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8px;border-radius:var(--radius-round);background:var(--info-bg);color:var(--info-ink);font-size:var(--text-micro);font-weight:700}.vocabulary-prompt{display:grid;justify-items:center;gap:10px;margin-bottom:22px;text-align:center}.vocabulary-prompt-hanzi{margin:0;font-size:clamp(var(--text-score-lg),10vw,var(--text-hanzi-display));line-height:1.1;font-weight:700}.vocabulary-prompt-meaning{margin:0;font-size:clamp(var(--text-hanzi-sm),3.4vw,var(--text-hanzi-lg));font-weight:700}.vocabulary-prompt .audio-button{transform:scale(1.4);margin:14px}.hanzi-choice-grid button{position:relative}.hanzi-choice-grid button small{position:absolute;top:6px;left:10px;color:var(--muted);font-size:var(--text-xs);font-weight:700}.hanzi-choice-grid.vocabulary-text-options button{min-height:72px;font-size:var(--text-title-sm);font-weight:700;line-height:1.35}.vocabulary-pinyin-form{display:flex;flex-wrap:wrap;gap:10px}.vocabulary-pinyin-form input{flex:1 1 240px;min-width:0;padding:14px 16px;border:2px solid var(--input-line);border-radius:var(--radius-control);font:inherit;font-size:var(--text-hanzi-sm)}.vocabulary-pinyin-form input:focus{outline:none;border-color:var(--selected-line)}.vocabulary-unsure-row{display:flex;justify-content:center;margin-top:16px}.vocabulary-unsure{display:inline-flex;align-items:center;gap:10px}.vocabulary-unsure small{display:inline-grid;place-items:center;min-width:22px;height:22px;padding:0 6px;border-radius:var(--radius-sm);background:var(--surface-muted);color:var(--muted);font-size:var(--text-xs)}.vocabulary-missed li small.is-unsure{color:var(--warning-ink)}.vocabulary-result{max-width:var(--content-max);margin:0 auto}.vocabulary-result-lessons{list-style:none;margin:0;padding:0;display:grid;gap:10px;width:100%}.vocabulary-result-lessons li{display:grid;grid-template-columns:1fr auto;gap:6px 12px}.vocabulary-missed{width:100%;border:1px solid var(--line);border-radius:var(--radius-control);background:var(--surface)}.vocabulary-missed 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li.is-active{border-color:var(--primary);background:var(--primary-soft);color:var(--primary)}.review-phases li.is-active span{background:var(--primary);color:var(--on-primary)}.review-present{display:grid;gap:20px}.review-word-strip{display:flex;flex-wrap:wrap;justify-content:center;gap:8px}.review-word-strip button{min-width:48px;padding:6px 12px;border:1px solid var(--line);border-radius:var(--radius-control);background:var(--surface-tint);color:var(--muted);font:inherit;font-size:var(--text-xl);font-weight:700;cursor:pointer}.review-word-strip button.is-seen{color:var(--ink)}.review-word-strip button.is-active{border-color:var(--primary);background:var(--primary-soft);color:var(--primary)}.review-word-strip button:focus-visible{outline:2px solid var(--info);outline-offset:2px}.review-present-main{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:24px;align-items:start}.review-present-word{display:grid;justify-items:center;gap:6px;text-align:center}.review-present-reading{justify-content:center;font-weight:700}.review-present-pinyin{color:var(--pinyin);font-weight:600}.review-present-meaning{margin-bottom:6px;color:var(--ink);font-size:var(--text-xl);font-weight:700}.review-present-tip{margin:8px 0 0;max-width:38ch;color:var(--muted);font-size:var(--text-compact)}.review-present-visual{display:grid;gap:14px;justify-items:center}.review-present-visual h3{margin:0 0 8px;color:var(--muted);font-size:var(--text-xs);font-weight:800;letter-spacing:.08em;text-transform:uppercase;text-align:center}.review-present-image{margin:0;display:grid;justify-items:center;gap:6px}.review-present-image div{display:flex;gap:8px}.review-present-image