body {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    margin: 0;
    padding: 0;
    background-color: #f4f4f4;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

header {
    background-color: #333;
    color: #fff;
    padding: 1rem;
}

nav ul {
    list-style-type: none;
    padding: 0;
}

nav ul li {
    display: inline;
    margin-right: 10px;
}

nav ul li a {
    color: #fff;
    text-decoration: none;
}

main {
    padding: 20px;
    flex: 1;
    margin-bottom: 60px; /* Add space for footer */
}

h1, h2 {
    color: #333;
}

header-image {
    width: 100%;
    max-height: 400px;
    object-fit: cover;
}

.intro-text {
    margin-bottom: 20px;
}

.button {
    display: inline-block;
    background-color: #4CAF50;
    color: white;
    padding: 10px 20px;
    text-decoration: none;
    border-radius: 5px;
}

#book-list {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-around;
}

.book {
    background-color: #fff;
    border: 1px solid #ddd;
    border-radius: 5px;
    padding: 15px;
    margin: 10px;
    width: 200px;
    text-align: center;
}

.book img {
    max-width: 100%;
    height: auto;
    cursor: pointer;
}

.book h3 {
    margin: 10px 0;
}

.book p {
    margin: 5px 0;
}

#cart {
    background-color: #fff;
    border: 1px solid #ddd;
    border-radius: 5px;
    padding: 15px;
    margin-top: 20px;
}

.author-info {
    display: flex;
    align-items: flex-start;
    margin-top: 20px;
}

.author-image {
    width: 300px;
    height: auto;
    margin-right: 20px;
}

.author-text {
    flex: 1;
}

footer {
    background-color: #333;
    color: #fff;
    text-align: center;
    padding: 1rem;
    width: 100%;
    position: relative; /* Changed from fixed */
}

.book-details {
    display: flex;
    gap: 30px;
    background-color: #fff;
    padding: 20px;
    border-radius: 5px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.book-details-image {
    flex: 0 0 300px;
}

.book-details-image img {
    width: 100%;
    height: auto;
    border-radius: 5px;
}

.book-details-content {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.book-details-content h2 {
    margin-top: 0;
    color: #333;
}

.book-author {
    color: #666;
    margin-bottom: 10px;
}

.book-price {
    font-size: 1.2em;
    font-weight: bold;
    color: #4CAF50;
}

.book-description {
    margin: 15px 0;
    line-height: 1.6;
}

.add-to-cart-btn {
    width: fit-content;
    padding: 12px 30px;
    background-color: #4CAF50;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 1em;
    margin-top: auto;
    transition: background-color 0.3s;
}

.add-to-cart-btn:hover {
    background-color: #45a049;
}

/* Checkout Page Specific Styles */
#checkout-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
    background-color: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

#cart-items {
    margin-bottom: 20px;
}

#cart-items h2 {
    margin-bottom: 10px;
}

#cart-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

#cart-list li {
    padding: 10px;
    border-bottom: 1px solid #ddd;
}

#cart-list li:last-child {
    border-bottom: none;
}

.checkout-form {
    max-width: 400px;
    margin: 0 auto;
    padding: 20px;
    border: 1px solid #ddd;
    border-radius: 8px;
}

.checkout-table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 20px;
}

.checkout-table th,
.checkout-table td {
    padding: 10px;
    border: 1px solid #ddd;
    text-align: left;
}

.checkout-table th {
    background-color: #f5f5f5;
}

.checkout-table button {
    padding: 5px 10px;
    margin: 0 5px;
    background-color: #4CAF50;
    color: white;
    border: none;
    border-radius: 3px;
    cursor: pointer;
}

.checkout-table button:hover {
    background-color: #45a049;
}

#orderSummary {
    background-color: #f5f5f5;
    padding: 15px;
    border-radius: 4px;
    margin-bottom: 15px;
}

#orderSummary ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.order-summary-table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
}

.order-summary-table th,
.order-summary-table td {
    padding: 12px;
    text-align: left;
    border: 1px solid #ddd;
}

.order-summary-table th {
    background-color: #f5f5f5;
    font-weight: bold;
}

.quantity-btn {
    padding: 2px 8px;
    margin: 0 5px;
    background-color: #4CAF50;
    color: white;
    border: none;
    border-radius: 3px;
    cursor: pointer;
}

