/* Product Cards */
.product-card {
    background-color: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition);
    position: relative;
    border: 1px solid var(--gray-200);
}

.product-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}

.product-badges {
    position: absolute;
    top: 12px;
    left: 12px;
    display: flex;
    flex-direction: column;
    gap: 6px;
    z-index: 2;
}

.badge-new,
.badge-best,
.badge-promo {
    padding: 4px 10px;
    border-radius: 50px;
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.badge-new {
    background-color: var(--primary);
    color: var(--white);
}

.badge-best {
    background-color: var(--gold);
    color: var(--dark);
}

.badge-promo {
    background-color: var(--danger);
    color: var(--white);
}

.wishlist-btn {
    position: absolute;
    top: 12px;
    right: 12px;
    width: 36px;
    height: 36px;
    background-color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    color: var(--gray-500);
    box-shadow: var(--shadow-sm);
    z-index: 2;
    transition: var(--transition);
}

.wishlist-btn:hover {
    color: var(--danger);
    transform: scale(1.1);
}

.wishlist-btn.active {
    color: var(--danger);
}

.product-image {
    padding: 32px 24px;
    background: linear-gradient(135deg, var(--cream) 0%, #F5EBD9 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 240px;
    position: relative;
}

/* Book Covers */
.book-cover {
    width: 140px;
    height: 200px;
    border-radius: 4px;
    padding: 16px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    box-shadow: 
        0 10px 20px rgba(0,0,0,0.15),
        inset -4px 0 0 rgba(0,0,0,0.1);
    transition: var(--transition);
    position: relative;
    color: var(--white);
    font-family: 'Playfair Display', serif;
}

.product-card:hover .book-cover {
    transform: translateY(-4px) rotate(-2deg);
}

.book-title {
    font-size: 14px;
    font-weight: 700;
    line-height: 1.2;
    text-shadow: 0 1px 2px rgba(0,0,0,0.2);
}

.book-year {
    font-size: 10px;
    font-family: 'Inter', sans-serif;
    text-transform: uppercase;
    letter-spacing: 1px;
    opacity: 0.9;
}

.cover-1 {
    background: linear-gradient(135deg, #8B1538 0%, #4A0A1C 100%);
}

.cover-2 {
    background: linear-gradient(135deg, #D4A574 0%, #8B6F47 100%);
}

.cover-3 {
    background: linear-gradient(135deg, #1E3A5F 0%, #0D1B2A 100%);
}

.cover-4 {
    background: linear-gradient(135deg, #C9A961 0%, #8B7332 100%);
}

.cover-5 {
    background: linear-gradient(135deg, #2D4A3E 0%, #1A2E24 100%);
}

.cover-6 {
    background: linear-gradient(135deg, #6B3410 0%, #3D1E08 100%);
}

.cover-7 {
    background: linear-gradient(135deg, #4A3B7C 0%, #2D2450 100%);
}

.cover-8 {
    background: linear-gradient(135deg, #A8294F 0%, #6B0F2A 100%);
}

/* Product Info */
.product-info {
    padding: 20px;
}

.product-category {
    font-size: 11px;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 600;
    margin-bottom: 6px;
}

.product-title {
    font-family: 'Inter', sans-serif;
    font-size: 15px;
    font-weight: 600;
    color: var(--dark);
    margin-bottom: 10px;
    line-height: 1.4;
    min-height: 42px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.product-rating {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 12px;
}

.stars {
    color: var(--gold);
    font-size: 14px;
}

.rating-count {
    font-size: 12px;
    color: var(--gray-500);
}

.product-price {
    display: flex;
    align-items: baseline;
    gap: 8px;
    margin-bottom: 16px;
}

.current-price {
    font-family: 'Playfair Display', serif;
    font-size: 22px;
    font-weight: 700;
    color: var(--primary);
}

.old-price {
    font-size: 14px;
    color: var(--gray-500);
    text-decoration: line-through;
}

.price-period {
    font-size: 13px;
    color: var(--gray-600);
}

.btn-add-cart {
    width: 100%;
    padding: 10px;
    background-color: var(--dark);
    color: var(--white);
    border-radius: 50px;
    font-size: 13px;
    font-weight: 600;
    transition: var(--transition);
}

.btn-add-cart:hover {
    background-color: var(--primary);
}

/* Cart Sidebar */
.cart-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 998;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

.cart-overlay.active {
    opacity: 1;
    visibility: visible;
}

.cart-sidebar {
    position: fixed;
    top: 0;
    right: -420px;
    width: 420px;
    max-width: 100%;
    height: 100vh;
    background-color: var(--white);
    z-index: 999;
    transition: right 0.4s ease;
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-lg);
}

.cart-sidebar.active {
    right: 0;
}

.cart-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--gray-200);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.cart-header h3 {
    font-family: 'Inter', sans-serif;
    font-size: 18px;
    font-weight: 600;
}

.cart-count {
    color: var(--gray-500);
    font-weight: 400;
}

.cart-close {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background-color: var(--gray-100);
    font-size: 16px;
    color: var(--gray-700);
    transition: var(--transition);
}

.cart-close:hover {
    background-color: var(--gray-200);
}

.cart-items {
    flex: 1;
    overflow-y: auto;
    padding: 16px 24px;
}

.cart-item {
    display: grid;
    grid-template-columns: 70px 1fr auto;
    gap: 12px;
    padding: 16px 0;
    border-bottom: 1px solid var(--gray-200);
}

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

.cart-item-image {
    width: 70px;
    height: 90px;
}

.mini-cover {
    width: 100%;
    height: 100%;
    border-radius: 4px;
    box-shadow: var(--shadow-sm);
}

.cart-item-info h4 {
    font-family: 'Inter', sans-serif;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 6px;
    line-height: 1.3;
}

.cart-item-price {
    font-size: 15px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 10px;
}

.cart-item-qty {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background-color: var(--gray-100);
    border-radius: 50px;
    padding: 4px;
}

.qty-btn {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background-color: var(--white);
    font-size: 14px;
    font-weight: 600;
    color: var(--gray-700);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

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

.cart-item-qty span {
    font-size: 13px;
    font-weight: 600;
    min-width: 20px;
    text-align: center;
}

.cart-item-remove {
    font-size: 16px;
    color: var(--gray-400);
    transition: var(--transition);
    align-self: flex-start;
}

.cart-item-remove:hover {
    color: var(--danger);
}

.cart-footer {
    padding: 20px 24px;
    border-top: 1px solid var(--gray-200);
    background-color: var(--gray-50);
}

.cart-subtotal,
.cart-shipping,
.cart-total {
    display: flex;
    justify-content: space-between;
    margin-bottom: 10px;
    font-size: 14px;
}

.cart-total {
    font-size: 18px;
    font-weight: 700;
    padding-top: 12px;
    border-top: 1px solid var(--gray-200);
    margin-bottom: 20px;
    color: var(--dark);
}

.cart-shipping .free {
    color: var(--success);
    font-weight: 600;
}

.cart-footer .btn {
    margin-bottom: 12px;
}

.continue-shopping {
    display: block;
    text-align: center;
    font-size: 13px;
    color: var(--gray-600);
    padding: 8px;
}

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