Simplify fullscreen playback controls

frontend/fullscreen-orientation.css

@@ -1,36 +1,38 @@
 /* Shared fullscreen surface; inline player styling is unchanged. */
 .orientation-fullscreen .fullscreen-hud[hidden] { display: none; }
 .orientation-fullscreen .fullscreen-hud {
-  --hud-glass: color-mix(in srgb, var(--bg-1, #111) 74%, transparent);
   --hud-ink: var(--text, #fff);
-  --hud-line: color-mix(in srgb, var(--line, #fff) 32%, transparent);
+  position: absolute; z-index: 20; right: max(12px, env(safe-area-inset-right));
-  position: absolute; z-index: 20;
+  bottom: max(8px, env(safe-area-inset-bottom)); left: max(12px, env(safe-area-inset-left));
-  right: max(12px, env(safe-area-inset-right));
+  display: flex; flex-direction: column; align-items: stretch; gap: 2px; padding: 4px 2px 2px;
-  bottom: max(12px, env(safe-area-inset-bottom));
+  color: #fff; background: linear-gradient(to bottom, transparent, rgb(0 0 0 / .45));
-  left: max(12px, env(safe-area-inset-left));
-  display: flex; align-items: center; gap: 6px;
-  padding: 5px; border: 1px solid var(--hud-line); border-radius: 999px;
-  background: var(--hud-glass); color: var(--hud-ink);
-  -webkit-backdrop-filter: saturate(150%) blur(18px);
-  backdrop-filter: saturate(150%) blur(18px);
-  box-shadow: 0 8px 28px rgb(0 0 0 / .2);
   opacity: 1; transition: opacity .22s ease;
 }
+.fullscreen-top { display: flex; align-items: center; justify-content: space-between; min-height: 38px; }
+.fullscreen-top .fullscreen-title { min-width: 0; max-width: calc(100% - 52px); overflow: hidden; white-space: nowrap; text-overflow: ellipsis; font-size: 13px; font-weight: 500; color: #fff; text-shadow: 0 1px 5px #000; }
+.fullscreen-controls { display: flex; align-items: center; gap: 6px; }
+.fullscreen-top button { width: 38px; min-width: 38px; height: 38px; min-height: 38px; }
 .orientation-fullscreen .fullscreen-hud.hud-hidden { opacity: 0; pointer-events: none; }
 .fullscreen-hud button {
   display: grid; place-items: center; flex: none;
-  width: 48px; min-width: 48px; height: 48px; min-height: 48px; padding: 0;
+  width: 44px; min-width: 44px; height: 44px; min-height: 44px; padding: 0;
-  border: 1px solid transparent; border-radius: 50%;
+  border: 0; border-radius: 50%; background: transparent;
-  background: color-mix(in srgb, var(--hud-ink, #fff) 10%, transparent);
   color: var(--hud-ink, #fff); font: inherit; cursor: pointer;
+  filter: drop-shadow(0 1px 3px rgb(0 0 0 / .8));
   -webkit-tap-highlight-color: transparent;
 }
-.fullscreen-hud button:hover { background: color-mix(in srgb, var(--hud-ink, #fff) 18%, transparent); }
+.fullscreen-hud button:hover { background: rgb(255 255 255 / .12); }
 .fullscreen-hud button:active { transform: scale(.94); }
 .fullscreen-hud button svg { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
 .fullscreen-hud button .fill { fill: currentColor; stroke: none; }
 .fullscreen-hud button:focus-visible { outline: 2px solid var(--accent, #fff); outline-offset: 2px; }
-.fullscreen-hud input { min-width: 40px; min-height: 44px; height: 44px; flex: 1; margin: 0 4px; accent-color: var(--accent, #fff); touch-action: none; }
+.fullscreen-hud input { min-width: 40px; min-height: 18px; height: 18px; flex: 1; margin: 0 4px; accent-color: var(--accent, #fff); touch-action: none; appearance: none; background: transparent; }
+.fullscreen-hud input::-webkit-slider-runnable-track { height: 3px; border-radius: 2px; background: linear-gradient(to right, var(--accent, #fff) 0 var(--seek-progress, 0%), rgb(255 255 255 / .55) var(--seek-progress, 0%) 100%); }
+.fullscreen-hud input::-webkit-slider-thumb { appearance: none; width: 9px; height: 9px; margin-top: -3px; border-radius: 50%; background: #fff; box-shadow: 0 1px 4px #000; }
+.fullscreen-hud input:active::-webkit-slider-runnable-track { height: 5px; }
+.fullscreen-hud input::-moz-range-track { height: 3px; border-radius: 2px; background: rgb(255 255 255 / .55); }
+.fullscreen-hud input::-moz-range-progress { height: 3px; background: var(--accent, #fff); }
+.fullscreen-hud input::-moz-range-thumb { width: 9px; height: 9px; border: 0; border-radius: 50%; background: #fff; }
 .player-stage.orientation-fullscreen { background: #000; }
 .player-stage.orientation-overlay {
   position: fixed !important; z-index: 10000 !important; inset: 0 !important;
@@ -49,8 +51,10 @@
 .player-stage.orientation-overlay[data-fullscreen-rotation="-90"] { transform: translate(-50%, -50%) rotate(-90deg) !important; }
 .orientation-fullscreen video {
   flex: none !important; width: 100% !important; height: 100% !important;
-  max-width: none !important; max-height: none !important; object-fit: contain;
+  max-width: none !important; max-height: none !important; object-fit: cover;
 }
+.orientation-fullscreen[data-fullscreen-fit="fit"] video { object-fit: contain; }
+.orientation-fullscreen[data-fullscreen-fit="fill"] video { object-fit: cover; }
 .orientation-fullscreen #stgOverlay { display: none !important; }
 .orientation-overlay[data-fullscreen-rotation="90"] .fullscreen-hud {
   bottom: max(12px, env(safe-area-inset-left)); left: max(12px, env(safe-area-inset-top)); right: max(12px, env(safe-area-inset-bottom));
@@ -59,7 +63,7 @@
   bottom: max(12px, env(safe-area-inset-right)); left: max(12px, env(safe-area-inset-bottom)); right: max(12px, env(safe-area-inset-top));
 }
 @media (max-width: 460px) {
-  .orientation-fullscreen .fullscreen-hud { gap: 2px; padding: 3px; }
+  .orientation-fullscreen .fullscreen-hud { gap: 2px; padding: 4px 2px 2px; }
   .fullscreen-hud button { width: 44px; min-width: 44px; height: 44px; min-height: 44px; }
 }
 /* Raise existing ancestry instead of moving a playing video in WebKit. */