img{width:96px;height:96px;padding:10px;border:1px solid var(--line);border-radius:var(--radius-panel);background:var(--surface-tint)}.review-present-image figcaption{color:var(--muted);font-size:var(--text-sm)}.review-strokes{display:flex;flex-wrap:wrap;justify-content:center;gap:8px;margin-bottom:12px}.review-strokes.static{margin-bottom:4px}.review-stroke-hint{margin:0;color:var(--muted);font-size:var(--text-xs);text-align:center}.review-links{margin:0;padding:12px 16px 12px 32px;border:1px solid var(--info-line);border-radius:var(--radius-control);background:var(--info-bg);color:var(--info-ink);display:grid;gap:6px;font-size:var(--text-compact)}.review-present-actions{display:flex;align-items:center;justify-content:space-between;gap:10px}.review-present-word .audio-timeline,.vocabulary-prompt .audio-timeline{display:none}.review-summary-list{list-style:none;margin:0;padding:0;width:100%;display:grid;gap:8px}.review-summary-list li{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:2px 12px;align-items:center;padding:10px 14px;border:1px solid var(--line);border-radius:var(--radius-control);background:var(--surface)}.review-summary-list li small{grid-column:2;font-weight:700}.review-summary-list li.is-correct small{color:var(--success-ink)}.review-summary-list li.is-wrong{border-color:var(--danger-line)}.review-summary-list li.is-wrong small{color:var(--danger-ink)}@media(max-width:720px){.review-present-main{grid-template-columns:1fr}.review-present-actions{flex-wrap:wrap}}.vocabulary-test-setup legend{display:flex;flex-wrap:wrap;align-items:center;gap:10px}.vocabulary-legend-actions{display:inline-flex;gap:6px;text-transform:none;letter-spacing:0}.vocabulary-legend-actions button{padding:2px 8px;border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--surface);color:var(--selected-ink);font:inherit;font-size:var(--text-xs);font-weight:700;cursor:pointer}.vocabulary-legend-actions button:disabled{opacity:.4;cursor:not-allowed}.vocabulary-chips label small{color:var(--muted);font-size:var(--text-micro);font-weight:700}.vocabulary-chips label.is-selected small{color:inherit;opacity:.8}.vocabulary-arrange{display:inline-flex;align-items:center;gap:8px;font-size:var(--text-compact);font-weight:700}.vocabulary-arrange select{padding:8px 10px;border:1px solid var(--input-line);border-radius:var(--radius-control);font:inherit;font-weight:600}.vocabulary-meta{color:var(--muted);font-size:var(--text-micro);line-height:1.35}.lesson-maps{max-width:var(--content-max);margin:0 auto 20px;border:1px solid var(--line);border-radius:var(--radius-panel);background:var(--surface);overflow:hidden}.lesson-maps>summary{padding:14px 20px;cursor:pointer;font-size:var(--text-md);font-weight:800;color:var(--primary)}.lesson-maps>summary span{margin-left:8px;color:var(--muted);font-size:var(--text-xs);font-weight:700}.lesson-maps>summary:focus-visible{outline:2px solid var(--info);outline-offset:-2px}.lesson-maps-toolbar{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px 16px;padding:0 20px 14px}.lesson-maps-toolbar p{margin:0;color:var(--muted);font-size:var(--text-sm);max-width:70ch}.lesson-maps-grid{display:grid;grid-template-columns:minmax(0,1fr);align-content:start;gap:14px;padding:0 16px 16px}.map-card{min-width:0;display:grid;gap:10px;align-content:start;padding:14px 16px;border-top:1px solid var(--line);background:transparent;container-type:inline-size}.map-card header{display:flex;min-height:24px;align-items:baseline;justify-content:space-between;gap:10px}.map-card h3{margin:0;font-size:var(--text-subtitle)}.map-kind{padding:2px 8px;border-radius:var(--radius-round);background:var(--info-bg);color:var(--info-ink);font-size:var(--text-micro);font-weight:800;white-space:nowrap}.map-caption{margin:0;color:var(--muted);font-size:var(--text-sm);line-height:1.5}.map-chip-row{display:flex;flex-wrap:wrap;gap:8px}.map-axis-line{display:flex;align-items:center;gap:10px;margin:-4px 