:root{--bg: #1c1c1e;--bg-secondary: #2c2c2e;--bg-tertiary: #3a3a3c;--bg-hover: rgba(255, 255, 255, .06);--bg-active: rgba(255, 255, 255, .1);--bg-ribbon: #252527;--border: rgba(84, 84, 88, .65);--border-subtle: rgba(84, 84, 88, .36);--text: rgba(255, 255, 255, .85);--text-muted: rgba(235, 235, 245, .6);--text-tertiary: rgba(235, 235, 245, .3);--accent: #0a84ff;--accent-hover: #409cff;--accent-pressed: #006edb;--selection: rgba(10, 132, 255, .28);--danger: #ff453a;--success: #30d158;--warning: #ffd60a;--font: -apple-system, BlinkMacSystemFont, "SF Pro Text", "SF Pro", system-ui, sans-serif;--mono: "SF Mono", ui-monospace, "Cascadia Code", "Fira Code", Consolas, monospace;--radius-sm: 6px;--radius-md: 8px;--radius-lg: 10px;--radius-xl: 12px;--shadow-sm: 0 1px 4px rgba(0, 0, 0, .24);--shadow-md: 0 8px 32px rgba(0, 0, 0, .48);--shadow-popover: 0 4px 24px rgba(0, 0, 0, .36);--transition-fast: .12s ease;--transition-normal: .2s ease;--focus-ring: 0 0 0 3px rgba(10, 132, 255, .45);--ribbon-width: 52px;--sidebar-width: 260px;--status-height: 24px;--tab-height: 32px;--outline-width: 200px;--scrollbar-track: transparent;--scrollbar-thumb: rgba(255, 255, 255, .18);--scrollbar-thumb-hover: rgba(255, 255, 255, .28);--scrollbar-size: 8px;--notebook-code-bg: var(--bg-tertiary);--notebook-output-bg: color-mix(in srgb, var(--bg) 92%, var(--bg-secondary));color-scheme:dark}[data-theme=light]{--bg: #ffffff;--bg-secondary: #f5f5f7;--bg-tertiary: #e8e8ed;--bg-hover: rgba(0, 0, 0, .04);--bg-active: rgba(0, 0, 0, .08);--bg-ribbon: #ececee;--border: rgba(60, 60, 67, .29);--border-subtle: rgba(60, 60, 67, .18);--text: rgba(0, 0, 0, .85);--text-muted: rgba(60, 60, 67, .6);--text-tertiary: rgba(60, 60, 67, .3);--accent: #007aff;--accent-hover: #0066d6;--accent-pressed: #0055b3;--selection: rgba(0, 122, 255, .22);--danger: #ff3b30;--success: #34c759;--warning: #ff9500;--shadow-sm: 0 1px 4px rgba(0, 0, 0, .08);--shadow-md: 0 8px 32px rgba(0, 0, 0, .16);--shadow-popover: 0 4px 24px rgba(0, 0, 0, .12);--focus-ring: 0 0 0 3px rgba(0, 122, 255, .35);--scrollbar-track: transparent;--scrollbar-thumb: rgba(0, 0, 0, .22);--scrollbar-thumb-hover: rgba(0, 0, 0, .32);--notebook-code-bg: var(--bg-tertiary);--notebook-output-bg: color-mix(in srgb, var(--bg) 92%, var(--bg-secondary));color-scheme:light}*{box-sizing:border-box;margin:0;padding:0}html,body,#root{height:100%}body{font-family:var(--font);font-size:13px;background:var(--bg);color:var(--text);line-height:1.3846;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizeLegibility}*{scrollbar-width:thin;scrollbar-color:var(--scrollbar-thumb) var(--scrollbar-track)}*::-webkit-scrollbar{width:var(--scrollbar-size);height:var(--scrollbar-size)}*::-webkit-scrollbar-track{background:var(--scrollbar-track)}*::-webkit-scrollbar-thumb{background:var(--scrollbar-thumb);border-radius:var(--radius-sm);border:2px solid transparent;background-clip:padding-box}*::-webkit-scrollbar-thumb:hover{background:var(--scrollbar-thumb-hover);background-clip:padding-box}*::-webkit-scrollbar-corner{background:var(--scrollbar-track)}button{font:inherit;cursor:pointer;border:none;background:none;color:inherit;transition:background var(--transition-fast),color var(--transition-fast),opacity var(--transition-fast)}button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible,[tabindex]:focus-visible{outline:none;box-shadow:var(--focus-ring)}input,textarea,select{font:inherit;color:inherit;background:var(--bg);border:1px solid var(--border);border-radius:var(--radius-md);transition:border-color var(--transition-fast),box-shadow var(--transition-fast)}input:focus,textarea:focus,select:focus{border-color:var(--accent);box-shadow:var(--focus-ring)}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}.loading-screen{display:grid;place-items:center;height:100%;color:var(--text-muted);font-size:13px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:6px 16px;min-height:28px;border-radius:var(--radius-md);background:var(--accent);color:#fff;font-size:13px;font-weight:400;transition:background var(--transition-fast),transform var(--transition-fast)}.btn:hover{background:var(--accent-hover)}.btn:active{background:var(--accent-pressed)}.btn:disabled{opacity:.45;cursor:not-allowed}.btn-ghost{background:transparent;border:1px solid var(--border);color:var(--text)}.btn-ghost:hover{background:var(--bg-hover)}.btn-ghost:active{background:var(--bg-active)}.btn-sm{padding:4px 10px;font-size:12px}.link-btn{color:var(--danger);font-size:12px}.app-shell{display:grid;grid-template-columns:var(--ribbon-width) var(--sidebar-width) 1fr;grid-template-rows:1fr var(--status-height);height:100%;overflow:hidden}.app-shell:focus{outline:none}.app-shell--unfocused .editor-area{opacity:.92}.empty-focus-hint{color:var(--text-muted);font-size:13px}.status-shortcut-hint{color:var(--text-muted);font-size:12px;margin-right:12px}.app-shell.with-outline{grid-template-columns:var(--ribbon-width) var(--sidebar-width) 1fr var(--outline-width)}.app-shell.sidebar-collapsed{grid-template-columns:var(--ribbon-width) 1fr}.app-shell.sidebar-collapsed.with-outline{grid-template-columns:var(--ribbon-width) 1fr var(--outline-width)}.app-shell.sidebar-collapsed .status-bar{grid-column:2 / 3}.app-shell.sidebar-collapsed.with-outline .status-bar{grid-column:2 / 4}.app-shell.with-outline .status-bar{grid-column:2 / 5}body.pane-resizing{cursor:col-resize;-webkit-user-select:none;user-select:none}.left-ribbon{grid-row:1 / 3;background:var(--bg-ribbon);display:flex;flex-direction:column;align-items:center;padding:8px 6px;gap:2px;border-right:1px solid var(--border-subtle)}.ribbon-btn{width:40px;height:36px;border-radius:var(--radius-md);display:grid;place-items:center;position:relative;color:var(--text-muted)}.ribbon-btn.active{background:var(--selection);color:var(--accent)}.ribbon-btn.active:before{display:none}.ribbon-toggle{margin-bottom:4px;border-bottom:1px solid var(--border-subtle);border-radius:0;width:calc(100% + 12px);margin-left:-6px;margin-right:-6px;height:36px;color:var(--text-muted)}.ribbon-btn:hover:not(.active){background:var(--bg-hover);color:var(--text)}.ribbon-icon{display:flex;align-items:center;justify-content:center}.sidebar-panel{grid-row:1;border-right:1px solid var(--border-subtle);overflow:auto;background:var(--bg-secondary);position:relative}.pane-resizer{position:absolute;top:0;bottom:0;right:0;width:4px;cursor:col-resize;z-index:5}.pane-resizer:hover{background:var(--accent);opacity:.35}.right-sidebar{grid-row:1;border-left:1px solid var(--border);background:var(--bg-secondary);display:flex;flex-direction:column;overflow:hidden;position:relative;min-width:0}.right-sidebar .pane-resizer{left:0;right:auto}.right-sidebar.collapsed{display:flex;align-items:center;justify-content:center}.right-sidebar-expand,.right-sidebar-collapse{color:var(--text-muted);font-size:12px;padding:4px 8px}.right-sidebar-expand:hover,.right-sidebar-collapse:hover{color:var(--text)}.right-sidebar-header{display:flex;align-items:center;border-bottom:1px solid var(--border);flex-shrink:0}.right-sidebar-tabs{display:flex;flex:1;overflow-x:auto}.right-sidebar-tab{padding:8px 10px;font-size:11px;color:var(--text-muted);white-space:nowrap;border-bottom:2px solid transparent;transition:color var(--transition-fast),border-color var(--transition-fast)}.right-sidebar-tab.active{color:var(--text);border-bottom-color:var(--accent)}.right-sidebar-body{flex:1;overflow:auto;padding:4px 0}.main-panel{grid-row:1;display:flex;flex-direction:column;overflow:hidden}.status-bar{grid-column:2 / 4;grid-row:2;display:flex;align-items:center;gap:12px;padding:0 12px;background:var(--bg-secondary);border-top:1px solid var(--border-subtle);color:var(--text-muted);font-size:11px}.status-vault{color:var(--text);font-weight:400;padding:2px 6px;border-radius:var(--radius-sm);transition:background var(--transition-fast)}.status-vault:hover{background:var(--bg-hover)}.status-spacer{flex:1}.status-text{color:var(--text-muted)}.tab-bar{display:flex;align-items:flex-end;height:var(--tab-height);background:var(--bg-secondary);border-bottom:1px solid var(--border-subtle);overflow-x:auto;padding:0 8px;gap:2px}.tab-item{display:flex;align-items:center;gap:6px;padding:0 12px;height:26px;margin-bottom:-1px;border:1px solid transparent;border-radius:var(--radius-sm) var(--radius-sm) 0 0;font-size:13px;white-space:nowrap;cursor:pointer;color:var(--text-muted);transition:background var(--transition-fast),color var(--transition-fast),border-color var(--transition-fast)}.tab-item:hover:not(.active){background:var(--bg-hover);color:var(--text)}.tab-item.active{background:var(--bg);color:var(--text);border-color:var(--border-subtle);border-bottom-color:var(--bg)}.tab-close{opacity:0;font-size:14px;line-height:1;width:16px;height:16px;border-radius:50%;display:grid;place-items:center;transition:opacity var(--transition-fast),background var(--transition-fast)}.tab-item:hover .tab-close,.tab-item.active .tab-close{opacity:.6}.tab-close:hover{opacity:1;background:var(--bg-active)}.tab-item.pinned{font-style:italic}.tab-item.dragging{opacity:.5}.tab-pin,.tab-pin-icon{font-size:11px;opacity:.5;line-height:1}.tab-pin:hover{opacity:1}.tab-pin-icon{opacity:.8}.tab-new{padding:0 10px;height:26px;margin-bottom:-1px;color:var(--text-muted);border-radius:var(--radius-sm);font-size:16px;line-height:1}.tab-new:hover{background:var(--bg-hover);color:var(--text)}.editor-area{flex:1;overflow:hidden}.empty-state{display:grid;place-content:center;height:100%;text-align:center;gap:20px;padding:24px}.empty-title{font-size:26px;font-weight:400;letter-spacing:-.02em;color:var(--text)}.empty-hints{list-style:none;color:var(--text-muted);font-size:13px;line-height:2}kbd{background:var(--bg-secondary);border:1px solid var(--border-subtle);padding:2px 6px;border-radius:var(--radius-sm);font-size:11px;font-family:var(--mono);box-shadow:0 1px 0 var(--border-subtle)}.file-explorer{padding:4px 0}.explorer-toolbar{display:flex;gap:4px;padding:8px;border-bottom:1px solid var(--border-subtle)}.explorer-toolbar button{padding:4px 8px;border-radius:var(--radius-sm);font-size:13px;min-height:24px;color:var(--text-muted)}.explorer-toolbar button:hover{background:var(--bg-hover);color:var(--text)}.explorer-toolbar button:disabled,.tab-new:disabled{opacity:.4;cursor:not-allowed}.tree-row{display:flex;align-items:center;width:100%;text-align:left;padding:4px 8px;margin:1px 4px;width:calc(100% - 8px);border-radius:var(--radius-sm);font-size:13px;gap:4px;transition:background var(--transition-fast),color