From 6bf0a5cb5034a7e684dcc3500e841785237ce2dd Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sun, 7 Apr 2024 19:32:43 +0200
Subject: Adding upstream version 1:115.7.0.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 browser/themes/shared/tabs.css | 802 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 802 insertions(+)
 create mode 100644 browser/themes/shared/tabs.css

(limited to 'browser/themes/shared/tabs.css')

diff --git a/browser/themes/shared/tabs.css b/browser/themes/shared/tabs.css
new file mode 100644
index 0000000000..530833c7a6
--- /dev/null
+++ b/browser/themes/shared/tabs.css
@@ -0,0 +1,802 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+@namespace html url("http://www.w3.org/1999/xhtml");
+
+:root {
+  --tab-min-height: 36px;
+  --inline-tab-padding: 8px;
+  --tab-border-radius: 4px;
+  --tab-shadow-max-size: 6px;
+  --tab-block-margin: 4px;
+  /* --tabpanel-background-color matches $in-content-page-background in newtab
+     (browser/components/newtab/content-src/styles/_variables.scss) */
+  --tabpanel-background-color: #F9F9FB;
+  --tab-attention-icon-color: rgb(42,195,162);
+}
+
+#tabbrowser-tabpanels browser[type=content] {
+  color-scheme: env(-moz-content-preferred-color-scheme);
+}
+
+@media (-moz-content-prefers-color-scheme: dark) {
+  :root {
+    /* --tabpanel-background-color matches $in-content-page-background in newtab
+       (browser/components/newtab/content-src/styles/_variables.scss) */
+    --tabpanel-background-color: #2B2A33;
+  }
+}
+
+:root[privatebrowsingmode=temporary] {
+  /* Value for --in-content-page-background in aboutPrivateBrowsing.css.
+     !important overrides the direct setting of this variable in
+     ThemeVariableMap.sys.mjs when the user has a theme that defines
+     ntp_background. */
+  --tabpanel-background-color: #25003e !important;
+}
+
+:root[uidensity=compact] {
+  --tab-min-height: 29px;
+}
+
+:root[uidensity=touch] {
+  --tab-min-height: 41px;
+}
+
+toolbar[brighttext] {
+  --tab-attention-icon-color: rgb(84,255,189);
+}
+
+#tabbrowser-tabs {
+  --tab-min-width: 76px;
+  --tab-loading-fill: #0A84FF;
+  --tab-overflow-pinned-tabs-width: 0px;
+  padding-inline: var(--tab-overflow-pinned-tabs-width) 0;
+  /* Use a bigger flex value than the searchbar to prevent it from
+   * taking all the toolbar space. */
+  flex: 1000 1000;
+}
+
+#tabbrowser-tabpanels {
+  appearance: none;
+  padding: 0;
+  color-scheme: unset;
+  background-color: var(--tabpanel-background-color);
+}
+
+#tabbrowser-tabs,
+#tabbrowser-arrowscrollbox,
+#tabbrowser-tabs[positionpinnedtabs] > #tabbrowser-arrowscrollbox > .tabbrowser-tab[pinned] {
+  min-height: var(--tab-min-height);
+}
+
+.tab-background,
+.tab-stack {
+  min-height: inherit;
+}
+
+#tabbrowser-tabs[positionpinnedtabs] > #tabbrowser-arrowscrollbox::part(scrollbox) {
+  /* Add padding to match the shadow's blur radius so the
+    shadow doesn't get clipped when either the first or
+    last tab is selected */
+  padding-inline: var(--tab-shadow-max-size);
+}
+
+#tabbrowser-arrowscrollbox::part(scrollbox-clip) {
+  /* Needed to prevent tabstrip from growing as wide as the sum of the tabs'
+     page-title widths when emulating XUL with modern flexbox. */
