Refine styles of menus, toasts, popovers, and modals

This is a reintroduction of matrix-org#12247, with the difference that modal styles have now been refreshed as well.

res/css/_common.pcss

@@ -329,16 +329,21 @@ legend {
     justify-content: center;
 }
 
+.mx_Dialog_border {
+    z-index: var(--dialog-zIndex-standard);
+    position: relative;
+    max-height: calc(100% - var(--cpd-space-12x));
+    display: flex;
+    flex-direction: column;
+}
+
 .mx_Dialog {
     background-color: $background;
     color: $light-fg-color;
-    z-index: var(--dialog-zIndex-standard);
     font-size: $font-15px;
     position: relative;
-    padding: 24px;
-    max-height: 80%;
-    box-shadow: 2px 15px 30px 0 $dialog-shadow-color;
-    border-radius: 8px;
+    padding: var(--cpd-space-8x) var(--cpd-space-10x);
+    box-sizing: border-box;
     overflow-y: auto;
 
     .mx_Dialog_staticWrapper & {
@@ -439,7 +444,6 @@ legend {
     width: 100%;
     height: 100%;
     background-color: $dialog-backdrop-color;
-    opacity: 0.8;
     z-index: var(--dialog-zIndex-standard-background);
 
     &.mx_Dialog_staticBackground {
@@ -483,21 +487,13 @@ legend {
 
 .mx_Dialog_header {
     position: relative;
-    padding: 3px 0;
-    margin-bottom: 10px;
+    padding: 0;
+    padding-inline-end: 20px; /* Reserve room for the close button */
+    margin-bottom: var(--cpd-space-2x);
 
     &.mx_Dialog_headerWithButton > .mx_Dialog_title {
         text-align: center;
     }
-
-    &.mx_Dialog_headerWithCancel {
-        padding-right: 20px; /* leave space for the 'X' cancel button */
-    }
-
-    &.mx_Dialog_headerWithCancelOnly {
-        padding: 0 20px 0 0;
-        margin: 0;
-    }
 }
 
 @define-mixin customisedCancelButton {
@@ -528,8 +524,8 @@ legend {
 .mx_Dialog_cancelButton {
     @mixin customisedCancelButton;
     position: absolute;
-    top: 4px;
-    right: 0;
+    top: var(--cpd-space-4x);
+    right: var(--cpd-space-4x);
 }
 
 .mx_Dialog_content {

res/css/structures/_ContextualMenu.pcss

@@ -30,9 +30,10 @@ limitations under the License.
 }
 
 .mx_ContextualMenu {
-    border-radius: 8px;
-    box-shadow: 4px 4px 12px 0 $menu-box-shadow-color;
-    background-color: $menu-bg-color;
+    border-radius: 12px;
+    box-shadow: 0px 4px 24px rgba(0, 0, 0, 0.1);
+    background-color: var(--cpd-color-bg-canvas-default);
+    border: var(--cpd-border-width-1) solid var(--cpd-color-border-interactive-secondary);
     color: $primary-content;
     position: absolute;
     z-index: 5001;

res/css/structures/_QuickSettingsButton.pcss

@@ -62,7 +62,7 @@ limitations under the License.
         font-weight: var(--cpd-font-weight-semibold);
         font-size: $font-15px;
         line-height: $font-24px;
-        color: $primary-content;
+        color: var(--cpd-color-text-secondary);
         margin: 0 0 16px;
     }
 
@@ -76,7 +76,7 @@ limitations under the License.
         font-size: $font-12px;
         line-height: $font-15px;
         text-transform: uppercase;
-        color: $tertiary-content;
+        color: var(--cpd-color-text-secondary);
         margin: 20px 0 12px;
     }
 
@@ -97,7 +97,7 @@ limitations under the License.
             margin-left: 6px;
             font-size: $font-15px;
             line-height: $font-24px;
-            color: $secondary-content;
+            color: var(--cpd-color-text-primary);
         }
     }
 
@@ -106,7 +106,7 @@ limitations under the License.
         margin-left: 22px;
         font-size: $font-15px;
         line-height: $font-24px;
-        color: $secondary-content;
+        color: var(--cpd-color-text-primary);
         position: relative;
         margin-bottom: 16px;
     }

res/css/structures/_TabbedView.pcss

@@ -18,7 +18,7 @@ limitations under the License.
 
