/* Variables */
:root {
    --primary-color: #3498db;
    --primary-hover: #2980b9;
    --secondary-color: #2c3e50;
    --accent-color: #e74c3c;
    --success-color: #2ecc71;
    --warning-color: #f39c12;
    --light-gray: #f8f9fa;
    --medium-gray: #ecf0f1;
    --dark-gray: #95a5a6;
    --text-color: #333;
    --border-color: #ddd;
    --border-radius: 8px;
    --box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

/* Estructura principal */
.product-detail-section {
    padding: 40px 0;
    background-color: #fff;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

/* Breadcrumb */
.main-breadcrumb {
    padding: 15px 0;
    margin-bottom: 30px;
    background-color: var(--light-gray);
    border-radius: var(--border-radius);
}

.main-breadcrumb .breadcrumb {
    background: transparent;
    padding: 0 15px;
    margin: 0;
}

.main-breadcrumb .breadcrumb-item a {
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition);
}

.main-breadcrumb .breadcrumb-item a:hover {
    color: var(--primary-hover);
    text-decoration: underline;
}

.main-breadcrumb .breadcrumb-item.active {
    color: var(--dark-gray);
}

/* Contenedor principal del producto */
.product-detail-container {
    display: flex;
    flex-wrap: wrap;
    margin-bottom: 50px;
}

.product-gallery-col {
    flex: 0 0 50%;
    max-width: 50%;
    padding: 0 15px;
}

.product-details-col {
    flex: 0 0 50%;
    max-width: 50%;
    padding: 0 15px;
}

/* Galería de imágenes */
.product-gallery {
    margin-bottom: 30px;
}

.product-main-image {
    margin-bottom: 15px;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    overflow: hidden;
    background: #fff;
    padding: 20px;
    text-align: center;
    box-shadow: var(--box-shadow);
}

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

.product-thumbnails {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.thumbnail {
    width: 70px;
    height: 70px;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 5px;
    cursor: pointer;
    transition: var(--transition);
    background: #fff;
    overflow: hidden;
}

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

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

.thumbnail.active::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 0;
    border-left: 5px solid transparent;
    border-right: 5px solid transparent;
    border-top: 5px solid var(--primary-color);
}

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

/* Detalles del producto */
.product-details {
    padding: 20px;
    background: #fff;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

.product-title {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 15px;
    color: var(--secondary-color);
    line-height: 1.3;
}

.product-meta {
    margin-bottom: 20px;
    font-size: 14px;
    color: var(--dark-gray);
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
}

.product-meta > div {
    display: flex;
    align-items: center;
    gap: 5px;
}

.product-meta i {
    color: var(--primary-color);
}

.product-meta a {
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition);
}

.product-meta a:hover {
    text-decoration: underline;
}

.product-rating {
    display: flex;
    align-items: center;
    gap: 5px;
}

.product-rating .stars {
    color: var(--warning-color);
}

.review-link {
    color: var(--primary-color);
    font-size: 13px;
    text-decoration: none;
}

.review-link:hover {
    text-decoration: underline;
}

/* Precio */
.product-price-container {
    margin: 25px 0;
    padding: 15px 0;
    border-top: 1px solid var(--medium-gray);
    border-bottom: 1px solid var(--medium-gray);
}

.current-price {
    font-size: 28px;
    font-weight: 700;
    color: var(--accent-color);
}

.original-price {
    font-size: 18px;
    color: var(--dark-gray);
    text-decoration: line-through;
    margin-left: 10px;
}

.discount-badge {
    display: inline-block;
    background: var(--accent-color);
    color: white;
    padding: 3px 10px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 600;
    margin-left: 10px;
}

/* Descripción */
.product-description {
    margin: 20px 0;
    line-height: 1.8;
    color: var(--text-color);
}

/* Selector de cantidad */
.quantity-selector {
    display: flex;
    align-items: center;
    margin-bottom: 20px;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    overflow: hidden;
    width: fit-content;
}

.quantity-btn {
    width: 40px;
    height: 40px;
    background: var(--light-gray);
    border: none;
    font-size: 14px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--secondary-color);
    transition: var(--transition);
}

.quantity-btn:hover {
    background: var(--medium-gray);
}

.quantity-input {
    width: 50px;
    height: 40px;
    text-align: center;
    border: none;
    border-left: 1px solid var(--border-color);
    border-right: 1px solid var(--border-color);
    font-size: 16px;
    font-weight: 600;
    -moz-appearance: textfield;
}

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

/* Botones de acción */
.product-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 25px;
}

.btn-primary {
    background: var(--primary-color);
    color: white;
    border: none;
    padding: 12px 25px;
    border-radius: var(--border-radius);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 8px;
}

