:root{--primary: #13AFB5;--dark: #303030;--gold: #C2A900;--yellow: #FDE529;--bg-color: #f4f7f6;--card-bg: #ffffff;--text-color: #303030;--text-muted: #666666;--border-color: #e0e0e0}body{font-family:Inter,sans-serif;background-color:var(--bg-color);color:var(--text-color);margin:0;padding:0;display:flex;flex-direction:column;align-items:center;min-height:100vh}.top-nav{width:100%;background-color:var(--dark);padding:15px 0;box-shadow:0 4px 6px #0000001a;text-align:center;position:relative}.top-nav img{height:40px;vertical-align:middle}.container{width:100%;max-width:800px;padding:30px 20px;box-sizing:border-box}.card{background-color:var(--card-bg);border-radius:12px;padding:30px;margin-bottom:20px;box-shadow:0 4px 15px #0000000d;border-top:4px solid var(--primary)}h1,h2,h3{color:var(--dark);margin-top:0}.header-card h1{font-size:28px;margin-bottom:10px}.header-card p{color:var(--text-muted);line-height:1.6}.form-group{margin-bottom:20px}.form-group label{display:block;font-weight:600;margin-bottom:8px;font-size:14px}.form-control{width:100%;padding:12px;border:1px solid var(--border-color);border-radius:6px;font-size:15px;font-family:Inter,sans-serif;box-sizing:border-box;transition:border-color .3s}.form-control:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px #13afb51a}.question-text{font-size:16px;font-weight:600;margin-bottom:15px;color:var(--dark)}.option{display:block;padding:12px 15px;margin-bottom:10px;border:1px solid var(--border-color);border-radius:6px;cursor:pointer;transition:all .2s}.option:hover{background-color:#f9fbfb;border-color:var(--primary)}.option input{margin-right:12px;accent-color:var(--primary);transform:scale(1.2)}.btn{background-color:var(--primary);color:#fff;border:none;padding:14px 28px;border-radius:6px;font-size:16px;font-weight:600;cursor:pointer;transition:background-color .3s;width:100%}.btn:hover{background-color:#0e8c91}.btn-secondary{background-color:var(--dark)}.btn-secondary:hover{background-color:#1a1a1a}.hidden{display:none!important}.text-center{text-align:center}.timer-info{position:fixed;bottom:20px;right:20px;background:var(--dark);color:#fff;padding:10px 20px;border-radius:30px;font-weight:700;box-shadow:0 4px 10px #0003;z-index:1000}.admin-link{position:absolute;top:20px;right:20px;color:var(--primary);font-size:12px;text-decoration:none;cursor:pointer}.stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:15px;margin-bottom:25px}.stat-card{background:var(--card-bg);padding:20px;border-radius:8px;border-left:4px solid var(--gold);box-shadow:0 2px 8px #0000000d;text-align:center}.stat-card.primary{border-left-color:var(--primary)}.stat-value{font-size:28px;font-weight:700;color:var(--dark);margin-top:10px}.table-responsive{overflow-x:auto}table{width:100%;border-collapse:collapse;margin-top:20px;background:#fff}th,td{padding:12px 15px;text-align:left;border-bottom:1px solid var(--border-color)}th{background-color:var(--dark);color:#fff;font-weight:600}tr:hover{background-color:#f9f9f9}.badge{padding:4px 8px;border-radius:4px;font-size:12px;font-weight:700}.badge-success{background:#d4edda;color:#155724}.badge-warning{background:#fff3cd;color:#856404}.badge-danger{background:#f8d7da;color:#721c24}.dashboard-header{display:flex;justify-content:space-between;align-items:center}.candidate-details{background:#fdfdfd;border:1px solid var(--border-color);padding:20px;border-radius:8px;margin-top:20px}.success-icon{font-size:60px;color:var(--primary);margin-bottom:20px}.locked-quiz{opacity:.4;filter:blur(5px);pointer-events:none;-webkit-user-select:none;user-select:none;transition:all .5s ease;cursor:not-allowed}.unlock-hint{color:var(--gold);background:#fff8e1;padding:10px;border-radius:6px;font-size:14px;font-weight:600;margin-bottom:15px;text-align:center;border:1px solid #ffe082}