1 files changed, 107 insertions, 0 deletions
diff --git a/toolkit/content/widgets/datetimebox.css b/toolkit/content/widgets/datetimebox.css
new file mode 100644
index 0000000000..4c8914ace4
--- /dev/null
+++ b/toolkit/content/widgets/datetimebox.css
@@ -0,0 +1,107 @@
+/* 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/. */
+
+.datetimebox {
+  display: flex;
+  line-height: normal;
+  /* TODO: Enable selection once bug 1455893 is fixed */
+  user-select: none;
+}
+
+.datetime-input-box-wrapper {
+  display: inline-flex;
+  flex: 1;
+  background-color: inherit;
+  min-width: 0;
+  justify-content: space-between;
+  align-items: center;
+}
+
+.datetime-input-edit-wrapper {
+  overflow: hidden;
+  white-space: nowrap;
+  flex-grow: 1;
+}
+
+.datetime-edit-field {
+  display: inline;
+  text-align: center;
+  padding: 1px 3px;
+  border: 0;
+  margin: 0;
+  ime-mode: disabled;
+  outline: none;
+
+  &:focus {
+    background-color: Highlight;
+    color: HighlightText;
+    outline: none;
+  }
+}
+
+.datetime-calendar-button {
+  -moz-context-properties: fill;
+  color: inherit;
+  font-size: inherit;
+  fill: currentColor;
+  opacity: .65;
+  background-color: transparent;
+  border: none;
+  border-radius: 0.2em;
+  flex: none;
+  margin-block: 0;
+  margin-inline: 0.075em 0.15em;
+  padding: 0 0.15em;
+  line-height: 1;
+
+  &:focus-visible {
+    outline: 0.15em solid SelectedItem;
+  }
+
+  &:focus-visible,
+  &:hover {
+    opacity: 1;
+  }
+
+  @media (prefers-contrast) {
+    opacity: 1;
+    background-color: ButtonFace;
+    color: ButtonText;
+
+    > .datetime-calendar-button-svg {
+      background-color: ButtonFace;
+      -moz-context-properties: fill;
+      fill: ButtonText;
+    }
+
+    &:focus-visible,
+    &:hover {
+      background-color: SelectedItem;
+
+      > .datetime-calendar-button-svg {
+        background-color: SelectedItem;
+        -moz-context-properties: fill;
+        fill: SelectedItemText;
+      }
+    }
+  }
+}
+
+.datetime-calendar-button-svg {
+  pointer-events: none;
+  /* When using a very small font-size, we don't want the button to take extra
+   * space (which will affect the baseline of the form control) */
+  max-width: 1em;
+  max-height: 1em;
+}
+
+:host(:is(:disabled, :read-only, [type="time"])) .datetime-calendar-button {
+  display: none;
+}
+
+:host(:is(:disabled, :read-only)) .datetime-edit-field {
+  user-select: none;
+  pointer-events: none;
+  -moz-user-focus: none;
+}