diff --git a/productpage.php b/productpage.php
index ffd3dc0..81592c1 100644
--- a/productpage.php
+++ b/productpage.php
@@ -33,6 +33,7 @@ $productId = isset($_GET['id']) ? (int)$_GET['id'] : 0;
         <h2>Produkt nicht gefunden</h2>
         <p>Bitte eine gueltige Produkt-ID mitgeben.</p>
     </section>
+
 <?php else: ?>
     <?php
     $stmt = $conn->prepare("
@@ -71,6 +72,11 @@ $productId = isset($_GET['id']) ? (int)$_GET['id'] : 0;
     $product = $result->fetch_assoc();
     ?>
 
+    <?php
+    $alreadyInWishlist = false;
+
+
+    ?>
     <div class="product-wrapper">
         <!-- LINKER BEREICH – BILD -->
         <div class="product-left">
@@ -79,6 +85,43 @@ $productId = isset($_GET['id']) ? (int)$_GET['id'] : 0;
                         src="<?= isset($product['imagePath']) ? $product['imagePath'] : 'assets/images/placeholder.png' ?>"
                         alt="<?= htmlspecialchars($product['model'] ?? 'Produktbild') ?>">
             </div>
+            <?php if (isset($_SESSION['user_id'])): ?>
+
+                <?php if ($alreadyInWishlist): ?>
+
+                    <div class="auth__actions">
+                        <input class="auth__submit" type="button"
+                               value="Bereits in Wunschliste"
+                               disabled>
+                    </div>
+
+                <?php else: ?>
+
+                    <form method="POST">
+                        <input type="hidden" name="product_id" value="<?= (int)$productId ?>">
+                        <input type="hidden" name="add_wishlist" value="1">
+
+                        <div class="auth__actions">
+                            <input class="auth__submit"
+                                   type="submit"
+                                   value="Zur Wunschliste hinzufügen">
+                        </div>
+                    </form>
+
+                <?php endif; ?>
+
+            <?php else: ?>
+
+                <div class="auth__actions">
+                    <a href="login.php">
+                        <input class="auth__submit" type="button"
+                               value="Zum Hinzufügen einloggen">
+                    </a>
+                </div>
+
+            <?php endif; ?>
+
+
         </div>
 
         <!-- RECHTER BEREICH – DETAILS -->
@@ -110,7 +153,7 @@ $productId = isset($_GET['id']) ? (int)$_GET['id'] : 0;
             </div>
         </div>
     </div>
-
+    <div class ="shop-offers"
 
     <?php $stmt->close(); ?>
 <?php endif; ?>