+  contain: inline-size;
+}
+
+.tabbrowser-tab {
+  appearance: none;
+  background-color: transparent;
+  color-scheme: unset;
+  border-radius: 0;
+  border-width: 0;
+  margin: 0;
+  padding: 0 2px;
+  align-items: stretch;
+  /* Needed so that overflowing content overflows towards the end rather than
+     getting centered. That prevents tab opening animation from looking off at
+     the start, see bug 1759221. */
+  justify-content: flex-start;
+  overflow: clip;
+  /* Needed to avoid clipping the tab-background shadow, which has a 4px blur
+   * (we only have 2px padding in the inline direction) */
+  overflow-clip-margin: 2px;
+  min-height: var(--tab-min-height);
+}
+
+.tabbrowser-tab[pinned] {
+  flex-shrink: 0;
+}
+
+/* tabbrowser-tab keyboard focus */
+.keyboard-focused-tab > .tab-stack > .tab-background,
+.tabbrowser-tab:focus:not([aria-activedescendant]) > .tab-stack > .tab-background {
+  outline: var(--focus-outline);
+  outline-offset: var(--focus-outline-inset);
+}
+
+.tab-content {
+  padding: 0 var(--inline-tab-padding);
+  min-width: 0;
+}
+
+:root:not([uidensity=compact]) .tab-content[pinned] {
+  padding: 0 10px;
+}
+
+@media (prefers-reduced-motion: no-preference) {
+  .tab-loading-burst {
+    border-radius: inherit;
+    position: relative;
+    overflow: hidden;
+  }
+
+  .tab-loading-burst::before {
+    position: absolute;
+    content: "";
+    /* We set the width to be a percentage of the tab's width so that we can use
+       the `scale` transform to scale it up to the full size of the tab when the
+       burst occurs. We also need to set the margin-inline-start so that the
+       center of the burst matches the center of the favicon. */
+    width: 5%;
+    height: 100%;
+    /* Center the burst over the .tab-loading-burst; it's 9px from the edge thanks
+       to .tab-content, plus 8px more since .tab-loading-burst is 16px wide. */
+    margin-inline-start: calc(17px - 2.5%);
+  }
+
+  .tab-loading-burst[pinned]::before {
+    /* This is like the margin-inline-start rule above, except that icons for
+       pinned tabs are 12px from the edge. */
+    margin-inline-start: calc(20px - 2.5%);
+  }
+
+  .tab-loading-burst[bursting]::before {
+    background-image: url("chrome://browser/skin/tabbrowser/loading-burst.svg");
+    background-position: center center;
+    background-size: 100% auto;
+    background-repeat: no-repeat;
+    animation: tab-burst-animation 375ms cubic-bezier(0,0,.58,1);
+    -moz-context-properties: fill;
+    fill: var(--tab-loading-fill);
+  }
+
+  .tab-loading-burst[bursting][notselectedsinceload]::before {
+    animation-name: tab-burst-animation-light;
+  }
+
+  @keyframes tab-burst-animation {
+    0% {
+      opacity: 0.4;
+      transform: scale(1);
+    }
+    100% {
+      opacity: 0;
+      transform: scale(40);
+    }
+  }
+
+  @keyframes tab-burst-animation-light {
+    0% {
+      opacity: 0.2;
+      transform: scale(1);
+    }
+    100% {
+      opacity: 0;
+      transform: scale(40);
+    }
+  }
+}
+
+/* Width/height & margins apply on tab icon stack children */
+.tab-throbber-tabslist,
+.tab-throbber,
+.tab-icon-pending,
+.tab-icon-image,
