diff --git a/src/main.rs b/src/main.rs
index e35a8e3..0543bca 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -253,16 +253,41 @@ async fn get_ksiazka(
     }
 }
 
+#[derive(Serialize)]
+struct UserInfo {
+    id: i32,
+    imie: String,
+}
+
 #[get("/api/check-auth")]
-async fn check_auth(req: HttpRequest) -> impl Responder {
+async fn check_auth(
+    req: HttpRequest,
+    pool: web::Data<sqlx::PgPool>, // Dodajemy pool jako parametr
+) -> impl Responder {
     let token = req.headers().get("Authorization")
         .and_then(|h| h.to_str().ok());
 
     match validate_token(token).await {
-        Ok(user_id) => HttpResponse::Ok().json(json!({
-            "authenticated": true,
-            "user": {"id": user_id}
-        })),
+        Ok(user_id) => {
+            match sqlx::query!(
+                "SELECT imie FROM uzytkownicy WHERE id = $1",
+                user_id
+            )
+            .fetch_one(pool.get_ref()) // Używamy pool z parametru
+            .await {
+                Ok(u) => HttpResponse::Ok().json(json!({
+                    "authenticated": true,
+                    "user": {
+                        "id": user_id,
+                        "imie": u.imie
+                    }
+                })),
+                Err(_) => HttpResponse::Ok().json(json!({
+                    "authenticated": false,
+                    "user": null
+                }))
+            }
+        },
         Err(_) => HttpResponse::Ok().json(json!({
             "authenticated": false,
             "user": null
diff --git a/static/book.html b/static/book.html
index 8c567a9..06ca840 100644
--- a/static/book.html
+++ b/static/book.html
@@ -8,39 +8,39 @@
     <link href="https://fonts.googleapis.com/css2?family=Lobster&family=Inter:wght@400;500;700&display=swap" rel="stylesheet">
 </head>
 <body class="dark-theme">
-    <nav class="navbar navbar-expand-lg navbar-dark bg-black">
-        <div class="container">
-            <a class="navbar-brand" href="/">DARK ATHENAEUM</a>
+        <nav class="navbar navbar-expand-lg navbar-dark bg-black">
+            <div class="container">
+                <!-- Lewa strona - wyszukiwanie -->
+                <form class="d-flex me-lg-3 flex-grow-1" id="searchForm">
+                    <input class="form-control me-2 dark-input"
+                           type="search"
+                           placeholder="Szukaj książek..."
+                           aria-label="Search"
+                           id="searchInput">
+                </form>
 
-            <button class="navbar-toggler" type="button" data-bs-toggle="collapse" data-bs-target="#navbarNav">
-                <span class="navbar-toggler-icon"></span>
-            </button>
+                <!-- Środek - logo -->
+                <a class="navbar-brand mx-lg-auto order-lg-1" href="/">DARK ATHENAEUM</a>
 
-            <div class="collapse navbar-collapse justify-content-end" id="navbarNav">
-                <div class="navbar-nav gap-3">
-                    <!-- Dodaj pole wyszukiwania -->
-                    <form class="d-flex" id="searchForm">
-                        <input class="form-control me-2 dark-input" type="search" placeholder="Szukaj książek..." aria-label="Search">
-                    </form>
+                <!-- Prawa strona - przyciski -->
+                <div class="d-flex align-items-center order-lg-2">
+                    <div class="auth-links">
+                        <div class="anonymous-links">
+                            <a class="nav-link" href="/login.html">Logowanie</a>
+                            <a class="nav-link" href="/register.html">Rejestracja</a>
+                        </div>
 
-                    <!-- Linki -->
-                    <div class="anonymous-links d-flex gap-3">
-                        <a class="nav-link" href="/login.html">Logowanie</a>
-                        <a class="nav-link" href="/register.html">Rejestracja</a>
+                        <div class="user-links">
+                            <a class="nav-link" href="/profile.html">Profil</a>
+                            <a class="nav-link" href="#" id="logoutLink">Wyloguj</a>
+                            <a class="nav-link" href="/cart.html">
+                                <i class="bi bi-basket"></i> Koszyk
+                            </a>
+                        </div>
                     </div>
-
-                    <div class="user-links d-flex gap-3" style="display: none;">
-                        <a class="nav-link" href="/profile.html">Profil</a>
-                        <a class="nav-link" href="#" id="logoutLink">Wyloguj</a>
-                    </div>
-
-                    <a class="nav-link" href="/cart.html">
-                        <i class="bi bi-basket"></i> Koszyk
-                    </a>
                 </div>
             </div>
-        </div>
-    </nav>
+        </nav>
  
