
+        };
+
+    };
+
+    Icinga.Logger.prototype = {
+
+        /**
+         * Whether the browser has a console object
+         */
+        hasConsole: function () {
+            return 'undefined' !== typeof console;
+        },
+
+        /**
+         * Raise or lower current log level
+         *
+         * Messages below this threshold will be silently discarded
+         */
+        setLevel: function (level) {
+            if ('undefined' !== typeof this.numericLevel(level)) {
+                this.logLevel = level;
+            }
+            return this;
+        },
+
+        /**
+         * Log a debug message
+         */
+        debug: function () {
+            return this.writeToConsole('debug', arguments);
+        },
+
+        /**
+         * Log an informational message
+         */
+        info: function () {
+            return this.writeToConsole('info', arguments);
+        },
+
+        /**
+         * Log a warning message
+         */
+        warn: function () {
+            return this.writeToConsole('warn', arguments);
+        },
+
+        /**
+         * Log an error message
+         */
+        error: function () {
+            return this.writeToConsole('error', arguments);
+        },
+
+        /**
+         * Write a log message with the given level to the console
+         */
+        writeToConsole: function (level, args) {
+
+            args = Array.prototype.slice.call(args);
+
+            // We want our log messages to carry precise timestamps
+            args.unshift(this.icinga.utils.timeWithMs());
+
+            if (this.hasConsole() && this.hasLogLevel(level)) {
+                if (typeof console[level] !== 'undefined') {
+                    if (typeof console[level].apply === 'function') {
+                        console[level].apply(console, args);
+                    } else {
+                        args.unshift('[' + level + ']');
+                        console[level](args.join(' '));
+                    }
+                } else if ('undefined' !== typeof console.log) {
+                    args.unshift('[' + level + ']');
+                    console.log(args.join(' '));
+                }
+            }
+            return this;
+        },
+
+        /**
+         * Return the numeric identifier for a given log level
+         */
+        numericLevel: function (level) {
+            var ret = this.logLevels[level];
+            if ('undefined' === typeof ret) {
+                throw 'Got invalid log level ' + level;
+            }
+            return ret;
+        },
+
+        /**
+         * Whether a given log level exists
+         */
+        hasLogLevel: function (level) {
+            return this.numericLevel(level) >= this.numericLevel(this.logLevel);
+        },
+
+        /**
+         * There isn't much to clean up here
+         */
+        destroy: function () {
+            this.enabled = false;
+            this.icinga = null;
+        }
+    };
+
+}(Icinga));
diff --git a/public/js/icinga/module.js b/public/js/icinga/module.js
new file mode 100644
index 0000000..2c2368e
--- /dev/null
+++ b/public/js/icinga/module.js
@@ -0,0 +1,134 @@
+/*! Icinga Web 2 | (c) 2013 Icinga Development Team | GPLv2+ */
+
+/**
+ * This is how we bootstrap JS code in our modules
+ */
+(function(Icinga, $) {
+
+    'use strict';
+
+    Icinga.Module = function (icinga, name, prototyp) {
+
+        // The Icinga instance
+        this.icinga = icinga;
+
+        // Applied event handlers
+        this.handlers = [];
+
+        // Event handlers registered by this module
+        this.registeredHandlers = [];
+
+        // The module name
+        this.name = name;
+
+        // The JS prototype for this module
+        this.prototyp = prototyp;
+
+        // Once initialized, this will be an instance of the modules prototype
+        this.object = {};
+
+        // Initialize this module
+        this.initialize();
+    };
+
+    Icinga.Module.prototype = {
+
+        initialize: function () {
+
+            if (typeof this.prototyp !== 'function') {
+                this.icinga.logger.error(
+                    'Unable to load module "' + this.name + '", constructor is missing'
+                );
+                return false;
+            }
+
+            try {
+
+                // The constructor of the modules prototype must be prepared to get an
+                // instance of Icinga.Module
+                this.object = new this.prototyp(this);
+                this.applyHandlers();
+            } catch(e) {
+                this.icinga.logger.error(
+                    'Failed to load module ' + this.name + ': ',
+                    e
+                );
+
+                return false;
+            }
+
+            // That's all, the module is ready
+            this.icinga.logger.debug(
+                'Module ' + this.name + ' has been initialized'
+            );
+
+            return true;
+        },
+
+        /**
+         * Register this modules event handlers
+         */
+        on: function (event, filter, handler) {
+            if (typeof handler === 'undefined') {
+                handler = filter;
+                filter = '.module-' + this.name;
+            } else {
+                filter = '.module-' + this.name + ' ' + filter;
+            }
+            this.registeredHandlers.push({event: event, filter: filter, handler: handler});
+
+        },
+
+        applyHandlers: function () {
+            var _this = this;
+
+            $.each(this.registeredHandlers, function (key, on) {
+                _this.bindEventHandler(
+                    on.event,
+                    on.filter,
+                    on.handler
+                );
+            });
+            _this = null;
+
+            return this;
+        },
+
+        /**
+         * Effectively bind the given event handler
+         */
+        bindEventHandler: function (event, filter, handler) {
+            var _this = this;
+            this.icinga.logger.debug('Bound ' + filter + ' .' + event + '()');
+            this.handlers.push([event, filter, handler]);
+            $(document).on(event, filter, handler.bind(_this.object));
+        },
+
+        /**
+         * Unbind all event handlers bound by this module
+         */
+        unbindEventHandlers: function () {
+            $.each(this.handlers, function (idx, handler) {
+                $(document).off(handler[0], handler[1], handler[2]);
+            });
+        },
+
+        /**
+         * Allow to destroy and clean up this module
+         */
+        destroy: function () {
+
+            this.unbindEventHandlers();
+
+            if (typeof this.object.destroy === 'function') {
+              this.object.destroy();
+            }
+
+            this.object = null;
+            this.icinga = null;
+            this.prototyp = null;
+        }
+
+    };
+
+}(Icinga, jQuery));
diff --git a/public/js/icinga/storage.js b/public/js/icinga/storage.js
new file mode 100644
index 0000000..fa312d2
--- /dev/null
+++ b/public/js/icinga/storage.js
@@ -0,0 +1,549 @@
+/*! Icinga Web 2 | (c) 2019 Icinga GmbH | GPLv2+ */
+
+;(function(Icinga) {
+
+    'use strict';
+
+    const KEY_TTL = 7776000000; // 90 days (90×24×60×60×1000)
+
+    /**
+     * Icinga.Storage
+     *
+     * localStorage access
+     *
+     * @param   {string}    prefix
+     */
+    Icinga.Storage = function(prefix) {
+
+        /**
+         * Prefix to use for keys
+         *
+         * @type {string}
+         */
+        this.prefix = prefix;
+
+        /**
+         * Storage backend
+         *
+         * @type {Storage}
+         */
+        this.backend = window.localStorage;
+    };
+
+    /**
+     * Callbacks for storage events on particular keys
+     *
+     * @type {{function}}
+     */
+    Icinga.Storage.subscribers = {};
+
+    /**
+     * Pass storage events to subscribers
+     *
+     * @param   {StorageEvent}  event
+     */
+    window.addEventListener('storage', function(event) {
+        var url = icinga.utils.parseUrl(event.url);
+        if (! url.path.startsWith(icinga.config.baseUrl)) {
+            // A localStorage is shared between all paths on the same origin.
+            // So we need to make sure it's us who made a change.
