:root{color-scheme:light;--bg:#fdfcfa;--bg-raised:#fff;--bg-subtle:#f8f6f0;--bg-muted:#faf8f4;--bg-zebra:#fdfcf8;--text:#333;--text-body:#555;--text-muted:#888;--text-faint:#aaa;--text-ghost:#ccc;--border:#e8e4d8;--border-light:#eee;--border-subtle:#e0dcd0;--accent:#b08020;--accent-blue:#6898b8;--accent-red:#b04040;--accent-green:#608040;--accent-teal:#4a8a4a;--accent-purple:#804080;--accent-indigo:#6060b0;--accent-brown:#806040;--accent-warn:#c03030;--accent-danger:#d04040;--accent-ok:#2E7D32;--radius:6px;--radius-lg:8px;--radius-pill:999px;--font-serif:"Crimson Text","Georgia",serif;--font-sans:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;--chrome-h:66px;--tap:40px;--map-bg:#f4f0e8;--map-land:#e8e4da;--map-border:#aaa498;--map-neighbor:#c5c0b5;--map-ocean:#a8c4d8;--map-river:#88b8d8;--map-river-label:#6898b8;--map-mountain:#b8a888;--map-mountain-label:#a89870;--map-city:#888;--map-region-label:#444;--map-region-label-sel:#222;--map-wind:#78a8c8;--map-wind-label:#6898b8;--map-submap-bg:#e8eddf;--map-submap-border:#c8c4b0;--map-submap-label:#333}:root[data-theme=dark]{color-scheme:dark;--bg:#151311;--bg-raised:#1d1b18;--bg-subtle:#26221c;--bg-muted:#1f1c18;--bg-zebra:#1a1815;--text:#ebe7df;--text-body:#c8c2b5;--text-muted:#9a948a;--text-faint:#6d6861;--text-ghost:#4a4640;--border:#2e2a24;--border-light:#272420;--border-subtle:#35302a;--accent:#d6a648;--accent-blue:#7eb2d4;--accent-red:#d46868;--accent-green:#84a966;--accent-teal:#6ab86a;--accent-purple:#a670a6;--accent-indigo:#8686d4;--accent-brown:#b08870;--accent-warn:#e87070;--accent-danger:#e07070;--accent-ok:#6fbe6f;--map-bg:#1d1f22;--map-land:#262a2f;--map-border:#555a60;--map-neighbor:#5a5f68;--map-ocean:#6a8ca8;--map-river:#6a95b4;--map-river-label:#7eb2d4;--map-mountain:#8b7a5a;--map-mountain-label:#b8a888;--map-city:#999;--map-region-label:#d4cdbf;--map-region-label-sel:#f0ead8;--map-wind:#8ab3d0;--map-wind-label:#a0c4de;--map-submap-bg:#1f2226;--map-submap-border:#44484d;--map-submap-label:#e0d9c8}:root[data-theme=dark] .topbar{background:#1e1a14;border-bottom-color:#2e2a1e;color:var(--accent)}:root[data-theme=dark] .quiz-card{background:var(--bg-subtle);border-color:var(--border)}:root[data-theme=dark] .quiz-reveal{background:var(--border);color:var(--text-body)}:root[data-theme=dark] .quiz-reveal:hover{background:var(--border-subtle)}:root[data-theme=dark] .tag-red{background:#3a1e1e;color:#d99090;border-color:#4a2828}:root[data-theme=dark] .tag-white{background:#2a2818;color:#d8d080;border-color:#3a3820}:root[data-theme=dark] .tag-red-muted{background:#2a1e1e;color:#9e7a7a;border-color:#3a2a2a}:root[data-theme=dark] .tag-white-muted{background:var(--bg-subtle);color:var(--text-muted);border-color:var(--border)}:root[data-theme=dark] .sub-tag{background:var(--bg-subtle);color:var(--text-body);border-color:var(--border)}:root[data-theme=dark] .callout--gold{--c-bg:#2a2412}:root[data-theme=dark] .callout--red{--c-bg:#2a1616}:root[data-theme=dark] .callout--blue{--c-bg:#181f2e;color:#b5c7e8}:root[data-theme=dark] .flow__takeaway{background:#1d2635;color:#b5c7e8}:root[data-theme=dark] .flow{background:var(--bg-muted)}:root[data-theme=dark] .flow__prelude{background:var(--bg-raised)}:root[data-theme=dark] .exam-header{background:linear-gradient(180deg,#1e1d2e,var(--bg))}:root[data-theme=dark] .exam-option.correct{background:#1a2e1a;color:#a5d4a5;border-color:var(--accent-ok)}:root[data-theme=dark] .exam-option.wrong{background:#2e1a1a;color:#e08080;border-color:var(--accent-warn)}:root[data-theme=dark] .exam-explanation{background:#1d2635;color:#b5c7e8}:root[data-theme=dark] .zbtn{background:var(--bg-raised);color:var(--text-body);border-color:var(--border)}:root[data-theme=dark] .zbtn:hover{background:var(--bg-subtle)}:root[data-theme=dark] .detail-header{