     <main class="container py-5">
         <div class="row" id="book-details">
diff --git a/static/cart.html b/static/cart.html
index f71fcfd..e3c150c 100644
--- a/static/cart.html
+++ b/static/cart.html
@@ -12,6 +12,40 @@
     <link href="https://fonts.googleapis.com/css2?family=Lobster&family=Inter:wght@400;500;700&display=swap" rel="stylesheet">
 </head>
 <body class="dark-theme">
+        <nav class="navbar navbar-expand-lg navbar-dark bg-black">
+            <div class="container">
+                <!-- Lewa strona - wyszukiwanie -->
+                <form class="d-flex me-lg-3 flex-grow-1" id="searchForm">
+                    <input class="form-control me-2 dark-input"
+                           type="search"
+                           placeholder="Szukaj książek..."
+                           aria-label="Search"
+                           id="searchInput">
+                </form>
+
+                <!-- Środek - logo -->
+                <a class="navbar-brand mx-lg-auto order-lg-1" href="/">DARK ATHENAEUM</a>
+
+                <!-- Prawa strona - przyciski -->
+                <div class="d-flex align-items-center order-lg-2">
+                    <div class="auth-links">
+                        <div class="anonymous-links">
+                            <a class="nav-link" href="/login.html">Logowanie</a>
+                            <a class="nav-link" href="/register.html">Rejestracja</a>
+                        </div>
+
+                        <div class="user-links">
+                            <a class="nav-link" href="/profile.html">Profil</a>
+                            <a class="nav-link" href="#" id="logoutLink">Wyloguj</a>
+                            <a class="nav-link" href="/cart.html">
+                                <i class="bi bi-basket"></i> Koszyk
+                            </a>
+                        </div>
+                    </div>
+                </div>
+            </div>
+        </nav>
+
     <main class="container py-5">
         <h2 class="neon-title mb-4">Twój koszyk</h2>
         <div id="cart-items" class="row g-4"></div>
diff --git a/static/css/styles.css b/static/css/styles.css
index 56f595a..0cef4e9 100644
--- a/static/css/styles.css
+++ b/static/css/styles.css
@@ -255,3 +255,72 @@ footer a {
 .order-item:last-child {
     margin-bottom: 0;
 }
+
+.hidden {
+    display: none !important;
+}
+
+/* Pokazywanie elementów */
+.visible {
+    display: flex !important;
+}
+
+.auth-links {
+    display: flex;
+    gap: 1rem;
+}
+
+.anonymous-links,
+.user-links {
+    display: none;
+}
+
+.anonymous-links.visible,
+.user-links.visible {
+    display: flex !important;
+    gap: 1rem;
+}
+
+.navbar-brand {
+    font-size: 1.8rem;
+    position: absolute;
+    left: 50%;
+    transform: translateX(-50%);
+}
+
+@media (max-width: 991px) {
+    .navbar-brand {
+        position: static;
+        transform: none;
+        order: 0 !important;
+        margin: 0.5rem 0;
+    }
+    
+    .navbar-toggler {
+        order: 1;
+    }
+    
+    #searchForm {
+        order: 2;
+        width: 100%;
+        margin-top: 1rem;
+    }
+    
+    .auth-links {
+        order: 3;
+        width: 100%;
+        justify-content: center;
+        margin-top: 1rem;
+    }
+}
+
+/* Responsywność formularza wyszukiwania */
+@media (min-width: 992px) {
+    #searchForm {
+        max-width: 400px;
+    }
+    
+    .navbar-brand {
+        position: absolute;
+    }
+}
diff --git a/static/index.html b/static/index.html
index 54019aa..605308f 100644
--- a/static/index.html
+++ b/static/index.html
@@ -11,41 +11,39 @@
     <link href="https://fonts.googleapis.com/css2?family=Lobster&family=Inter:wght@400;500;700&display=swap" rel="stylesheet">
 </head>
 <body class="dark-theme">
-    <nav class="navbar navbar-expand-lg navbar-dark bg-black">
-        <div class="container">
-            <a class="navbar-brand" href="/">DARK ATHENAEUM</a>
-        
-            <button class="navbar-toggler" type="button" data-bs-toggle="collapse" data-bs-target="#navbarNav">
-                <span class="navbar-toggler-icon"></span>
-            </button>
+	<nav class="navbar navbar-expand-lg navbar-dark bg-black">
+	    <div class="container">
+		<!-- Lewa strona - wyszukiwanie -->
+		<form class="d-flex me-lg-3 flex-grow-1" id="searchForm">
+		    <input class="form-control me-2 dark-input" 
+			   type="search" 
+			   placeholder="Szukaj książek..." 
+			   aria-label="Search"
+			   id="searchInput">
+		</form>
 