var(--transition-fast)}.tree-row:hover{background:var(--bg-hover)}.tree-row.active{background:var(--selection);color:var(--accent)}.tree-row.note{color:var(--text-muted)}.tree-label{flex:1;overflow:hidden;text-overflow:ellipsis}.tree-badge{font-size:10px;color:var(--text-muted);margin-left:auto;padding:0 4px}.graph-stats{float:right;font-weight:400;opacity:.8}.graph-warn{padding:8px 12px;font-size:12px;color:var(--warning);border-bottom:1px solid var(--border-subtle)}.markdown-preview table{width:100%;border-collapse:collapse;margin:.75em 0;font-size:13px}.markdown-preview th,.markdown-preview td{border:1px solid var(--border);padding:6px 10px;text-align:left}.markdown-preview th{background:var(--bg-secondary)}.markdown-preview del{color:var(--text-muted)}.markdown-preview input[type=checkbox]{margin-right:6px}.tree-row.note.archived{opacity:.55;font-style:italic}.backlinks-panel{padding:8px 12px;border-bottom:1px solid var(--border);font-size:12px}.backlinks-label{color:var(--text-muted);display:block;margin-bottom:6px}.backlinks-list{display:flex;flex-wrap:wrap;gap:6px}.backlink-item{padding:2px 8px;border-radius:4px;background:var(--bg-secondary);border:1px solid var(--border);font-size:12px;color:var(--accent)}.backlink-item:hover{background:var(--bg-hover)}.note-meta-row select{padding:4px 8px;min-width:140px}.quick-switcher .cmd-list button{display:flex;justify-content:space-between;align-items:center;gap:12px}.qs-title{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.qs-meta{font-size:11px;opacity:.7;flex-shrink:0}.settings-row input[type=checkbox]{width:auto}.tree-arrow{width:12px;font-size:10px}.panel-header{padding:8px 12px;font-size:11px;font-weight:600;letter-spacing:.04em;text-transform:uppercase;color:var(--text-muted);border-bottom:1px solid var(--border-subtle)}.panel-muted{padding:12px;font-size:13px;color:var(--text-muted)}.search-panel,.graph-panel,.settings-panel{height:100%;overflow:auto}.search-input{width:calc(100% - 16px);margin:8px;padding:8px}.search-result{display:block;width:100%;text-align:left;padding:8px 12px;margin:1px 4px;width:calc(100% - 8px);border-radius:var(--radius-sm);border-bottom:none;transition:background var(--transition-fast)}.search-result:hover,.search-result.active{background:var(--selection)}.search-result-title{color:var(--text);font-size:13px}.search-result-meta{font-size:11px;color:var(--text-muted)}.graph-svg{width:100%;height:auto}.settings-section{padding:12px;border-bottom:1px solid var(--border)}.settings-section h3{font-size:13px;font-weight:600;color:var(--text);margin-bottom:8px}.settings-row{display:flex;align-items:center;justify-content:space-between;gap:8px;font-size:13px}.settings-btn{margin-top:8px;width:100%}.settings-hint{font-size:12px;margin-bottom:8px;line-height:1.45}.settings-hint code{font-family:var(--mono);font-size:11px}.settings-row-block{flex-direction:column;align-items:stretch}.settings-row-block input{width:100%;margin-top:4px}.settings-actions{margin-top:8px}.settings-guide{margin:8px 12px;padding:10px 12px;border-radius:var(--radius-md);background:var(--selection);border:1px solid var(--border-subtle);font-size:12px;color:var(--text);line-height:1.45}.form-success{color:var(--success);font-size:12px;margin-top:8px}.vault-list{list-style:none;margin-top:8px}.vault-list-item{display:flex;justify-content:space-between;align-items:center;padding:6px 0;font-size:13px}.note-editor{display:flex;flex-direction:column;height:100%}.view-header{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:6px 12px;border-bottom:1px solid var(--border-subtle);background:var(--bg-secondary);flex-shrink:0;min-height:32px}.view-breadcrumb{display:flex;align-items:center;flex-wrap:wrap;gap:2px;font-size:12px;color:var(--text-muted);min-width:0}.view-breadcrumb-link{color:var(--text-muted);padding:2px 4px;border-radius:4px}.view-breadcrumb-link:hover{background:var(--bg-hover);color:var(--text)}.view-breadcrumb-sep{opacity:.5;margin:0 2px}.view-breadcrumb-vault{color:var(--text);font-weight:500}.view-header-actions{display:flex;align-items:center;gap:6px;flex-shrink:0}.view-mode-toggle{display:inline-flex;padding:2px;border:1px solid var(--border-subtle);border-radius:var(--radius-md);background:var(--bg-tertiary);overflow:hidden}.view-mode-btn{padding:3px 10px;font-size:11px;color:var(--text-muted);background:transparent;border-radius:calc(var(--radius-md) - 2px);transition:background var(--transition-fast),color var(--transition-fast),box-shadow var(--transition-fast)}.view-mode-btn.active{background:var(--bg);color:var(--text);box-shadow:var(--shadow-sm)}.view-mode-btn:hover:not(.active){color:var(--text)}.view-more-menu{position:relative}.view-action-btn{padding:4px 10px;font-size:13px;color:var(--text-muted);border-radius:var(--radius-sm);min-height:24px}.view-action-btn:hover:not(:disabled){background:var(--bg-hover);color:var(--text)}.view-more-dropdown{position:absolute;top:calc(100% + 4px);right:0;min-width:160px;background:var(--bg-secondary);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);box-shadow:var(--shadow-popover);z-index:20;padding:4px;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px)}.view-more-dropdown button{display:block;width:100%;text-align:left;padding:6px 10px;font-size:13px;border-radius:var(--radius-sm)}.view-more-dropdown button:hover{background:var(--accent);color:#fff}.note-chrome{padding:20px 24px 