/* Universal Books - Cart Page Styles */

/* Inherits CSS Variables from style.css via HTML link */

/* Cart Main Content */
.cart-main-content {
    min-height: calc(100vh - var(--header-height) - var(--announcement-height));
    padding: var(--spacing-3xl) 0;
    background: var(--background-light);
}

/* Cart Header */
.cart-header {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
}

.cart-page-title {
    font-family: var(--font-heading);
    font-size: 3rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.cart-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* Cart Content Area */
.cart-content-area {
    display: grid;
    grid-template-columns: 1fr 350px;
    gap: var(--spacing-3xl);
    margin-bottom: var(--spacing-3xl);
}

/* Cart Items Section */
.cart-items-section {
    background: var(--background);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
}

.cart-items-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
}

.cart-section-title {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

/* Clear cart button styling inherited from style.css */

/* Cart Items Grid */
.cart-items-container {
    margin-bottom: var(--spacing-xl);
}

.cart-items-grid {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

/* Cart Item Card */
.cart-item-card {
    display: flex;
    gap: var(--spacing-lg);
    padding: var(--spacing-lg);
    background: var(--background-light);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-light);
    transition: all var(--transition-fast);
}

.cart-item-card:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--border-color);
}

.cart-item-image {
    width: 120px;
    height: 160px;
    flex-shrink: 0;
    border-radius: var(--radius-md);
    overflow: hidden;
    background: var(--background);
}

.cart-item-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-fast);
}

.cart-item-card:hover .cart-item-image img {
    transform: scale(1.05);
}

.cart-item-details {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.cart-item-title {
    font-family: var(--font-heading);
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
    line-height: 1.4;
}

.cart-item-author {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin: 0;
}

.cart-item-price {
    display: flex;
    flex-direction: column;
    gap: 2px;
    margin: var(--spacing-sm) 0;
}

/* Cart Item Actions */
.cart-item-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: auto;
    padding-top: var(--spacing-sm);
}

.quantity-controls {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    background: var(--background);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--spacing-xs);
}

.quantity-btn {
    width: 32px;
    height: 32px;
    border: none;
    background: transparent;
    color: var(--text-primary);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
}

.quantity-btn:hover {
    background: var(--primary-color);
    color: white;
}

.quantity-display {
    min-width: 40px;
    text-align: center;
    font-weight: 500;
    color: var(--text-primary);
}

.remove-item-btn {
    width: 36px;
    height: 36px;
    border: none;
    background: var(--error-color);
    color: white;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
}

.remove-item-btn:hover {
    background: var(--error-color);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

/* Empty Cart State */
.empty-cart {
    text-align: center;
    padding: var(--spacing-3xl) var(--spacing-xl);
    background: var(--background-light);
    border-radius: var(--radius-lg);
    border: 2px dashed var(--border-color);
}

.empty-cart-icon {
    margin-bottom: var(--spacing-lg);
    color: var(--text-light);
}

.empty-cart-title {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

.empty-cart-description {
    font-size: 1rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
}

.browse-books-btn {
    display: inline-block;
    background: var(--primary-color);
    color: white;
    padding: var(--spacing-md) var(--spacing-xl);
    border-radius: var(--radius-lg);
    font-weight: 600;
    text-decoration: none;
    transition: all var(--transition-fast);
    box-shadow: var(--shadow-sm);
}

.browse-books-btn:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    color: white;
}

/* Cart Summary Section */
.cart-summary-section {
    position: sticky;
    top: var(--spacing-xl);
    height: fit-content;
}

.cart-summary-card {
    background: var(--background);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
}

.summary-title {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
}

.summary-stats {
    margin-bottom: var(--spacing-xl);
}

.summary-stat {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) 0;
}

.summary-stat.total {
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--border-color);
    font-weight: 600;
    font-size: 1.125rem;
}

.stat-label {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.summary-stat.total .stat-label {
    color: var(--text-primary);
    font-size: 1rem;
}

.stat-value {
    color: var(--text-primary);
    font-weight: 500;
}

.summary-stat.total .stat-value {
    color: var(--primary-color);
    font-weight: 700;
}

/* Cart Actions */
.cart-actions {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.checkout-btn {
    background: var(--primary-color);
    color: white;
    border: none;
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-lg);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
    box-shadow: var(--shadow-sm);
}

