:root{--text:#2b2b33;--muted:#6f6f7a;--bg:#f4f4f7;--card:#fff;--border:#e2e2e8;--accent:#3454d1;--accent-dark:#2743ab;--green:#1e7d43;--red:#c0392b}*{box-sizing:border-box}body{color:var(--text);background:var(--bg);margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;line-height:1.5}.page{max-width:760px;margin:0 auto;padding:24px 16px 64px}.card{background:var(--card);border:1px solid var(--border);border-radius:12px;margin-bottom:16px;padding:24px}h1{margin:4px 0 12px;font-size:1.5rem}h2{margin:0 0 8px;font-size:1.1rem}h3{margin:0;font-size:1rem}.muted{color:var(--muted);font-size:.9rem}button{font:inherit;border:1px solid var(--border);background:var(--card);cursor:pointer;border-radius:8px;padding:10px 20px}button.primary{background:var(--accent);border-color:var(--accent);color:#fff}button.primary:hover:not(:disabled){background:var(--accent-dark)}button:disabled{opacity:.5;cursor:not-allowed}.rules{background:#fff8e6;border:1px solid #f0dda4;border-radius:8px;margin:16px 0;padding:16px}.rules ul{margin:8px 0;padding-left:20px}.accept{cursor:pointer;align-items:flex-start;gap:8px;margin-top:12px;font-weight:600;display:flex}.test-header{z-index:10;background:var(--card);border:1px solid var(--border);border-radius:12px;justify-content:space-between;align-items:center;margin-bottom:16px;padding:12px 20px;display:flex;position:sticky;top:0}.timer{font-variant-numeric:tabular-nums;font-weight:700}.timer-low{color:var(--red)}.question-head{justify-content:space-between;gap:12px;margin-bottom:12px;display:flex}.option{border:1px solid var(--border);cursor:pointer;border-radius:8px;align-items:flex-start;gap:10px;margin-bottom:8px;padding:10px 12px;display:flex}.option:hover{border-color:var(--accent)}.option.static{cursor:default}.option.correct{border-color:var(--green);background:#eef8f1}.option.wrong{border-color:var(--red);background:#fdf0ee}.mark{color:var(--green);margin-left:6px;font-size:.85rem}textarea{width:100%;font:inherit;border:1px solid var(--border);resize:vertical;border-radius:8px;padding:10px 12px}.save-badge{color:var(--muted);white-space:nowrap;font-size:.8rem;font-style:normal}.save-badge.saved{color:var(--green)}.save-badge.error{color:var(--red)}.submit-row{flex-wrap:wrap;align-items:center;gap:12px;display:flex}.score{margin-top:8px;font-size:1.3rem}.score.pending strong{color:var(--muted)}.text-answer{white-space:pre-wrap;background:var(--bg);border-radius:8px;padding:10px 12px}.cover{z-index:1000;background:#fff;justify-content:center;align-items:center;font-size:1.1rem;display:flex;position:fixed;inset:0}.noselect{-webkit-user-select:none;user-select:none}.noselect textarea{-webkit-user-select:text;user-select:text}@media print{body{display:none!important}}