* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: Arial, sans-serif;
}

body {
    background-color: #f4f4f4;
    color: #333;
    line-height: 1.6;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

main {
    flex: 1;
}

[dir="rtl"] * {
    font-family: Tahoma, Arial, sans-serif;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
}

.container {
    width: 90%;
    margin: 0 auto;
    max-width: 1200px;
}

header {
    background-color: #0f084b;
    color: #ffffff;
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 10px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.8rem;
    font-weight: bold;
    color: #c2e7d9;
}

.nav-links,
.utility-nav {
    display: flex;
    align-items: center;
    gap: 20px;
}

.nav-links a:hover,
.utility-nav a:hover {
    color: #c2e7d9;
}

.nav-links a.active,
.utility-nav a.active {
    font-weight: bold;
    border-bottom: 2px solid #c2e7d9;
}

.search-bar {
    background: #ffffff;
    border-radius: 20px;
    padding: 5px 15px;
    display: flex;
    align-items: center;
}

.search-bar input {
    border: none;
    outline: none;
    width: 150px;
}

.search-bar button {
    background: none;
    border: none;
    cursor: pointer;
    color: #0f084b;
}

.btn {
    display: inline-block;
    background-color: #0f084b;
    color: #ffffff;
    padding: 10px 25px;
    border-radius: 10px;
    border: none;
    cursor: pointer;
}

.btn:hover {
    background-color: #262262;
}

.btn-register {
    background-color: #c2e7d9;
    color: #0f084b !important;
    padding: 5px 15px;
    border-radius: 5px;
    font-weight: bold;
}

.btn-logout {
    background-color: #ff4444 !important;
    border: none;
}

.btn-logout:hover {
    background-color: #cc0000 !important;
}

.page-title {
    text-align: center;
    color: #0f084b;
    margin: 30px 0;
}

.product-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 30px;
    margin-top: 30px;
}

.product-card {
    background: #ffffff;
    padding: 20px;
    border-radius: 10px;
    text-align: center;
    border: 1px solid #ddd;
    width: 250px;
}

.price {
    display: block;
    color: #0f084b;
    font-weight: bold;
    font-size: 1.2rem;
    margin: 10px 0;
}

.form-container,
.log-in,
.checkout-form {
    background: #ffffff;
    max-width: 450px;
    margin: 40px auto;
    padding: 40px;
    border-radius: 10px;
    border: 1px solid #ddd;
    text-align: center;
}

.checkout-form {
    max-width: 600px;
    text-align: left;
}

[dir="rtl"] .checkout-form {
    text-align: right;
}

input,
select,
textarea {
    width: 100%;
    padding: 12px;
    margin-bottom: 15px;
    border: 1px solid #ddd;
    border-radius: 10px;
    outline: none;
}

input:focus {
    border-color: #0f084b;
}

.checkout-form h3 {
    margin-bottom: 15px;
    color: #0f084b;
    border-bottom: 2px solid #a6cfd5;
    padding-bottom: 10px;
}

.payment-methods {
    display: flex;
    gap: 20px;
    margin-top: 10px;
    flex-wrap: wrap;
}

.radio-label {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    border: 1px solid #ddd;
    padding: 15px;
    border-radius: 10px;
    flex: 1;
}

.radio-label:hover {
    background-color: #f9f9f9;
    border-color: #0f084b;
}

.input-with-icon {
    position: relative;
    width: 100%;
}

.input-with-icon i {
    position: absolute;
    right: 15px;
    top: 50%;
    margin-top: -8px;
    color: #888;
}

[dir="rtl"] .input-with-icon i {
    right: auto;
    left: 15px;
}

.hero {
    background-color: #a6cfd5;
    padding: 80px 20px;
    text-align: center;
    margin-bottom: 40px;
}

.hero h1 {
    color: #0f084b;
    font-size: 2.5rem;
    margin-bottom: 15px;
}

.cart-table {
    width: 100%;
    border-collapse: collapse;
    background: #ffffff;
    border-radius: 10px;
    border: 1px solid #ddd;
}

.cart-table th {
    background: #0f084b;
    color: #ffffff;
    padding: 15px;
}

.cart-table td {
    padding: 15px;
    border-bottom: 1px solid #eee;
    text-align: center;
    vertical-align: middle;
}

.cart-thumb {
    width: 50px;
    height: 70px;
    object-fit: cover;
    border-radius: 5px;
    margin-right: 10px;
    vertical-align: middle;
}

[dir="rtl"] .cart-thumb {
    margin-right: 0;
    margin-left: 10px;
}

footer {
    background: #0f084b;
    color: #ffffff;
    text-align: center;
    padding: 20px;
    margin-top: 50px;
}

.social-icons {
    margin-top: 15px;
}

.social-icons a {
    color: #ffffff;
    font-size: 1.2rem;
    margin: 0 10px;
}

.social-icons a:hover {
    color: #c2e7d9;
}

.admin-container {
    max-width: 1000px;
    margin: 0 auto;
}

.admin-section {
    background: #ffffff;
    padding: 30px;
    border-radius: 10px;
    border: 1px solid #ddd;
    margin-bottom: 40px;
}

