:root{--bg:#f1f5f9;--card:#fff;--ink:#0f172a;--muted:#64748b;--brand:#111827;--accent:#facc15;--green:#16a34a;--line:#e2e8f0;}
*{box-sizing:border-box}body{margin:0;font-family:Inter,system-ui,-apple-system,Segoe UI,Arial,sans-serif;background:var(--bg);color:var(--ink)}
.topbar{background:#1f2937;color:#fff;padding:18px 0;box-shadow:0 2px 12px rgba(0,0,0,.12)}.wrap{max-width:980px;margin:0 auto;padding:0 18px}.brand{font-weight:800;font-size:22px}.brand span{color:var(--accent)}
.card{background:var(--card);border-radius:22px;padding:28px;margin:28px 0;box-shadow:0 14px 40px rgba(15,23,42,.08);border:1px solid var(--line)}
h1{font-size:32px;margin:0 0 10px}h2{font-size:24px;margin:0 0 14px}.muted{color:var(--muted);line-height:1.6}.badge{display:inline-flex;align-items:center;gap:8px;background:#111827;color:#fff;border-radius:12px;padding:8px 12px;font-weight:700;font-size:14px}
.question{padding:22px;border:1px solid var(--line);border-radius:18px;background:#fff;margin:18px 0}.qtitle{font-size:18px;font-weight:800;margin-bottom:16px;line-height:1.5}.qtitle p{display:inline;margin:0}.option{display:flex;gap:12px;align-items:flex-start;border:1px solid var(--line);border-radius:14px;padding:13px 14px;margin:10px 0;cursor:pointer;transition:.15s;background:#fafafa}.option:hover{border-color:#94a3b8;background:#fff}.option input{margin-top:4px}.option p{margin:0;line-height:1.45}.actions{display:flex;gap:12px;align-items:center;justify-content:flex-end;margin-top:24px}.btn{background:#111827;color:#fff;border:0;border-radius:14px;padding:14px 22px;font-weight:800;cursor:pointer;text-decoration:none;display:inline-block}.btn:hover{opacity:.92}.btn.secondary{background:#e2e8f0;color:#111827}.alert{padding:14px 16px;border-radius:14px;background:#fef3c7;color:#78350f;margin:16px 0}.progress{height:14px;background:#e5e7eb;border-radius:99px;overflow:hidden}.bar{height:100%;background:#111827;border-radius:99px}.result-row{display:grid;grid-template-columns:260px 1fr 70px;gap:14px;align-items:center;margin:15px 0}.rank-card{display:grid;grid-template-columns:1fr 1fr;gap:16px}.rank-box{border:1px solid var(--line);border-radius:18px;padding:18px;background:#fafafa}.big{font-size:28px;font-weight:900}.small{font-size:13px;color:var(--muted)}
@media(max-width:700px){.rank-card{grid-template-columns:1fr}.result-row{grid-template-columns:1fr}.actions{justify-content:stretch}.btn{width:100%;text-align:center}h1{font-size:26px}.card{padding:20px}}