-            <div class="collapse navbar-collapse justify-content-end" id="navbarNav">
-           	<div class="navbar-nav gap-3">
-				<form class="d-flex" id="searchForm">
-            			<input class="form-control me-2 dark-input" 
-                   			type="search" 
-                   			placeholder="Szukaj książek..." 
-                   			aria-label="Search"
-                   		id="searchInput">
-        		</form>
+		<!-- Środek - logo -->
+		<a class="navbar-brand mx-lg-auto order-lg-1" href="/">DARK ATHENAEUM</a>
 
-	   		<div class="anonymous-links d-flex gap-3">
-				<a class="nav-link" href="/login.html">Logowanie</a>
-				<a class="nav-link" href="/register.html">Rejestracja</a>
-	    		</div>
-
-	    		<div class="user-links d-flex gap-3" style="display: none !important;">
-				<a class="nav-link" href="/profile.html">Profil</a>
-				<a class="nav-link" href="#" id="logoutLink">Wyloguj</a>
-    			</div>
-
-    			<a class="nav-link" href="/cart.html">
-        			<i class="bi bi-basket"></i> Koszyk
-    			</a>
-		</div> 
+		<!-- Prawa strona - przyciski -->
+		<div class="d-flex align-items-center order-lg-2">
+		    <div class="auth-links">
+			<div class="anonymous-links">
+			    <a class="nav-link" href="/login.html">Logowanie</a>
+			    <a class="nav-link" href="/register.html">Rejestracja</a>
+			</div>
+			
+			<div class="user-links">
+			    <a class="nav-link" href="/profile.html">Profil</a>
+			    <a class="nav-link" href="#" id="logoutLink">Wyloguj</a>
+			    <a class="nav-link" href="/cart.html">
+				<i class="bi bi-basket"></i> Koszyk
+			    </a>
+			</div>
+		    </div>
+		</div>
 	    </div>
-        </div>
-    </nav>
+	</nav>
 
     <main class="container py-5">
         <h2 class="text-center mb-5 neon-title">NOWOŚCI</h2>
diff --git a/static/js/main.js b/static/js/main.js
index 891567d..91dfebc 100644
--- a/static/js/main.js
+++ b/static/js/main.js
@@ -51,6 +51,54 @@
     document.addEventListener('DOMContentLoaded', loadBooks);
 })();
 
+async function updateAuthUI() {
+    const token = localStorage.getItem('token');
+    const authContainers = document.querySelectorAll('.auth-links');
+
+    try {
+        const response = await fetch('/api/check-auth', {
+            headers: token ? { 'Authorization': `Bearer ${token}` } : {}
+        });
+        
+        const data = await response.json();
+        
+        authContainers.forEach(container => {
+            const anonymous = container.querySelector('.anonymous-links');
+            const user = container.querySelector('.user-links');
+            const cart = container.querySelector('a[href="/cart.html"]');
+
+            if (data.authenticated) {
+                anonymous?.classList.remove('visible');
+                user?.classList.add('visible');
+                cart?.classList.add('visible');
+            } else {
+                anonymous?.classList.add('visible');
+                user?.classList.remove('visible');
+                cart?.classList.remove('visible');
+                localStorage.removeItem('token');
+            }
+        });
+    } catch (error) {
+        console.error('Błąd autentykacji:', error);
+    }
+}
+
+// Obsługa wylogowania
+function setupLogout() {
+    document.getElementById('logoutLink')?.addEventListener('click', async (e) => {
+        e.preventDefault();
+        localStorage.removeItem('token');
+        await updateAuthUI();
+        window.location.href = '/';
+    });
+}
+
+// Inicjalizacja na każdej stronie
+document.addEventListener('DOMContentLoaded', () => {
+    updateAuthUI();
+    setupLogout();
+});
+
 document.addEventListener('DOMContentLoaded', () => {
     updateNavVisibility();
     checkAuthStatus();
@@ -94,30 +142,27 @@ document.getElementById('logoutLink')?.addEventListener('click', (e) => {
 
 document.getElementById('loginForm')?.addEventListener('submit', async (e) => {
     e.preventDefault();
-    const email = document.getElementById('loginEmail').value;
-    const password = document.getElementById('loginPassword').value;
-
+    
     try {
         const response = await fetch('/login', {
             method: 'POST',
-            headers: {
-                'Content-Type': 'application/json',
-            },
-            body: JSON.stringify({ email, haslo: password }),
+            headers: { 'Content-Type': 'application/json' },
+            body: JSON.stringify({
+                email: document.getElementById('loginEmail').value,
+                haslo: document.getElementById('loginPassword').value
+            })
         });
 