+.tab-sharing-icon-overlay,
+.tab-icon-overlay {
+  height: 16px;
+  width: 16px;
+}
+
+.tab-throbber:not([pinned]),
+.tab-icon-pending:not([pinned]),
+.tab-icon-image:not([pinned]),
+.tab-sharing-icon-overlay:not([pinned]),
+.tab-icon-overlay:not([pinned]) {
+  margin-inline-end: 5.5px;
+}
+
+@media (prefers-reduced-motion: reduce) {
+  .tab-throbber[busy] {
+    background-image: url("chrome://browser/skin/tabbrowser/hourglass.svg");
+    background-position: center;
+    background-repeat: no-repeat;
+    -moz-context-properties: fill;
+    fill: currentColor;
+    opacity: 0.4;
+  }
+
+  .tab-throbber[progress] {
+    opacity: 0.8;
+  }
+}
+
+@media (prefers-reduced-motion: no-preference) {
+  :root[sessionrestored] .tab-throbber[busy] {
+    position: relative;
+    overflow: hidden;
+  }
+
+  :root[sessionrestored] .tab-throbber[busy]::before {
+    content: "";
+    position: absolute;
+    background-image: url("chrome://browser/skin/tabbrowser/loading.svg");
+    background-position: left center;
+    background-repeat: no-repeat;
+    width: 480px;
+    height: 100%;
+    animation: tab-throbber-animation 1.05s steps(30) infinite;
+    -moz-context-properties: fill;
+
+    /* XXX: It would be nice to transition between the "connecting" color and the
+       "loading" color (see the `.tab-throbber[progress]::before` rule below);
+       however, that currently forces main thread painting. When this is fixed
+       (after WebRender lands), we can do something like
+       `transition: fill 0.333s, opacity 0.333s;` */
+
+    fill: currentColor;
+    opacity: 0.7;
+  }
+
+  :root[sessionrestored] .tab-throbber[busy]:-moz-locale-dir(rtl)::before {
+    animation-name: tab-throbber-animation-rtl;
+  }
+
+  @keyframes tab-throbber-animation {
+    0% { transform: translateX(0); }
+    100% { transform: translateX(-100%); }
+  }
+
+  @keyframes tab-throbber-animation-rtl {
+    0% { transform: translateX(0); }
+    100% { transform: translateX(100%); }
+  }
+
+  :root[sessionrestored] .tab-throbber[progress]::before {
+    fill: var(--tab-loading-fill);
+    opacity: 1;
+  }
+
+  #TabsToolbar[brighttext] .tab-throbber[progress]:not([selected=true])::before {
+    fill: var(--lwt-tab-loading-fill-inactive, #84c1ff);
+  }
+}
+
+.tab-icon-image {
+  -moz-context-properties: fill;
+  fill: currentColor;
+}
+
+.tab-icon-image:not([src]),
+.tab-icon-image:-moz-broken {
+  content: url("chrome://global/skin/icons/defaultFavicon.svg");
+}
+
+.tab-icon-image[sharing]:not([selected]),
+.tab-sharing-icon-overlay {
+  animation: 3s linear tab-sharing-icon-pulse infinite;
+}
+
+@keyframes tab-sharing-icon-pulse {
+  0%, 16.66%, 83.33%, 100% {
+    opacity: 0;
+  }
+  33.33%, 66.66% {
+    opacity: 1;
+  }
+}
+
+.tab-icon-image[sharing]:not([selected]) {
+  animation-delay: -1.5s;
+}
+
+.tab-sharing-icon-overlay {
+  position: relative;
+  -moz-context-properties: fill;
+  fill: rgb(224, 41, 29);
+}
+
+.tab-sharing-icon-overlay[sharing="camera"] {
+  list-style-image: url("chrome://browser/skin/notification-icons/camera.svg");
+}
+
+.tab-sharing-icon-overlay[sharing="microphone"] {
+  list-style-image: url("chrome://browser/skin/notification-icons/microphone.svg");
