diff --git a/src/components/ComponentTreeViewer.tsx b/src/components/ComponentTreeViewer.tsx
index ef9d3ac..6f2fea2 100644
--- a/src/components/ComponentTreeViewer.tsx
+++ b/src/components/ComponentTreeViewer.tsx
@@ -7,15 +7,55 @@ import { Tabs, TabsContent, TabsList, TabsTrigger } from '@/components/ui/tabs'
 import { ScrollArea } from '@/components/ui/scroll-area'
 import { Separator } from '@/components/ui/separator'
 import { toast } from 'sonner'
-import { 
-  Cube, 
-  TreeStructure, 
-  ArrowsClockwise, 
-  CheckCircle, 
+import {
+  Cube,
+  TreeStructure,
+  ArrowsClockwise,
+  CheckCircle,
   Warning,
   Package,
-  Stack
+  Stack,
 } from '@phosphor-icons/react'
+import componentTreeCopy from '@/data/component-tree-viewer.json'
+import { ComponentNode, ComponentTree } from '@/types/project'
+
+type ComponentTreeCategory = 'molecule' | 'organism'
+
+type ComponentTreeWithCategory = ComponentTree & {
+  category?: ComponentTreeCategory
+}
+
+type ComponentTreeHeaderProps = {
+  isLoaded: boolean
+  isLoading: boolean
+  totalTrees: number
+  onReload: () => void
+}
+
+type ComponentTreeStatusProps = {
+  error: Error | null
+}
+
+type ComponentTreeListProps = {
+  trees: ComponentTreeWithCategory[]
+  selectedTreeId: string | null
+  onSelect: (id: string) => void
+  variant: 'molecules' | 'organisms' | 'all'
+}
+
+type ComponentTreeDetailProps = {
+  tree?: ComponentTree
+}
+
+const formatDate = (timestamp: number) => new Date(timestamp).toLocaleDateString()
+
+const getCategoryLabel = (category?: ComponentTreeCategory) => {
+  if (!category) {
+    return ''
+  }
+
+  return componentTreeCopy.categories[category] ?? category
+}
 
 export function ComponentTreeViewer() {
   const {
@@ -33,9 +73,9 @@ export function ComponentTreeViewer() {
   const handleReload = async () => {
     try {
       await reloadFromJSON()
-      toast.success('Component trees reloaded from JSON')
+      toast.success(componentTreeCopy.toast.reloadSuccess)
     } catch (err) {
-      toast.error('Failed to reload component trees')
+      toast.error(componentTreeCopy.toast.reloadError)
     }
   }
 
@@ -43,64 +83,33 @@ export function ComponentTreeViewer() {
 
   return (
     <div className="h-full flex flex-col">
-      <div className="flex items-center justify-between p-4 border-b">
-        <div className="flex items-center gap-3">
-          <TreeStructure size={24} weight="duotone" className="text-primary" />
-          <div>
-            <h2 className="text-lg font-semibold">Component Trees</h2>
-            <p className="text-sm text-muted-foreground">
-              Molecules and organisms loaded from JSON
-            </p>
-          </div>
-        </div>
-        <div className="flex items-center gap-2">
-          {isLoaded && (
-            <Badge variant="outline" className="gap-1">
-              <CheckCircle size={14} weight="fill" className="text-accent" />
-              {allTrees.length} trees loaded
-            </Badge>
-          )}
-          <Button
-            variant="outline"
-            size="sm"
-            onClick={handleReload}
-            disabled={isLoading}
-          >
-            <ArrowsClockwise size={16} className={isLoading ? 'animate-spin' : ''} />
-            Reload
-          </Button>
-        </div>
-      </div>
-
-      {error && (
-        <div className="mx-4 mt-4 p-4 bg-destructive/10 border border-destructive/20 rounded-lg flex items-start gap-3">
-          <Warning size={20} weight="fill" className="text-destructive mt-0.5" />
-          <div>
-            <p className="font-medium text-destructive">Error loading component trees</p>
-            <p className="text-sm text-destructive/80 mt-1">{error.message}</p>
-          </div>
-        </div>
-      )}
+      <ComponentTreeHeader
+        isLoaded={isLoaded}
+        isLoading={isLoading}
+        totalTrees={allTrees.length}
+        onReload={handleReload}
+      />
+      <ComponentTreeStatus error={error} />
 
