body{background-color:#3a372e;place-items:center;min-height:100dvh;display:grid}#cd-exam-root,#cd-exam-root *{box-sizing:border-box}#cd-exam-root{--ink:#eae6da;--ink-dim:#a8a296;--ink-faint:#6b6760;--bg:#1b1a17;--bg-raised:#232220;--bg-card:#28261f;--line:#3a372e;--amber:#e8a23a;--amber-bright:#ffb84d;--safety-red:#c4453c;--safety-green:#5a8f6a;--mono:"JetBrains Mono", "SF Mono", "Consolas", monospace;--sans:"Inter", -apple-system, "Segoe UI", sans-serif;font-family:var(--sans);color:var(--ink);background:var(--bg);border:1px solid var(--line);background-image:repeating-linear-gradient(0deg,#ffffff03 0 1px,#0000 1px 3px);border-radius:14px;max-width:800px;min-height:480px;padding:0;position:relative;overflow:hidden}.cd-stripe{background:repeating-linear-gradient(135deg, var(--amber) 0 14px, #1b1a17 14px 28px);opacity:.9;width:100%;height:6px}.cd-shell{padding:28px 30px 32px}@media (width<=560px){.cd-shell{padding:20px 16px 24px}}.cd-eyebrow{font-family:var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--amber);align-items:center;gap:8px;margin-bottom:6px;font-size:11px;display:flex}.cd-eyebrow .dot{background:var(--amber);border-radius:50%;width:6px;height:6px;box-shadow:0 0 0 3px #e8a23a2e}.cd-title{letter-spacing:-.01em;color:var(--ink);margin:0 0 4px;font-size:26px;font-weight:700}.cd-sub{color:var(--ink-dim);margin:0 0 24px;font-size:14px;line-height:1.5}.cd-grid{grid-template-columns:repeat(2,1fr);gap:12px;margin-bottom:18px;display:grid}@media (width<=560px){.cd-grid{grid-template-columns:1fr}}.cd-card{background:var(--bg-card);border:1px solid var(--line);cursor:pointer;text-align:left;border-radius:10px;padding:16px 16px 14px;transition:border-color .15s,transform .1s,background .15s;position:relative;overflow:hidden}.cd-card:hover{border-color:var(--amber);background:#2c2a22}.cd-card:active{transform:scale(.992)}.cd-card:focus-visible{outline:2px solid var(--amber);outline-offset:2px}.cd-card-num{font-family:var(--mono);color:var(--ink-faint);letter-spacing:.08em;font-size:11px}.cd-card-name{color:var(--ink);margin:4px 0 6px;font-size:16px;font-weight:600}.cd-card-desc{color:var(--ink-dim);margin:0;font-size:12.5px;line-height:1.45}.cd-card-meta{font-family:var(--mono);color:var(--amber);gap:10px;margin-top:10px;font-size:11px;display:flex}.cd-best{border-top:1px dashed var(--line);font-family:var(--mono);color:var(--ink-faint);justify-content:space-between;margin-top:8px;padding-top:8px;font-size:11px;display:flex}.cd-best b{color:var(--safety-green)}.cd-foot-note{color:var(--ink-faint);border-top:1px solid var(--line);margin-top:6px;padding-top:14px;font-size:12px;line-height:1.5}.cd-progress-row{justify-content:space-between;align-items:center;gap:14px;margin-bottom:18px;display:flex}.cd-progress-track{background:var(--bg-raised);border:1px solid var(--line);border-radius:4px;flex:1;height:6px;overflow:hidden}.cd-progress-fill{background:linear-gradient(90deg, var(--amber), var(--amber-bright));border-radius:4px;height:100%;transition:width .3s}.cd-progress-text{font-family:var(--mono);color:var(--ink-dim);white-space:nowrap;font-size:12px}.cd-timer{font-family:var(--mono);color:var(--ink-faint);white-space:nowrap;font-size:12px}.cd-qcard{background:var(--bg-card);border:1px solid var(--line);border-radius:10px;margin-bottom:16px;padding:22px 22px 18px}@media (width<=560px){.cd-qcard{padding:16px 14px}}.cd-qtag{font-family:var(--mono);color:var(--amber);letter-spacing:.08em;margin-bottom:10px;font-size:11px}.cd-qtext{color:var(--ink);margin:0 0 18px;font-size:17px;font-weight:600;line-height:1.5}.cd-options{flex-direction:column;gap:9px;display:flex}.cd-opt{border:1px solid var(--line);background:var(--bg-raised);cursor:pointer;text-align:left;color:var(--ink);border-radius:8px;align-items:flex-start;gap:12px;padding:12px 14px;font-size:14.5px;line-height:1.45;transition:border-color .12s,background .12s;display:flex}.cd-opt:hover:not(.cd-locked){border-color:var(--amber)}.cd-opt:focus-visible{outline:2px solid var(--amber);outline-offset:1px}.cd-opt-letter{font-family:var(--mono);color:var(--ink-faint);border:1px solid