-        const data = await response.json();
         if (response.ok) {
-            localStorage.setItem('token', data.token);
-            localStorage.setItem('imie', data.imie);
-            updateNavVisibility();
+            const { token } = await response.json();
+            localStorage.setItem('token', token);
+            await updateAuthUI();
             window.location.href = '/';
         } else {
-            alert(data.message || 'Logowanie nieudane');
+            alert('Błąd logowania!');
         }
     } catch (error) {
-        console.error('Błąd logowania:', error);
-        alert('Wystąpił błąd podczas logowania');
+        console.error('Błąd:', error);
     }
 });
 
@@ -276,29 +321,5 @@ function getAuthHeaders() {
     };
 }
 
-async function updateNavbar() {
-    try {
-        const response = await fetch('/api/check-auth', {
-            headers: getAuthHeaders()
-        });
-        
-        const authInfo = await response.json();
-        const userLinks = document.querySelector('.user-links');
-        const anonLinks = document.querySelector('.anonymous-links');
-        
-        if (authInfo.authenticated) {
-            userLinks.style.display = 'flex';
-            anonLinks.style.display = 'none';
-        } else {
-            userLinks.style.display = 'none';
-            anonLinks.style.display = 'flex';
-        }
-    } catch (error) {
-        console.error('Error checking auth:', error);
-    }
-}
-
-// Wywołaj przy każdym załadowaniu strony
-document.addEventListener('DOMContentLoaded', updateNavbar);
 
 localStorage.setItem('token', response.token);
diff --git a/static/login.html b/static/login.html
index 5fe2bb6..ee88462 100644
--- a/static/login.html
+++ b/static/login.html
@@ -10,39 +10,39 @@
     <link href="https://fonts.googleapis.com/css2?family=Lobster&family=Inter:wght@400;500;700&display=swap" rel="stylesheet">
 </head>
 <body class="dark-theme">
-    <nav class="navbar navbar-expand-lg navbar-dark bg-black">
-        <div class="container">
-            <a class="navbar-brand" href="/">DARK ATHENAEUM</a>
+        <nav class="navbar navbar-expand-lg navbar-dark bg-black">
+            <div class="container">
+                <!-- Lewa strona - wyszukiwanie -->
+                <form class="d-flex me-lg-3 flex-grow-1" id="searchForm">
+                    <input class="form-control me-2 dark-input"
+                           type="search"
+                           placeholder="Szukaj książek..."
+                           aria-label="Search"
+                           id="searchInput">
+                </form>
 
-            <button class="navbar-toggler" type="button" data-bs-toggle="collapse" data-bs-target="#navbarNav">
-                <span class="navbar-toggler-icon"></span>
-            </button>
+                <!-- Środek - logo -->
+                <a class="navbar-brand mx-lg-auto order-lg-1" href="/">DARK ATHENAEUM</a>
 
-            <div class="collapse navbar-collapse justify-content-end" id="navbarNav">
-                <div class="navbar-nav gap-3">
-                    <!-- Dodaj pole wyszukiwania -->
-                    <form class="d-flex" id="searchForm">
-                        <input class="form-control me-2 dark-input" type="search" placeholder="Szukaj książek..." aria-label="Search">
-                    </form>
+                <!-- Prawa strona - przyciski -->
+                <div class="d-flex align-items-center order-lg-2">
+                    <div class="auth-links">
+                        <div class="anonymous-links">
+                            <a class="nav-link" href="/login.html">Logowanie</a>
+                            <a class="nav-link" href="/register.html">Rejestracja</a>
+                        </div>
 