0 0;color:var(--muted);font-size:var(--text-micro);font-weight:800;letter-spacing:.06em;text-transform:uppercase}.map-axis-line i{flex:1;height:3px;border-radius:var(--radius-round);background:linear-gradient(90deg,var(--track),var(--primary));position:relative}.map-axis-direction{display:none;color:var(--muted);font-size:var(--text-md);line-height:1}.map-axis-line i:after{content:"";position:absolute;right:-2px;top:-4px;width:8px;height:10px;background:var(--primary);clip-path:polygon(0 0,100% 50%,0 100%)}.map-scale-wellbeing .map-axis-line i{background:linear-gradient(90deg,var(--wellbeing-worse),var(--wellbeing-better))}.map-scale-wellbeing .map-axis-line i:after{background:var(--wellbeing-better)}.map-scale-wellbeing .map-axis-start{color:var(--wellbeing-worse-ink)}.map-scale-wellbeing .map-axis-end{color:var(--wellbeing-better-ink)}.map-chip{display:inline-grid;justify-items:center;align-content:center;gap:2px;min-width:56px;padding:7px 10px;border:1px solid var(--line);border-radius:var(--radius-control);background:var(--surface);color:var(--ink);font:inherit;cursor:pointer;text-align:center}.map-chip-reading{justify-content:center;--reading-hanzi-size: var(--text-hanzi-sm);font-weight:700}.map-chip:hover{border-color:var(--selected-line);background:var(--selected-bg)}.map-chip:focus-visible{outline:2px solid var(--info);outline-offset:2px}.map-chip.is-highlight{border-color:var(--primary);background:var(--primary-soft)}.map-chip.is-speaking{box-shadow:0 0 0 3px var(--info-line)}.map-chip-hanzi{font-size:var(--text-hanzi-sm);font-weight:700;line-height:1.2;white-space:nowrap}.map-chip-pinyin{color:var(--pinyin);font-size:var(--text-xs);font-weight:600;white-space:nowrap}.map-chip-meaning{color:var(--muted);font-size:var(--text-xs);line-height:1.3;max-width:18ch}.map-chip-note{margin-top:2px;padding:0 6px;border-radius:var(--radius-round);background:var(--warning-bg);color:var(--warning-ink);font-size:var(--text-xs);font-weight:800;white-space:nowrap}.map-diagram-host{width:100%;min-width:0}.map-diagram{width:100%;opacity:0;transition:opacity var(--duration-fast) var(--ease-standard)}.map-diagram.is-ready{opacity:1}.map-diagram .react-flow{--xy-background-color: transparent;--xy-edge-stroke: var(--primary);--xy-edge-stroke-width: 2;--xy-node-background-color: transparent;--xy-node-border: none;--xy-node-boxshadow-hover: none;--xy-handle-background-color: transparent;--xy-handle-border-color: transparent;background:transparent}.map-diagram .react-flow__pane,.map-diagram .react-flow__renderer{cursor:default}.map-diagram .map-chip{pointer-events:all}.map-diagram .react-flow__node{padding:0;border:0;border-radius:0;background:none;box-shadow:none;outline:none;cursor:default;width:auto}.map-diagram .react-flow__node.selected,.map-diagram .react-flow__node:focus{box-shadow:none;outline:none}.map-diagram .react-flow__handle{width:1px;height:1px;min-width:0;min-height:0;border:0;opacity:0;pointer-events:none}.map-diagram .react-flow__edge-path{stroke:var(--primary);stroke-width:2}.map-timeline-card .react-flow__edge-path{stroke:var(--info-line);stroke-width:4}.map-scale-wellbeing .react-flow__edge.wellbeing-edge-0 .react-flow__edge-path{stroke:color-mix(in srgb,var(--wellbeing-worse) 83%,var(--wellbeing-better))}.map-scale-wellbeing .react-flow__edge.wellbeing-edge-1 .react-flow__edge-path{stroke:color-mix(in srgb,var(--wellbeing-worse) 50%,var(--wellbeing-better))}.map-scale-wellbeing .react-flow__edge.wellbeing-edge-2 .react-flow__edge-path{stroke:color-mix(in srgb,var(--wellbeing-worse) 17%,var(--wellbeing-better))}.map-card:has(.map-diagram.is-multirow) .map-axis-line