8px;flex-shrink:0}.note-chrome.preview-chrome{padding-bottom:0}.inline-title-input{width:100%;border:none;background:transparent;font-size:2em;font-weight:700;color:var(--text);outline:none;line-height:1.2;margin-bottom:4px}.inline-title-input::placeholder{color:var(--text-muted);opacity:.6}.note-properties{margin-bottom:4px}.note-properties-toggle{display:flex;align-items:center;justify-content:space-between;width:100%;text-align:left;padding:4px 0;font-size:12px;color:var(--text-muted)}.note-properties-chips{display:flex;flex-wrap:wrap;gap:6px}.prop-chip{padding:2px 8px;border-radius:4px;background:var(--bg-secondary);border:1px solid var(--border)}.prop-chip.muted{opacity:.7}.note-properties-form{display:flex;flex-direction:column;gap:8px;padding:8px 0 4px;font-size:13px}.note-properties-form label{display:flex;align-items:center;gap:8px}.note-properties-form label span{min-width:48px;color:var(--text-muted)}.note-properties-form select,.note-properties-form input{flex:1;padding:4px 8px}.prop-readonly{font-size:12px;color:var(--text-muted);padding-top:4px}.note-source-pane{display:flex;flex-direction:column;flex:1;min-width:0;overflow:hidden}.note-preview-pane{flex:1;min-width:0;overflow:hidden}.note-source-editor{display:flex;flex:1;min-height:0;overflow:hidden}.line-gutter{width:44px;flex-shrink:0;background:var(--bg-secondary);border-right:1px solid var(--border);overflow:hidden;padding-top:16px}.line-gutter-inner{will-change:transform}.line-num{height:calc(1.6 * 14px);line-height:calc(1.6 * 14px);text-align:right;padding-right:8px;color:var(--text-muted);font-family:var(--mono);font-size:12px;-webkit-user-select:none;user-select:none}.line-num.active{color:var(--accent);font-weight:600}.editor-toolbar{display:flex;align-items:center;gap:2px;padding:4px 16px;border-bottom:1px solid var(--border);background:var(--bg);flex-shrink:0}.editor-toolbar-sep{width:1px;height:16px;background:var(--border);margin:0 4px}.editor-toolbar button{min-width:28px;height:26px;padding:0 8px;border-radius:4px;font-size:12px;font-weight:600;color:var(--text-muted)}.editor-toolbar button:hover:not(:disabled){background:var(--bg-hover);color:var(--text)}.editor-toolbar button:disabled{opacity:.4;cursor:not-allowed}.note-editor-input-wrap{flex:1;display:flex;flex-direction:column;position:relative;min-width:0;overflow:hidden}.note-editor-body{flex:1;display:flex;overflow:hidden;min-height:0}.note-editor-body.mode-edit .note-source-pane,.note-editor-body.mode-preview .note-preview-pane{flex:1}.note-editor-body.mode-split .note-source-pane,.note-editor-body.mode-split .note-preview-pane{flex:1;width:50%}.note-editor-body.mode-excalidraw,.note-editor-body.mode-notebook,.note-editor-body.mode-todo{flex-direction:column}.note-excalidraw-pane,.note-notebook-pane,.note-todo-pane{flex:1;display:flex;flex-direction:column;min-height:0;overflow:hidden}.excalidraw-editor{flex:1;min-height:0;position:relative}.excalidraw-editor .excalidraw{height:100%}.excalidraw-loading{flex:1;display:flex;align-items:center;justify-content:center;color:var(--text-muted);font-size:14px}.mermaid-block{overflow-x:auto;margin:12px 0}.mermaid-block svg{max-width:100%;height:auto;display:block}.mermaid-error{color:var(--danger);font-size:12px;padding:8px 12px;margin:12px 0;background:color-mix(in srgb,var(--danger) 10%,transparent);border-radius:var(--radius-md, 6px);white-space:pre-wrap}.tree-note-icon{margin-right:4px;flex-shrink:0}.notebook-editor{flex:1;display:flex;flex-direction:column;min-height:0;overflow:hidden}.notebook-toolbar{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:8px;padding:8px 16px;border-bottom:1px solid var(--border);background:var(--bg-secondary);flex-shrink:0}.notebook-toolbar-group{display:flex;flex-wrap:wrap;align-items:center;gap:6px}.notebook-toolbar-right{margin-left:auto}.notebook-toolbar button,.notebook-cell-type-select{padding:4px 10px;font-size:12px;border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--bg);color:var(--text)}.notebook-toolbar button:hover:not(:disabled){background:var(--bg-hover)}.notebook-toolbar button:disabled{opacity:.45}.notebook-kernel-badge{font-size:12px;padding:3px 10px;border-radius:999px;border:1px solid var(--border);background:var(--bg);color:var(--text-muted)}.notebook-kernel-badge.status-ready{color:var(--success);border-color:color-mix(in srgb,var(--success) 40%,var(--border))}.notebook-kernel-badge.status-connecting{color:var(--warning)}.notebook-kernel-error{padding:8px 16px;font-size:12px;color:var(--danger);background:color-mix(in srgb,var(--danger) 8%,transparent);border-bottom:1px solid var(--border-subtle)}.notebook-reconnect-btn{font-size:11px}.notebook-add-cell{display:block;width:100%;margin:4px 0 8px;padding:10px;border:1px dashed var(--border);border-radius:var(--radius-sm);background:transparent;color:var(--text-muted);font-size:12px;cursor:pointer;text-align:center}.notebook-add-cell:hover{border-color:var(--accent);color:var(--accent);background:color-mix(in srgb,var(--accent) 6%,transparent)}.notebook-cells{flex:1;overflow:auto;padding:16px 24px;display:flex;flex-direction:column;gap:12px;max-width:960px;width:100%;margin:0 auto;box-sizing:border-box}.notebook-cell{display:flex;border-left:none;border-radius:var(--radius-md);background:var(--bg);transition:box-shadow var(--transition-fast),border-color var(--transition-fast);cursor:pointer}.notebook-cell-selected{box-shadow:0 