diff --git a/shop/components/admin/product-list.tsx b/shop/components/admin/product-list.tsx
index 356dfe8..3f5facf 100644
--- a/shop/components/admin/product-list.tsx
+++ b/shop/components/admin/product-list.tsx
@@ -11,18 +11,57 @@ import {
 } from '@/components/ui/table'
 import { Card, CardContent, CardDescription, CardHeader, CardTitle } from '@/components/ui/card'
 import { Badge } from '@/components/ui/badge'
-import { Edit2, Trash2, Layers, ArrowUpDown } from 'lucide-react'
+import { Edit2, Trash2, Layers, ArrowUpDown, Copy } from 'lucide-react'
 import { Button } from '@/components/ui/button'
 import { Checkbox } from '@/components/ui/checkbox'
-import { deleteProduct } from '@/lib/actions/products'
+import { deleteProduct, transferModules } from '@/lib/actions/products'
 import { useState, useEffect, useMemo, Fragment } from 'react'
 import { CreateProductDialog } from './create-product-dialog'
+import { useRouter } from 'next/navigation'
+import {
+  Dialog,
+  DialogContent,
+  DialogDescription,
+  DialogHeader,
+  DialogTitle,
+  DialogFooter,
+} from "@/components/ui/dialog"
+import {
+  Select,
+  SelectContent,
+  SelectItem,
+  SelectTrigger,
+  SelectValue,
+} from "@/components/ui/select"
+import { RadioGroup, RadioGroupItem } from "@/components/ui/radio-group"
+import { Label } from "@/components/ui/label"
 
 export function ProductList({ initialProducts, categories }: { initialProducts: Product[], categories: Category[] }) {
   const [products, setProducts] = useState(initialProducts)
   const [isGroupedByCategory, setIsGroupedByCategory] = useState(false)
   const [showKauf, setShowKauf] = useState(true)
   const [showAbo, setShowAbo] = useState(true)
+  const [copySourceProduct, setCopySourceProduct] = useState<Product | null>(null)
+  const [copyTargetProductId, setCopyTargetProductId] = useState<string>('')
+  const [copyMode, setCopyMode] = useState<'overwrite' | 'append'>('overwrite')
+  const [isCopying, setIsCopying] = useState(false)
+  const router = useRouter()
+
+  const handleCopyModules = async () => {
+    if (!copySourceProduct || !copyTargetProductId) return
+    setIsCopying(true)
+    try {
+      await transferModules(copySourceProduct.id, copyTargetProductId, copyMode)
+      setCopySourceProduct(null)
+      setCopyTargetProductId('')
+      router.refresh()
+    } catch (err) {
+      console.error('Error copying modules:', err)
+      alert('Fehler beim Kopieren der Module.')
+    } finally {
+      setIsCopying(false)
+    }
+  }
 
   useEffect(() => {
     setProducts(initialProducts)
@@ -103,6 +142,18 @@ export function ProductList({ initialProducts, categories }: { initialProducts:
       </TableCell>
       <TableCell className="text-right">
         <div className="flex justify-end gap-2">
+          <Button
+            variant="ghost"
+            size="icon"
+            className="h-8 w-8 text-slate-500 hover:text-slate-900 dark:text-slate-400 dark:hover:text-white"
+            onClick={() => {
+              setCopySourceProduct(product)
+              setCopyTargetProductId('')
+            }}
+            title="Module kopieren"
+          >
+            <Copy className="h-4 w-4" />
+          </Button>
           <CreateProductDialog categories={categories} product={product}>
             <Button variant="ghost" size="icon" className="h-8 w-8 text-slate-500 hover:text-slate-900 dark:text-slate-400 dark:hover:text-white">
               <Edit2 className="h-4 w-4" />
@@ -122,78 +173,139 @@ export function ProductList({ initialProducts, categories }: { initialProducts:
   )
 
   return (
-    <Card className="bg-white dark:bg-slate-900/50 border border-slate-200 dark:border-white/10 shadow-sm overflow-hidden text-slate-900 dark:text-white">
-      <CardHeader className="flex flex-col lg:flex-row lg:items-center lg:justify-between gap-4">
-        <div>
-          <CardTitle>Produktübersicht</CardTitle>
-          <CardDescription className="text-slate-500 dark:text-slate-400">
-            Alle konfigurierten Software-Lösungen und Erweiterungen.
