.lk-app{--lk-bg:#0b1120;--lk-bg-deep:#070d19;--lk-surface:#101a2e;--lk-surface-2:#16223a;--lk-surface-3:#1d2b47;--lk-border:#223052;--lk-border-soft:#1a2540;--lk-control-border:#4a6296;--lk-text:#e9edf7;--lk-text-strong:#ffffff;--lk-muted:#93a3c2;--lk-faint:#8494b4;--lk-gold:#d4af37;--lk-gold-strong:#f2c94c;--lk-gold-deep:#a8850c;--lk-gold-soft:rgba(212,175,55,0.14);--lk-gold-line:rgba(212,175,55,0.3);--lk-danger:#ff7a5c;--lk-success:#4ade80;--lk-info:#60a5fa;--lk-warning:#fbbf24;--lk-shadow:0 18px 45px -25px rgba(0,0,0,0.9);--lk-shadow-lg:0 30px 70px -30px rgba(0,0,0,0.95);--lk-shadow-sm:0 6px 20px -6px rgba(0,0,0,0.45);--lk-glow-gold-sm:0 0 12px rgba(212,175,55,0.2);--lk-radius:14px;--lk-radius-sm:9px;--lk-ease:180ms cubic-bezier(0.22,0.68,0.36,1);--lk-font:var(--font-lk-sans),ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;--lk-mono:ui-monospace,SFMono-Regular,"SF Mono",Menlo,Consolas,monospace;font-family:var(--lk-font);color:var(--lk-text);background:var(--lk-bg);min-height:100vh;min-height:100dvh;-webkit-font-smoothing:antialiased}.lk-app[data-theme=light]{--lk-bg:#f4f6fb;--lk-bg-deep:#e9edf6;--lk-surface:#ffffff;--lk-surface-2:#f2f5fb;--lk-surface-3:#e7ecf6;--lk-border:#cdd6e8;--lk-border-soft:#dbe2ef;--lk-control-border:#8a96b0;--lk-text:#16203a;--lk-text-strong:#070d19;--lk-muted:#5d6b87;--lk-faint:#63708f;--lk-gold:#96690f;--lk-gold-strong:#8f6408;--lk-gold-soft:rgba(176,125,19,0.12);--lk-gold-line:rgba(176,125,19,0.35);--lk-danger:#d0442a;--lk-success:#17803d;--lk-info:#1d5fd0;--lk-warning:#a86500;--lk-shadow:0 14px 34px -22px rgba(16,32,58,0.45);--lk-shadow-lg:0 26px 60px -28px rgba(16,32,58,0.5);--lk-shadow-sm:0 8px 18px -12px rgba(16,32,58,0.35);--lk-glow-gold-sm:none}.lk-app *,.lk-app :after,.lk-app :before{box-sizing:border-box}.lk-app button,.lk-app input,.lk-app select,.lk-app textarea{font:inherit;color:inherit}.lk-app :focus-visible{outline:2px solid var(--lk-gold);outline-offset:2px;border-radius:6px}.lk-app ::-moz-selection{background:var(--lk-gold-soft)}.lk-app ::selection{background:var(--lk-gold-soft)}.lk-scroll{overflow-y:auto;scrollbar-width:thin;scrollbar-color:var(--lk-surface-3) transparent}.lk-scroll::-webkit-scrollbar{width:10px;height:10px}.lk-scroll::-webkit-scrollbar-thumb{background:var(--lk-surface-3);border-radius:99px;border:3px solid transparent;background-clip:content-box}.lk-scroll::-webkit-scrollbar-thumb:hover{background:var(--lk-border);background-clip:content-box}.lk-shell{display:flex;height:100vh;height:100dvh;overflow:hidden;background:linear-gradient(180deg,var(--lk-bg) 0,var(--lk-bg-deep) 100%)}.lk-pane{display:flex;flex-direction:column;min-width:0;min-height:0}.lk-sidebar{background:color-mix(in srgb,var(--lk-surface) 70%,transparent);border-right:1px solid var(--lk-border-soft);flex-shrink:0}.lk-library-main,.lk-main{flex:1;min-width:0;position:relative}.lk-resizer{width:5px;margin:0 -2px;cursor:col-resize;flex-shrink:0;position:relative;z-index:5;background:transparent;border:0;padding:0;transition:background var(--lk-ease)}.lk-resizer:focus-visible,.lk-resizer:hover,.lk-resizer[data-active=true]{background:var(--lk-gold-line)}.lk-btn{display:inline-flex;align-items:center;justify-content:center;gap:7px;border:1px solid var(--lk-border);background:var(--lk-surface-2);color:var(--lk-text);border-radius:var(--lk-radius-sm);padding:7px 12px;font-size:13.5px;font-weight:500;cursor:pointer;white-space:nowrap;transition:background var(--lk-ease),border-color var(--lk-ease),transform var(--lk-ease),color var(--lk-ease)}.lk-btn:hover:not(:disabled){background:var(--lk-surface-3);border-color:var(--lk-border)}.lk-btn:active:not(:disabled){transform:translateY(1px)}.lk-btn:disabled{opacity:.45;cursor:not-allowed}.lk-btn[data-variant=primary]{background:var(--lk-gold);border-color:var(--lk-gold);color:#16120a;font-weight:600}.lk-btn[data-variant=primary]:hover:not(:disabled){background:var(--lk-gold-strong);border-color:var(--lk-gold-strong)}.lk-btn[data-variant=ghost]{background:transparent;border-color:transparent;color:var(--lk-muted)}.lk-btn[data-variant=ghost]:hover:not(:disabled){background:var(--lk-surface-2);color:var(--lk-text)}.lk-btn[data-variant=danger]{background:color-mix(in srgb,var(--lk-danger) 16%,transparent);border-color:color-mix(in srgb,var(--lk-danger) 45%,transparent);color:var(--lk-danger)}.lk-btn[data-variant=danger]:hover:not(:disabled){background:color-mix(in srgb,var(--lk-danger) 26%,transparent)}.lk-btn[data-size=sm]{padding:5px 9px;font-size:12.5px}.lk-icon-btn{display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;border-radius:8px;border:1px solid