.dock {
  position: absolute;
  z-index: 3;
  left: 50%;
  bottom: var(--space-base);
  width: min(56rem, calc(100% - 2 * var(--space-base)));
  transform: translateX(-50%);
  padding: var(--space-snug) var(--space-base) var(--space-snug);
  border: 1px solid var(--hairline-stage);
  border-radius: var(--radius-lg);
  background: var(--surface-glass);
  backdrop-filter: blur(18px) saturate(1.3);
  box-shadow: var(--shadow-dock);
}

/* ---------- Scrubber ---------- */

.scrubber {
  position: relative;
  display: block;
  width: 100%;
  height: 1.25rem;
  cursor: pointer;
  touch-action: none;
}

.scrubber__track {
  position: absolute;
  inset: 50% 0 auto;
  height: 3px;
  transform: translateY(-50%);
  border-radius: var(--radius-pill);
  background: oklch(96% 0.02 84 / 0.18);
  overflow: hidden;
}

.scrubber__fill {
  height: 100%;
  width: 100%;
  transform-origin: left center;
  transform: scaleX(0);
  border-radius: var(--radius-pill);
  background: linear-gradient(90deg, var(--color-gold-deep), var(--color-gold));
}

.scrubber__thumb {
  position: absolute;
  top: 50%;
  left: 0;
  width: 0.75rem;
  height: 0.75rem;
  margin-left: -0.375rem;
  border-radius: 50%;
  background: var(--color-gold);
  box-shadow: 0 0 0 4px oklch(78% 0.145 78 / 0.2);
  transform: translate3d(0, -50%, 0) scale(0.75);
  transition: transform var(--duration-fast) var(--ease-out-expo);
  pointer-events: none;
}

.scrubber:hover .scrubber__thumb,
.scrubber:focus-visible .scrubber__thumb,
.scrubber[data-scrubbing="true"] .scrubber__thumb {
  transform: translate3d(0, -50%, 0) scale(1);
}

/* ---------- Control row ---------- */

.dock__row {
  display: flex;
  align-items: center;
  gap: var(--space-tight);
  margin-top: var(--space-hair);
}

.dock__group {
  display: flex;
  align-items: center;
  gap: var(--space-hair);
}

.dock__group--end {
  margin-left: auto;
}

.dock__divider {
  width: 1px;
  height: 1.5rem;
  margin-inline: var(--space-hair);
  background: var(--hairline-stage);
}

.control {
  display: grid;
  place-items: center;
  width: 2.25rem;
  height: 2.25rem;
  color: var(--color-stage-ink-soft);
  border-radius: var(--radius-pill);
  transition:
    color var(--duration-fast) var(--ease-soft),
    background-color var(--duration-fast) var(--ease-soft),
    transform var(--duration-fast) var(--ease-out-expo);
}

.control:hover:not(:disabled) {
  color: var(--color-stage-ink);
  background-color: oklch(96% 0.02 84 / 0.12);
}

.control:active:not(:disabled) {
  transform: scale(0.92);
}

.control:disabled {
  opacity: 0.32;
}

.control[aria-pressed="true"] {
  color: var(--color-gold);
  background-color: oklch(78% 0.145 78 / 0.18);
}

.control--play {
  width: 3rem;
  height: 3rem;
  color: var(--color-stage-bottom);
  background: linear-gradient(155deg, var(--color-gold), var(--color-gold-deep));
  box-shadow: 0 4px 16px oklch(78% 0.145 78 / 0.35);
}

.control--play:hover:not(:disabled) {
  color: var(--color-stage-bottom);
  background: linear-gradient(155deg, var(--color-gold), var(--color-gold-deep));
  transform: scale(1.05);
}

.control--play .icon {
  width: 1.5rem;
  height: 1.5rem;
  fill: currentColor;
  stroke: none;
}