+            return;
+        }
+
+        if (typeof Icinga.Storage.subscribers[event.key] !== 'undefined') {
+            var newValue = null,
+                oldValue = null;
+            if (!! event.newValue) {
+                try {
+                    newValue = JSON.parse(event.newValue);
+                } catch(error) {
+                    icinga.logger.error('[Storage] Failed to parse new value (\`' + event.newValue
+                        + '\`) for key "' + event.key + '". Error was: ' + error);
+                    event.storageArea.removeItem(event.key);
+                    return;
+                }
+            }
+            if (!! event.oldValue) {
+                try {
+                    oldValue = JSON.parse(event.oldValue);
+                } catch(error) {
+                    icinga.logger.warn('[Storage] Failed to parse old value (\`' + event.oldValue
+                        + '\`) of key "' + event.key + '". Error was: ' + error);
+                    oldValue = null;
+                }
+            }
+
+            Icinga.Storage.subscribers[event.key].forEach(function (subscriber) {
+                subscriber[0].call(subscriber[1], newValue, oldValue, event);
+            });
+        }
+    });
+
+    /**
+     * Create a new storage with `behavior.<name>` as prefix
+     *
+     * @param   {string}    name
+     *
+     * @returns {Icinga.Storage}
+     */
+    Icinga.Storage.BehaviorStorage = function(name) {
+        return new Icinga.Storage('behavior.' + name);
+    };
+
+    Icinga.Storage.prototype = {
+
+        /**
+         * Set the storage backend
+         *
+         * @param {Storage} backend
+         */
+        setBackend: function(backend) {
+            this.backend = backend;
+        },
+
+        /**
+         * Prefix the given key
+         *
+         * @param   {string}    key
+         *
+         * @returns {string}
+         */
+        prefixKey: function(key) {
+            var prefix = 'icinga.';
+            if (typeof this.prefix !== 'undefined') {
+                prefix = prefix + this.prefix + '.';
+            }
+
+            return prefix + key;
+        },
+
+        /**
+         * Store the given key-value pair
+         *
+         * @param   {string}    key
+         * @param   {*}         value
+         *
+         * @returns {void}
+         */
+        set: function(key, value) {
+            this.backend.setItem(this.prefixKey(key), JSON.stringify(value));
+        },
+
+        /**
+         * Get value for the given key
+         *
+         * @param   {string}    key
+         *
+         * @returns {*}
+         */
+        get: function(key) {
+            key = this.prefixKey(key);
+            var value = this.backend.getItem(key);
+
+            try {
+                return JSON.parse(value);
+            } catch(error) {
+                icinga.logger.error('[Storage] Failed to parse value (\`' + value
+                    + '\`) of key "' + key + '". Error was: ' + error);
+                this.backend.removeItem(key);
+                return null;
+            }
+        },
+
+        /**
+         * Remove given key from storage
+         *
+         * @param   {string}    key
+         *
+         * @returns {void}
+         */
+        remove: function(key) {
+            this.backend.removeItem(this.prefixKey(key));
+        },
+
+        /**
+         * Subscribe with a callback for events on a particular key
+         *
+         * @param   {string}    key
+         * @param   {function}  callback
+         * @param   {object}    context
+         *
+         * @returns {void}
+         */
+        onChange: function(key, callback, context) {
+            if (this.backend !== window.localStorage) {
+                throw new Error('[Storage] Only the localStorage emits events');
+            }
+
+            var prefixedKey = this.prefixKey(key);
+
+            if (typeof Icinga.Storage.subscribers[prefixedKey] === 'undefined') {
+                Icinga.Storage.subscribers[prefixedKey] = [];
+            }
+
+            Icinga.Storage.subscribers[prefixedKey].push([callback, context]);
+        }
+    };
+
+    /**
+     * Icinga.Storage.StorageAwareMap
+     *
+     * @param   {object} items
+     * @constructor
+     */
+    Icinga.Storage.StorageAwareMap = function(items) {
+
+        /**
+         * Storage object
+         *
+         * @type {Icinga.Storage}
+         */
+        this.storage = undefined;
+
+        /**
+         * Storage key
+         *
+         * @type {string}
+         */
+        this.key = undefined;
+
+        /**
+         * Event listeners for our internal events
+         *
+         * @type {{}}
+         */
+        this.eventListeners = {
+            'add': [],
+            'delete': []
+        };
+
+        /**
+         * The internal (real) map
+         *
+         * @type {Map<*>}
+         */
+        this.data = new Map();
+
+        // items is not passed directly because IE11 doesn't support constructor arguments
+        if (typeof items !== 'undefined' && !! items) {
+            Object.keys(items).forEach(function(key) {
+                this.data.set(key, items[key]);
+            }, this);
+        }
+    };
+
+    /**
+     * Create a new StorageAwareMap for the given storage and key
+     *
+     * @param   {Icinga.Storage}    storage
+     * @param   {string}            key
+     *
+     * @returns {Icinga.Storage.StorageAwareMap}
+     */
+    Icinga.Storage.StorageAwareMap.withStorage = function(storage, key) {
+        var items = storage.get(key);
+        if (typeof items !== 'undefined' && !! items) {
+            Object.keys(items).forEach(function(key) {
+                var value = items[key];
+
+                if (typeof value !== 'object' || typeof value['lastAccess'] === 'undefined') {
+                    items[key] = {'value': value, 'lastAccess': Date.now()};
+                } else if (Date.now() - value['lastAccess'] > KEY_TTL) {
+                    delete items[key];
+                }
+            }, this);
+        }
+
+        if (!! items && Object.keys(items).length) {
+            storage.set(key, items);
+        } else if (items !== null) {
+            storage.remove(key);
+        }
+
+        return (new Icinga.Storage.StorageAwareMap(items).setStorage(storage, key));
+    };
+
+    Icinga.Storage.StorageAwareMap.prototype = {
+
+        /**
+         * Bind this map to the given storage and key
+         *
+         * @param   {Icinga.Storage}    storage
+         * @param   {string}            key
+         *
+         * @returns {this}
+         */
+        setStorage: function(storage, key) {
+            this.storage = storage;
+            this.key = key;
+
+            if (storage.backend === window.localStorage) {
+                storage.onChange(key, this.onChange, this);
+            }
+
+            return this;
+        },
+
+        /**
+         * Return a boolean indicating this map got a storage
+         *
+         * @returns {boolean}
+         */
+        hasStorage: function() {
+            return typeof this.storage !== 'undefined' && typeof this.key !== 'undefined';
+        },
+
+        /**
+         * Update the storage
+         *
+         * @returns {void}
+         */
+        updateStorage: function() {
+            if (! this.hasStorage()) {
+                return;
+            }
+
+            if (this.size > 0) {
+                this.storage.set(this.key, this.toObject());
+            } else {
+                this.storage.remove(this.key);
+            }
+        },
+
+        /**
+         * Update the map
+         *
+         * @param   {object}    newValue
+         */
+        onChange: function(newValue) {
+            // Check for deletions first. Uses keys() to iterate over a copy
+            this.keys().forEach(function (key) {
+                if (newValue === null || typeof newValue[key] === 'undefined') {
+                    var value = this.data.get(key)['value'];
+                    this.data.delete(key);
+                    this.trigger('delete', key, value);
+                }
+            }, this);
+
+            if (newValue === null) {
+                return;
+            }
+
+            // Now check for new entries
+            Object.keys(newValue).forEach(function(key) {
+                var known = this.data.has(key);
+                // Always override any known value as we want to keep track of all `lastAccess` changes
+                this.data.set(key, newValue[key]);
+
+                if (! known) {
+                    this.trigger('add', key, newValue[key]['value']);
+                }
+            }, this);
+        },
+
+        /**
+         * Register an event handler to handle storage updates
+         *
+         * Available events are: add, delete. The callback receives the
+         * key and its value as first and second argument, respectively.