transparent;background:transparent;color:var(--lk-muted);cursor:pointer;flex-shrink:0;transition:background var(--lk-ease),color var(--lk-ease),border-color var(--lk-ease)}.lk-icon-btn:hover:not(:disabled){background:var(--lk-surface-2);color:var(--lk-text)}.lk-icon-btn:disabled{opacity:.35;cursor:not-allowed}.lk-icon-btn[data-active=true]{background:var(--lk-gold-soft);color:var(--lk-gold)}.lk-input,.lk-select,.lk-textarea{width:100%;background:var(--lk-surface-2);border:1px solid var(--lk-border);border-radius:var(--lk-radius-sm);padding:8px 11px;font-size:13.5px;color:var(--lk-text);transition:border-color var(--lk-ease),background var(--lk-ease)}.lk-input::-moz-placeholder,.lk-textarea::-moz-placeholder{color:var(--lk-faint)}.lk-input::placeholder,.lk-textarea::placeholder{color:var(--lk-faint)}.lk-input:focus,.lk-select:focus,.lk-textarea:focus{border-color:var(--lk-gold-line);outline:none}.lk-textarea{resize:vertical;min-height:90px;font-family:var(--lk-mono);font-size:13px;line-height:1.6}.lk-chip{display:inline-flex;align-items:center;gap:6px;padding:3px 9px;border-radius:99px;font-size:11.5px;font-weight:500;border:1px solid var(--lk-border);background:var(--lk-surface-2);color:var(--lk-muted);cursor:pointer;transition:all var(--lk-ease)}.lk-chip[data-active=true]{border-color:var(--lk-gold-line);background:var(--lk-gold-soft);color:var(--lk-gold)}.lk-chip .lk-dot{width:7px;height:7px;border-radius:99px;flex-shrink:0}.lk-section-title{font-size:10.5px;font-weight:700;letter-spacing:.13em;text-transform:uppercase;color:var(--lk-faint);padding:0 12px;margin:16px 0 6px;justify-content:space-between;gap:6px}.lk-brand,.lk-section-title{display:flex;align-items:center}.lk-brand{gap:10px;padding:16px 14px 12px}.lk-brand-mark{width:34px;height:34px;border-radius:10px;display:grid;place-items:center;background:linear-gradient(140deg,var(--lk-gold) 0,#d99a1f 100%);color:#16120a;flex-shrink:0;box-shadow:0 6px 18px -8px rgba(212,175,55,.8)}.lk-brand-text{min-width:0}.lk-brand-name{font-size:15px;font-weight:700;letter-spacing:-.01em;line-height:1.15;color:var(--lk-text-strong)}.lk-brand-sub{font-size:11px;color:var(--lk-faint)}.lk-nav-item{display:flex;align-items:center;gap:9px;width:calc(100% - 16px);margin:1px 8px;padding:7px 9px;border-radius:9px;border:0;background:transparent;color:var(--lk-muted);font-size:13.5px;text-align:left;cursor:pointer;transition:background var(--lk-ease),color var(--lk-ease)}.lk-nav-item:hover{background:var(--lk-surface-2);color:var(--lk-text)}.lk-nav-item[data-active=true]{background:var(--lk-gold-soft);color:var(--lk-gold);font-weight:600}.lk-nav-item .lk-nav-label{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.lk-nav-count{font-size:11px;color:var(--lk-faint);font-variant-numeric:tabular-nums}.lk-nav-item[data-depth="1"]{padding-left:26px}.lk-nav-item[data-depth="2"]{padding-left:42px}.lk-tree-toggle{width:16px;height:16px;display:grid;place-items:center;border:0;background:transparent;color:var(--lk-faint);cursor:pointer;border-radius:4px;flex-shrink:0;transition:transform var(--lk-ease),color var(--lk-ease)}.lk-tree-toggle[data-open=true]{transform:rotate(90deg)}.lk-tree-toggle:hover{color:var(--lk-text)}.lk-row-actions{display:flex;gap:2px;opacity:0;transition:opacity var(--lk-ease)}.lk-nav-row{display:flex;align-items:center}.lk-nav-row:focus-within .lk-row-actions,.lk-nav-row:hover .lk-row-actions{opacity:1}.lk-list-head{padding:14px 14px 10px;border-bottom:1px solid var(--lk-border-soft);display:flex;flex-direction:column;gap:10px}.lk-search{position:relative;display:flex;align-items:center}.lk-search svg{position:absolute;left:10px;color:var(--lk-faint);pointer-events:none}.lk-search .lk-input{padding-left:32px;padding-right:30px}.lk-search-clear{position:absolute;right:6px}.lk-note-card{display:block;width:calc(100% - 16px);margin:4px 8px;padding:11px 12px;border-radius:var(--lk-radius);border:1px solid transparent;background:transparent;text-align:left;cursor:pointer;position:relative;transition:background var(--lk-ease),border-color var(--lk-ease),transform var(--lk-ease),box-shadow var(--lk-ease);box-shadow:var(--lk-shadow-sm),var(--lk-glow-gold-sm),inset 0 1px 0 rgba(255,255,255,.05)}.lk-note-card:hover{background:var(--lk-surface-2);box-shadow:var(--lk-shadow),var(--lk-glow-gold-sm)}.lk-note-card[data-active=true]{background:var(--lk-surface-2);border-color:var(--lk-gold-line);box-shadow:var(--lk-shadow)}.lk-note-card[data-active=true]:before{content:"";position:absolute;left:0;top:12px;bottom:12px;width:3px;border-radius:99px;background:var(--lk-gold)}.lk-note-title{font-size:14px;font-weight:600;color:var(--lk-text);display:flex;align-items:center;gap:6px;line-height:1.35}.lk-note-title