.timecode {
  font-family: var(--font-mono);
  font-size: var(--text-micro);
  font-variant-numeric: tabular-nums;
  color: var(--color-stage-ink-soft);
  padding-inline: var(--space-tight);
  white-space: nowrap;
}

.timecode b {
  color: var(--color-stage-ink);
  font-weight: 600;
}

/* ---------- Volume ---------- */

.volume {
  display: flex;
  align-items: center;
}

.volume__slider {
  width: 0;
  opacity: 0;
  margin: 0;
  transition:
    width var(--duration-normal) var(--ease-out-expo),
    opacity var(--duration-fast) var(--ease-soft);
}

.volume:hover .volume__slider,
.volume:focus-within .volume__slider {
  width: 4.5rem;
  opacity: 1;
}

input[type="range"] {
  appearance: none;
  height: 3px;
  border-radius: var(--radius-pill);
  background: oklch(96% 0.02 84 / 0.25);
  cursor: pointer;
}

input[type="range"]::-webkit-slider-thumb {
  appearance: none;
  width: 0.7rem;
  height: 0.7rem;
  border-radius: 50%;
  background: var(--color-gold);
}

input[type="range"]::-moz-range-thumb {
  width: 0.7rem;
  height: 0.7rem;
  border: 0;
  border-radius: 50%;
  background: var(--color-gold);
}

/* ---------- Edge nav arrows ---------- */

.stage-nav {
  position: absolute;
  top: 50%;
  z-index: 3;
  display: grid;
  place-items: center;
  width: 2.75rem;
  height: 2.75rem;
  color: var(--color-stage-ink-soft);
  border: 1px solid var(--hairline-stage);
  border-radius: var(--radius-pill);
  background: var(--surface-glass);
  backdrop-filter: blur(12px);
  transform: translateY(-50%);
  opacity: 0;
  transition:
    opacity var(--duration-normal) var(--ease-soft),
    color var(--duration-fast) var(--ease-soft),
    transform var(--duration-normal) var(--ease-out-expo);
}

.stage:hover .stage-nav,
.stage-nav:focus-visible {
  opacity: 1;
}

.stage-nav:hover:not(:disabled) {
  color: var(--color-stage-ink);
  transform: translateY(-50%) scale(1.08);
}

.stage-nav:disabled {
  opacity: 0;
  pointer-events: none;
}

.stage-nav--prev {
  left: var(--space-base);
}

.stage-nav--next {
  right: var(--space-base);
}

@media (max-width: 60rem) {
  .dock {
    width: calc(100% - 2 * var(--space-tight));
    bottom: var(--space-tight);
    padding-inline: var(--space-snug);
  }

  .stage-nav {
    display: none;
  }

  .timecode {
    padding-inline: var(--space-hair);
  }
}

@media (max-width: 34rem) {
  .dock__hide-sm {
    display: none;
  }

  .dock {
    padding: var(--space-tight) var(--space-tight) 0.35rem;
  }

  .control {
    width: 2rem;
    height: 2rem;
  }

  .control--play {
    width: 2.6rem;
    height: 2.6rem;
  }

  .control--play .icon {
    width: 1.25rem;
    height: 1.25rem;
  }

  .dock__divider {
    display: none;
  }
}

/* Below ~400px only the essentials fit next to the transport controls. */
@media (max-width: 25rem) {
  .dock__hide-xs {
    display: none;
  }

  .dock__group {
    gap: 0;
  }

  .timecode {
    font-size: 0.625rem;
    padding-inline: 0.2rem;
  }
}

@media (max-height: 32rem) and (orientation: landscape) {
  .dock {
    bottom: var(--space-hair);
    padding-block: 0.25rem 0.15rem;
  }

  .scrubber {
    height: 0.9rem;
  }

  .control {
    width: 1.9rem;
    height: 1.9rem;
  }

  .control--play {
    width: 2.4rem;
    height: 2.4rem;
  }
}

@media (hover: none) {
  .stage-nav {
    opacity: 1;
  }
}