/* Voice Mic Button — canto inferior ESQUERDO */
.voice-mic-btn {
  position: fixed;
  left: 20px;
  bottom: calc(88px + env(safe-area-inset-bottom, 0px));
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: #0f0f0f;
  border: 1.5px solid rgba(212, 175, 55, 0.55);
  color: #d4af37;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  padding: 0;
  z-index: 8000;
  transition: transform 0.15s ease, box-shadow 0.25s ease, opacity 0.25s ease;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.5);
  font-family: inherit;
}
.voice-mic-btn:hover {
  transform: scale(1.05);
  box-shadow: 0 4px 18px rgba(0, 0, 0, 0.6), 0 0 12px rgba(212, 175, 55, 0.35);
}
.voice-mic-btn:active { transform: scale(0.96); }
.voice-mic-btn--disabled {
  opacity: 0.35;
  cursor: not-allowed;
  pointer-events: none;
  transform: scale(0.94);
}