-          </CardDescription>
-        </div>
-        <div className="flex flex-wrap items-center gap-6">
-          <label className="flex items-center gap-2 text-sm font-medium text-slate-700 dark:text-slate-300 cursor-pointer select-none">
-            <Checkbox
-              checked={showKauf}
-              onCheckedChange={(checked) => setShowKauf(!!checked)}
-            />
-            In Kaufauswahl
-          </label>
-          <label className="flex items-center gap-2 text-sm font-medium text-slate-700 dark:text-slate-300 cursor-pointer select-none">
-            <Checkbox
-              checked={showAbo}
-              onCheckedChange={(checked) => setShowAbo(!!checked)}
-            />
-            In Aboauswahl
-          </label>
-          <Button
-            variant="outline"
-            size="sm"
-            onClick={toggleGroupByCategory}
-            className={`border-slate-200 dark:border-white/10 hover:bg-slate-100 dark:hover:bg-white/10 text-slate-700 dark:text-white ${
-              isGroupedByCategory ? 'bg-primary/10 border-primary text-primary hover:bg-primary/20 dark:bg-primary/20 dark:border-primary dark:text-primary-foreground' : ''
-            }`}
-          >
-            <ArrowUpDown className="w-4 h-4 mr-2" />
-            {isGroupedByCategory ? 'Kategoriengruppierung aktiv' : 'Nach Kategorien gruppieren'}
-          </Button>
-        </div>
-      </CardHeader>
-      <CardContent>
-        <Table>
-          <TableHeader>
-            <TableRow className="border-slate-200 dark:border-white/10 hover:bg-slate-50 dark:hover:bg-white/5">
-              <TableHead className="text-slate-700 dark:text-white font-bold">Name</TableHead>
-              <TableHead className="text-slate-700 dark:text-white font-bold">Basispreis</TableHead>
-              <TableHead className="text-slate-700 dark:text-white font-bold">Module</TableHead>
-              <TableHead className="text-slate-700 dark:text-white font-bold">Status</TableHead>
-              <TableHead className="text-right text-slate-700 dark:text-white font-bold">Aktionen</TableHead>
-            </TableRow>
-          </TableHeader>
-          <TableBody>
-            {isGroupedByCategory ? (
-              groupedProducts.map((group) => (
-                <Fragment key={group.category?.id || 'no-category'}>
-                  <TableRow className="bg-slate-100 dark:bg-slate-800/40 hover:bg-slate-100 dark:hover:bg-slate-800/40 border-b border-slate-200 dark:border-white/10">
-                    <TableCell colSpan={5} className="text-primary font-bold py-2.5 text-xs uppercase tracking-wider">
-                      {group.category ? group.category.name : 'Keine Kategorie'}
-                    </TableCell>
-                  </TableRow>
-                  {group.products.map((product) => renderProductRow(product))}
-                </Fragment>
-              ))
-            ) : (
-              filteredProducts.map((product) => renderProductRow(product))
-            )}
-            {filteredProducts.length === 0 && (
-              <TableRow>
-                <TableCell colSpan={5} className="text-center py-10 text-slate-500 dark:text-slate-400">
-                  Keine Produkte gefunden. Passen Sie Ihre Filter an.
-                </TableCell>
+    <>
+      <Card className="bg-white dark:bg-slate-900/50 border border-slate-200 dark:border-white/10 shadow-sm overflow-hidden text-slate-900 dark:text-white">
+        <CardHeader className="flex flex-col lg:flex-row lg:items-center lg:justify-between gap-4">
+          <div>
+            <CardTitle>Produktübersicht</CardTitle>
+            <CardDescription className="text-slate-500 dark:text-slate-400">
+              Alle konfigurierten Software-Lösungen und Erweiterungen.
