/* =====================================================
   PRODUCT VIEW - DISEÑO ELITE E-COMMERCE
   Inspirado en Amazon, Shopify, Apple Store
   ===================================================== */

:root {
    --product-primary: #2563eb;
    --product-primary-hover: #1d4ed8;
    --product-success: #53fc1b;
    --product-success-hover: #45d916;
    --product-danger: #ef4444;
    --product-warning: #f59e0b;
    
    --product-text-primary: #111827;
    --product-text-secondary: #6b7280;
    --product-text-tertiary: #9ca3af;
    
    --product-bg-primary: #ffffff;
    --product-bg-secondary: #f9fafb;
    --product-bg-tertiary: #f3f4f6;
    
    --product-border: #e5e7eb;
    --product-border-hover: #d1d5db;
    
    --product-shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --product-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --product-shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --product-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    
    --product-radius-sm: 0.375rem;
    --product-radius: 0.5rem;
    --product-radius-md: 0.75rem;
    --product-radius-lg: 1rem;
    
    --product-spacing-xs: 0.5rem;
    --product-spacing-sm: 0.75rem;
    --product-spacing: 1rem;
    --product-spacing-md: 1.5rem;
    --product-spacing-lg: 2rem;
    --product-spacing-xl: 3rem;
}

/* Dark Mode */
.dark-mode {
    --product-text-primary: #f9fafb;
    --product-text-secondary: #d1d5db;
    --product-text-tertiary: #9ca3af;
    
    --product-bg-primary: #1f2937;
    --product-bg-secondary: #111827;
    --product-bg-tertiary: #0f172a;
    
    --product-border: #374151;
    --product-border-hover: #4b5563;
}

/* =====================================================
   CONTENEDOR PRINCIPAL
   ===================================================== */
.product-view-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0;
}

/* =====================================================
   CARD PRINCIPAL DEL PRODUCTO
   ===================================================== */
.product-main-card {
    background: var(--product-bg-primary);
    border-radius: var(--product-radius-lg);
    box-shadow: var(--product-shadow);
    border: 1px solid var(--product-border);
    overflow: hidden;
    margin-bottom: var(--product-spacing-xl);
}

.product-card-body {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--product-spacing-xl);
    padding: var(--product-spacing-xl);
}

/* =====================================================
   SECCIÓN DE IMAGEN
   ===================================================== */
.product-image-section {
    position: sticky;
    top: var(--product-spacing-lg);
    align-self: start;
}

.product-image-wrapper {
    position: relative;
    width: 100%;
    padding-top: 100%; /* Aspect ratio 1:1 */
    background: var(--product-bg-secondary);
    border-radius: var(--product-radius-md);
    overflow: hidden;
    margin-bottom: var(--product-spacing-md);
}

.product-main-img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

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

/* Badge de descuento sobre imagen */
.product-image-badge {
    position: absolute;
    top: var(--product-spacing-sm);
    right: var(--product-spacing-sm);
    background: var(--product-danger);
    color: white;
    font-weight: 700;
    font-size: 0.875rem;
    padding: 0.5rem 0.75rem;
    border-radius: var(--product-radius);
    z-index: 10;
    box-shadow: var(--product-shadow-md);
}

/* Empresa vendedora */
.company-card {
    background: var(--product-bg-secondary);
    border: 1px solid var(--product-border);
    border-radius: var(--product-radius-md);
    padding: var(--product-spacing-md);
    text-align: center;
    transition: all 0.2s ease;
}

.company-card:hover {
    border-color: var(--product-border-hover);
    box-shadow: var(--product-shadow-sm);
}

.company-label {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--product-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--product-spacing-sm);
}

.company-logo-wrapper {
    margin-bottom: var(--product-spacing-sm);
}

.company-logo {
    width: 72px;
    height: 72px;
    border-radius: var(--product-radius);
    object-fit: cover;
    background: var(--product-bg-tertiary);
    border: 2px solid var(--product-border);
}

.company-name {
    font-size: 1rem;
    font-weight: 600;
    color: var(--product-primary);
    text-decoration: none;
    display: block;
    transition: color 0.2s;
}

.company-name:hover {
    color: var(--product-primary-hover);
}

.company-country {
    margin-top: var(--product-spacing-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--product-spacing-xs);
    padding: var(--product-spacing-xs) var(--product-spacing-sm);
    background: var(--product-bg-tertiary);
    border-radius: var(--product-radius);
    border: 1px solid var(--product-border);
}