.checkout-btn:hover:not(:disabled) {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.checkout-btn:disabled {
    background: var(--text-light);
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.continue-shopping-btn {
    display: block;
    text-align: center;
    color: var(--primary-color);
    text-decoration: none;
    padding: var(--spacing-sm);
    font-weight: 500;
    transition: color var(--transition-fast);
}

.continue-shopping-btn:hover {
    color: var(--primary-dark);
}

/* Cart Toast Notifications */
.cart-toast {
    position: fixed;
    bottom: 24px;
    right: 24px;
    background: var(--success-color);
    color: white;
    padding: 14px 20px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-xl);
    font-weight: 500;
    z-index: 10000;
    transform: translateY(100px);
    opacity: 0;
    transition: all var(--transition-normal);
    max-width: 320px;
    min-width: 200px;
    font-size: 0.875rem;
}

.cart-toast.show {
    transform: translateY(0);
    opacity: 1;
}

.cart-toast.error {
    background: var(--error-color);
}

.cart-toast.info {
    background: var(--info-color);
}

/* Active Cart Link */
.cart-link.active {
    color: var(--primary-color);
}

.cart-link.active .cart-icon {
    stroke: var(--primary-color);
}

/* Cart Functionality Enhancements */
.cart-item-card {
    position: relative;
    overflow: hidden;
}

.cart-item-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s;
}

.cart-item-card:hover::before {
    left: 100%;
}

/* Quantity Controls Enhancement */
.quantity-controls {
    user-select: none;
}

.quantity-btn:active {
    transform: scale(0.95);
}

/* Cart Summary Animations */
.cart-summary-card {
    transform: translateY(0);
    transition: transform var(--transition-fast);
}

.cart-summary-card:hover {
    transform: translateY(-2px);
}

/* Empty Cart Animation */
.empty-cart-icon svg {
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
}

/* Cart Badge Pulse Animation */
.cart-badge {
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.1); }
    100% { transform: scale(1); }
}

/* Loading State for Cart Items */
.cart-loading {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: var(--spacing-3xl);
}

.cart-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--border-color);
    border-top: 3px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Mobile Responsive Styles */
@media (min-width: 768px) and (max-width: 1024px) {
    .cart-content-area {
        grid-template-columns: 1fr 300px;
        gap: var(--spacing-xl);
    }
}

@media (max-width: 767px) {
    .cart-page-title {
        font-size: 2rem;
    }

    .cart-main-content {
        padding: var(--spacing-xl) 0;
    }

    .cart-content-area {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }

    .cart-summary-section {
        position: static;
        order: -1;
    }

    .cart-items-section {
        padding: var(--spacing-lg);
    }

    .cart-item-card {
        flex-direction: column;
        text-align: center;
    }

    .cart-item-image {
        width: 100px;
        height: 130px;
        margin: 0 auto;
    }

    .cart-item-actions {
        justify-content: center;
        gap: var(--spacing-lg);
    }

    .cart-items-header {
        flex-direction: column;
        gap: var(--spacing-md);
        align-items: stretch;
    }
}

@media (max-width: 480px) {
    .cart-main-content {
        padding: var(--spacing-lg) var(--spacing-sm);
    }
    
    .cart-toast {
        left: 12px;
        right: 12px;
        bottom: 12px;
        max-width: calc(100vw - 24px);
        font-size: 0.8125rem;
    }

    .cart-items-section,
    .cart-summary-card {
        padding: var(--spacing-md);
    }

    .cart-item-card {
        padding: var(--spacing-md);
    }

    .quantity-controls {
        gap: var(--spacing-sm);
        padding: var(--spacing-xs);
    }

    .quantity-btn {
        width: 36px;
        height: 36px;
        font-size: 1rem;
    }

    .quantity-display {
        min-width: 40px;
        font-size: 0.875rem;
        padding: 0 var(--spacing-xs);
    }
}

/* Animation for cart items */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.cart-item-card {
    animation: fadeInUp 0.3s ease-out;
}

/* Loading States */
.loading {
    opacity: 0.6;
    pointer-events: none;
}

/* Utility Classes for Cart */
.cart-hidden {
    display: none !important;
}

.cart-text-center {
    text-align: center;
}

.cart-text-left {
    text-align: left;
}

.cart-text-right {
    text-align: right;
}