 .mx_TabbedView {
     margin: 0;
-    padding: 0 0 0 16px;
+    padding: 0 0 0 var(--cpd-space-8x);
     display: flex;
     flex-direction: column;
     inset: 0;

res/css/structures/_ToastContainer.pcss

@@ -36,16 +36,17 @@ limitations under the License.
     .mx_Toast_toast {
         grid-row: 1 / 3;
         grid-column: 1;
-        background-color: $system;
+        background-color: var(--cpd-color-bg-canvas-default);
         color: $primary-content;
-        box-shadow: 0px 4px 20px rgba(0, 0, 0, 0.5);
-        border-radius: 8px;
+        box-shadow: 0px 4px 24px rgba(0, 0, 0, 0.1);
+        border: var(--cpd-border-width-1) solid var(--cpd-color-border-interactive-secondary);
+        border-radius: 12px;
         overflow: hidden;
         display: grid;
         grid-template-columns: 22px 1fr;
         column-gap: 8px;
         row-gap: 4px;
-        padding: 8px;
+        padding: var(--cpd-space-3x);
 
         &.mx_Toast_hasIcon {
             &::before,

res/css/views/context_menus/_IconizedContextMenu.pcss

@@ -36,26 +36,7 @@ limitations under the License.
         /* the notFirst class is for cases where the optionList might be under a header of sorts. */
         &:nth-child(n + 2),
         .mx_IconizedContextMenu_optionList_notFirst {
-            /* This is a bit of a hack when we could just use a simple border-top property, */
-            /* however we have a (kinda) good reason for doing it this way: we need opacity. */
-            /* To get the right color, we need an opacity modifier which means we have to work */
-            /* around the problem. PostCSS doesn't support the opacity() function, and if we */
-            /* use something like postcss-functions we quickly run into an issue where the */
-            /* function we would define gets passed a CSS variable for custom themes, which */
-            /* can't be converted easily even when considering https://stackoverflow.com/a/41265350/7037379 */
-            //
-            /* Therefore, we just hack in a line and border the thing ourselves */
-            &::before {
-                border-top: 1px solid $primary-content;
-                opacity: 0.1;
-                content: "";
-
-                /* Counteract the padding problems (width: 100% ignores the 40px padding, */
-                /* unless we position it absolutely then it does the right thing). */
-                width: 100%;
-                position: absolute;
-                left: 0;
-            }
+            border-top: var(--cpd-border-width-1) solid var(--cpd-color-gray-400);
         }
 
         /* round the top corners of the top button for the hover effect to be bounded */
@@ -87,7 +68,7 @@ limitations under the License.
 
             &:hover,
             &:focus-visible {
-                background-color: $menu-selected-color;
+                background-color: var(--cpd-color-bg-action-secondary-hovered);
             }
 
             &.mx_AccessibleButton_disabled {
@@ -137,7 +118,7 @@ limitations under the License.
             mask-position: center;
             mask-size: contain;
             mask-repeat: no-repeat;
-            background-color: $icon-button-color;
+            background-color: var(--cpd-color-icon-primary);
         }
     }
 
@@ -147,7 +128,7 @@ limitations under the License.
         }
 
         .mx_IconizedContextMenu_icon::before {
-            background-color: $alert;
+            background-color: var(--cpd-color-icon-critical-primary);
         }
     }
 
@@ -172,7 +153,7 @@ limitations under the License.
 
     &.mx_IconizedContextMenu_compact {
         .mx_IconizedContextMenu_optionList > * {
-            padding: 8px 16px 8px 11px;
+            padding: 8px 16px 8px 12px;
         }
     }
 

res/css/views/context_menus/_MessageContextMenu.pcss

@@ -29,7 +29,6 @@ limitations under the License.
             mask-position: center;
             mask-size: contain;
             mask-repeat: no-repeat;
-            background: $icon-button-color;
         }
     }
 

res/css/views/dialogs/_CompoundDialog.pcss

@@ -21,7 +21,7 @@ limitations under the License.
 /* -------------------------------------------------------------------------------- */
 
 /* Override legacy/default styles for dialogs */
-.mx_Dialog_wrapper.mx_CompoundDialog > .mx_Dialog {
+.mx_Dialog_wrapper.mx_CompoundDialog .mx_Dialog {
     padding: 0; /* we'll manage it ourselves */
     color: $primary-content;
 }
@@ -41,14 +41,14 @@ limitations under the License.
             font-size: $font-24px;
             margin: 0; /* managed by header class */
         }
+    }
 
-        .mx_CompoundDialog_cancelButton {
-            @mixin customisedCancelButton;
-            /* Align with middle of title, 30px from right edge */
-            position: absolute;
-            top: 30px;
-            right: 30px;
-        }
+    .mx_CompoundDialog_cancelButton {
+        @mixin customisedCancelButton;
+        /* Align with corner radius of dialog */
+        position: absolute;
+        top: var(--cpd-space-4x);
+        right: var(--cpd-space-4x);
     }
 
     .mx_CompoundDialog_form {

res/css/views/dialogs/_LocationViewDialog.pcss

@@ -16,11 +16,6 @@ limitations under the License.
 