background:var(--bg-muted)}:root[data-theme=dark] .progress-card{background:#262012;border-color:var(--border)}:root[data-theme=dark] .back-btn{background:var(--bg-subtle);color:var(--text-body);border-color:var(--border)}:root[data-theme=dark] .back-btn:hover{background:var(--border)}:root[data-theme=dark] .page-header{background:linear-gradient(180deg,var(--bg-subtle),var(--bg))}:root[data-theme=dark] .exam-header{background:linear-gradient(180deg,var(--bg-subtle),var(--bg))}:root[data-theme=dark] .region-preview{background:var(--bg-subtle);color:var(--text-muted);border-color:var(--border)}:root[data-theme=dark] .sub-tag{background:var(--bg-subtle);color:var(--text-body);border-color:var(--border-subtle)}:root[data-theme=dark] .error-btn{background:var(--bg-subtle);color:var(--text-body)}:root[data-theme=dark] .error-btn:hover{background:var(--border)}:root[data-theme=dark] .modal__btn--cancel{background:var(--bg-subtle);color:var(--text-body);border-color:var(--border)}:root[data-theme=dark] .progress-reset:hover{background:var(--bg-subtle);color:var(--text)}:root[data-theme=dark] .exam-size-btn{background:var(--bg-raised);color:var(--text-body);border-color:var(--border)}:root[data-theme=dark] .exam-size-btn.active{background:#1e1e2e;border-color:var(--accent-indigo);color:var(--accent-indigo)}:root[data-theme=dark] .exam-mode-btn{background:var(--bg-raised);color:var(--text);border-color:var(--border)}:root[data-theme=dark] .exam-option:hover{background:var(--bg-subtle);border-color:var(--border-subtle)}:root[data-theme=dark] .exam-option{background:var(--bg-raised);color:var(--text-body);border-color:var(--border)}:root[data-theme=dark] .exam-nav-btn{background:var(--bg-raised);color:var(--text-body);border-color:var(--border)}:root[data-theme=dark] .exam-nav-btn:hover:not(:disabled){background:var(--bg-subtle);border-color:var(--border-subtle)}:root[data-theme=dark] .exam-dot:not(.correct):not(.wrong){background:var(--bg-raised);border-color:var(--border)}:root[data-theme=dark] .exam-topbar{background:var(--bg-raised);border-bottom-color:var(--border)}:root[data-theme=dark] .exam-progress-bar{background:var(--border)}:root[data-theme=dark] .exam-review-item{background:var(--bg-raised);border-color:var(--border)}.theme-toggle{background:none;border:none;cursor:pointer;padding:4px 6px;color:var(--text-muted);font-size:14px;min-width:32px;min-height:32px;display:inline-flex;align-items:center;justify-content:center}.theme-toggle:hover{color:var(--text)}*{box-sizing:border-box;margin:0;padding:0}::-webkit-scrollbar{width:5px}::-webkit-scrollbar-thumb{background:#ddd;border-radius:3px}html,body{background:var(--bg);color:var(--text-body)}button,[role=button]{min-height:var(--tap);min-width:var(--tap);touch-action:manipulation}.chip,button.chip,.region-preview,.tag,.sub-tag,.exam-dot{min-height:0;min-width:0}@keyframes fi{0%{opacity:0;transform:translateY(4px)}to{opacity:1;transform:translateY(0)}}@keyframes sl{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}@keyframes pulseWarn{0%{color:var(--accent-warn)}50%{color:#e85050}to{color:var(--accent-warn)}}.fade-in{animation:fi .3s ease-out}.slide-in{animation:sl .25s ease-out}.section-label{font-size:11px;letter-spacing:3px;color:var(--sl-accent,var(--text-muted));text-transform:uppercase;font-weight:700;margin-bottom:6px;font-family:var(--font-sans)}.section-label--sm{font-size:10px;letter-spacing:2px}.page-title{font-size:clamp(22px,5vw,30px);font-weight:300;color:var(--text);letter-spacing:2px;margin:4px 0}.page-subtitle{font-size:13px;color:var(--text-muted);max-width:480px;margin:0 auto;padding:0 8px;line-height:20px}.page-eyebrow{font-size:11px;letter-spacing:4px;color:var(--accent);font-weight:600;font-family:var(--font-sans)}.body-text{font-size:13px;line-height:21px;color:var(--text-body)}.body-micro{font-size:12px;line-height:18px;color:var(--text-body)}.page-shell{overflow-y:auto;height:calc(100vh - var(--chrome-h));height:calc(100dvh - var(--chrome-h));padding:0 0 calc(30px + env(safe-area-inset-bottom,0px));animation:fi .3s ease-out}.page-header{text-align:center;padding:24px 16px 16px;background:linear-gradient(180deg,var(--hero-bg,#f8f6f0),var(--bg))}.page-header__stats{display:flex;justify-content:center;gap:clamp(12px,4vw,28px);margin-top:14px;flex-wrap:wrap}.page-header__stat-num{font-size:20px;font-weight:300;color:var(--accent)}.page-header__stat-lbl{font-size:10px;letter-spacing:2px;color:var(--text-ghost);font-family:var(--font-sans)}.page-section{padding:16px}.page-section+.page-section{padding-top:4px}.page-loading{display:flex;align-items:center;justify-content:center;min-height:60vh;color:var(--text-muted);font-size:14px}.card-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(155px,1fr));gap:8px}.flex-wrap{display:flex;flex-wrap:wrap;gap:3px}.cc{cursor:pointer;transition:all .2s;border:1px solid var(--border-light);border-radius:8px;background:var(--bg-raised)}.cc:hover{border-color:#ddd;box-shadow:0 4px 12px #0000000f;transform:translateY(-2px)}.quiz-card{padding:10px 12px;margin-bottom:6px;background:var(--bg-subtle);border-radius:var(--radius);border:1px solid var(--border)}.quiz-reveal{background:#e8e4d8;border:none;color:var(--text-body);padding:8px 16px;border-radius:4px;font-size:13px;cursor:pointer;font-family:inherit}.quiz-reveal:hover{background:#ddd8c8}.mc-explain{margin-top:6px;padding:6px 10px;background:#e8f4ff;border-radius:4px;font-size:12px;color:#336;line-height:18px}.mcq-option{padding:10px 12px;border-radius:6px;font-size:13px;cursor:pointer;outline:none;border:1px solid var(--border);background:var(--bg-raised);color:var(--text-body);min-height:40px;display:flex;align-items:center;transition:border-color .15s,background .15s,color .15s}.mcq-option:hover{border-color:var(--text-ghost)}.mcq-option.is-correct{border:2px solid 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0}.info-gold{border-left:3px solid var(--accent);background:#fdfcf4}.info-red{border-left:3px solid var(--accent-danger);background:#fdf6f6}.trap-card{border-left:3px solid var(--accent-danger);padding:8px 14px;margin-bottom:8px;background:#fdf6f6;border-radius:0 6px 6px 0}.takeaway-box{background:var(--bg-subtle);border:1px solid var(--border);border-radius:var(--radius-lg);padding:10px 14px}.takeaway-item{font-size:13px;line-height:20px;color:var(--text-body);padding:4px 0}.takeaway-item:not(:last-child){border-bottom:1px solid var(--border-light)}.takeaway-item__bullet{color:var(--accent);font-weight:700;margin-right:6px}.data-table{border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;font-size:13px;background:var(--bg-raised)}.data-table__header{display:grid;grid-template-columns:var(--cols, repeat(auto-fit, minmax(0,1fr)));background:var(--bg-subtle);color:var(--text-muted);font-family:var(--font-sans);font-weight:700;font-size:11px;letter-spacing:1px;text-transform:uppercase;border-bottom:1px solid var(--border-subtle)}.data-table__header>div{padding:6px 10px}.data-table__row{display:grid;grid-template-columns:var(--cols, repeat(auto-fit, minmax(0,1fr)));border-bottom:1px solid var(--border-light)}.data-table__row:last-child{border-bottom:none}.data-table__row:nth-child(2n){background:var(--bg-zebra)}.data-table__row>div{padding:6px 10px;color:var(--text-body);font-size:13px;line-height:18px}.data-table__row>div:first-child{font-weight:600;color:var(--text)}.data-table__caption{background:var(--bg-subtle);padding:8px 10px;border-bottom:1px solid var(--border-subtle);font-size:12px;color:var(--text)}.data-table__caption