:root{--bg:#f5f6f8;--card:#fff;--text:#1c2430;--muted:#64707f;--brand:#1f5eff;--brand-dark:#1747c7;--ok:#138a4b;--warn:#c77700;--bad:#c62828;--border:#dfe3e9}*{box-sizing:border-box}html,body{background:var(--bg);color:var(--text);margin:0;padding:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;line-height:1.5}.container{max-width:760px;margin:0 auto;padding:24px 16px 80px}.container.wide{max-width:1100px}.card{background:var(--card);border:1px solid var(--border);border-radius:14px;padding:24px;box-shadow:0 1px 2px #141e320a}h1{margin:0 0 8px;font-size:1.7rem}h2{margin:0 0 12px;font-size:1.25rem}p{margin:0 0 12px}.muted{color:var(--muted)}.small{font-size:.875rem}label{margin:14px 0 6px;font-weight:600;display:block}input[type=text],input[type=email],input[type=password]{border:1px solid var(--border);border-radius:8px;width:100%;padding:11px 12px;font-size:1rem}input:focus{outline:2px solid var(--brand);outline-offset:1px}button,.btn{background:var(--brand);color:#fff;cursor:pointer;border:0;border-radius:8px;padding:11px 20px;font-size:1rem;font-weight:600;text-decoration:none;display:inline-block}button:hover,.btn:hover{background:var(--brand-dark)}button:disabled{opacity:.5;cursor:not-allowed}button.secondary,.btn.secondary{color:var(--text);background:#eef1f6}button.secondary:hover,.btn.secondary:hover{background:#e2e7ef}button.danger{color:var(--bad);border:1px solid var(--bad);background:#fff;padding:6px 10px;font-size:.8rem}button.danger:hover{background:#fdecec}.error{color:var(--bad);margin-top:10px;font-weight:600}.topics{flex-wrap:wrap;gap:8px;margin:12px 0 18px;display:flex}.chip{color:var(--brand-dark);background:#eaf0ff;border-radius:999px;padding:4px 12px;font-size:.85rem;font-weight:600}.rules{margin:0 0 16px;padding-left:20px}.rules li{margin-bottom:4px}.topbar{z-index:10;background:var(--card);border-bottom:1px solid var(--border);position:sticky;top:0}.topbar-inner{justify-content:space-between;align-items:center;gap:12px;max-width:760px;margin:0 auto;padding:10px 16px;display:flex}.timer{font-variant-numeric:tabular-nums;font-size:1.1rem;font-weight:700}.timer.low{color:var(--bad)}.progress{background:#e8ecf2;height:6px}.progress>div{background:var(--brand);height:100%;transition:width .2s}.qcat{color:var(--brand-dark);text-transform:uppercase;letter-spacing:.04em;font-size:.8rem;font-weight:700}.qtext{margin:8px 0 16px;font-size:1.15rem;font-weight:600}.option{text-align:left;width:100%;color:var(--text);border:2px solid var(--border);background:#fff;border-radius:10px;align-items:flex-start;gap:10px;margin-bottom:10px;padding:12px 14px;font-weight:500;display:flex}.option:hover{background:#f4f7ff;border-color:#b9ccff}.option.selected{border-color:var(--brand);background:#eaf0ff}.option .letter{background:#eef1f6;border-radius:50%;flex:none;justify-content:center;align-items:center;width:26px;height:26px;font-size:.8rem;font-weight:700;display:flex}.option.selected .letter{background:var(--brand);color:#fff}.nav{justify-content:space-between;gap:10px;margin-top:18px;display:flex}.dots{flex-wrap:wrap;gap:6px;margin-top:18px;display:flex}.dot{width:30px;height:30px;color:var(--text);background:#eef1f6;border:2px solid #0000;border-radius:6px;padding:0;font-size:.8rem;font-weight:600}.dot:hover{background:#e2e7ef}.dot.answered{background:#cfe0ff}.dot.current{border-color:var(--brand)}.center{text-align:center}.bigscore{margin:6px 0;font-size:3rem;font-weight:800}table{border-collapse:collapse;width:100%;font-size:.9rem}th,td{text-align:left;border-bottom:1px solid var(--border);vertical-align:top;padding:10px 8px}th{color:var(--muted);text-transform:uppercase;letter-spacing:.04em;cursor:pointer;white-space:nowrap;font-size:.75rem}tr.row:hover{cursor:pointer;background:#f8faff}.badge{white-space:nowrap;border-radius:999px;padding:2px 10px;font-size:.78rem;font-weight:700}.badge.Advanced{color:var(--ok);background:#def5e8}.badge.Intermediate{color:var(--brand-dark);background:#e6efff}.badge.Basic{color:var(--warn);background:#fff1d6}.badge.Needs\ Training{color:var(--bad);background:#fde4e4}.flag{color:var(--bad);font-weight:700}.detail{background:#fafbfd;padding:12px 16px}.detail li{margin-bottom:10px}.toolbar{flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:16px;display:flex}.toolbar input{max-width:260px}.scroll-x{overflow-x:auto}