span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.lk-note-excerpt{font-size:12.5px;color:var(--lk-muted);line-height:1.5;margin-top:3px;display:-webkit-box;-webkit-line-clamp:2;line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.lk-note-meta{display:flex;align-items:center;gap:8px;margin-top:7px;font-size:11px;color:var(--lk-faint);flex-wrap:wrap}.lk-note-tags{display:flex;gap:4px;flex-wrap:wrap}.lk-tag-pill{font-size:10.5px;padding:1.5px 7px;border-radius:99px;border:1px solid;font-weight:500;border-color:color-mix(in oklab,var(--pill,currentColor) 60%,transparent);color:color-mix(in oklab,var(--pill,currentColor) 55%,var(--lk-text))}.lk-cards-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:10px;padding:10px}.lk-cards-grid .lk-note-card{width:auto;margin:0;border:1px solid var(--lk-border-soft);background:var(--lk-surface);min-height:128px}.lk-cards-grid .lk-note-excerpt{-webkit-line-clamp:4;line-clamp:4}.lk-editor-head{display:flex;align-items:center;gap:8px;padding:10px 16px;border-bottom:1px solid var(--lk-border-soft);background:color-mix(in srgb,var(--lk-surface) 55%,transparent);backdrop-filter:blur(8px);flex-wrap:wrap}.lk-save-badge{display:inline-flex;align-items:center;gap:6px;font-size:11.5px;color:var(--lk-faint);padding:3px 9px;border-radius:99px;border:1px solid var(--lk-border-soft);white-space:nowrap}.lk-save-badge .lk-dot{width:6px;height:6px;border-radius:99px;background:var(--lk-success)}.lk-save-badge[data-status=saving] .lk-dot{background:var(--lk-warning);animation:lk-pulse 1s ease-in-out infinite}.lk-save-badge[data-status=offline] .lk-dot{background:var(--lk-info)}.lk-save-badge[data-status=error] .lk-dot{background:var(--lk-danger)}@keyframes lk-pulse{0%,to{opacity:1}50%{opacity:.3}}.lk-toolbar{display:flex;align-items:center;gap:2px;padding:6px 16px;border-bottom:1px solid var(--lk-border-soft);overflow-x:auto;scrollbar-width:none}.lk-toolbar::-webkit-scrollbar{display:none}.lk-toolbar-sep{width:1px;height:20px;background:var(--lk-border);margin:0 5px;flex-shrink:0}.lk-editor-body{flex:1;min-height:0;display:flex;overflow:hidden}.lk-doc-scroll{flex:1;min-width:0;padding:26px clamp(16px,6vw,72px) 45vh}.lk-doc{max-width:780px;margin:0 auto}.lk-app[data-focus=true] .lk-doc{max-width:720px}.lk-title-input{width:100%;border:0;background:transparent;font-size:clamp(26px,4vw,38px);font-weight:700;letter-spacing:-.025em;line-height:1.15;color:var(--lk-text-strong);padding:0 0 6px;margin-bottom:6px}.lk-title-input::-moz-placeholder{color:var(--lk-faint)}.lk-title-input::placeholder{color:var(--lk-faint)}.lk-title-input:focus{outline:none}.lk-doc-meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap;font-size:11.5px;color:var(--lk-faint);padding-bottom:14px;margin-bottom:12px;border-bottom:1px solid var(--lk-border-soft)}.lk-block-row{position:relative;display:flex;align-items:flex-start;gap:2px;margin:1px 0;border-radius:8px;transition:background .12s ease}.lk-block-row[data-drop=before]{box-shadow:inset 0 2px 0 var(--lk-gold)}.lk-block-row[data-drop=after]{box-shadow:inset 0 -2px 0 var(--lk-gold)}.lk-block-row[data-dragging=true]{opacity:.4}.lk-block-handles{position:absolute;left:-50px;top:2px;display:flex;gap:1px;opacity:0;transition:opacity var(--lk-ease)}.lk-block-row:focus-within>.lk-block-handles,.lk-block-row:hover>.lk-block-handles{opacity:1}.lk-handle{width:22px;height:24px;display:grid;place-items:center;border:0;background:transparent;color:var(--lk-faint);border-radius:5px;cursor:grab;transition:background var(--lk-ease),color var(--lk-ease)}.lk-handle:hover{background:var(--lk-surface-2);color:var(--lk-text)}.lk-handle[data-role=add]{cursor:pointer}.lk-block-content{flex:1;min-width:0}.lk-rt{outline:none;min-height:1.6em;word-break:break-word;white-space:pre-wrap;caret-color:var(--lk-gold)}.lk-rt[data-empty=true]:before{content:attr(data-placeholder);color:var(--lk-faint);pointer-events:none;position:absolute}.lk-b-paragraph{font-size:16px;line-height:1.75;padding:3px 4px}.lk-b-heading1{font-size:27px;font-weight:700;letter-spacing:-.02em;line-height:1.3;padding:16px 4px 4px}.lk-b-heading2{font-size:21px;font-weight:700;letter-spacing:-.015em;line-height:1.35;padding:13px 4px 3px}.lk-b-heading3{font-size:17px;font-weight:650;line-height:1.4;padding:10px 4px 2px}.lk-list-row{display:flex;align-items:flex-start;gap:8px;padding:2px 4px}.lk-list-marker{flex-shrink:0;min-width:20px;text-align:right;color:var(--lk-gold);font-size:16px;line-height:1.75;font-variant-numeric:tabular-nums;-webkit-user-select:none;-moz-user-select:none;user-select:none}.lk-list-row .lk-rt{flex:1;font-size:16px;line-height:1.75}.lk-check{-webkit-appearance:none;-moz-appearance:none;appearance:none;width:17px;height:17px;margin-top:6px;border-radius:5px;border:1.5px solid var(--lk-border);background:var(--lk-surface-2);cursor:pointer;flex-shrink:0;display:grid;place-items:center;transition:all var(--lk-ease)}.lk-check:hover{border-color:var(--lk-gold-line)}.lk-check:checked{background:var(--lk-gold);border-color:var(--lk-gold)}.lk-check:checked:after{content:"";width:4px;height:8px;border:solid #16120a;border-width:0 2px 2px 0;transform:rotate(43deg) translate(-1px,-1px)}.lk-todo-done .lk-rt{text-decoration:line-through;color:var(--lk-faint)}.lk-due{font-size:10.5px;padding:2px 7px;border-radius:99px;border:1px solid var(--lk-border);color:var(--lk-muted);background:var(--lk-surface-2);margin-top:5px;white-space:nowrap;cursor:pointer}.lk-due[data-state=overdue]{color:var(--lk-danger);border-color:color-mix(in srgb,var(--lk-danger) 40%,transparent)}.lk-due[data-state=soon]{color:var(--lk-warning);border-color:color-mix(in srgb,var(--lk-warning) 40%,transparent)}.lk-b-quote{border-left:3px solid var(--lk-gold-line);padding:4px 4px 4px 16px;margin:6px 0;font-size:16px;line-height:1.7;color:var(--lk-muted);font-style:italic}.lk-b-divider{padding:12px 4px}.lk-b-divider hr{border:0;border-top:1px solid var(--lk-border);margin:0}.lk-callout{display:flex;gap:11px;padding:12px 14px;border-radius:var(--lk-radius);border:1px solid;margin:8px 0;font-size:15px;line-height:1.65}.lk-callout[data-tone=info]{background:color-mix(in srgb,var(--lk-info) 12%,transparent);border-color:color-mix(in srgb,var(--lk-info) 32%,transparent)}.lk-callout[data-tone=success]{background:color-mix(in srgb,var(--lk-success) 12%,transparent);border-color:color-mix(in srgb,var(--lk-success) 32%,transparent)}.lk-callout[data-tone=warning]{background:color-mix(in srgb,var(--lk-warning) 13%,transparent);border-color:color-mix(in srgb,var(--lk-warning) 34%,transparent)}.lk-callout[data-tone=danger]{background:color-mix(in srgb,var(--lk-danger) 12%,transparent);border-color:color-mix(in srgb,var(--lk-danger) 32%,transparent)}.lk-callout-icon{flex-shrink:0;margin-top:2px;border:0;background:transparent;cursor:pointer;padding:0;color:inherit;display:grid;place-items:center}.lk-callout[data-tone=info] .lk-callout-icon{color:var(--lk-info)}.lk-callout[data-tone=success] .lk-callout-icon{color:var(--lk-success)}.lk-callout[data-tone=warning] .lk-callout-icon{color:var(--lk-warning)}.lk-callout[data-tone=danger] .lk-callout-icon{color:var(--lk-danger)}.lk-toggle-block{margin:5px 0}.lk-toggle-head{display:flex;align-items:flex-start;gap:7px;padding:3px 4px}.lk-toggle-caret{width:22px;height:26px;display:grid;place-items:center;border:0;background:transparent;color:var(--lk-muted);cursor:pointer;border-radius:5px;flex-shrink:0;transition:transform var(--lk-ease)}.lk-toggle-caret[data-open=true]{transform:rotate(90deg)}.lk-toggle-head .lk-rt{flex:1;font-size:16px;line-height:1.7;font-weight:600}.lk-toggle-body{margin-left:15px;padding-left:16px;border-left:1.5px solid var(--lk-border-soft)}.lk-code{position:relative;margin:10px 0;border-radius:var(--lk-radius);border:1px solid var(--lk-border);background:var(--lk-bg-deep);overflow:hidden}.lk-code-head{display:flex;align-items:center;gap:6px;padding:5px 8px 5px 12px;border-bottom:1px solid var(--lk-border-soft);background:color-mix(in srgb,var(--lk-surface) 60%,transparent)}.lk-code-lang{border:0;color:var(--lk-muted);font-size:11.5px;cursor:pointer;padding:2px 4px;border-radius:5px}.lk-code textarea,.lk-code-lang{background:transparent;font-family:var(--lk-mono)}.lk-code textarea{width:100%;border:0;padding:12px 14px;font-size:13.5px;line-height:1.65;resize:none;outline:none;color:var(--lk-text);display:block;overflow:hidden}.lk-math{margin:10px 0;border-radius:var(--lk-radius);border:1px solid var(--lk-border-soft);background:var(--lk-surface);padding:14px;cursor:pointer;text-align:center;transition:border-color var(--lk-ease)}.lk-math:hover{border-color:var(--lk-gold-line)}.lk-math .katex{color:var(--lk-text);font-size:1.15em}.lk-math-empty{color:var(--lk-faint);font-size:14px}.lk-math-error{color:var(--lk-danger);font-family:var(--lk-mono);font-size:13px}.lk-table-wrap{margin:10px 0;overflow-x:auto;border-radius:var(--lk-radius);border:1px solid var(--lk-border)}.lk-table{border-collapse:collapse;width:100%;min-width:340px;font-size:14px}.lk-table td,.lk-table th{border:1px solid var(--lk-border-soft);padding:0;vertical-align:top;min-width:90px}.lk-table th{background:var(--lk-surface-2)}.lk-table .lk-cell{padding:8px 10px;outline:none;min-height:20px;line-height:1.55}.lk-table