/* ===== AUDIO CONTROL BUTTON ===== */
.audio-control-btn {
  position: fixed;
  bottom: 30px;
  left: 30px;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: rgba(var(--primary-light-rgb), 0.9);
  border: 2px solid rgba(var(--primary-light-rgb), 0.3);
  color: #ffffff;
  font-size: 1.2rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
  z-index: 999;
  box-shadow: 0 4px 15px rgba(var(--primary-light-rgb), 0.3);
}

.theme-dark .audio-control-btn {
  background: rgba(var(--accent-dark-rgb), 0.9);
  border-color: rgba(var(--accent-dark-rgb), 0.3);
  box-shadow: 0 4px 15px rgba(var(--accent-dark-rgb), 0.3);
}

.audio-control-btn:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 20px rgba(var(--primary-light-rgb), 0.4);
}

.theme-dark .audio-control-btn:hover {
  box-shadow: 0 6px 20px rgba(var(--accent-dark-rgb), 0.4);
}

.audio-control-btn.playing {
  background: rgba(var(--primary-light-rgb), 1);
  animation: pulse 2s infinite;
}

.theme-dark .audio-control-btn.playing {
  background: rgba(var(--accent-dark-rgb), 1);
}

.audio-control-btn.paused {
  opacity: 0.7;
}

.audio-control-btn.paused #audioIcon::before {
  content: '\f6a9'; /* fa-volume-mute */
}

@keyframes pulse {
  0%, 100% {
    box-shadow: 0 4px 15px rgba(128, 150, 113, 0.3);
  }
  50% {
    box-shadow: 0 4px 20px rgba(128, 150, 113, 0.5);
  }
}

.theme-dark .audio-control-btn.playing {
  animation: pulseDark 2s infinite;
}

@keyframes pulseDark {
  0%, 100% {
    box-shadow: 0 4px 15px rgba(210, 171, 128, 0.3);
  }
  50% {
    box-shadow: 0 4px 20px rgba(210, 171, 128, 0.5);
  }
}

@media (max-width: 768px) {
  .audio-control-btn {
    bottom: 25px;
    left: 20px;
    width: 45px;
    height: 45px;
    font-size: 1.1rem;
  }
}

@media (max-width: 480px) {
  .audio-control-btn {
    bottom: 20px;
    left: 15px;
    width: 40px;
    height: 40px;
    font-size: 1rem;
  }
}