/* Ambient sound player */
.ambient-toggle {
  position: fixed;
  bottom: 1.5rem;
  left: 1.5rem;
  z-index: 100;
  background: none;
  border: none;
  cursor: pointer;
  width: 24px;
  height: 24px;
  padding: 0;
  opacity: 0.3;
  transition: opacity 0.3s ease;
}

.ambient-toggle:hover {
  opacity: 0.7;
}

.ambient-toggle.playing {
  opacity: 0.6;
}

.ambient-toggle svg {
  width: 20px;
  height: 20px;
  fill: none;
  stroke: var(--text);
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* Hide the sound waves when muted */
.ambient-toggle .sound-wave {
  opacity: 0;
  transition: opacity 0.3s ease;
}

.ambient-toggle.playing .sound-wave {
  opacity: 1;
}