+         *
+         * @param   {string}    event
+         * @param   {function}  callback
+         * @param   {object}    thisArg
+         *
+         * @returns {this}
+         */
+        on: function(event, callback, thisArg) {
+            if (typeof this.eventListeners[event] === 'undefined') {
+                throw new Error('Invalid event "' + event + '"');
+            }
+
+            this.eventListeners[event].push([callback, thisArg]);
+            return this;
+        },
+
+        /**
+         * Trigger all event handlers for the given event
+         *
+         * @param   {string}    event
+         * @param   {string}    key
+         * @param   {*}         value
+         */
+        trigger: function(event, key, value) {
+            this.eventListeners[event].forEach(function (handler) {
+                var thisArg = handler[1];
+                if (typeof thisArg === 'undefined') {
+                    thisArg = this;
+                }
+
+                handler[0].call(thisArg, key, value);
+            });
+        },
+
+        /**
+         * Return the number of key/value pairs in the map
+         *
+         * @returns {number}
+         */
+        get size() {
+            return this.data.size;
+        },
+
+        /**
+         * Set the value for the key in the map
+         *
+         * @param   {string}    key
+         * @param   {*}         value   Default null
+         *
+         * @returns {this}
+         */
+        set: function(key, value) {
+            if (typeof value === 'undefined') {
+                value = null;
+            }
+
+            this.data.set(key, {'value': value, 'lastAccess': Date.now()});
+
+            this.updateStorage();
+            return this;
+        },
+
+        /**
+         * Remove all key/value pairs from the map
+         *
+         * @returns {void}
+         */
+        clear: function() {
+            this.data.clear();
+            this.updateStorage();
+        },
+
+        /**
+         * Remove the given key from the map
+         *
+         * @param   {string}    key
+         *
+         * @returns {boolean}
+         */
+        delete: function(key) {
+            var retVal = this.data.delete(key);
+
+            this.updateStorage();
+            return retVal;
+        },
+
+        /**
+         * Return a list of [key, value] pairs for every item in the map
+         *
+         * @returns {Array}
+         */
+        entries: function() {
+            var list = [];
+
+            if (this.size > 0) {
+                this.data.forEach(function (value, key) {
+                    list.push([key, value['value']]);
+                });
+            }
+
+            return list;
+        },
+
+        /**
+         * Execute a provided function once for each item in the map, in insertion order
+         *
+         * @param   {function}  callback
+         * @param   {object}    thisArg
+         *
+         * @returns {void}
+         */
+        forEach: function(callback, thisArg) {
+            if (typeof thisArg === 'undefined') {
+                thisArg = this;
+            }
+
+            this.data.forEach(function(value, key) {
+                callback.call(thisArg, value['value'], key);
+            });
+        },
+
+        /**
+         * Return the value associated to the key, or undefined if there is none
+         *
+         * @param   {string}    key
+         *
+         * @returns {*}
+         */
+        get: function(key) {
+            var value = this.data.get(key)['value'];
+            this.set(key, value); // Update `lastAccess`
+
+            return value;
+        },
+
+        /**
+         * Return a boolean asserting whether a value has been associated to the key in the map
+         *
+         * @param   {string}    key
+         *
+         * @returns {boolean}
+         */
+        has: function(key) {
+            return this.data.has(key);
+        },
+
+        /**
+         * Return an array of keys in the map
+         *
+         * @returns {Array}
+         */
+        keys: function() {
+            var list = [];
+
+            if (this.size > 0) {
+                // .forEach() is used because IE11 doesn't support .keys()
+                this.data.forEach(function(_, key) {
+                    list.push(key);
+                });
+            }
+
+            return list;
+        },
+
+        /**
+         * Return an array of values in the map
+         *
+         * @returns {Array}
+         */
+        values: function() {
+            var list = [];
+
+            if (this.size > 0) {
+                // .forEach() is used because IE11 doesn't support .values()
+                this.data.forEach(function(value) {
+                    list.push(value['value']);
+                });
+            }
+
+            return list;
+        },
+
+        /**
+         * Return this map as simple object
+         *
+         * @returns {object}
+         */
+        toObject: function() {
+            var obj = {};
+
+            if (this.size > 0) {
+                this.data.forEach(function (value, key) {
+                    obj[key] = value;
+                });
+            }
+
+            return obj;
+        }
+    };
+
+}(Icinga));
diff --git a/public/js/icinga/timer.js b/public/js/icinga/timer.js
new file mode 100644
index 0000000..0fea4d9
--- /dev/null
+++ b/public/js/icinga/timer.js
@@ -0,0 +1,176 @@
+/*! Icinga Web 2 | (c) 2014 Icinga Development Team | GPLv2+ */
+
+/**
+ * Icinga.Timer
+ *
+ * Timer events are triggered once a second. Runs all reegistered callback
+ * functions and is able to preserve a desired scope.
+ */
+(function(Icinga, $) {
+
+    'use strict';
+
+    Icinga.Timer = function (icinga) {
+
+        /**
+         * We keep a reference to the Icinga instance even if we don't need it
+         */
+        this.icinga = icinga;
+
+        /**
+         * The Interval object
+         */
+        this.ticker = null;
+
+        /**
+         * Fixed default interval is 250ms
+         */
+        this.interval = 250;
+
+        /**
+         * Our registerd observers
+         */
+        this.observers = [];
+
+        /**
+         * Counter
+         */
+        this.stepCounter = 0;
+
+        this.start = (new Date()).getTime();
+
+
+        this.lastRuntime = [];
+
+        this.isRunning = false;
+    };
+
+    Icinga.Timer.prototype = {
+
+        /**
+         * The initialization function starts our ticker
+         */
+        initialize: function () {
+            this.isRunning = true;
+
+            var _this = this;
+            var f = function () {
+                if (_this.isRunning) {
+                    _this.tick();
+                    setTimeout(f, _this.interval);
+                }
+            };
+            f();
+        },
+
+        /**
+         * We will trigger our tick function once a second. It will call each
+         * registered observer.
+         */
+        tick: function () {
+
+            var icinga = this.icinga;
+
+            $.each(this.observers, function (idx, observer) {
+                if (observer.isDue()) {
+                    observer.run();
+                } else {
+                    // Not due
+                }
+            });
+            icinga = null;
+        },
+
+        /**
+         * Register a given callback function to be run within an optional scope.
+         */
+        register: function (callback, scope, interval) {
+
+            var observer;
+
+            try {
+
+                if (typeof scope === 'undefined') {
+                    observer = new Icinga.Timer.Interval(callback, interval);
+                } else {
+                    observer = new Icinga.Timer.Interval(
+                        callback.bind(scope),
+                        interval
+                    );
+                }
+
+                this.observers.push(observer);
+
+            } catch(err) {
+                this.icinga.logger.error(err);
+            }
+
+            return observer;
+        },
+
+        unregister: function (observer) {
+
+            var idx = $.inArray(observer, this.observers);
+            if (idx > -1) {
+                this.observers.splice(idx, 1);
+            }
+
+            return this;
+        },
+
+        /**
+         * Our destroy function will clean up everything. Unused right now.
