Redesign logo & storefront, light subtle admin theme, and 3D print cost calculator

app/Http/Controllers/Admin/ProductController.php

@@ -5,6 +5,7 @@ namespace App\Http\Controllers\Admin;
 use App\Http\Controllers\Controller;
 use App\Models\Category;
 use App\Models\Product;
+use App\Services\PriceCalculatorService;
 use Illuminate\Http\JsonResponse;
 use Illuminate\Http\RedirectResponse;
 use Illuminate\Http\Request;
@@ -171,6 +172,25 @@ class ProductController extends Controller
         ]);
     }
 
+    /**
+     * Calculate 3D printing cost price and suggested retail price.
+     */
+    public function calculatePrice(Request $request, PriceCalculatorService $calculator): JsonResponse
+    {
+        $weight = (float) $request->input('weight_grams', 80);
+        $hours = (float) $request->input('print_time_hours', 4.0);
+        $colors = (int) $request->input('color_count', 1);
+        $material = (string) $request->input('material', 'pla');
+        $markup = $request->filled('markup_percent') ? (float) $request->input('markup_percent') : null;
+
+        $result = $calculator->calculate($weight, $hours, $colors, $material, $markup);
+
+        return response()->json([
+            'success' => true,
+            'data' => $result,
+        ]);
+    }
+
     /**
      * Sanitize and filter gallery images.
      *