/* ============================================
   VOICE CONTROL SYSTEM STYLES
   ============================================ */

/* Voice Control Container */
.voice-control-container {
  position: fixed;
  bottom: 20px;
  left: 20px;
  z-index: 1000;
  display: flex;
  gap: 10px;
  align-items: flex-start;
}

/* Voice Control Button */
.voice-control-btn {
  background: linear-gradient(135deg, var(--primary-600), var(--primary-700));
  color: white;
  border: none;
  padding: 14px 20px;
  border-radius: 50px;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  box-shadow: 0 4px 15px rgba(59, 130, 246, 0.4);
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: 'Inter', sans-serif;
}

.voice-control-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(59, 130, 246, 0.5);
  background: linear-gradient(135deg, var(--primary-700), var(--primary-800));
}

.voice-control-btn:active {
  transform: translateY(0);
}

/* Listening State */
.voice-control-btn.listening {
  background: linear-gradient(135deg, var(--error-600), var(--error-700));
  box-shadow: 0 4px 15px rgba(239, 68, 68, 0.4);
  animation: pulse 1.5s ease-in-out infinite;
  position: relative;
  overflow: visible;
}

.voice-control-btn.listening:hover {
  background: linear-gradient(135deg, var(--error-700), var(--error-800));
  box-shadow: 0 6px 20px rgba(239, 68, 68, 0.5);
}

/* Wake Word Active State */
.voice-control-btn.wake-word-active {
  background: linear-gradient(135deg, var(--success-600), var(--success-700));
  box-shadow: 0 4px 15px rgba(34, 197, 94, 0.3);
  position: relative;
}

.voice-control-btn.wake-word-active::after {
  content: '';
  position: absolute;
  top: -2px;
  right: -2px;
  width: 10px;
  height: 10px;
  background: #22c55e;
  border-radius: 50%;
  border: 2px solid white;
  animation: pulse-dot 2s ease-in-out infinite;
}

.voice-control-btn.wake-word-active:hover {
  background: linear-gradient(135deg, var(--success-700), var(--success-800));
  box-shadow: 0 6px 20px rgba(34, 197, 94, 0.4);
}

.voice-control-btn i {
  font-size: 1.1rem;
}

/* Listening Wave Animation Inside Button */
.voice-control-btn.listening::before,
.voice-control-btn.listening::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 100%;
  height: 100%;
  border-radius: 50px;
  border: 2px solid rgba(239, 68, 68, 0.6);
  animation: wave-pulse 2s ease-out infinite;
}

.voice-control-btn.listening::after {
  animation-delay: 1s;
}

/* Wave Bars Animation Inside Button */
.listening-wave {
  display: none;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  gap: 3px;
  align-items: center;
  justify-content: center;
  height: 24px;
  z-index: 1;
}

.voice-control-btn.listening .listening-wave {
  display: flex;
}

.listening-wave .wave-bar {
  width: 3px;
  background: white;
  border-radius: 3px;
  animation: wave-height 0.8s ease-in-out infinite;
}

.listening-wave .wave-bar:nth-child(1) {
  height: 8px;
  animation-delay: 0s;
}

.listening-wave .wave-bar:nth-child(2) {
  height: 14px;
  animation-delay: 0.1s;
}

.listening-wave .wave-bar:nth-child(3) {
  height: 20px;
  animation-delay: 0.2s;
}

.listening-wave .wave-bar:nth-child(4) {
  height: 14px;
  animation-delay: 0.3s;
}

.listening-wave .wave-bar:nth-child(5) {
  height: 10px;
  animation-delay: 0.4s;
}

/* Voice Indicator */
.voice-indicator {
  background: rgba(59, 130, 246, 0.1);
  color: var(--primary-700);
  padding: 8px 14px;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 500;
  display: none;
  align-items: center;
  gap: 6px;
  backdrop-filter: blur(10px);
  border: 1px solid rgba(59, 130, 246, 0.2);
}

.voice-indicator.active {
  display: flex;
  animation: slideInLeft 0.3s ease;
}

.voice-indicator.active i {
  color: var(--error-500);
  animation: blink 1s ease-in-out infinite;
}

/* Voice Control Card Overlay */
.voice-overlay {
  position: fixed;
  bottom: 90px;
  left: 20px;
  width: 400px;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-radius: 20px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3), 0 0 0 1px rgba(255, 255, 255, 0.1);
  z-index: 9999;
  display: none;
  animation: slideUpFade 0.3s ease;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.voice-overlay.active {
  display: block;
}

.voice-overlay-content {
  text-align: center;
  color: #1f2937;
  padding: 25px;
  position: relative;
}