0 0 1px color-mix(in srgb,var(--accent) 35%,transparent)}.notebook-cell-selected .notebook-cell-toolbar,.notebook-cell-toolbar.visible{opacity:1;pointer-events:auto}.notebook-cell-markdown,.notebook-cell-code,.notebook-cell-selected.notebook-cell-markdown,.notebook-cell-selected.notebook-cell-code,.notebook-cell-selected.notebook-cell-raw,.notebook-cell-raw{border-left:none}.notebook-cell-gutter{display:none}.notebook-cell-body{flex:1;min-width:0;position:relative}.notebook-cell-toolbar{position:absolute;top:6px;right:8px;z-index:2;display:flex;gap:4px;opacity:0;pointer-events:none;transition:opacity var(--transition-fast)}.notebook-cell:hover .notebook-cell-toolbar,.notebook-cell:focus-within .notebook-cell-toolbar{opacity:1;pointer-events:auto}.notebook-cell-toolbar button{padding:2px 8px;font-size:12px;line-height:1.4;border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--bg);color:var(--text);box-shadow:var(--shadow-sm)}.notebook-cell-toolbar-icon{display:inline-flex;align-items:center;justify-content:center;width:28px;height:28px;padding:0;border:none;border-radius:var(--radius-sm);background:transparent;color:var(--text-muted);box-shadow:none;cursor:pointer}.notebook-cell-toolbar-icon:hover:not(:disabled){background:var(--bg-hover);color:var(--text)}.notebook-cell-toolbar-icon:disabled{opacity:.35;cursor:not-allowed}.notebook-cell-toolbar button:hover:not(:disabled){background:var(--bg-hover)}.notebook-cell-toolbar button:disabled{opacity:.4;cursor:not-allowed}.notebook-cell-input{display:block;width:100%;box-sizing:border-box;padding:12px 14px;border:none;background:transparent;color:var(--text);font-family:var(--mono);font-size:13px;line-height:1.5;resize:vertical;min-height:72px;outline:none}.notebook-code-input{margin:8px 12px 8px 0;width:calc(100% - 12px);background:var(--notebook-code-bg);border-radius:var(--radius-sm);min-height:88px}.notebook-colab-section{padding:4px 0 8px}.notebook-colab-section-header{display:flex;align-items:flex-start;gap:4px;position:relative;width:100%}.notebook-colab-section-header .notebook-cell-toolbar{position:absolute;top:0;right:0}.notebook-colab-chevron{flex-shrink:0;display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;margin-top:2px;border:none;border-radius:var(--radius-sm);background:transparent;color:var(--text-muted);cursor:pointer}.notebook-colab-chevron:hover{background:var(--bg-hover);color:var(--text)}.notebook-icon-chevron-expanded{transform:rotate(90deg)}.notebook-icon-chevron-collapsed{transform:rotate(0)}.notebook-colab-section-main{flex:1;min-width:0;padding-right:140px}.notebook-colab-section-title{margin:0;font-size:1.65rem;font-weight:600;line-height:1.3;color:var(--text)}.notebook-colab-section-desc{margin-top:8px;font-size:14px;color:var(--text-muted);line-height:1.6}.notebook-colab-section-desc p{margin:0 0 .5em}.notebook-colab-section-edit{min-height:96px;margin:0;padding:8px 12px;background:var(--bg-secondary);border-radius:var(--radius-sm)}.notebook-colab-code .notebook-cell-body{width:100%}.notebook-colab-code-row{display:flex;align-items:flex-start;gap:8px;padding:8px 12px 12px 4px}.notebook-colab-play-col{flex-shrink:0;display:flex;flex-direction:column;align-items:center;gap:4px;width:36px;padding-top:10px}.notebook-colab-play{display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;border:1px solid var(--border);border-radius:50%;background:var(--bg);color:var(--accent);cursor:pointer;transition:background var(--transition-fast),border-color var(--transition-fast)}.notebook-colab-play:hover:not(:disabled){background:color-mix(in srgb,var(--accent) 12%,var(--bg));border-color:color-mix(in srgb,var(--accent) 40%,var(--border))}.notebook-colab-play:disabled,.notebook-colab-play.is-running{opacity:.7;cursor:default}.notebook-colab-play-spinner{font-size:14px;line-height:1;color:var(--text-muted)}.notebook-colab-exec-count{font-family:var(--mono);font-size:10px;color:var(--text-muted);-webkit-user-select:none;user-select:none}.notebook-colab-code-main{flex:1;min-width:0}.notebook-colab-code-main .notebook-code-input{margin:0;width:100%}.notebook-colab-output{margin:8px 0 0;border-top:1px solid var(--border-subtle);padding-top:8px;display:block}.notebook-colab-output-header{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-bottom:6px}.notebook-colab-output-label{font-family:var(--mono);font-size:11px;color:var(--text-muted)}.notebook-colab-output-actions{display:flex;gap:8px}.notebook-colab-output-action{padding:0;border:none;background:none;font-size:12px;color:var(--accent);cursor:pointer}.notebook-colab-output-action:hover{text-decoration:underline}.notebook-colab-output-collapsed{margin-top:8px;padding:4px 0}.notebook-colab-output-toggle{display:flex;align-items:center;gap:6px;padding:4px 0;border:none;background:none;font-size:13px;color:var(--accent);cursor:pointer;text-align:left;max-width:100%}.notebook-colab-output-toggle:hover{text-decoration:underline}.notebook-colab-output-toggle-icon{color:var(--text-muted);font-size:16px}.notebook-colab-output-preview{color:var(--text-muted);font-size:12px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:480px;display:inline-block;vertical-align:bottom}.notebook-raw-input{margin:8px 12px 8px 0;width:calc(100% - 12px);background:var(--bg);border-radius:var(--radius-sm)}.notebook-markdown-preview{padding:8px 