       <Tabs defaultValue="molecules" className="flex-1 flex flex-col">
         <TabsList className="mx-4 mt-4 grid w-auto grid-cols-3">
           <TabsTrigger value="molecules" className="gap-2">
             <Package size={16} />
-            Molecules
+            {componentTreeCopy.tabs.molecules}
             <Badge variant="secondary" className="ml-1">
               {moleculeTrees.length}
             </Badge>
           </TabsTrigger>
           <TabsTrigger value="organisms" className="gap-2">
             <Stack size={16} />
-            Organisms
+            {componentTreeCopy.tabs.organisms}
             <Badge variant="secondary" className="ml-1">
               {organismTrees.length}
             </Badge>
           </TabsTrigger>
           <TabsTrigger value="all" className="gap-2">
             <Cube size={16} />
-            All
+            {componentTreeCopy.tabs.all}
             <Badge variant="secondary" className="ml-1">
               {allTrees.length}
             </Badge>
@@ -109,161 +118,37 @@ export function ComponentTreeViewer() {
 
         <TabsContent value="molecules" className="flex-1 mt-4">
           <div className="grid grid-cols-2 gap-4 px-4">
-            <ScrollArea className="h-[calc(100vh-280px)]">
-              <div className="space-y-3 pr-4">
-                {moleculeTrees.map(tree => (
-                  <Card
-                    key={tree.id}
-                    className={`cursor-pointer transition-colors hover:bg-accent/50 ${
-                      selectedTreeId === tree.id ? 'border-primary' : ''
-                    }`}
-                    onClick={() => setSelectedTreeId(tree.id)}
-                  >
-                    <CardHeader className="pb-3">
-                      <CardTitle className="text-base flex items-center gap-2">
-                        <Package size={18} weight="duotone" className="text-primary" />
-                        {tree.name}
-                      </CardTitle>
-                      <CardDescription className="text-xs">
-                        {tree.description}
-                      </CardDescription>
-                    </CardHeader>
-                    <CardContent className="pb-3">
-                      <div className="flex items-center gap-4 text-xs text-muted-foreground">
-                        <span>{tree.rootNodes.length} root nodes</span>
-                        <Separator orientation="vertical" className="h-3" />
-                        <span>
-                          {new Date(tree.updatedAt).toLocaleDateString()}
-                        </span>
-                      </div>
-                    </CardContent>
-                  </Card>
-                ))}
-              </div>
-            </ScrollArea>
-
-            <div className="border-l pl-4">
-              {selectedTree ? (
-                <TreeDetails tree={selectedTree} />
-              ) : (
-                <div className="flex items-center justify-center h-full text-muted-foreground">
-                  <div className="text-center">
-                    <TreeStructure size={48} weight="duotone" className="mx-auto mb-2 opacity-50" />
-                    <p className="text-sm">Select a tree to view details</p>
-                  </div>
-                </div>
-              )}
-            </div>
+            <ComponentTreeList
+              trees={moleculeTrees}
+              selectedTreeId={selectedTreeId}
+              onSelect={setSelectedTreeId}
+              variant="molecules"
+            />
+            <ComponentTreeDetails tree={selectedTree} />
           </div>
         </TabsContent>
 
