.ce-root{min-height:100vh;padding-bottom:80px}.ce-hero{background:linear-gradient(135deg,var(--bg-secondary) 0%,var(--bg-primary) 100%);border-bottom:1px solid var(--border);padding:56px 0 40px}.ce-hero-inner{max-width:var(--max-width);margin:0 auto;padding:0 24px}.ce-hero-label{font-family:var(--font-mono);letter-spacing:.12em;color:var(--accent);text-transform:uppercase;margin-bottom:12px;font-size:10px;font-weight:600}.ce-hero-title{font-family:var(--font-headline);color:var(--text-primary);margin:0 0 16px;font-size:clamp(36px,5vw,56px);font-weight:800;line-height:1.05}.ce-hero-desc{font-family:var(--font-body);color:var(--text-secondary);max-width:560px;margin:0;font-size:15px;line-height:1.6}.ce-tab-bar{background:var(--bg-secondary);border-bottom:1px solid var(--border)}.ce-tab-bar-inner{max-width:var(--max-width);gap:0;margin:0 auto;padding:0 24px;display:flex}.ce-tab{font-family:var(--font-body);color:var(--text-muted);cursor:pointer;white-space:nowrap;background:0 0;border:none;border-bottom:2px solid #0000;align-items:center;gap:7px;margin-bottom:-1px;padding:14px 20px;font-size:13px;font-weight:500;transition:color .15s,border-color .15s;display:flex}.ce-tab:hover{color:var(--text-secondary)}.ce-tab.active{color:var(--accent);border-bottom-color:var(--accent)}.ce-body{max-width:var(--max-width);margin:0 auto;padding:32px 24px 0}.ce-search-bar{margin-bottom:16px}.ce-search-input-wrap{align-items:center;display:flex;position:relative}.ce-search-icon{color:var(--text-muted);pointer-events:none;flex-shrink:0;position:absolute;left:14px}.ce-search-input{background:var(--bg-card);border:1px solid var(--border);width:100%;font-family:var(--font-body);color:var(--text-primary);border-radius:8px;outline:none;padding:10px 40px;font-size:14px;transition:border-color .15s}.ce-search-input::placeholder{color:var(--text-muted)}.ce-search-input:focus{border-color:var(--accent)}.ce-search-clear{color:var(--text-muted);cursor:pointer;background:0 0;border:none;padding:2px 4px;font-size:18px;line-height:1;position:absolute;right:12px}.ce-search-clear:hover{color:var(--text-primary)}.ce-filters{flex-direction:column;gap:10px;margin-bottom:20px;display:flex}.ce-filter-group{flex-wrap:wrap;align-items:center;gap:6px;display:flex}.ce-filter-label{font-family:var(--font-mono);letter-spacing:.08em;color:var(--text-muted);text-transform:uppercase;flex-shrink:0;width:62px;font-size:10px;font-weight:600}.ce-filter-chip{font-family:var(--font-body);color:var(--text-muted);background:var(--bg-card);border:1px solid var(--border);cursor:pointer;border-radius:20px;padding:4px 10px;font-size:11px;font-weight:500;transition:color .15s,background .15s,border-color .15s}.ce-filter-chip:hover{color:var(--text-secondary);border-color:var(--border-light)}.ce-filter-chip.active{color:var(--accent);background:var(--accent-glow);border-color:#00c2a066}.ce-az-nav{border-bottom:1px solid var(--border);flex-wrap:wrap;gap:4px;margin-bottom:24px;padding-bottom:16px;display:flex}.ce-az-chip{width:30px;height:30px;font-family:var(--font-mono);color:var(--text-muted);background:var(--bg-card);border:1px solid var(--border);cursor:pointer;border-radius:6px;justify-content:center;align-items:center;font-size:12px;font-weight:700;transition:color .15s,background .15s,border-color .15s;display:flex}.ce-az-chip:hover{color:var(--accent);border-color:#00c2a04d}.ce-az-chip.active{color:var(--accent);background:var(--accent-glow);border-color:#00c2a066}.ce-term-list{flex-direction:column;gap:32px;display:flex}.ce-letter-group{scroll-margin-top:120px}.ce-letter-anchor{font-family:var(--font-headline);color:var(--accent);margin-bottom:10px;font-size:28px;font-weight:800;line-height:1}.ce-term-grid{border:1px