feat: add search functionality with results display and remove autocomplete script

compcards.php

@@ -11,6 +11,64 @@ error_reporting(E_ALL);
 $conn = db_connect();
 ?>
 
+<?php
+// ─────────────────────────────────────────────
+// Reine PHP-Suche (GET ?search=...)
+// Wenn ein Suchbegriff vorhanden ist, zeigen wir nur Suchergebnisse
+// (statt der Kategorie-Sektionen).
+// ─────────────────────────────────────────────
+$searchTerm = isset($_GET['search']) ? trim((string)$_GET['search']) : '';
+if ($searchTerm !== '' && mb_strlen($searchTerm, 'UTF-8') >= 2) {
+    $like = addcslashes($searchTerm, "%_\\");
+    $like = '%' . $like . '%';
+
+    $stmtSearch = $conn->prepare("
+        SELECT productID, model, description, imagePath
+        FROM products
+        WHERE model LIKE ? OR description LIKE ?
+        ORDER BY model ASC
+        LIMIT 60
+    ");
+
+    if ($stmtSearch) {
+        $stmtSearch->bind_param('ss', $like, $like);
+        $stmtSearch->execute();
+        $resultSearch = $stmtSearch->get_result();
+        ?>
+
+        <section class="product-section">
+            <h2>Suchergebnisse für „<?= htmlspecialchars($searchTerm) ?>“</h2>
+
+            <?php if ($resultSearch->num_rows <= 0): ?>
+                <p style="color: var(--text-secondary); margin-top: 8px;">Keine Produkte gefunden.</p>
+            <?php else: ?>
+                <div class="product-grid" style="margin-top: 14px;">
+                    <?php while ($product = $resultSearch->fetch_assoc()): ?>
+                        <?php $productId = (int)$product['productID']; ?>
+                        <a class="product-card" href="productpage.php?id=<?= $productId ?>">
+                            <img
+                                src="<?= !empty($product['imagePath']) ? htmlspecialchars($product['imagePath']) : 'assets/images/placeholder.png' ?>"
+                                alt="<?= htmlspecialchars($product['model'] ?? '') ?>">
+
+                            <div class="product-card__content">
+                                <h3><?= htmlspecialchars($product['model'] ?? '') ?></h3>
+                                <p><?= htmlspecialchars($product['description'] ?? '') ?></p>
+                            </div>
+                        </a>
+                    <?php endwhile; ?>
+                </div>
+            <?php endif; ?>
+        </section>
+
+        <?php
+        $stmtSearch->close();
+    }
+
+    // Wichtig: In Suchmodus KEINE Kategorien rendern.
+    return;
+}
+?>
+
 <?php
 $activeCategory = isset($_GET['category']) ? $_GET['category'] : 'all';
 ?>

header.php

@@ -162,6 +162,3 @@
 })();
 </script>
 
-<!-- Produktsuche (Autocomplete Dropdown) -->
-<script src="assets/js/search-autocomplete.js" defer></script>
-

productpage.php

@@ -239,7 +239,7 @@ $productId = isset($_GET['id']) ? (int)$_GET['id'] : 0;
 
     <?php
         $stmt = mysqli_prepare($conn,
-                "SELECT price, shippingCost, inStock, shops.name, offers.offerURL, shops.logoPath, shops.shippingTime
+                "SELECT price, shippingCost, inStock, shops.name, offers.productURL, shops.logoPath, shops.shippingTime
                         FROM offers 
                         INNER JOIN shops ON 
                         offers.shopID = shops.shopID WHERE offers.productID = ? ORDER BY offers.price ASC");