         <TabsContent value="organisms" className="flex-1 mt-4">
           <div className="grid grid-cols-2 gap-4 px-4">
-            <ScrollArea className="h-[calc(100vh-280px)]">
-              <div className="space-y-3 pr-4">
-                {organismTrees.map(tree => (
-                  <Card
-                    key={tree.id}
-                    className={`cursor-pointer transition-colors hover:bg-accent/50 ${
-                      selectedTreeId === tree.id ? 'border-primary' : ''
-                    }`}
-                    onClick={() => setSelectedTreeId(tree.id)}
-                  >
-                    <CardHeader className="pb-3">
-                      <CardTitle className="text-base flex items-center gap-2">
-                        <Stack size={18} weight="duotone" className="text-primary" />
-                        {tree.name}
-                      </CardTitle>
-                      <CardDescription className="text-xs">
-                        {tree.description}
-                      </CardDescription>
-                    </CardHeader>
-                    <CardContent className="pb-3">
-                      <div className="flex items-center gap-4 text-xs text-muted-foreground">
-                        <span>{tree.rootNodes.length} root nodes</span>
-                        <Separator orientation="vertical" className="h-3" />
-                        <span>
-                          {new Date(tree.updatedAt).toLocaleDateString()}
-                        </span>
-                      </div>
-                    </CardContent>
-                  </Card>
-                ))}
-              </div>
-            </ScrollArea>
-
-            <div className="border-l pl-4">
-              {selectedTree ? (
-                <TreeDetails tree={selectedTree} />
-              ) : (
-                <div className="flex items-center justify-center h-full text-muted-foreground">
-                  <div className="text-center">
-                    <TreeStructure size={48} weight="duotone" className="mx-auto mb-2 opacity-50" />
-                    <p className="text-sm">Select a tree to view details</p>
-                  </div>
-                </div>
-              )}
-            </div>
+            <ComponentTreeList
+              trees={organismTrees}
+              selectedTreeId={selectedTreeId}
+              onSelect={setSelectedTreeId}
+              variant="organisms"
+            />
+            <ComponentTreeDetails tree={selectedTree} />
           </div>
         </TabsContent>
 
         <TabsContent value="all" className="flex-1 mt-4">
           <div className="grid grid-cols-2 gap-4 px-4">
-            <ScrollArea className="h-[calc(100vh-280px)]">
-              <div className="space-y-3 pr-4">
-                {allTrees.map(tree => {
-                  const category = (tree as any).category
-                  return (
-                    <Card
-                      key={tree.id}
-                      className={`cursor-pointer transition-colors hover:bg-accent/50 ${
-                        selectedTreeId === tree.id ? 'border-primary' : ''
-                      }`}
-                      onClick={() => setSelectedTreeId(tree.id)}
-                    >
-                      <CardHeader className="pb-3">
-                        <CardTitle className="text-base flex items-center gap-2">
-                          {category === 'molecule' ? (
-                            <Package size={18} weight="duotone" className="text-primary" />
-                          ) : (
-                            <Stack size={18} weight="duotone" className="text-primary" />
-                          )}
-                          {tree.name}
-                          <Badge variant="outline" className="ml-auto text-xs">
-                            {category}
-                          </Badge>
-                        </CardTitle>
-                        <CardDescription className="text-xs">
-                          {tree.description}
-                        </CardDescription>
-                      </CardHeader>
-                      <CardContent className="pb-3">
-                        <div className="flex items-center gap-4 text-xs text-muted-foreground">
-                          <span>{tree.rootNodes.length} root nodes</span>
-                          <Separator orientation="vertical" className="h-3" />
-                          <span>
-                            {new Date(tree.updatedAt).toLocaleDateString()}
-                          </span>
-                        </div>
-                      </CardContent>
-                    </Card>
-                  )
-                })}
-              </div>
-            </ScrollArea>
-
-            <div className="border-l pl-4">
-              {selectedTree ? (
-                <TreeDetails tree={selectedTree} />
-              ) : (
-                <div className="flex items-center justify-center h-full text-muted-foreground">
-                  <div className="text-center">
-                    <TreeStructure size={48} weight="duotone" className="mx-auto mb-2 opacity-50" />
-                    <p className="text-sm">Select a tree to view details</p>
-                  </div>
-                </div>
-              )}
-            </div>
+            <ComponentTreeList
+              trees={allTrees}
+              selectedTreeId={selectedTreeId}
+              onSelect={setSelectedTreeId}
+              variant="all"
+            />
+            <ComponentTreeDetails tree={selectedTree} />
           </div>
         </TabsContent>
       </Tabs>
@@ -271,53 +156,187 @@ export function ComponentTreeViewer() {
   )
 }
 
