*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:#f4f6fb;color:#1a1a2e;min-height:100vh}.nav{display:flex;align-items:center;justify-content:space-between;padding:0 2rem;height:60px;background:#1a1a2e;color:#fff;box-shadow:0 2px 8px #00000040}.nav-brand{font-size:1.3rem;font-weight:700;letter-spacing:.5px}.nav-links{display:flex;gap:1.5rem}.nav-links a{color:#a0aec0;text-decoration:none;font-size:.95rem;transition:color .2s}.nav-links a:hover{color:#fff}.main-content{max-width:720px;margin:0 auto;padding:2.5rem 1.5rem}.card{background:#fff;border-radius:12px;padding:2rem;box-shadow:0 2px 16px #00000012}.card h1{font-size:1.5rem;margin-bottom:.4rem}.card p.subtitle{color:#6b7280;margin-bottom:1.8rem;font-size:.95rem}.form-group{display:flex;flex-direction:column;gap:.4rem;margin-bottom:1.2rem}.form-group label{font-size:.875rem;font-weight:600;color:#374151}.form-group input{padding:.65rem .9rem;border:1.5px solid #d1d5db;border-radius:8px;font-size:1rem;outline:none;transition:border-color .2s}.form-group input:focus{border-color:#6366f1}.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;padding:.7rem 1.4rem;border:none;border-radius:8px;font-size:.95rem;font-weight:600;cursor:pointer;transition:opacity .2s,transform .1s}.btn:active{transform:scale(.98)}.btn:disabled{opacity:.55;cursor:not-allowed}.btn-primary{background:#6366f1;color:#fff}.btn-primary:hover:not(:disabled){background:#4f46e5}.btn-secondary{background:#f3f4f6;color:#374151}.btn-secondary:hover:not(:disabled){background:#e5e7eb}.btn-danger{background:#ef4444;color:#fff}.btn-sm{padding:.4rem .85rem;font-size:.85rem}.webcam-wrapper{display:flex;flex-direction:column;align-items:center;gap:1rem;margin:1.2rem 0}.webcam-wrapper video,.webcam-wrapper img{border-radius:10px;max-width:100%;border:2px solid #e5e7eb}.webcam-actions{display:flex;gap:.75rem}.webcam-label{font-size:.875rem;font-weight:600;color:#374151;align-self:flex-start}.gallery-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:1rem;margin-top:1.5rem}.gallery-item{position:relative;border-radius:10px;overflow:hidden;background:#f3f4f6}.gallery-item img{width:100%;aspect-ratio:1;object-fit:cover;display:block}.gallery-item-footer{padding:.5rem;display:flex;justify-content:space-between;align-items:center;background:#fff}.gallery-item-footer span{font-size:.75rem;color:#6b7280}.user-result{display:flex;align-items:center;gap:1rem;padding:1rem 1.2rem;background:#eef2ff;border-radius:10px;margin-bottom:1.5rem}.user-result-info h2{font-size:1.15rem}.user-result-info p{font-size:.875rem;color:#6b7280}.confidence-badge{margin-left:auto;background:#6366f1;color:#fff;border-radius:20px;padding:.25rem .75rem;font-size:.8rem;font-weight:700;white-space:nowrap}.section-title{font-size:1.05rem;font-weight:700;margin-bottom:1rem;color:#374151}.empty-state{text-align:center;color:#9ca3af;padding:2rem 0;font-size:.95rem}.spinner{display:inline-block;width:18px;height:18px;border:2.5px solid rgba(255,255,255,.4);border-top-color:#fff;border-radius:50%;animation:spin .7s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.nav-admin{background:#6366f1;border-radius:6px;padding:.25rem .75rem!important;font-size:.85rem!important}.nav-admin:hover{background:#4f46e5!important;color:#fff!important}.dropzone{border:2px dashed #c7d2fe;border-radius:12px;padding:2.5rem 1.5rem;text-align:center;cursor:pointer;transition:background .2s,border-color .2s;background:#f5f3ff;margin-top:1.5rem}.dropzone:hover,.dropzone.drag-over{background:#ede9fe;border-color:#6366f1}.progress-bar{width:100%;height:8px;background:#e5e7eb;border-radius:99px;overflow:hidden;margin-top:.75rem}.progress-fill{height:100%;background:#6366f1;border-radius:99px;transition:width .3s ease}.upload-summary{display:flex;gap:.75rem;flex-wrap:wrap;margin-top:1rem}.badge{padding:.3rem .85rem;border-radius:20px;font-size:.82rem;font-weight:600}.badge-green{background:#d1fae5;color:#065f46}.badge-yellow{background:#fef3c7;color:#92400e}