.admin-section h2 {
    color: #0f084b;
    margin-bottom: 20px;
    border-bottom: 2px solid #eee;
    padding-bottom: 10px;
}

.add-book-form {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
}

.form-group {
    flex: 1 1 45%;
    display: flex;
    flex-direction: column;
}

.form-group.full-width {
    flex: 1 1 100%;
}

.form-group label {
    margin-bottom: 5px;
    font-weight: bold;
    color: #555;
}

.books-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 20px;
}

.books-table th {
    background-color: #0f084b;
    color: #ffffff;
    padding: 12px;
    text-align: left;
}

[dir="rtl"] .books-table th {
    text-align: right;
}

.books-table td {
    padding: 12px;
    border-bottom: 1px solid #eee;
}

.books-table select {
    width: auto;
    margin-bottom: 0;
    padding: 5px;
    font-size: 0.9rem;
    cursor: pointer;
}

.action-btn {
    background-color: #ff4444;
    color: white;
    border: none;
    padding: 5px 10px;
    border-radius: 5px;
    cursor: pointer;
    font-size: 0.9rem;
}

.action-btn:hover {
    background-color: #cc0000;
}

.nav-toggle,
.nav-toggle-label {
    display: none;
}

@media (max-width: 768px) {
    .nav-toggle-label {
        display: block;
        color: #ffffff;
        font-size: 1.5rem;
        cursor: pointer;
    }

    .main-nav,
    .utility-nav {
        display: none;
        width: 100%;
        flex-direction: column;
        background-color: #0f084b;
        padding: 0;
        border-top: 1px solid rgba(255, 255, 255, 0.1);
        text-align: center;
        box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    }

    #nav-toggle:checked~.main-nav,
    #nav-toggle:checked~.utility-nav {
        display: flex;
    }

    .main-nav ul {
        width: 100%;
        display: flex;
        flex-direction: column;
    }

    .main-nav li {
        width: 100%;
    }

    .main-nav a,
    .utility-nav a {
        display: block;
        padding: 15px 0;
        border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        width: 100%;
        color: white;
    }

    .main-nav a:hover,
    .utility-nav a:hover {
        background-color: rgba(255, 255, 255, 0.05);
        color: #c2e7d9;
    }

    .header-container {
        flex-direction: column;
    }

    .search-bar {
        width: 100%;
    }

    .search-bar input {
        width: 100%;
    }

    .form-group {
        flex: 1 1 100%;
    }
}

.star-rating {
    display: flex;
    flex-direction: row-reverse;
    justify-content: flex-end;
    gap: 5px;
}

.star-rating input {
    display: none;
}

.star-rating label {
    font-size: 2rem;
    color: #ddd;
    cursor: pointer;
}

.star-rating input:checked~label,
.star-rating label:hover,
.star-rating label:hover~label {
    color: #ffc107;
}

.product-reviews {
    margin-top: 40px;
    background: #ffffff;
    padding: 30px;
    border-radius: 10px;
    border: 1px solid #ddd;
}

.product-reviews h2 {
    color: #0f084b;
    margin-bottom: 20px;
    border-bottom: 2px solid #eee;
    padding-bottom: 10px;
}

.alert-error {
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
    padding: 15px;
    border-radius: 10px;
    margin-bottom: 20px;
    text-align: center;
    font-weight: bold;
}

[dir="rtl"] .alert-error {
    text-align: center;
}

[dir="rtl"] input,
[dir="rtl"] select,
[dir="rtl"] textarea {
    text-align: right;
}

[dir="rtl"] .input-with-icon input {
    padding-right: 15px;
    padding-left: 40px;
}

.product-details {
    display: flex;
    gap: 40px;
    background: #ffffff;
    padding: 40px;
    border-radius: 10px;
    border: 1px solid #ddd;
    margin-top: 40px;
}

.product-image {
    flex: 1;
    text-align: center;
}

.product-image img {
    max-width: 300px;
    border-radius: 10px;
    border: 1px solid #eee;
}

.product-info {
    flex: 2;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.product-info h1 {
    color: #0f084b;
    font-size: 2.5rem;
    margin-bottom: 10px;
}

.product-info p {
    margin-bottom: 15px;
    font-size: 1.1rem;
}

@media (max-width: 768px) {
    .product-details {
        flex-direction: column;
    }
}

@media (max-width: 768px) {
    .admin-section {
        overflow-x: auto;
    }

    .books-table {
        min-width: 600px;
    }
}

@media (max-width: 768px) {

    .container,
    .form-container,
    .log-in,
    .checkout-form,
    .product-details,
    .admin-section,
    .product-reviews {
        width: 95% !important;
        padding: 15px !important;
        margin-left: auto !important;
        margin-right: auto !important;
    }

    h1,
    .page-title,
    .product-info h1,
    .hero h1 {
        font-size: 1.8rem !important;
        word-wrap: break-word;
    }

    img,
    input,
    select,
    textarea,
    button,
    .btn {
        max-width: 100% !important;
    }

    p,
    span,
    a,
    label {
        overflow-wrap: break-word;
    }
}