 .mx_LocationViewDialog_wrapper .mx_Dialog {
     padding: 0px;
-
-    /* Unset contain and position to allow the close button
-    to appear outside the dialog */
-    contain: unset;
-    position: unset;
 }
 
 .mx_LocationViewDialog {
@@ -37,16 +32,13 @@ limitations under the License.
         .mx_Dialog_title {
             display: none;
         }
+    }
 
-        .mx_Dialog_cancelButton {
-            z-index: 4010;
-            position: absolute;
-            right: 5vw;
-            top: 5vh;
-            width: 20px;
-            height: 20px;
-            background-color: $dialog-close-external-color;
-        }
+    .mx_Dialog_cancelButton {
+        z-index: 4010;
+        position: absolute;
+        left: var(--cpd-space-4x);
+        top: var(--cpd-space-4x);
     }
 }
 

res/css/views/dialogs/_SettingsDialog.pcss

@@ -20,12 +20,12 @@ limitations under the License.
 .mx_SpaceSettingsDialog,
 .mx_SpacePreferencesDialog {
     width: 90vw;
-    max-width: 1000px;
+    max-width: 980px;
     /* set the height too since tabbed view scrolls itself. */
     height: 80vh;
 
     .mx_TabbedView {
-        top: 65px;
+        top: 90px;
     }
 
     .mx_TabbedView .mx_SettingsTab {

res/css/views/messages/_MessageActionBar.pcss

@@ -18,7 +18,7 @@ limitations under the License.
 .mx_MessageActionBar {
     --MessageActionBar-size-button: 28px;
     --MessageActionBar-size-box: 32px; /* 28px + 2px (margin) * 2 */
-    --MessageActionBar-item-hover-background: $panel-actions;
+    --MessageActionBar-item-hover-background: var(--cpd-color-bg-subtle-secondary);
     --MessageActionBar-item-hover-borderRadius: 6px;
     --MessageActionBar-item-hover-zIndex: 1;
 
@@ -30,7 +30,7 @@ limitations under the License.
     line-height: $font-24px;
     border-radius: 8px;
     background: $background;
-    border: 1px solid $input-border-color;
+    border: var(--cpd-border-width-1) solid var(--cpd-color-border-disabled);
     top: -32px;
     right: 8px;
     user-select: none;
@@ -96,7 +96,7 @@ limitations under the License.
         --MessageActionBar-icon-size: 18px;
         width: var(--MessageActionBar-size-button);
         height: var(--MessageActionBar-size-button);
-        color: $secondary-content;
+        color: var(--cpd-color-icon-secondary);
         display: flex;
         align-items: center;
         justify-content: center;
@@ -114,7 +114,7 @@ limitations under the License.
         }
 
         &:hover {
-            color: $primary-content;
+            color: var(--cpd-color-icon-primary);
         }
 
         &.mx_MessageActionBar_downloadButton {

res/css/views/right_panel/_BaseCard.pcss

@@ -215,19 +215,19 @@ limitations under the License.
         padding-top: 10px;
         padding-bottom: 10px;
 
-        border: 1px solid $quinary-content;
-        box-shadow: 0px 1px 3px rgba(23, 25, 28, 0.05);
+        border: var(--cpd-border-width-1) solid var(--cpd-color-border-interactive-secondary);
+        box-shadow: 0px 4px 24px rgba(0, 0, 0, 0.1);
     }
 
     .mx_ContextualMenu_chevron_top {
         left: auto;
         right: 22px;
-        border-bottom-color: $quinary-content;
+        border-bottom-color: var(--cpd-color-border-interactive-secondary);
 
         &::after {
             content: "";
             border: inherit;
-            border-bottom-color: $menu-bg-color;
+            border-bottom-color: var(--cpd-color-bg-canvas-default);
             position: absolute;
             top: 1px;
             left: -8px;

res/css/views/right_panel/_PinnedMessagesCard.pcss

@@ -42,7 +42,7 @@ limitations under the License.
                     background: var(--MessageActionBar-item-hover-background);
                     border-radius: var(--MessageActionBar-item-hover-borderRadius);
                     z-index: var(--MessageActionBar-item-hover-zIndex);
-                    color: $primary-content;
+                    color: var(--cpd-color-icon-primary);
                 }
             }