#playback-controls {
  position: fixed;
  top: max(18px, env(safe-area-inset-top));
  right: max(18px, env(safe-area-inset-right));
  --playback-width: 274px;
  box-sizing: border-box;
  width: 48px;
  min-height: 48px;
  overflow: hidden;
  z-index: 70;
  border: 1px solid #efe5d329;
  border-radius: 14px;
  background: #27261fd9;
  box-shadow:
    0 6px 24px #0002,
    inset 0 1px #fff08;
  color: #efe5d3;
  padding: 0;
  font:
    11px/1.5 system-ui,
    sans-serif;
  backdrop-filter: blur(12px);
  transition:
    width 380ms cubic-bezier(0.22, 1, 0.36, 1),
    border-radius 380ms;
}
#playback-controls.is-expanded {
  width: var(--playback-width);
  border-radius: 24px;
}
.playback-content {
  box-sizing: border-box;
  width: var(--playback-width);
  max-height: 0;
  padding: 0 14px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-6px);
  transition:
    max-height 380ms cubic-bezier(0.22, 1, 0.36, 1),
    padding 380ms,
    opacity 180ms,
    transform 380ms,
    visibility 380ms;
}
.is-expanded .playback-content {
  max-height: 240px;
  padding-block: 12px 10px;
  opacity: 1;
  visibility: visible;
  transform: none;
}
.playback-toggle {
  position: absolute;
  top: 1px;
  right: 1px;
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  padding: 11px;
  border-radius: 12px;
  background: transparent;
  color: #efe5d3;
}
.playback-toggle svg {
  width: 22px;
  height: 22px;
}
.is-expanded .playback-toggle {
  top: 0;
  right: 1px;
}
#playback-controls:not(.is-expanded)[data-status='playing'] .playback-toggle {
  color: #f3dfad;
}
.playback-toggle:focus-visible {
  outline: 2px solid #efe5d3;
  outline-offset: -4px;
}
.playback-title {
  margin: 0 0 8px;
  min-height: 28px;
  line-height: 28px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  letter-spacing: 0.025em;
  color: #efe5d3b8;
  padding-right: 30px;
}
.playback-buttons {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 4px;
}
.playback-buttons button {
  display: grid;
  place-items: center;
  flex: 1;
  min-width: 44px;
  height: 44px;
  border: 0;
  border-radius: 50%;
  background: transparent;
  color: inherit;
  cursor: pointer;
  padding: 10px;
  white-space: nowrap;
  transition:
    background 150ms,
    transform 150ms;
}
.playback-buttons button[hidden] {
  display: none;
}
.playback-buttons svg {
  width: 24px;
  height: 24px;
}
.playback-buttons button[data-transport='play'],
.playback-buttons button[data-transport='pause'] {
  flex: 0 0 44px;
  background: #efe5d3;
  color: #302f26;
}
@media (hover: hover) {
  .playback-buttons button:not(:disabled):hover {
    background: #efe5d32b;
  }
  .playback-buttons button[data-transport='play']:not(:disabled):hover,
  .playback-buttons button[data-transport='pause']:not(:disabled):hover {
    background: #fff6e5;
  }
}
.playback-buttons button:not(:disabled):active {
  transform: scale(0.92);
}
.playback-buttons button:disabled {
  opacity: 0.38;
  cursor: default;
}
.playback-buttons button:focus-visible {
  outline: none;
}
.playback-time {
  display: block;
  margin-top: 6px;
  font-variant-numeric: tabular-nums;
  color: #efe5d399;
}
.playback-time:empty {
  display: none;
}
.playback-error {
  margin: 6px 0 0;
}
.room-loading #playback-controls,
.room-exploded #playback-controls {
  display: none;
}
@media (max-width: 650px) {
  #playback-controls {
    top: max(12px, env(safe-area-inset-top));
    right: 10px;
    --playback-width: 226px;
    font-size: 10px;
  }
  .playback-content {
    padding-inline: 10px;
  }
  .is-expanded .playback-content {
    padding-block: 10px;
  }
  .playback-buttons {
    gap: 2px;
  }
  header {
    left: 18px;
    max-width: calc(100vw - 250px);
  }
  header h1 {
    font-size: clamp(12px, 4vw, 18px);
    letter-spacing: 0.08em;
  }
  header p {
    font-size: 9px;
    letter-spacing: 0.08em;
  }
}
@media (max-width: 360px) {
  #playback-controls {
    --playback-width: 200px;
  }
  .playback-content {
    padding-inline: 6px;
  }
  header {
    left: 12px;
    max-width: calc(100vw - 226px);
  }
}
@media (min-width: 901px) {
  body:has(#panel:not([hidden]):not(.book-mode)) #playback-controls {
    right: calc(min(420px, 35vw) + 44px);
  }
}
@media (prefers-reduced-motion: reduce) {
  #playback-controls,
  .playback-content,
  .playback-buttons button {
    transition: none;
  }
}