diff --git a/static/book.html b/static/book.html
index b25bf00..17c6cf8 100644
--- a/static/book.html
+++ b/static/book.html
@@ -2,59 +2,69 @@
 <html lang="pl">
 <head>
     <meta charset="UTF-8">
-    <title>Dark Athenaeum</title>
+    <meta name="viewport" content="width=device-width, initial-scale=1">
+    <title>Dark Athenæum - Szczegóły książki</title>
     <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.2/dist/css/bootstrap.min.css" rel="stylesheet">
+    <link href="https://cdn.jsdelivr.net/npm/bootstrap-icons@1.11.0/font/bootstrap-icons.css" rel="stylesheet">
     <link href="/css/styles.css" rel="stylesheet">
-    <link href="https://fonts.googleapis.com/css2?family=Lobster&family=Inter:wght@400;500;700&display=swap" rel="stylesheet">
+    <link rel="preconnect" href="https://fonts.googleapis.com">
+    <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
+    <link href="https://fonts.cdnfonts.com/css/old-english-text-mt" rel="stylesheet">
+    <link href="https://fonts.googleapis.com/css2?family=Inter:wght@400;500;700&display=swap" rel="stylesheet">
 </head>
 <body class="dark-theme">
-        <nav class="navbar navbar-expand-lg">
-            <div class="container">
-                <form class="d-flex me-lg-3 flex-grow-1" id="searchForm">
-                    <input class="me-2"
-                           type="search"
-                           placeholder="Szukaj..."
-                           aria-label="Search"
-                           id="searchInput">
-                </form>
+    <nav class="navbar navbar-expand-lg">
+        <div class="container">
+            <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>
 
-                <a class="navbar-brand mx-lg-auto order-lg-1" href="/">DARK ATHENÆUM</a>
+            <a class="navbar-brand mx-lg-auto order-lg-1" href="/">DARK ATHENÆUM</a>
 
-                <div class="d-flex align-items-center order-lg-2">
-                    <div class="auth-links">
-                        <div class="anonymous-links">
-                            <a class="navbar-link" href="/login.html">Logowanie</a>
-                            <a class="navbar-link" href="/register.html">Rejestracja</a>
-                        </div>
-
-                        <div class="user-links">
-                            <a class="navbar-link" href="/profile.html">Profil</a>
-                            <a class="navbar-link" href="#" id="logoutLink">Wyloguj</a>
-                            <a class="navbar-link" href="/cart.html">
-                                <i class="bi bi-basket"></i> Koszyk
-                            </a>
-                        </div>
+            <div class="d-flex align-items-center order-lg-2">
+                <div class="auth-links">
+                    <div class="anonymous-links">
+                        <a class="navbar-link" href="/login.html">Logowanie</a>
+                        <a class="navbar-link" href="/register.html">Rejestracja</a>
+                    </div>
+                    <div class="user-links">
+                        <a class="navbar-link" href="/profile.html">Profil</a>
+                        <a class="navbar-link" href="#" id="logoutLink">Wyloguj</a>
+                        <a class="navbar-link" href="/cart.html">
+                            <i class="bi bi-basket"></i> Koszyk
+                        </a>
                     </div>
                 </div>
             </div>
-        </nav>
+        </div>
+    </nav>
 
-    <main class="container py-5">
+    <main class="container my-5">
         <div class="row" id="book-details">
             <div class="col-md-4">
-                <img id="book-cover" class="img-fluid mb-4" alt="Okładka książki">
+                <div class="cover-container mb-4">
+                    <img id="book-cover" class="book-cover" alt="Okładka książki">
+                </div>
             </div>
             <div class="col-md-8">
-                <h1 id="book-title" class="mb-4"></h1>
-                <h3 id="book-author" class="mb-3"></h3>
-                <p id="book-price" class="fs-4 mb-4"></p>
-                <div class="card dark-card mb-4">
+                <h1 id="book-title" class="mb-3 fw-bold"></h1>
+                <h3 id="book-author" class="mb-4 text-muted"></h3>
+                <p id="book-price" class="fs-2 mb-4 text-primary fw-bold"></p>
+                
+                <div class="card mb-4">
                     <div class="card-body">
                         <h4 class="mb-3">Opis</h4>
-                        <p id="book-description"></p>
+                        <p id="book-description" class="card-text"></p>
                     </div>
                 </div>
-                <button class="btn btn-add-to-cart">Dodaj do koszyka</button>
+                
+                <button class="btn btn-add-to-cart">
+                    <i class="bi bi-cart-plus me-2"></i> Dodaj do koszyka
+                </button>
             </div>
         </div>
     </main>
@@ -72,6 +82,9 @@
                     <a href="https://sykorax.eu/">Współpraca</a>
                 </div>
             </div>
+            <div class="text-center mt-4">
+                <p class="text-muted">&copy; 2023 Dark Athenæum. Wszelkie prawa zastrzeżone.</p>
+            </div>
         </div>
     </footer>
 
diff --git a/static/cart.html b/static/cart.html
index 2c64674..82e144a 100644
--- a/static/cart.html
+++ b/static/cart.html
@@ -1,59 +1,82 @@
 <!DOCTYPE html>
-<!-- static/cart.html -->
-<html>
+<html lang="pl">
 <head>
     <meta charset="UTF-8">
     <meta name="viewport" content="width=device-width, initial-scale=1">
-    <title>Dark Athenaeum</title>
+    <title>Dark Athenæum - Koszyk</title>
     <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.2/dist/css/bootstrap.min.css" rel="stylesheet">
     <link href="https://cdn.jsdelivr.net/npm/bootstrap-icons@1.11.0/font/bootstrap-icons.css" rel="stylesheet">
     <link href="/css/styles.css" rel="stylesheet">
+    <link rel="preconnect" href="https://fonts.googleapis.com">
+    <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
     <link href="https://fonts.cdnfonts.com/css/old-english-text-mt" rel="stylesheet">
-    <link href="https://fonts.googleapis.com/css2?family=Lobster&family=Inter:wght@400;500;700&display=swap" rel="stylesheet">
+    <link href="https://fonts.googleapis.com/css2?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>
+    <nav class="navbar navbar-expand-lg">
+        <div class="container">
+            <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>
+            <a class="navbar-brand mx-lg-auto order-lg-1" href="/">DARK ATHENÆUM</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="d-flex align-items-center order-lg-2">
+                <div class="auth-links">
+                    <div class="user-links">
+                        <a class="navbar-link" href="/profile.html">Profil</a>
+                        <a class="navbar-link" href="#" id="logoutLink">Wyloguj</a>
+                        <a class="navbar-link" href="/cart.html">
+                            <i class="bi bi-basket"></i> Koszyk
+                        </a>
+                    </div>
+                </div>
+            </div>
+        </div>
+    </nav>
 