th .lk-cell{font-weight:650}.lk-table-tools{display:flex;gap:4px;padding:6px;border-top:1px solid var(--lk-border-soft);background:var(--lk-surface);flex-wrap:wrap}.lk-image-block{margin:12px 0;position:relative}.lk-image-block img{display:block;border-radius:var(--lk-radius);max-width:100%;margin:0 auto;border:1px solid var(--lk-border-soft)}.lk-image-caption{text-align:center;font-size:12px;color:var(--lk-faint);margin-top:6px;outline:none}.lk-image-tools{display:flex;gap:6px;align-items:center;justify-content:center;margin-top:8px;opacity:0;transition:opacity var(--lk-ease)}.lk-image-block:focus-within .lk-image-tools,.lk-image-block:hover .lk-image-tools{opacity:1}.lk-file-block{display:flex;align-items:center;gap:11px;margin:8px 0;padding:11px 13px;border-radius:var(--lk-radius);border:1px solid var(--lk-border);background:var(--lk-surface);transition:border-color var(--lk-ease)}.lk-file-block:hover{border-color:var(--lk-gold-line)}.lk-file-meta{flex:1;min-width:0}.lk-file-name{font-size:14px;font-weight:550;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.lk-file-size{font-size:11.5px;color:var(--lk-faint)}.lk-empty-drop{border:1.5px dashed var(--lk-border);border-radius:var(--lk-radius);padding:22px;text-align:center;color:var(--lk-muted);font-size:13.5px;margin:8px 0;transition:border-color var(--lk-ease),background var(--lk-ease)}.lk-empty-drop[data-over=true]{border-color:var(--lk-gold);background:var(--lk-gold-soft)}.lk-cell a,.lk-rt a{color:var(--lk-gold);text-decoration:underline;text-underline-offset:2px}.lk-cell code,.lk-rt code{font-family:var(--lk-mono);font-size:.88em;background:var(--lk-surface-3);padding:1px 5px;border-radius:5px}.lk-cell mark,.lk-rt mark{border-radius:3px;padding:0 2px;color:inherit}.lk-hl-yellow{background:rgba(212,175,55,.38)}.lk-hl-green{background:rgba(74,222,128,.28)}.lk-hl-blue{background:rgba(96,165,250,.28)}.lk-hl-pink{background:rgba(244,114,182,.28)}.lk-card{background:rgba(212,175,55,.18);box-shadow:inset 0 -2px 0 var(--lk-gold)}.lk-note-link{color:var(--lk-gold);border-bottom:1px dashed var(--lk-gold-line);text-decoration:none;cursor:pointer}.lk-menu{position:fixed;z-index:90;min-width:208px;max-height:min(420px,70vh);overflow-y:auto;background:var(--lk-surface);border:1px solid var(--lk-border);border-radius:var(--lk-radius);box-shadow:var(--lk-shadow-lg);padding:5px;animation:lk-pop .14s cubic-bezier(.2,.9,.35,1)}@keyframes lk-pop{0%{opacity:0;transform:translateY(-4px) scale(.98)}}.lk-menu-item{display:flex;align-items:center;gap:9px;width:100%;padding:7px 9px;border:0;border-radius:8px;background:transparent;color:var(--lk-text);font-size:13.5px;text-align:left;cursor:pointer;transition:background .1s ease}.lk-menu-item:hover,.lk-menu-item[data-highlight=true]{background:var(--lk-surface-3)}.lk-menu-item[data-danger=true]{color:var(--lk-danger)}.lk-menu-item .lk-menu-sub{font-size:11px;color:var(--lk-faint)}.lk-menu-item .lk-menu-body{flex:1;min-width:0}.lk-menu-shortcut{font-size:11px;color:var(--lk-faint);font-family:var(--lk-mono)}.lk-menu-sep{height:1px;background:var(--lk-border-soft);margin:5px 3px}.lk-menu-label{font-size:10.5px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--lk-faint);padding:8px 9px 4px}.lk-float-toolbar{position:fixed;z-index:95;display:flex;align-items:center;gap:1px;padding:4px;background:var(--lk-surface);border:1px solid var(--lk-border);border-radius:11px;box-shadow:var(--lk-shadow-lg);animation:lk-pop .14s 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transparent;transition:color var(--lk-ease),border-color var(--lk-ease)}.lk-panel-tab[data-active=true]{color:var(--lk-gold);border-bottom-color:var(--lk-gold)}.lk-panel-body{flex:1;min-height:0;padding:12px}.lk-toc-item{display:block;width:100%;text-align:left;border:0;background:transparent;color:var(--lk-muted);font-size:13px;padding:5px 8px;border-radius:7px;cursor:pointer;border-left:2px solid transparent;line-height:1.45}.lk-toc-item:hover{background:var(--lk-surface-2);color:var(--lk-text);border-left-color:var(--lk-gold-line)}.lk-toc-item[data-level="2"]{padding-left:20px;font-size:12.5px}.lk-toc-item[data-level="3"]{padding-left:32px;font-size:12px}.lk-progress{height:6px;border-radius:99px;background:var(--lk-surface-3);overflow:hidden}.lk-progress span{display:block;height:100%;border-radius:99px;background:linear-gradient(90deg,var(--lk-gold) 0,var(--lk-gold-strong) 100%);transition:width .42s cubic-bezier(.2,.9,.35,1)}.lk-panel-card{border:1px solid var(--lk-border-soft);border-radius:var(--lk-radius-sm);background:var(--lk-surface);padding:10px 