/* ========================================
   PRODUCT DETAIL PAGE STYLES
   ======================================== */

.product-detail {
    padding: var(--spacing-8) 0;
    background: var(--white);
}

.product-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-8);
}

@media (min-width: 768px) {
    .product-grid {
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-12);
    }
}

/* Gallery */
.product-gallery {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-4);
}

.main-image {
    aspect-ratio: 1;
    background: var(--gray-100);
    border-radius: var(--radius-xl);
    overflow: hidden;
}

.main-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.thumbnail-list,
.gallery-thumbs {
    display: flex;
    gap: var(--spacing-2);
    overflow-x: auto;
    padding-bottom: var(--spacing-2);
    margin-top: var(--spacing-3);
}

.thumbnail-list img,
.gallery-thumbs img {
    width: 80px;
    height: 80px;
    min-width: 80px;
    object-fit: cover;
    border-radius: var(--radius-md);
    cursor: pointer;
    border: 2px solid transparent;
    transition: border-color var(--transition-fast);
    background: var(--gray-100);
}

.thumbnail-list img:hover,
.thumbnail-list img.active,
.gallery-thumbs img:hover,
.gallery-thumbs img.active {
    border-color: var(--primary);
}

/* Product Info */
.product-info-detail {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-4);
}

.product-category-badge {
    display: inline-block;
    background: var(--primary-light);
    color: var(--primary);
    padding: var(--spacing-1) var(--spacing-3);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: 600;
    width: fit-content;
}

.product-info-detail h1 {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--gray-800);
    line-height: 1.3;
}

@media (min-width: 768px) {
    .product-info-detail h1 {
        font-size: var(--font-size-3xl);
    }
}

.product-meta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-4);
    font-size: var(--font-size-sm);
}

.product-meta .sku {
    color: var(--gray-500);
}

.product-meta .stock {
    font-weight: 600;
}

.product-meta .stock.in-stock {
    color: var(--success);
}

.product-meta .stock.out-stock {
    color: var(--error);
}

.product-rating-detail {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
}

.product-rating-detail .stars {
    color: #FFB800;
    font-size: var(--font-size-lg);
}

.product-rating-detail span {
    color: var(--gray-500);
    font-size: var(--font-size-sm);
}

.product-price-detail {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    padding: var(--spacing-4) 0;
    border-top: 1px solid var(--gray-200);
    border-bottom: 1px solid var(--gray-200);
}

.product-price-detail .price-current {
    font-size: var(--font-size-3xl);
    font-weight: 800;
    color: var(--gray-800);
}

.product-price-detail .price-old {
    font-size: var(--font-size-xl);
    color: var(--gray-400);
    text-decoration: line-through;
}

.product-price-detail .discount-badge {
    background: var(--error);
    color: var(--white);
    padding: var(--spacing-1) var(--spacing-2);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    font-weight: 700;
}

.product-description {
    color: var(--gray-600);
    line-height: 1.7;
}

/* Actions */
.product-actions {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-3);
}

@media (min-width: 480px) {
    .product-actions {
        flex-direction: row;
        align-items: center;
    }
}

.quantity-selector {
    display: flex;
    align-items: center;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-md);
    overflow: hidden;
    width: fit-content;
}

.qty-btn {
    width: 44px;
    height: 44px;
    background: var(--gray-100);
    border: none;
    font-size: var(--font-size-xl);
    cursor: pointer;
    transition: background var(--transition-fast);
}

.qty-btn:hover {
    background: var(--gray-200);
}

.quantity-selector input {
    width: 60px;
    height: 44px;
    text-align: center;
    border: none;
    font-size: var(--font-size-base);
    font-weight: 600;
}

.quantity-selector input::-webkit-outer-spin-button,
.quantity-selector input::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

.add-to-cart-main {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-2);
}

.btn-whatsapp {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-2);
    background: #25D366;
    color: var(--white);
    width: 100%;
}

.btn-whatsapp:hover {
    background: #128C7E;
}

.btn-whatsapp svg {
    width: 20px;
    height: 20px;
}

/* Guarantees */
.product-guarantees {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-2);
    padding: var(--spacing-4);
    background: var(--gray-50);
    border-radius: var(--radius-lg);
    margin-top: var(--spacing-4);
}

.guarantee {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: var(--spacing-1);
    font-size: var(--font-size-xs);
    color: var(--gray-600);
}

.guarantee svg {
    width: 24px;
    height: 24px;
    color: var(--primary);
}

@media (max-width: 480px) {
    .product-guarantees {
        grid-template-columns: 1fr;
    }
    
    .guarantee {
        flex-direction: row;
        justify-content: flex-start;
        text-align: left;
    }
}

/* Features */
.product-features {
    margin-top: var(--spacing-12);
    padding-top: var(--spacing-8);
    border-top: 1px solid var(--gray-200);
}

.product-features h2 {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--gray-800);
    margin-bottom: var(--spacing-6);
}

.features-list {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-3);
}

@media (min-width: 768px) {
    .features-list {
        grid-template-columns: repeat(2, 1fr);
    }
}

.features-list li {
    position: relative;
    padding-left: var(--spacing-6);
    color: var(--gray-600);
    line-height: 1.6;
}

.features-list li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--primary);
    font-weight: 700;
}

/* Related Products */
.related-products {
    padding: var(--spacing-12) 0;
    background: var(--gray-50);
}

.related-products h2 {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--gray-800);
    text-align: center;
    margin-bottom: var(--spacing-8);
}