+         */
+        destroy: function () {
+            this.isRunning = false;
+
+            this.icinga = null;
+            $.each(this.observers, function (idx, observer) {
+                observer.destroy();
+            });
+
+            this.observers = [];
+        }
+    };
+
+    Icinga.Timer.Interval = function (callback, interval) {
+
+        if ('undefined' === typeof interval) {
+            throw 'Timer interval is required';
+        }
+
+        if (interval < 100) {
+            throw 'Timer interval cannot be less than 100ms, got ' + interval;
+        }
+
+        this.lastRun = (new Date()).getTime();
+
+        this.interval = interval;
+
+        this.scheduledNextRun = this.lastRun + interval;
+
+        this.callback = callback;
+    };
+
+    Icinga.Timer.Interval.prototype = {
+
+        isDue: function () {
+            return this.scheduledNextRun < (new Date()).getTime();
+        },
+
+        run: function () {
+            this.lastRun = (new Date()).getTime();
+
+            while (this.scheduledNextRun < this.lastRun) {
+              this.scheduledNextRun += this.interval;
+            }
+
+            this.callback();
+        },
+
+        destroy: function () {
+            this.callback = null;
+        }
+    };
+
+}(Icinga, jQuery));
diff --git a/public/js/icinga/timezone.js b/public/js/icinga/timezone.js
new file mode 100644
index 0000000..1c2647b
--- /dev/null
+++ b/public/js/icinga/timezone.js
@@ -0,0 +1,105 @@
+/*! Icinga Web 2 | (c) 2014 Icinga Development Team | GPLv2+ */
+
+(function(Icinga, $) {
+
+    'use strict';
+
+    /**
+     * Get the maximum timezone offset
+     *
+     * @returns {Number}
+     */
+    Date.prototype.getStdTimezoneOffset = function() {
+        var year = new Date().getFullYear();
+        var offsetInJanuary = new Date(year, 0, 2).getTimezoneOffset();
+        var offsetInJune = new Date(year, 5, 2).getTimezoneOffset();
+
+        return Math.max(offsetInJanuary, offsetInJune);
+    };
+
+    /**
+     * Test for daylight saving time zone
+     *
+     * @returns {boolean}
+     */
+    Date.prototype.isDst = function() {
+        return this.getStdTimezoneOffset() !== this.getTimezoneOffset();
+    };
+
+    /**
+     * Write timezone information into a cookie
+     *
+     * @constructor
+     */
+    Icinga.Timezone = function() {
+        this.cookieName = 'icingaweb2-tzo';
+    };
+
+    Icinga.Timezone.prototype = {
+        /**
+         * Initialize interface method
+         */
+        initialize: function () {
+            this.writeTimezone();
+        },
+
+        destroy: function() {
+            // PASS
+        },
+
+        /**
+         * Write timezone information into cookie
+         */
+        writeTimezone: function() {
+            var date = new Date();
+            var timezoneOffset = (date.getTimezoneOffset()*60) * -1;
+            var dst = date.isDst();
+
+            if (this.readCookie(this.cookieName)) {
+                return;
+            }
+
+            this.writeCookie(this.cookieName, timezoneOffset + '-' + Number(dst), 1);
+        },
+
+        /**
+         * Write cookie data
+         *
+         * @param {String} name
+         * @param {String} value
+         * @param {Number} days
+         */
+        writeCookie: function(name, value, days) {
+            var expires = '';
+
+            if (days) {
+                var date = new Date();
+                date.setTime(date.getTime()+(days*24*60*60*1000));
+                var expires = '; expires=' + date.toGMTString();
+            }
+            document.cookie = name + '=' + value + expires + '; path=/';
+        },
+
+        /**
+         * Read cookie data
+         *
+         * @param {String} name
+         * @returns {*}
+         */
+        readCookie: function(name) {
+            var nameEq = name + '=';
+            var ca = document.cookie.split(';');
+            for(var i=0;i < ca.length;i++) {
+                var c = ca[i];
+                while (c.charAt(0)==' ') {
+                    c = c.substring(1,c.length);
+                }
+                if (c.indexOf(nameEq) == 0) {
+                    return c.substring(nameEq.length,c.length);
+                }
+            }
+            return null;
+        }
+    };
+
+})(Icinga, jQuery);
diff --git a/public/js/icinga/ui.js b/public/js/icinga/ui.js
new file mode 100644
index 0000000..b41de06
--- /dev/null
+++ b/public/js/icinga/ui.js
@@ -0,0 +1,634 @@
+/*! Icinga Web 2 | (c) 2014 Icinga Development Team | GPLv2+ */
+
+/**
+ * Icinga.UI
+ *
+ * Our user interface
+ */
+(function(Icinga, $) {
+
+    'use strict';
+
+    Icinga.UI = function (icinga) {
+
+        this.icinga = icinga;
+
+        this.currentLayout = 'default';
+
+        this.debug = false;
+
+        this.debugTimer = null;
+
+        this.timeCounterTimer = null;
+
+        // detect currentLayout
+        var classList = $('#layout').attr('class').split(/\s+/);
+        var _this = this;
+        var matched;
+        $.each(classList, function(index, item) {
+            if (null !== (matched = item.match(/^([a-z]+)-layout$/))) {
+                var layout = matched[1];
+                if (layout !== 'fullscreen') {
+                    _this.currentLayout = layout;
+                    // Break loop
+                    return false;
+                }
+            }
+        });
+    };
+
+    Icinga.UI.prototype = {
+
+        initialize: function () {
+            $('html').removeClass('no-js').addClass('js');
+            this.enableTimeCounters();
+            this.triggerWindowResize();
+            this.fadeNotificationsAway();
+
+            $(document).on('click', '#mobile-menu-toggle', this.toggleMobileMenu);
+            $(document).on('keypress', '#search',{ self: this, type: 'key' }, this.closeMobileMenu);
+            $(document).on('mouseleave', '#sidebar', { self: this, type: 'leave' }, this.closeMobileMenu);
+            $(document).on('click', '#sidebar a', { self: this, type: 'navigate' }, this.closeMobileMenu);
+        },
+
+        fadeNotificationsAway: function() {
+            var icinga = this.icinga;
+            $('#notifications li')
+                .not('.fading-out')
+                .not('.persist')
+                .addClass('fading-out')
+                .delay(7000)
+                .fadeOut('slow',
+            function() {
+                $(this).remove();
+            });
+        },
+
+        toggleDebug: function() {
+            if (this.debug) {
+                return this.disableDebug();
+            } else {
+                return this.enableDebug();
+            }
+        },
+
+        enableDebug: function () {
+            if (this.debug === true) { return this; }
+            this.debug = true;
+            this.debugTimer = this.icinga.timer.register(
+                this.refreshDebug,
+                this,
+                1000
+            );
+            this.fixDebugVisibility();
+
+            return this;
+        },
+
+        fixDebugVisibility: function () {
+            if (this.debug) {
+                $('#responsive-debug').css({display: 'block'});
+            } else {
+                $('#responsive-debug').css({display: 'none'});
+            }
+            return this;
+        },
+
+        disableDebug: function () {
+            if (this.debug === false) { return; }
+
+            this.debug = false;
+            this.icinga.timer.unregister(this.debugTimer);
+            this.debugTimer = null;
+            this.fixDebugVisibility();
+            return this;
+        },
+
+        reloadCss: function () {
+            var icinga = this.icinga;
+            icinga.logger.info('Reloading CSS');
+            $('link').each(function() {
+                var $oldLink = $(this);
+                if ($oldLink.hasAttr('type') && $oldLink.attr('type').indexOf('css') > -1) {
+                    var $newLink = $oldLink.clone().attr(
+                        'href',
+                        icinga.utils.addUrlParams(
+                            $oldLink.attr('href'),
+                            { id: new Date().getTime() } // Only required for Firefox to reload CSS automatically
+                        )
+                    ).on('load', function() {
+                        $oldLink.remove();
+                        $('head').trigger('css-reloaded');
+                    });
+
+                    $newLink.appendTo($('head'));
+                }
+            });
+        },
+
+        enableTimeCounters: function () {
+            this.timeCounterTimer = this.icinga.timer.register(
+                this.refreshTimeSince,
+                this,
+                1000
+            );
+            return this;
+        },