-                        <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>
+    <main class="container my-5">
+        <h1 class="mb-4 fw-bold">Twój koszyk</h1>
+        
+        <div class="row">
+            <div class="col-lg-8">
+                <div id="cart-items" class="mb-4">
+                    <div class="text-center py-5">
+                        <div class="spinner-border text-primary" role="status">
+                            <span class="visually-hidden">Ładowanie...</span>
                         </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>
-        <div class="text-center mt-5">
-    		<button id="checkoutBtn" class="btn btn-gothic btn-lg">
-        		<i class="bi bi-wallet2"></i> Złóż zamówienie
-    		</button>
-	</div>
+            
+            <div class="col-lg-4">
+                <div class="card mb-4">
+                    <div class="card-body">
+                        <h4 class="mb-3">Podsumowanie</h4>
+                        <div class="d-flex justify-content-between mb-3">
+                            <span>Wartość produktów:</span>
+                            <span class="text-primary" id="products-value">0.00 PLN</span>
+                        </div>
+                        <div class="d-flex justify-content-between mb-3">
+                            <span>Dostawa:</span>
+                            <span>12.99 PLN</span>
+                        </div>
+                        <hr>
+                        <div class="d-flex justify-content-between fw-bold fs-5">
+                            <span>Do zapłaty:</span>
+                            <span class="text-primary" id="total-value">0.00 PLN</span>
+                        </div>
+                        <button id="checkoutBtn" class="btn mt-4 py-3">
+                            <i class="bi bi-wallet2 me-2"></i> Złóż zamówienie
+                        </button>
+                    </div>
+                </div>
+            </div>
+        </div>
     </main>
 
     <footer>
@@ -69,9 +92,13 @@
                     <a href="https://sykorax.eu/">Współpraca</a>
                 </div>
             </div>
+            <div class="text-center mt-4">
+                <p class="text-muted">&copy; 2023 Dark Athenæum. Wszelkie prawa zastrzeżone.</p>
+            </div>
         </div>
     </footer>
 
+    <script src="https://cdn.jsdelivr.net/npm/bootstrap@5.3.2/dist/js/bootstrap.bundle.min.js"></script>
     <script type="module" src="/js/utils.js"></script>
     <script type="module" src="/js/auth.js"></script>
     <script type="module" src="/js/cart.js"></script>
diff --git a/static/css/styles.css b/static/css/styles.css
index f1e92b1..e1619c9 100644
--- a/static/css/styles.css
+++ b/static/css/styles.css
@@ -1,446 +1,220 @@
+/* static/css/styles.css */
+
 :root {
-    --green1: #193630;
-    --green2: #294640;
-    --green3: #395650;
-    --green4: #496660;
-    --green5: #597670;
-    --gold1: #D3BB8A;
-    --gold2: #E3CB9A;
-    --gold3: #F3DBAA;
-    --cyan: #60AEC5;
+    --dark-bg: #121212;
+    --darker-bg: #0a0a0a;
+    --light-text: #f8f9fa;
+    --muted-text: #adb5bd;
+    --primary: #d4af37; /* Złoty - główny kolor */
+    --primary-dark: #b38f2d; /* Ciemniejszy złoty */
+    --secondary: #0a1f0a; /* Ciemnozielony - drugi kolor */
+    --border: #343a40;
+    --accent: #228B22; /* Zielony akcent */
 }
 
 .dark-theme {
-    background-color: var(--green3);
-    color: var(--gold2);
+    background-color: var(--dark-bg);
+    color: var(--light-text);
+    min-height: 100vh;
+    display: flex;
+    flex-direction: column;
+    font-family: 'Inter', sans-serif;
 }
 
-nav {
-    background-color: var(--green2);
-}
-
-nav form input {
-    background-color: var(--green1);
-    padding-left: 16px;
-    border: none;
-    border-radius: 8px;
-    width: 40%;
-    transition: width 0.4s ease-in-out;
-}
-
-nav form input:focus {
-    padding-left: 13px;
-    border: 3px solid var(--green1);
-    width: 100%;
+/* Nagłówek - oryginalny styl */
+.navbar {
+    background-color: #000;
+    padding: 1rem 0;
+    border-bottom: 1px solid var(--border);
 }
 
 .navbar-brand {
-    font-family: 'Lobster', cursive;
-    font-size: 3rem;
-    text-shadow: 2px 2px var(--green1);
-    color: var(--gold1);
-    position: absolute;
-    left: 50%;
-    transform: translateX(-50%);
+    font-family: 'Old English Text MT', serif;
+    font-size: 2.5rem;
+    color: var(--primary) !important;
+    text-shadow: 0 0 5px rgba(212, 175, 55, 0.5);
 }
 