-function TreeDetails({ tree }: { tree: any }) {
-  const renderNode = (node: any, depth = 0) => {
-    return (
-      <div key={node.id} className="space-y-2">
-        <div 
-          className="p-2 rounded-md bg-muted/40 border text-xs"
-          style={{ marginLeft: `${depth * 16}px` }}
-        >
-          <div className="flex items-center justify-between mb-1">
-            <span className="font-medium">{node.name || node.type}</span>
-            <Badge variant="secondary" className="text-xs">
-              {node.type}
-            </Badge>
-          </div>
-          {node.props && Object.keys(node.props).length > 0 && (
-            <div className="text-muted-foreground mt-1">
-              Props: {Object.keys(node.props).length}
-            </div>
-          )}
+function ComponentTreeHeader({
+  isLoaded,
+  isLoading,
+  totalTrees,
+  onReload,
+}: ComponentTreeHeaderProps) {
+  return (
+    <div className="flex items-center justify-between p-4 border-b">
+      <div className="flex items-center gap-3">
+        <TreeStructure size={24} weight="duotone" className="text-primary" />
+        <div>
+          <h2 className="text-lg font-semibold">{componentTreeCopy.header.title}</h2>
+          <p className="text-sm text-muted-foreground">
+            {componentTreeCopy.header.subtitle}
+          </p>
+        </div>
+      </div>
+      <div className="flex items-center gap-2">
+        {isLoaded && (
+          <Badge variant="outline" className="gap-1">
+            <CheckCircle size={14} weight="fill" className="text-accent" />
+            {totalTrees} {componentTreeCopy.header.loadedLabel}
+          </Badge>
+        )}
+        <Button variant="outline" size="sm" onClick={onReload} disabled={isLoading}>
+          <ArrowsClockwise size={16} className={isLoading ? 'animate-spin' : ''} />
+          {componentTreeCopy.header.reloadLabel}
+        </Button>
+      </div>
+    </div>
+  )
+}
+
+function ComponentTreeStatus({ error }: ComponentTreeStatusProps) {
+  if (!error) {
+    return null
+  }
+
+  return (
+    <div className="mx-4 mt-4 p-4 bg-destructive/10 border border-destructive/20 rounded-lg flex items-start gap-3">
+      <Warning size={20} weight="fill" className="text-destructive mt-0.5" />
+      <div>
+        <p className="font-medium text-destructive">{componentTreeCopy.status.errorTitle}</p>
+        <p className="text-sm text-destructive/80 mt-1">{error.message}</p>
+      </div>
+    </div>
+  )
+}
+
+function ComponentTreeList({
+  trees,
+  selectedTreeId,
+  onSelect,
+  variant,
+}: ComponentTreeListProps) {
+  return (
+    <ScrollArea className="h-[calc(100vh-280px)]">
+      <div className="space-y-3 pr-4">
+        {trees.map(tree => {
+          const categoryLabel = variant === 'all' ? getCategoryLabel(tree.category) : ''
+          const treeIcon =
+            variant === 'molecules'
+              ? 'molecule'
+              : variant === 'organisms'
+              ? 'organism'
+              : tree.category
+
+          return (
+            <Card
+              key={tree.id}
+              className={`cursor-pointer transition-colors hover:bg-accent/50 ${
+                selectedTreeId === tree.id ? 'border-primary' : ''
+              }`}
+              onClick={() => onSelect(tree.id)}
+            >
+              <CardHeader className="pb-3">
+                <CardTitle className="text-base flex items-center gap-2">
+                  {treeIcon === 'molecule' ? (
+                    <Package size={18} weight="duotone" className="text-primary" />
+                  ) : (
+                    <Stack size={18} weight="duotone" className="text-primary" />
+                  )}
+                  {tree.name}
+                  {categoryLabel ? (
+                    <Badge variant="outline" className="ml-auto text-xs">
+                      {categoryLabel}
+                    </Badge>
+                  ) : null}
+                </CardTitle>
+                <CardDescription className="text-xs">{tree.description}</CardDescription>
+              </CardHeader>
+              <CardContent className="pb-3">
+                <div className="flex items-center gap-4 text-xs text-muted-foreground">
+                  <span>
+                    {tree.rootNodes.length} {componentTreeCopy.labels.rootNodes}
+                  </span>
+                  <Separator orientation="vertical" className="h-3" />
+                  <span>{formatDate(tree.updatedAt)}</span>
+                </div>
+              </CardContent>
+            </Card>
+          )
+        })}
+      </div>
+    </ScrollArea>
+  )
+}
+
+function ComponentTreeDetails({ tree }: ComponentTreeDetailProps) {
+  if (!tree) {
+    return (
+      <div className="border-l pl-4">
+        <div className="flex items-center justify-center h-full text-muted-foreground">
+          <div className="text-center">
+            <TreeStructure size={48} weight="duotone" className="mx-auto mb-2 opacity-50" />
+            <p className="text-sm">{componentTreeCopy.status.selectPrompt}</p>
+          </div>
         </div>
-        {node.children && node.children.map((child: any) => renderNode(child, depth + 1))}
       </div>
     )
   }
 