+
+        disableTimeCounters: function () {
+            this.icinga.timer.unregister(this.timeCounterTimer);
+            this.timeCounterTimer = null;
+            return this;
+        },
+
+        /**
+         * Focus the given element and scroll to its position
+         *
+         * @param   {string}    element         The name or id of the element to focus
+         * @param   {object}    [$container]    The container containing the element
+         * @param   {boolean}   [scroll]        Whether the viewport should be scrolled to the focused element
+         */
+        focusElement: function(element, $container, scroll) {
+            var $element = element;
+
+            if (typeof scroll === 'undefined') {
+                scroll = true;
+            }
+
+            if (typeof element === 'string') {
+                if ($container && $container.length) {
+                    $element = $container.find('#' + element);
+                } else {
+                    $element = $('#' + element);
+                }
+
+                if (! $element.length) {
+                    // The name attribute is actually deprecated, on anchor tags,
+                    // but we'll possibly handle links from another source
+                    // (module etc) so that's used as a fallback
+                    if ($container && $container.length) {
+                        $element = $container.find('[name="' + element.replace(/'/, '\\\'') + '"]');
+                    } else {
+                        $element = $('[name="' + element.replace(/'/, '\\\'') + '"]');
+                    }
+                }
+            }
+
+            if ($element.length) {
+                if (! this.isFocusable($element)) {
+                    $element.attr('tabindex', -1);
+                }
+
+                $element[0].focus();
+
+                if (scroll && $container && $container.length) {
+                    if (! $container.is('.container')) {
+                        $container = $container.closest('.container');
+                    }
+
+                    if ($container.css('display') === 'flex' && $container.is('.container')) {
+                        var $controls = $container.find('.controls');
+                        var $content = $container.find('.content');
+                        $content.scrollTop($element.offsetTopRelativeTo($content) - $controls.outerHeight() - (
+                            $element.outerHeight(true) - $element.innerHeight()
+                        ));
+                    } else {
+                        $container.scrollTop($element.first().position().top);
+                    }
+                }
+            }
+        },
+
+        isFocusable: function ($element) {
+            return $element.is('*[tabindex], a[href], input:not([disabled]), button:not([disabled])' +
+                ', select:not([disabled]), textarea:not([disabled]), iframe, area[href], object' +
+                ', embed, *[contenteditable]');
+        },
+
+        moveToLeft: function () {
+            var col2 = this.cutContainer($('#col2'));
+            var kill = this.cutContainer($('#col1'));
+            this.pasteContainer($('#col1'), col2);
+            this.icinga.behaviors.navigation.trySetActiveAndSelectedByUrl($('#col1').data('icingaUrl'));
+        },
+
+        moveToRight: function () {
+            let col1 = document.getElementById('col1'),
+                col2 = document.getElementById('col2'),
+                col1Backup = this.cutContainer($(col1));
+
+            this.cutContainer($(col2)); // Clear col2 states
+            this.pasteContainer($(col2), col1Backup);
+            this.layout2col();
+        },
+
+        cutContainer: function ($col) {
+            var props = {
+              'elements': $('#' + $col.attr('id') + ' > *').detach(),
+              'data': {
+                'data-icinga-url': $col.data('icingaUrl'),
+                'data-icinga-title': $col.data('icingaTitle'),
+                'data-icinga-refresh': $col.data('icingaRefresh'),
+                'data-last-update': $col.data('lastUpdate'),
+                'data-icinga-module': $col.data('icingaModule'),
+                'data-icinga-container-id': $col[0].dataset.icingaContainerId
+              },
+              'class': $col.attr('class')
+            };
+            this.icinga.loader.stopPendingRequestsFor($col);
+            $col.removeData('icingaUrl');
+            $col.removeData('icingaTitle');
+            $col.removeData('icingaRefresh');
+            $col.removeData('lastUpdate');
+            $col.removeData('icingaModule');
+            delete $col[0].dataset.icingaContainerId;
+            $col.removeAttr('class').attr('class', 'container');
+            return props;
+        },
+
+        pasteContainer: function ($col, backup) {
+            backup['elements'].appendTo($col);
+            $col.attr('class', backup['class']); // TODO: ie memleak? remove first?
+            $col.data('icingaUrl', backup['data']['data-icinga-url']);
+            $col.data('icingaTitle', backup['data']['data-icinga-title']);
+            $col.data('icingaRefresh', backup['data']['data-icinga-refresh']);
+            $col.data('lastUpdate', backup['data']['data-last-update']);
+            $col.data('icingaModule', backup['data']['data-icinga-module']);
+            $col[0].dataset.icingaContainerId = backup['data']['data-icinga-container-id'];
+        },
+
+        triggerWindowResize: function () {
+            this.onWindowResize({data: {self: this}});
+        },
+
+        /**
+         * Our window got resized, let's fix our UI
+         */
+        onWindowResize: function (event) {
+            var _this = event.data.self;
+
+            if (_this.layoutHasBeenChanged()) {
+                _this.icinga.logger.info(
+                    'Layout change detected, switching to',
+                    _this.currentLayout
+                );
+            }
+
+            _this.refreshDebug();
+        },
+
+        /**
+         * Returns whether the layout is too small for more than one column
+         *
+         * @returns {boolean}   True when more than one column is available
+         */
+        hasOnlyOneColumn: function () {
+            return this.currentLayout === 'poor' || this.currentLayout === 'minimal';
+        },
+
+        layoutHasBeenChanged: function () {
+
+            var layout = $('html').css('fontFamily').replace(/['",]/g, '');
+            var matched;
+
+            if (null !== (matched = layout.match(/^([a-z]+)-layout$/))) {
+                if (matched[1] === this.currentLayout &&
+                    $('#layout').hasClass(layout)
+                ) {
+                    return false;
+                } else {
+                    $('#layout').removeClass(this.currentLayout + '-layout').addClass(layout);
+                    this.currentLayout = matched[1];
+                    if (this.currentLayout === 'poor' || this.currentLayout === 'minimal') {
+                        this.layout1col();
+                    } else if (this.icinga.initialized) {
+                        // layout1col() also triggers this, that's why an else is required
+                        $('#layout').trigger('layout-change');
+                    }
+                    return true;
+                }
+            }
+            this.icinga.logger.error(
+                'Someone messed up our responsiveness hacks, html font-family is',
+                layout
+            );
+            return false;
+        },
+
+        /**
+         * Returns whether only one column is displayed
+         *
+         * @returns {boolean}   True when only one column is displayed
+         */
+        isOneColLayout: function () {
+            return ! $('#layout').hasClass('twocols');
+        },
+
+        layout1col: function () {
+            if (this.isOneColLayout()) { return; }
+            this.icinga.logger.debug('Switching to single col');
+            $('#layout').removeClass('twocols');
+            this.closeContainer($('#col2'));
+
+            if (this.icinga.initialized) {
+                $('#layout').trigger('layout-change');
+            }
+
+            // one-column layouts never have any selection active
+            $('#col1').removeData('icinga-actiontable-former-href');
+            this.icinga.behaviors.actiontable.clearAll();
+        },
+
+        closeContainer: function($c) {
+            $c.removeData('icingaUrl');
+            $c.removeData('icingaTitle');
+            $c.removeData('icingaRefresh');
+            $c.removeData('lastUpdate');
+            $c.removeData('icingaModule');
+            delete $c[0].dataset.icingaContainerId;
+            $c.removeAttr('class').attr('class', 'container');