+}
+
+.tab-sharing-icon-overlay[sharing="screen"] {
+  list-style-image: url("chrome://browser/skin/notification-icons/screen.svg");
+}
+
+.tab-icon-overlay {
+  width: 16px;
+  height: 16px;
+  position: relative;
+}
+
+.tab-icon-overlay:not([crashed]):is([pinned], [sharing]) {
+  top: -5.5px;
+  inset-inline-end: -6px;
+  z-index: 1; /* Overlay tab title */
+  padding: 2px;
+}
+
+:root[uidensity=compact] .tab-icon-stack[indicator-replaces-favicon] > :not(.tab-icon-overlay),
+#tabbrowser-tabs[secondarytext-unsupported] .tab-icon-stack[indicator-replaces-favicon] > :not(.tab-icon-overlay),
+:root:not([uidensity=compact]) #tabbrowser-tabs:not([secondarytext-unsupported]) .tabbrowser-tab:not(:hover) .tab-icon-overlay[indicator-replaces-favicon],
+:root:not([uidensity=compact]) #tabbrowser-tabs:not([secondarytext-unsupported]) .tabbrowser-tab:hover .tab-icon-stack[indicator-replaces-favicon] > :not(.tab-icon-overlay) {
+  opacity: 0;
+}
+
+.tab-icon-overlay[soundplaying]:not([crashed]),
+.tab-icon-overlay[muted]:not([crashed]),
+.tab-icon-overlay[activemedia-blocked]:not([crashed]) {
+  border-radius: 10px;
+  -moz-context-properties: fill, fill-opacity, stroke;
+  fill: currentColor;
+  stroke: transparent;
+}
+
+.tab-icon-overlay:is([pinned], [sharing]):not([crashed]) {
+  stroke: var(--tab-icon-overlay-stroke, white);
+  color: var(--tab-icon-overlay-fill, black);
+}
+
+.tab-icon-overlay:is([pinned], [sharing]):not([crashed])[soundplaying]:hover,
+.tab-icon-overlay:is([pinned], [sharing]):not([crashed])[muted]:hover,
+.tab-icon-overlay:is([pinned], [sharing]):not([crashed])[activemedia-blocked]:hover {
+  background-color: var(--tab-icon-overlay-stroke, white);
+}
+
+#TabsToolbar[brighttext] .tab-icon-overlay:is([pinned], [sharing]):not([crashed]) {
+  stroke: var(--tab-icon-overlay-stroke, black);
+  color: var(--tab-icon-overlay-fill, white);
+}
+
+#TabsToolbar[brighttext] .tab-icon-overlay:is([pinned], [sharing]):not([crashed])[soundplaying]:hover,
+#TabsToolbar[brighttext] .tab-icon-overlay:is([pinned], [sharing]):not([crashed])[muted]:hover,
+#TabsToolbar[brighttext] .tab-icon-overlay:is([pinned], [sharing]):not([crashed])[activemedia-blocked]:hover {
+  background-color: var(--tab-icon-overlay-stroke, black);
+}
+
+.tab-icon-overlay[indicator-replaces-favicon] {
+  border-radius: 2px;
+  fill-opacity: 0.75;
+  padding: 2px;
+}
+.tab-icon-overlay[indicator-replaces-favicon]:hover {
+  background-color: color-mix(in srgb, currentColor 15%, transparent);
+  fill-opacity: 0.95;
+}
+.tab-icon-overlay[indicator-replaces-favicon]:hover:active {
+  background-color: color-mix(in srgb, currentColor 30%, transparent);
+}
+
+.tab-icon-overlay[soundplaying] {
+  list-style-image: url("chrome://browser/skin/tabbrowser/tab-audio-playing-small.svg");
+}
+
+.tab-icon-overlay[muted] {
+  list-style-image: url("chrome://browser/skin/tabbrowser/tab-audio-muted-small.svg");
+}
+
+.tab-icon-overlay[activemedia-blocked] {
+  list-style-image: url("chrome://browser/skin/tabbrowser/tab-audio-blocked-small.svg");
+}
+
+.tab-icon-overlay[crashed] {
+  list-style-image: url("chrome://browser/skin/tabbrowser/crashed.svg");
+}
+
+@media (prefers-reduced-motion: reduce) {
