*{box-sizing:border-box}body{margin:0;font-family:Inter,system-ui,Arial,sans-serif;background:#f5f7fb;color:#182033}.topbar{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:16px 5%;background:#111827;color:#fff;position:sticky;top:0;z-index:10}.brand{color:#fff;text-decoration:none;font-weight:800;font-size:1.15rem}.topbar nav{display:flex;gap:14px;flex-wrap:wrap}.topbar nav a{color:#dbeafe;text-decoration:none}.container{width:min(1100px,92%);margin:32px auto}.hero{min-height:65vh;display:grid;place-items:center;text-align:center;background:linear-gradient(135deg,#eef2ff,#fff7ed);border-radius:24px;padding:48px}.hero h1{font-size:clamp(2.4rem,8vw,5rem);margin:.2em 0}.eyebrow{font-weight:800;text-transform:uppercase;letter-spacing:.12em;color:#4f46e5}.actions{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;margin-top:28px}.btn{display:inline-block;padding:12px 18px;border-radius:12px;border:1px solid #cbd5e1;background:#fff;color:#111827;text-decoration:none;font-weight:700;cursor:pointer}.btn.primary{background:#4f46e5;color:#fff;border-color:#4f46e5}.btn.danger{background:#dc2626;color:white;border-color:#dc2626}.btn.ghost{background:transparent}.card{background:#fff;border-radius:18px;padding:22px;box-shadow:0 10px 30px rgba(15,23,42,.07);margin-bottom:20px}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:18px}.stat{font-size:2rem;font-weight:800}.muted{color:#64748b}.form-group{margin-bottom:16px}.form-group label{display:block;font-weight:700;margin-bottom:7px}input,select,textarea{width:100%;padding:11px 12px;border:1px solid #cbd5e1;border-radius:10px;background:#fff;font:inherit}textarea{min-height:110px}.table-wrap{overflow:auto}table{width:100%;border-collapse:collapse;background:#fff}th,td{padding:12px;border-bottom:1px solid #e2e8f0;text-align:left}th{background:#f8fafc}.alert{padding:13px 16px;border-radius:10px;margin-bottom:16px}.alert-success{background:#dcfce7}.alert-danger{background:#fee2e2}.alert-warning{background:#fef3c7}.question-option{display:block;padding:14px;border:1px solid #dbe2ea;border-radius:12px;margin:10px 0;cursor:pointer}.question-option:hover{background:#eef2ff}.timer{font-size:1.4rem;font-weight:800}.rank-1,.rank-2,.rank-3{font-weight:800}.rank-1{font-size:1.12rem}.split{display:flex;justify-content:space-between;gap:16px;align-items:center;flex-wrap:wrap}@media(max-width:700px){.topbar{align-items:flex-start;flex-direction:column}.hero{padding:30px 18px}}