diff --git a/app/Http/Controllers/Auth/RegisteredUserController.php b/app/Http/Controllers/Auth/RegisteredUserController.php
index 2deeb3a..1652e50 100644
--- a/app/Http/Controllers/Auth/RegisteredUserController.php
+++ b/app/Http/Controllers/Auth/RegisteredUserController.php
@@ -35,22 +35,24 @@ class RegisteredUserController extends Controller
         // 1. Walidacja danych z formularza
         $request->validate([
             'name'     => ['required', 'string', 'max:255'],
-            'surname'  => ['required', 'string', 'max:255'],
+            'surname'  => ['nullable', 'string', 'max:255'],
             'email'    => ['required', 'string', 'lowercase', 'email', 'max:255', 'unique:'.User::class],
             'password' => ['required', 'confirmed', Rules\Password::defaults()],
-            'role'     => ['required', 'exists:roles,name'], // Walidacja – wybrane pole musi istnieć w tabeli roles
+            'role'     => ['nullable', 'exists:roles,name'], // Walidacja – jeśli rola została wysłana, musi istnieć w tabeli roles
         ]);
 
         // 2. Utworzenie nowego użytkownika
         $user = User::create([
             'name'     => $request->name,
-            'surname'  => $request->surname,
+            'surname'  => $request->surname ?? '',
             'email'    => $request->email,
             'password' => Hash::make($request->password),
         ]);
 
         // 3. Przypisanie wybranej roli ze Spatie
-        $user->assignRole($request->role);
+        if ($request->filled('role')) {
+            $user->assignRole($request->role);
+        }
 
         // 4. Wysłanie zdarzenia rejestracji i zalogowanie
         event(new Registered($user));
diff --git a/app/Http/Requests/ProfileUpdateRequest.php b/app/Http/Requests/ProfileUpdateRequest.php
index b1dff1d..85d5396 100644
--- a/app/Http/Requests/ProfileUpdateRequest.php
+++ b/app/Http/Requests/ProfileUpdateRequest.php
@@ -17,7 +17,7 @@ class ProfileUpdateRequest extends FormRequest
     {
         return [
             'name'    => ['required', 'string', 'max:255'],
-            'surname' => ['required', 'string', 'max:255'], // Jeśli używasz nazwiska
+            'surname' => ['nullable', 'string', 'max:255'],
             'email'   => [
                 'required',
                 'string',
@@ -26,7 +26,7 @@ class ProfileUpdateRequest extends FormRequest
                 'max:255',
                 Rule::unique(User::class)->ignore($this->user()->id),
             ],
-            'role'    => ['nullable', 'string', 'exists:roles,name'], // Dopuszczamy role
+            'role'    => ['nullable', 'string', 'exists:roles,name'],
         ];
     }
 }
\ No newline at end of file
diff --git a/resources/views/layouts/navigation.blade.php b/resources/views/layouts/navigation.blade.php
index 3b45722..e78f2e2 100644
--- a/resources/views/layouts/navigation.blade.php
+++ b/resources/views/layouts/navigation.blade.php
@@ -73,7 +73,7 @@
                 <x-dropdown align="right" width="48">
                     <x-slot name="trigger">
                         <button class="inline-flex items-center px-3 py-2 border border-transparent text-sm leading-4 font-medium rounded-md text-gray-500 dark:text-gray-400 bg-white dark:bg-gray-800 hover:text-gray-700 dark:hover:text-gray-300 focus:outline-none transition ease-in-out duration-150">
-                            <div>{{ Auth::user()->name }}</div>
+                            <div>{{ Auth::user()?->name ?? 'Guest' }}</div>
 
                             <div class="ms-1">
                                 <svg class="fill-current h-4 w-4" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 20 20">
@@ -150,8 +150,8 @@
         <div class="pt-4 pb-1 border-t border-gray-200 dark:border-gray-600">
             <div class="px-4 flex justify-between items-center">
                 <div>
-                    <div class="font-medium text-base text-gray-800 dark:text-gray-200">{{ Auth::user()->name }}</div>
-                    <div class="font-medium text-sm text-gray-500">{{ Auth::user()->email }}</div>
+                    <div class="font-medium text-base text-gray-800 dark:text-gray-200">{{ Auth::user()?->name ?? 'Guest' }}</div>
+                    <div class="font-medium text-sm text-gray-500">{{ Auth::user()?->email ?? '' }}</div>
                 </div>
 
                 <!-- Dark Mode Toggle Button (Mobile) -->