.voice-overlay-icon {
  margin-bottom: 20px;
  position: relative;
}

.voice-overlay-icon .microphone-icon {
  font-size: 50px;
  color: #ef4444;
  animation: pulse-icon 1.5s ease-in-out infinite;
  filter: drop-shadow(0 0 15px rgba(239, 68, 68, 0.4));
}

/* Circular Waves Around Microphone */
.voice-overlay-icon::before,
.voice-overlay-icon::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 80px;
  height: 80px;
  border-radius: 50%;
  border: 2px solid rgba(239, 68, 68, 0.3);
  animation: ripple-wave 2.5s ease-out infinite;
}

.voice-overlay-icon::after {
  animation-delay: 1.25s;
}

.voice-overlay-wave {
  display: flex;
  gap: 4px;
  align-items: center;
  justify-content: center;
  height: 40px;
  margin: 15px 0;
}

.voice-overlay-wave .wave-bar {
  width: 4px;
  background: linear-gradient(to top, #ef4444, #dc2626);
  border-radius: 3px;
  animation: wave-height 0.8s ease-in-out infinite;
  box-shadow: 0 0 8px rgba(239, 68, 68, 0.4);
}

.voice-overlay-wave .wave-bar:nth-child(1) {
  height: 12px;
  animation-delay: 0s;
}

.voice-overlay-wave .wave-bar:nth-child(2) {
  height: 20px;
  animation-delay: 0.1s;
}

.voice-overlay-wave .wave-bar:nth-child(3) {
  height: 30px;
  animation-delay: 0.2s;
}

.voice-overlay-wave .wave-bar:nth-child(4) {
  height: 24px;
  animation-delay: 0.3s;
}

.voice-overlay-wave .wave-bar:nth-child(5) {
  height: 18px;
  animation-delay: 0.4s;
}

.voice-overlay-wave .wave-bar:nth-child(6) {
  height: 26px;
  animation-delay: 0.5s;
}

.voice-overlay-wave .wave-bar:nth-child(7) {
  height: 20px;
  animation-delay: 0.6s;
}

.voice-overlay-wave .wave-bar:nth-child(8) {
  height: 14px;
  animation-delay: 0.7s;
}

.voice-overlay-status {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 15px;
  color: #1f2937;
  animation: pulse-text 2s ease-in-out infinite;
}

.voice-overlay-transcript {
  background: rgba(59, 130, 246, 0.08);
  border: 2px solid rgba(59, 130, 246, 0.2);
  border-radius: 12px;
  padding: 20px;
  min-height: 70px;
  margin: 15px 0;
}

.voice-overlay-transcript-label {
  font-size: 11px;
  color: #6b7280;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 10px;
  font-weight: 600;
}

.voice-overlay-transcript-text {
  font-size: 20px;
  font-weight: 600;
  color: #1f2937;
  min-height: 30px;
  line-height: 1.4;
}

.voice-overlay-transcript-text.empty {
  color: #9ca3af;
  font-style: italic;
  font-size: 16px;
  font-weight: 500;
}

.voice-overlay-hint {
  font-size: 12px;
  color: #6b7280;
  margin-top: 12px;
  line-height: 1.5;
}

.voice-overlay-hint strong {
  color: #374151;
  font-weight: 600;
}

.voice-overlay-close {
  position: absolute;
  top: 15px;
  right: 15px;
  background: rgba(239, 68, 68, 0.1);
  border: none;
  color: #ef4444;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  font-size: 16px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
}

.voice-overlay-close:hover {
  background: #ef4444;
  color: white;
  transform: scale(1.1);
}

/* Voice Feedback */
.voice-feedback {
  position: fixed;
  top: 20px;
  right: 20px;
  background: white;
  padding: 16px 20px;
  border-radius: 8px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
  z-index: 10000;
  display: flex;
  align-items: center;
  gap: 12px;
  max-width: 400px;
  animation: slideInRight 0.3s ease;
  border-left: 4px solid var(--primary-500);
}

.voice-feedback-success {
  border-left-color: var(--success-500);
}

.voice-feedback-error {
  border-left-color: var(--error-500);
}

.voice-feedback-warning {
  border-left-color: var(--warning-500);
}

.voice-feedback-info {
  border-left-color: var(--primary-500);
}

.voice-feedback i {
  font-size: 1.2rem;
  flex-shrink: 0;
}

.voice-feedback-success i {
  color: var(--success-600);
}

.voice-feedback-error i {
  color: var(--error-600);
}

.voice-feedback-warning i {
  color: var(--warning-600);
}

.voice-feedback-info i {
  color: var(--primary-600);
}

.voice-feedback span {
  flex: 1;
  font-size: 0.95rem;
  line-height: 1.5;
  color: var(--neutral-700);
}