solid var(--border);background:var(--bg-card);border-radius:10px;flex-direction:column;gap:0;display:flex;overflow:hidden}.ce-term-row{border:none;border-bottom:1px solid var(--border);cursor:pointer;text-align:left;background:0 0;grid-template-columns:1fr 10px auto 16px;align-items:center;gap:10px;width:100%;padding:12px 16px;transition:background .12s;display:grid}.ce-term-grid .ce-term-row:last-child{border-bottom:none}.ce-term-row:hover{background:var(--bg-card-hover)}.ce-term-name{font-family:var(--font-body);color:var(--text-primary);font-size:14px;font-weight:600;transition:color .12s}.ce-term-row:hover .ce-term-name{color:var(--accent)}.ce-term-level-dot{border-radius:50%;flex-shrink:0;width:8px;height:8px}.ce-term-cat{font-family:var(--font-mono);color:var(--text-muted);font-size:10px}.ce-term-arrow{color:var(--text-muted);flex-shrink:0;transition:transform .12s,color .12s}.ce-term-row:hover .ce-term-arrow{color:var(--accent);transform:translate(2px)}.ce-empty{font-family:var(--font-body);color:var(--text-muted);text-align:center;padding:40px 0;font-size:14px}.ce-popover{z-index:100;pointer-events:all;position:fixed;inset:0}.ce-popover-inner{background:var(--bg-card);border:1px solid var(--border-light);pointer-events:all;border-radius:12px;width:340px;padding:20px;position:absolute;top:50%;right:32px;transform:translateY(-50%);box-shadow:0 20px 60px #00000080}.ce-pop-term{font-family:var(--font-headline);color:var(--text-primary);margin-bottom:10px;font-size:22px;font-weight:800}.ce-pop-badges{flex-wrap:wrap;gap:6px;margin-bottom:12px;display:flex}.ce-pop-def{font-family:var(--font-body);color:var(--text-primary);margin:0 0 10px;font-size:14px;line-height:1.6}.ce-pop-ctx{font-family:var(--font-body);color:var(--text-secondary);margin:0 0 12px;font-size:13px;line-height:1.6}.ce-pop-related{flex-wrap:wrap;align-items:center;gap:6px;margin-bottom:10px;display:flex}.ce-pop-related-label{font-family:var(--font-mono);letter-spacing:.08em;color:var(--text-muted);text-transform:uppercase;margin-right:2px;font-size:10px;font-weight:600}.ce-pop-example{font-family:var(--font-mono);color:var(--text-muted);background:var(--bg-surface);border-radius:6px;padding:8px 10px;font-size:11px}.ce-related-pill{font-family:var(--font-body);color:var(--text-secondary);background:var(--bg-surface);border:1px solid var(--border);border-radius:12px;padding:3px 9px;font-size:11px}.ce-sheet-overlay{z-index:200;background:#0009;align-items:flex-end;display:flex;position:fixed;inset:0}.ce-sheet{background:var(--bg-card);border-radius:16px 16px 0 0;width:100%;max-height:80vh;padding:20px 20px 40px;overflow-y:auto}.ce-sheet-header{justify-content:space-between;align-items:center;margin-bottom:14px;display:flex}.ce-sheet-term{font-family:var(--font-headline);color:var(--text-primary);font-size:22px;font-weight:800}.ce-sheet-close{color:var(--text-muted);cursor:pointer;background:0 0;border:none;padding:4px}.ce-sheet-close:hover{color:var(--text-primary)}.ce-badge{font-family:var(--font-mono);letter-spacing:.06em;border-radius:4px;padding:2px 8px;font-size:10px;font-weight:600}.ce-badge-cat{background:var(--bg-surface);color:var(--text-muted);border:1px solid var(--border)!important}.ce-level-select{padding:8px 0 40px}.ce-level-select-title{font-family:var(--font-headline);color:var(--text-primary);margin-bottom:8px;font-size:28px;font-weight:800}.ce-level-select-sub{font-family:var(--font-body);color:var(--text-secondary);margin-bottom:28px;font-size:14px;line-height:1.6}.ce-level-grid{grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:18px;display:grid}.ce-level-card{background:var(--bg-card);border:1px