.sidebar{width:300px;background:#252526;border-right:1px solid #1e1e1e;display:flex;flex-direction:column;color:#ccc;-webkit-user-select:none;user-select:none;transition:width .3s ease;position:relative}.sidebar.collapsed{width:0;border-right:none;overflow:hidden}.sidebar.collapsed .logo-text{display:none}.sidebar-toggle-bar{position:fixed;left:300px;top:0;bottom:0;width:12px;background:transparent;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:left .3s ease;z-index:100}.sidebar.collapsed .sidebar-toggle-bar{left:0}.sidebar-toggle-bar:hover{background:#ffffff0d}.sidebar.light .sidebar-toggle-bar:hover{background:#00000008}.toggle-bar-icon{display:flex;align-items:center;justify-content:center;width:20px;height:40px;background:#2d2d30;border-radius:0 4px 4px 0;color:#858585;transition:all .2s;opacity:0}.sidebar.light .toggle-bar-icon{background:#e0e0e0;color:#666}.sidebar-toggle-bar:hover .toggle-bar-icon{opacity:1;color:#1890ff;background:#3e3e42}.sidebar.light .sidebar-toggle-bar:hover .toggle-bar-icon{background:#d0d0d0;color:#1890ff}.toggle-bar-icon svg{flex-shrink:0}.sidebar-header{display:flex;align-items:center;justify-content:space-between;padding:12px 18px;border-bottom:1px solid #1e1e1e;background:#252526;height:56px}.logo-section{display:flex;align-items:center;gap:10px}.logo-text{font-size:14px;font-weight:600;color:#ccc;letter-spacing:.5px;text-transform:uppercase}.header-actions{display:flex;gap:4px;opacity:1;transition:opacity .2s}.collapse-btn{flex-shrink:0}.action-icon{width:28px;height:28px;border:none;background:transparent;color:#ccc;cursor:pointer;display:flex;align-items:center;justify-content:center;border-radius:4px;transition:background .2s;padding:6px}.action-icon:hover{background:#2a2d2e}.action-icon:active{background:#37373d}.file-list{flex:1;overflow-y:auto;padding:4px 0}.tree-item{width:100%}.tree-node{display:flex;align-items:center;padding:0 12px;height:28px;cursor:pointer;color:#ccc;font-size:18px;position:relative;white-space:nowrap}.tree-node:hover{background:#2a2d2e}.tree-node.active,.tree-node.selected,.tree-node.selected:hover,.tree-node.active:hover{background:#37373d}.tree-node svg{flex-shrink:0;margin-right:4px}.chevron-icon{transition:transform .2s;color:#ccc;opacity:.8;margin-right:0}.tree-node:hover .chevron-icon{opacity:1}.folder-node{color:#ccc;font-weight:400}.folder-node svg{color:#c5a568}.file-node{padding-left:8px}.file-node svg{color:#519aba}.tree-children{padding-left:16px}.tree-indent{width:16px;flex-shrink:0}.tree-label{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;padding:0 4px}.rename-input{flex:1;background:#3c3c3c;border:1px solid #007acc;outline:none;color:#ccc;font-size:18px;padding:0 4px;height:22px;margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif}.context-menu{position:fixed;background:#3c3c3c;border:1px solid #454545;box-shadow:0 2px 8px #00000080;border-radius:4px;min-width:180px;padding:4px 0;z-index:1000;font-size:16px}.context-menu-item{padding:6px 16px;cursor:pointer;color:#ccc;display:flex;align-items:center}.context-menu-item:hover{background:#094771}.context-menu-item.danger{color:#f48771}.context-menu-item.danger:hover{background:#5a1d1d}.context-menu-divider{height:1px;background:#454545;margin:4px 0}.file-list::-webkit-scrollbar{width:10px}.file-list::-webkit-scrollbar-track{background:transparent}.file-list::-webkit-scrollbar-thumb{background:#424242;border-radius:10px;border:2px solid #252526}.file-list::-webkit-scrollbar-thumb:hover{background:#4e4e4e}.empty-state{padding:20px;text-align:center;color:#858585;font-size:18px}.sidebar-footer{padding:12px 18px;border-top:1px solid #1e1e1e;background:#252526;display:flex;align-items:center;justify-content:space-between;gap:8px}.footer-left-group{display:flex;align-items:center;gap:4px}.settings-btn{display:flex;align-items:center;justify-content:center;width:32px;height:32px;padding:0;background:transparent;border:none;border-radius:4px;color:#858585;cursor:pointer;transition:all .2s;flex-shrink:0}.settings-btn:hover{background:#2a2d2e;color:#1890ff}.settings-btn svg{width:16px;height:16px}.github-link{display:flex;align-items:center;justify-content:center;width:32px;height:32px;padding:0;background:transparent;border:none;border-radius:4px;color:#858585;cursor:pointer;transition:all .2s;flex-shrink:0;text-decoration:none}.github-link:hover{background:#2a2d2e;color:#1890ff}.github-link svg{width:16px;height:16px}.theme-toggle{display:flex;align-items:center;gap:8px;padding:6px 12px;background:transparent;border:1px solid #454545;border-radius:4px;color:#ccc;cursor:pointer;font-size:14px;transition:all .2s}.theme-toggle:hover{background:#2a2d2e;border-color:#007acc}.theme-toggle svg{width:18px;height:18px}.tree-node.drag-over{background:#094771;border:1px dashed #007acc}.sidebar.light .tree-node.drag-over{background:#e3f2fd;border:1px dashed #90caf9}.tree-node.dragging{opacity:.5}.sidebar.light{background:#f5f5f5;border-right:1px solid #e0e0e0;color:#333}.sidebar.light .sidebar-header{background:#f5f5f5;border-bottom:1px solid #e0e0e0}.sidebar.light .logo-text{color:#333}.sidebar.light .action-icon{color:#666}.sidebar.light .action-icon:hover{background:#e8e8e8}.sidebar.light .action-icon:active{background:#d8d8d8}.sidebar.light .tree-node{color:#333}.sidebar.light .tree-node:hover{background:#e8e8e8}.sidebar.light .tree-node.active,.sidebar.light .tree-node.selected,.sidebar.light .tree-node.selected:hover,.sidebar.light .tree-node.active:hover{background:#d8d8d8}.sidebar.light .folder-node svg{color:#c5a568}.sidebar.light .file-node svg{color:#519aba}.sidebar.light .rename-input{background:#fff;border:1px solid #007acc;color:#333}.sidebar.light .context-menu{background:#fff;border:1px solid #d0d0d0;box-shadow:0 2px 8px #00000026}.sidebar.light .context-menu-item{color:#333}.sidebar.light .context-menu-item:hover{background:#e8f4fd}.sidebar.light .context-menu-item.danger{color:#d32f2f}.sidebar.light .context-menu-item.danger:hover{background:#ffebee}.sidebar.light .context-menu-divider{background:#e0e0e0}.sidebar.light .file-list::-webkit-scrollbar-thumb{background:silver;border:2px solid #f5f5f5}.sidebar.light .file-list::-webkit-scrollbar-thumb:hover{background:#a0a0a0}.sidebar.light .sidebar-footer{background:#f5f5f5;border-top:1px solid #e0e0e0}.sidebar.light .settings-btn{color:#666}.sidebar.light .settings-btn:hover{background:#e8e8e8;color:#1890ff}.sidebar.light .github-link{color:#666}.sidebar.light .github-link:hover{background:#e8e8e8;color:#1890ff}.sidebar.light .theme-toggle{border-color:#d0d0d0;color:#333}.sidebar.light .theme-toggle:hover{background:#e8e8e8;border-color:#1890ff}.multi-select-toolbar{display:flex;align-items:center;justify-content:space-between;padding:8px 12px;background:#094771;border-bottom:1px solid #0e639c;animation:slideDown .2s ease}@keyframes slideDown{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}.select-info{font-size:13px;color:#fff;font-weight:500}.toolbar-actions{display:flex;gap:6px}.toolbar-btn{display:flex;align-items:center;gap:4px;padding:4px 10px;background:#ffffff1a;border:1px solid rgba(255,255,255,.2);border-radius:4px;color:#fff;font-size:12px;cursor:pointer;transition:all .2s}.toolbar-btn:hover{background:#fff3;border-color:#ffffff4d}.toolbar-btn:active{transform:scale(.95)}.toolbar-btn svg{flex-shrink:0}.sidebar.light .multi-select-toolbar{background:#1890ff;border-bottom:1px solid #40a9ff}.sidebar.light .select-info{color:#fff}.sidebar.light .toolbar-btn{background:#fff3;border-color:#ffffff4d;color:#fff}.sidebar.light .toolbar-btn:hover{background:#ffffff4d;border-color:#fff6}.editor-panel{flex:1;display:flex;flex-direction:column;background:#1e1e1e;border-right:1px solid #1e1e1e}.editor-panel.light{background:#fff;border-right:1px solid #e0e0e0}.panel-header{display:flex;align-items:center;justify-content:space-between;padding:12px 24px;border-bottom:1px solid #2d2d30;background:#252526;height:56px}.editor-panel.light .panel-header{background:#f5f5f5;border-bottom:1px solid #e0e0e0}.header-left{display:flex;align-items:center;gap:8px;flex:1}.outline-toggle-btn{width:32px;height:32px;border:none;background:transparent;color:#ccc;cursor:pointer;display:flex;align-items:center;justify-content:center;border-radius:4px;transition:all .2s;flex-shrink:0}.editor-panel.light .outline-toggle-btn{color:#666}.outline-toggle-btn:hover{background:#2a2d2e;color:#1890ff}.editor-panel.light .outline-toggle-btn:hover{background:#e0e0e0;color:#1890ff}.outline-toggle-btn svg{flex-shrink:0}.file-name-input{flex:1;border:none;outline:none;font-size:16px;font-weight:400;color:#ccc;padding:8px 12px;border-radius:4px;background:#252526;width:100%}.editor-panel.light .file-name-input{background:#f5f5f5;color:#333}.file-name-input:focus{background:#2d2d30}.editor-panel.light .file-name-input:focus{background:#fff}.toolbar{display:flex;gap:8px}.btn{padding:8px 16px;border:1px solid #d9d9d9;background:#fff;color:#333;border-radius:4px;cursor:pointer;font-size:14px;transition:all .2s}.btn:hover{border-color:#1890ff;color:#1890ff}.btn-danger{color:#ff4d4f}.btn-danger:hover{border-color:#ff4d4f;background:#fff1f0}.editor-textarea{flex:1;border:none;outline:none;padding:28px;font-family:Consolas,Monaco,Menlo,Ubuntu Mono,monospace;font-size:16px;line-height:1.7;resize:none;color:#d4d4d4;background:#1e1e1e}.editor-textarea::-webkit-scrollbar{width:10px}.editor-textarea::-webkit-scrollbar-track{background:#1e1e1e}.editor-textarea::-webkit-scrollbar-thumb{background:#4e4e4e;border-radius:4px}.editor-textarea::-webkit-scrollbar-thumb:hover{background:#5e5e5e}.editor-panel.light .editor-textarea{background:#fff;color:#333}.editor-panel.light .editor-textarea::-webkit-scrollbar-track{background:#fff}.editor-panel.light .editor-textarea::-webkit-scrollbar-thumb{background:silver}.editor-panel.light .editor-textarea::-webkit-scrollbar-thumb:hover{background:#a0a0a0}.empty-state{flex:1;display:flex;align-items:center;justify-content:center;color:#858585;font-size:15px;background:#1e1e1e}.editor-panel.light .empty-state{background:#fff;color:#999}.toast{position:fixed;top:20px;right:20px;background:#52c41a;color:#fff;padding:12px 20px;border-radius:4px;box-shadow:0 2px 8px #00000026;z-index:1000;animation:slideIn .3s ease}.toast.fade-out{animation:slideOut .3s ease}@keyframes slideOut{0%{transform:translate(0);opacity:1}to{transform:translate(100%);opacity:0}}.format-toolbar{display:flex;gap:4px;background:#2d2d30;border:1px solid #454545;border-radius:6px;padding:6px;box-shadow:0 4px 12px #0000004d;z-index:1000;animation:fadeIn .2s ease}.editor-panel.light .format-toolbar{background:#fff;border:1px solid #d0d0d0;box-shadow:0 4px 12px #00000026}.format-btn{width:32px;height:32px;border:none;background:transparent;color:#ccc;cursor:pointer;display:flex;align-items:center;justify-content:center;border-radius:4px;transition:all .2s;padding:0}.format-btn:hover{background:#3e3e42;color:#fff}.editor-panel.light .format-btn{color:#666}.editor-panel.light .format-btn:hover{background:#f0f0f0;color:#1890ff}.format-btn:active{transform:scale(.95)}@keyframes fadeIn{0%{opacity:0;transform:translateY(-5px)}to{opacity:1;transform:translateY(0)}}.editor-statusbar{display:flex;align-items:center;gap:12px;padding:8px 24px;background:#252526;border-top:1px solid #2d2d30;font-size:13px;color:#858585;height:32px;flex-shrink:0}.editor-panel.light .editor-statusbar{background:#f5f5f5;border-top:1px solid #e0e0e0;color:#666}.statusbar-item{display:flex;align-items:center;white-space:nowrap}.statusbar-separator{color:#3e3e42;-webkit-user-select:none;user-select:none}.editor-panel.light .statusbar-separator{color:#d0d0d0}pre code.hljs{display:block;overflow-x:auto;padding:1em}code.hljs{padding:3px 5px}/*!