.btn-primary:hover {
    background: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 10px rgba(52, 152, 219, 0.3);
}

.btn-wishlist {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    background: var(--light-gray);
    color: var(--secondary-color);
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
}

.btn-wishlist:hover {
    background: var(--medium-gray);
    color: var(--accent-color);
}

/* Compartir en redes */
.product-share {
    margin: 25px 0;
    display: flex;
    align-items: center;
    gap: 15px;
    flex-wrap: wrap;
}

.share-label {
    font-weight: 600;
    color: var(--secondary-color);
}

.social-share-buttons {
    display: flex;
    gap: 8px;
}

.social-share {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    color: white;
    font-size: 16px;
    transition: var(--transition);
}

.social-share.facebook {
    background: #3b5998;
}

.social-share.twitter {
    background: #1da1f2;
}

.social-share.pinterest {
    background: #bd081c;
}

.social-share.whatsapp {
    background: #25d366;
}

.social-share:hover {
    transform: translateY(-3px);
    opacity: 0.9;
}

/* Características del producto */
.product-features {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    margin-top: 25px;
    padding-top: 20px;
    border-top: 1px solid var(--medium-gray);
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: var(--secondary-color);
}

.feature-item i {
    color: var(--primary-color);
    font-size: 18px;
}

/* Tabs del producto */
.product-tabs-container {
    margin: 50px 0;
    background: #fff;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    overflow: hidden;
}

.product-tabs-nav {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    border-bottom: 2px solid var(--medium-gray);
}

.product-tabs-nav li {
    margin: 0;
}

.product-tabs-nav li a {
    display: block;
    padding: 15px 25px;
    color: var(--dark-gray);
    font-weight: 600;
    text-decoration: none;
    border-bottom: 2px solid transparent;
    transition: var(--transition);
}

.product-tabs-nav li.active a,
.product-tabs-nav li a:hover {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}

.product-tabs-content {
    padding: 30px;
}

.tab-pane {
    display: none;
}

.tab-pane.active {
    display: block;
}

/* Descripción completa */
.product-full-description {
    line-height: 1.8;
    color: var(--text-color);
}

/* Especificaciones */
.specs-table {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 15px;
}

.spec-row {
    display: flex;
    border-bottom: 1px solid var(--medium-gray);
    padding: 10px 0;
}

.spec-name {
    font-weight: 600;
    color: var(--secondary-color);
    min-width: 150px;
}

.spec-value {
    color: var(--text-color);
    flex: 1;
}

.no-specs {
    color: var(--dark-gray);
    text-align: center;
    padding: 20px;
    background: var(--light-gray);
    border-radius: var(--border-radius);
}

/* Reseñas */
.reviews-summary {
    display: flex;
    gap: 30px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.average-rating {
    text-align: center;
    padding: 20px;
    background: var(--light-gray);
    border-radius: var(--border-radius);
    min-width: 180px;
}

.avg-rating-value {
    font-size: 36px;
    font-weight: 700;
    color: var(--secondary-color);
    line-height: 1;
    margin-bottom: 10px;
}

.avg-rating-stars {
    color: var(--warning-color);
    font-size: 18px;
    margin-bottom: 5px;
}

.avg-rating-text {
    font-size: 14px;
    color: var(--dark-gray);
}

.rating-distribution {
    flex: 1;
    min-width: 250px;
}

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

.star-count {
    width: 50px;
    color: var(--secondary-color);
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 5px;
}

.star-count i {
    color: var(--warning-color);
}

.bar-container {
    flex: 1;
    height: 8px;
    background: var(--medium-gray);
    margin: 0 15px;
    border-radius: 4px;
    overflow: hidden;
}

.bar {
    height: 100%;
    background: var(--warning-color);
}

.percentage {
    width: 40px;
    text-align: right;
    color: var(--dark-gray);
    font-size: 14px;
}

/* Formulario de reseña */
.reviews-form {
    margin-bottom: 40px;
    padding: 25px;
    background: var(--light-gray);
    border-radius: var(--border-radius);
}

.reviews-form h3 {
    margin-top: 0;
    margin-bottom: 20px;
    color: var(--secondary-color);
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--secondary-color);
}

.form-control {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 14px;
    transition: var(--transition);
}

.form-control:focus {
    border-color: var(--primary-color);
    outline: none;
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.2);
}

textarea.form-control {
    min-height: 120px;
    resize: vertical;
}

.rating-input {
    display: flex;
    gap: 5px;
    margin: 10px 0;
}

.rating-input i {
    color: var(--warning-color);
    cursor: pointer;
    font-size: 20px;
    transition: var(--transition);
}

.btn-submit-review {
    background: var(--primary-color);
    color: white;
    border: none;
    padding: 12px 25px;
    border-radius: var(--border-radius);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.btn-submit-review:hover {
    background: var(--primary-hover);
    transform: translateY(-2px);
}

