* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  color: white;
}

#root {
  width: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
}

.app-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
  padding: 20px;
}

/* Avatar Section */
.avatar-section {
  position: relative;
  width: 400px;
  height: 400px;
  border-radius: 24px;
  overflow: hidden;
  background: #0f0f1a;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
}

.avatar-section video,
.avatar-section canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 24px;
}

.avatar-section .idle-video {
  z-index: 5;
}

.avatar-section .stream-video,
.avatar-section .stream-canvas {
  z-index: 10;
  opacity: 0;
  transition: opacity 0.2s;
}

.avatar-section .stream-video.active,
.avatar-section .stream-canvas.active {
  opacity: 1;
}

/* Status Bar */
.status-bar {
  position: absolute;
  top: 12px;
  left: 12px;
  display: flex;
  gap: 8px;
  z-index: 20;
  flex-wrap: wrap;
}

.status-item {
  background: rgba(0, 0, 0, 0.6);
  padding: 4px 8px;
  border-radius: 4px;
  font-size: 11px;
  display: flex;
  align-items: center;
  gap: 4px;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #666;
}

.status-dot.connected {
  background: #4ade80;
}

.status-dot.streaming {
  background: #60a5fa;
  animation: pulse 1s infinite;
}

.status-dot.error {
  background: #f87171;
}

.status-dot.warning {
  background: #fbbf24;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

/* Controls */
.controls {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.record-btn {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  border: none;
  background: linear-gradient(145deg, #ef4444, #dc2626);
  color: white;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  box-shadow: 0 8px 20px rgba(239, 68, 68, 0.4);
  transition: all 0.2s;
}

.record-btn:hover {
  transform: scale(1.05);
}

.record-btn:active,
.record-btn.recording {
  background: linear-gradient(145deg, #dc2626, #b91c1c);
  transform: scale(0.95);
}

.record-btn:disabled {
  background: #666;
  cursor: not-allowed;
  box-shadow: none;
}

/* Response Text */
.response-text {
  text-align: center;
  font-size: 16px;
  color: #94a3b8;
  max-width: 400px;
  min-height: 48px;
}

/* Stats */
.stats {
  display: flex;
  gap: 16px;
  font-size: 13px;
  color: #64748b;
  flex-wrap: wrap;
  justify-content: center;
}

.stats span {
  font-weight: 600;
  color: #94a3b8;
}

/* Mode Badge */
.mode-badge {
  padding: 6px 16px;
  border-radius: 12px;
  font-size: 12px;
  font-weight: 600;
}

.mode-badge.webrtc {
  background: #22c55e;
  color: white;
}

.mode-badge.h264 {
  background: #8b5cf6;
  color: white;
}

.mode-badge.jpeg {
  background: #f59e0b;
  color: white;
}

.mode-badge.detecting {
  background: #64748b;
  color: white;
}

/* Mode Info */
.mode-info {
  font-size: 11px;
  color: #64748b;
  text-align: center;
  max-width: 350px;
}

/* Navigation */
.nav-bar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(0, 0, 0, 0.8);
  padding: 12px 24px;
  display: flex;
  justify-content: center;
  gap: 16px;
  z-index: 100;
}

.nav-link {
  color: #94a3b8;
  text-decoration: none;
  padding: 8px 16px;
  border-radius: 8px;
  font-size: 14px;
  transition: all 0.2s;
}

.nav-link:hover {
  background: rgba(255, 255, 255, 0.1);
  color: white;
}

.nav-link.active {
  background: #8b5cf6;
  color: white;
}

/* Responsive */
@media (max-width: 480px) {
  .avatar-section {
    width: 300px;
    height: 300px;
  }

  .stats {
    gap: 8px;
    font-size: 11px;
  }
}