  Theme: GitHub Dark
  Description: Dark theme as seen on github.com
  Author: github.com
  Maintainer: @Hirse
  Updated: 2021-05-15

  Outdated base version: https://github.com/primer/github-syntax-dark
  Current colors taken from GitHub's CSS
*/.hljs{color:#c9d1d9;background:#0d1117}.hljs-doctag,.hljs-keyword,.hljs-meta .hljs-keyword,.hljs-template-tag,.hljs-template-variable,.hljs-type,.hljs-variable.language_{color:#ff7b72}.hljs-title,.hljs-title.class_,.hljs-title.class_.inherited__,.hljs-title.function_{color:#d2a8ff}.hljs-attr,.hljs-attribute,.hljs-literal,.hljs-meta,.hljs-number,.hljs-operator,.hljs-variable,.hljs-selector-attr,.hljs-selector-class,.hljs-selector-id{color:#79c0ff}.hljs-regexp,.hljs-string,.hljs-meta .hljs-string{color:#a5d6ff}.hljs-built_in,.hljs-symbol{color:#ffa657}.hljs-comment,.hljs-code,.hljs-formula{color:#8b949e}.hljs-name,.hljs-quote,.hljs-selector-tag,.hljs-selector-pseudo{color:#7ee787}.hljs-subst{color:#c9d1d9}.hljs-section{color:#1f6feb;font-weight:700}.hljs-bullet{color:#f2cc60}.hljs-emphasis{color:#c9d1d9;font-style:italic}.hljs-strong{color:#c9d1d9;font-weight:700}.hljs-addition{color:#aff5b4;background-color:#033a16}.hljs-deletion{color:#ffdcd7;background-color:#67060c}@font-face{font-family:KaTeX_AMS;font-style:normal;font-weight:400;src:url(/FreeEditor/assets/KaTeX_AMS-Regular-BQhdFMY1.woff2) format("woff2"),url(/FreeEditor/assets/KaTeX_AMS-Regular-DMm9YOAa.woff) format("woff"),url(/FreeEditor/assets/KaTeX_AMS-Regular-DRggAlZN.ttf) format("truetype")}@font-face{font-family:KaTeX_Caligraphic;font-style:normal;font-weight:700;src:url(/FreeEditor/assets/KaTeX_Caligraphic-Bold-Dq_IR9rO.woff2) format("woff2"),url(/FreeEditor/assets/KaTeX_Caligraphic-Bold-BEiXGLvX.woff) format("woff"),url(/FreeEditor/assets/KaTeX_Caligraphic-Bold-ATXxdsX0.ttf) format("truetype")}@font-face{font-family:KaTeX_Caligraphic;font-style:normal;font-weight:400;src:url(/FreeEditor/assets/KaTeX_Caligraphic-Regular-Di6jR-x-.woff2) format("woff2"),url(/FreeEditor/assets/KaTeX_Caligraphic-Regular-CTRA-rTL.woff) format("woff"),url(/FreeEditor/assets/KaTeX_Caligraphic-Regular-wX97UBjC.ttf) format("truetype")}@font-face{font-family:KaTeX_Fraktur;font-style:normal;font-weight:700;src:url(/FreeEditor/assets/KaTeX_Fraktur-Bold-CL6g_b3V.woff2) format("woff2"),url(/FreeEditor/assets/KaTeX_Fraktur-Bold-BsDP51OF.woff) format("woff"),url(/FreeEditor/assets/KaTeX_Fraktur-Bold-BdnERNNW.ttf) format("truetype")}@font-face{font-family:KaTeX_Fraktur;font-style:normal;font-weight:400;src:url(/FreeEditor/assets/KaTeX_Fraktur-Regular-CTYiF6lA.woff2) format("woff2"),url(/FreeEditor/assets/KaTeX_Fraktur-Regular-Dxdc4cR9.woff) format("woff"),url(/FreeEditor/assets/KaTeX_Fraktur-Regular-CB_wures.ttf) format("truetype")}@font-face{font-family:KaTeX_Main;font-style:normal;font-weight:700;src:url(/FreeEditor/assets/KaTeX_Main-Bold-Cx986IdX.woff2) format("woff2"),url(/FreeEditor/assets/KaTeX_Main-Bold-Jm3AIy58.woff) format("woff"),url(/FreeEditor/assets/KaTeX_Main-Bold-waoOVXN0.ttf) format("truetype")}@font-face{font-family:KaTeX_Main;font-style:italic;font-weight:700;src:url(/FreeEditor/assets/KaTeX_Main-BoldItalic-DxDJ3AOS.woff2) format("woff2"),url(/FreeEditor/assets/KaTeX_Main-BoldItalic-SpSLRI95.woff) format("woff"),url(/FreeEditor/assets/KaTeX_Main-BoldItalic-DzxPMmG6.ttf) format("truetype")}@font-face{font-family:KaTeX_Main;font-style:italic;font-weight:400;src:url(/FreeEditor/assets/KaTeX_Main-Italic-NWA7e6Wa.woff2) format("woff2"),url(/FreeEditor/assets/KaTeX_Main-Italic-BMLOBm91.woff) format("woff"),url(/FreeEditor/assets/KaTeX_Main-Italic-3WenGoN9.ttf) format("truetype")}@font-face{font-family:KaTeX_Main;font-style:normal;font-weight:400;src:url(/FreeEditor/assets/KaTeX_Main-Regular-B22Nviop.woff2) format("woff2"),url(/FreeEditor/assets/KaTeX_Main-Regular-Dr94JaBh.woff) format("woff"),url(/FreeEditor/assets/KaTeX_Main-Regular-ypZvNtVU.ttf) format("truetype")}@font-face{font-family:KaTeX_Math;font-style:italic;font-weight:700;src:url(/FreeEditor/assets/KaTeX_Math-BoldItalic-CZnvNsCZ.woff2) format("woff2"),url(/FreeEditor/assets/KaTeX_Math-BoldItalic-iY-2wyZ7.woff) format("woff"),url(/FreeEditor/assets/KaTeX_Math-BoldItalic-B3XSjfu4.ttf) format("truetype")}@font-face{font-family:KaTeX_Math;font-style:italic;font-weight:400;src:url(/FreeEditor/assets/KaTeX_Math-Italic-t53AETM-.woff2) format("woff2"),url(/FreeEditor/assets/KaTeX_Math-Italic-DA0__PXp.woff) format("woff"),url(/FreeEditor/assets/KaTeX_Math-Italic-flOr_0UB.ttf) format("truetype")}@font-face{font-family:KaTeX_SansSerif;font-style:normal;font-weight:700;src:url(/FreeEditor/assets/KaTeX_SansSerif-Bold-D1sUS0GD.woff2) format("woff2"),url(/FreeEditor/assets/KaTeX_SansSerif-Bold-DbIhKOiC.woff) format("woff"),url(/FreeEditor/assets/KaTeX_SansSerif-Bold-CFMepnvq.ttf) format("truetype")}@font-face{font-family:KaTeX_SansSerif;font-style:italic;font-weight:400;src:url(/FreeEditor/assets/KaTeX_SansSerif-Italic-C3H0VqGB.woff2) format("woff2"),url(/FreeEditor/assets/KaTeX_SansSerif-Italic-DN2j7dab.woff) format("woff"),url(/FreeEditor/assets/KaTeX_SansSerif-Italic-YYjJ1zSn.ttf) format("truetype")}@font-face{font-family:KaTeX_SansSerif;font-style:normal;font-weight:400;src:url(/FreeEditor/assets/KaTeX_SansSerif-Regular-DDBCnlJ7.woff2) format("woff2"),url(/FreeEditor/assets/KaTeX_SansSerif-Regular-CS6fqUqJ.woff) format("woff"),url(/FreeEditor/assets/KaTeX_SansSerif-Regular-BNo7hRIc.ttf) format("truetype")}@font-face{font-family:KaTeX_Script;font-style:normal;font-weight:400;src:url(/FreeEditor/assets/KaTeX_Script-Regular-D3wIWfF6.woff2) format("woff2"),url(/FreeEditor/assets/KaTeX_Script-Regular-D5yQViql.woff) format("woff"),url(/FreeEditor/assets/KaTeX_Script-Regular-C5JkGWo-.ttf) format("truetype")}@font-face{font-family:KaTeX_Size1;font-style:normal;font-weight:400;src:url(/FreeEditor/assets/KaTeX_Size1-Regular-mCD8mA8B.woff2) format("woff2"),url(/FreeEditor/assets/KaTeX_Size1-Regular-C195tn64.woff) format("woff"),url(/FreeEditor/assets/KaTeX_Size1-Regular-Dbsnue_I.ttf) format("truetype")}@font-face{font-family:KaTeX_Size2;font-style:normal;font-weight:400;src:url(/FreeEditor/assets/KaTeX_Size2-Regular-Dy4dx90m.woff2) format("woff2"),url(/FreeEditor/assets/KaTeX_Size2-Regular-oD1tc_U0.woff) format("woff"),url(/FreeEditor/assets/KaTeX_Size2-Regular-B7gKUWhC.ttf) format("truetype")}@font-face{font-family:KaTeX_Size3;font-style:normal;font-weight:400;src:url(data:font/woff2;base64,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) format("woff2"),url(/FreeEditor/assets/KaTeX_Size3-Regular-CTq5MqoE.woff) format("woff"),url(/FreeEditor/assets/KaTeX_Size3-Regular-DgpXs0kz.ttf) format("truetype")}@font-face{font-family:KaTeX_Size4;font-style:normal;font-weight:400;src:url(/FreeEditor/assets/KaTeX_Size4-Regular-Dl5lxZxV.woff2) format("woff2"),url(/FreeEditor/assets/KaTeX_Size4-Regular-BF-4gkZK.woff) format("woff"),url(/FreeEditor/assets/KaTeX_Size4-Regular-DWFBv043.ttf) format("truetype")}@font-face{font-family:KaTeX_Typewriter;font-style:normal;font-weight:400;src:url(/FreeEditor/assets/KaTeX_Typewriter-Regular-CO6r4hn1.woff2) format("woff2"),url(/FreeEditor/assets/KaTeX_Typewriter-Regular-C0xS9mPB.woff) format("woff"),url(/FreeEditor/assets/KaTeX_Typewriter-Regular-D3Ib7_Hf.ttf) format("truetype")}.katex{font: 1.21em KaTeX_Main,Times New Roman,serif;line-height:1.2;text-indent:0;text-rendering:auto}.katex *{-ms-high-contrast-adjust:none!important;border-color:currentColor}.katex .katex-version:after{content:"0.16.23"}.katex .katex-mathml{clip:rect(1px,1px,1px,1px);border:0;height:1px;overflow:hidden;padding:0;position:absolute;width:1px}.katex .katex-html>.newline{display:block}.katex .base{position:relative;white-space:nowrap;width:-webkit-min-content;width:-moz-min-content;width:min-content}.katex .base,.katex .strut{display:inline-block}.katex .textbf{font-weight:700}.katex .textit{font-style:italic}.katex .textrm{font-family:KaTeX_Main}.katex .textsf{font-family:KaTeX_SansSerif}.katex .texttt{font-family:KaTeX_Typewriter}.katex .mathnormal{font-family:KaTeX_Math;font-style:italic}.katex .mathit{font-family:KaTeX_Main;font-style:italic}.katex .mathrm{font-style:normal}.katex .mathbf{font-family:KaTeX_Main;font-weight:700}.katex .boldsymbol{font-family:KaTeX_Math;font-style:italic;font-weight:700}.katex .amsrm,.katex .mathbb,.katex .textbb{font-family:KaTeX_AMS}.katex .mathcal{font-family:KaTeX_Caligraphic}.katex .mathfrak,.katex .textfrak{font-family:KaTeX_Fraktur}.katex .mathboldfrak,.katex .textboldfrak{font-family:KaTeX_Fraktur;font-weight:700}.katex .mathtt{font-family:KaTeX_Typewriter}.katex .mathscr,.katex .textscr{font-family:KaTeX_Script}.katex .mathsf,.katex .textsf{font-family:KaTeX_SansSerif}.katex .mathboldsf,.katex .textboldsf{font-family:KaTeX_SansSerif;font-weight:700}.katex .mathitsf,.katex .mathsfit,.katex .textitsf{font-family:KaTeX_SansSerif;font-style:italic}.katex .mainrm{font-family:KaTeX_Main;font-style:normal}.katex .vlist-t{border-collapse:collapse;display:inline-table;table-layout:fixed}.katex .vlist-r{display:table-row}.katex .vlist{display:table-cell;position:relative;vertical-align:bottom}.katex .vlist>span{display:block;height:0;position:relative}.katex .vlist>span>span{display:inline-block}.katex .vlist>span>.pstrut{overflow:hidden;width:0}.katex .vlist-t2{margin-right:-2px}.katex .vlist-s{display:table-cell;font-size:1px;min-width:2px;vertical-align:bottom;width:2px}.katex .vbox{align-items:baseline;display:inline-flex;flex-direction:column}.katex .hbox{width:100%}.katex .hbox,.katex .thinbox{display:inline-flex;flex-direction:row}.katex .thinbox{max-width:0;width:0}.katex .msupsub{text-align:left}.katex .mfrac>span>span{text-align:center}.katex .mfrac .frac-line{border-bottom-style:solid;display:inline-block;width:100%}.katex .hdashline,.katex .hline,.katex .mfrac .frac-line,.katex .overline .overline-line,.katex .rule,.katex .underline .underline-line{min-height:1px}.katex .mspace{display:inline-block}.katex .clap,.katex .llap,.katex .rlap{position:relative;width:0}.katex .clap>.inner,.katex .llap>.inner,.katex .rlap>.inner{position:absolute}.katex .clap>.fix,.katex .llap>.fix,.katex .rlap>.fix{display:inline-block}.katex .llap>.inner{right:0}.katex .clap>.inner,.katex .rlap>.inner{left:0}.katex .clap>.inner>span{margin-left:-50%;margin-right:50%}.katex .rule{border:0 solid;display:inline-block;position:relative}.katex .hline,.katex .overline .overline-line,.katex .underline .underline-line{border-bottom-style:solid;display:inline-block;width:100%}.katex .hdashline{border-bottom-style:dashed;display:inline-block;width:100%}.katex .sqrt>.root{margin-left:.2777777778em;margin-right:-.5555555556em}.katex .fontsize-ensurer.reset-size1.size1,.katex .sizing.reset-size1.size1{font-size:1em}.katex .fontsize-ensurer.reset-size1.size2,.katex .sizing.reset-size1.size2{font-size:1.2em}.katex .fontsize-ensurer.reset-size1.size3,.katex .sizing.reset-size1.size3{font-size:1.4em}.katex .fontsize-ensurer.reset-size1.size4,.katex .sizing.reset-size1.size4{font-size:1.6em}.katex .fontsize-ensurer.reset-size1.size5,.katex .sizing.reset-size1.size5{font-size:1.8em}.katex .fontsize-ensurer.reset-size1.size6,.katex .sizing.reset-size1.size6{font-size:2em}.katex .fontsize-ensurer.reset-size1.size7,.katex .sizing.reset-size1.size7{font-size:2.4em}.katex .fontsize-ensurer.reset-size1.size8,.katex .sizing.reset-size1.size8{font-size:2.88em}.katex .fontsize-ensurer.reset-size1.size9,.katex .sizing.reset-size1.size9{font-size:3.456em}.katex .fontsize-ensurer.reset-size1.size10,.katex .sizing.reset-size1.size10{font-size:4.148em}.katex .fontsize-ensurer.reset-size1.size11,.katex .sizing.reset-size1.size11{font-size:4.976em}.katex .fontsize-ensurer.reset-size2.size1,.katex .sizing.reset-size2.size1{font-size:.8333333333em}.katex .fontsize-ensurer.reset-size2.size2,.katex .sizing.reset-size2.size2{font-size:1em}.katex .fontsize-ensurer.reset-size2.size3,.katex .sizing.reset-size2.size3{font-size:1.1666666667em}.katex .fontsize-ensurer.reset-size2.size4,.katex .sizing.reset-size2.size4{font-size:1.3333333333em}.katex .fontsize-ensurer.reset-size2.size5,.katex .sizing.reset-size2.size5{font-size:1.5em}.katex .fontsize-ensurer.reset-size2.size6,.katex .sizing.reset-size2.size6{font-size:1.6666666667em}.katex .fontsize-ensurer.reset-size2.size7,.katex .sizing.reset-size2.size7{font-size:2em}.katex .fontsize-ensurer.reset-size2.size8,.katex .sizing.reset-size2.size8{font-size:2.4em}.katex .fontsize-ensurer.reset-size2.size9,.katex .sizing.reset-size2.size9{font-size:2.88em}.katex .fontsize-ensurer.reset-size2.size10,.katex .sizing.reset-size2.size10{font-size:3.4566666667em}.katex .fontsize-ensurer.reset-size2.size11,.katex .sizing.reset-size2.size11{font-size:4.1466666667em}.katex .fontsize-ensurer.reset-size3.size1,.katex .sizing.reset-size3.size1{font-size:.7142857143em}.katex .fontsize-ensurer.reset-size3.size2,.katex .sizing.reset-size3.size2{font-size:.8571428571em}.katex .fontsize-ensurer.reset-size3.size3,.katex .sizing.reset-size3.size3{font-size:1em}.katex .fontsize-ensurer.reset-size3.size4,.katex .sizing.reset-size3.size4{font-size:1.1428571429em}.katex .fontsize-ensurer.reset-size3.size5,.katex .sizing.reset-size3.size5{font-size:1.2857142857em}.katex .fontsize-ensurer.reset-size3.size6,.katex .sizing.reset-size3.size6{font-size:1.4285714286em}.katex .fontsize-ensurer.reset-size3.size7,.katex .sizing.reset-size3.size7{font-size:1.7142857143em}.katex .fontsize-ensurer.reset-size3.size8,.katex .sizing.reset-size3.size8{font-size:2.0571428571em}.katex .fontsize-ensurer.reset-size3.size9,.katex .sizing.reset-size3.size9{font-size:2.4685714286em}.katex .fontsize-ensurer.reset-size3.size10,.katex .sizing.reset-size3.size10{font-size:2.9628571429em}.katex .fontsize-ensurer.reset-size3.size11,.katex .sizing.reset-size3.size11{font-size:3.5542857143em}.katex .fontsize-ensurer.reset-size4.size1,.katex .sizing.reset-size4.size1{font-size:.625em}.katex .fontsize-ensurer.reset-size4.size2,.katex .sizing.reset-size4.size2{font-size:.75em}.katex .fontsize-ensurer.reset-size4.size3,.katex .sizing.reset-size4.size3{font-size:.875em}.katex .fontsize-ensurer.reset-size4.size4,.katex .sizing.reset-size4.size4{font-size:1em}.katex .fontsize-ensurer.reset-size4.size5,.katex .sizing.reset-size4.size5{font-size:1.125em}.katex .fontsize-ensurer.reset-size4.size6,.katex .sizing.reset-size4.size6{font-size:1.25em}.katex .fontsize-ensurer.reset-size4.size7,.katex .sizing.reset-size4.size7{font-size:1.5em}.katex .fontsize-ensurer.reset-size4.size8,.katex .sizing.reset-size4.size8{font-size:1.8em}.katex .fontsize-ensurer.reset-size4.size9,.katex .sizing.reset-size4.size9{font-size:2.16em}.katex .fontsize-ensurer.reset-size4.size10,.katex .sizing.reset-size4.size10{font-size:2.5925em}.katex .fontsize-ensurer.reset-size4.size11,.katex .sizing.reset-size4.size11{font-size:3.11em}.katex .fontsize-ensurer.reset-size5.size1,.katex .sizing.reset-size5.size1{font-size:.5555555556em}.katex .fontsize-ensurer.reset-size5.size2,.katex .sizing.reset-size5.size2{font-size:.6666666667em}.katex .fontsize-ensurer.reset-size5.size3,.katex .sizing.reset-size5.size3{font-size:.7777777778em}.katex .fontsize-ensurer.reset-size5.size4,.katex .sizing.reset-size5.size4{font-size:.8888888889em}.katex .fontsize-ensurer.reset-size5.size5,.katex .sizing.reset-size5.size5{font-size:1em}.katex .fontsize-ensurer.reset-size5.size6,.katex .sizing.reset-size5.size6{font-size:1.1111111111em}.katex .fontsize-ensurer.reset-size5.size7,.katex .sizing.reset-size5.size7{font-size:1.3333333333em}.katex .fontsize-ensurer.reset-size5.size8,.katex .sizing.reset-size5.size8{font-size:1.6em}.katex .fontsize-ensurer.reset-size5.size9,.katex .sizing.reset-size5.size9{font-size:1.92em}.katex .fontsize-ensurer.reset-size5.size10,.katex .sizing.reset-size5.size10{font-size:2.3044444444em}.katex .fontsize-ensurer.reset-size5.size11,.katex .sizing.reset-size5.size11{font-size:2.7644444444em}.katex .fontsize-ensurer.reset-size6.size1,.katex .sizing.reset-size6.size1{font-size:.5em}.katex .fontsize-ensurer.reset-size6.size2,.katex .sizing.reset-size6.size2{font-size:.6em}.katex .fontsize-ensurer.reset-size6.size3,.katex .sizing.reset-size6.size3{font-size:.7em}.katex .fontsize-ensurer.reset-size6.size4,.katex .sizing.reset-size6.size4{font-size:.8em}.katex .fontsize-ensurer.reset-size6.size5,.katex .sizing.reset-size6.size5{font-size:.9em}.katex .fontsize-ensurer.reset-size6.size6,.katex .sizing.reset-size6.size6{font-size:1em}.katex .fontsize-ensurer.reset-size6.size7,.katex .sizing.reset-size6.size7{font-size:1.2em}.katex .fontsize-ensurer.reset-size6.size8,.katex .sizing.reset-size6.size8{font-size:1.44em}.katex .fontsize-ensurer.reset-size6.size9,.katex .sizing.reset-size6.size9{font-size:1.728em}.katex .fontsize-ensurer.reset-size6.size10,.katex .sizing.reset-size6.size10{font-size:2.074em}.katex .fontsize-ensurer.reset-size6.size11,.katex .sizing.reset-size6.size11{font-size:2.488em}.katex .fontsize-ensurer.reset-size7.size1,.katex .sizing.reset-size7.size1{font-size:.4166666667em}.katex .fontsize-ensurer.reset-size7.size2,.katex .sizing.reset-size7.size2{font-size:.5em}.katex .fontsize-ensurer.reset-size7.size3,.katex .sizing.reset-size7.size3{font-size:.5833333333em}.katex .fontsize-ensurer.reset-size7.size4,.katex .sizing.reset-size7.size4{font-size:.6666666667em}.katex .fontsize-ensurer.reset-size7.size5,.katex .sizing.reset-size7.size5{font-size:.75em}.katex .fontsize-ensurer.reset-size7.size6,.katex .sizing.reset-size7.size6{font-size:.8333333333em}.katex .fontsize-ensurer.reset-size7.size7,.katex .sizing.reset-size7.size7{font-size:1em}.katex .fontsize-ensurer.reset-size7.size8,.katex .sizing.reset-size7.size8{font-size:1.2em}.katex .fontsize-ensurer.reset-size7.size9,.katex .sizing.reset-size7.size9{font-size:1.44em}.katex .fontsize-ensurer.reset-size7.size10,.katex .sizing.reset-size7.size10{font-size:1.7283333333em}.katex .fontsize-ensurer.reset-size7.size11,.katex .sizing.reset-size7.size11{font-size:2.0733333333em}.katex .fontsize-ensurer.reset-size8.size1,.katex .sizing.reset-size8.size1{font-size:.3472222222em}.katex .fontsize-ensurer.reset-size8.size2,.katex .sizing.reset-size8.size2{font-size:.4166666667em}.katex .fontsize-ensurer.reset-size8.size3,.katex .sizing.reset-size8.size3{font-size:.4861111111em}.katex .fontsize-ensurer.reset-size8.size4,.katex .sizing.reset-size8.size4{font-size:.5555555556em}.katex .fontsize-ensurer.reset-size8.size5,.katex .sizing.reset-size8.size5{font-size:.625em}.katex .fontsize-ensurer.reset-size8.size6,.katex .sizing.reset-size8.size6{font-size:.6944444444em}.katex .fontsize-ensurer.reset-size8.size7,.katex .sizing.reset-size8.size7{font-size:.8333333333em}.katex .fontsize-ensurer.reset-size8.size8,.katex .sizing.reset-size8.size8{font-size:1em}.katex .fontsize-ensurer.reset-size8.size9,.katex .sizing.reset-size8.size9{font-size:1.2em}.katex .fontsize-ensurer.reset-size8.size10,.katex .sizing.reset-size8.size10{font-size:1.4402777778em}.katex .fontsize-ensurer.reset-size8.size11,.katex .sizing.reset-size8.size11{font-size:1.7277777778em}.katex .fontsize-ensurer.reset-size9.size1,.katex .sizing.reset-size9.size1{font-size:.2893518519em}.katex .fontsize-ensurer.reset-size9.size2,.katex .sizing.reset-size9.size2{font-size:.3472222222em}.katex .fontsize-ensurer.reset-size9.size3,.katex .sizing.reset-size9.size3{font-size:.4050925926em}.katex .fontsize-ensurer.reset-size9.size4,.katex .sizing.reset-size9.size4{font-size:.462962963em}.katex .fontsize-ensurer.reset-size9.size5,.katex .sizing.reset-size9.size5{font-size:.5208333333em}.katex .fontsize-ensurer.reset-size9.size6,.katex .sizing.reset-size9.size6{font-size:.5787037037em}.katex .fontsize-ensurer.reset-size9.size7,.katex .sizing.reset-size9.size7{font-size:.6944444444em}.katex .fontsize-ensurer.reset-size9.size8,.katex .sizing.reset-size9.size8{font-size:.8333333333em}.katex .fontsize-ensurer.reset-size9.size9,.katex .sizing.reset-size9.size9{font-size:1em}.katex .fontsize-ensurer.reset-size9.size10,.katex .sizing.reset-size9.size10{font-size:1.2002314815em}.katex .fontsize-ensurer.reset-size9.size11,.katex .sizing.reset-size9.size11{font-size:1.4398148148em}.katex .fontsize-ensurer.reset-size10.size1,.katex .sizing.reset-size10.size1{font-size:.2410800386em}.katex .fontsize-ensurer.reset-size10.size2,.katex .sizing.reset-size10.size2{font-size:.2892960463em}.katex .fontsize-ensurer.reset-size10.size3,.katex .sizing.reset-size10.size3{font-size:.337512054em}.katex .fontsize-ensurer.reset-size10.size4,.katex .sizing.reset-size10.size4{font-size:.3857280617em}.katex .fontsize-ensurer.reset-size10.size5,.katex .sizing.reset-size10.size5{font-size:.4339440694em}.katex .fontsize-ensurer.reset-size10.size6,.katex .sizing.reset-size10.size6{font-size:.4821600771em}.katex .fontsize-ensurer.reset-size10.size7,.katex .sizing.reset-size10.size7{font-size:.5785920926em}.katex .fontsize-ensurer.reset-size10.size8,.katex .sizing.reset-size10.size8{font-size:.6943105111em}.katex .fontsize-ensurer.reset-size10.size9,.katex .sizing.reset-size10.size9{font-size:.8331726133em}.katex .fontsize-ensurer.reset-size10.size10,.katex .sizing.reset-size10.size10{font-size:1em}.katex .fontsize-ensurer.reset-size10.size11,.katex .sizing.reset-size10.size11{font-size:1.1996142719em}.katex .fontsize-ensurer.reset-size11.size1,.katex .sizing.reset-size11.size1{font-size:.2009646302em}.katex .fontsize-ensurer.reset-size11.size2,.katex .sizing.reset-size11.size2{font-size:.2411575563em}.katex .fontsize-ensurer.reset-size11.size3,.katex .sizing.reset-size11.size3{font-size:.2813504823em}.katex .fontsize-ensurer.reset-size11.size4,.katex .sizing.reset-size11.size4{font-size:.3215434084em}.katex .fontsize-ensurer.reset-size11.size5,.katex .sizing.reset-size11.size5{font-size:.3617363344em}.katex .fontsize-ensurer.reset-size11.size6,.katex .sizing.reset-size11.size6{font-size:.4019292605em}.katex .fontsize-ensurer.reset-size11.size7,.katex .sizing.reset-size11.size7{font-size:.4823151125em}.katex .fontsize-ensurer.reset-size11.size8,.katex .sizing.reset-size11.size8{font-size:.578778135em}.katex .fontsize-ensurer.reset-size11.size9,.katex .sizing.reset-size11.size9{font-size:.6945337621em}.katex .fontsize-ensurer.reset-size11.size10,.katex .sizing.reset-size11.size10{font-size:.8336012862em}.katex .fontsize-ensurer.reset-size11.size11,.katex .sizing.reset-size11.size11{font-size:1em}.katex .delimsizing.size1{font-family:KaTeX_Size1}.katex .delimsizing.size2{font-family:KaTeX_Size2}.katex .delimsizing.size3{font-family:KaTeX_Size3}.katex .delimsizing.size4{font-family:KaTeX_Size4}.katex .delimsizing.mult .delim-size1>span{font-family:KaTeX_Size1}.katex .delimsizing.mult .delim-size4>span{font-family:KaTeX_Size4}.katex .nulldelimiter{display:inline-block;width:.12em}.katex .delimcenter,.katex .op-symbol{position:relative}.katex .op-symbol.small-op{font-family:KaTeX_Size1}.katex .op-symbol.large-op{font-family:KaTeX_Size2}.katex .accent>.vlist-t,.katex .op-limits>.vlist-t{text-align:center}.katex .accent .accent-body{position:relative}.katex .accent .accent-body:not(.accent-full){width:0}.katex .overlay{display:block}.katex .mtable .vertical-separator{display:inline-block;min-width:1px}.katex .mtable .arraycolsep{display:inline-block}.katex .mtable .col-align-c>.vlist-t{text-align:center}.katex .mtable .col-align-l>.vlist-t{text-align:left}.katex .mtable .col-align-r>.vlist-t{text-align:right}.katex .svg-align{text-align:left}.katex svg{fill:currentColor;stroke:currentColor;fill-rule:nonzero;fill-opacity:1;stroke-width:1;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1;display:block;height:inherit;position:absolute;width:100%}.katex svg path{stroke:none}.katex img{border-style:none;max-height:none;max-width:none;min-height:0;min-width:0}.katex .stretchy{display:block;overflow:hidden;position:relative;width:100%}.katex .stretchy:after,.katex .stretchy:before{content:""}.katex .hide-tail{overflow:hidden;position:relative;width:100%}.katex .halfarrow-left{left:0;overflow:hidden;position:absolute;width:50.2%}.katex .halfarrow-right{overflow:hidden;position:absolute;right:0;width:50.2%}.katex .brace-left{left:0;overflow:hidden;position:absolute;width:25.1%}.katex .brace-center{left:25%;overflow:hidden;position:absolute;width:50%}.katex .brace-right{overflow:hidden;position:absolute;right:0;width:25.1%}.katex .x-arrow-pad{padding:0 .5em}.katex .cd-arrow-pad{padding:0 .55556em 0 .27778em}.katex .mover,.katex .munder,.katex .x-arrow{text-align:center}.katex .boxpad{padding:0 .3em}.katex .fbox,.katex .fcolorbox{border:.04em solid;box-sizing:border-box}.katex .cancel-pad{padding:0 .2em}.katex .cancel-lap{margin-left:-.2em;margin-right:-.2em}.katex .sout{border-bottom-style:solid;border-bottom-width:.08em}.katex .angl{border-right:.049em solid;border-top:.049em solid;box-sizing:border-box;margin-right:.03889em}.katex .anglpad{padding:0 .03889em}.katex .eqn-num:before{content:"(" counter(katexEqnNo) ")";counter-increment:katexEqnNo}.katex .mml-eqn-num:before{content:"(" counter(mmlEqnNo) ")";counter-increment:mmlEqnNo}.katex .mtr-glue{width:50%}.katex .cd-vert-arrow{display:inline-block;position:relative}.katex .cd-label-left{display:inline-block;position:absolute;right:calc(50% + .3em);text-align:left}.katex .cd-label-right{display:inline-block;left:calc(50% + .3em);position:absolute;text-align:right}.katex-display{display:block;margin:1em 0;text-align:center}.katex-display>.katex{display:block;text-align:center;white-space:nowrap}.katex-display>.katex>.katex-html{display:block;position:relative}.katex-display>.katex>.katex-html>.tag{position:absolute;right:0}.katex-display.leqno>.katex>.katex-html>.tag{left:0;right:auto}.katex-display.fleqn>.katex{padding-left:2em;text-align:left}body{counter-reset:katexEqnNo mmlEqnNo}.preview-panel{flex:1;display:flex;flex-direction:column;background:#1e1e1e}.preview-panel.light{background:#f5f5f5}.math-error{color:#f56c6c;background:#2d2d30;padding:4px 8px;border-radius:4px;font-family:monospace;display:inline-block}.preview-panel.light .math-error{background:#ffebee;color:#d32f2f}.preview-panel .katex{color:#d4d4d4}.preview-panel.light .katex{color:#333}.preview-panel .panel-header{display:flex;align-items:center;justify-content:space-between;padding:12px 24px;border-bottom:1px solid #1e1e1e;background:#252526;height:56px}.preview-panel.light .panel-header{background:#fff;border-bottom:1px solid #e0e0e0}.preview-panel .panel-header .header-actions{display:flex;gap:8px}.preview-panel .panel-header h3{font-size:14px;font-weight:600;color:#ccc;text-transform:uppercase;letter-spacing:.5px}.preview-panel.light .panel-header h3{color:#333}.preview-toggle-btn{width:36px;height:36px;border:none;background:transparent;color:#ccc;cursor:pointer;display:flex;align-items:center;justify-content:center;border-radius:4px;transition:all .2s;flex-shrink:0}.preview-panel.light .preview-toggle-btn{color:#666}.preview-toggle-btn svg{width:20px;height:20px;flex-shrink:0;fill:currentColor}.preview-toggle-btn:hover{background:#2a2d2e;color:#1890ff}.preview-panel.light .preview-toggle-btn:hover{background:#f0f0f0;color:#1890ff}.preview-content{flex:1;display:flex;overflow:hidden}.style-panel-right{width:320px;background:#2d2d30;border-left:1px solid #3e3e42;display:flex;flex-direction:column;overflow:hidden}.preview-panel.light .style-panel-right{background:#fff;border-left:1px solid #e0e0e0}.style-panel-footer{padding:12px 16px;border-top:1px solid #3e3e42;background:#252526;flex-shrink:0}.preview-panel.light .style-panel-footer{border-top-color:#e0e0e0;background:#f5f5f5}.open-style-editor-btn{width:100%;padding:10px 16px;background:#1890ff;border:none;border-radius:6px;color:#fff;font-size:13px;font-weight:600;cursor:pointer;display:flex;align-items:center;justify-content:center;gap:8px;transition:all .2s}.open-style-editor-btn:hover{background:#40a9ff;box-shadow:0 2px 8px #1890ff66}.open-style-editor-btn svg{flex-shrink:0}.style-tabs{display:flex;background:#252526;border-bottom:1px solid #3e3e42;padding:0;overflow-x:auto;flex-shrink:0}.preview-panel.light .style-tabs{background:#f5f5f5;border-bottom:1px solid #e0e0e0}.style-tabs::-webkit-scrollbar{height:3px}.style-tabs::-webkit-scrollbar-track{background:#1e1e1e}.preview-panel.light .style-tabs::-webkit-scrollbar-track{background:#e0e0e0}.style-tabs::-webkit-scrollbar-thumb{background:#4e4e4e}.preview-panel.light .style-tabs::-webkit-scrollbar-thumb{background:#bbb}.style-tab{padding:12px;background:transparent;border:none;color:#9d9d9d;font-size:12px;font-weight:500;cursor:pointer;transition:all .2s;border-bottom:2px solid transparent;white-space:nowrap;text-transform:uppercase;letter-spacing:.3px}.preview-panel.light .style-tab{color:#666}.style-tab:hover{color:#ccc;background:#2a2d2e}.preview-panel.light .style-tab:hover{color:#333;background:#eaeaea}.style-tab.active{color:#1890ff;border-bottom-color:#1890ff}.style-tab-content{flex:1;overflow-y:auto;padding:16px}.style-tab-content::-webkit-scrollbar{width:8px}.style-tab-content::-webkit-scrollbar-track{background:#1e1e1e}.preview-panel.light .style-tab-content::-webkit-scrollbar-track{background:#f0f0f0}.style-tab-content::-webkit-scrollbar-thumb{background:#4e4e4e;border-radius:4px}.preview-panel.light .style-tab-content::-webkit-scrollbar-thumb{background:#ccc;border-radius:4px}.style-tab-content::-webkit-scrollbar-thumb:hover{background:#5e5e5e}.preview-panel.light .style-tab-content::-webkit-scrollbar-thumb:hover{background:#aaa}.style-section{display:flex;flex-direction:column;gap:8px;margin-bottom:20px}.style-section:last-child{margin-bottom:0}.style-section label{font-size:12px;color:#9d9d9d;text-transform:uppercase;font-weight:600;letter-spacing:.5px;margin-bottom:4px}.preview-panel.light .style-section label{color:#666}.heading-level-section{margin-bottom:24px}.heading-level-header{display:flex;align-items:center;gap:10px;padding:12px 14px;background:#2a2d2e;border-radius:6px;cursor:pointer;transition:all .2s;font-size:13px;font-weight:600;color:#ccc;margin-bottom:12px;border:1px solid #3e3e42}.preview-panel.light .heading-level-header{background:#f5f5f5;color:#333;border-color:#d0d0d0}.heading-level-header:hover{background:#323639;border-color:#1890ff;color:#1890ff}.preview-panel.light .heading-level-header:hover{background:#e8e8e8;border-color:#1890ff;color:#1890ff}.heading-level-header svg{flex-shrink:0}.heading-level-header span:first-of-type{flex:1}.heading-count{font-size:11px;color:#858585;font-weight:400}.preview-panel.light .heading-count{color:#999}.heading-level-content{padding-left:12px;margin-top:8px}.style-category{margin-bottom:16px}.category-header{display:flex;align-items:center;gap:8px;padding:8px 12px;background:transparent;border-left:3px solid #3e3e42;cursor:default;font-size:11px;font-weight:600;color:#9d9d9d;margin-bottom:8px;text-transform:uppercase;letter-spacing:.8px}.preview-panel.light .category-header{background:transparent;color:#666;border-left-color:#d0d0d0}.category-header span:first-of-type{flex:1}.category-count{font-size:10px;color:#858585;font-weight:400}.preview-panel.light .category-count{color:#999}.customize-tab{background:transparent!important;color:#9d9d9d!important;border-bottom-color:transparent!important;display:flex;align-items:center;justify-content:center;gap:6px;margin-left:auto;padding:12px 14px!important;min-width:44px}.customize-tab:hover{background:#2a2d2e!important;color:#1890ff!important}.preview-panel.light .customize-tab{color:#666!important}.preview-panel.light .customize-tab:hover{background:#eaeaea!important;color:#1890ff!important}.customize-tab.active{color:#1890ff!important;border-bottom-color:#1890ff!important}.customize-tab svg{width:16px;height:16px}.style-editor-body{flex:1;display:flex;overflow:hidden}.style-editor-nav{width:150px;background:#252526;border-right:1px solid #3e3e42;padding:8px 0;flex-shrink:0;display:flex;flex-direction:column;gap:2px}.preview-panel.light .style-editor-nav{background:#f5f5f5;border-right-color:#e0e0e0}.nav-item{padding:10px 16px;background:transparent;border:none;border-left:3px solid transparent;color:#ccc;font-size:13px;text-align:left;cursor:pointer;transition:all .2s}.preview-panel.light .nav-item{color:#666}.nav-item:hover{background:#2a2d2e;border-left-color:#1890ff;color:#1890ff}.preview-panel.light .nav-item:hover{background:#e8e8e8;border-left-color:#1890ff;color:#1890ff}.nav-item.active{background:#2a2d2e;border-left-color:#1890ff;color:#1890ff;font-weight:600}.preview-panel.light .nav-item.active{background:#e0f2ff;border-left-color:#1890ff;color:#1890ff}.style-editor-overlay{position:fixed;inset:0;background:#0009;display:flex;align-items:center;justify-content:center;z-index:10001;animation:fadeIn .2s ease}.style-editor-dialog{background:#2d2d30;border-radius:8px;width:600px;max-width:90vw;max-height:80vh;display:flex;flex-direction:column;box-shadow:0 8px 32px #0006;animation:slideUp .3s ease}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.preview-panel.light .style-editor-dialog{background:#fff}.style-editor-header{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;border-bottom:1px solid #3e3e42}.preview-panel.light .style-editor-header{border-bottom-color:#e0e0e0}.style-editor-header h3{font-size:16px;font-weight:600;color:#ccc;margin:0}.preview-panel.light .style-editor-header h3{color:#333}.close-btn{width:28px;height:28px;border:none;background:transparent;color:#858585;cursor:pointer;border-radius:4px;display:flex;align-items:center;justify-content:center;transition:all .2s}.preview-panel.light .close-btn:hover{background:#f0f0f0;color:#333}.style-editor-content{flex:1;overflow-y:auto;padding:20px}.style-editor-content::-webkit-scrollbar{width:8px}.style-editor-content::-webkit-scrollbar-track{background:#1e1e1e}.preview-panel.light .style-editor-content::-webkit-scrollbar-track{background:#f0f0f0}.style-editor-content::-webkit-scrollbar-thumb{background:#4e4e4e;border-radius:4px}.preview-panel.light .style-editor-content::-webkit-scrollbar-thumb{background:#ccc}.style-props-grid{display:grid;grid-template-columns:1fr;gap:16px}.style-prop-item{display:flex;flex-direction:column;gap:6px}.style-prop-item label{font-size:12px;color:#9d9d9d;font-weight:500;text-transform:none;letter-spacing:normal}.preview-panel.light .style-prop-item label{color:#666}.style-prop-input{width:100%;padding:8px 12px;background:#252526;border:1px solid #3e3e42;border-radius:4px;color:#ccc;font-size:13px;font-family:Consolas,Monaco,monospace;transition:all .2s}.preview-panel.light .style-prop-input{background:#fff;border-color:#d0d0d0;color:#333}.style-prop-input:focus{outline:none;border-color:#1890ff;background:#2a2d2e}.preview-panel.light .style-prop-input:focus{background:#f8f8f8;border-color:#1890ff}.style-prop-color{width:40px;height:32px;border:1px solid #3e3e42;border-radius:4px;cursor:pointer;background:#252526;padding:2px}.style-prop-color::-webkit-color-swatch-wrapper{padding:0}.style-prop-color::-webkit-color-swatch{border:none;border-radius:2px}.preview-panel.light .style-prop-color{border-color:#d0d0d0;background:#fff}.style-prop-input[type=text],select.style-prop-input{width:100%;padding:8px 12px;background:#252526;border:1px solid #3e3e42;border-radius:4px;color:#ccc;font-size:13px;font-family:Consolas,Monaco,monospace;transition:all .2s}select.style-prop-input{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,sans-serif;cursor:pointer}.preview-panel.light select.style-prop-input{background:#fff;border-color:#d0d0d0;color:#333}.style-editor-footer{display:flex;justify-content:flex-end;padding:16px 20px;border-top:1px solid #3e3e42;background:#252526!important;gap:12px}.preview-panel.light .style-editor-footer{border-top-color:#e0e0e0;background:#f5f5f5!important}.btn-secondary{padding:8px 16px;background:transparent;border:1px solid #3e3e42;border-radius:4px;color:#ccc;font-size:13px;cursor:pointer;transition:all .2s}.preview-panel.light .btn-secondary{border-color:#d0d0d0;color:#333}.btn-secondary:hover{background:#2a2d2e;border-color:#1890ff;color:#1890ff}.preview-panel.light .btn-secondary:hover{background:#f0f0f0}.btn-primary{padding:0 12px;background:transparent!important;border:1px solid #666!important;border-radius:4px;color:#ccc;font-size:13px;font-weight:500;cursor:pointer;transition:all .2s;height:36px;display:flex;align-items:center;justify-content:center}.preview-panel.light .btn-primary{color:#666;border-color:#d0d0d0!important}.btn-primary:hover{background:#2a2d2e!important;color:#1890ff;border-color:#1890ff!important}.preview-panel.light .btn-primary:hover{background:#f0f0f0!important;color:#1890ff;border-color:#1890ff!important}.element-style-section{padding-bottom:24px;margin-bottom:24px;border-bottom:1px solid #3e3e42}.preview-panel.light .element-style-section{border-bottom-color:#e0e0e0}.element-style-section:last-child{border-bottom:none;margin-bottom:0}.element-style-section h4{font-size:14px;font-weight:600;color:#1890ff;margin:0 0 16px;padding-bottom:8px;border-bottom:2px solid #1890ff}.style-gallery{display:grid;grid-template-columns:1fr;gap:8px;padding:4px}.style-card{background:#252526;border:2px solid #3e3e42;border-radius:6px;padding:12px;cursor:pointer;transition:all .2s;position:relative;overflow:hidden}.preview-panel.light .style-card{background:#f8f8f8;border:2px solid #e0e0e0}.style-card:hover{border-color:#1890ff;background:#2a2d2e;transform:translateY(-2px);box-shadow:0 4px 12px #1890ff26}.preview-panel.light .style-card:hover{background:#f0f0f0;border-color:#1890ff}.style-card.active{border-color:#1890ff;background:#2a2d2e;box-shadow:0 0 0 1px #1890ff}.preview-panel.light .style-card.active{background:#e8f4fd;border-color:#1890ff}.style-card-name{font-size:11px;color:#9d9d9d;margin-bottom:8px;font-weight:500}.preview-panel.light .style-card-name{color:#666}.style-card.active .style-card-name{color:#1890ff}.style-card-preview{background:#fff;padding:8px;border-radius:4px;font-size:12px;line-height:1.4;color:#333;overflow:hidden;text-overflow:ellipsis}.style-card-preview.h1-preview{min-height:40px;display:flex;align-items:center}.style-card-preview.h1-preview>div{width:100%}.style-card-preview.h2-preview{min-height:35px;display:flex;align-items:center}.style-card-preview.h2-preview>div{width:100%}.style-card-preview.h3-preview{min-height:30px;display:flex;align-items:center}.style-card-preview.h3-preview>div{width:100%}.style-card-preview.code-preview{font-family:monospace;min-height:24px;display:flex;align-items:center}.style-card-preview.code-preview code{background:transparent!important}.style-card-preview.pre-preview{min-height:50px;font-family:monospace;white-space:pre;font-size:11px;padding:0;background:transparent}.style-card-preview.pre-preview pre{margin:0;white-space:pre}.style-card-preview.blockquote-preview{min-height:40px;font-style:italic;padding:0;background:transparent}.style-card-preview.blockquote-preview blockquote{margin:0}.theme-buttons{display:flex;flex-direction:column;gap:8px}.theme-btn{padding:8px 12px;border:1px solid #3e3e42;background:#252526;color:#ccc;border-radius:4px;font-size:13px;cursor:pointer;transition:all .2s;text-align:left}.theme-btn:hover{background:#2a2d2e;border-color:#1890ff}.theme-btn.active{background:#1890ff;border-color:#1890ff;color:#fff}.style-select{padding:8px 12px;border:1px solid #3e3e42;background:#252526;color:#ccc;border-radius:4px;font-size:13px;cursor:pointer;outline:none;width:100%}.preview-panel.light .style-select{border:1px solid #d0d0d0;background:#fff;color:#333}.style-select:hover{border-color:#1890ff}.font-size-buttons{display:grid;grid-template-columns:repeat(5,1fr);gap:6px}.size-btn{height:32px;border:1px solid #3e3e42;background:#252526;color:#ccc;border-radius:4px;font-size:12px;cursor:pointer;transition:all .2s}.preview-panel.light .size-btn{border:1px solid #d0d0d0;background:#fff;color:#333}.size-btn:hover{background:#2a2d2e;border-color:#1890ff}.preview-panel.light .size-btn:hover{background:#f0f0f0;border-color:#1890ff}.size-btn.active{background:#1890ff;border-color:#1890ff;color:#fff}.preview-container{flex:1;overflow-y:auto;display:flex;justify-content:center;align-items:stretch;padding:0;background:#1e1e1e}.preview-container::-webkit-scrollbar{width:10px}.preview-container::-webkit-scrollbar-track{background:#1e1e1e}.preview-container::-webkit-scrollbar-thumb{background:#4e4e4e;border-radius:4px}.preview-container::-webkit-scrollbar-thumb:hover{background:#5e5e5e}.preview-panel.light .preview-container{background:#fff}.preview-panel.light .preview-container::-webkit-scrollbar-track{background:#fff}.preview-panel.light .preview-container::-webkit-scrollbar-thumb{background:silver}.preview-panel.light .preview-container::-webkit-scrollbar-thumb:hover{background:#a0a0a0}.preview-container.mobile-view{background:#1a1a1a;padding:40px 20px;align-items:center;justify-content:center;overflow:hidden}.preview-panel.light .preview-container.mobile-view{background:linear-gradient(135deg,#f5f7fa,#c3cfe2)!important}.desktop-preview{flex:1;width:100%;max-width:none;min-height:100%;background:#2d2d30;padding:32px 48px;border-radius:0;box-shadow:none;color:#d4d4d4}.desktop-preview img{border-radius:8px;box-shadow:0 2px 8px #0000001a,0 8px 24px #00000026,0 0 0 1px #0000000d}.preview-panel.light .desktop-preview{background:#fff;color:#333;box-shadow:none;border:none}.preview-panel.light .desktop-preview img,.preview-panel.light .phone-content img,.preview-panel.light .card-preview-card img{box-shadow:0 2px 8px #0000000f,0 8px 24px #0000001a,0 0 0 1px #0000000a}.phone-frame{width:375px;height:812px;max-width:90%;max-height:90vh;background:#2d2d30;border-radius:36px;box-shadow:0 20px 60px #00000080;overflow:hidden;position:relative;padding:0;display:flex;flex-direction:column;flex-shrink:0}.preview-panel.light .phone-frame{background:#fff;box-shadow:0 20px 60px #00000026}.phone-notch{height:32px;background:#000;display:flex;align-items:center;justify-content:center;position:relative}.phone-notch:before{content:"";width:150px;height:20px;background:#000;border-radius:0 0 18px 18px;position:absolute;top:0}.phone-content{flex:1;overflow-y:auto;overflow-x:hidden;background:#2d2d30;padding:16px 20px;color:#d4d4d4;word-wrap:break-word;overflow-wrap:break-word}.phone-content *{max-width:100%;box-sizing:border-box}.phone-content img{max-width:100%;height:auto;border-radius:8px;box-shadow:0 2px 8px #0000001a,0 8px 24px #00000026,0 0 0 1px #0000000d}.phone-content pre{overflow-x:auto}.phone-content table{width:100%;table-layout:fixed}.preview-panel.light .phone-content{background:#fff;color:#333}.phone-home-indicator{height:20px;background:#2d2d30;display:flex;align-items:center;justify-content:center}.preview-panel.light .phone-home-indicator{background:#fff}.phone-home-indicator:before{content:"";width:140px;height:4px;background:#888;border-radius:2px}.preview-panel.light .phone-home-indicator:before{background:#333}.phone-content::-webkit-scrollbar{width:4px}.phone-content::-webkit-scrollbar-track{background:transparent}.phone-content::-webkit-scrollbar-thumb{background:#d0d0d0;border-radius:2px}.phone-content::-webkit-scrollbar-thumb:hover{background:#b0b0b0}.preview-statusbar{display:flex;align-items:center;justify-content:flex-end;padding:8px 24px;background:#252526;border-top:1px solid #2d2d30;font-size:13px;color:#858585;height:32px;flex-shrink:0}.preview-panel.light .preview-statusbar{background:#f5f5f5;border-top:1px solid #e0e0e0;color:#666}.export-image-btn{width:auto!important;padding:0 12px!important;gap:6px;font-size:13px;height:36px!important}.export-image-btn:disabled{opacity:.5;cursor:not-allowed}.export-image-btn:disabled:hover{background:transparent!important;color:#ccc!important;transform:none!important;box-shadow:none!important}.preview-panel.light .export-image-btn:disabled:hover{color:#666!important}.card-preview-wrapper{width:100%;min-height:100%;display:flex;align-items:flex-start;justify-content:center;padding:60px 40px;box-sizing:border-box;overflow-y:auto}.card-preview-card{width:100%;max-width:800px;background:#fff;border-radius:24px;padding:48px;box-shadow:0 20px 60px #0000004d;color:#333;min-height:auto;height:auto}.card-preview-card img{border-radius:8px;box-shadow:0 2px 8px #0000001a,0 8px 24px #00000026,0 0 0 1px #0000000d}.card-preview-card section{background:transparent!important;height:auto!important;min-height:auto!important}.card-preview-card img{max-width:100%!important;height:auto!important;display:block!important}.gradient-selector{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;padding:4px}.gradient-preset{height:60px;border-radius:8px;cursor:pointer;border:3px solid transparent;transition:all .2s;position:relative;overflow:hidden}.gradient-preset:hover{transform:translateY(-2px);box-shadow:0 4px 12px #0003}.gradient-preset.active{border-color:#1890ff;box-shadow:0 0 0 2px #1890ff}.gradient-preset-name{position:absolute;bottom:0;left:0;right:0;background:#0009;color:#fff;font-size:11px;padding:4px 8px;text-align:center}.outline-panel{width:240px;background:#252526;border-right:1px solid #2d2d30;display:flex;flex-direction:column;overflow:hidden;transition:width .3s ease;position:relative}.outline-panel.light{background:#f5f7fa;border-right:1px solid #e0e0e0}.outline-panel.collapsed{width:48px}.outline-header{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;border-bottom:1px solid #1e1e1e;background:#252526;height:56px;flex-shrink:0}.outline-panel.light .outline-header{background:#e8ecf0;border-bottom:1px solid #e0e0e0}.outline-header h3{font-size:14px;font-weight:600;color:#ccc;text-transform:uppercase;letter-spacing:.5px;margin:0;white-space:nowrap;overflow:hidden}.outline-panel.light .outline-header h3{color:#333}.outline-panel.collapsed .outline-header h3{display:none}.outline-toggle-bar{position:absolute;right:0;top:0;bottom:0;width:12px;background:transparent;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .2s;z-index:10}.outline-toggle-bar:hover{background:#ffffff0d}.outline-panel.light .outline-toggle-bar:hover{background:#00000008}.outline-toggle-bar .toggle-bar-icon{display:flex;align-items:center;justify-content:center;width:20px;height:40px;background:#2d2d30;border-radius:0 4px 4px 0;color:#858585;transition:all .2s;opacity:0}.outline-panel.light .outline-toggle-bar .toggle-bar-icon{background:#e0e0e0;color:#666}.outline-toggle-bar:hover .toggle-bar-icon{opacity:1;color:#1890ff;background:#3e3e42}.outline-panel.light .outline-toggle-bar:hover .toggle-bar-icon{background:#d0d0d0;color:#1890ff}.outline-toggle-bar .toggle-bar-icon svg{flex-shrink:0}.outline-content{flex:1;overflow-y:auto;padding:8px 0}.outline-content::-webkit-scrollbar{width:8px}.outline-content::-webkit-scrollbar-track{background:#1e1e1e}.outline-panel.light .outline-content::-webkit-scrollbar-track{background:#f0f0f0}.outline-content::-webkit-scrollbar-thumb{background:#4e4e4e;border-radius:4px}.outline-panel.light .outline-content::-webkit-scrollbar-thumb{background:#ccc;border-radius:4px}.outline-content::-webkit-scrollbar-thumb:hover{background:#5e5e5e}.outline-panel.light .outline-content::-webkit-scrollbar-thumb:hover{background:#aaa}.outline-empty{padding:20px 16px;text-align:center;color:#858585;font-size:13px}.outline-list{list-style:none;margin:0;padding:0}.outline-item{padding:6px 16px;cursor:pointer;font-size:13px;color:#ccc;transition:all .2s;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;border-left:2px solid transparent}.outline-panel.light .outline-item{color:#333}.outline-item:hover{background:#2a2d2e;color:#1890ff;border-left-color:#1890ff}.outline-panel.light .outline-item:hover{background:#f0f0f0;color:#1890ff;border-left-color:#1890ff}.outline-item.level-1{padding-left:16px;font-weight:600;font-size:14px}.outline-item.level-2{padding-left:28px;font-weight:500}.outline-item.level-3{padding-left:40px}.outline-item.level-4{padding-left:52px;font-size:12px}.outline-item.level-5{padding-left:64px;font-size:12px;opacity:.9}.outline-item.level-6{padding-left:76px;font-size:12px;opacity:.85}.outline-text{display:block;width:100%;overflow:hidden;text-overflow:ellipsis}.modal-overlay{position:fixed;inset:0;background:#0009;display:flex;align-items:center;justify-content:center;z-index:2000;animation:fadeIn .15s ease}.modal-content{background:#252526;border:1px solid #454545;border-radius:8px;box-shadow:0 8px 32px #00000080;min-width:400px;max-width:500px;animation:slideDown .2s ease}@keyframes slideDown{0%{transform:translateY(-20px);opacity:0}to{transform:translateY(0);opacity:1}}.modal-header{padding:18px 24px;border-bottom:1px solid #3e3e42}.modal-header h3{font-size:16px;font-weight:600;color:#ccc;margin:0}.modal-body{padding:24px}.modal-body p{font-size:15px;color:#ccc;line-height:1.6;margin:0}.modal-footer{padding:16px 24px;display:flex;justify-content:flex-end;gap:12px;border-top:1px solid #3e3e42}.modal-btn{padding:8px 20px;border-radius:4px;font-size:14px;font-weight:500;cursor:pointer;transition:all .2s;border:none;outline:none}.modal-btn-secondary{background:#3e3e42;color:#ccc}.modal-btn-secondary:hover{background:#505050}.modal-btn-danger{background:#f48771;color:#fff}.modal-btn-danger:hover{background:#ff6b6b}.app.light .modal-content{background:#fff;border:1px solid #d0d0d0;box-shadow:0 8px 32px #00000026}.app.light .modal-header{border-bottom:1px solid #e0e0e0}.app.light .modal-header h3,.app.light .modal-body p{color:#333}.app.light .modal-footer{border-top:1px solid #e0e0e0}.app.light .modal-btn-secondary{background:#e0e0e0;color:#333}.app.light .modal-btn-secondary:hover{background:#d0d0d0}.app.light .modal-btn-danger{background:#f44336;color:#fff}.app.light .modal-btn-danger:hover{background:#d32f2f}.settings-overlay{position:fixed;inset:0;background:#0009;display:flex;align-items:center;justify-content:center;z-index:1000;animation:fadeIn .2s ease}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.settings-panel{width:600px;max-width:90vw;max-height:80vh;background:#2d2d30;border-radius:8px;box-shadow:0 8px 32px #0006;display:flex;flex-direction:column;animation:slideUp .3s ease}@keyframes slideUp{0%{transform:translateY(20px);opacity:0}to{transform:translateY(0);opacity:1}}.settings-overlay.light .settings-panel{background:#fff;box-shadow:0 8px 32px #0000001a}.settings-header{display:flex;align-items:center;justify-content:space-between;padding:20px 