/* ==============================
   Product Page Styles
   ============================== */

/* Breadcrumb */
.breadcrumb {
    background: var(--light-color);
    padding: 15px 0;
    font-size: 14px;
}

.breadcrumb .container {
    display: flex;
    align-items: center;
    gap: 10px;
}

.breadcrumb a {
    color: var(--gray);
    transition: var(--transition);
}

.breadcrumb a:hover {
    color: var(--primary-color);
}

.breadcrumb i {
    color: var(--gray);
    font-size: 12px;
}

.breadcrumb span {
    color: var(--dark-color);
    font-weight: 500;
}

/* Product Detail Section */
.product-detail-section {
    padding: 60px 0;
}

.product-detail-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 40px;
}

/* Product Images */
.product-images {
    position: sticky;
    top: 100px;
    height: fit-content;
}

.main-image {
    position: relative;
    width: 100%;
    height: 500px;
    background: var(--light-color);
    border-radius: var(--border-radius);
    overflow: hidden;
    margin-bottom: 20px;
}

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

.product-badge-detail {
    position: absolute;
    top: 20px;
    right: 20px;
    background: var(--success-color);
    color: var(--white);
    padding: 8px 16px;
    border-radius: var(--border-radius);
    font-size: 14px;
    font-weight: 600;
    text-transform: uppercase;
}

.thumbnail-images {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 10px;
}

.thumbnail {
    width: 100%;
    height: 100px;
    object-fit: cover;
    border-radius: var(--border-radius);
    cursor: pointer;
    border: 2px solid transparent;
    transition: var(--transition);
}

.thumbnail:hover,
.thumbnail.active {
    border-color: var(--primary-color);
    transform: scale(1.05);
}

/* Product Info Detail */
.product-info-detail h1 {
    font-size: 32px;
    font-weight: 700;
    color: var(--dark-color);
    margin-bottom: 15px;
}

.product-rating {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 20px;
}

.stars {
    color: #ffc107;
    font-size: 18px;
}

.product-rating span {
    color: var(--gray);
    font-size: 14px;
}

.product-price-detail {
    margin-bottom: 30px;
}

.current-price {
    font-size: 36px;
    font-weight: 700;
    color: var(--primary-color);
    display: block;
    margin-bottom: 5px;
}

.installment {
    font-size: 16px;
    color: var(--gray);
}

.product-description {
    margin-bottom: 30px;
    padding: 20px;
    background: var(--light-color);
    border-radius: var(--border-radius);
}

.product-description h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 15px;
    color: var(--dark-color);
}

.product-description p {
    color: var(--gray);
    line-height: 1.8;
    margin-bottom: 20px;
}

.product-features {
    list-style: none;
}

.product-features li {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 0;
    color: var(--dark-color);
    font-weight: 500;
}

.product-features i {
    color: var(--success-color);
    font-size: 18px;
}

/* Product Variants */
.product-variants {
    margin-bottom: 30px;
}

.product-variants h4 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 15px;
    color: var(--dark-color);
}

.variant-options {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.variant-btn {
    padding: 10px 20px;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    background: var(--white);
    color: var(--dark-color);
    font-weight: 500;
    transition: var(--transition);
    cursor: pointer;
}

.variant-btn:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.variant-btn.active {
    border-color: var(--primary-color);
    background: var(--primary-color);
    color: var(--white);
}

/* Product Quantity */
.product-quantity {
    margin-bottom: 30px;
}

.product-quantity h4 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 15px;
    color: var(--dark-color);
}

.quantity-input {
    display: inline-flex;
    align-items: center;
    gap: 15px;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 10px 20px;
    background: var(--white);
}

.minus-btn,
.plus-btn {
    width: 35px;
    height: 35px;
    border-radius: 50%;
    background: var(--light-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    color: var(--dark-color);
    transition: var(--transition);
    cursor: pointer;
}

.minus-btn:hover,
.plus-btn:hover {
    background: var(--primary-color);
    color: var(--white);
}

.quantity-value {
    font-size: 18px;
    font-weight: 600;
    min-width: 40px;
    text-align: center;
    color: var(--dark-color);
}

/* Product Actions */
.product-actions {
    display: flex;
    flex-direction: column;
    gap: 15px;
    margin-bottom: 30px;
}

.add-to-cart-btn,
.buy-now-btn {
    width: 100%;
    padding: 16px 32px;
    border-radius: var(--border-radius);
    font-size: 16px;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    transition: var(--transition);
    cursor: pointer;
}

.add-to-cart-btn {
    background: linear-gradient(135deg, var(--primary-color), #ff8c5a);
    color: var(--white);
    border: none;
}

.add-to-cart-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(255, 107, 53, 0.4);
}

.buy-now-btn {
    background: var(--white);
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

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

/* Product Guarantees */
.product-guarantees {
    display: grid;
    grid-template-columns: 1fr;
    gap: 15px;
}

.guarantee-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 15px;
    background: var(--light-color);
    border-radius: var(--border-radius);
}

.guarantee-item i {
    font-size: 24px;
    color: var(--primary-color);
}

.guarantee-item span {
    font-weight: 500;
    color: var(--dark-color);
}

/* Related Products */
.related-products-section {
    padding: 60px 0;
    background: var(--light-color);
}

/* Responsive Design */
@media (min-width: 768px) {
    .product-detail-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .product-actions {
        flex-direction: row;
    }
    
    .add-to-cart-btn,
    .buy-now-btn {
        width: auto;
        flex: 1;
    }
    
    .product-guarantees {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (min-width: 1024px) {
    .product-detail-grid {
        grid-template-columns: 1.2fr 1fr;
    }
}

@media (max-width: 767px) {
    .product-info-detail h1 {
        font-size: 24px;
    }
    
    .current-price {
        font-size: 28px;
    }
    
    .main-image {
        height: 350px;
    }
    
    .thumbnail-images {
        grid-template-columns: repeat(4, 1fr);
    }
}