+  .tab-throbber-tabslist[busy] {
+    list-style-image: url("chrome://browser/skin/tabbrowser/hourglass.svg");
+    -moz-context-properties: fill;
+    fill: currentColor;
+    opacity: 0.4;
+  }
+
+  .tab-throbber-tabslist[progress] {
+    opacity: 0.8;
+  }
+}
+
+@media (prefers-reduced-motion: no-preference) {
+  .tab-throbber-tabslist[busy] {
+    list-style-image: url("chrome://browser/skin/tabbrowser/tab-connecting.png");
+  }
+
+  .tab-throbber-tabslist[progress] {
+    list-style-image: url("chrome://browser/skin/tabbrowser/tab-loading.png");
+  }
+
+  :root[lwt-popup-brighttext] .tab-throbber-tabslist[progress]:not([selected=true]) {
+    list-style-image: url("chrome://browser/skin/tabbrowser/tab-loading-inverted.png");
+  }
+
+  @media (min-resolution: 1.1dppx) {
+    .tab-throbber-tabslist[busy] {
+      list-style-image: url("chrome://browser/skin/tabbrowser/tab-connecting@2x.png");
+    }
+
+    .tab-throbber-tabslist[progress] {
+      list-style-image: url("chrome://browser/skin/tabbrowser/tab-loading@2x.png");
+    }
+
+    :root[lwt-popup-brighttext] .tab-throbber-tabslist[progress]:not([selected=true]) {
+      list-style-image: url("chrome://browser/skin/tabbrowser/tab-loading-inverted@2x.png");
+    }
+  }
+}
+
+.tab-label {
+  margin-inline: 0;
+}
+
+.tab-close-button {
+  -moz-context-properties: fill, fill-opacity;
+  margin-inline-end: calc(var(--inline-tab-padding) / -2);
+  width: 24px;
+  height: 24px;
+  padding: 6px;
+  border-radius: var(--tab-border-radius);
+  list-style-image: url(chrome://global/skin/icons/close-12.svg);
+}
+
+/* The following rulesets allow showing more of the tab title */
+.tabbrowser-tab:not([labelendaligned],:hover) > .tab-stack > .tab-content > .tab-close-button {
+  padding-inline-start: 0;
+  width: 18px;
+}
+
+.tabbrowser-tab[visuallyselected=true]:not([labelendaligned]):hover,
+#tabbrowser-tabs:not([closebuttons=activetab]) > #tabbrowser-arrowscrollbox > .tabbrowser-tab:not([visuallyselected=true],[labelendaligned]):hover {
+  --tab-label-mask-size: 1em;
+}
+
+
+#tabbrowser-tabs[secondarytext-unsupported] .tab-secondary-label {
+  display: none;
+}
+
+#tabbrowser-tabs:not([secondarytext-unsupported]) .tab-label-container {
+  height: 2.7em;
+}
+
+.tab-secondary-label {
+  font-size: .75em;
+  opacity: .8;
+}
+
+.tab-icon-sound-label {
+  /* Set height back to equivalent of parent's 1em based
+     on the .tab-icon-sound having a reduced font-size */
+  height: 1.3333em;
+  white-space: nowrap;
+  margin: 0;
+}
+
+.tab-secondary-label[soundplaying-scheduledremoval]:not([muted]):not(:hover) {
+  transition: opacity .3s linear var(--soundplaying-removal-delay);
+  opacity: 0;
+}
+
+/* Tab Overflow */
+#tabbrowser-arrowscrollbox:not([scrolledtostart])::part(overflow-start-indicator),
+#tabbrowser-arrowscrollbox:not([scrolledtoend])::part(overflow-end-indicator) {
+  width: 7px; /* The width is the sum of the inline margins */
+  background-image: radial-gradient(ellipse at bottom,
+                                    rgba(0,0,0,0.1) 0%,
+                                    rgba(0,0,0,0.1) 7.6%,
+                                    rgba(0,0,0,0) 87.5%);
+  background-repeat: no-repeat;