24px;border-bottom:1px solid #3e3e42}.settings-overlay.light .settings-header{border-bottom:1px solid #e0e0e0}.settings-tabs{display:flex;border-bottom:1px solid #3e3e42;background:#252526}.settings-overlay.light .settings-tabs{border-bottom:1px solid #e0e0e0;background:#f5f5f5}.settings-tab{padding:14px 24px;background:transparent;border:none;border-bottom:2px solid transparent;color:#9d9d9d;font-size:14px;font-weight:500;cursor:pointer;transition:all .2s}.settings-overlay.light .settings-tab{color:#666}.settings-tab:hover{color:#ccc;background:#2a2d2e}.settings-overlay.light .settings-tab:hover{color:#333;background:#eaeaea}.settings-tab.active{color:#1890ff;border-bottom-color:#1890ff}.settings-header h2{font-size:18px;font-weight:600;color:#ccc;margin:0}.settings-overlay.light .settings-header h2{color:#333}.close-btn{width:32px;height:32px;padding:0;background:transparent;border:none;border-radius:4px;color:#858585;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .2s}.close-btn:hover{background:#3e3e42;color:#ccc}.settings-overlay.light .close-btn:hover{background:#f0f0f0;color:#333}.settings-content{flex:1;overflow-y:auto;padding:24px}.settings-content::-webkit-scrollbar{width:8px}.settings-content::-webkit-scrollbar-track{background:transparent}.settings-content::-webkit-scrollbar-thumb{background:#4e4e4e;border-radius:4px}.settings-overlay.light .settings-content::-webkit-scrollbar-thumb{background:#ccc}.settings-section{margin-bottom:24px}.settings-section h3{font-size:16px;font-weight:600;color:#ccc;margin:0 0 8px}.settings-overlay.light .settings-section h3{color:#333}.settings-description{font-size:13px;color:#858585;margin:0 0 20px;line-height:1.6}.settings-overlay.light .settings-description{color:#666}.form-group{margin-bottom:16px}.form-group label{display:block;font-size:13px;font-weight:500;color:#9d9d9d;margin-bottom:6px}.settings-overlay.light .form-group label{color:#555}.form-group input{width:100%;padding:10px 12px;background:#1e1e1e;border:1px solid #3e3e42;border-radius:4px;color:#ccc;font-size:14px;font-family:inherit;transition:all .2s}.form-group select{width:100%;padding:10px 12px;background:#1e1e1e;border:1px solid #3e3e42;border-radius:4px;color:#ccc;font-size:14px;font-family:inherit;transition:all .2s;cursor:pointer}.settings-overlay.light .form-group input,.settings-overlay.light .form-group select{background:#f5f5f5;border:1px solid #d0d0d0;color:#333}.form-group input:focus{outline:none;border-color:#1890ff;background:#252526}.settings-overlay.light .form-group input:focus{background:#fff;border-color:#1890ff}.form-group input::placeholder{color:#5e5e5e}.settings-overlay.light .form-group input::placeholder{color:#999}.settings-help{background:#1e1e1e;border:1px solid #3e3e42;border-radius:4px;padding:16px;margin:20px 0}.settings-overlay.light .settings-help{background:#f8f9fa;border:1px solid #e0e0e0}.settings-help p{font-size:13px;font-weight:500;color:#9d9d9d;margin:0 0 8px}.settings-overlay.light .settings-help p{color:#555}.settings-help ol{margin:0;padding-left:20px;font-size:13px;color:#858585;line-height:1.8}.settings-overlay.light .settings-help ol{color:#666}.settings-help a{color:#1890ff;text-decoration:none}.settings-help a:hover{text-decoration:underline}.settings-help code{background:#3e3e42;padding:2px 6px;border-radius:3px;font-family:monospace;font-size:12px;color:#e0e0e0}.settings-overlay.light .settings-help code{background:#e8e8e8;color:#333}.backup-info{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:20px 0}.info-item{background:#252526;border:1px solid #3e3e42;border-radius:6px;padding:16px;text-align:center}.settings-overlay.light .info-item{background:#f8f8f8;border:1px solid #e0e0e0}.info-label{font-size:13px;color:#9d9d9d;margin-bottom:8px}.settings-overlay.light .info-label{color:#666}.info-value{font-size:20px;font-weight:600;color:#1890ff}.settings-actions button svg{vertical-align:middle}.sync-status{padding:10px 12px;border-radius:4px;font-size:13px;margin:16px 0;text-align:center}.sync-status.success{background:#d4edda;color:#155724}.sync-status.error{background:#f8d7da;color:#721c24}.sync-status.info{background:#d1ecf1;color:#0c5460}.settings-actions{display:flex;gap:12px;margin-top:24px;justify-content:flex-end}.btn-primary,.btn-secondary{padding:10px 20px;border:none;border-radius:4px;font-size:14px;font-weight:500;cursor:pointer;transition:all .2s}.btn-primary{background:#1890ff;color:#fff}.btn-primary:hover:not(:disabled){background:#40a9ff}.btn-primary:disabled{background:#454545;color:#6e6e6e;cursor:not-allowed}.btn-secondary{background:transparent;color:#ccc;border:1px solid #3e3e42}.settings-overlay.light .btn-secondary{color:#333;border:1px solid #d0d0d0}.btn-secondary:hover:not(:disabled){background:#3e3e42;border-color:#4e4e4e}.settings-overlay.light .btn-secondary:hover:not(:disabled){background:#f0f0f0;border-color:silver}.btn-secondary:disabled{background:transparent;color:#454545;border-color:#2d2d2d;cursor:not-allowed}.settings-overlay.light .btn-secondary:disabled{background:transparent;color:#b0b0b0;border-color:#e5e5e5;cursor:not-allowed}.app{display:flex;height:100vh;width:100vw}.app>*{flex-shrink:0}.content-wrapper{flex:1;display:flex;min-width:0}.content-wrapper>*{flex:1;min-width:0}.app.light{background:#f5f7fa}.app.light .sidebar{background:#f5f7fa;border-right:1px solid #e0e0e0;color:#333}.app.light .sidebar-header{background:#e8ecf0;border-bottom:1px solid #e0e0e0}.app.light .logo-text{color:#333}.app.light .action-icon{color:#616161}.app.light .action-icon:hover{background:#e0e0e0}.app.light .tree-node{color:#333}.app.light .tree-node:hover{background:#e8e8e8}.app.light .tree-node.active{background:#cce7ff}.app.light .folder-node svg{color:#8b6914}.app.light .file-node svg{color:#1976d2}.app.light .rename-input{background:#fff;color:#333}.app.light .context-menu{background:#fff;border:1px solid #d0d0d0}.app.light .context-menu-item{color:#333}.app.light .context-menu-item:hover{background:#e3f2fd}.app.light .context-menu-divider{background:#e0e0e0}.app.light .sidebar-footer{background:#e8ecf0;border-top:1px solid #e0e0e0}.app.light .theme-toggle{border-color:#d0d0d0;color:#333}.app.light .theme-toggle:hover{background:#e0e0e0;border-color:#1976d2}.app.light .file-list::-webkit-scrollbar-thumb{background:silver;border:2px solid #f3f3f3}.app.light .editor-panel{background:#f5f7fa;border-right:1px solid #e0e0e0}.app.light .panel-header{background:#e8ecf0;border-bottom:1px solid #e0e0e0}.app.light .file-name-input{color:#333;background:transparent}.app.light .file-name-input:focus{background:#dce3eb}.app.light .editor-textarea{color:#333;background:#fff}.app.light .empty-state{color:#999;background:#fff}.app.light .preview-panel{background:#f5f7fa}.app.light .preview-panel .panel-header{background:#e8ecf0;border-bottom:1px solid #e0e0e0}.app.light .preview-panel .panel-header h3,.app.light .markdown-body{color:#333}.app.light .markdown-body h1,.app.light .markdown-body h2,.app.light .markdown-body h3,.app.light .markdown-body h4,.app.light .markdown-body h5,.app.light .markdown-body h6{color:#1a1a1a}.app.light .markdown-body h1,.app.light .markdown-body h2{border-bottom-color:#e0e0e0}.app.light .markdown-body p{color:#333}.app.light .markdown-body code{background:#f5f5f5;color:#d73a49}.app.light .markdown-body pre{background:#f6f8fa;border:1px solid #e0e0e0}.app.light .markdown-body pre code{color:#333}.app.light .markdown-body blockquote{border-left-color:#1976d2;color:#666}.app.light .markdown-body ul,.app.light .markdown-body ol{color:#333}.app.light .markdown-body a{color:#1976d2}.app.light .markdown-body table th,.app.light .markdown-body table td{border-color:#e0e0e0;color:#333}.app.light .markdown-body table th{background:#f5f5f5}.app.light .markdown-body hr{border-top-color:#e0e0e0}.app.light .markdown-body::-webkit-scrollbar-thumb{background:silver;border:2px solid #fff}.app.light .preview-toggle-btn{color:#616161}.app.light .preview-toggle-btn:hover{background:#e0e0e0;color:#1976d2}.app.light .preview-container.mobile-view{background:#e0e0e0}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;height:100vh;overflow:hidden;background:#f5f5f5}#root{height:100vh;width:100vw}@keyframes slideIn{0%{transform:translate(100%);opacity:0}to{transform:translate(0);opacity:1}}@keyframes fadeOut{0%{opacity:1}to{opacity:0}}