12px 16px 0;cursor:text;line-height:1.7}.notebook-markdown-preview .readable-inner{max-width:100%;padding:4px 0}.notebook-outputs{padding:0;background:transparent;border:none;border-radius:0}.notebook-output-block{display:block;margin:0;border-top:none;padding-top:0}.notebook-output-gutter{display:none}.notebook-output-content{flex:1;min-width:0;background:var(--notebook-output-bg);border-radius:var(--radius-sm);padding:8px 12px;max-height:420px;overflow:auto}.notebook-output-row{display:flex;flex-direction:column;gap:4px;margin-bottom:8px}.notebook-output-row:last-child{margin-bottom:0}.notebook-output-label{display:inline-block;align-self:flex-start;padding:1px 6px;font-family:var(--font);font-size:10px;font-weight:600;letter-spacing:.02em;text-transform:uppercase;border-radius:3px;color:var(--text-muted);background:var(--bg-hover)}.notebook-output-row.is-stderr .notebook-output-label,.notebook-output-row.is-error .notebook-output-label{color:var(--danger);background:color-mix(in srgb,var(--danger) 12%,transparent)}.notebook-output{margin:0;padding:0;font-family:var(--mono);font-size:13px;line-height:1.65;white-space:pre-wrap;word-break:break-word;color:var(--text)}.notebook-output-stdout{color:var(--text)}.notebook-output-stderr{color:var(--danger)}.notebook-output-error,.notebook-run-error{color:var(--danger);padding:8px 10px;border-left:3px solid var(--danger);background:color-mix(in srgb,var(--danger) 8%,transparent);border-radius:var(--radius-sm);margin:0;font-size:13px;line-height:1.65}.notebook-output-image{max-width:100%;height:auto;display:block;margin:6px 0;border-radius:var(--radius-sm)}.notebook-output-html{display:block;width:100%;min-height:48px;border:none;background:transparent;margin:6px 0}.todo-editor{flex:1;display:flex;flex-direction:column;min-height:0;overflow:hidden}.todo-editor-toolbar{display:flex;gap:6px;padding:8px 12px;border-bottom:1px solid var(--border);background:var(--bg-secondary);flex-shrink:0}.todo-toolbar-btn{padding:4px 10px;font-size:12px;border:1px solid var(--border);border-radius:4px;background:var(--bg);color:var(--text)}.todo-toolbar-btn:hover{background:var(--bg-hover)}.todo-groups{flex:1;overflow:auto;padding:12px 16px;display:flex;flex-direction:column;gap:16px}.todo-group{border:1px solid var(--border);border-radius:var(--radius-md);background:var(--bg-secondary);overflow:hidden}.todo-group-header{display:flex;align-items:center;gap:8px;padding:8px 12px;border-bottom:1px solid var(--border);background:var(--bg)}.todo-group-toggle{padding:0 4px;font-size:12px;color:var(--text-muted);flex-shrink:0}.todo-group-title{flex:1;border:none;background:transparent;font-size:14px;font-weight:600;color:var(--text);padding:2px 4px;border-radius:var(--radius-sm)}.todo-group-title:focus{outline:none;background:var(--bg-hover)}.todo-group-count{font-size:11px;color:var(--text-muted);flex-shrink:0}.todo-group-delete{padding:0 6px;font-size:16px;color:var(--text-muted);flex-shrink:0}.todo-group-delete:hover{color:var(--danger)}.todo-items{list-style:none;margin:0;padding:4px 0}.todo-item{display:flex;align-items:center;gap:8px;padding:6px 12px;border-bottom:1px solid var(--border-subtle)}.todo-item:last-child{border-bottom:none}.todo-item--done .todo-item-text{text-decoration:line-through;opacity:.55}.todo-item--overdue .todo-item-date{color:var(--danger);font-weight:500}.todo-item-check{flex-shrink:0;width:16px;height:16px;cursor:pointer}.todo-item-text{flex:1;min-width:0;border:none;background:transparent;font-size:13px;color:var(--text);padding:4px 6px;border-radius:var(--radius-sm)}.todo-item-text:focus{outline:none;background:var(--bg-hover)}.todo-item-date,.todo-item-priority{flex-shrink:0;font-size:12px;padding:2px 6px;border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--bg);color:var(--text)}.todo-item-priority.todo-priority-high{border-color:var(--danger);color:var(--danger)}.todo-item-priority.todo-priority-medium{border-color:#d97706;color:#d97706}.todo-item-priority.todo-priority-low{border-color:var(--text-muted);color:var(--text-muted)}.todo-item-delete{padding:0 6px;font-size:16px;color:var(--text-muted);flex-shrink:0;opacity:0}.todo-item:hover .todo-item-delete{opacity:1}.todo-item-delete:hover{color:var(--danger)}.todo-item-add{border-bottom:none}.todo-add-item-btn{width:100%;padding:6px 12px;text-align:left;font-size:12px;color:var(--text-muted);border-radius:var(--radius-sm)}.todo-add-item-btn:hover{background:var(--bg-hover);color:var(--text)}.wiki-suggest{list-style:none;position:absolute;left:12px;right:12px;bottom:12px;max-height:200px;overflow:auto;background:var(--bg-secondary);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);box-shadow:var(--shadow-popover);z-index:10;padding:4px;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px)}.wiki-suggest-empty{padding:10px 12px;font-size:12px;color:var(--text-muted)}.wiki-suggest button{display:flex;justify-content:space-between;align-items:center;width:100%;padding:6px 10px;text-align:left;font-size:13px;border-radius:var(--radius-sm)}.wiki-suggest button:hover,.wiki-suggest button.active{background:var(--accent);color:#fff}.wiki-suggest-title{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.wiki-suggest-meta{font-size:11px;opacity:.7;margin-left:8px;flex-shrink:0}.markdown-preview