+  background-position: -3px;
+  border-left: .5px solid rgba(255,255,255,.2);
+  pointer-events: none;
+  position: relative;
+  border-bottom: .5px solid transparent;
+}
+
+#tabbrowser-arrowscrollbox:not([scrolledtostart])::part(overflow-start-indicator) {
+  margin-inline: -.5px -6.5px;
+}
+
+#tabbrowser-arrowscrollbox:not([scrolledtoend])::part(overflow-end-indicator) {
+  margin-inline: -6.5px -.5px;
+}
+
+#tabbrowser-arrowscrollbox:-moz-locale-dir(rtl)::part(overflow-start-indicator),
+#tabbrowser-arrowscrollbox:-moz-locale-dir(ltr)::part(overflow-end-indicator) {
+  transform: scaleX(-1);
+}
+
+#tabbrowser-arrowscrollbox[scrolledtostart]::part(overflow-start-indicator),
+#tabbrowser-arrowscrollbox[scrolledtoend]::part(overflow-end-indicator) {
+  opacity: 0;
+}
+
+#tabbrowser-arrowscrollbox::part(overflow-start-indicator),
+#tabbrowser-arrowscrollbox::part(overflow-end-indicator) {
+  transition: opacity 150ms ease;
+}
+
+.tabbrowser-tab:not([visuallyselected=true], [multiselected]),
+.tabbrowser-tab:-moz-lwtheme {
+  color: inherit;
+}
+
+.tab-background {
+  border-radius: var(--tab-border-radius);
+  margin-block: var(--tab-block-margin);
+}
+
+/* Selected tab and tab hover */
+
+#TabsToolbar #firefox-view-button:hover:not([open]) > .toolbarbutton-icon,
+.tabbrowser-tab:hover > .tab-stack > .tab-background:not([selected=true], [multiselected]) {
+  background-color: color-mix(in srgb, currentColor 11%, transparent);
+}
+
+#TabsToolbar #firefox-view-button[open] > .toolbarbutton-icon,
+#tabbrowser-tabs:not([noshadowfortests]) .tab-background:is([selected], [multiselected]) {
+  box-shadow: 0 0 4px rgba(0,0,0,.4);
+}
+
+#TabsToolbar #firefox-view-button[open] > .toolbarbutton-icon,
+.tab-background:is([selected], [multiselected]) {
+  background-color: var(--tab-selected-bgcolor, var(--toolbar-bgcolor));
+  background-origin: border-box;
+  background-repeat: repeat-x;
+}
+
+.tabbrowser-tab:is([selected], [multiselected]):-moz-lwtheme {
+  color: var(--lwt-tab-text, var(--toolbar-color));
+}
+
+@media (prefers-contrast) {
+  #TabsToolbar #firefox-view-button:is([open], :hover):not(:focus-visible) > .toolbarbutton-icon,
+  .tab-background[selected],
+  .tabbrowser-tab:hover > .tab-stack > .tab-background {
+    outline: 1px solid currentColor;
+    outline-offset: -1px;
+  }
+}
+
+@media not (prefers-contrast) {
+  #TabsToolbar #firefox-view-button[open]:not(:focus-visible) > .toolbarbutton-icon:-moz-lwtheme,
+  .tab-background[selected]:not([multiselected=true]):-moz-lwtheme {
+    outline: 1px solid var(--lwt-tab-line-color, var(--lwt-tabs-border-color, currentColor));
+    outline-offset: -1px;
+  }
+}
+
+/* Add a focus outline on top of the multiselected tabs, with the currently selected
+   tab getting a slightly thicker outline. */
+.tab-background[multiselected=true] {
+  outline: 1px solid var(--focus-outline-color);
+  outline-offset: -1px;
+}
+
+.tab-background[multiselected=true][selected=true] {
+  outline-width: 2px;
+  outline-offset: -2px;
+}
+
+/*
+ * LightweightThemeConsumer will set the current lightweight theme's header
+ * image to the lwt-header-image variable, used in each of the following rulesets.