+            this.icinga.loader.stopPendingRequestsFor($c);
+            $c.trigger('close-column');
+            $c.html('');
+        },
+
+        layout2col: function () {
+            if (! this.isOneColLayout()) { return; }
+            this.icinga.logger.debug('Switching to double col');
+            $('#layout').addClass('twocols');
+
+            if (this.icinga.initialized) {
+                $('#layout').trigger('layout-change');
+            }
+        },
+
+        prepareColumnFor: function ($el, $target) {
+            var explicitTarget;
+
+            if ($target.attr('id') === 'col2') {
+                if ($el.closest('#col2').length) {
+                    explicitTarget = $el.closest('[data-base-target]').data('baseTarget');
+                    if (typeof explicitTarget !== 'undefined' && explicitTarget === '_next') {
+                        this.moveToLeft();
+                    }
+                } else {
+                    this.layout2col();
+                }
+            } else { // if ($target.attr('id') === 'col1')
+                explicitTarget = $el.closest('[data-base-target]').data('baseTarget');
+                if (typeof explicitTarget !== 'undefined' && explicitTarget === '_main') {
+                    this.layout1col();
+                }
+            }
+        },
+
+        getAvailableColumnSpace: function () {
+            return $('#main').width() / this.getDefaultFontSize();
+        },
+
+        setColumnCount: function (count) {
+            if (count === 3) {
+                $('#main > .container').css({
+                    width: '33.33333%'
+                });
+            } else if (count === 2) {
+                $('#main > .container').css({
+                    width: '50%'
+                });
+            } else {
+                $('#main > .container').css({
+                    width: '100%'
+                });
+            }
+        },
+
+        setTitle: function (title) {
+            document.title = title;
+            return this;
+        },
+
+        getColumnCount: function () {
+            return $('#main > .container').length;
+        },
+
+        /**
+         * Assign a unique ID to each .container without such
+         *
+         * This usually applies to dashlets
+         */
+        assignUniqueContainerIds: function() {
+            var currentMax = 0;
+            $('.container').each(function() {
+                var $el = $(this);
+                var m;
+                if (!$el.attr('id')) {
+                    return;
+                }
+                if (m = $el.attr('id').match(/^ciu_(\d+)$/)) {
+                    if (parseInt(m[1]) > currentMax) {
+                         currentMax = parseInt(m[1]);
+                    }
+                }
+            });
+            $('.container').each(function() {
+                var $el = $(this);
+                if (!!$el.attr('id')) {
+                    return;
+                }
+                currentMax++;
+                $el.attr('id', 'ciu_' + currentMax);
+            });
+        },
+
+        refreshDebug: function () {
+            if (! this.debug) {
+                return;
+            }
+
+            var size = this.getDefaultFontSize().toString();
+            var winWidth = $( window ).width();
+            var winHeight = $( window ).height();
+            var loading = '';
+
+            $.each(this.icinga.loader.requests, function (el, req) {
+                if (loading === '') {
+                    loading = '<br />Loading:<br />';
+                }
+                loading += el + ' => ' + encodeURI(req.url);
+            });
+
+            $('#responsive-debug').html(
+                '   Time: ' +
+                this.icinga.utils.formatHHiiss(new Date()) +
+                '<br />    1em: ' +
+                size +
+                'px<br />    Win: ' +
+                winWidth +
+                'x'+
+                winHeight +
+                'px<br />' +
+                ' Layout: ' +
+                this.currentLayout +
+                loading
+            );
+        },
+
+        /**
+         * Refresh partial time counters
+         *
+         * This function runs every second.
+         */
+        refreshTimeSince: function () {
+            $('.time-ago, .time-since').each(function (idx, el) {
+                var partialTime = /(\d{1,2})m (\d{1,2})s/.exec(el.innerHTML);
+                if (partialTime !== null) {
+                    var minute = parseInt(partialTime[1], 10),
+                        second = parseInt(partialTime[2], 10);
+                    if (second < 59) {
+                        ++second;
+                    } else {
+                        ++minute;
+                        second = 0;
+                    }
+                    el.innerHTML = el.innerHTML.substr(0, partialTime.index) + minute.toString() + 'm '
+                        + second.toString() + 's' + el.innerHTML.substr(partialTime.index + partialTime[0].length);
+                }
+            });
+
+            $('.time-until').each(function (idx, el) {
+                var partialTime = /(-?)(\d{1,2})m (\d{1,2})s/.exec(el.innerHTML);
+                if (partialTime !== null) {
+                    var minute = parseInt(partialTime[2], 10),
+                        second = parseInt(partialTime[3], 10),
+                        invert = partialTime[1];
+                    if (invert.length) {
+                        // Count up because partial time is negative
+                        if (second < 59) {
+                            ++second;
+                        } else {
+                            ++minute;
+                            second = 0;
+                        }
+                    } else {
+                        // Count down because partial time is positive
+                        if (second === 0) {
+                            if (minute === 0) {
+                                // Invert counter
+                                minute = 0;
+                                second = 1;
+                                invert = '-';
+                            } else {
+                                --minute;
+                                second = 59;
+                            }
+                        } else {
+                            --second;
+                        }
+                    }
+                    el.innerHTML = el.innerHTML.substr(0, partialTime.index) + invert + minute.toString() + 'm '
+                        + second.toString() + 's' + el.innerHTML.substr(partialTime.index + partialTime[0].length);
+                }
+            });
+        },
+
+        createFontSizeCalculator: function () {
+            var $el = $('<div id="fontsize-calc">&nbsp;</div>');
+            $('#layout').append($el);
+            return $el;
+        },
+
+        getDefaultFontSize: function () {
+            var $calc = $('#fontsize-calc');
+            if (! $calc.length) {
+                $calc = this.createFontSizeCalculator();
+            }
+            return $calc.width() / 1000;
+        },
+
+        /**
+         * Toggle mobile menu
+         *
+         * @param {object} e Event
+         */
+        toggleMobileMenu: function(e) {
+            $('#sidebar').toggleClass('expanded');
+        },
+
+        /**
+         * Close mobile menu when the enter key is pressed during search or the user leaves the sidebar
+         *
+         * @param {object} e Event
+         */
+        closeMobileMenu: function(e) {
+            if (e.data.self.currentLayout !== 'minimal') {
+                return;
+            }
+
+            if (e.data.type === 'key') {
+                if (e.which === 13) {
+                    $('#sidebar').removeClass('expanded');
+                    $(e.target)[0].blur();
+                }
+            } else {
+                $('#sidebar').removeClass('expanded');
+            }
+        },
+
+        toggleFullscreen: function () {
+            $('#layout').toggleClass('fullscreen-layout');
+        },
+
+        getUniqueContainerId: function (container) {
+            if (typeof container.jquery !== 'undefined') {
+                if (! container.length) {
+                    return null;
+                }
+
+                container = container[0];
+            } else if (typeof container === 'undefined') {
+                return null;
+            }
+
+            var containerId = container.dataset.icingaContainerId || null;
+            if (containerId === null) {
+                /**
+                 * Only generate an id if it's not for col1 or the menu (which are using the non-suffixed window id).
