/* 
 * Estilos para la página de Detalle del Producto
 * Sistema POS y E-commerce - Pastelería
 */

/* Sección de detalle del producto */
.product-detail-section {
    padding: 2rem 0 4rem;
    background: var(--bg-color);
}

.product-detail {
    background: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    padding: 2rem;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

/* Galería de imágenes */
.product-gallery {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.main-image {
    position: relative;
    border-radius: var(--border-radius);
    overflow: hidden;
    background: var(--bg-color);
}

.main-image img {
    width: 100%;
    height: 400px;
    object-fit: cover;
    transition: var(--transition);
}

.main-image:hover img {
    transform: scale(1.05);
}

.discount-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: var(--accent-color);
    color: var(--text-white);
    padding: 0.5rem 1rem;
    border-radius: 25px;
    font-size: 0.875rem;
    font-weight: bold;
    z-index: 2;
}

/* Galería de miniaturas */
.thumbnail-gallery {
    display: flex;
    gap: 0.5rem;
    overflow-x: auto;
    padding: 0.5rem 0;
}

.thumbnail {
    flex-shrink: 0;
    width: 80px;
    height: 80px;
    border-radius: var(--border-radius);
    overflow: hidden;
    cursor: pointer;
    border: 2px solid transparent;
    transition: var(--transition);
}

.thumbnail.active {
    border-color: var(--primary-color);
}

.thumbnail:hover {
    border-color: var(--primary-dark);
}

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

/* Información del producto */
.product-info {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.product-header {
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 1rem;
}

.product-category {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--bg-color);
    color: var(--primary-color);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 1rem;
}

.product-name {
    font-size: 2rem;
    color: var(--secondary-color);
    margin: 0;
    line-height: 1.2;
}

/* Sección de precios */
.product-price-section {
    background: var(--bg-color);
    padding: 1.5rem;
    border-radius: var(--border-radius);
}

.main-price {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.price-original {
    font-size: 1.25rem;
    color: var(--text-light);
    text-decoration: line-through;
}

.price-current {
    font-size: 2rem;
    font-weight: bold;
    color: var(--primary-color);
}

.savings {
    background: var(--accent-color);
    color: var(--text-white);
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 500;
}

/* Oferta por grupo */
.group-offer {
    border-top: 1px solid var(--border-color);
    padding-top: 1rem;
}

.group-offer-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--primary-color);
    color: var(--text-white);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 0.75rem;
}

.group-price {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
}

.group-quantity {
    font-size: 1.125rem;
    color: var(--text-color);
    font-weight: 500;
}

.group-total {
    font-size: 1.5rem;
    color: var(--primary-color);
    font-weight: bold;
}

.group-savings {
    color: var(--accent-color);
    font-size: 0.875rem;
    font-weight: 500;
}

/* Descripción */
.product-description h3 {
    color: var(--secondary-color);
    margin-bottom: 0.75rem;
    font-size: 1.25rem;
}

.product-description p {
    color: var(--text-color);
    line-height: 1.7;
    margin: 0;
}

/* Características */
.product-features h3 {
    color: var(--secondary-color);
    margin-bottom: 0.75rem;
    font-size: 1.25rem;
}

.features-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.features-list li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.5rem 0;
    color: var(--text-color);
}

.features-list li i {
    color: var(--primary-color);
    font-size: 0.875rem;
}

/* Sección de acciones */
.product-actions-section {
    background: var(--bg-color);
    padding: 1.5rem;
    border-radius: var(--border-radius);
    border: 2px solid var(--primary-color);
}

.quantity-selector {
    margin-bottom: 1.5rem;
}

.quantity-selector label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--text-color);
}

.quantity-controls {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    max-width: 190px;
}

.qty-btn {
    background: var(--primary-color);
    color: var(--text-white);
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    font-size: 1.25rem;
    font-weight: bold;
    cursor: pointer;
    transition: var(--transition);
}

.qty-btn:hover {
    background: var(--primary-dark);
    transform: scale(1.05);
}

#quantity {
    flex: 1;
    text-align: center;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 0.75rem;
    font-size: 1rem;
    font-weight: 500;
}

#quantity:focus {
    outline: none;
    border-color: var(--primary-color);
}

/* Botones de acción */
.action-buttons {
    display: flex;
    gap: 1rem;
}

.btn-add-cart {
    flex: 2;
    font-size: 1.125rem;
    padding: 1rem 1.5rem;
}

.btn-whatsapp {
    flex: 1;
    background: #25D366;
    border-color: #25D366;
}