+ */
+#TabsToolbar #firefox-view-button[open] > .toolbarbutton-icon:-moz-lwtheme,
+#tabbrowser-tabs:not([movingtab]) > #tabbrowser-arrowscrollbox > .tabbrowser-tab > .tab-stack > .tab-background[multiselected=true]:-moz-lwtheme,
+#tabbrowser-tabs:not([movingtab]) > #tabbrowser-arrowscrollbox > .tabbrowser-tab > .tab-stack > .tab-background[selected=true]:-moz-lwtheme {
+  background-attachment: scroll, scroll, fixed;
+  background-color: transparent;
+  background-image: linear-gradient(var(--lwt-selected-tab-background-color, transparent), var(--lwt-selected-tab-background-color, transparent)),
+                    linear-gradient(var(--toolbar-bgcolor), var(--toolbar-bgcolor)),
+                    var(--lwt-header-image, none);
+  background-position: 0 0, 0 0, right top;
+  background-repeat: repeat-x, repeat-x, no-repeat;
+  background-size: auto 100%, auto 100%, auto auto;
+}
+
+/* Pinned tabs */
+
+.tabbrowser-tab:is([image], [pinned]) > .tab-stack > .tab-content[attention]:not([selected="true"]),
+.tabbrowser-tab > .tab-stack > .tab-content[pinned][titlechanged]:not([selected="true"]),
+#firefox-view-button[attention] {
+  background-image: radial-gradient(circle, var(--tab-attention-icon-color), var(--tab-attention-icon-color) 2px, transparent 2px);
+  background-position: center bottom calc(6.5px + var(--tabs-navbar-shadow-size));
+  background-size: 4px 4px;
+  background-repeat: no-repeat;
+}
+
+.tabbrowser-tab[image] > .tab-stack > .tab-content[attention]:not([pinned], [selected="true"]) {
+  background-position-x: left 14px;
+}
+
+.tabbrowser-tab[image] > .tab-stack > .tab-content[attention]:not([pinned], [selected="true"]):-moz-locale-dir(rtl) {
+  background-position-x: right 14px;
+}
+
+#tabbrowser-tabs[haspinnedtabs]:not([positionpinnedtabs]) > #tabbrowser-arrowscrollbox > .tabbrowser-tab[first-visible-unpinned-tab] {
+  /* Add a gap between the last pinned tab and the first visible tab */
+  margin-inline-start: 12px !important; /* .tabbrowser-tab sets margin: 0 !important; */
+}
+
+.tab-label[attention]:not([selected="true"]) {
+  font-weight: bold;
+}
+
+/* Tab drag and drop */
+
+.tab-drop-indicator {
+  width: 12px;
+  margin-inline-start: -12px;
+  background: url(chrome://browser/skin/tabbrowser/tab-drag-indicator.svg) no-repeat center;
+  position: relative;
+  z-index: 2;
+  pointer-events: none;
+}
+
+/* Drag space */
+
+.titlebar-spacer[type="pre-tabs"],
+.titlebar-spacer[type="post-tabs"] {
+  width: 40px;
+}
+
+@media (max-width: 500px) {
+  .titlebar-spacer[type="post-tabs"] {
+    display: none;
+  }
+}
+
+/* Firefox View button and menu item */
+
+:root:not([privatebrowsingmode=temporary], [firefoxviewhidden]) :is(toolbarbutton, toolbarpaletteitem) + #tabbrowser-tabs,
+:root[privatebrowsingmode=temporary]:not([firefoxviewhidden]) :is(
+  toolbarbutton:not(#firefox-view-button),
+  toolbarpaletteitem:not(#wrapper-firefox-view-button)
+) + #tabbrowser-tabs {
+  border-inline-start: 1px solid color-mix(in srgb, currentColor 25%, transparent);
+  padding-inline-start: calc(var(--tab-overflow-pinned-tabs-width) + 2px);
+  margin-inline-start: 2px;
+}
+
+:root[privatebrowsingmode=temporary] :is(#firefox-view-button, #menu_openFirefoxView) {
+  display: none;