+                 * This is based on the assumption that the server only knows about the menu and first column
+                 * and therefore does not need to protect its ids. (As the menu is most likely part of the sidebar)
+                 */
+                var col1 = document.getElementById('col1');
+                if (container.id !== 'menu' && col1 !== null && ! col1.contains(container)) {
+                    containerId = this.icinga.utils.generateId(6); // Random because the content may move
+                    container.dataset.icingaContainerId = containerId;
+                }
+            }
+
+            return containerId;
+        },
+
+        getWindowId: function () {
+            if (! this.hasWindowId()) {
+                return undefined;
+            }
+            return window.name.match(/^Icinga-([a-zA-Z0-9]+)$/)[1];
+        },
+
+        hasWindowId: function () {
+            var res = window.name.match(/^Icinga-([a-zA-Z0-9]+)$/);
+            return typeof res === 'object' && null !== res;
+        },
+
+        setWindowId: function (id) {
+            this.icinga.logger.debug('Setting new window id', id);
+            window.name = 'Icinga-' + id;
+        },
+
+        destroy: function () {
+            // This is gonna be hard, clean up the mess
+            this.icinga = null;
+            this.debugTimer = null;
+            this.timeCounterTimer = null;
+        }
+    };
+
+}(Icinga, jQuery));
diff --git a/public/js/icinga/utils.js b/public/js/icinga/utils.js
new file mode 100644
index 0000000..280e4f6
--- /dev/null
+++ b/public/js/icinga/utils.js
@@ -0,0 +1,582 @@
+/*! Icinga Web 2 | (c) 2014 Icinga Development Team | GPLv2+ */
+
+/**
+ * Icinga utility functions
+ */
+(function(Icinga, $) {
+
+    'use strict';
+
+    Icinga.Utils = function (icinga) {
+
+        /**
+         * Utility functions may need access to their Icinga instance
+         */
+        this.icinga = icinga;
+
+        /**
+         * We will use this to create an URL helper only once
+         */
+        this.urlHelper = null;
+    };
+
+    Icinga.Utils.prototype = {
+
+        timeWithMs: function (now) {
+
+            if (typeof now === 'undefined') {
+                now = new Date();
+            }
+
+            var ms = now.getMilliseconds() + '';
+            while (ms.length < 3) {
+                ms = '0' + ms;
+            }
+
+            return now.toLocaleTimeString() + '.' + ms;
+        },
+
+        timeShort: function (now) {
+
+            if (typeof now === 'undefined') {
+                now = new Date();
+            }
+
+            return now.toLocaleTimeString().replace(/:\d{2}$/, '');
+        },
+
+        formatHHiiss: function (date) {
+            var hours = date.getHours();
+            var minutes = date.getMinutes();
+            var seconds = date.getSeconds();
+            if (hours < 10) hours = '0' + hours;
+            if (minutes < 10) minutes = '0' + minutes;
+            if (seconds < 10) seconds = '0' + seconds;
+            return hours + ':' + minutes + ':' + seconds;
+        },
+
+        /**
+         * Format the given byte-value into a human-readable string
+         *
+         * @param   {number}    The amount of bytes to format
+         * @returns {string}    The formatted string
+         */
+        formatBytes: function (bytes) {
+            var log2  = Math.log(bytes) / Math.LN2;
+            var pot   = Math.floor(log2 / 10);
+            var unit  = (['b', 'kB', 'MB', 'GB', 'TB', 'PB', 'EB', 'ZB'])[pot];
+            return ((bytes / Math.pow(1024, pot)).toFixed(2)) + ' ' + unit;
+        },
+
+        /**
+        * Return whether the given element is visible in the users view
+        *
+        * Borrowed from: http://stackoverflow.com/q/487073
+        *
+        * @param   {selector}   element     The element to check
+        * @returns {Boolean}
+        */
+        isVisible: function(element) {
+            var $element = $(element);
+            if (!$element.length) {
+                return false;
+            }
+
+            var docViewTop = $(window).scrollTop();
+            var docViewBottom = docViewTop + $(window).height();
+            var elemTop = $element.offset().top;
+            var elemBottom = elemTop + $element.height();
+
+            return ((elemBottom >= docViewTop) && (elemTop <= docViewBottom) &&
+                 (elemBottom <= docViewBottom) && (elemTop >= docViewTop));
+        },
+
+        getUrlHelper: function () {
+            if (this.urlHelper === null) {
+                this.urlHelper = document.createElement('a');
+            }
+
+            return this.urlHelper;
+        },
+
+        /**
+         * Parse a given Url and return an object
+         */
+        parseUrl: function (url) {
+
+            var a = this.getUrlHelper();
+            a.href = url;
+
+            var result = {
+                source  : url,
+                protocol: a.protocol.replace(':', ''),
+                host    : a.hostname,
+                port    : a.port,
+                query   : a.search,
+                file    : (a.pathname.match(/\/([^\/?#]+)$/i) || [,''])[1],
+                hash    : a.hash.replace('#',''),
+                path    : a.pathname.replace(/^([^\/])/,'/$1'),
+                relative: (a.href.match(/tps?:\/\/[^\/]+(.+)/) || [,''])[1],
+                segments: a.pathname.replace(/^\//,'').split('/'),
+                params  : this.parseParams(a)
+            };
+            a = null;
+
+            return result;
+        },
+
+        // Local URLs only
+        addUrlParams: function (url, params) {
+            var parts = this.parseUrl(url),
+                result = parts.path,
+                newparams = parts.params;
+
+            // We overwrite existing params
+            $.each(params, function (key, value) {
+                key = encodeURIComponent(key);
+                value = typeof value !== 'string' || !! value ? encodeURIComponent(value) : null;
+
+                var found = false;
+                for (var i = 0; i < newparams.length; i++) {
+                    if (newparams[i].key === key) {
+                        newparams[i].value = value;
+                        found = true;
+                        break;
+                    }
+                }
+
+                if (! found) {
+                    newparams.push({ key: key, value: value });
+                }
+            });
+
+            if (newparams.length) {
+                result += '?' + this.buildQuery(newparams);
+            }
+
+            if (parts.hash.length) {
+                result += '#' + parts.hash;
+            }
+
+            return result;
+        },
+
+        // Local URLs only
+        removeUrlParams: function (url, params) {
+            var parts = this.parseUrl(url),
+                result = parts.path,
+                newparams = parts.params;
+
+            $.each(params, function (_, key) {
+                key = encodeURIComponent(key);
+
+                for (var i = 0; i < newparams.length; i++) {
+                    if (newparams[i].key === key) {
+                        newparams.splice(i, 1);
+                        return;
+                    }
+                }
+            });
+
+            if (newparams.length) {
+                result += '?' + this.buildQuery(newparams);
+            }
+
+            if (parts.hash.length) {
+                result += '#' + parts.hash;
+            }
+
+            return result;
+        },
+
+        /**
+         * Return a query string for the given params
+         *
+         * @param {Array} params
+         * @return {string}
+         */
+        buildQuery: function (params) {
+            var query = '';
+
+            for (var i = 0; i < params.length; i++) {
+                if (!! query) {
+                    query += '&';
+                }
+
+                query += params[i].key;
+                switch (params[i].value) {
+                    case true:
+                        break;
+                    case false:
+                        query += '=0';
+                        break;
+                    case null:
+                        query += '=';
+                        break;
+                    default:
+                        query += '=' + params[i].value;
+                }
+            }
+
+            return query;
+        },
+
+        /**
+         * Parse url params
+         */
+        parseParams: function (a) {
+            var params = [],
+                segment = a.search.replace(/^\?/,'').split('&'),
+                len = segment.length,
+                i = 0,
+                key,
+                value,
+                equalPos;
+
+            for (; i < len; i++) {
+                if (! segment[i]) {
+                    continue;
+                }
+
+                equalPos = segment[i].indexOf('=');
+                if (equalPos !== -1) {
+                    key = segment[i].slice(0, equalPos);
+                    value = segment[i].slice(equalPos + 1);
+                } else {
+                    key = segment[i];
+                    value = true;
+                }
+
+                params.push({ key: key, value: value });
+            }
+
+            return params;
+        },
+
+        /**
+         * Add the specified flag to the given URL
+         *
+         * @param {string} url
+         * @param {string} flag
+         *
+         * @returns {string}
+         */
+        addUrlFlag: function (url, flag) {
+            var pos = url.search(/#(?!!)/);
+
+            if (url.indexOf('?') !== -1) {
+                flag = '&' + flag;
+            } else {
+                flag = '?' + flag;
+            }
+
+            if (pos === -1) {
+                return url + flag;
+            }
+
+            return url.slice(0, pos) + flag + url.slice(pos);
+        },
+
+        /**
+         * Check whether two HTMLElements overlap
+         *
+         * @param a {HTMLElement}
+         * @param b {HTMLElement}
+         *
+         * @returns {Boolean}      whether elements overlap, will return false when one
+         *                         element is not in the DOM
+         */
+        elementsOverlap: function(a, b)
+        {
+            // a bounds
+            var aoff = $(a).offset();
+            if (!aoff) {
+                return false;
+            }
+            var at = aoff.top;
+            var ah = a.offsetHeight || (a.getBBox && a.getBBox().height);
+            var al = aoff.left;
+            var aw = a.offsetWidth || (a.getBBox && a.getBBox().width);
+
+            // b bounds
+            var boff = $(b).offset();
+            if (!boff) {
+                return false;
+            }
+            var bt = boff.top;
+            var bh = b.offsetHeight || (b.getBBox && b.getBBox().height);
+            var bl = boff.left;
+            var bw = b.offsetWidth || (b.getBBox && b.getBBox().width);
+
+            return !(at > (bt + bh) || bt > (at + ah)) && !(bl  > (al + aw) || al > (bl + bw));
+        },
+
+        /**
+         * Create a selector that can be used to fetch the element the same position in the DOM-Tree
+         *
+         * Create the path to the given element in the DOM-Tree, comparable to an X-Path. Climb the
+         * DOM tree upwards until an element with an unique ID is found, this id is used as the anchor,
+         * all other elements will be addressed by their position in the parent.