   return (
-    <ScrollArea className="h-[calc(100vh-280px)]">
-      <div className="pr-4">
-        <div className="mb-4">
-          <h3 className="font-semibold mb-2">{tree.name}</h3>
-          <p className="text-sm text-muted-foreground mb-4">{tree.description}</p>
-          <div className="flex gap-2 mb-4">
-            <Badge variant="outline">
-              {tree.rootNodes.length} root nodes
-            </Badge>
-            <Badge variant="outline">
-              ID: {tree.id}
-            </Badge>
+    <div className="border-l pl-4">
+      <ScrollArea className="h-[calc(100vh-280px)]">
+        <div className="pr-4">
+          <div className="mb-4">
+            <h3 className="font-semibold mb-2">{tree.name}</h3>
+            <p className="text-sm text-muted-foreground mb-4">{tree.description}</p>
+            <div className="flex gap-2 mb-4">
+              <Badge variant="outline">
+                {tree.rootNodes.length} {componentTreeCopy.labels.rootNodes}
+              </Badge>
+              <Badge variant="outline">
+                {componentTreeCopy.labels.id}: {tree.id}
+              </Badge>
+            </div>
+            <Separator className="my-4" />
           </div>
-          <Separator className="my-4" />
-        </div>
 
-        <div className="space-y-2">
-          <h4 className="text-sm font-semibold mb-3">Component Tree Structure</h4>
-          {tree.rootNodes.map((node: any) => renderNode(node))}
+          <div className="space-y-2">
+            <h4 className="text-sm font-semibold mb-3">
+              {componentTreeCopy.labels.structureTitle}
+            </h4>
+            {tree.rootNodes.map(node => (
+              <ComponentTreeNode key={node.id} node={node} />
+            ))}
+          </div>
         </div>
-      </div>
-    </ScrollArea>
+      </ScrollArea>
+    </div>
+  )
+}
+
+type ComponentTreeNodeProps = {
+  node: ComponentNode
+  depth?: number
+}
+
+function ComponentTreeNode({ node, depth = 0 }: ComponentTreeNodeProps) {
+  return (
+    <div className="space-y-2">
+      <div
+        className="p-2 rounded-md bg-muted/40 border text-xs"
+        style={{ marginLeft: `${depth * 16}px` }}
+      >
+        <div className="flex items-center justify-between mb-1">
+          <span className="font-medium">{node.name || node.type}</span>
+          <Badge variant="secondary" className="text-xs">
+            {node.type}
+          </Badge>
+        </div>
+        {Object.keys(node.props).length > 0 && (
+          <div className="text-muted-foreground mt-1">
+            {componentTreeCopy.labels.props}: {Object.keys(node.props).length}
+          </div>
+        )}
+      </div>
+      {node.children.map(child => (
+        <ComponentTreeNode key={child.id} node={child} depth={depth + 1} />
+      ))}
+    </div>
   )
 }
diff --git a/src/data/component-tree-viewer.json b/src/data/component-tree-viewer.json
new file mode 100644
index 0000000..d52cafb
--- /dev/null
+++ b/src/data/component-tree-viewer.json
@@ -0,0 +1,31 @@
+{
+  "header": {
+    "title": "Component Trees",
+    "subtitle": "Molecules and organisms loaded from JSON",
+    "loadedLabel": "trees loaded",
+    "reloadLabel": "Reload"
+  },
+  "tabs": {
+    "molecules": "Molecules",
+    "organisms": "Organisms",
+    "all": "All"
+  },
+  "status": {
+    "errorTitle": "Error loading component trees",
+    "selectPrompt": "Select a tree to view details"
+  },
+  "labels": {
+    "rootNodes": "root nodes",
+    "id": "ID",
+    "structureTitle": "Component Tree Structure",
+    "props": "Props"
+  },
+  "categories": {
+    "molecule": "molecule",
+    "organism": "organism"
+  },
+  "toast": {
+    "reloadSuccess": "Component trees reloaded from JSON",
+    "reloadError": "Failed to reload component trees"
+  }
+}