+            </CardDescription>
+          </div>
+          <div className="flex flex-wrap items-center gap-6">
+            <label className="flex items-center gap-2 text-sm font-medium text-slate-700 dark:text-slate-300 cursor-pointer select-none">
+              <Checkbox
+                checked={showKauf}
+                onCheckedChange={(checked) => setShowKauf(!!checked)}
+              />
+              In Kaufauswahl
+            </label>
+            <label className="flex items-center gap-2 text-sm font-medium text-slate-700 dark:text-slate-300 cursor-pointer select-none">
+              <Checkbox
+                checked={showAbo}
+                onCheckedChange={(checked) => setShowAbo(!!checked)}
+              />
+              In Aboauswahl
+            </label>
+            <Button
+              variant="outline"
+              size="sm"
+              onClick={toggleGroupByCategory}
+              className={`border-slate-200 dark:border-white/10 hover:bg-slate-100 dark:hover:bg-white/10 text-slate-700 dark:text-white ${
+                isGroupedByCategory ? 'bg-primary/10 border-primary text-primary hover:bg-primary/20 dark:bg-primary/20 dark:border-primary dark:text-primary-foreground' : ''
+              }`}
+            >
+              <ArrowUpDown className="w-4 h-4 mr-2" />
+              {isGroupedByCategory ? 'Kategoriengruppierung aktiv' : 'Nach Kategorien gruppieren'}
+            </Button>
+          </div>
+        </CardHeader>
+        <CardContent>
+          <Table>
+            <TableHeader>
+              <TableRow className="border-slate-200 dark:border-white/10 hover:bg-slate-50 dark:hover:bg-white/5">
+                <TableHead className="text-slate-700 dark:text-white font-bold">Name</TableHead>
+                <TableHead className="text-slate-700 dark:text-white font-bold">Basispreis</TableHead>
+                <TableHead className="text-slate-700 dark:text-white font-bold">Module</TableHead>
+                <TableHead className="text-slate-700 dark:text-white font-bold">Status</TableHead>
+                <TableHead className="text-right text-slate-700 dark:text-white font-bold">Aktionen</TableHead>
               </TableRow>
-            )}
-          </TableBody>
-        </Table>
-      </CardContent>
-    </Card>
+            </TableHeader>
+            <TableBody>
+              {isGroupedByCategory ? (
+                groupedProducts.map((group) => (
+                  <Fragment key={group.category?.id || 'no-category'}>
+                    <TableRow className="bg-slate-100 dark:bg-slate-800/40 hover:bg-slate-100 dark:hover:bg-slate-800/40 border-b border-slate-200 dark:border-white/10">
+                      <TableCell colSpan={5} className="text-primary font-bold py-2.5 text-xs uppercase tracking-wider">
+                        {group.category ? group.category.name : 'Keine Kategorie'}
+                      </TableCell>
+                    </TableRow>
+                    {group.products.map((product) => renderProductRow(product))}
+                  </Fragment>
+                ))
+              ) : (
+                filteredProducts.map((product) => renderProductRow(product))
+              )}
+              {filteredProducts.length === 0 && (
+                <TableRow>
+                  <TableCell colSpan={5} className="text-center py-10 text-slate-500 dark:text-slate-400">
+                    Keine Produkte gefunden. Passen Sie Ihre Filter an.
+                  </TableCell>
+                </TableRow>
+              )}
+            </TableBody>
+          </Table>
+        </CardContent>
+      </Card>
+
+      <Dialog open={!!copySourceProduct} onOpenChange={(open) => { if (!open) setCopySourceProduct(null) }}>
+        <DialogContent className="sm:max-w-[425px] bg-white dark:bg-slate-950 text-slate-900 dark:text-white border-slate-200 dark:border-white/10 shadow-2xl">
+          <DialogHeader>
+            <DialogTitle>Module übertragen</DialogTitle>
+            <DialogDescription className="text-slate-500 dark:text-slate-400">
+              Kopieren Sie alle Module von <strong>{copySourceProduct?.name}</strong> auf ein anderes Produkt.