+         *
+         * @param   {HTMLElement} el    The element to extract the path for.
+         *
+         * @returns {Array}             The path of the element, that can be passed to getElementByPath
+         */
+        getDomPath: function (el) {
+            if (! el) {
+                return [];
+            }
+            if (el.id !== '') {
+                return ['#' + el.id];
+            }
+            if (el === document.body) {
+                return ['body'];
+            }
+
+            var siblings = el.parentNode.childNodes;
+            var index = 0;
+            for (var i = 0; i < siblings.length; i ++) {
+                if (siblings[i].nodeType === 1) {
+                    index ++;
+                }
+
+                if (siblings[i] === el) {
+                    var p = this.getDomPath(el.parentNode);
+                    p.push(':nth-child(' + (index) + ')');
+                    return p;
+                }
+            }
+        },
+
+        /**
+         * Get the CSS selector to the given node
+         *
+         * @param {HTMLElement} element
+         *
+         * @returns {string}
+         */
+        getCSSPath: function(element) {
+            if (typeof element === 'undefined') {
+                throw 'Requires a element';
+            }
+
+            if (typeof element.jquery !== 'undefined') {
+                if (! element.length) {
+                    throw 'Requires a element';
+                }
+
+                element = element[0];
+            }
+
+            var path = [];
+
+            while (true) {
+                let id = element.id;
+                if (typeof id !== 'undefined' && typeof id !== 'string') {
+                    // Sometimes there may be a form element with the name "id"
+                    id = element.getAttribute("id");
+                }
+
+                if (!! id) {
+                    // Only use ids if they're truly unique
+                    let results = document.querySelectorAll('* #' + this.escapeCSSSelector(id));
+                    if (results.length === 1) {
+                        path.push('#' + id);
+                        break;
+                    }
+                }
+
+                var tagName = element.tagName;
+                var parent = element.parentElement;
+
+                if (! parent) {
+                    path.push(tagName.toLowerCase());
+                    break;
+                }
+
+                if (parent.children.length) {
+                    var index = 0;
+                    do {
+                        if (element.tagName === tagName) {
+                            index++;
+                        }
+                    } while ((element = element.previousElementSibling));
+
+                    path.push(tagName.toLowerCase() + ':nth-of-type(' + index + ')');
+                } else {
+                    path.push(tagName.toLowerCase());
+                }
+
+                element = parent;
+            }
+
+            return path.reverse().join(' > ');
+        },
+
+        /**
+         * Escape the given string to be used in a CSS selector
+         *
+         * @param {string} selector
+         * @returns {string}
+         */
+        escapeCSSSelector: function (selector) {
+            if (typeof CSS !== 'undefined' && typeof CSS.escape === 'function') {
+                return CSS.escape(selector);
+            }
+
+            return selector.replaceAll(/^(\d)/, '\\\\3$1 ');
+        },
+
+        /**
+         * Climbs up the given dom path and returns the element
+         *
+         * This is the counterpart
+         *
+         * @param   path    {Array}         The selector
+         * @returns         {HTMLElement}   The corresponding element
+         */
+        getElementByDomPath: function (path) {
+            var $element;
+            $.each(path, function (i, selector) {
+                if (! $element) {
+                    $element = $(selector);
+                } else {
+                    $element = $element.children(selector).first();
+                    if (! $element[0]) {
+                        return false;
+                    }
+                }
+            });
+            return $element[0];
+        },
+
+        objectKeys: Object.keys || function (obj) {
+            var keys = [];
+            $.each(obj, function (key) {
+                keys.push(key);
+            });
+            return keys;
+        },
+
+        objectsEqual: function equals(obj1, obj2) {
+            var obj1Keys = Object.keys(obj1);
+            var obj2Keys = Object.keys(obj2);
+            if (obj1Keys.length !== obj2Keys.length) {
+                return false;
+            }
+
+            return obj1Keys.concat(obj2Keys)
+                .every(function (key) {
+                    return obj1[key] === obj2[key];
+                });
+        },
+
+        arraysEqual: function (array1, array2) {
+            if (array1.length !== array2.length) {
+                return false;
+            }
+
+            var value1, value2;
+            for (var i = 0; i < array1.length; i++) {
+                value1 = array1[i];
+                value2 = array2[i];
+
+                if (typeof value1 === 'object') {
+                    if (typeof value2 !== 'object' || ! this.objectsEqual(value1, value2)) {
+                        return false;
+                    }
+                } else if (value1 !== value2) {
+                    return false;
+                }
+            }
+
+            return true;
+        },
+
+        /**
+         * Cleanup
+         */
+        destroy: function () {
+            this.urlHelper = null;
+            this.icinga = null;
+        },
+
+        /**
+         * Encode the parenthesis too
+         *
+         * @param str {String} A component of a URI
+         *
+         * @returns {String} Encoded component
+         */
+        fixedEncodeURIComponent: function (str) {
+            return encodeURIComponent(str).replace(/[()]/g, function(c) {
+                return '%' + c.charCodeAt(0).toString(16);
+            });
+        },
+
+        escape: function (str) {
+            return String(str).replace(
+                /[&<>"']/gm,
+                function (c) {
+                    return {
+                        '&': '&amp;',
+                        '<': '&lt;',
+                        '>': '&gt;',
+                        '"': '&quot;',
+                        "'": '&#039;'
+                    }[c];
+                }
+            );
+        },
+
+        /**
+         * Pad a string with another one
+         *
+         * @param   {String}    str         the string to pad
+         * @param   {String}    padding     the string to use for padding
+         * @param   {Number}    minLength   the minimum length of the result
+         *
+         * @returns {String}    the padded string
+         */
+        padString: function(str, padding, minLength) {
+            str = String(str);
+            padding = String(padding);
+            while (str.length < minLength) {
+                str = padding + str;
+            }
+            return str;
+        },
+
+        /**
+         * Shuffle a string
+         *
+         * @param   {String}    str     The string to shuffle
+         *
+         * @returns {String}    The shuffled string
+         */
+        shuffleString: function(str) {
+            var a = str.split(""),
+                n = a.length;
+
+            for(var i = n - 1; i > 0; i--) {
+                var j = Math.floor(Math.random() * (i + 1));
+                var tmp = a[i];
+                a[i] = a[j];
+                a[j] = tmp;
+            }
+            return a.join("");
+        },
+
+        /**
+         * Generate an id
+         *
+         * @param   {Number}    len     The desired length of the id
+         *
+         * @returns {String}    The id
+         */
+        generateId: function(len) {
+            return this.shuffleString('abcefghijklmnopqrstuvwxyz').substr(0, len);
+        }
+    };
+
+}(Icinga, jQuery));