 .navbar-link {
-    color: var(--gold1);
+    color: var(--muted-text) !important;
     text-decoration: none;
-}
-
-.navbar-brand:hover, .navbar-link:hover {
-    color: var(--gold3);
-}
-
-footer {
-    font-weight: bold;
-    background-color: var(--green2);
-    padding: 0;
-    margin-top: 0;
-    font-size: 12px;
-    font-family: 'Inter', sans-serif;
-    color: var(--gold1);
-    left: 0;
-    bottom: 0;
-    width: 100%;
-}
-
-.card {
-    background: linear-gradient(145deg, #08352c 0%, #062a23 100%);
-    border: 1px solid #1c4d42;
-    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
-}
-
-.card a {
-    color: var(--text-gold);
-    text-decoration: none;
-}
-
-.btn-gothic {
-    background-color: #1c4d42;
-    color: var(--text-gold);
-    border: 1px solid #2a6b5e;
-}
-
-.btn-gothic:hover {
-    background-color: #2a6b5e;
-    color: #fff;
-}
-
-.auth-container {
-    max-width: 500px;
-    margin: 2rem auto;
-    padding: 2rem;
-    border: 2px solid var(--green5);
-    border-radius: 8px;
-    background-color: var(--green2);
-}
-
-h1 {
-    font-weight: bold;
-    font-family: 'Lobster', cursive;
-}
-
-h2 {
-    font-family: 'Lobster', cursive;
-    text-align: center;
-    font-size: 2.5rem;
-    margin-bottom: 2rem;
-}
-
-h3, h4 {
-    font-family: 'Lobster', cursive;
-}
-
-img {
-    border: 2px solid var(--green1);
-}
-
-.auth-container button, #book-details button {
-    background-color: var(--green3);
-    border: 2px solid var(--green1);
-    color: var(--gold3);
-}
-
-.auth-container button:hover, #book-details button:hover {
-    background-color: var(--green1);
-    border-color: var(--gold2);
-    color: var(--gold1);
-}
-
-.auth-container a {
-    color: var(--cyan);
-}
-
-.auth-container a:hover {
-    text-decoration: underline;
-}
-
-#books-container {
-    justify-content: center !important;
-}
-
-.book-card {
-    width: 100%; /* Wykorzystaj całą dostępną szerokość */
-    height: 100%;
-    background: var(--green1);
-    border: 2px solid var(--green1);
-    transition: transform 0.3s ease;
-}
-
-.cover-container {
-    width: 100%;
-    aspect-ratio: 5/8; /* Nowoczesne podejście do proporcji */
-    overflow: hidden;
-    position: relative;
-}
-
-.book-cover {
-    width: 100%;
-    object-fit: cover;
-    object-position: center top;
-    transition: transform 0.3s ease;
-    transform: scale(1.05);
-}
-
-#profile {
-    background: var(--green1);
-    border: 1px solid var(--gold1);
-    border-radius: 8px;
-    color: var(--gold2);
-}
-
-.order {
-    background: var(--green2);
-    border: 1px solid var(--gold1);
-}
-
-.card {
-    color: var(--gold2);
-}
-
-.card-header {
-    border: 0;
-    color: var(--gold2);
-}
-
-.card-title {
-    color: var(--gold2);
-}
-
-.book-cover:hover {
-    transform: scale(1.1);
-}
-
-
-.book-title {
-    font-size: 1rem;
-    line-height: 1.3;
-    height: 3.2em; /* Na 2 linie tekstu */
-    margin: 0.5rem 0;
-    display: -webkit-box;
-    -webkit-line-clamp: 2;
-    -webkit-box-orient: vertical;
-    overflow: hidden;
-    text-align: center;
-    padding: 0 0.25rem;
-    color: var(--gold1);
-    text-decoration: none;
-}
-
-.book-title a:visited {
-    text-decoration: none;
-}
-
-.book-info {
-    color: var(--text-gold);
-    text-align: center;
-    padding: 1rem;
-}
-
-footer a {
-    color: var(--gold1);
-    text-decoration: none;
-}
-
-footer a:hover {
-    color: var(--gold3);
-}
-
-.text-accent {
-    color: var(--accent-blue) !important;
-}
-
-#book-description {
-    line-height: 1.8;
-    font-size: 1.1rem;
-}
-
-.card-body {
-    background: var(--green1);
-    border: 1px solid var(--gold2);
-    border-radius: 4px;
-}
-
-#searchInput {
-    height: 50px;
-    font-size: 1.2rem;
-}
-
-/* W pliku styles.css */
-.navbar-nav {
-    gap: 1.5rem !important; /* Odstępy między linkami */
-}
-
-footer a {
-    padding: 0.5rem 1rem; /* Większy obszar klikalny */
-    display: inline-block; /* Lepsze wyrównanie */
-}
-
-.card-img-top {
-    height: 350px;
-    object-fit: cover;
-    object-position: center top;
-}
-
-#searchInput::placeholder {
-    color: #93B8B1;
-    opacity: 0.7;
-}
-
-.remove-from-cart {
-    transition: all 0.3s ease;
-}
-
-.remove-from-cart:hover {
-    transform: scale(1.05);
-    box-shadow: 0 0 8px rgba(220, 53, 69, 0.6);
-}
-
-.user-links, .anonymous-links {
-    gap: 1rem;
+    margin: 0 0.8rem;
+    transition: color 0.3s;
+    display: flex;
     align-items: center;
 }
 
-/* Responsywność */
-@media (max-width: 768px) {
-    #books-container {
-        grid-template-columns: 1fr;
-    }
-    
-    .navbar-nav {
-        flex-direction: column;
-        gap: 0.5rem !important;
-    }
+.navbar-link:hover, .navbar-link:focus {
+    color: var(--primary) !important;
 }
 
-.btn-outline-gothic:hover {
-    background-color: #0ff;
-    color: #000;
-    box-shadow: 0 0 15px #0ff;
+.navbar-link i {
+    margin-right: 0.3rem;
 }
 
-.order-item {
-    background-color: #2a2a2a;
-    border-radius: 5px;
-    padding: 10px;
-    margin-bottom: 10px;
-}
-
-.order-item:last-child {
-    margin-bottom: 0;
-}
-
-.hidden {
-    display: none !important;
-}
-
-/* Pokazywanie elementów */
-.visible {
-    display: flex !important;
-}
-
-.auth-links {
+/* Karty książek - proporcje 5:8 */
+.book-card {
+    height: 100%;
     display: flex;
-    gap: 1rem;
+    flex-direction: column;
+    background: var(--darker-bg);
+    border: 1px solid var(--border);
+    border-radius: 8px;
+    overflow: hidden;
+    transition: transform 0.3s ease, box-shadow 0.3s ease;
 }
 
-.anonymous-links,
-.user-links {
-    display: none;
+.book-card:hover {
+    transform: translateY(-5px);
+    box-shadow: 0 10px 20px rgba(212, 175, 55, 0.2);
+    border-color: var(--primary);
 }
 
-.anonymous-links.visible,
-.user-links.visible {
-    display: flex !important;
-    gap: 1rem;
+.cover-container {
+    position: relative;
+    padding-bottom: 160%; /* 5:8 proportion (5/8 = 0.625) */
+    overflow: hidden;
+    background: #000;
 }
 
