:root{--bg:#f0f2f5;--card:#fff;--accent:#4f46e5;--accent-light:#ede9fe;--accent-muted:#4f46e51f;--text:#111827;--text-muted:#6b7280;--text-dim:#9ca3af;--border:#e5e7eb;--danger:#ef4444;--success:#10b981;--warning:#f59e0b;--radius:14px;--radius-sm:8px}*{box-sizing:border-box;margin:0;padding:0}html,body{height:100%}body{color:var(--text);background:var(--bg);justify-content:center;align-items:center;min-height:100vh;padding:16px;font-family:Inter,system-ui,Segoe UI,sans-serif;font-size:14px;line-height:1.5;display:flex}.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);width:100%;margin:0 auto;overflow:hidden;box-shadow:0 4px 24px #00000012}.card-sm{flex-direction:column;max-width:560px;min-height:360px;display:flex}.card-sm .card-body{flex-direction:column;flex:1;justify-content:center;display:flex}.card-md{max-width:680px}.card-lg{max-width:1100px}.card-header{border-bottom:1px solid var(--border);padding:20px 24px 16px}.card-header h1{letter-spacing:-.02em;color:var(--text);font-size:18px;font-weight:800}.card-header p{color:var(--text-muted);margin-top:3px;font-size:13px}.card-body{padding:20px 24px}.field{margin-bottom:16px}.field label{letter-spacing:.05em;text-transform:uppercase;color:var(--text-muted);margin-bottom:6px;font-size:12px;font-weight:600;display:block}.field input{width:100%;height:40px;font:inherit;color:var(--text);border:1.5px solid var(--border);border-radius:var(--radius-sm);background:#fff;outline:none;padding:0 12px;font-size:14px;transition:border-color .15s,box-shadow .15s}.field input::placeholder{color:var(--text-dim)}.field input:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-muted)}.progress-bar{margin-bottom:14px}.progress-label{color:var(--text-muted);justify-content:space-between;margin-bottom:6px;font-size:12px;font-weight:500;display:flex}.progress-track{background:var(--border);border-radius:100px;height:5px;overflow:hidden}.progress-fill{background:var(--accent);border-radius:100px;height:100%;transition:width .35s}.dots{flex-wrap:wrap;gap:5px;margin-top:10px;display:flex}.dot{background:var(--bg);border:1.5px solid var(--border);width:22px;height:22px;color:var(--text-dim);border-radius:50%;place-items:center;font-size:10px;font-weight:600;transition:all .15s;display:grid}.dot.done{background:var(--accent);border-color:var(--accent);color:#fff}.dot.now{border-color:var(--accent);color:var(--accent);box-shadow:0 0 0 2px var(--accent-muted)}.question-num{letter-spacing:.07em;text-transform:uppercase;color:var(--accent);margin-bottom:6px;font-size:11px;font-weight:700}.question-text{color:var(--text);margin-bottom:14px;font-size:16px;font-weight:700;line-height:1.35}.options{flex-direction:column;gap:7px;margin-bottom:16px;display:flex}.option{border:1.5px solid var(--border);border-radius:var(--radius-sm);cursor:pointer;background:#fafafa;align-items:center;gap:10px;padding:10px 14px;transition:border-color .15s,background .15s;display:flex}.option:hover{background:var(--accent-light);border-color:var(--accent)}.option input{opacity:0;width:1px;height:1px;position:absolute}.option.selected{background:var(--accent-light);border-color:var(--accent);box-shadow:0 0 0 1px var(--accent)}.bubble{border:1.5px solid var(--border);width:26px;height:26px;color:var(--text-dim);background:#fff;border-radius:50%;flex-shrink:0;place-items:center;font-size:11px;font-weight:700;transition:background .15s,border-color .15s,color .15s;display:grid}.option.selected .bubble{background:var(--accent);border-color:var(--accent);color:#fff}.option-text{color:var(--text-muted);font-size:14px;font-weight:500;line-height:1.3}.option.selected .option-text{color:var(--text);font-weight:600}.actions{justify-content:flex-end;align-items:center;gap:8px;display:flex}.actions.start{justify-content:flex-start}.btn{height:38px;font:inherit;border-radius:var(--radius-sm);cursor:pointer;border:none;align-items:center;padding:0 20px;font-size:13px;font-weight:700;transition:opacity .15s,transform .1s;display:inline-flex}.btn-primary{background:var(--accent);color:#fff}.btn-primary:hover:not(:disabled){opacity:.88}.btn-primary:active:not(:disabled){transform:scale(.98)}.btn-secondary{color:var(--text);border:1.5px solid var(--border);background:#fff;justify-content:center}.btn-secondary:hover:not(:disabled){background:var(--bg)}.btn:focus-visible{outline:3px solid var(--accent);outline-offset:3px}.btn:disabled{opacity:.38;cursor:not-allowed}.error{border-radius:var(--radius-sm);color:#b91c1c;background:#fef2f2;border:1px solid #fecaca;margin-top:12px;padding:10px 14px;font-size:13px;font-weight:500}.results-grid{grid-template-columns:320px 1fr;align-items:start;gap:20px;display:grid}.results-left{flex-direction:column;gap:12px;display:flex}.score-badge{background:var(--accent-light);border-radius:var(--radius-sm);text-align:center;border:1px solid #4f46e533;flex-direction:column;justify-content:center;align-items:center;margin-bottom:24px;padding:28px 20px;animation:.3s cubic-bezier(.175,.885,.32,1.275) both scaleIn;display:flex}@keyframes scaleIn{0%{opacity:0;transform:scale(.9)}to{opacity:1;transform:scale(1)}}.score-number{letter-spacing:-.04em;color:var(--accent);margin-bottom:8px;font-size:56px;font-weight:800;line-height:1}.score-verdict{color:var(--text);font-size:15px;font-weight:700}.score-verdict.perfect{color:var(--success)}.score-verdict.passed{color:var(--accent)}.score-verdict.retry{color:var(--warning)}.score-sub{color:var(--text-muted);margin-top:3px;font-size:12px}.section-title{letter-spacing:.07em;text-transform:uppercase;color:var(--text-dim);margin-bottom:8px;font-size:11px;font-weight:700}.corrections{flex-direction:column;gap:7px;margin-bottom:14px;list-style:none;display:flex}.correction-item{border:1px solid var(--border);border-left:3px solid var(--danger);border-radius:var(--radius-sm);background:#fafafa;padding:10px 14px}.correction-q{color:var(--text);margin-bottom:4px;font-size:13px;font-weight:600}.correction-yours{color:var(--text-dim);margin-bottom:2px;font-size:12px}.correction-yours s{-webkit-text-decoration-color:var(--danger);text-decoration-color:var(--danger)}.correction-right{color:var(--success);font-size:12px;font-weight:600}.all-correct{border-radius:var(--radius-sm);color:var(--success);background:#f0fdf4;border:1px solid #bbf7d0;margin-bottom:14px;padding:10px 14px;font-size:13px;font-weight:600}.divider{background:var(--border);height:1px;margin:14px 0}@media (max-width:680px){.results-grid{grid-template-columns:1fr}.score-badge{text-align:left;flex-direction:row;gap:20px;padding:16px 18px}}@media (max-width:480px){body{align-items:flex-start;padding:12px}.card-header,.card-body{padding-inline:18px}.card-header{padding-block:16px 14px}.card-body{padding-block:16px}}