b{letter-spacing:1px}.data-table__footer{background:#fdf6f6;padding:6px 10px;border-top:1px solid var(--border-subtle);font-size:12px;color:var(--text-body);line-height:18px}.data-table__footer b{color:var(--accent-warn);font-size:11px;font-family:var(--font-sans);letter-spacing:1px}@media (max-width:639px){.data-table__header{display:none}.data-table__row{grid-template-columns:1fr;padding:6px 2px}.data-table__row>div{padding:3px 10px;border:none}.data-table__row>div[data-label]:before{content:attr(data-label);display:block;font-family:var(--font-sans);font-size:10px;letter-spacing:1.5px;color:var(--text-muted);text-transform:uppercase;font-weight:700;margin-bottom:1px}}.accordion{margin-bottom:8px}.accordion__head{width:100%;display:flex;align-items:center;gap:10px;padding:10px 14px;border:1px solid var(--border);background:var(--bg-raised);border-radius:var(--radius-lg);cursor:pointer;text-align:left;font-family:inherit;transition:all 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var(--border-subtle);background:#faf8f4;flex-shrink:0;position:sticky;top:0;z-index:5}.detail-close{background:#eee;border:none;cursor:pointer;width:36px;height:36px;border-radius:50%;font-size:16px;color:var(--text-muted)}.detail-close:hover{background:#ddd;color:#666}.detail-scroll{padding:14px 18px;overflow-y:auto;flex:1}.zbtn{width:40px;height:40px;display:flex;align-items:center;justify-content:center;background:var(--bg-raised);border:1px solid #ddd;border-radius:var(--radius);font-size:18px;color:var(--text-body);cursor:pointer;font-family:var(--font-sans);box-shadow:0 1px 4px #00000014}.zbtn:hover{background:#f0f0f0;color:var(--text)}.zbtn:active{background:#e8e8e8}.back-btn{background:#f4f2ec;border:1px solid var(--border);color:var(--text-body);padding:8px 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.15s;flex:1;min-width:72px}.exam-size-btn.active{border-color:var(--accent-indigo);color:var(--accent-indigo);background:#f0f0fa}.exam-size-btn:hover{border-color:#8080c0}.exam-mode-row{display:flex;gap:10px;margin-top:6px;flex-wrap:wrap}.exam-mode-btn{padding:14px 20px;border:1px solid #e0e0ee;border-radius:var(--radius-lg);background:var(--bg-raised);cursor:pointer;display:flex;flex-direction:column;align-items:center;gap:4px;flex:1;min-width:130px;font-family:inherit;transition:all .15s}.exam-mode-btn:hover{border-color:#8080c0;box-shadow:0 2px 8px #0000000f}.exam-mode-detail{font-size:11px;color:var(--text-faint)}.exam-topbar{display:flex;justify-content:space-between;align-items:center;padding:10px 16px;background:var(--bg-raised);border-bottom:1px solid var(--border-light);position:sticky;top:0;z-index:10}.exam-progress-text{font-size:13px;color:var(--text-body)}.exam-score-inline{color:var(--text-faint);font-weight:400}.exam-timer{font-size:13px;color:var(--text-body);font-family:var(--font-sans);font-weight:600}.exam-timer.urgent{color:var(--accent-warn);animation:pulseWarn 1s ease-in-out infinite}.exam-progress-bar{height:3px;background:#eee}.exam-progress-fill{height:100%;background:linear-gradient(90deg,var(--accent-indigo),#8080c0);transition:width .3s;border-radius:2px}.exam-question-card{padding:20px 16px;max-width:640px;margin:0 auto}.exam-chapter-label{font-size:10px;letter-spacing:2px;color:var(--text-faint);text-transform:uppercase;font-weight:700;margin-bottom:8px;font-family:var(--font-sans)}.exam-question-text{font-size:15px;line-height:22px;color:var(--text);margin-bottom:14px;white-space:pre-line}.exam-options{display:grid;gap:8px}.exam-option{padding:12px 14px;border-radius:var(--radius);font-size:14px;cursor:pointer;border:1px solid #ddd;background:var(--bg-raised);color:var(--text-body);outline:none;transition:all .15s}.exam-option:hover{border-color:#aaa;background:#f8f8f8}.exam-option.correct{border:2px solid