var(--line);border-radius:5px;flex-shrink:0;justify-content:center;align-items:center;width:22px;height:22px;margin-top:1px;font-size:12px;display:flex}.cd-opt.selected:not(.cd-locked){border-color:var(--amber);background:#2f2a1f}.cd-opt.selected:not(.cd-locked) .cd-opt-letter{border-color:var(--amber);color:var(--amber)}.cd-opt.cd-correct{border-color:var(--safety-green);background:#20302380}.cd-opt.cd-correct .cd-opt-letter{border-color:var(--safety-green);color:var(--safety-green);background:#5a8f6a26}.cd-opt.cd-wrong{border-color:var(--safety-red);background:#32201f}.cd-opt.cd-wrong .cd-opt-letter{border-color:var(--safety-red);color:var(--safety-red);background:#c4453c26}.cd-opt.cd-locked{cursor:default}.cd-opt.cd-locked:hover{border-color:inherit}.cd-explain{background:var(--bg-raised);border:1px solid var(--line);color:var(--ink-dim);border-radius:8px;margin-top:14px;padding:12px 14px;font-size:13px;line-height:1.55}.cd-explain b{color:var(--ink)}.cd-nav-row{justify-content:space-between;align-items:center;gap:10px;display:flex}.cd-btn{font-family:var(--sans);border:1px solid var(--line);background:var(--bg-raised);color:var(--ink);cursor:pointer;border-radius:8px;padding:11px 18px;font-size:14px;font-weight:600;transition:border-color .12s,background .12s,opacity .12s}.cd-btn:hover:not(:disabled){border-color:var(--ink-dim)}.cd-btn:disabled{opacity:.35;cursor:not-allowed}.cd-btn-primary{background:var(--amber);border-color:var(--amber);color:#1b1a17}.cd-btn-primary:hover:not(:disabled){background:var(--amber-bright);border-color:var(--amber-bright)}.cd-btn-ghost{color:var(--ink-faint);background:0 0;border-color:#0000;font-size:13px;font-weight:500}.cd-btn-ghost:hover{color:var(--ink-dim)}.cd-dotmap{flex-wrap:wrap;gap:5px;margin-bottom:16px;display:flex}.cd-dotmap button{border:1px solid var(--line);background:var(--bg-raised);width:24px;height:24px;color:var(--ink-faint);font-family:var(--mono);cursor:pointer;border-radius:5px;justify-content:center;align-items:center;font-size:10px;display:flex}.cd-dotmap button.is-current{border-color:var(--amber);color:var(--amber)}.cd-dotmap button.is-answered{color:var(--ink-dim);background:#2a2c24}.cd-dotmap button.is-correct{border-color:var(--safety-green);color:var(--safety-green);background:#5a8f6a2e}.cd-dotmap button.is-wrong{border-color:var(--safety-red);color:var(--safety-red);background:#c4453c2e}.cd-result-head{text-align:center;border-bottom:1px dashed var(--line);margin-bottom:20px;padding:18px 0 22px}.cd-result-score{font-family:var(--mono);letter-spacing:-.02em;margin:6px 0 4px;font-size:56px;font-weight:700;line-height:1}.cd-result-score.pass{color:var(--safety-green)}.cd-result-score.fail{color:var(--safety-red)}.cd-result-pct{font-family:var(--mono);color:var(--ink-dim);font-size:14px}.cd-result-verdict{font-family:var(--mono);letter-spacing:.1em;text-transform:uppercase;border-radius:20px;margin-top:8px;padding:4px 12px;font-size:12px;display:inline-block}.cd-result-verdict.pass{color:var(--safety-green);background:#5a8f6a26;border:1px solid #5a8f6a66}.cd-result-verdict.fail{color:var(--safety-red);background:#c4453c26;border:1px solid #c4453c66}.cd-breakdown{grid-template-columns:repeat(3,1fr);gap:10px;margin-bottom:20px;display:grid}.cd-bstat{background:var(--bg-card);border:1px solid var(--line);text-align:center;border-radius:8px;padding:12px}.cd-bstat .n{font-family:var(--mono);font-size:20px;font-weight:700}.cd-bstat .l{color:var(--ink-faint);text-transform:uppercase;letter-spacing:.05em;margin-top:2px;font-size:11px}.cd-review-item{border:1px solid var(--line);background:var(--bg-card);border-radius:8px;margin-bottom:10px;padding:14px 16px}.cd-review-q{margin-bottom:8px;font-size:14px;font-weight:600;line-height:1.45}.cd-review-row{margin-bottom:3px;font-size:13px;line-height:1.5}.cd-review-row.wrong-ans{color:var(--safety-red)}.cd-review-row.right-ans{color:var(--safety-green)}.cd-review-explain{color:var(--ink-dim);margin-top:8px;font-size:12.5px;line-height:1.5}.cd-section-label{font-family:var(--mono);letter-spacing:.1em;text-transform:uppercase;color:var(--ink-faint);margin:22px 0 10px;font-size:11px}.cd-empty-review{text-align:center;color:var(--ink-dim);padding:24px 0;font-size:14px}.cd-fade-in{animation:.25s cdFadeIn}@keyframes cdFadeIn{0%{opacity:0;transform:translateY(4px)}to{opacity:1;transform:translateY(0)}}.cd-visually-hidden{clip:rect(0 0 0 0);width:1px;height:1px;position:absolute;overflow:hidden}