.quantity-display {
    padding: 0 10px;
}

.order-confirmation {
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
    background-color: white;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.confirmation-details {
    margin-top: 20px;
}

.order-books {
    margin: 20px 0;
    padding: 15px;
    background-color: #f9f9f9;
    border-radius: 4px;
}

.order-books ul {
    list-style: none;
    padding: 0;
}

.order-books li {
    padding: 8px 0;
    border-bottom: 1px solid #eee;
}

.order-books li:last-child {
    border-bottom: none;
}

.total {
    font-size: 1.2em;
    font-weight: bold;
    margin: 20px 0;
}

.confirmation-details .button {
    display: inline-block;
    margin-top: 20px;
}

.remove-btn {
    padding: 5px 10px;
    background-color: #ff4444;
    color: white;
    border: none;
    border-radius: 3px;
    cursor: pointer;
}

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

.form-group {
    margin-bottom: 15px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
}

.form-group input {
    width: 100%;
    padding: 8px;
    border: 1px solid #ddd;
    border-radius: 4px;
}

.checkout-btn {
    width: 100%;
    padding: 10px;
    background-color: #4CAF50;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
}

/* PayPal Button Styling */
#paypal-button-container {
    margin-top: 20px;
    text-align: center;
    min-height: 55px; /* Ensures space for the PayPal button */
}
/* Checkout page styles */
#checkout-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
}

/* Cart display styles */
.cart-items {
    border: 1px solid #ddd;
    border-radius: 8px;
    padding: 15px;
    margin-bottom: 20px;
}

.cart-item-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
    border-bottom: 1px solid #eee;
}

.cart-item-row:last-child {
    border-bottom: none;
}

.item-details h4 {
    margin: 0 0 5px 0;
    color: #333;
}

.item-details p {
    margin: 2px 0;
    color: #666;
    font-size: 14px;
}

.item-controls {
    display: flex;
    align-items: center;
    gap: 15px;
}

.quantity-controls {
    display: flex;
    align-items: center;
    gap: 8px;
}

.qty-btn {
    background: #f0f0f0;
    border: 1px solid #ccc;
    width: 30px;
    height: 30px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 16px;
    font-weight: bold;
}

.qty-btn:hover {
    background: #e0e0e0;
}

.quantity {
    min-width: 30px;
    text-align: center;
    font-weight: bold;
}

.item-total {
    font-weight: bold;
    color: #333;
    min-width: 80px;
    text-align: right;
}

.remove-btn {
    background: #dc3545;
    color: white;
    border: none;
    padding: 6px 12px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 12px;
}

.remove-btn:hover {
    background: #c82333;
}

.cart-total {
    text-align: right;
    padding: 15px;
    background: #f8f9fa;
    border-radius: 8px;
    margin-top: 15px;
}

/* Order summary styles */
.summary-items {
    border: 1px solid #ddd;
    border-radius: 8px;
    padding: 15px;
    margin-bottom: 15px;
}

.summary-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 0;
    border-bottom: 1px solid #eee;
}

.summary-item:last-child {
    border-bottom: none;
}

.item-name {
    flex: 1;
    font-weight: 500;
}

.item-qty {
    color: #666;
    font-size: 14px;
    margin: 0 15px;
}

.item-price {
    font-weight: bold;
    color: #333;
}

.summary-totals {
    background: #f8f9fa;
    border-radius: 8px;
    padding: 15px;
}

.summary-line {
    display: flex;
    justify-content: space-between;
    padding: 5px 0;
}

.total-line {
    border-top: 2px solid #333;
    padding-top: 10px;
    margin-top: 10px;
    font-size: 18px;
}

/* Customer form styles */
#customer-info {
    grid-column: span 2;
    margin-top: 30px;
}

.form-group {
    margin-bottom: 15px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: bold;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 16px;
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

/* PayPal container */
#paypal-button-container {
    grid-column: span 2;
    max-width: 500px;
    margin: 20px auto;
}

/* Responsive design */
@media (max-width: 768px) {
    #checkout-container {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .cart-item-row {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }
    
    .item-controls {
        width: 100%;
        justify-content: space-between;
    }
}