1 files changed, 116 insertions, 0 deletions
diff --git a/web_src/css/modules/animations.css b/web_src/css/modules/animations.css
new file mode 100644
index 00000000..a86c9234
--- /dev/null
+++ b/web_src/css/modules/animations.css
@@ -0,0 +1,116 @@
+@keyframes isloadingspin {
+  0% { transform: translate(-50%, -50%) rotate(0deg); }
+  100% { transform: translate(-50%, -50%) rotate(360deg); }
+}
+
+.is-loading {
+  pointer-events: none !important;
+  position: relative !important;
+}
+
+.is-loading > * {
+  opacity: 0.3;
+}
+
+.btn.is-loading > *,
+.button.is-loading > * {
+  opacity: 0;
+}
+
+.is-loading::after {
+  content: "";
+  position: absolute;
+  display: block;
+  left: 50%;
+  top: 50%;
+  height: min(4em, 66.6%);
+  width: fit-content; /* compat: safari - https://bugs.webkit.org/show_bug.cgi?id=267625 */
+  aspect-ratio: 1;
+  transform: translate(-50%, -50%);
+  animation: isloadingspin 1000ms infinite linear;
+  border-width: 4px;
+  border-style: solid;
+  border-color: var(--color-secondary) var(--color-secondary) var(--color-secondary-dark-8) var(--color-secondary-dark-8);
+  border-radius: var(--border-radius-full);
+}
+
+.is-loading.loading-icon-2px::after {
+  border-width: 2px;
+}
+
+.is-loading.loading-icon-3px::after {
+  border-width: 3px;
+}
+
+/* for single form button, the loading state should be on the button, but not go semi-transparent, just replace the text on the button with the loader. */
+form.single-button-form.is-loading > * {
+  opacity: 1;
+}
+
+form.single-button-form.is-loading .button {
+  color: transparent;
+}
+
+.markup pre.is-loading,
+.editor-loading.is-loading,
+.pdf-content.is-loading {
+  height: var(--height-loading);
+}
+
+.markup .is-loading > * {
+  visibility: hidden;
+}
+
+.markup .is-loading {
+  color: transparent;
+  background: transparent;
+}
+
+/* TODO: not needed, use "is-loading loading-icon-2px" instead */
+code.language-math.is-loading::after {
+  padding: 0;
+  border-width: 2px;
+  width: 1.25rem;
+  height: 1.25rem;
+}
+
+@keyframes fadein {
+  0% {
+    opacity: 0;
+  }
+  100% {
+    opacity: 1;
+  }
+}
+
+@keyframes fadeout {
+  0% {
+    opacity: 1;
+  }
+  100% {
+    opacity: 0;
+  }
+}
+
+@keyframes pulse {
+  0% {
+    transform: scale(1);
+  }
+  50% {
+    transform: scale(1.8);
+  }
+  100% {
+    transform: scale(1);
+  }
+}
+
+.pulse {
+  animation: pulse 2s linear;
+}
+
+.ui.modal,
+.ui.dimmer.transition {
+  animation-name: fadein;
+  animation-duration: 100ms;
+  animation-timing-function: ease-in-out;
+}