style: 統一所有表格標題樣式為一般粗細並修正排序功能

app/Http/Controllers/Admin/RoleController.php

@@ -14,15 +14,26 @@ class RoleController extends Controller
     /**
      * Display a listing of the resource.
      */
-    public function index()
+    public function index(Request $request)
     {
-        $roles = Role::withCount('users', 'permissions')
-            ->with('users:id,name,username')
-            ->orderBy('id')
-            ->get();
+        $sortBy = $request->input('sort_by', 'id');
+        $sortOrder = $request->input('sort_order', 'asc');
+
+        $query = Role::withCount('users', 'permissions')
+            ->with('users:id,name,username');
+
+        // Handle sorting
+        if (in_array($sortBy, ['users_count', 'permissions_count', 'created_at', 'id'])) {
+           $query->orderBy($sortBy, $sortOrder);
+        } else {
+           $query->orderBy('id', 'asc');
+        }
+
+        $roles = $query->get();
 
         return Inertia::render('Admin/Role/Index', [
-            'roles' => $roles
+            'roles' => $roles,
+            'filters' => $request->only(['sort_by', 'sort_order']),
         ]);
     }