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8px;font-size:12px}.file-tree-search:focus{border-color:hsl(var(--primary))}.file-tree-search::placeholder{color:hsl(var(--muted-foreground))}.file-tree-search-clear{width:16px;height:16px;color:hsl(var(--muted-foreground));cursor:pointer;background:0 0;border:none;border-radius:3px;justify-content:center;align-items:center;display:flex;position:absolute;top:50%;right:4px;transform:translateY(-50%)}.file-tree-search-clear:hover{color:hsl(var(--foreground));background:hsl(var(--bg-hover))}.file-tree-levels{width:24px;height:24px;color:hsl(var(--muted-foreground));cursor:pointer;background:0 0;border:none;border-radius:4px;flex-shrink:0;justify-content:center;align-items:center;display:flex}.file-tree-levels:hover{color:hsl(var(--foreground));background:hsl(var(--bg-hover))}.file-tree-switch{pointer-events:none}.file-tree-switch-control{width:28px!important;height:16px!important}.file-tree-switch-thumb{width:12px!important;height:12px!important}.file-tree-switch-control[data-checked] .file-tree-switch-thumb{transform:translate(12px)!important}.file-tree-list{flex:1;min-height:0;padding-bottom:8px;overflow:auto}.file-tree-empty{color:hsl(var(--muted-foreground));text-align:center;padding:24px 16px;font-size:13px}.workspace-root-header{z-index:1;background:hsl(var(--sidebar-bg));text-transform:uppercase;letter-spacing:.5px;color:hsl(var(--muted-foreground));cursor:pointer;user-select:none;align-items:center;gap:4px;padding:6px 8px;font-size:11px;font-weight:600;display:flex;position:sticky;top:0}.workspace-root-main{flex:1;align-items:center;gap:4px;min-width:0;display:flex;overflow:hidden}.workspace-root-drag-handle{width:14px;height:14px;color:hsl(var(--muted-foreground));opacity:.75;border-radius:3px;flex-shrink:0;justify-content:center;align-items:center;display:flex}.workspace-root-drag-handle:before{content:"";background:currentColor;border-radius:9999px;width:2px;height:2px;box-shadow:0 -4px,0 4px,4px -4px,4px 0,4px 4px}.workspace-root-block{border:1px dashed #0000;border-radius:6px;width:auto;min-width:0;margin:1px 4px}.workspace-root-header:hover{background:hsl(var(--bg-hover))}.workspace-root-active{color:hsl(var(--foreground))}.workspace-root-chevron{transition:transform .15s;display:flex}.workspace-root-chevron-open{transform:rotate(90deg)}.workspace-root-icon{opacity:.7;flex-shrink:0}.workspace-root-name{text-overflow:ellipsis;white-space:nowrap;flex:1;min-width:0;overflow:hidden}.tree-item-wrapper{width:100%}.workspace-root-actions{opacity:0;pointer-events:none;flex-shrink:0;align-items:center;gap:2px;transition:opacity .15s;display:flex}.workspace-root-header:hover .workspace-root-actions,.workspace-root-header:focus-within .workspace-root-actions{opacity:1;pointer-events:auto}.workspace-root-btn{width:20px;height:20px;color:hsl(var(--muted-foreground));cursor:pointer;background:0 0;border:none;border-radius:4px;justify-content:center;align-items:center;transition:background-color .15s,color 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#0000;border-radius:2px;outline:none;flex:auto;min-width:0;margin:-1px;overflow:hidden}.tree-name.tree-name-editing{border-color:hsl(var(--primary));background:hsl(var(--background));cursor:text;user-select:text;text-overflow:clip;overflow:visible}.tree-dirty{color:hsl(var(--primary));margin-left:2px;font-weight:700}.tree-item-more{width:20px;min-width:20px;height:20px;color:hsl(var(--muted-foreground));opacity:0;background:hsl(var(--sidebar-bg));border-radius:4px;flex-shrink:0;justify-content:center;align-items:center;margin-left:auto;transition:opacity .1s;display:flex;position:sticky;right:4px}.tree-item:hover .tree-item-more{opacity:1;background:hsl(var(--bg-hover))}.tree-item.selected .tree-item-more{background:hsl(var(--bg-selected))}.tree-item-more:hover{color:hsl(var(--foreground))}.chevron-expanded{transition:transform .15s;transform:rotate(90deg)}.chevron-collapsed{transition:transform .15s;transform:rotate(0)}.file-tree:focus{outline:none}.tree-item.focused{outline:1px solid hsl(var(--ring) / .55);outline-offset:-2px}.content-toolbar,.editor-toolbar{border-bottom:1px solid hsl(var(--border));background:hsl(var(--background));flex-shrink:0;justify-content:center;align-items:center;gap:2px;padding:2px 12px;display:flex}.content-toolbar-separator{height:16px;margin:0 4px}.content-toolbar-group{align-items:center;gap:0;display:flex}.content-toolbar-btn{width:28px;height:28px;color:hsl(var(--muted-foreground));border-radius:6px;justify-content:center;align-items:center;transition:background-color .15s,color 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hsl(var(--border));flex-direction:column;flex:1;min-width:0;display:flex;overflow:hidden}.content-panels>.editor-panel:only-child,.editor-panel:has(+.resize-handle){border-right:none}.preview-panel{flex-direction:column;flex:1;min-width:0;display:flex;position:relative;overflow:hidden}.editor-container{flex:1;min-width:0;height:100%;overflow:auto}.editor-search-scope{flex:1;min-height:0;display:flex;position:relative}.editor-container .cm-editor{height:100%}.editor-container .cm-scroller{font-family:var(--font-mono);font-size:13px}.content{scrollbar-gutter:stable;background:hsl(var(--background));backface-visibility:hidden;flex:1;position:relative;overflow:hidden auto;transform:translateZ(0)}.toc-panel{background:hsl(var(--secondary));border-left:1px solid hsl(var(--border));flex-direction:column;flex-shrink:0;width:260px;min-height:0;padding:12px 12px 0;font-size:13px;display:flex;overflow:hidden}.toc-panel-options{width:24px;height:24px;color:hsl(var(--muted-foreground));cursor:pointer;background:0 0;border:none;border-radius:4px;flex-shrink:0;justify-content:center;align-items:center;display:inline-flex}.toc-panel-options:hover{color:hsl(var(--foreground));background:hsl(var(--bg-hover))}.toc-panel-empty{color:hsl(var(--muted-foreground));margin:8px 4px;font-size:12px;font-style:italic;line-height:1.4}.toc-panel-tabs{justify-content:center;margin-bottom:12px;display:flex}.toc-panel-section-header{flex-shrink:0;justify-content:space-between;align-items:center;margin-bottom:4px;padding:0 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