-                    <!-- Linki -->
-                    <div class="anonymous-links d-flex gap-3">
-                        <a class="nav-link" href="/login.html">Logowanie</a>
-                        <a class="nav-link" href="/register.html">Rejestracja</a>
+                        <div class="user-links">
+                            <a class="nav-link" href="/profile.html">Profil</a>
+                            <a class="nav-link" href="#" id="logoutLink">Wyloguj</a>
+                            <a class="nav-link" href="/cart.html">
+                                <i class="bi bi-basket"></i> Koszyk
+                            </a>
+                        </div>
                     </div>
-
-                    <div class="user-links d-flex gap-3" style="display: none;">
-                        <a class="nav-link" href="/profile.html">Profil</a>
-                        <a class="nav-link" href="#" id="logoutLink">Wyloguj</a>
-                    </div>
-
-                    <a class="nav-link" href="/cart.html">
-                        <i class="bi bi-basket"></i> Koszyk
-                    </a>
                 </div>
             </div>
-        </div>
-    </nav>
+        </nav>
 
     <div class="auth-container">
         <h2 class="neon-title mb-4">LOGOWANIE</h2>
diff --git a/static/profile.html b/static/profile.html
index bf83cc4..f9a8d30 100644
--- a/static/profile.html
+++ b/static/profile.html
@@ -11,41 +11,40 @@
     <link href="https://fonts.googleapis.com/css2?family=Lobster&family=Inter:wght@400;500;700&display=swap" rel="stylesheet">
 </head>
 <body class="dark-theme">
-    <nav class="navbar navbar-expand-lg navbar-dark bg-black">
-        <div class="container">
-            <a class="navbar-brand" href="/">DARK ATHENAEUM</a>
+        <nav class="navbar navbar-expand-lg navbar-dark bg-black">
+            <div class="container">
+                <!-- Lewa strona - wyszukiwanie -->
+                <form class="d-flex me-lg-3 flex-grow-1" id="searchForm">
+                    <input class="form-control me-2 dark-input"
+                           type="search"
+                           placeholder="Szukaj książek..."
+                           aria-label="Search"
+                           id="searchInput">
+                </form>
 
-            <button class="navbar-toggler" type="button" data-bs-toggle="collapse" data-bs-target="#navbarNav">
-                <span class="navbar-toggler-icon"></span>
-            </button>
+                <!-- Środek - logo -->
+                <a class="navbar-brand mx-lg-auto order-lg-1" href="/">DARK ATHENAEUM</a>
 
-            <div class="collapse navbar-collapse justify-content-end" id="navbarNav">
-                <div class="navbar-nav gap-3">
-                                <form class="d-flex" id="searchForm">
-                                <input class="form-control me-2 dark-input"
-                                        type="search"
-                                        placeholder="Szukaj książek..."
-                                        aria-label="Search"
-                                id="searchInput">
-                        </form>
-
-                        <div class="anonymous-links d-flex gap-3">
-                                <a class="nav-link" href="/login.html">Logowanie</a>
-                                <a class="nav-link" href="/register.html">Rejestracja</a>
+                <!-- Prawa strona - przyciski -->
+                <div class="d-flex align-items-center order-lg-2">
+                    <div class="auth-links">
+                        <div class="anonymous-links">
+                            <a class="nav-link" href="/login.html">Logowanie</a>
+                            <a class="nav-link" href="/register.html">Rejestracja</a>
                         </div>
 
-                        <div class="user-links d-flex gap-3" style="display: none !important;">
-                                <a class="nav-link" href="/profile.html">Profil</a>
-                                <a class="nav-link" href="#" id="logoutLink">Wyloguj</a>
-                        </div>
-
-                        <a class="nav-link" href="/cart.html">
+                        <div class="user-links">
+                            <a class="nav-link" href="/profile.html">Profil</a>
+                            <a class="nav-link" href="#" id="logoutLink">Wyloguj</a>
+                            <a class="nav-link" href="/cart.html">
                                 <i class="bi bi-basket"></i> Koszyk
-                        </a>
+                            </a>
+                        </div>
+                    </div>
                 </div>
             </div>
-        </div>
-    </nav> 
+        </nav>
+
     <main class="container py-5">
         <h2 class="neon-title mb-4">Twój profil</h2>
         
diff --git a/static/register.html b/static/register.html
index 74b36de..b5b1d86 100644
--- a/static/register.html
+++ b/static/register.html
@@ -9,39 +9,39 @@
     <link href="https://fonts.googleapis.com/css2?family=Lobster&family=Inter:wght@400;500;700&display=swap" rel="stylesheet">
 </head>
 <body class="dark-theme">
-    <nav class="navbar navbar-expand-lg navbar-dark bg-black">
-        <div class="container">
-            <a class="navbar-brand" href="/">DARK ATHENAEUM</a>
+        <nav class="navbar navbar-expand-lg navbar-dark bg-black">
+            <div class="container">
+                <!-- Lewa strona - wyszukiwanie -->
+                <form class="d-flex me-lg-3 flex-grow-1" id="searchForm">
+                    <input class="form-control me-2 dark-input"
+                           type="search"
+                           placeholder="Szukaj książek..."
+                           aria-label="Search"
+                           id="searchInput">
+                </form>
 