-
-@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;
-    }
+.book-cover {
+    position: absolute;
+    top: 0;
+    left: 0;
+    width: 100%;
+    height: 100%;
+    object-fit: cover;
+    transition: transform 0.3s ease;
 }
 
-/* Responsywność formularza wyszukiwania */
-@media (min-width: 992px) {
-    #searchForm {
-        max-width: 400px;
-    }
-    
-    .navbar-brand {
-        position: absolute;
-    }
+.cover-container:hover .book-cover {
+    transform: scale(1.05);
 }
 
-a {
-    text-decoration: none;
-}
-
-/* Koszyk - nowe style */
-.cart-item-details {
+.book-body {
+    padding: 1.2rem;
+    flex-grow: 1;
     display: flex;
     flex-direction: column;
 }
 
-.cart-item .card-body {
-    padding: 1.5rem;
+.book-title {
+    font-size: 1.1rem;
+    margin-bottom: 0.5rem;
+    color: var(--light-text);
+    font-weight: 600;
+    min-height: 2.8em;
 }
 
-.cart-item-title {
-    font-size: 1.4rem;
-    font-weight: bold;
+.book-author {
+    font-size: 0.9rem;
+    color: var(--muted-text);
     margin-bottom: 0.5rem;
 }
 
-.cart-item-author {
-    color: #aaa;
-    font-style: italic;
-    margin-bottom: 1.5rem;
+.book-price {
+    font-weight: 700;
+    color: var(--primary);
+    margin-top: auto;
+    font-size: 1.2rem;
 }
 
-.cart-item-info {
-    display: flex;
-    justify-content: space-between;
-    gap: 1.5rem;
-    margin-bottom: 1.5rem;
-    background-color: #222;
-    padding: 1.2rem;
-    border-radius: 8px;
-    border: 1px solid #333;
-}
-
-.cart-item-info > div {
-    flex: 1;
-    min-width: 120px;
-}
-
-.cart-item-price, 
-.cart-item-quantity, 
-.cart-item-total {
-    display: block;
-    margin-bottom: 0.5rem;
-    font-size: 0.95rem;
-    color: #ddd;
-}
-
-.cart-remove-btn, .decrease-quantity {
-    padding: 0.7rem 1rem;
-    font-size: 0.95rem;
-    transition: all 0.3s ease;
-}
-
-.cart-remove-btn:hover, .decrease-quantity:hover {
-    transform: translateY(-3px);
-    box-shadow: 0 4px 12px rgba(0,0,0,0.3);
-}
-
-/* Suma całkowita - większy nacisk */
-.total-cart-value {
-    font-size: 2rem;
+/* Przyciski i elementy interfejsu */
+.btn {
+    background-color: var(--primary);
+    border: none;
+    color: #000;
+    padding: 0.8rem 1.5rem;
+    border-radius: 5px;
+    font-weight: 500;
+    transition: all 0.3s;
+    text-transform: uppercase;
+    letter-spacing: 1px;
     font-weight: bold;
-    color: #ffcc00;
-    text-shadow: 0 0 8px rgba(255, 204, 0, 0.4);
+}
+
+.btn:hover {
+    background-color: var(--primary-dark);
+    transform: translateY(-2px);
+}
+
+.text-primary {
+    color: var(--primary) !important;
+}
+
+.bg-primary {
+    background-color: var(--primary) !important;
+}
+
+/* Formularze */
+.auth-container {
+    max-width: 500px;
+    margin: 3rem auto;
+    padding: 2.5rem;
+    background: var(--darker-bg);
+    border-radius: 10px;
+    border: 1px solid var(--border);
+    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
+}
+
+.auth-container h2 {
+    text-align: center;
+    margin-bottom: 1.5rem;
+    font-weight: 700;
+    color: var(--primary);
+}
+
+.dark-input {
+    background-color: #1e1e1e;
+    border: 1px solid var(--border);
+    color: var(--light-text);
+    padding: 0.8rem;
+    border-radius: 5px;
+    margin-bottom: 1.2rem;
+    width: 100%;
+}
+
+.dark-input:focus {
+    background-color: #1e1e1e;
+    color: var(--light-text);
+    border-color: var(--primary);
+    box-shadow: 0 0 0 0.25rem rgba(212, 175, 55, 0.25);
+}
+
+/* Stopka */
+footer {
+    background-color: #000;
+    padding: 2.5rem 0;
+    margin-top: auto;
+    border-top: 1px solid var(--border);
+}
+
+footer a {
+    color: var(--muted-text);
+    text-decoration: none;
+    margin: 0 1rem;
+    transition: color 0.3s;
+}
+
+footer a:hover {
+    color: var(--primary);
+}
+
+footer .text-center {
+    color: var(--muted-text);
+}
+
+/* Responsywność */
+@media (max-width: 768px) {
+    .navbar-brand {
+        font-size: 1.8rem;
+    }
+    
+    .cover-container {
+        padding-bottom: 130%;
+    }
+    
+    .book-title {
+        min-height: auto;
+    }
 }
diff --git a/static/index.html b/static/index.html
index 1b1bbbe..a7f169f 100644
--- a/static/index.html
+++ b/static/index.html
@@ -7,56 +7,67 @@
     <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.2/dist/css/bootstrap.min.css" rel="stylesheet">
     <link href="https://cdn.jsdelivr.net/npm/bootstrap-icons@1.11.0/font/bootstrap-icons.css" rel="stylesheet">
     <link href="/css/styles.css" rel="stylesheet">
+    <link rel="preconnect" href="https://fonts.googleapis.com">
+    <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
     <link href="https://fonts.cdnfonts.com/css/old-english-text-mt" rel="stylesheet">
-    <link href="https://fonts.googleapis.com/css2?family=Lobster&family=Inter:wght@400;500;700&display=swap" rel="stylesheet">
+    <link href="https://fonts.googleapis.com/css2?family=Inter:wght@400;500;700&display=swap" rel="stylesheet">
 </head>
 <body class="dark-theme">
-	<nav class="navbar navbar-expand-lg">
-	    <div class="container">
-		<form class="d-flex me-lg-3 flex-grow-1" id="searchForm">
-		    <input class="me-2" 
-			   type="search" 
-			   placeholder="Szukaj..." 
-			   aria-label="Search"
-			   id="searchInput">
-		</form>
+    <nav class="navbar navbar-expand-lg">
+        <div class="container">
+            <div class="d-flex me-lg-3 flex-grow-1"></div>
+            
+            <a class="navbar-brand mx-lg-auto order-lg-1" href="/">DARK ATHENÆUM</a>
 