i{display:none}.map-card:has(.map-diagram.is-multirow) .map-axis-direction{display:inline}.map-node{display:grid;gap:6px;justify-items:start}.map-scale-wellbeing .scale-step-0 .map-chip{border-color:var(--wellbeing-worse);background:var(--wellbeing-worse-bg)}.map-scale-wellbeing .scale-step-1 .map-chip{border-color:color-mix(in srgb,var(--wellbeing-worse) 67%,var(--wellbeing-better));background:color-mix(in srgb,var(--wellbeing-worse-bg) 67%,var(--wellbeing-better-bg))}.map-scale-wellbeing .scale-step-2 .map-chip{border-color:color-mix(in srgb,var(--wellbeing-worse) 33%,var(--wellbeing-better));background:color-mix(in srgb,var(--wellbeing-worse-bg) 33%,var(--wellbeing-better-bg))}.map-scale-wellbeing .scale-step-3 .map-chip{border-color:var(--wellbeing-better);background:var(--wellbeing-better-bg)}.map-node .map-chip-meaning{max-width:15ch;display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:2;line-clamp:2;overflow:hidden}.map-node-title{display:inline-block;padding:6px 12px;border-radius:var(--radius-round);background:var(--surface);border:1px solid var(--primary-line);color:var(--primary);font-size:var(--text-sm);font-weight:800;white-space:nowrap}.map-node-step{padding:8px 10px;border:1px solid var(--line);border-radius:var(--radius-control);background:var(--surface);max-width:360px}.map-flow-label{color:var(--muted);font-size:var(--text-micro);font-weight:800;letter-spacing:.05em;text-transform:uppercase}.dialogue-chat{display:grid;align-content:start;gap:7px;width:100%;margin:0;padding:2px clamp(2px,1.5vw,18px);overflow:hidden;list-style:none}.dialogue-turn{display:flex;min-width:0}.dialogue-turn.speaker-b{justify-content:flex-end}.dialogue-bubble{position:relative;display:grid;gap:4px;width:fit-content;min-width:min(12rem,58%);max-width:min(86%,42rem);padding:8px 10px;border:1px solid var(--line);border-radius:var(--radius-sm) var(--radius-control) var(--radius-control);background:var(--surface)}.dialogue-turn.speaker-b .dialogue-bubble{border-color:var(--primary-line);border-radius:var(--radius-control) var(--radius-sm) var(--radius-control) var(--radius-control);background:var(--primary-soft)}.dialogue-bubble:before,.dialogue-bubble:after{content:"";position:absolute;top:11px;clip-path:polygon(100% 0,100% 100%,0 50%)}.dialogue-bubble:before{left:-9px;width:10px;height:14px;background:var(--line)}.dialogue-bubble:after{left:-7px;width:9px;height:12px;background:var(--surface)}.dialogue-turn.speaker-b .dialogue-bubble:before{right:-9px;left:auto;background:var(--primary-line);transform:scaleX(-1)}.dialogue-turn.speaker-b .dialogue-bubble:after{right:-7px;left:auto;background:var(--primary-soft);transform:scaleX(-1)}.dialogue-speaker{display:flex;align-items:baseline;gap:7px;color:var(--muted)}.dialogue-speaker>span{color:var(--primary);font-size:var(--text-xs);font-weight:800}.dialogue-speaker small{overflow:hidden;font-size:var(--text-micro);font-weight:700;text-overflow:ellipsis;white-space:nowrap}.dialogue-words{display:grid;gap:5px;min-width:0}.dialogue-chat .map-chip{justify-items:start;width:100%;min-width:0;padding:2px 0;border:0;border-radius:0;background:transparent;text-align:left}.dialogue-chat .map-chip:hover{background:transparent}.dialogue-chat .map-chip-reading{justify-content:flex-start}.dialogue-chat .map-chip-hanzi{white-space:normal;overflow-wrap:anywhere}.dialogue-chat .map-chip-meaning{max-width:34ch;text-align:left}.map-table-wrap{overflow-x:auto}.map-table{width:100%;border-collapse:separate;border-spacing:6px}.map-table th{color:var(--muted);font-size:var(--text-xs);font-weight:800;text-align:left}.map-table thead th{text-align:center}.map-table td{text-align:center;vertical-align:middle}.map-empty{color:var(--muted)}.map-clusters{display:grid;gap:10px;grid-template-columns:repeat(auto-fit,minmax(min(100%,170px),1fr))}.map-cluster{padding:10px;border:1px