a.wiki-link{color:var(--accent);text-decoration:underline;cursor:pointer}.markdown-preview a.wiki-link.unresolved{opacity:.55;text-decoration-style:dashed}.markdown-preview.readable-compact .readable-compact-inner{padding:16px 20px 32px;line-height:1.65}.markdown-preview.readable-compact .readable-title{font-size:1.35em;margin:0 0 .75em}.note-textarea{resize:none;border:none;border-radius:0;padding:16px 16px 16px 8px;font-family:var(--mono);font-size:14px;line-height:1.6;outline:none;background:var(--bg);flex:1;width:100%}.markdown-preview{height:100%;overflow:auto;line-height:1.7;background:var(--bg)}.markdown-preview.readable .readable-inner{max-width:720px;margin:0 auto;padding:24px 24px 48px}.readable-title{font-size:2em;font-weight:700;margin:0 0 1em;color:var(--text);line-height:1.2}.markdown-preview blockquote{border-left:3px solid var(--accent);padding-left:1em;margin:1em 0;color:var(--text-muted)}.markdown-preview ul,.markdown-preview ol{margin:.5em 0 1em 1.25em}.markdown-preview li{margin-bottom:.35em}.backlinks-panel.compact{margin-top:2em;padding:1.5em 0 0;border-top:1px solid var(--border);border-bottom:none}.backlink-item.unresolved{opacity:.5;cursor:default}.outgoing-links-panel{padding:8px 12px}.markdown-preview h1,.markdown-preview h2,.markdown-preview h3{margin:1.25em 0 .5em;color:var(--text);line-height:1.3}.markdown-preview p{margin-bottom:.75em}.markdown-preview code{font-family:var(--mono);background:var(--bg-secondary);padding:2px 6px;border-radius:4px}.markdown-preview pre{background:var(--bg-secondary);padding:12px;border-radius:8px;overflow:auto}.markdown-preview img{max-width:100%;border-radius:6px;margin:.5em 0}.preview-img-placeholder,.preview-img-error{display:block;padding:12px 16px;margin:.5em 0;border-radius:6px;border:1px dashed var(--border);background:var(--bg-secondary);color:var(--text-muted);font-size:12px;text-align:left}.preview-img-error{cursor:pointer;color:var(--accent)}.preview-img-error:hover{background:var(--bg-hover)}.markdown-preview a{color:var(--accent);cursor:pointer}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0006;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);display:grid;place-items:center;z-index:100}.cmd-overlay{place-items:start center;padding-top:12vh}.modal{background:var(--bg-secondary);border:1px solid var(--border-subtle);border-radius:var(--radius-xl);padding:20px;min-width:360px;max-width:90vw;box-shadow:var(--shadow-md)}.modal h2{color:var(--text);margin-bottom:16px;font-size:17px;font-weight:600;letter-spacing:-.01em}.modal-label{display:block;margin-bottom:12px;font-size:13px}.modal-label input,.modal-select{display:block;width:100%;margin-top:6px;padding:8px}.modal-actions{display:flex;gap:8px;justify-content:flex-end;margin-top:16px}.modal-error{color:var(--danger);font-size:13px;margin-top:12px}.settings-modal{width:min(680px,92vw);max-height:min(85vh,800px);padding:0;display:flex;flex-direction:column;overflow:hidden}.modal-head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;padding:20px 20px 16px;border-bottom:1px solid var(--border-subtle);flex-shrink:0}.modal-head h2{margin-bottom:0}.modal-subtitle{margin-top:4px;font-size:12px;color:var(--text-muted);line-height:1.45}.modal-close{display:grid;place-items:center;width:32px;height:32px;border-radius:var(--radius-md);color:var(--text-muted);flex-shrink:0;transition:background var(--transition-fast),color var(--transition-fast)}.modal-close:hover{background:var(--bg-hover);color:var(--text)}.modal-body{overflow-y:auto;flex:1;min-height:0}.settings-panel--modal{height:auto;overflow:visible}.vault-switch-list{list-style:none;max-height:240px;overflow:auto}.vault-switch-list button{width:100%;text-align:left;padding:8px 10px;border-radius:var(--radius-sm);font-size:13px}.vault-switch-list button:hover{background:var(--accent);color:#fff}.badge{margin-left:8px;font-size:11px;color:var(--accent)}.command-palette{width:520px;max-width:90vw;background:var(--bg-secondary);border:1px solid var(--border-subtle);border-radius:var(--radius-xl);overflow:hidden;box-shadow:var(--shadow-md);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px)}.cmd-input{width:100%;border:none;border-bottom:1px solid var(--border-subtle);border-radius:0;padding:12px 16px;font-size:15px;background:transparent}.cmd-input:focus{box-shadow:none}.cmd-list{list-style:none;max-height:360px;overflow:auto;padding:4px}.cmd-list button{width:100%;text-align:left;padding:6px 12px;font-size:13px;border-radius:var(--radius-sm)}.cmd-list button:hover,.cmd-list button.active{background:var(--accent);color:#fff}.search-highlight{background:var(--selection);color:var(--text);border-radius:2px;padding:0 2px}.outline-panel{grid-row:1;border-left:1px solid var(--border);overflow:auto;background:var(--bg-secondary)}.outline-list{list-style:none;padding:4px 0}.outline-item{display:block;width:100%;text-align:left;padding:4px 12px;margin:1px 4px;width:calc(100% - 8px);border-radius:var(--radius-sm);font-size:12px;color:var(--text-muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;transition:background var(--transition-fast),color var(--transition-fast)}.outline-item:hover{background:var(--bg-hover);color:var(--text)}.tags-panel{display:flex;flex-direction:column;height:100%}.tag-list{list-style:none;padding:8px;display:flex;flex-wrap:wrap;gap:6px}.tag-chip{display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border-radius:999px;background:var(--bg);border:1px