-		<a class="navbar-brand mx-lg-auto order-lg-1" href="/">DARK ATHENÆUM</a>
-
-		<div class="d-flex align-items-center order-lg-2">
-		    <div class="auth-links">
-			<div class="anonymous-links">
-			    <a class="navbar-link" href="/login.html">Logowanie</a>
-			    <a class="navbar-link" href="/register.html">Rejestracja</a>
-			</div>
-			
-			<div class="user-links">
-			    <a class="navbar-link" href="/cart.html">
-				<i class="bi bi-basket"></i>
-			    </a>
-			    <a class="navbar-link" href="/profile.html">Profil</a>
-			    <a class="navbar-link" href="#" id="logoutLink">Wyloguj</a>
-			</div>
-		    </div>
-		</div>
-	    </div>
-	</nav>
-
-    <main class="container py-5">
-        <h2 class="text-center mb-5">POPULARNE</h2>
-
-	    <div class="container-fluid">
-		<div class="row justify-content-center">
-		    <div class="col-12 col-xxl-10"> <!-- Adjust max width if needed -->
-			<div class="row row-cols-2 row-cols-md-3 row-cols-lg-4 row-cols-xl-5 g-4 justify-content-center" id="books-container">
-			    <!-- Dynamicznie ładowane książki -->
-			    <div class="col-12 text-center">
-				<div class="spinner-border text-danger" role="status">
-				    <span class="visually-hidden">Ładowanie...</span>
-                                </div>
-                            </div>
-                        </div>
+            <div class="d-flex align-items-center order-lg-2">
+                <div class="auth-links">
+                    <div class="anonymous-links">
+                        <a class="navbar-link" href="/login.html">Logowanie</a>
+                        <a class="navbar-link" href="/register.html">Rejestracja</a>
                     </div>
+                    <div class="user-links">
+                        <a class="navbar-link" href="/profile.html">Profil</a>
+                        <a class="navbar-link" href="#" id="logoutLink">Wyloguj</a>
+                        <a class="navbar-link" href="/cart.html">
+                            <i class="bi bi-basket"></i> Koszyk
+                        </a>
+                    </div>
+                </div>
+            </div>
+        </div>
+    </nav>
+
+    <main class="container my-5">
+        <div class="row mb-4 align-items-center">
+            <div class="col-md-4">
+                <h1 class="display-5 fw-bold">Księgarnia dla wymagających</h1>
+                <p class="lead">Odkryj unikalne dzieła literackie w mrocznej atmosferze</p>
+            </div>
+            
+            <!-- Wyszukiwanie przeniesione obok sortowania -->
+            <div class="col-md-5">
+                <input class="form-control dark-input"
+                    type="search"
+                    placeholder="Szukaj książek..."
+                    aria-label="Search"
+                    id="searchInput">
+            </div>
+            
+            <div class="col-md-3 text-end">
+                <select class="form-select dark-input" id="sortSelect">
+                    <option value="default">Sortuj domyślnie</option>
+                    <option value="price_asc">Cena: od najniższej</option>
+                    <option value="price_desc">Cena: od najwyższej</option>
+                    <option value="title_asc">Tytuł A-Z</option>
+                    <option value="author_asc">Autor A-Z</option>
+                </select>
+            </div>
+        </div>
+        
+        <div class="row row-cols-1 row-cols-md-2 row-cols-lg-3 row-cols-xl-4 g-4" id="books-container">
+            <div class="col-12 text-center py-5">
+                <div class="spinner-border text-primary" role="status">
+                    <span class="visually-hidden">Ładowanie...</span>
                 </div>
             </div>
         </div>
@@ -65,7 +76,7 @@
     <footer>
         <div class="container">
             <div class="row justify-content-center align-items-center text-center">
-    		<div class="col-auto mb-2 mb-md-0">
+                <div class="col-auto mb-2 mb-md-0">
                     <a href="https://sykorax.eu/">O Nas</a>
                 </div>
                 <div class="col-auto">
@@ -75,11 +86,15 @@
                     <a href="https://sykorax.eu/">Współpraca</a>
                 </div>
             </div>
+            <div class="text-center mt-4">
+                <p class="text-muted">&copy; 2023 Dark Athenæum. Wszelkie prawa zastrzeżone.</p>
+            </div>
         </div>
     </footer>
 
     <script src="https://cdn.jsdelivr.net/npm/bootstrap@5.3.2/dist/js/bootstrap.bundle.min.js"></script>
-    <script src="/js/main.js"></script>
+    <script type="module" src="/js/utils.js"></script>
+    <script type="module" src="/js/auth.js"></script>
+    <script type="module" src="/js/books.js"></script>
 </body>
 </html>
-
diff --git a/static/login.html b/static/login.html
index e0ac19b..84b40a3 100644
--- a/static/login.html
+++ b/static/login.html
@@ -2,62 +2,66 @@
 <html lang="pl">
 <head>
     <meta charset="UTF-8">
-    <title>Logowanie</title>
+    <meta name="viewport" content="width=device-width, initial-scale=1">
+    <title>Dark Athenæum - Logowanie</title>
     <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.2/dist/css/bootstrap.min.css" rel="stylesheet">
     <link href="https://cdn.jsdelivr.net/npm/bootstrap-icons@1.11.0/font/bootstrap-icons.css" rel="stylesheet">
     <link href="/css/styles.css" rel="stylesheet">
+    <link rel="preconnect" href="https://fonts.googleapis.com">
+    <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
     <link href="https://fonts.cdnfonts.com/css/old-english-text-mt" rel="stylesheet">
-    <link href="https://fonts.googleapis.com/css2?family=Lobster&family=Inter:wght@400;500;700&display=swap" rel="stylesheet">
+    <link href="https://fonts.googleapis.com/css2?family=Inter:wght@400;500;700&display=swap" rel="stylesheet">
 </head>
 <body class="dark-theme">
-<nav class="navbar navbar-expand-lg">
-            <div class="container">
-                <form class="d-flex me-lg-3 flex-grow-1" id="searchForm">
-                    <input class="me-2"
-                           type="search"
-                           placeholder="Szukaj..."
-                           aria-label="Search"
-                           id="searchInput">
-                </form>
+    <nav class="navbar navbar-expand-lg">
+        <div class="container">
+            <div class="d-flex me-lg-3 flex-grow-1"></div>
+            
+            <a class="navbar-brand mx-lg-auto order-lg-1" href="/">DARK ATHENÆUM</a>
 