+}
+
+toolbar:not(#TabsToolbar) #firefox-view-button {
+  background-position: top 25% right 25%;
+}
+
+:is(#widget-overflow-mainView, #widget-overflow-fixed-list) #firefox-view-button {
+  background-position: top 25% left 22px;
+}
+
+/* RTL notification dot */
+toolbar:not(#TabsToolbar) #firefox-view-button:-moz-locale-dir(rtl) {
+  background-position-x: left 25%;
+}
+
+:is(#widget-overflow-mainView, #widget-overflow-fixed-list) #firefox-view-button:-moz-locale-dir(rtl) {
+  background-position-x: right 22px;
+}
+
+/* Tab bar scroll arrows */
+
+#tabbrowser-arrowscrollbox::part(scrollbutton-up),
+#tabbrowser-arrowscrollbox::part(scrollbutton-down) {
+  fill: var(--toolbarbutton-icon-fill);
+}
+
+/* New tab button */
+
+#tabs-newtab-button,
+#TabsToolbar #new-tab-button {
+  list-style-image: url(chrome://global/skin/icons/plus.svg);
+}
+
+/* All tabs button and menupopup */
+
+#alltabs-button {
+  list-style-image: url(chrome://global/skin/icons/arrow-down.svg);
+}
+
+#tabbrowser-tabs[hiddensoundplaying] ~ #alltabs-button > .toolbarbutton-badge-stack > .toolbarbutton-badge {
+  background: transparent url(chrome://browser/skin/tabbrowser/tab-audio-playing-small.svg);
+  box-shadow: none;
+  /* Match the color of the button, rather than label default. */
+  color: inherit;
+  display: block;
+  -moz-context-properties: fill, fill-opacity, stroke;
+  fill: currentColor;
+  stroke: transparent;
+  /* "!important" is necessary to override the rule in toolbarbutton.css */
+  margin: -7px 0 0 !important;
+  margin-inline-end: -4px !important;
+  min-width: 12px;
+  min-height: 12px;
+}
+
+/* The list of tabs is in its own panel-subview-body which will scroll. We don't
+   want any padding below the scrollbar, so remove the bottom padding
+   from the outer panel-subview-body. */
+#allTabsMenu-allTabsView > .panel-subview-body {
+  padding-bottom: 0;
+}
+
+#allTabsMenu-allTabsView-tabs {
+  padding-top: 0;
+}
+
+.all-tabs-item {
+  margin-inline: var(--arrowpanel-menuitem-margin-inline);
+  border-radius: var(--arrowpanel-menuitem-border-radius);
+}
+
+.all-tabs-item[selected] {
+  font-weight: bold;
+}
+
+.all-tabs-item > toolbarbutton {
+  margin: 0;
+}
+
+.all-tabs-item > toolbarbutton:hover {
+  background-color: var(--panel-item-hover-bgcolor);
+}
+
+.all-tabs-item > toolbarbutton:hover:active {
+  background-color: var(--panel-item-active-bgcolor);
+}
+
+.all-tabs-button {
+  list-style-image: url("chrome://global/skin/icons/defaultFavicon.svg");
+}
+
+.all-tabs-secondary-button {
+  -moz-context-properties: fill;
+  fill: currentColor;
+}
+
+.all-tabs-secondary-button > label {
+  display: none !important; /* override panelUI-shared.css */
+}
+
+.all-tabs-secondary-button:hover {
+  opacity: 1;
+}
+
+.all-tabs-mute-button[soundplaying] {
+  list-style-image: url(chrome://global/skin/media/audio.svg);
+}
+
+.all-tabs-mute-button[muted] {
+  list-style-image: url(chrome://global/skin/media/audio-muted.svg);
+}
+
+.all-tabs-close-button {
+  list-style-image: url(chrome://global/skin/icons/close-12.svg);
+}
+
+.all-tabs-close-button > .toolbarbutton-icon {
+  margin-inline: 2px !important; /* override panelUI-shared.css */
+}
-- 
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