var(--accent-ok);background:#e8f5e8;color:#1b5e20}.exam-option.wrong{border:2px solid var(--accent-warn);background:#fde8e8;color:#b71c1c}.exam-option-letter{font-weight:700;margin-right:4px}.exam-explanation{margin-top:10px;padding:10px 12px;background:#e8f4ff;border-radius:var(--radius);font-size:13px;color:#336;line-height:18px}.exam-nav{display:flex;gap:8px;justify-content:center;padding:12px 16px;flex-wrap:wrap}.exam-nav-btn{padding:10px 20px;border:1px solid #ddd;border-radius:var(--radius);background:var(--bg-raised);cursor:pointer;font-size:13px;font-family:inherit;color:var(--text-body);transition:all .15s;min-height:var(--tap)}.exam-nav-btn:hover:not(:disabled){background:#f0f0f0;border-color:#aaa}.exam-nav-btn:disabled{opacity:.4;cursor:default}.exam-nav-btn.primary{background:var(--accent-indigo);color:#fff;border-color:var(--accent-indigo)}.exam-nav-btn.primary:hover{background:#5050a0}.exam-nav-btn.finish{background:var(--accent-ok);color:#fff;border-color:var(--accent-ok)}.exam-nav-btn.finish:hover{background:#256e29}.exam-dots{display:flex;flex-wrap:wrap;gap:6px;justify-content:center;padding:8px 16px}.exam-dot{width:14px;height:14px;border-radius:50%;border:1.5px solid #ddd;background:var(--bg-raised);cursor:pointer;padding:0;transition:all .15s}.exam-dot.current{border-color:var(--accent-indigo);box-shadow:0 0 0 2px #6060b01f}.exam-dot.correct{background:var(--accent-ok);border-color:var(--accent-ok)}.exam-dot.wrong{background:var(--accent-warn);border-color:var(--accent-warn)}.exam-result-stats{display:flex;gap:12px;justify-content:center;align-items:center;font-size:14px;color:var(--text-muted);margin-top:8px;flex-wrap:wrap}.exam-review-list{padding:12px 16px;max-width:640px;margin:0 auto}.exam-review-item{padding:10px 12px;margin-bottom:6px;border-radius:var(--radius);border:1px solid var(--border-light)}.exam-review-item.correct{border-left:3px solid var(--accent-ok)}.exam-review-item.wrong{border-left:3px solid var(--accent-warn)}.exam-review-header{display:flex;align-items:center;gap:6px;margin-bottom:4px}.exam-review-badge{width:20px;height:20px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:700;color:#fff}.exam-review-badge.correct{background:var(--accent-ok)}.exam-review-badge.wrong{background:var(--accent-warn)}.exam-review-chapter{font-size:11px;color:var(--text-faint);letter-spacing:1px;font-family:var(--font-sans)}.exam-review-q{font-size:13px;color:var(--text);line-height:19px;white-space:pre-line}.exam-review-answer{font-size:12px;color:var(--text-muted);margin-top:4px}.exam-review-explain{font-size:12px;color:var(--text-body);margin-top:3px;line-height:17px}.exam-review-actions{display:flex;gap:10px;justify-content:center;padding:20px 16px;flex-wrap:wrap}.progress-card{border:1px solid var(--border);border-radius:var(--radius-lg);padding:12px 14px;background:#fdfcf4;margin-top:10px}.progress-row{display:flex;justify-content:space-between;align-items:center;padding:4px 0;font-size:13px;color:var(--text-body)}.progress-bar-bg{height:6px;background:var(--border-light);border-radius:3px;flex:1;margin-left:10px;max-width:120px}.progress-bar-fill{height:100%;border-radius:3px;background:linear-gradient(90deg,var(--accent),#d4a44a);transition:width .3s}.progress-reset{background:none;border:1px solid transparent;color:var(--text-faint);font-size:12px;cursor:pointer;padding:6px 10px;font-family:var(--font-sans);border-radius:var(--radius);min-height:32px}.progress-reset:hover{color:var(--text-muted);background:#f4f2ec}.search-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#0006;display:flex;align-items:flex-start;justify-content:center;padding:80px 16px 16px;z-index:1100;animation:fi .1s ease-out}:root[data-theme=dark] .search-backdrop{background:#000000a6}.search-panel{background:var(--bg-raised);width:100%;max-width:520px;border-radius:var(--radius-lg);border:1px