-                <a class="navbar-brand mx-lg-auto order-lg-1" href="/">DARK ATHENÆUM</a>
-
-                <div class="d-flex align-items-center order-lg-2">
-                    <div class="auth-links">
-                        <div class="anonymous-links">
-                            <a class="navbar-link" href="/login.html">Logowanie</a>
-                            <a class="navbar-link" href="/register.html">Rejestracja</a>
-                        </div>
-
-                        <div class="user-links">
-                            <a class="navbar-link" href="/profile.html">Profil</a>
-                            <a class="navbar-link" href="#" id="logoutLink">Wyloguj</a>
-                            <a class="navbar-link" href="/cart.html">
-                                <i class="bi bi-basket"></i> Koszyk
-                            </a>
-                        </div>
+            <div class="d-flex align-items-center order-lg-2">
+                <div class="auth-links">
+                    <div class="anonymous-links">
+                        <a class="navbar-link" href="/login.html">Logowanie</a>
+                        <a class="navbar-link" href="/register.html">Rejestracja</a>
+                    </div>
+                    <div class="user-links">
+                        <a class="navbar-link" href="/profile.html">Profil</a>
+                        <a class="navbar-link" href="#" id="logoutLink">Wyloguj</a>
+                        <a class="navbar-link" href="/cart.html">
+                            <i class="bi bi-basket"></i> Koszyk
+                        </a>
                     </div>
                 </div>
             </div>
-        </nav>
-
-    <div class="auth-container">
-        <h2 class="mb-4">LOGOWANIE</h2>
-        <form id="loginForm">
-            <div class="mb-3">
-                <input type="email" class="form-control dark-input"
-                       placeholder="Email" required id="loginEmail">
-            </div>
-            <div class="mb-3">
-                <input type="password" class="form-control dark-input"
-                       placeholder="Hasło" required id="loginPassword">
-            </div>
-            <button type="submit" class="btn w-100">ZALOGUJ SIĘ</button>
-        </form>
-        <div class="text-center mt-3">
-            Nie masz konta? <a href="/register.html">Zarejestruj się</a>
         </div>
-    </div>
+    </nav>
+
+    <main class="container my-5">
+        <div class="row justify-content-center">
+            <div class="col-md-6">
+                <div class="auth-container p-4">
+                    <h2 class="mb-4 text-center">LOGOWANIE</h2>
+                    <form id="loginForm">
+                        <div class="mb-3">
+                            <input type="email" class="form-control dark-input"
+                                placeholder="Email" required id="loginEmail">
+                        </div>
+                        <div class="mb-3">
+                            <input type="password" class="form-control dark-input"
+                                placeholder="Hasło" required id="loginPassword">
+                        </div>
+                        <button type="submit" class="btn w-100 py-3">
+                            <i class="bi bi-box-arrow-in-right me-2"></i> ZALOGUJ SIĘ
+                        </button>
+                    </form>
+                    <div class="text-center mt-3">
+                        Nie masz konta? <a href="/register.html" class="text-gothic">Zarejestruj się</a>
+                    </div>
+                </div>
+            </div>
+        </div>
+    </main>
 
     <footer>
         <div class="container">
@@ -72,10 +76,14 @@
                     <a href="https://sykorax.eu/">Współpraca</a>
                 </div>
             </div>
+            <div class="text-center mt-4">
+                <p class="text-muted">&copy; 2023 Dark Athenæum. Wszelkie prawa zastrzeżone.</p>
+            </div>
         </div>
     </footer>
 
-    <script src="/js/main.js"></script>
+    <script src="https://cdn.jsdelivr.net/npm/bootstrap@5.3.2/dist/js/bootstrap.bundle.min.js"></script>
+    <script type="module" src="/js/utils.js"></script>
+    <script type="module" src="/js/auth.js"></script>
 </body>
 </html>
-
diff --git a/static/profile.html b/static/profile.html
index dc57710..9eaf305 100644
--- a/static/profile.html
+++ b/static/profile.html
@@ -3,51 +3,47 @@
 <head>
     <meta charset="UTF-8">
     <meta name="viewport" content="width=device-width, initial-scale=1">
-    <title>Dark Athenaeum</title>
+    <title>Dark Athenæum - Profil</title>
     <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.2/dist/css/bootstrap.min.css" rel="stylesheet">
     <link href="https://cdn.jsdelivr.net/npm/bootstrap-icons@1.11.0/font/bootstrap-icons.css" rel="stylesheet">
     <link href="/css/styles.css" rel="stylesheet">
+    <link rel="preconnect" href="https://fonts.googleapis.com">
+    <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
     <link href="https://fonts.cdnfonts.com/css/old-english-text-mt" rel="stylesheet">
-    <link href="https://fonts.googleapis.com/css2?family=Lobster&family=Inter:wght@400;500;700&display=swap" rel="stylesheet">
+    <link href="https://fonts.googleapis.com/css2?family=Inter:wght@400;500;700&display=swap" rel="stylesheet">
 </head>
 <body class="dark-theme">
-<nav class="navbar navbar-expand-lg">
-            <div class="container">
-                <form class="d-flex me-lg-3 flex-grow-1" id="searchForm">
-                    <input class="me-2"
-                           type="search"
-                           placeholder="Szukaj..."
-                           aria-label="Search"
-                           id="searchInput">
-                </form>
+    <nav class="navbar navbar-expand-lg">
+        <div class="container">
+            <div class="d-flex me-lg-3 flex-grow-1"></div>
 
-                <a class="navbar-brand mx-lg-auto order-lg-1" href="/">DARK ATHENÆUM</a>
+            <a class="navbar-brand mx-lg-auto order-lg-1" href="/">DARK ATHENÆUM</a>
 
