.face-mesh-container{padding:20px;font-family:Inter,-apple-system,BlinkMacSystemFont,sans-serif;max-width:1200px;margin:0 auto;background:linear-gradient(135deg,#667eea,#764ba2);min-height:100vh}.header{text-align:center;margin-bottom:30px;color:#fff}.header h1{font-size:2.5rem;margin-bottom:10px;font-weight:700}.header p{font-size:1.1rem;opacity:.9}.loading-container{text-align:center;padding:60px 20px;color:#fff}.spinner{width:40px;height:40px;border:4px solid rgba(255,255,255,.3);border-top:4px solid white;border-radius:50%;animation:spin 1s linear infinite;margin:0 auto 20px}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.loading-subtitle{font-size:.9rem;opacity:.7;margin-top:10px}.camera-container{position:relative;width:640px;height:480px;margin:0 auto 30px;border-radius:16px;overflow:hidden;box-shadow:0 20px 40px #0000004d;background:#000}.camera-container.hidden{display:none}.webcam-video{display:block;object-fit:cover;width:100%;height:100%}.canvas-overlay{position:absolute;top:0;left:0;width:100%;height:100%;pointer-events:none}.canvas-overlay *{pointer-events:none}.controls-overlay{position:absolute;bottom:20px;left:0;right:0;display:flex;justify-content:center;gap:15px;z-index:10}.control-btn{padding:12px 24px;background:#fffffff2;border:none;border-radius:25px;cursor:pointer;font-weight:600;font-size:14px;transition:all .3s ease;box-shadow:0 4px 15px #0003;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.control-btn:hover{transform:translateY(-2px);box-shadow:0 6px 20px #0000004d;background:#fff}.capture-btn{background:linear-gradient(45deg,#ff6b6b,#ff8e53);color:#fff}.confidence-indicator{position:absolute;top:20px;left:20px;background:#000000b3;padding:8px 12px;border-radius:20px;color:#fff;font-size:12px;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.confidence-bar{height:4px;background:linear-gradient(90deg,#ff6b6b,#4ecdc4);border-radius:2px;margin-bottom:4px;transition:width .3s ease}.model-selection{background:#fff;padding:30px;border-radius:16px;margin:30px 0;box-shadow:0 10px 30px #0000001a}.model-selection h3{text-align:center;margin-bottom:20px;color:#333;font-size:1.5rem}.model-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:15px;max-width:800px;margin:0 auto}.model-card{background:#f8f9fa;border-radius:12px;padding:15px;cursor:pointer;transition:all .3s ease;border:2px solid transparent}.model-card:hover{transform:translateY(-5px);box-shadow:0 10px 25px #0000001a}.model-card.selected{border-color:#667eea;background:#eef2ff}.model-preview{height:80px;display:flex;align-items:center;justify-content:center;margin-bottom:10px}.model-placeholder{font-size:2rem}.model-info{text-align:center}.model-name{font-weight:600;color:#333;margin-bottom:5px}.model-price{font-size:.9rem;color:#667eea;font-weight:600}.instructions{background:#fffffff2;padding:20px;border-radius:12px;margin-top:20px;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.instructions h3{margin-bottom:10px;color:#333}.instructions ul{list-style:none;padding:0}.instructions li{padding:5px 0;color:#666}.instructions li:before{content:"✓ ";color:#4ecdc4;font-weight:700}@media (max-width: 768px){.camera-container{width:100%;height:auto;aspect-ratio:4/3}.model-grid{grid-template-columns:repeat(2,1fr)}.header h1{font-size:2rem}}.fade-in{animation:fadeIn .5s ease-in}@keyframes fadeIn{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}