solid var(--border);box-shadow:0 20px 50px #00000040;display:flex;flex-direction:column;overflow:hidden;animation:sl .15s ease-out}.search-input-row{display:flex;align-items:center;gap:10px;padding:12px 14px;border-bottom:1px solid var(--border-light)}.search-input{flex:1;font-family:inherit;font-size:15px;background:none;border:none;outline:none;color:var(--text);min-height:28px}.search-input::placeholder{color:var(--text-faint)}.search-hint{font-size:10px;color:var(--text-muted);background:var(--bg-subtle);padding:2px 6px;border-radius:3px;font-family:var(--font-sans);border:1px solid var(--border-light)}.search-results{max-height:60vh;overflow-y:auto;padding:4px 0}.search-empty{padding:14px;color:var(--text-muted);font-size:13px;text-align:center}.search-result{width:100%;display:flex;align-items:center;gap:10px;padding:10px 14px;border:none;background:none;cursor:pointer;font-family:inherit;text-align:left;color:var(--text-body);min-height:40px;font-size:14px}.search-result.is-active{background:var(--bg-subtle);color:var(--text)}.search-result__dot{width:10px;height:10px;border-radius:3px;flex-shrink:0}.search-result__label{flex:1;color:var(--text);font-weight:500}.search-result__hint{color:var(--text-muted);font-size:12px}.search-result__kind{font-size:10px;letter-spacing:1px;text-transform:uppercase;color:var(--text-faint);font-family:var(--font-sans);font-weight:700}.search-footer{display:flex;justify-content:center;gap:14px;padding:8px 12px;border-top:1px solid var(--border-light);font-size:11px;color:var(--text-muted);font-family:var(--font-sans)}.search-footer kbd{background:var(--bg-subtle);border:1px solid var(--border-light);padding:1px 5px;border-radius:3px;margin-right:3px;font-family:var(--font-sans);font-size:10px}.search-open-btn{background:none;border:none;cursor:pointer;color:var(--text-muted);padding:4px 8px;font-family:var(--font-sans);font-size:12px;min-height:32px;border-radius:var(--radius);display:inline-flex;align-items:center;gap:6px}.search-open-btn:hover{color:var(--text);background:var(--bg-subtle)}.search-open-btn kbd{font-size:10px;background:var(--bg-subtle);border:1px solid var(--border-light);padding:1px 5px;border-radius:3px}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000073;display:flex;align-items:center;justify-content:center;padding:16px;z-index:1000;animation:fi .15s ease-out}.modal{background:var(--bg-raised);border-radius:var(--radius-lg);padding:20px;max-width:420px;width:100%;box-shadow:0 10px 40px #0000002e;animation:sl .2s ease-out}.modal__title{font-size:17px;font-weight:600;color:var(--text);margin-bottom:8px}.modal__body{font-size:14px;color:var(--text-body);line-height:20px;margin-bottom:16px}.modal__actions{display:flex;gap:8px;justify-content:flex-end;flex-wrap:wrap}.modal__btn{padding:10px 18px;border-radius:var(--radius);font-size:14px;font-family:inherit;cursor:pointer;min-height:40px}.modal__btn--cancel{background:#f4f2ec;border:1px solid var(--border);color:var(--text-body)}.modal__btn--confirm{background:var(--accent-warn);border:1px solid var(--accent-warn);color:#fff}.modal__btn--confirm:hover{background:#a82828}.region-preview{font-size:10px;color:var(--text-muted);background:#f4f2ec;padding:2px 8px;border-radius:8px;border:1px solid var(--border-light)}.flow{border:1px solid var(--border);border-radius:var(--radius-lg);padding:14px;background:var(--bg-muted)}.flow__title{text-align:center;letter-spacing:2px;text-transform:uppercase;font-size:12px;font-weight:700;color:var(--text);font-family:var(--font-sans);margin-bottom:4px}.flow__subtitle{text-align:center;font-size:12px;color:var(--text-muted);margin-bottom:12px;line-height:18px}.flow__prelude{background:var(--bg-raised);border:1px solid