PTT-Live/client/src/components/PTTButton.css

/* PTTButton - Bouton principal Push-To-Talk */

.ptt-container {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-xl);
  gap: var(--spacing-lg);
  position: relative;
}

/* Wrapper bouton + anneau VU-mètre */
.ptt-button-wrapper {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Anneau VU-mètre (SVG) */
.audio-ring {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
  z-index: 0;
}

.ptt-button {
  width: 240px;
  height: 240px;
  border-radius: 50%;
  background: var(--color-ptt-idle);
  color: white;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-md);
  cursor: pointer;
  transition: transform 0.1s ease, box-shadow 0.2s ease, background 0.2s ease;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
  position: relative;
  overflow: hidden;
  z-index: 1; /* Au-dessus de l'anneau */

  /* Mobile touch optimizations */
  touch-action: none;
  -webkit-user-select: none;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
}

.ptt-button::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: radial-gradient(circle at center, rgba(255, 255, 255, 0.1), transparent);
  opacity: 0;
  transition: opacity 0.2s;
}

.ptt-button:active::before {
  opacity: 1;
}

.ptt-button:active {
  transform: scale(0.95);
}

/* État: En train de parler */
.ptt-button.talking {
  background: var(--color-ptt-talking);
  box-shadow: 0 8px 32px rgba(239, 68, 68, 0.5),
              0 0 60px rgba(239, 68, 68, 0.3);
  animation: pulse-talking 1.5s ease-in-out infinite;
}

/* État: Mode lock (continu) */
.ptt-button.locked {
  background: linear-gradient(135deg, #dc2626 0%, #991b1b 100%);
  box-shadow: 0 8px 32px rgba(220, 38, 38, 0.6),
              0 0 80px rgba(220, 38, 38, 0.4);
  animation: pulse-locked 2s ease-in-out infinite;
}

@keyframes pulse-talking {
  0%, 100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.05);
  }
}

@keyframes pulse-locked {
  0%, 100% {
    transform: scale(1);
    box-shadow: 0 8px 32px rgba(220, 38, 38, 0.6),
                0 0 80px rgba(220, 38, 38, 0.4);
  }
  50% {
    transform: scale(1.03);
    box-shadow: 0 8px 40px rgba(220, 38, 38, 0.7),
                0 0 100px rgba(220, 38, 38, 0.5);
  }
}

/* Icône micro */
.ptt-icon {
  width: 64px;
  height: 64px;
  color: white;
}

.ptt-icon svg {
  width: 100%;
  height: 100%;
  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.3));
}

/* Label */
.ptt-label {
  font-size: 1rem;
  font-weight: 600;
  text-align: center;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
  max-width: 180px;
}

/* Hint text */
.ptt-hint {
  color: var(--color-text-secondary);
  font-size: 0.9rem;
  text-align: center;
  max-width: 90%;
  line-height: 1.4;
}

/* Indicateur de drag vers le haut */
.drag-indicator {
  position: absolute;
  top: -60px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  color: #fbbf24;
  font-size: 0.875rem;
  font-weight: 600;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.5);
  pointer-events: none;
  z-index: 10;
  animation: drag-pulse 0.6s ease-in-out infinite;
}

.drag-indicator svg {
  filter: drop-shadow(0 2px 8px rgba(251, 191, 36, 0.6));
}

@keyframes drag-pulse {
  0%, 100% {
    transform: translateX(-50%) translateY(0);
  }
  50% {
    transform: translateX(-50%) translateY(-5px);
  }
}

/* Badge mode lock */
.lock-badge {
  position: absolute;
  top: 20px;
  right: 20px;
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(10px);
  animation: lock-badge-pulse 1s ease-in-out infinite;
  z-index: 2;
}

@keyframes lock-badge-pulse {
  0%, 100% {
    transform: scale(1);
    background: rgba(255, 255, 255, 0.2);
  }
  50% {
    transform: scale(1.1);
    background: rgba(255, 255, 255, 0.3);
  }
}

/* Responsive mobile */
@media (max-width: 640px) {
  .ptt-button {
    width: 200px;
    height: 200px;
  }

  .audio-ring {
    width: 240px;
    height: 240px;
  }

  .ptt-icon {
    width: 56px;
    height: 56px;
  }

  .ptt-label {
    font-size: 0.9rem;
  }
}

/* Mode paysage */
@media (max-height: 500px) and (orientation: landscape) {
  .ptt-container {
    padding: var(--spacing-md);
  }

  .ptt-button {
    width: 160px;
    height: 160px;
  }

  .audio-ring {
    width: 200px;
    height: 200px;
  }

  .ptt-icon {
    width: 48px;
    height: 48px;
  }

  .ptt-label {
    font-size: 0.8rem;
  }

  .ptt-hint {
    font-size: 0.8rem;
  }
}

/* Responsive mobile - badge lock */
@media (max-width: 640px) {
  .lock-badge {
    top: 15px;
    right: 15px;
    width: 36px;
    height: 36px;
  }
}

/* Accessibilité : désactiver effets réduits */
@media (prefers-reduced-motion: reduce) {
  .ptt-button,
  .ptt-button.talking,
  .ptt-button.locked,
  .lock-badge {
    animation: none;
    transition: none;
  }

  .lock-progress {
    transition: none;
  }
}