-            <button class="navbar-toggler" type="button" data-bs-toggle="collapse" data-bs-target="#navbarNav">
-                <span class="navbar-toggler-icon"></span>
-            </button>
+                <!-- Środek - logo -->
+                <a class="navbar-brand mx-lg-auto order-lg-1" href="/">DARK ATHENAEUM</a>
 
-            <div class="collapse navbar-collapse justify-content-end" id="navbarNav">
-                <div class="navbar-nav gap-3">
-                    <!-- Dodaj pole wyszukiwania -->
-                    <form class="d-flex" id="searchForm">
-                        <input class="form-control me-2 dark-input" type="search" placeholder="Szukaj książek..." aria-label="Search">
-                    </form>
+                <!-- Prawa strona - przyciski -->
+                <div class="d-flex align-items-center order-lg-2">
+                    <div class="auth-links">
+                        <div class="anonymous-links">
+                            <a class="nav-link" href="/login.html">Logowanie</a>
+                            <a class="nav-link" href="/register.html">Rejestracja</a>
+                        </div>
 
-                    <!-- Linki -->
-                    <div class="anonymous-links d-flex gap-3">
-                        <a class="nav-link" href="/login.html">Logowanie</a>
-                        <a class="nav-link" href="/register.html">Rejestracja</a>
+                        <div class="user-links">
+                            <a class="nav-link" href="/profile.html">Profil</a>
+                            <a class="nav-link" href="#" id="logoutLink">Wyloguj</a>
+                            <a class="nav-link" href="/cart.html">
+                                <i class="bi bi-basket"></i> Koszyk
+                            </a>
+                        </div>
                     </div>
-
-                    <div class="user-links d-flex gap-3" style="display: none;">
-                        <a class="nav-link" href="/profile.html">Profil</a>
-                        <a class="nav-link" href="#" id="logoutLink">Wyloguj</a>
-                    </div>
-
-                    <a class="nav-link" href="/cart.html">
-                        <i class="bi bi-basket"></i> Koszyk
-                    </a>
                 </div>
             </div>
-        </div>
-    </nav>
+        </nav>
 
     <div class="auth-container">
         <h2 class="neon-title mb-4">REJESTRACJA</h2>
diff --git a/static/thankyou.html b/static/thankyou.html
index 4b0aa5b..80ede27 100644
--- a/static/thankyou.html
+++ b/static/thankyou.html
@@ -7,6 +7,40 @@
     <link href="/css/styles.css" rel="stylesheet">
 </head>
 <body class="dark-theme">
+        <nav class="navbar navbar-expand-lg navbar-dark bg-black">
+            <div class="container">
+                <!-- Lewa strona - wyszukiwanie -->
+                <form class="d-flex me-lg-3 flex-grow-1" id="searchForm">
+                    <input class="form-control me-2 dark-input"
+                           type="search"
+                           placeholder="Szukaj książek..."
+                           aria-label="Search"
+                           id="searchInput">
+                </form>
+
+                <!-- Środek - logo -->
+                <a class="navbar-brand mx-lg-auto order-lg-1" href="/">DARK ATHENAEUM</a>
+
+                <!-- Prawa strona - przyciski -->
+                <div class="d-flex align-items-center order-lg-2">
+                    <div class="auth-links">
+                        <div class="anonymous-links">
+                            <a class="nav-link" href="/login.html">Logowanie</a>
+                            <a class="nav-link" href="/register.html">Rejestracja</a>
+                        </div>
+
+                        <div class="user-links">
+                            <a class="nav-link" href="/profile.html">Profil</a>
+                            <a class="nav-link" href="#" id="logoutLink">Wyloguj</a>
+                            <a class="nav-link" href="/cart.html">
+                                <i class="bi bi-basket"></i> Koszyk
+                            </a>
+                        </div>
+                    </div>
+                </div>
+            </div>
+        </nav>
+
     <main class="container py-5 text-center">
         <h1 class="neon-title mb-4">Dziękujemy za zakup!</h1>
         <p class="inter-font fs-5">Twoje zamówienie zostało pomyślnie zrealizowane.</p>