.audiobook-player {
  margin-top: 20px;
  padding: 20px;
  background: var(--color-surface-soft);
  border: 1px solid #303037;
  border-radius: 18px;
}

.audio-engine {
  display: none;
}

.audio-now {
  display: grid;
  gap: 4px;
  margin-bottom: 18px;
}

.audio-kicker {
  color: var(--color-subtle);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .09em;
  text-transform: uppercase;
}

.audio-title {
  color: var(--color-text);
  font-size: 18px;
  font-weight: 700;
  line-height: 1.35;
}

.audio-controls {
  display: grid;
  grid-template-columns: 44px 54px 44px minmax(98px, 1fr);
  align-items: center;
  gap: 10px;
}

.audio-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  color: var(--color-text);
  background: #19191e;
  border: 1px solid #393941;
  border-radius: 50%;
  cursor: pointer;
  transition: background-color var(--transition-fast), border-color var(--transition-fast);
}

.audio-play {
  width: 54px;
  height: 54px;
  color: var(--color-surface-soft);
  background: var(--color-text);
  border-color: var(--color-text);
  font-size: 17px;
}

.audio-button:disabled,
.audio-speed:disabled,
.audio-progress:disabled {
  cursor: default;
  opacity: .35;
}

.audio-speed {
  min-width: 0;
  height: 42px;
  margin-left: auto;
  padding: 0 34px 0 12px;
  color: var(--color-text-soft);
  color-scheme: dark;
  background: #19191e;
  border: 1px solid #393941;
  border-radius: 12px;
  cursor: pointer;
}

.audio-timeline {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr) 42px;
  align-items: center;
  gap: 10px;
  margin-top: 15px;
}

.audio-time {
  color: #85858f;
  font-size: 11px;
  font-variant-numeric: tabular-nums;
}

.audio-time:last-child {
  text-align: right;
}

.audio-progress {
  width: 100%;
  height: 20px;
  margin: 0;
  accent-color: var(--color-text);
  cursor: pointer;
}

.audio-empty {
  margin-top: 16px;
  padding: 13px 14px;
  color: var(--color-muted);
  background: var(--color-surface);
  border: 1px dashed #383840;
  border-radius: 13px;
  font-size: 13px;
  line-height: 1.5;
}

.audio-track-list {
  display: grid;
  gap: 8px;
  margin-top: 16px;
}

.audio-track {
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr);
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 11px 12px;
  color: #c4c4cb;
  text-align: left;
  background: var(--color-surface);
  border: 1px solid #2d2d34;
  border-radius: 12px;
  cursor: pointer;
  transition: background-color var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast);
}

.audio-track.is-active {
  color: var(--color-text);
  background: #1b1b20;
  border-color: #4a4a54;
}

.audio-track-number {
  color: var(--color-subtle);
  font-size: 11px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

@media (hover: hover) and (pointer: fine) {
  .audio-button:not(:disabled):hover,
  .audio-track:hover {
    background: #202026;
    border-color: #555560;
  }

  .audio-play:not(:disabled):hover {
    color: var(--color-surface-soft);
    background: #fff;
  }
}

@media (max-width: 480px) {
  .audiobook-player {
    padding: 16px;
    border-radius: 16px;
  }

  .audio-controls {
    grid-template-columns: 42px 50px 42px minmax(0, 1fr);
    gap: 8px;
  }

  .audio-button {
    width: 42px;
    height: 42px;
  }

  .audio-play {
    width: 50px;
    height: 50px;
  }

  .audio-speed {
    width: 100%;
    padding-right: 26px;
    padding-left: 9px;
    font-size: 12px;
  }

  .audio-timeline {
    grid-template-columns: 38px minmax(0, 1fr) 38px;
    gap: 7px;
  }

  .audio-track {
    padding: 10px;
  }
}

@media (max-width: 360px) {
  .audiobook-player {
    padding: 14px 12px;
  }

  .audio-controls {
    grid-template-columns: 40px 48px 40px minmax(0, 1fr);
    gap: 7px;
  }

  .audio-button {
    width: 40px;
    height: 40px;
  }

  .audio-play {
    width: 48px;
    height: 48px;
  }
}