11px;margin-bottom:8px;font-size:13px;line-height:1.55}.lk-panel-card button{border:0;background:transparent;cursor:pointer;color:inherit}.lk-draw{display:flex;flex-direction:column;border-radius:var(--lk-radius);border:1px solid var(--lk-border);overflow:hidden;background:var(--lk-surface);margin:12px 0}.lk-draw[data-full=true]{margin:0;border:0;border-radius:0;height:100%}.lk-draw-bar{display:flex;align-items:center;gap:3px;padding:6px 8px;border-bottom:1px solid var(--lk-border-soft);background:color-mix(in srgb,var(--lk-surface-2) 80%,transparent);flex-wrap:wrap}.lk-draw-bar .lk-icon-btn[data-active=true]:after{content:"";position:absolute;inset:auto 6px 3px;height:2px;border-radius:2px;background:var(--lk-gold)}.lk-draw-bar .lk-swatch[data-selected=true]{box-shadow:0 0 0 2px var(--lk-surface),0 0 0 4px var(--lk-text-strong)}.lk-draw-canvas-wrap{position:relative;flex:1;min-height:0;overscroll-behavior:contain}.lk-draw-canvas,.lk-draw-canvas-wrap{touch-action:none;-moz-user-select:none;user-select:none;-webkit-user-select:none;-webkit-touch-callout:none}.lk-draw-canvas{display:block;width:100%;height:100%}.lk-draw-resize{height:10px;cursor:ns-resize;background:var(--lk-surface-2);border-top:1px solid var(--lk-border-soft);display:grid;place-items:center}.lk-draw-resize:after{content:"";width:34px;height:3px;border-radius:99px;background:var(--lk-border)}.lk-draw-text-input{-moz-user-select:text;user-select:text;-webkit-user-select:text;position:absolute;z-index:4;border:1px solid var(--lk-gold);border-radius:6px;background:var(--lk-surface);padding:4px 6px;min-width:140px;outline:none;font-family:var(--lk-font)}.lk-zoom-badge{position:absolute;left:10px;right:auto;bottom:10px;z-index:3;display:flex;align-items:center;gap:2px;padding:3px;border-radius:10px;background:color-mix(in srgb,var(--lk-surface) 90%,transparent);border:1px solid var(--lk-border);box-shadow:var(--lk-shadow);opacity:.55;transition:opacity var(--lk-ease)}.lk-zoom-badge:focus-within,.lk-zoom-badge:hover{opacity:1}.lk-zoom-value{font-size:11.5px;color:var(--lk-muted);min-width:42px;text-align:center;font-variant-numeric:tabular-nums}.lk-width-preview{border-radius:99px;background:currentColor}.lk-toasts{position:fixed;bottom:18px;left:50%;transform:translateX(-50%);z-index:120;flex-direction:column;gap:8px;pointer-events:none;width:min(440px,calc(100vw - 24px))}.lk-toast,.lk-toasts{display:flex;align-items:center}.lk-toast{pointer-events:auto;gap:10px;padding:10px 14px;border-radius:11px;background:var(--lk-surface);border:1px solid var(--lk-border);box-shadow:var(--lk-shadow-lg);font-size:13.5px;animation:lk-toast-in .2s cubic-bezier(.2,.9,.35,1);max-width:100%}@keyframes lk-toast-in{0%{opacity:0;transform:translateY(10px)}}.lk-toast[data-tone=success]{border-color:color-mix(in srgb,var(--lk-success) 45%,transparent)}.lk-toast[data-tone=error]{border-color:color-mix(in srgb,var(--lk-danger) 50%,transparent)}.lk-toast-msg{flex:1;min-width:0}.lk-empty{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;text-align:center;padding:40px 24px;color:var(--lk-muted);height:100%}.lk-empty-icon{width:56px;height:56px;border-radius:16px;display:grid;place-items:center;background:var(--lk-surface-2);border:1px solid var(--lk-border-soft);color:var(--lk-gold)}.lk-empty-title{font-size:16px;font-weight:650;color:var(--lk-text)}.lk-empty-text{font-size:13.5px;max-width:360px;line-height:1.6}.lk-spinner{width:18px;height:18px;border-radius:99px;border:2px solid var(--lk-border);border-top-color:var(--lk-gold);animation:lk-spin .7s linear infinite}@keyframes lk-spin{to{transform:rotate(1turn)}}.lk-skeleton{background:linear-gradient(90deg,var(--lk-surface-2) 0,var(--lk-surface-3) 50%,var(--lk-surface-2) 100%);background-size:200% 100%;animation:lk-shimmer 1.3s ease-in-out infinite;border-radius:8px}@keyframes lk-shimmer{to{background-position:-200% 0}}@media (max-width:900px){.lk-shell{height:100vh;height:100dvh}.lk-shell>.lk-resizer{display:none}.lk-library-main,.lk-main,.lk-sidebar{width:100%!important;border-right:0}.lk-page-panel,.lk-side-panel{position:fixed;inset:0;width:min(320px,88vw);z-index:76;background:var(--lk-surface);box-shadow:var(--lk-shadow-lg)}.lk-page-panel{left:0;right:auto;border-right:1px solid var(--lk-border)}.lk-side-panel{left:auto;right:0;border-left:1px solid var(--lk-border)}.lk-doc-scroll{padding:18px 16px 30vh}.lk-block-handles{position:static;opacity:1;order:-1}.lk-block-row{align-items:flex-start}.lk-sidebar[data-mobile-rail=true]{position:fixed;inset:0;z-index:80;box-shadow:var(--lk-shadow-lg)}.lk-rail-scrim{position:fixed;inset:0;z-index:75;border:0;background:rgba(4,8,18,.55);cursor:default}.lk-doc-grid{grid-template-columns:repeat(auto-fill,minmax(140px,1fr))}}@media (max-width:640px){.lk-editor-head{padding:8px 12px}.lk-toolbar{padding:5px 12px}}.lk-app[data-exam=true] .lk-side-panel,.lk-app[data-exam=true] .lk-toolbar{display:none}.lk-app[data-exam=true] .lk-doc{max-width:680px}.lk-exam-banner{display:flex;align-items:center;justify-content:center;gap:10px;padding:7px;font-size:12.5px;background:var(--lk-gold-soft);color:var(--lk-gold);border-bottom:1px solid var(--lk-gold-line)}@media print{.lk-shell{display:block;height:auto}.lk-block-handles,.lk-editor-head,.lk-page-panel,.lk-resizer,.lk-side-panel,.lk-sidebar,.lk-tabbar,.lk-toasts,.lk-toolbar{display:none!important}}.lk-library-main{display:flex;flex-direction:column;height:100%}.lk-library-topbar{display:flex;align-items:center;gap:8px;padding:12px 16px;border-bottom:1px solid var(--lk-border-soft);flex-wrap:wrap}.lk-library-title{font-size:17px;font-weight:700;letter-spacing:-.01em;margin:0;white-space:nowrap}.lk-library-search{flex:1;min-width:160px;max-width:420px}.lk-library-selectbar{display:flex;align-items:center;gap:8px;padding:10px 16px;border-bottom:1px solid var(--lk-gold-line);background:var(--lk-gold-soft);flex-wrap:wrap}.lk-library-selectbar strong{font-size:13.5px;white-space:nowrap}.lk-library-filters{display:flex;flex-direction:column;gap:8px;padding:10px 16px;border-bottom:1px solid var(--lk-border-soft)}.lk-library-scroll{flex:1;min-height:0;padding:14px 16px 40px}.lk-rail-scrim{display:none}.lk-doc-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:14px}.lk-doc-card-wrap{position:relative}.lk-doc-card{display:flex;flex-direction:column;width:100%;border:1px solid var(--lk-border-soft);border-radius:var(--lk-radius);background:var(--lk-surface);overflow:hidden;cursor:pointer;text-align:left;transition:border-color var(--lk-ease),transform var(--lk-ease),box-shadow var(--lk-ease);box-shadow:var(--lk-shadow-sm),var(--lk-glow-gold-sm),inset 0 1px 0 rgba(255,255,255,.05)}.lk-doc-card:hover{border-color:var(--lk-gold-line);transform:translateY(-1px);box-shadow:var(--lk-shadow),var(--lk-glow-gold-sm)}.lk-doc-card[data-active=true]{border-color:var(--lk-gold)}.lk-doc-card[data-selected=true]{border-color:var(--lk-gold);box-shadow:0 0 0 2px var(--lk-gold-soft)}.lk-doc-thumb{position:relative;aspect-ratio:1/1;display:grid;place-items:center;background:var(--lk-surface-2);border-bottom:1px solid var(--lk-border-soft);overflow:hidden}.lk-doc-thumb img{width:100%;height:100%;-o-object-fit:contain;object-fit:contain;padding:8px}.lk-doc-thumb img[data-fit=page]{-o-object-fit:cover;object-fit:cover;-o-object-position:top center;object-position:top center;padding:0}.lk-doc-thumb-badges{position:absolute;top:7px;right:7px;display:flex;gap:4px;color:var(--lk-gold)}.lk-doc-card-body{padding:10px 11px}.lk-doc-card-title{font-size:13.5px;font-weight:600;line-height:1.3;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.lk-doc-card-meta{display:flex;justify-content:space-between;gap:6px;margin-top:4px;font-size:11px;color:var(--lk-faint);overflow:hidden}.lk-doc-card-meta span:last-child{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.lk-doc-card-menu{position:absolute;top:6px;right:6px}.lk-doc-card-menu .lk-icon-btn{background:color-mix(in oklab,var(--lk-surface) 65%,transparent);backdrop-filter:blur(3px);border-radius:99px}.lk-doc-check{width:18px;height:18px;border-radius:6px;border:1.5px solid var(--lk-border);background:var(--lk-surface-2);display:grid;place-items:center;flex-shrink:0;color:#16120a}.lk-doc-check-on{background:var(--lk-gold);border-color:var(--lk-gold)}.lk-doc-check-float{position:absolute;top:7px;left:7px;background:var(--lk-surface);box-shadow:var(--lk-shadow)}.lk-notebook-cover-picker{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;width:100%;height:100px;border:1.5px dashed var(--lk-border);border-radius:var(--lk-radius);background:var(--lk-surface-2);color:var(--lk-faint);font-size:12.5px;cursor:pointer;overflow:hidden;margin-bottom:6px;transition:border-color var(--lk-ease)}.lk-notebook-cover-picker:hover{border-color:var(--lk-gold-line)}.lk-notebook-cover-picker img{width:100%;height:100%;-o-object-fit:cover;object-fit:cover}.lk-tabbar{display:flex;align-items:flex-end;gap:2px;padding:6px 12px 0;overflow-x:auto;scrollbar-width:none;border-bottom:1px solid var(--lk-border-soft)}.lk-tabbar::-webkit-scrollbar{display:none}.lk-tab{display:flex;align-items:center;gap:2px;max-width:200px;flex-shrink:0;border-radius:9px 9px 0 0;background:transparent;border:1px solid transparent;border-bottom:none}.lk-tab[data-active=true]{background:var(--lk-surface);border-color:var(--lk-border-soft)}.lk-tab-select{display:flex;align-items:center;gap:6px;min-width:0;padding:7px 