:root{--bg:#f6f7f2;--surface:#fff;--border:#dde3d6;--text:#1e2a20;--text-muted:#5b6b5c;--primary:#2f5233;--primary-dark:#203a24;--accent:#b8712f;--true:#3c7a54;--true-bg:#e7f2ea;--false:#a8433d;--false-bg:#f7e9e8;--radius:10px}*{box-sizing:border-box}body,html{padding:0;margin:0}body{background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;line-height:1.5}.page{max-width:640px;margin:0 auto;padding:48px 20px 80px}.eyebrow{text-transform:uppercase;letter-spacing:.08em;font-size:12px;font-weight:600;color:var(--primary);margin:0 0 8px}h1{font-size:28px;font-weight:700;margin:0 0 12px;color:var(--primary-dark)}p.lead{color:var(--text-muted);margin:0 0 32px;font-size:15px}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:24px}.field{margin-bottom:20px}.field label{display:block;font-size:13px;font-weight:600;color:var(--text);margin-bottom:6px}.field input[type=text]{width:100%;padding:10px 12px;border:1px solid var(--border);border-radius:8px;font-size:15px;background:var(--bg)}.lang-toggle{display:flex;gap:8px}.lang-toggle button{flex:1 1;padding:10px;border-radius:8px;border:1px solid var(--border);background:var(--bg);font-size:15px;font-weight:600;color:var(--text-muted);cursor:pointer}.lang-toggle button.active{background:var(--primary);border-color:var(--primary);color:#fff}.btn-primary{width:100%;padding:13px;border-radius:8px;border:none;background:var(--primary);color:#fff;font-size:15px;font-weight:600;cursor:pointer;transition:background .15s ease}.btn-primary:hover:not(:disabled){background:var(--primary-dark)}.btn-primary:disabled{opacity:.5;cursor:not-allowed}.timer-bar{position:-webkit-sticky;position:sticky;top:0;background:var(--bg);padding:12px 0 20px;display:flex;align-items:baseline;justify-content:space-between;border-bottom:1px solid var(--border);margin-bottom:24px}.timer-bar .count{font-size:15px;color:var(--text-muted)}.timer-bar .clock{font-size:22px;font-weight:700;font-feature-settings:"tnum";font-variant-numeric:tabular-nums;color:var(--primary-dark)}.timer-bar .clock.urgent{color:var(--false)}.question{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:18px 20px;margin-bottom:12px}.question .qnum{font-size:12px;font-weight:700;color:var(--text-muted);margin-bottom:6px}.question .qtext{font-size:16px;margin-bottom:14px}.answer-buttons{display:flex;gap:10px}.answer-buttons button{flex:1 1;padding:10px;border-radius:8px;border:1px solid var(--border);background:var(--bg);font-size:14px;font-weight:600;cursor:pointer;color:var(--text)}.answer-buttons button.selected-true{background:var(--true-bg);border-color:var(--true);color:var(--true)}.answer-buttons button.selected-false{background:var(--false-bg);border-color:var(--false);color:var(--false)}.answer-buttons button:disabled{cursor:default}.submit-bar{position:-webkit-sticky;position:sticky;bottom:0;background:linear-gradient(to top,var(--bg) 70%,transparent);padding:20px 0 8px;margin-top:12px}.result-card{text-align:center;padding:40px 24px}.result-score{font-size:48px;font-weight:700;margin:8px 0;font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.result-score.passed{color:var(--true)}.result-score.failed{color:var(--false)}.result-status{font-size:18px;font-weight:600;margin-bottom:24px}.result-status.passed{color:var(--true)}.result-status.failed{color:var(--false)}.error-banner{background:var(--false-bg);border:1px solid var(--false);color:var(--false);border-radius:8px}.error-banner,.success-banner{padding:12px 16px;font-size:14px;margin-bottom:20px}.success-banner{background:var(--true-bg);border:1px solid var(--true);color:var(--true);border-radius:8px}.price-tag{font-size:22px;font-weight:700;color:var(--primary-dark);margin-bottom:16px}