.audio-toggle {
  display: inline-flex;
  align-items: center;
  background: none;
  border: none;
  padding: 0;
  cursor: pointer;
  color: inherit;
  font: inherit;
}

.audio-icon-slot {
  position: relative;
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

.audio-icon-slot > svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  transition: opacity 200ms ease;
}

.audio-bars path,
.audio-icon-pause path,
.audio-icon-play path {
  stroke: currentColor;
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
  fill: none;
}

.audio-bars path {
  transform-box: fill-box;
  transform-origin: center;
}

.audio-toggle .audio-bars {
  opacity: 1;
}

.audio-bars.is-playing path {
  animation: audio-bar-pulse 1.2s ease-in-out infinite;
}

.audio-bars.is-playing path:nth-child(1) { animation-delay: 0s; }
.audio-bars.is-playing path:nth-child(2) { animation-delay: -0.2s; }
.audio-bars.is-playing path:nth-child(3) { animation-delay: -0.4s; }
.audio-bars.is-playing path:nth-child(4) { animation-delay: -0.6s; }
.audio-bars.is-playing path:nth-child(5) { animation-delay: -0.8s; }
.audio-bars.is-playing path:nth-child(6) { animation-delay: -1.0s; }

@keyframes audio-bar-pulse {
  0%, 100% { transform: scaleY(0.65); }
  50% { transform: scaleY(1); }
}

@media (hover: hover) {
  .audio-toggle:hover .audio-bars,
  .audio-toggle:focus-visible .audio-bars {
    opacity: 0;
  }
  .audio-toggle:hover:not(.is-muted) .audio-icon-pause,
  .audio-toggle:focus-visible:not(.is-muted) .audio-icon-pause {
    opacity: 1;
  }
  .audio-toggle.is-muted:hover .audio-icon-play,
  .audio-toggle.is-muted:focus-visible .audio-icon-play {
    opacity: 1;
  }
}

@media (prefers-reduced-motion: reduce) {
  .audio-bars.is-playing path {
    animation: none;
  }
}