.company-flag {
    border-radius: var(--product-radius-sm);
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
    flex-shrink: 0;
}

.company-country-name {
    font-size: 0.8125rem;
    color: var(--product-text-secondary);
    font-weight: 500;
    text-align: center;
}

/* =====================================================
   SECCIÓN DE INFORMACIÓN
   ===================================================== */
.product-info-section {
    display: flex;
    flex-direction: column;
    gap: var(--product-spacing-md);
}

/* Título del producto */
.product-title {
    font-size: 2rem;
    font-weight: 700;
    line-height: 1.2;
    color: var(--product-text-primary);
    margin: 0;
    letter-spacing: -0.02em;
}

/* Rating header */
.product-rating-header {
    display: flex;
    align-items: center;
    gap: var(--product-spacing-sm);
    margin-top: var(--product-spacing-xs);
}

.product-rating-stars {
    display: flex;
    gap: 0.25rem;
    align-items: center;
}

.product-rating-text {
    font-size: 0.875rem;
    color: var(--product-text-secondary);
    margin-left: var(--product-spacing-xs);
}

/* Badges (Categoría y Descuento) */
.product-badges {
    display: flex;
    flex-wrap: wrap;
    gap: var(--product-spacing-xs);
    margin-top: var(--product-spacing-sm);
}

.product-badge {
    display: inline-flex;
    align-items: center;
    font-size: 0.875rem;
    font-weight: 600;
    padding: 0.375rem 0.75rem;
    border-radius: var(--product-radius);
    transition: all 0.2s;
}

.product-badge-category {
    background: rgba(37, 99, 235, 0.1);
    color: var(--product-primary);
    border: 1px solid rgba(37, 99, 235, 0.2);
}

.product-badge-discount {
    background: rgba(239, 68, 68, 0.1);
    color: var(--product-danger);
    border: 1px solid rgba(239, 68, 68, 0.2);
}

/* Precio */
.product-price-section {
    padding: var(--product-spacing-md) 0;
    border-top: 1px solid var(--product-border);
    border-bottom: 1px solid var(--product-border);
}

.product-price {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--product-text-primary, #111827);
    line-height: 1;
    margin: 0;
}

.product-price-currency {
    font-size: 1rem;
    font-weight: 400;
    color: var(--product-text-secondary);
    margin-left: var(--product-spacing-xs);
}

/* Descripción */
.product-description {
    font-size: 1rem;
    line-height: 1.7;
    color: var(--product-text-primary);
    margin: 0;
}

/* Meta información */
.product-meta {
    display: flex;
    gap: var(--product-spacing-sm);
    font-size: 0.875rem;
    color: var(--product-text-secondary);
    padding-top: var(--product-spacing-sm);
    border-top: 1px solid var(--product-border);
}

.product-meta-item {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.product-meta-item::before {
    content: '•';
    margin-right: var(--product-spacing-xs);
}

.product-meta-item:first-child::before {
    display: none;
}

/* Botones sociales */
/* Botón de WhatsApp */
.product-whatsapp-section {
    margin-top: var(--product-spacing-md, 1.5rem);
    padding-top: var(--product-spacing-md, 1.5rem);
    border-top: 1px solid var(--product-border, #e5e7eb);
}

.whatsapp-contact-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--product-spacing-xs, 0.5rem);
    width: 100%;
    padding: var(--product-spacing-sm, 0.75rem) var(--product-spacing-md, 1rem);
    background: #53fc1b;
    color: #000;
    border: none;
    border-radius: var(--product-radius, 0.5rem);
    font-size: 0.9375rem;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 2px 8px rgba(83, 252, 27, 0.3);
}

.whatsapp-contact-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(83, 252, 27, 0.4);
    background: #53fc1b;
}

.whatsapp-contact-btn:active {
    transform: translateY(0);
}

.whatsapp-contact-btn svg {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    filter: drop-shadow(0 1px 2px rgba(0, 0, 0, 0.1));
}

.whatsapp-contact-btn span {
    font-weight: 600;
    letter-spacing: 0.01em;
}

/* Dark mode para WhatsApp */
.dark-mode .product-whatsapp-section {
    border-color: var(--product-border, #374151);
}