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

/* Información adicional */
.additional-info {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    padding: 1.5rem;
    background: var(--bg-color);
    border-radius: var(--border-radius);
}

.info-item {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.info-item i {
    font-size: 1.25rem;
    color: var(--primary-color);
    width: 24px;
    text-align: center;
}

.info-item div {
    flex: 1;
}

.info-item strong {
    display: block;
    color: var(--text-color);
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.info-item span {
    color: var(--text-light);
    font-size: 0.875rem;
}

/* Productos relacionados */
.related-products-section {
    padding: 3rem 0;
    background: var(--white);
}

.related-products-section .section-title {
    text-align: center;
    margin-bottom: 2rem;
    color: var(--secondary-color);
}

.related-products-section .products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.related-products-section .product-card {
    background: var(--white);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    overflow: hidden;
    transition: var(--transition);
}

.related-products-section .product-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
    border-color: var(--primary-color);
}

.related-products-section .product-image {
    height: 200px;
    overflow: hidden;
    position: relative;
}

.related-products-section .product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.related-products-section .product-card:hover .product-image img {
    transform: scale(1.1);
}

.related-products-section .product-info {
    padding: 1rem;
}

.related-products-section .product-name a {
    color: var(--secondary-color);
    text-decoration: none;
    font-size: 1rem;
    font-weight: 500;
    transition: var(--transition);
}

.related-products-section .product-name a:hover {
    color: var(--primary-color);
}

.related-products-section .product-price {
    margin: 0.75rem 0;
}

.related-products-section .product-actions {
    display: flex;
    gap: 0.5rem;
}

.related-products-section .product-actions .btn {
    flex: 1;
    font-size: 0.875rem;
    padding: 0.5rem;
}

/* Responsive */
@media (max-width: 1024px) {
    .product-detail {
        grid-template-columns: 1fr;
        gap: 2rem;
        padding: 1.5rem;
    }
    
    .main-image img {
        height: 350px;
    }
    
    .action-buttons {
        flex-direction: column;
    }
    
    .btn-add-cart,
    .btn-whatsapp {
        flex: none;
    }
}

@media (max-width: 768px) {
    .product-detail {
        padding: 1rem;
        gap: 1.5rem;
    }
    
    .product-name {
        font-size: 1.5rem;
    }
    
    .main-image img {
        height: 300px;
    }
    
    .main-price {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }
    
    .price-current {
        font-size: 1.75rem;
    }
    
    .additional-info {
        padding: 1rem;
    }
    
    .info-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
        text-align: left;
    }
    
    .related-products-section .products-grid {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
        gap: 1rem;
    }
}

@media (max-width: 480px) {
    .product-detail {
        padding: 0.75rem;
        border-radius: 0;
        margin: 0;
    }
    
    .product-name {
        font-size: 1.25rem;
    }
    
    .main-image img {
        height: 250px;
    }
    
    .thumbnail {
        width: 60px;
        height: 60px;
    }
    
    .product-price-section,
    .product-actions-section {
        padding: 1rem;
    }
    
    .price-current {
        font-size: 1.5rem;
    }
    
    .quantity-controls {
        max-width: 160px;
    }
    
    .qty-btn {
        width: 35px;
        height: 35px;
        font-size: 1rem;
    }
    
    .btn-add-cart,
    .btn-whatsapp {
        padding: 0.75rem 1rem;
        font-size: 1rem;
    }
    
    .related-products-section .products-grid {
        grid-template-columns: 1fr;
    }
    
    .related-products-section .product-actions {
        flex-direction: column;
    }
}

/* Estados especiales */
.product-detail.loading {
    opacity: 0.7;
    pointer-events: none;
}

.quantity-controls.disabled {
    opacity: 0.5;
    pointer-events: none;
}

.btn-add-cart:disabled {
    background: var(--text-light);
    cursor: not-allowed;
}

.btn-add-cart.loading {
    position: relative;
    color: transparent;
}

.btn-add-cart.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 20px;
    height: 20px;
    border: 2px solid var(--text-white);
    border-top: 2px solid transparent;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: translate(-50%, -50%) rotate(0deg); }
    100% { transform: translate(-50%, -50%) rotate(360deg); }
}

/* Animaciones */
.product-detail {
    animation: fadeInUp 0.6s ease forwards;
}

.product-gallery {
    animation: slideInFromLeft 0.6s ease forwards;
}

.product-info {
    animation: slideInFromRight 0.6s ease forwards;
}

@keyframes slideInFromLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInFromRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}