.voice-feedback-close {
  background: none;
  border: none;
  color: var(--neutral-400);
  cursor: pointer;
  padding: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 4px;
  transition: all 0.2s ease;
  flex-shrink: 0;
}

.voice-feedback-close:hover {
  background: var(--neutral-100);
  color: var(--neutral-700);
}

/* Animations */
@keyframes pulse {
  0%, 100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.05);
  }
}

@keyframes blink {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.3;
  }
}

@keyframes wave-pulse {
  0% {
    transform: translate(-50%, -50%) scale(1);
    opacity: 0.8;
  }
  50% {
    opacity: 0.4;
  }
  100% {
    transform: translate(-50%, -50%) scale(1.8);
    opacity: 0;
  }
}

@keyframes wave-height {
  0%, 100% {
    transform: scaleY(0.5);
  }
  50% {
    transform: scaleY(1);
  }
}

@keyframes pulse-dot {
  0%, 100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.6;
    transform: scale(1.2);
  }
}

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-20px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(100%);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideOutUp {
  from {
    opacity: 1;
    transform: translateY(0);
  }
  to {
    opacity: 0;
    transform: translateY(-20px);
  }
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes slideUpFade {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes pulse-icon {
  0%, 100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.1);
  }
}

@keyframes ripple-wave {
  0% {
    transform: translate(-50%, -50%) scale(0.8);
    opacity: 0.8;
  }
  50% {
    opacity: 0.4;
  }
  100% {
    transform: translate(-50%, -50%) scale(2);
    opacity: 0;
  }
}

@keyframes pulse-text {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.7;
  }
}

/* Mobile Responsive Styles */
@media (max-width: 768px) {
  .voice-control-container {
    bottom: 90px;
    left: 15px;
  }

  .voice-control-btn {
    padding: 12px 16px;
    font-size: 0.85rem;
  }

  .voice-control-btn span {
    display: none;
  }

  .voice-control-btn {
    width: 50px;
    height: 50px;
    padding: 0;
    border-radius: 50%;
    justify-content: center;
  }

  /* Mobile wave animation adjustments */
  .voice-control-btn.listening::before,
  .voice-control-btn.listening::after {
    border-radius: 50%;
  }

  .listening-wave {
    gap: 2px;
    height: 20px;
  }

  .listening-wave .wave-bar {
    width: 2px;
  }

  .listening-wave .wave-bar:nth-child(1) {
    height: 6px;
  }

  .listening-wave .wave-bar:nth-child(2) {
    height: 12px;
  }

  .listening-wave .wave-bar:nth-child(3) {
    height: 16px;
  }

  .listening-wave .wave-bar:nth-child(4) {
    height: 12px;
  }

  .listening-wave .wave-bar:nth-child(5) {
    height: 8px;
  }

  .voice-indicator {
    padding: 6px 12px;
    font-size: 0.8rem;
  }

  .voice-feedback {
    top: 15px;
    right: 15px;
    left: 15px;
    max-width: none;
    padding: 14px 16px;
  }

  /* Mobile adjustments for voice overlay */
  .voice-overlay {
    bottom: 80px;
    left: 10px;
    right: 10px;
    width: auto;
    max-width: 100%;
  }

  .voice-overlay-content {
    padding: 20px;
  }

  .voice-overlay-icon .microphone-icon {
    font-size: 40px;
  }

  .voice-overlay-icon::before,
  .voice-overlay-icon::after {
    width: 70px;
    height: 70px;
  }

  .voice-overlay-wave {
    height: 30px;
    gap: 3px;
  }

  .voice-overlay-wave .wave-bar {
    width: 3px;
  }

  .voice-overlay-wave .wave-bar:nth-child(1) { height: 10px; }
  .voice-overlay-wave .wave-bar:nth-child(2) { height: 16px; }
  .voice-overlay-wave .wave-bar:nth-child(3) { height: 24px; }
  .voice-overlay-wave .wave-bar:nth-child(4) { height: 18px; }
  .voice-overlay-wave .wave-bar:nth-child(5) { height: 14px; }
  .voice-overlay-wave .wave-bar:nth-child(6) { height: 20px; }
  .voice-overlay-wave .wave-bar:nth-child(7) { height: 16px; }
  .voice-overlay-wave .wave-bar:nth-child(8) { height: 12px; }

  .voice-overlay-status {
    font-size: 14px;
  }

  .voice-overlay-transcript {
    padding: 15px;
    min-height: 60px;
  }

  .voice-overlay-transcript-text {
    font-size: 18px;
  }

  .voice-overlay-transcript-text.empty {
    font-size: 14px;
  }

  .voice-overlay-hint {
    font-size: 11px;
  }

  .voice-overlay-close {
    top: 12px;
    right: 12px;
    width: 28px;
    height: 28px;
    font-size: 14px;
  }
}