-                <div class="d-flex align-items-center order-lg-2">
-                    <div class="auth-links">
-                        <div class="anonymous-links">
-                            <a class="navbar-link" href="/login.html">Logowanie</a>
-                            <a class="navbar-link" href="/register.html">Rejestracja</a>
-                        </div>
-
-                        <div class="user-links">
-                            <a class="navbar-link" href="/profile.html">Profil</a>
-                            <a class="navbar-link" href="#" id="logoutLink">Wyloguj</a>
-                            <a class="navbar-link" href="/cart.html">
-                                <i class="bi bi-basket"></i> Koszyk
-                            </a>
-                        </div>
+            <div class="d-flex align-items-center order-lg-2">
+                <div class="auth-links">
+                    <div class="anonymous-links">
+                        <a class="navbar-link" href="/login.html">Logowanie</a>
+                        <a class="navbar-link" href="/register.html">Rejestracja</a>
+                    </div>
+                    <div class="user-links">
+                        <a class="navbar-link" href="/profile.html">Profil</a>
+                        <a class="navbar-link" href="#" id="logoutLink">Wyloguj</a>
+                        <a class="navbar-link" href="/cart.html">
+                            <i class="bi bi-basket"></i> Koszyk
+                        </a>
                     </div>
                 </div>
             </div>
-        </nav>
+        </div>
+    </nav>
 
-    <main class="container py-5">
-        <h2 class="mb-4">Twój profil</h2>
+
+    <main class="container my-5">
+        <h1 class="mb-4 fw-bold">Twój profil</h1>
         
-        <div id="profile" class="p-4 mb-4">
-            <h3 class="mb-3">Historia zamówień</h3>
-            <div id="order-history"></div>
+        <div class="card dark-card p-4 mb-4">
+            <h3 class="mb-3 border-bottom pb-2">Historia zamówień</h3>
+            <div id="order-history" class="mt-3"></div>
         </div>
     </main>
 
@@ -64,9 +60,13 @@
                     <a href="https://sykorax.eu/">Współpraca</a>
                 </div>
             </div>
+            <div class="text-center mt-4">
+                <p class="text-muted">&copy; 2023 Dark Athenæum. Wszelkie prawa zastrzeżone.</p>
+            </div>
         </div>
     </footer>
 
+    <script src="https://cdn.jsdelivr.net/npm/bootstrap@5.3.2/dist/js/bootstrap.bundle.min.js"></script>
     <script type="module" src="/js/utils.js"></script>
     <script type="module" src="/js/auth.js"></script>
     <script type="module" src="/js/profile.js"></script>
diff --git a/static/register.html b/static/register.html
index 1ace860..8fe3835 100644
--- a/static/register.html
+++ b/static/register.html
@@ -2,69 +2,74 @@
 <html lang="pl">
 <head>
     <meta charset="UTF-8">
-    <title>Rejestracja</title>
+    <meta name="viewport" content="width=device-width, initial-scale=1">
+    <title>Dark Athenæum - Rejestracja</title>
     <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.2/dist/css/bootstrap.min.css" rel="stylesheet">
     <link href="https://cdn.jsdelivr.net/npm/bootstrap-icons@1.11.0/font/bootstrap-icons.css" rel="stylesheet">
     <link href="/css/styles.css" rel="stylesheet">
-    <link href="https://fonts.googleapis.com/css2?family=Lobster&family=Inter:wght@400;500;700&display=swap" rel="stylesheet">
+    <link rel="preconnect" href="https://fonts.googleapis.com">
+    <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
+    <link href="https://fonts.cdnfonts.com/css/old-english-text-mt" rel="stylesheet">
+    <link href="https://fonts.googleapis.com/css2?family=Inter:wght@400;500;700&display=swap" rel="stylesheet">
 </head>
 <body class="dark-theme">
-<nav class="navbar navbar-expand-lg">
-            <div class="container">
-                <form class="d-flex me-lg-3 flex-grow-1" id="searchForm">
-                    <input class="me-2"
-                           type="search"
-                           placeholder="Szukaj..."
-                           aria-label="Search"
-                           id="searchInput">
-                </form>
+    <nav class="navbar navbar-expand-lg">
+        <div class="container">
+            <div class="d-flex me-lg-3 flex-grow-1"></div>
+            
+            <a class="navbar-brand mx-lg-auto order-lg-1" href="/">DARK ATHENÆUM</a>
 
-                <a class="navbar-brand mx-lg-auto order-lg-1" href="/">DARK ATHENÆUM</a>
-
-                <div class="d-flex align-items-center order-lg-2">
-                    <div class="auth-links">
-                        <div class="anonymous-links">
-                            <a class="navbar-link" href="/login.html">Logowanie</a>
-                            <a class="navbar-link" href="/register.html">Rejestracja</a>
-                        </div>
-
-                        <div class="user-links">
-                            <a class="navbar-link" href="/profile.html">Profil</a>
-                            <a class="navbar-link" href="#" id="logoutLink">Wyloguj</a>
-                            <a class="navbar-link" href="/cart.html">
-                                <i class="bi bi-basket"></i> Koszyk
-                            </a>
-                        </div>
+            <div class="d-flex align-items-center order-lg-2">
+                <div class="auth-links">
+                    <div class="anonymous-links">
+                        <a class="navbar-link" href="/login.html">Logowanie</a>
+                        <a class="navbar-link" href="/register.html">Rejestracja</a>
+                    </div>
+                    <div class="user-links">
+                        <a class="navbar-link" href="/profile.html">Profil</a>
+                        <a class="navbar-link" href="#" id="logoutLink">Wyloguj</a>
+                        <a class="navbar-link" href="/cart.html">
+                            <i class="bi bi-basket"></i> Koszyk
+                        </a>
                     </div>
                 </div>
             </div>
-        </nav>
+        </div>
+    </nav>
 
