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

.volume-slider:focus-visible {
  outline: 2px solid var(--ink);
  outline-offset: 2px;
}

.volume-slider {
  --track: rgb(243 236 225 / 0.25);
  width: 0;
  height: 16px;
  margin: 0;
  opacity: 0;
  background: none;
  cursor: pointer;
  appearance: none;
  -webkit-appearance: none;
  transition: width 0.3s ease, margin 0.3s ease, opacity 0.2s;
}

.volume.is-open .volume-slider {
  width: 96px;
  margin: 0 12px 0 4px;
  opacity: 1;
}

.volume-slider::-webkit-slider-runnable-track {
  height: 4px;
  border-radius: 2px;
  background: linear-gradient(to right, var(--ink) var(--fill), var(--track) var(--fill));
}

.volume-slider::-moz-range-track {
  height: 4px;
  border-radius: 2px;
  background: linear-gradient(to right, var(--ink) var(--fill), var(--track) var(--fill));
}

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

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