+            </DialogDescription>
+          </DialogHeader>
+
+          <div className="grid gap-4 py-4">
+            <div className="flex flex-col gap-2">
+              <Label htmlFor="target-product">Ziel-Produkt</Label>
+              <Select value={copyTargetProductId} onValueChange={setCopyTargetProductId}>
+                <SelectTrigger id="target-product" className="bg-slate-50 dark:bg-white/5 border-slate-200 dark:border-white/10 text-slate-900 dark:text-white">
+                  <SelectValue placeholder="Ziel-Produkt auswählen" />
+                </SelectTrigger>
+                <SelectContent className="bg-white dark:bg-slate-950 border-slate-200 dark:border-white/10 text-slate-900 dark:text-white">
+                  {products
+                    .filter(p => p.id !== copySourceProduct?.id)
+                    .map(p => (
+                      <SelectItem key={p.id} value={p.id} className="focus:bg-slate-100 dark:focus:bg-white/5">
+                        {p.name}
+                      </SelectItem>
+                    ))
+                  }
+                </SelectContent>
+              </Select>
+            </div>
+
+            <div className="flex flex-col gap-2">
+              <Label>Übertragungsmodus</Label>
+              <RadioGroup value={copyMode} onValueChange={(val: any) => setCopyMode(val)} className="flex flex-col gap-2">
+                <div className="flex items-center space-x-2">
+                  <RadioGroupItem value="overwrite" id="mode-overwrite" />
+                  <Label htmlFor="mode-overwrite" className="font-normal cursor-pointer text-slate-700 dark:text-slate-300">
+                    Bestehende Module überschreiben
+                  </Label>
+                </div>
+                <div className="flex items-center space-x-2">
+                  <RadioGroupItem value="append" id="mode-append" />
+                  <Label htmlFor="mode-append" className="font-normal cursor-pointer text-slate-700 dark:text-slate-300">
+                    Module anfügen (bestehende behalten)
+                  </Label>
+                </div>
+              </RadioGroup>
+            </div>
+          </div>
+
+          <DialogFooter>
+            <Button variant="outline" onClick={() => setCopySourceProduct(null)} disabled={isCopying} className="border-slate-200 dark:border-white/10 text-slate-900 dark:text-white">
+              Abbrechen
+            </Button>
+            <Button onClick={handleCopyModules} disabled={!copyTargetProductId || isCopying} className="bg-primary text-white hover:bg-primary/90">
+              {isCopying ? 'Wird kopiert...' : 'Module übertragen'}
+            </Button>
+          </DialogFooter>
+        </DialogContent>
+      </Dialog>
+    </>
   )
 }
diff --git a/shop/lib/actions/products.ts b/shop/lib/actions/products.ts
index c063e71..732bb96 100644
--- a/shop/lib/actions/products.ts
+++ b/shop/lib/actions/products.ts
@@ -148,3 +148,61 @@ export async function deleteProduct(id: string) {
   revalidatePath('/admin/products')
   revalidatePath('/order')
 }
+
+export async function transferModules(
+  sourceProductId: string,
+  targetProductId: string,
+  mode: 'overwrite' | 'append'
+) {
+  const supabase = await createClient()
+
+  // 1. Fetch modules of source product
+  const { data: sourceModules, error: fetchError } = await supabase
+    .from('product_modules')
+    .select('*')
+    .eq('product_id', sourceProductId)
+
+  if (fetchError) throw fetchError
+  if (!sourceModules || sourceModules.length === 0) return
+
+  // 2. If overwrite, delete existing modules of target product
+  if (mode === 'overwrite') {
+    const { error: deleteError } = await supabase
+      .from('product_modules')
+      .delete()
+      .eq('product_id', targetProductId)
+    if (deleteError) throw deleteError
+  }
+
+  // 3. Map IDs to new UUIDs and fix requirements/exclusions
+  const idMap: Record<string, string> = {}
+  sourceModules.forEach(m => {
+    idMap[m.id] = randomUUID()
+  })
+
+  const newModules = sourceModules.map(m => {
+    const newId = idMap[m.id]
+    const requirements = (m.requirements || []).map((id: string) => idMap[id] || id)
+    const exclusions = (m.exclusions || []).map((id: string) => idMap[id] || id)
+    return {
+      id: newId,
+      product_id: targetProductId,
+      name: m.name,
+      description: m.description,
+      price: m.price,
+      requirements,
+      exclusions,
+      has_quantity: m.has_quantity ?? false,
+    }
+  })
+
+  // 4. Insert into DB
+  const { error: insertError } = await supabase
+    .from('product_modules')
+    .insert(newModules)
+
+  if (insertError) throw insertError
+
+  revalidatePath('/admin/products')
+  revalidatePath('/order')
+}