solid var(--border);cursor:pointer;text-align:left;border-radius:14px;flex-direction:column;gap:6px;padding:28px 24px;transition:background .15s,border-color .15s,transform .15s;display:flex}.ce-level-card:hover{background:var(--bg-card-hover);border-color:var(--level-border,var(--border-light));transform:translateY(-2px)}.ce-level-card-num{font-family:var(--font-mono);margin-bottom:6px;font-size:14px;font-weight:600}.ce-level-card-label{font-family:var(--font-headline);color:var(--text-primary);font-size:22px;font-weight:600;line-height:1.2}.ce-level-card-sub{font-family:var(--font-mono);color:var(--text-muted);text-transform:uppercase;letter-spacing:.08em;font-size:11px}.ce-level-card-count{font-family:var(--font-body);color:var(--text-secondary);margin-top:8px;font-size:14px}.ce-level-card-cta{font-family:var(--font-body);margin-top:10px;font-size:15px;font-weight:600}.ce-quiz{padding:8px 0 40px}.ce-quiz-header{flex-wrap:wrap;align-items:center;gap:14px;margin-bottom:20px;display:flex}.ce-quiz-back{font-family:var(--font-body);color:var(--text-muted);cursor:pointer;background:0 0;border:none;align-items:center;gap:6px;padding:0;font-size:13px;transition:color .12s;display:flex}.ce-quiz-back:hover{color:var(--accent)}.ce-quiz-level-badge{font-family:var(--font-mono);letter-spacing:.06em;border-radius:6px;padding:4px 10px;font-size:11px;font-weight:600}.ce-quiz-score-info{font-family:var(--font-mono);color:var(--text-muted);margin-left:auto;font-size:12px}.ce-quiz-progress-bar{background:var(--border);border-radius:2px;height:4px;margin-bottom:6px;overflow:hidden}.ce-quiz-progress-fill{border-radius:2px;height:100%;transition:width .3s}.ce-quiz-progress-label{font-family:var(--font-mono);color:var(--text-muted);margin-bottom:20px;font-size:11px}.ce-quiz-card{background:var(--bg-card);border:1px solid var(--border);border-radius:14px;flex-direction:column;gap:20px;padding:28px;display:flex}.ce-quiz-term{font-family:var(--font-headline);color:var(--accent);font-size:28px;font-weight:800;line-height:1}.ce-quiz-question{font-family:var(--font-body);color:var(--text-secondary);font-size:15px;line-height:1.6}.ce-quiz-options{flex-direction:column;gap:10px;display:flex}.ce-quiz-option{background:var(--bg-surface);border:1px solid var(--border);cursor:pointer;text-align:left;font-family:var(--font-body);border-radius:10px;align-items:flex-start;gap:12px;padding:14px 16px;transition:background .12s,border-color .12s;display:flex}.ce-quiz-option:not(:disabled):hover{background:var(--bg-card-hover);border-color:var(--border-light)}.ce-quiz-option:disabled{cursor:default}.ce-quiz-option.correct{background:#00c2a01a;border-color:#00c2a080}.ce-quiz-option.wrong{background:#ef444414;border-color:#ef444459}.ce-quiz-option.dimmed{opacity:.45}.ce-quiz-opt-key{font-family:var(--font-mono);color:var(--text-muted);flex-shrink:0;padding-top:1px;font-size:12px;font-weight:700}.ce-quiz-option.correct .ce-quiz-opt-key{color:#00c2a0}.ce-quiz-option.wrong .ce-quiz-opt-key{color:#ef4444}.ce-quiz-opt-text{color:var(--text-primary);font-size:14px;line-height:1.5}.ce-quiz-feedback{border:1px solid var(--border);border-radius:10px;overflow:hidden}.ce-quiz-feedback--correct{border-color:#00c2a066}.ce-quiz-feedback--wrong{border-color:#ef444459}.ce-quiz-feedback-head{font-family:var(--font-body);color:var(--text-primary);align-items:flex-start;gap:8px;padding:14px 16px;font-size:14px;line-height:1.5;display:flex}.ce-quiz-feedback--correct .ce-quiz-feedback-head{background:#00c2a014}.ce-quiz-feedback--wrong .ce-quiz-feedback-head{background:#ef444412}.ce-fb-icon{flex-shrink:0;font-size:16px;line-height:1.4}.ce-quiz-feedback--correct .ce-fb-icon{color:#00c2a0}.ce-quiz-feedback--wrong .ce-fb-icon{color:#ef4444}.ce-quiz-feedback-body{background:var(--bg-surface);flex-direction:column;gap:12px;padding:14px 16px;display:flex}.ce-fb-section{flex-direction:column;gap:6px;display:flex}.ce-fb-label{font-family:var(--font-mono);letter-spacing:.08em;color:var(--text-muted);text-transform:uppercase;font-size:10px;font-weight:600}.ce-fb-text{font-family:var(--font-body);color:var(--text-secondary);margin:0;font-size:13px;line-height:1.6}.ce-fb-pills{flex-wrap:wrap;gap:6px;display:flex}.ce-quiz-next{font-family:var(--font-body);color:#fff;cursor:pointer;border:none;border-radius:8px;align-self:flex-start;margin:14px 16px 16px;padding:10px 20px;font-size:13px;font-weight:600;transition:opacity .12s;display:block}.ce-quiz-next:hover{opacity:.85}.ce-summary{text-align:center;flex-direction:column;align-items:center;padding:8px 0 40px;display:flex}.ce-summary-badge{font-family:var(--font-mono);letter-spacing:.06em;border-radius:6px;margin-bottom:24px;padding:4px 12px;font-size:11px;font-weight:600}.ce-summary-score{font-family:var(--font-headline);color:var(--text-primary);margin-bottom:4px;font-size:72px;font-weight:800;line-height:1}.ce-summary-total{color:var(--text-muted);font-size:32px}.ce-summary-pct{font-family:var(--font-body);margin-bottom:20px;font-size:18px;font-weight:600}.ce-summary-bar-wrap{width:100%;max-width:400px;margin-bottom:36px}.ce-summary-bar{background:var(--border);border-radius:3px;height:6px;overflow:hidden}.ce-summary-bar-fill{border-radius:3px;height:100%;transition:width .5s}.ce-summary-review{text-align:left;width:100%;max-width:560px;margin-bottom:28px}.ce-summary-review-title{font-family:var(--font-headline);color:var(--text-primary);margin-bottom:12px;font-size:18px;font-weight:800}.ce-summary-missed{background:var(--bg-card);border:1px solid var(--border);border-radius:10px;margin-bottom:8px;padding:14px 16px}.ce-summary-missed-term{font-family:var(--font-body);color:var(--accent);margin-bottom:4px;font-size:14px;font-weight:700}.ce-summary-missed-def{font-family:var(--font-body);color:var(--text-secondary);font-size:13px;line-height:1.5}.ce-summary-actions{flex-wrap:wrap;justify-content:center;gap:12px;display:flex}.ce-summary-retry{font-family:var(--font-body);color:#fff;cursor:pointer;border:none;border-radius:8px;padding:12px 28px;font-size:14px;font-weight:600;transition:opacity .12s}.ce-summary-retry:hover{opacity:.85}.ce-summary-back{font-family:var(--font-body);color:var(--text-secondary);background:var(--bg-card);border:1px solid var(--border);cursor:pointer;border-radius:8px;padding:12px 24px;font-size:14px;font-weight:500;transition:background .12s,color .12s}.ce-summary-back:hover{background:var(--bg-card-hover);color:var(--text-primary)}@media (max-width:640px){.ce-hero{padding:36px 0 28px}.ce-hero-title{font-size:32px}.ce-tab{padding:12px 14px;font-size:12px}.ce-filter-label{width:52px;font-size:9px}.ce-popover-inner{width:calc(100vw - 32px);right:16px}.ce-level-grid{grid-template-columns:repeat(2,1fr)}.ce-quiz-card{padding:20px}.ce-quiz-term{font-size:22px}.ce-summary-score{font-size:56px}}[data-theme=light] .ce-popover-inner{background:var(--bg-card);box-shadow:0 12px 40px #0000001f}[data-theme=light] .ce-sheet{background:var(--bg-card)}[data-theme=light] .ce-quiz-option.correct{background:#00c2a014;border-color:#00c2a066}[data-theme=light] .ce-quiz-option.wrong{background:#ef44440f;border-color:#ef44444d}