:root{--navy:#1b2a4a;--navy-mid:#2a3f6e;--gold:#e8b64c;--bg:#f6f4ef;--text:#22293b;--muted:#7a8199;--card:#fff;--error:#c0392b;--success:#1f8a54;font-family:-apple-system,Segoe UI,Roboto,Helvetica Neue,sans-serif}*{box-sizing:border-box;margin:0;padding:0}body{background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased}.app{min-height:100vh}.topbar{background:var(--navy);color:#fff;z-index:10;justify-content:space-between;align-items:center;padding:12px 16px;display:flex;position:sticky;top:0}.brand{color:#fff;font-size:16px;font-weight:800;text-decoration:none}.nav-link{color:var(--gold);padding:8px;font-size:14px;font-weight:700;text-decoration:none}.page{flex-direction:column;gap:14px;max-width:720px;margin:0 auto;padding:16px 16px 48px;display:flex}h1{color:var(--navy);font-size:22px;font-weight:800}h2{color:var(--navy);font-size:15px;font-weight:700}.hint{color:var(--muted);font-size:14px;line-height:1.5}.back-link{color:var(--navy-mid);padding:4px 0;font-size:14px;font-weight:600;text-decoration:none}.card{background:var(--card);border-radius:14px;flex-direction:column;gap:10px;padding:14px;display:flex;box-shadow:0 1px 4px #1b2a4a14}.week-list{flex-direction:column;gap:10px;list-style:none;display:flex}.week-card{background:var(--card);color:var(--text);border-radius:14px;padding:14px;text-decoration:none;display:block;box-shadow:0 1px 4px #1b2a4a14}.week-card-head{color:var(--navy);justify-content:space-between;align-items:center;gap:8px;display:flex}.exam-tag{color:var(--error);background:#fbeae8;border-radius:8px;padding:3px 8px;font-size:11px;font-weight:700}.week-card-title{margin-top:4px;font-size:14px;line-height:1.4}.week-card-meta{color:var(--muted);flex-wrap:wrap;gap:8px;margin-top:8px;font-size:12px;display:flex}.week-card-badges{color:var(--navy-mid);gap:8px;margin-top:8px;font-size:12px;font-weight:600;display:flex}.score-badge{color:var(--success)}.doc-row{min-height:44px;color:var(--text);border:1px solid #e7e4db;border-radius:10px;justify-content:space-between;align-items:center;gap:8px;padding:12px;text-decoration:none;display:flex}.doc-title{font-size:14px;font-weight:600;line-height:1.4}.read-badge{color:var(--success);white-space:nowrap;font-size:12px;font-weight:700}.doc{background:var(--card);overflow-wrap:break-word;border-radius:14px;padding:16px;font-size:16px;line-height:1.6}.doc h1{color:var(--navy);margin:0 0 12px;font-size:20px}.doc h2{color:var(--navy);margin:18px 0 8px;font-size:17px}.doc h3{color:var(--navy-mid);margin:14px 0 6px;font-size:15px}.doc p{margin:8px 0}.doc ul,.doc ol{margin:8px 0 8px 22px}.doc li{margin:4px 0}.doc table{border-collapse:collapse;max-width:100%;margin:10px 0;font-size:14px;display:block;overflow-x:auto}.doc th,.doc td{text-align:left;white-space:nowrap;border:1px solid #e0ddd4;padding:8px 10px}.doc th{color:var(--navy);background:#f3f1ea}.doc pre{color:#e8ecf4;background:#1e2430;border-radius:10px;margin:10px 0;padding:12px;font-size:13.5px;overflow-x:auto}.doc code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace}.doc p code,.doc li code,.doc td code{color:var(--navy);background:#efede6;border-radius:4px;padding:1px 5px;font-size:.9em}.doc blockquote{border-left:3px solid var(--gold);color:var(--muted);margin:10px 0;padding-left:12px}.doc img{max-width:100%}.dots{flex-wrap:wrap;gap:5px;display:flex}.dot{background:#ddd9ce;border-radius:50%;width:8px;height:8px}.dot.active{background:var(--gold)}.dot.done{background:var(--navy-mid)}.quiz-prompt{font-size:16px;font-weight:600;line-height:1.5}.quiz-code{color:#e8ecf4;background:#1e2430;border-radius:10px;padding:12px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:13.5px;overflow-x:auto}.choices{flex-direction:column;gap:8px;display:flex}.choice-btn{text-align:left;cursor:pointer;width:100%;min-height:44px;color:var(--text);background:#fbfaf7;border:1.5px solid #e0ddd4;border-radius:10px;padding:12px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:14.5px}.choice-btn.correct{border-color:var(--success);background:#e4f5ec;font-weight:700}.choice-btn.wrong{border-color:var(--error);background:#fbeae8}.choice-btn.locked{opacity:.6}.choice-btn:disabled{cursor:default}.feedback{border-top:1px solid #eee;flex-direction:column;gap:8px;padding-top:10px;font-size:14px;line-height:1.5;display:flex}.feedback-head{color:var(--navy);font-weight:800}.source-line{color:var(--muted);font-size:12.5px}.primary-btn{cursor:pointer;background:linear-gradient(135deg, var(--navy), var(--navy-mid));color:#fff;border:none;border-radius:10px;min-height:44px;padding:10px 16px;font-size:15px;font-weight:700}.danger-btn{border:1.5px solid var(--error);min-height:44px;color:var(--error);cursor:pointer;background:0 0;border-radius:10px;font-size:14px;font-weight:700}.result-card{text-align:center;align-items:center}.result-score{color:var(--navy);font-size:40px;font-weight:800}.recap-list{text-align:left;flex-direction:column;gap:6px;width:100%;font-size:13.5px;list-style:none;display:flex}.stats-row{grid-template-columns:repeat(3,1fr);gap:8px;display:grid}.stat{text-align:center;background:#fbfaf7;border-radius:10px;flex-direction:column;gap:4px;padding:10px;display:flex}.stat span{color:var(--muted);font-size:11.5px}.stat strong{color:var(--navy);font-size:17px}.progress-table{border-collapse:collapse;width:100%;font-size:14px}.progress-table th,.progress-table td{text-align:left;border-bottom:1px solid #eee;padding:8px 6px}.progress-table th{color:var(--muted);font-size:12px}