solid var(--line);border-radius:var(--radius-control);background:var(--surface)}.map-cluster h4{margin:0 0 8px;color:var(--primary);font-size:var(--text-xs);font-weight:800}.map-pattern{display:grid;align-content:start;gap:8px;margin:0;padding:0;list-style:none}.map-pattern li{min-width:0}.map-pattern-block{display:grid;align-content:start;gap:7px;width:100%;min-width:0;padding:10px 12px;border:1px solid var(--line);border-radius:var(--radius-control);background:var(--surface);color:var(--ink);font:inherit;text-align:left;cursor:pointer}.map-pattern-block:hover{border-color:var(--selected-line);background:var(--selected-bg)}.map-pattern-block:focus-visible{outline:2px solid var(--info);outline-offset:2px}.map-pattern-block.is-speaking{box-shadow:0 0 0 3px var(--info-line)}.map-pattern-usage{display:grid;grid-template-columns:8.25rem minmax(0,1fr);gap:8px;align-items:baseline;padding:7px 9px;background:var(--info-bg);color:var(--muted);font-size:var(--text-sm);line-height:1.4}.map-pattern-usage>strong{color:var(--info-ink);font-size:var(--text-xs);font-weight:800}.map-pattern-translation{display:grid;grid-template-columns:5.5rem minmax(0,1fr);gap:8px;align-items:baseline;padding-top:2px;color:var(--muted);font-size:var(--text-sm);line-height:1.4}.map-pattern-translation>strong{font-size:var(--text-xs);font-weight:800}.map-essential-pattern-example.hanzi-reading{width:100%;min-width:0;justify-content:center;padding:5px 7px;border-radius:var(--radius-sm);background:var(--grammar-object-bg);color:var(--grammar-object-ink);--reading-hanzi-size: var(--text-hanzi-sm)}.map-essential-pattern-example .hanzi-syllable{color:inherit;opacity:.78}.map-essential-pattern-structure{display:grid;justify-items:center;gap:1px;min-width:0;padding:5px 7px;border-radius:var(--radius-sm);background:var(--surface-muted);color:var(--ink);text-align:center}.map-essential-pattern-structure>span{font-size:var(--text-lg);font-weight:750;line-height:1.3}.map-essential-pattern-structure>small{color:var(--muted);font-size:var(--text-xs);line-height:1.3}.map-pattern+.map-pattern{margin-top:8px}.map-pattern-line{display:grid;grid-template-columns:5.5rem minmax(0,1fr);align-items:start;gap:8px;min-width:0}.map-pattern-line>strong{padding-top:4px;color:var(--muted);font-size:var(--text-xs);font-weight:800;line-height:1.3}.map-role-sequence,.map-pattern-sentence{display:grid;grid-template-columns:repeat(var(--pattern-columns),minmax(0,1fr));align-items:stretch;gap:6px;min-width:0;padding-right:1.25rem}.map-role{display:inline-flex;align-items:center;justify-content:center;min-width:0;min-height:32px;padding:4px 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i{display:block;height:100%;border-radius:inherit;background:var(--progress-gradient)}.kt-all-diagrams{display:grid;gap:32px}.kt-branch-diagrams{display:grid;gap:14px;padding-top:24px;border-top:1px solid var(--line)}.kt-branch-diagrams:first-child{padding-top:0;border-top:0}.kt-branch-diagrams-header{display:flex;align-items:center;gap:12px;padding-inline:4px}.kt-branch-diagrams-header>div{display:grid;gap:2px;min-width:0}.kt-branch-diagrams-header h2{margin:0;color:var(--ink);font-size:var(--text-lg)}.kt-branch-diagrams-header small{color:var(--muted);font-size:var(--text-xs);font-weight:700}.kt-detail{display:grid;gap:16px}.kt-detail-header{display:flex;flex-wrap:wrap;align-items:center;gap:12px}.kt-detail-header>div{flex:1;min-width:180px}.kt-detail-header h2{margin:0;font-size:var(--text-hanzi-sm)}.kt-detail-header small{color:var(--muted)}.kt-theme-tabs button{font-size:var(--text-sm)}.kt-theme{display:grid;gap:14px;padding:16px;border:1px solid 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