:root{--primary:#4f46e5;--primary-hover:#4338ca;--bg-color:#f3f4f6;--card-bg:#fff;--text-main:#1f2937;--text-secondary:#6b7280;--success:#10b981;--error:#ef4444;--radius:12px;--shadow:0 4px 6px -1px #0000001a,0 2px 4px -1px #0000000f}body{-webkit-font-smoothing:antialiased;background-color:#f3f4f6;background-color:var(--bg-color);color:#1f2937;color:var(--text-main);font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;margin:0}#root,body{min-height:100vh}#root,.page-container,body{display:flex;flex-direction:column}.page-container{align-items:center;flex:1 1;padding:40px 20px}.navbar-logo{border-radius:8px;height:40px;width:auto}.footer{color:#6b7280;color:var(--text-secondary);font-size:.8rem;margin-top:auto;opacity:.8;padding:1rem;text-align:center}.navbar{align-items:center;background:#fff;background:var(--card-bg);box-shadow:0 4px 6px -1px #0000001a,0 2px 4px -1px #0000000f;box-shadow:var(--shadow);display:flex;justify-content:space-between;margin-bottom:2rem;padding:1rem 2rem}.navbar-title{font-family:Orbitron,sans-serif;font-size:1.8rem;font-weight:700;letter-spacing:1px;margin:0}.brand-vision{color:#000}.brand-ai{-webkit-text-fill-color:#0000;background:-webkit-linear-gradient(45deg,#3b82f6,#8b5cf6);background-clip:text;-webkit-background-clip:text;color:#3b82f6}.nav-links{display:flex;gap:20px}.nav-link{color:#6b7280;color:var(--text-secondary);font-weight:500;text-decoration:none;transition:color .2s}.nav-link.active,.nav-link:hover{color:#4f46e5;color:var(--primary)}.card{background:#fff;background:var(--card-bg);border-radius:12px;border-radius:var(--radius);box-shadow:0 4px 6px -1px #0000001a,0 2px 4px -1px #0000000f;box-shadow:var(--shadow);max-width:500px;padding:2rem;text-align:center;width:100%}.btn{background-color:#4f46e5;background-color:var(--primary);border:none;border-radius:12px;border-radius:var(--radius);color:#fff;cursor:pointer;display:inline-block;font-size:1rem;font-weight:500;padding:.75rem 1.5rem;text-decoration:none;transition:background-color .2s,transform .1s}.btn:hover{background-color:#4338ca;background-color:var(--primary-hover)}.btn:active{transform:scale(.98)}.btn-secondary{background-color:#e5e7eb;color:#1f2937;color:var(--text-main)}.btn-secondary:hover{background-color:#d1d5db}.input{border:1px solid #d1d5db;border-radius:12px;border-radius:var(--radius);box-sizing:border-box;font-size:1rem;margin-bottom:1rem;padding:.75rem;width:100%}.input:focus{border-color:#4f46e5;border-color:var(--primary);box-shadow:0 0 0 3px #4f46e51a;outline:none}.table-container{background:#fff;background:var(--card-bg);border-radius:12px;border-radius:var(--radius);box-shadow:0 4px 6px -1px #0000001a,0 2px 4px -1px #0000000f;box-shadow:var(--shadow);overflow-x:auto;width:100%}table{border-collapse:collapse;width:100%}td,th{border-bottom:1px solid #e5e7eb;padding:1rem;text-align:left}th{color:#6b7280;color:var(--text-secondary);font-weight:600}th,tr:hover{background-color:#f9fafb}.hamburger{cursor:pointer;display:none}.bar{background-color:#1f2937;background-color:var(--text-main);border-radius:2px;display:block;height:3px;margin:5px auto;transition:all .3s ease-in-out;width:25px}@media (max-width:768px){.navbar{align-items:center;display:flex;flex-direction:row;justify-content:space-between;padding:1rem 2rem;position:relative}.hamburger{display:block;margin-left:auto}.nav-links{background-color:#fff;background-color:var(--card-bg);box-shadow:0 4px 6px -1px #0000001a;display:none;flex-direction:column;left:0;padding:1rem 0;position:absolute;text-align:center;top:100%;width:100%;z-index:50}.nav-links.open{animation:slideDown .3s ease forwards;display:flex}@keyframes slideDown{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}.nav-link{border-bottom:1px solid #f3f4f6;border-radius:0;display:block;margin:0;padding:1rem}.nav-link:last-child{border-bottom:none}.card{padding:1.5rem;width:90%}.page-container{padding:20px 10px}td,th{font-size:.85rem;padding:.75rem .5rem}h1{font-size:1.25rem}.btn,.btn-secondary{box-sizing:border-box;margin-bottom:.5rem;text-align:center;width:100%}h2{font-size:1.1rem}video{border-radius:12px;border-radius:var(--radius);height:auto!important;width:100%!important}.card>div>div{flex-direction:column;width:100%}.navbar{align-items:center;padding:1rem 1.5rem}.navbar-logo{height:32px}.navbar-title{font-size:1.4rem}.page-container{padding:15px 10px}.card{box-sizing:border-box;padding:1.5rem;width:100%}.attendance-card{padding:1rem}.webcam-wrapper{background:#000;border-radius:12px;border-radius:var(--radius);height:auto;margin-top:15px;overflow:hidden;width:100%}.webcam-feed{height:auto!important;object-fit:cover;width:100%!important}.status-text{font-size:1.1rem;margin:10px 0}.loading-container{min-height:150px}}.loading-text{color:#6b7280;color:var(--text-secondary);font-family:Orbitron,sans-serif;font-size:1rem;font-weight:500;letter-spacing:1px}.status-text{margin-top:0;transition:color .3s ease}.status-text.success{color:#10b981;color:var(--success)}.status-text.error{color:#ef4444;color:var(--error)}.spinner-small{animation:spin 1s linear infinite;border:2px solid #ffffff4d;border-radius:50%;border-top-color:#fff;display:inline-block;height:16px;margin-right:8px;width:16px}@keyframes spin{0%{transform:rotate(0deg)}to{transform:rotate(1turn)}}
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