.volume-control {
  display: flex;
  align-items: center;
  gap: var(--player-spacing-xs);
  position: relative;
}

.volume-slider-container {
  position: relative;
  width: 0;
  height: 4px;
  background-color: var(--player-progress-bg);
  border-radius: var(--player-radius-full);
  overflow: hidden;
  opacity: 0;
  transition: width var(--player-transition-normal) ease,
    opacity var(--player-transition-normal) ease;
}

.volume-slider-container.visible {
  width: 88px;
  opacity: 1;
}

.volume-slider {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  appearance: none;
  background: transparent;
  cursor: pointer;
}

.volume-slider:focus-visible {
  outline: 2px solid var(--player-primary);
  outline-offset: 2px;
  border-radius: var(--player-radius-sm);
}

.volume-slider::-webkit-slider-runnable-track {
  height: 100%;
  background: transparent;
}

.volume-slider::-webkit-slider-thumb {
  appearance: none;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background-color: var(--player-primary);
  border: none;
  margin-top: -4px;
}

.volume-slider::-moz-range-track {
  height: 100%;
  background: transparent;
}

.volume-slider::-moz-range-thumb {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background-color: var(--player-primary);
  border: none;
}

.volume-slider-fill {
  position: absolute;
  inset: 0;
  width: 0;
  background: var(--player-primary);
  border-radius: var(--player-radius-full);
  pointer-events: none;
  transition: width 0.12s ease;
}

@media (max-width: 640px) {
  .volume-slider-container.visible {
    width: 72px;
  }
}