/* Lista de reseñas */
.reviews-list h3 {
    margin-bottom: 20px;
    color: var(--secondary-color);
    padding-bottom: 10px;
    border-bottom: 1px solid var(--medium-gray);
}

.review-item {
    padding: 20px 0;
    border-bottom: 1px solid var(--medium-gray);
}

.review-header {
    display: flex;
    align-items: center;
    margin-bottom: 10px;
    flex-wrap: wrap;
    gap: 15px;
}

.review-author {
    font-weight: 600;
    color: var(--secondary-color);
}

.review-rating {
    color: var(--warning-color);
}

.review-date {
    color: var(--dark-gray);
    font-size: 13px;
}

.review-content {
    line-height: 1.6;
    color: var(--text-color);
}

.no-reviews {
    padding: 30px;
    text-align: center;
    color: var(--dark-gray);
    background: var(--light-gray);
    border-radius: var(--border-radius);
}

.no-reviews i {
    font-size: 40px;
    margin-bottom: 15px;
    color: var(--medium-gray);
}

.no-reviews p {
    margin: 0;
    font-size: 16px;
}

/* Productos relacionados */
.related-products-section {
    margin-top: 50px;
}

.section-title {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 30px;
    color: var(--secondary-color);
    position: relative;
    padding-bottom: 10px;
}

.section-title::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 60px;
    height: 3px;
    background: var(--primary-color);
}

.related-products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 20px;
}

.related-product-item {
    background: #fff;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
    position: relative;
}

.related-product-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
}

.product-badge {
    position: absolute;
    top: 10px;
    left: 10px;
    z-index: 2;
}

.badge-discount {
    background: var(--accent-color);
    color: white;
    padding: 4px 10px;
    border-radius: 3px;
    font-size: 12px;
    font-weight: 600;
}

.product-image {
    position: relative;
    padding: 15px;
    text-align: center;
    border-bottom: 1px solid var(--medium-gray);
}

.product-image img {
    max-width: 100%;
    height: 180px;
    object-fit: contain;
    transition: var(--transition);
}

.related-product-item:hover .product-image img {
    transform: scale(1.05);
}

.product-actions {
    position: absolute;
    top: 10px;
    right: 10px;
    display: flex;
    flex-direction: column;
    gap: 5px;
    opacity: 0;
    transform: translateY(10px);
    transition: var(--transition);
}

.related-product-item:hover .product-actions {
    opacity: 1;
    transform: translateY(0);
}

.product-actions button {
    width: 35px;
    height: 35px;
    border-radius: 50%;
    background: white;
    border: none;
    color: var(--secondary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

.product-actions button:hover {
    background: var(--primary-color);
    color: white;
    transform: scale(1.1);
}

.product-info {
    padding: 15px;
}

.product-info .product-title {
    font-size: 16px;
    margin-bottom: 10px;
    height: 40px;
    overflow: hidden;
}

.product-info .product-title a {
    color: var(--secondary-color);
    text-decoration: none;
    transition: var(--transition);
}

.product-info .product-title a:hover {
    color: var(--primary-color);
}

.product-price {
    margin: 10px 0;
}

.product-price .current-price {
    font-size: 18px;
    color: var(--accent-color);
}

.product-price .original-price {
    font-size: 14px;
    color: var(--dark-gray);
    text-decoration: line-through;
    margin-left: 5px;
}

.product-info .btn-add-to-cart {
    width: 100%;
    padding: 8px;
    font-size: 14px;
    justify-content: center;
}

/* Responsive */
@media (max-width: 992px) {
    .product-gallery-col,
    .product-details-col {
        flex: 0 0 100%;
        max-width: 100%;
    }
    
    .product-gallery-col {
        margin-bottom: 30px;
    }
    
    .specs-table {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .product-main-image {
        padding: 10px;
    }
    
    .product-thumbnails {
        justify-content: center;
    }
    
    .product-tabs-nav {
        flex-direction: column;
    }
    
    .product-tabs-nav li a {
        border-bottom: none;
        border-left: 3px solid transparent;
    }
    
    .product-tabs-nav li.active a {
        border-left-color: var(--primary-color);
    }
    
    .reviews-summary {
        flex-direction: column;
    }
    
    .rating-distribution {
        width: 100%;
    }
}

@media (max-width: 576px) {
    .product-title {
        font-size: 24px;
    }
    
    .current-price {
        font-size: 24px;
    }
    
    .product-actions {
        flex-direction: row;
        top: auto;
        bottom: 15px;
        right: 15px;
    }
    
    .related-products-grid {
        grid-template-columns: 1fr;
    }
}