fix(skin): add subtle control transitions on touch devices (#985)

packages/skins/src/default/css/components/buttons.css

@@ -17,7 +17,7 @@
   color: oklch(0 0 0);
   font-weight: 500;
   text-align: center;
-  transition-property: background-color, color, outline-offset, transform;
+  transition-property: background-color, color, outline-offset, scale;
   transition-duration: 150ms;
   transition-timing-function: ease-out;
   cursor: pointer;
@@ -58,7 +58,7 @@
   }
 
   &:active {
-    transform: scale(0.9);
+    scale: 0.9;
   }
 
   & .media-icon {

packages/skins/src/default/css/components/captions.css

@@ -3,31 +3,20 @@
    ========================================================================== */
 
 .media-default-skin {
-  --media-caption-track-duration: 150ms;
-  --media-caption-track-delay: 600ms;
+  --media-caption-track-duration: var(--media-controls-transition-duration);
+  --media-caption-track-delay: calc(var(--media-controls-transition-delay) + 25ms);
   --media-caption-track-y: -0.5rem;
 
   &:has(.media-controls[data-visible]) {
-    --media-caption-track-delay: 25ms;
     --media-caption-track-y: -3.5rem;
   }
-
-  @media (prefers-reduced-motion: reduce) {
-    --media-caption-track-duration: 50ms;
-  }
 }
 
 .media-default-skin video::-webkit-media-text-track-container {
-  /* NOTE: The delay must account for the controls delay/duration */
-  transition: transform var(--media-caption-track-duration) ease-out;
+  transition: translate var(--media-caption-track-duration) ease-out;
   transition-delay: var(--media-caption-track-delay);
-  transform: translateY(var(--media-caption-track-y)) scale(0.98);
+  translate: 0 var(--media-caption-track-y);
+  scale: 0.98;
   z-index: 1;
   font-family: inherit;
 }
-
-@media (prefers-reduced-motion: reduce) {
-  .media-default-skin video::-webkit-media-text-track-container {
-    transition-duration: 50ms;
-  }
-}

packages/skins/src/default/css/components/error.css

@@ -20,7 +20,7 @@
   border-radius: 1.75rem;
   color: oklch(1 0 0);
   font-size: 0.875rem;
-  transition-property: opacity, transform;
+  transition-property: opacity, scale;
   transition-duration: 500ms;
   transition-delay: 100ms;
   transition-timing-function: linear(
@@ -46,7 +46,7 @@
 .media-default-skin .media-error[data-starting-style] .media-error__dialog,
 .media-default-skin .media-error[data-ending-style] .media-error__dialog {
   opacity: 0;
-  transform: scale(0.5);
+  scale: 0.5;
 }
 
 .media-default-skin .media-error__content {
@@ -63,6 +63,7 @@
 
 .media-default-skin .media-error__description {
   opacity: 0.7;
+  overflow-wrap: anywhere;
 }
 
 .media-default-skin .media-error__actions {

packages/skins/src/default/css/components/popup.css

@@ -8,13 +8,13 @@
   border: 0;
   color: inherit;
   overflow: visible;
-  transition-property: transform, scale, opacity, filter;
+  transition-property: scale, opacity, filter;
   transition-duration: 150ms;
 
   &[data-starting-style],
   &[data-ending-style] {
     opacity: 0;
-    transform: scale(0.5);
+    scale: 0.5;
     filter: blur(8px);
   }
 

packages/skins/src/default/css/components/preview.css

@@ -36,7 +36,7 @@
     position: absolute;
     top: 50%;
     left: 50%;
-    transform: translate(-50%, -50%);
+    translate: -50% -50%;
     opacity: 0;
   }
 

packages/skins/src/default/css/components/slider.css

@@ -47,7 +47,7 @@
 .media-default-skin .media-slider__thumb {
   z-index: 10;
   position: absolute;
-  transform: translate(-50%, -50%);
+  translate: -50% -50%;
   width: 0.625rem;
   height: 0.625rem;
   background-color: currentColor;

packages/skins/src/default/css/video.css

@@ -29,11 +29,27 @@
   --media-surface-shadow-color: oklch(0 0 0 / 0.15);
   --media-surface-backdrop-filter: blur(16px) saturate(1.5);
   --media-video-border-radius: var(--media-border-radius, 2rem);
+  --media-controls-transition-duration: 100ms;
+  --media-controls-transition-delay: 0ms;
 
   @media (prefers-color-scheme: dark) {
     --media-border-color: oklch(1 0 0 / 0.15);
   }
 
+  &:has(.media-controls:not([data-visible])) {
+    /* Slight delay to hide controls on non-touch devices after interaction */
+    @media (pointer: fine) {
+      --media-controls-transition-delay: 500ms;
+      --media-controls-transition-duration: 300ms;
+    }
+    @media (pointer: coarse) {
+      --media-controls-transition-duration: 150ms;
+    }
+    @media (prefers-reduced-motion: reduce) {
+      --media-controls-transition-duration: 100ms;
+    }
+  }
+
   /* Inner border ring */
   &::after {
     content: "";
@@ -60,41 +76,45 @@
   inset-inline: 0.75rem;
   z-index: 10;
   color: var(--media-color-primary, oklch(1 0 0));
-  will-change: scale, transform, filter, opacity;
   transition-timing-function: ease-out;
+  transition-duration: var(--media-controls-transition-duration);
+  transition-delay: var(--media-controls-transition-delay);
   transform-origin: bottom;
 
   @media (pointer: fine) {
-    transition-property: scale, transform, filter, opacity;
-    transition-duration: 100ms;
-    transition-delay: 0ms;
+    will-change: scale, filter, opacity;
+    transition-property: scale, filter, opacity;
+  }
+
+  @media (pointer: coarse) {
+    will-change: scale, opacity;
+    transition-property: scale, opacity;
   }
 
   &:not([data-visible]) {
     opacity: 0;
     pointer-events: none;
     scale: 0.9;
-    filter: blur(8px);
 
     @media (pointer: fine) {
-      transition-duration: 300ms;
-      transition-delay: 500ms;
+      filter: blur(8px);
 
       @media (prefers-reduced-motion: reduce) {
-        transition-duration: 100ms;
+        filter: blur(0);
       }
     }
 
     @media (prefers-reduced-motion: reduce) {
       scale: 1;
-      filter: blur(0);
     }
   }
 }
 
 /* Hide cursor when controls are hidden in fullscreen */
-.media-default-skin--video:fullscreen:has(.media-controls:not([data-visible])) {
-  cursor: none;
+@media (pointer: fine) {
+  .media-default-skin--video:fullscreen:has(.media-controls:not([data-visible])) {
+    cursor: none;
+  }
 }
 
 /* ==========================================================================
@@ -117,6 +137,7 @@
   transition-property: scale, opacity, filter;
   transition-duration: 150ms;
   transform-origin: bottom;
+  pointer-events: none;
 
   & .media-preview__thumbnail {
     max-width: 11rem;