4px 7px 10px;border:0;background:transparent;color:var(--lk-muted);cursor:pointer;font-size:12.5px}.lk-tab[data-active=true] .lk-tab-select{color:var(--lk-text)}.lk-tab-label{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.lk-tab-close{display:grid;place-items:center;width:20px;height:20px;margin-right:5px;border:0;border-radius:5px;background:transparent;color:var(--lk-faint);cursor:pointer;flex-shrink:0}.lk-tab-close:hover{background:var(--lk-surface-3);color:var(--lk-text)}.lk-page-count{font-size:9.5px;font-weight:700;min-width:14px;padding:0 3px;border-radius:99px;background:var(--lk-gold);color:#16120a;line-height:14px;text-align:center;margin-left:2px}.lk-page-panel{width:176px;flex-shrink:0;border-right:1px solid var(--lk-border-soft);background:color-mix(in srgb,var(--lk-surface) 55%,transparent);display:flex;flex-direction:column}.lk-page-panel-head{display:flex;align-items:center;gap:4px;padding:8px 8px 8px 12px;font-size:11.5px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--lk-faint);border-bottom:1px solid var(--lk-border-soft)}.lk-page-panel-list{flex:1;min-height:0;padding:8px;display:flex;flex-direction:column;gap:6px}.lk-page-panel-item{display:flex;align-items:center;gap:2px;border-radius:9px;transition:background .12s ease}.lk-page-panel-item[data-active=true]{background:var(--lk-gold-soft)}.lk-page-panel-item[data-dragging=true]{opacity:.4}.lk-page-panel-item[data-drop=before]{box-shadow:inset 0 2px 0 var(--lk-gold)}.lk-page-panel-item[data-drop=after]{box-shadow:inset 0 -2px 0 var(--lk-gold)}.lk-page-panel-select{display:flex;align-items:center;gap:8px;flex:1;min-width:0;padding:6px;border:0;background:transparent;cursor:pointer;text-align:left}.lk-page-thumb{width:34px;height:44px;flex-shrink:0;border-radius:5px;border:1px solid var(--lk-border-soft);background:var(--lk-surface-2);display:grid;place-items:center;overflow:hidden}.lk-page-thumb img{width:100%;height:100%;-o-object-fit:cover;object-fit:cover}.lk-page-panel-label{display:flex;align-items:baseline;gap:5px;font-size:12.5px;color:var(--lk-text);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.lk-page-panel-number{font-size:10.5px;color:var(--lk-faint);font-variant-numeric:tabular-nums;flex-shrink:0}.lk-editor-fullscreen{height:100vh;height:100dvh;display:flex;flex-direction:column;background:var(--lk-bg)}.lk-editor-fullscreen .lk-main{flex:1;min-height:0;display:flex;flex-direction:column}@media (max-width:900px){.lk-library-topbar{padding:10px 12px;gap:6px}.lk-library-title{display:none}.lk-library-selectbar{padding:8px 12px;overflow-x:auto}}.lk-app{-moz-user-select:none;user-select:none;-webkit-user-select:none;-webkit-touch-callout:none}.lk-app .lk-doc,.lk-app .lk-doc-scroll,.lk-app .lk-rt,.lk-app .lk-title-input,.lk-app [contenteditable=true],.lk-app input,.lk-app textarea{-moz-user-select:text;user-select:text;-webkit-user-select:text;-webkit-touch-callout:default}.lk-icon-btn{position:relative}.lk-icon-btn[data-active=true]{background:color-mix(in srgb,var(--lk-gold) 22%,transparent);border-color:var(--lk-gold-line);color:var(--lk-gold-strong);box-shadow:inset 0 0 0 1px var(--lk-gold-line)}.lk-btn:hover:not(:disabled),.lk-chip:hover:not([data-active=true]){background:color-mix(in srgb,var(--lk-text) 8%,var(--lk-surface-2))}.lk-panel-tab:hover:not([data-active=true]){color:var(--lk-text)}.lk-page-panel-item:hover:not([data-active=true]),.lk-tab:hover:not([data-active=true]){background:color-mix(in srgb,var(--lk-text) 8%,var(--lk-surface-2))}.lk-btn:active:not(:disabled),.lk-chip:active,.lk-icon-btn:active:not(:disabled),.lk-menu-item:active,.lk-nav-item:active,.lk-tab-select:active{transform:translateY(1px);background:color-mix(in srgb,var(--lk-text) 14%,var(--lk-surface-2))}.lk-input:focus-visible,.lk-select:focus-visible,.lk-textarea:focus-visible{outline:none;border-color:var(--lk-gold);box-shadow:0 0 0 3px var(--lk-gold-soft)}.lk-title-input:focus-visible{outline:none;border-color:var(--lk-gold);box-shadow:0 0 0 3px var(--lk-gold-soft)}@media (hover:none){.lk-row-actions{opacity:1}.lk-row-actions .lk-icon-btn{color:var(--lk-faint)}.lk-block-handles{position:static;opacity:1;order:-1}}@media (pointer:coarse){.lk-app .lk-icon-btn{width:44px;height:44px}.lk-app .lk-menu-item{padding:12px 11px;font-size:15px}.lk-app .lk-handle{width:44px;height:44px}.lk-app .lk-tab-close{width:36px;height:36px}.lk-app .lk-btn{padding:11px 14px}.lk-app .lk-btn[data-size=sm]{padding:9px 13px;font-size:13px}.lk-app .lk-chip{padding:8px 14px;font-size:13px}.lk-app .lk-library-filters{gap:10px}}