solid var(--border);font-size:12px}.tag-chip.active{border-color:var(--accent);background:var(--selection)}.tag-count{opacity:.6;font-size:11px}.tag-notes{border-top:1px solid var(--border);flex:1;overflow:auto}.tag-notes-header{display:flex;justify-content:space-between;align-items:center;padding:8px 12px;font-size:12px;color:var(--text-muted)}.todo-panel{display:flex;flex-direction:column;height:100%}.todo-panel-header{display:flex;justify-content:space-between;align-items:center}.todo-panel-new-btn{padding:2px 8px;font-size:14px;border-radius:var(--radius-sm)}.todo-panel-new-btn:hover:not(:disabled){background:var(--bg-hover)}.todo-filter-tabs{display:flex;gap:2px;padding:6px 8px;border-bottom:1px solid var(--border);flex-shrink:0}.todo-filter-tab{flex:1;padding:4px 6px;font-size:11px;border-radius:var(--radius-sm);color:var(--text-muted);display:inline-flex;align-items:center;justify-content:center;gap:4px}.todo-filter-tab.active{background:var(--selection);color:var(--accent);font-weight:500}.todo-filter-badge{font-size:10px;padding:0 4px;border-radius:999px;background:var(--accent);color:#fff;min-width:16px;text-align:center}.todo-filter-badge--overdue{background:var(--danger)}.todo-panel-list{list-style:none;flex:1;overflow:auto;padding:4px 0}.todo-panel-item{display:flex;align-items:flex-start;gap:8px;padding:8px 12px;border-bottom:1px solid var(--border-subtle)}.todo-panel-item:hover{background:var(--bg-hover)}.todo-panel-item--done .todo-panel-item-text{text-decoration:line-through;opacity:.55}.todo-panel-item--overdue{background:color-mix(in srgb,var(--danger) 6%,transparent)}.todo-panel-check{flex-shrink:0;margin-top:2px;width:16px;height:16px;cursor:pointer}.todo-panel-item-body{flex:1;min-width:0}.todo-panel-item-row{display:flex;align-items:center;gap:6px}.todo-priority-dot{width:8px;height:8px;border-radius:50%;flex-shrink:0}.todo-priority-dot.todo-priority-high{background:var(--danger)}.todo-priority-dot.todo-priority-medium{background:#d97706}.todo-priority-dot.todo-priority-low{background:var(--text-muted)}.todo-panel-item-text{font-size:13px;color:var(--text);word-break:break-word}.todo-panel-item-meta{display:flex;flex-wrap:wrap;align-items:center;gap:6px;margin-top:4px;font-size:11px;color:var(--text-muted)}.todo-panel-date.overdue{color:var(--danger);font-weight:500}.todo-panel-note-link{color:var(--accent);text-decoration:underline;font-size:11px}.todo-panel-note-link:hover{opacity:.8}.todo-panel-group-label{opacity:.7}.todo-panel-group-label:before{content:"·";margin-right:4px}.auth-page{min-height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:32px 24px;text-align:center;gap:24px}.auth-page__hero{max-width:420px}.auth-page__title{font-size:48px;font-weight:600;letter-spacing:-.03em;color:var(--text);margin-bottom:8px}.auth-page__subtitle{color:var(--text-muted);font-size:15px;line-height:1.47}.auth-page__footnote{font-size:12px;color:var(--text-muted);max-width:420px}.auth-page__btn-lg{font-size:15px;padding:10px 24px;min-height:36px}.onboarding-page{max-width:520px;margin:60px auto;padding:24px}.onboarding-page__title{font-size:22px;font-weight:600;letter-spacing:-.01em;color:var(--text);margin-bottom:8px}.onboarding-page__subtitle{color:var(--text-muted);font-size:13px;line-height:1.47;margin-bottom:24px}.segmented-control{display:inline-flex;padding:2px;border:1px solid var(--border-subtle);border-radius:var(--radius-md);background:var(--bg-tertiary);gap:0;margin-bottom:24px}.segmented-control .btn,.segmented-control .btn-ghost{border:none;border-radius:calc(var(--radius-md) - 2px);min-height:28px}.segmented-control .btn{box-shadow:var(--shadow-sm)}.segmented-control .btn-ghost{background:transparent}.segmented-control .btn-ghost:hover{background:var(--bg-hover)}.form-field{display:block;margin-bottom:24px}.form-field__label{display:block;margin-bottom:8px;color:var(--text-muted);font-size:13px}.form-field input,.form-field select{width:100%;padding:8px 12px}.form-error{color:var(--danger);font-size:13px;margin-bottom:16px}@media(max-width:768px){.app-shell.with-outline{grid-template-columns:var(--ribbon-width) 1fr}.right-sidebar{display:none}.app-shell.with-outline .status-bar{grid-column:2 / 3}.app-shell{grid-template-columns:var(--ribbon-width) 1fr}.sidebar-panel{display:none}.main-panel{grid-column:2}}[data-ui-style=compact]{--radius-sm: 2px;--radius-md: 3px;--radius-lg: 4px;--radius-xl: 4px;--shadow-sm: none;--shadow-md: none;--shadow-popover: none;--transition-fast: 0ms;--transition-normal: 0ms;--focus-ring: 0 0 0 1px var(--accent);--bg-hover: var(--bg-tertiary);--bg-active: var(--bg-tertiary);--selection: color-mix(in srgb, var(--accent) 18%, transparent);--scrollbar-size: 6px;--scrollbar-thumb: var(--border);--scrollbar-thumb-hover: var(--text-muted)}[data-ui-style=compact] body{-webkit-font-smoothing:auto;text-rendering:auto}[data-ui-style=compact] button,[data-ui-style=compact] input,[data-ui-style=compact] textarea,[data-ui-style=compact] select{transition:none}[data-ui-style=compact] .modal-overlay,[data-ui-style=compact] .command-palette,[data-ui-style=compact] .wiki-suggest{-webkit-backdrop-filter:none;backdrop-filter:none}[data-ui-style=compact] .app-shell--unfocused .editor-area{opacity:1}