var(--border-light);border-radius:var(--radius);padding:10px 12px;margin-bottom:10px}.flow__prelude-label{font-size:10px;letter-spacing:1.5px;text-transform:uppercase;font-weight:700;color:var(--accent-blue);font-family:var(--font-sans);margin-bottom:4px}.flow__prelude-body{font-size:13px;color:var(--text-body);line-height:19px}.flow__prelude-note{font-size:12px;color:var(--text-faint);font-style:italic;margin-top:4px;line-height:17px}.flow__takeaway{margin-top:12px;padding:10px 14px;background:#e8f0ff;color:#336;border-radius:var(--radius);font-size:12px;line-height:18px;text-align:center}.flow__takeaway b{color:#336}.flow-lane{--lane-c:var(--text-muted);--lane-bg:var(--bg-raised);border:1px solid color-mix(in srgb,var(--lane-c) 30%,var(--border));background:var(--lane-bg);border-radius:var(--radius);padding:10px 12px;margin-bottom:8px}.flow-lane__head{display:flex;align-items:baseline;justify-content:space-between;gap:8px;margin-bottom:6px;flex-wrap:wrap}.flow-lane__name{font-size:13px;font-weight:700;letter-spacing:1.5px;color:var(--lane-c);text-transform:uppercase;font-family:var(--font-sans)}.flow-lane__sub{font-size:12px;color:var(--text-muted);line-height:17px}.flow-lane__rating{font-size:14px;font-weight:700;color:var(--lane-c);white-space:nowrap}.flow-steps{list-style:none;padding:0;margin:0;display:flex;align-items:stretch;gap:6px;flex-wrap:wrap}.flow-steps__sep{align-self:center;color:var(--text-ghost);font-size:14px;flex:0 0 auto}.flow-step{flex:1 1 110px;min-height:40px;display:flex;align-items:center;justify-content:center;text-align:center;padding:8px 10px;border-radius:6px;background:var(--bg-raised);border:1px solid var(--border);font-size:12px;line-height:15px;color:var(--text);font-family:var(--font-sans)}.flow-step--primary{border:1.5px solid var(--lane-c);background:color-mix(in srgb,var(--lane-c) 10%,var(--bg-raised));color:var(--lane-c);font-weight:600}.flow-step--note{border:none;background:transparent;color:var(--text-muted);font-style:italic;font-size:11px;text-align:left;justify-content:flex-start}.flow-lane__note{margin-top:8px;font-size:12px;color:var(--text-muted);font-style:italic;line-height:17px}.flow-split{display:grid;grid-template-columns:1fr 1fr;gap:10px}@media (max-width:639px){.flow-split{grid-template-columns:1fr}.flow-steps{flex-direction:column}.flow-steps__sep{transform:rotate(90deg);text-align:center}.flow-step{flex:1 1 auto;width:100%}}.flow-pathway{--lane-c:var(--text-muted);border:1px solid color-mix(in srgb,var(--lane-c) 30%,var(--border));border-radius:var(--radius);padding:10px 12px;background:color-mix(in srgb,var(--lane-c) 5%,var(--bg-raised))}.flow-pathway__name{font-size:13px;font-weight:700;letter-spacing:1.5px;color:var(--lane-c);text-transform:uppercase;font-family:var(--font-sans);margin-bottom:2px}.flow-pathway__sub{font-size:11px;color:var(--text-muted);margin-bottom:8px;line-height:16px}.flow-pathway__note{margin-top:8px;font-size:12px;color:var(--lane-c);line-height:17px}.flow-styles{display:grid;grid-template-columns:repeat(auto-fit,minmax(90px,1fr));gap:6px;margin-top:6px}.flow-style{border:1px solid var(--lane-c);background:color-mix(in srgb,var(--lane-c) 15%,var(--bg-raised));border-radius:6px;padding:6px 8px;text-align:center;min-height:48px;display:flex;flex-direction:column;justify-content:center}.flow-style__name{font-size:13px;font-weight:700;color:var(--lane-c);font-family:var(--font-sans);letter-spacing:.5px}.flow-style__note{font-size:10px;color:var(--text-muted);margin-top:2px;font-family:var(--font-sans);letter-spacing:.5px}@media (max-width:699px){.cc{min-width:0}.exam-question-card{padding:16px 12px}.exam-option{padding:10px 12px;font-size:13px}.breadcrumb__region{max-width:100px}.topbar{font-size:10px;padding:4px 10px}.topbar__note{display:none}}