-    <div class="auth-container">
-        <h2 class="mb-4">REJESTRACJA</h2>
-        <form id="registerForm">
-            <div class="mb-3">
-                <input type="text" class="form-control dark-input"
-                       placeholder="Imię" required id="registerName">
+    <main class="container my-5">
+        <div class="row justify-content-center">
+            <div class="col-md-6">
+                <div class="auth-container p-4">
+                    <h2 class="mb-4 text-center">REJESTRACJA</h2>
+                    <form id="registerForm">
+                        <div class="mb-3">
+                            <input type="text" class="form-control dark-input"
+                                placeholder="Imię" required id="registerName">
+                        </div>
+                        <div class="mb-3">
+                            <input type="email" class="form-control dark-input"
+                                placeholder="Email" required id="registerEmail">
+                        </div>
+                        <div class="mb-3">
+                            <input type="password" class="form-control dark-input"
+                                placeholder="Hasło (min. 8 znaków)" required minlength="8" id="registerPassword">
+                        </div>
+                        <div class="mb-3">
+                            <input type="password" class="form-control dark-input"
+                                placeholder="Powtórz hasło" required id="registerConfirmPassword">
+                        </div>
+                        <button type="submit" class="btn w-100 py-3">
+                            <i class="bi bi-person-plus me-2"></i> ZAREJESTRUJ SIĘ
+                        </button>
+                    </form>
+                    <div class="text-center mt-3">
+                        Masz już konto? <a href="/login.html" class="text-gothic">Zaloguj się</a>
+                    </div>
+                </div>
             </div>
-            <div class="mb-3">
-                <input type="email" class="form-control dark-input"
-                       placeholder="Email" required id="registerEmail">
-            </div>
-            <div class="mb-3">
-                <input type="password" class="form-control dark-input"
-                       placeholder="Hasło (min. 8 znaków)" required minlength="8" id="registerPassword">
-            </div>
-            <div class="mb-3">
-                <input type="password" class="form-control dark-input"
-                       placeholder="Powtórz hasło" required id="registerConfirmPassword">
-            </div>
-            <button type="submit" class="btn w-100">ZAREJESTRUJ SIĘ</button>
-        </form>
-        <div class="text-center mt-3">
-    		Masz już konto? <a href="/login.html">Zaloguj się</a>
-	</div>
-    </div>
+        </div>
+    </main>
 
     <footer>
         <div class="container">
@@ -79,10 +84,14 @@
                     <a href="https://sykorax.eu/">Współpraca</a>
                 </div>
             </div>
+            <div class="text-center mt-4">
+                <p class="text-muted">&copy; 2023 Dark Athenæum. Wszelkie prawa zastrzeżone.</p>
+            </div>
         </div>
     </footer>
 
-    <script src="/js/main.js"></script>
+    <script src="https://cdn.jsdelivr.net/npm/bootstrap@5.3.2/dist/js/bootstrap.bundle.min.js"></script>
+    <script type="module" src="/js/utils.js"></script>
+    <script type="module" src="/js/auth.js"></script>
 </body>
 </html>
-
diff --git a/static/thankyou.html b/static/thankyou.html
index 80ede27..97ea97f 100644
--- a/static/thankyou.html
+++ b/static/thankyou.html
@@ -2,50 +2,76 @@
 <html lang="pl">
 <head>
     <meta charset="UTF-8">
-    <title>Podziękowanie - Dark Athenaeum</title>
+    <meta name="viewport" content="width=device-width, initial-scale=1">
+    <title>Dark Athenæum - Dziękujemy</title>
     <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.2/dist/css/bootstrap.min.css" rel="stylesheet">
+    <link href="https://cdn.jsdelivr.net/npm/bootstrap-icons@1.11.0/font/bootstrap-icons.css" rel="stylesheet">
     <link href="/css/styles.css" rel="stylesheet">
+    <link rel="preconnect" href="https://fonts.googleapis.com">
+    <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
+    <link href="https://fonts.cdnfonts.com/css/old-english-text-mt" rel="stylesheet">
+    <link href="https://fonts.googleapis.com/css2?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>
+    <nav class="navbar navbar-expand-lg">
+        <div class="container">
+            <div class="d-flex me-lg-3 flex-grow-1"></div>
+            
+            <a class="navbar-brand mx-lg-auto order-lg-1" href="/">DARK ATHENÆUM</a>
 
-                <!-- 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 class="d-flex align-items-center order-lg-2">
+                <div class="auth-links">
+                    <div class="user-links">
+                        <a class="navbar-link" href="/profile.html">Profil</a>
+                        <a class="navbar-link" href="#" id="logoutLink">Wyloguj</a>
+                        <a class="navbar-link" href="/cart.html">
+                            <i class="bi bi-basket"></i> Koszyk
+                        </a>
                     </div>
                 </div>
             </div>
-        </nav>
+        </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>
-        <a href="/profile.html" class="btn btn-gothic">Zobacz historię zamówień</a>
-        <a href="/" class="btn btn-outline-gothic ms-2">Strona główna</a>
+    <main class="container my-5 text-center py-5">
+        <div class="row justify-content-center">
+            <div class="col-md-8">
+                <h1 class="display-3 fw-bold mb-4">Dziękujemy za zakup!</h1>
+                <p class="lead fs-4 mb-5">Twoje zamówienie zostało pomyślnie zrealizowane.</p>
+                
+                <div class="d-flex justify-content-center gap-3">
+                    <a href="/profile.html" class="btn btn-lg btn-gothic">
+                        <i class="bi bi-clock-history me-2"></i> Historia zamówień
+                    </a>
+                    <a href="/" class="btn btn-lg btn-outline-gothic">
+                        <i class="bi bi-house-door me-2"></i> Strona główna
+                    </a>
+                </div>
+            </div>
+        </div>
     </main>
+
+    <footer>
+        <div class="container">
+            <div class="row justify-content-center align-items-center text-center">
+                <div class="col-auto mb-2 mb-md-0">
+                    <a href="https://sykorax.eu/">O Nas</a>
+                </div>
+                <div class="col-auto">
+                    <a href="https://sykorax.eu/">Kontakt</a>
+                </div>
+                <div class="col-auto">
+                    <a href="https://sykorax.eu/">Współpraca</a>
+                </div>
+            </div>
+            <div class="text-center mt-4">
+                <p class="text-muted">&copy; 2023 Dark Athenæum. Wszelkie prawa zastrzeżone.</p>
+            </div>
+        </div>
+    </footer>
+
+    <script src="https://cdn.jsdelivr.net/npm/bootstrap@5.3.2/dist/js/bootstrap.bundle.min.js"></script>
+    <script type="module" src="/js/utils.js"></script>
+    <script type="module" src="/js/auth.js"></script>
 </body>
 </html>