.product-social-section {
    padding-top: var(--product-spacing-md);
    border-top: 1px solid var(--product-border);
}

.social-btns {
    display: flex;
    gap: var(--product-spacing);
    flex-wrap: wrap;
}

.social-btn-wrapper {
    display: flex;
    align-items: center;
}

/* =====================================================
   SECCIÓN DE REVIEWS
   ===================================================== */
.reviews-section {
    background: var(--product-bg-primary);
    border-radius: var(--product-radius-lg);
    box-shadow: var(--product-shadow);
    border: 1px solid var(--product-border);
    padding: var(--product-spacing-xl);
    margin-bottom: var(--product-spacing-xl);
}

.reviews-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--product-spacing-xl);
    padding-bottom: var(--product-spacing-md);
    border-bottom: 2px solid var(--product-border);
}

.reviews-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--product-text-primary);
    margin: 0;
}

/* Promedio de calificación destacado */
.product-avg-rating {
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.05) 0%, rgba(16, 185, 129, 0.05) 100%);
    border: 1px solid var(--product-border);
    border-radius: var(--product-radius-md);
    padding: var(--product-spacing-lg);
    text-align: center;
    margin-bottom: var(--product-spacing-xl);
}

.product-avg-rating-label {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--product-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--product-spacing-sm);
}

.product-avg-rating-stars {
    font-size: 2rem;
    margin-bottom: var(--product-spacing-xs);
}

.product-avg-rating-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--product-text-primary);
}

/* Formulario de review */
.review-form {
    background: var(--product-bg-secondary);
    border: 1px solid var(--product-border);
    border-radius: var(--product-radius-md);
    padding: var(--product-spacing-lg);
    margin-bottom: var(--product-spacing-xl);
}

.review-form-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--product-text-primary);
    margin-bottom: var(--product-spacing-md);
}

.review-form-stars {
    text-align: center;
    margin-bottom: var(--product-spacing-md);
}

.review-form-star-label {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--product-success);
    margin-top: var(--product-spacing-xs);
    min-height: 1.25rem;
}

.review-form textarea {
    width: 100%;
    padding: var(--product-spacing-sm);
    border: 1px solid var(--product-border);
    border-radius: var(--product-radius);
    font-size: 0.875rem;
    font-family: inherit;
    resize: vertical;
    background: var(--product-bg-primary);
    color: var(--product-text-primary);
    margin-bottom: var(--product-spacing-md);
    transition: border-color 0.2s;
}

.review-form textarea:focus {
    outline: none;
    border-color: var(--product-primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.review-form button {
    width: 100%;
    background: #53fc1b;
    color: #000;
    border: none;
    padding: var(--product-spacing-sm) var(--product-spacing-md);
    border-radius: var(--product-radius);
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.review-form button:hover {
    background: #53fc1b;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(83, 252, 27, 0.3);
}

.review-form button:active {
    transform: translateY(0);
}

/* Alertas */
.review-alert {
    padding: var(--product-spacing-sm);
    border-radius: var(--product-radius);
    margin-bottom: var(--product-spacing-md);
    font-size: 0.875rem;
}

.review-alert-success {
    background: #d1fae5;
    color: #065f46;
    border: 1px solid #a7f3d0;
}

.review-alert-error {
    background: #fee2e2;
    color: #991b1b;
    border: 1px solid #fecaca;
}

/* Lista de reviews */
.reviews-list {
    margin-top: var(--product-spacing-xl);
}

.reviews-list-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--product-text-primary);
    margin-bottom: var(--product-spacing-md);
}

.review-item {
    background: var(--product-bg-primary);
    border: none;
    border-radius: var(--product-radius-lg);
    padding: var(--product-spacing-lg);
    margin-bottom: var(--product-spacing-lg);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    border-bottom: 1px solid var(--product-border);
    padding-bottom: var(--product-spacing-lg);
}

.review-item:last-child {
    border-bottom: none;
    margin-bottom: 0;
}

.review-item:hover {
    background: var(--product-bg-secondary);
}

.review-header {
    display: flex;
    align-items: flex-start;
    gap: var(--product-spacing-md);
    margin-bottom: var(--product-spacing-md);
    position: relative;
}

.review-avatar {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    object-fit: cover;
    background: linear-gradient(135deg, #f3f4f6 0%, #e5e7eb 100%);
    border: 3px solid var(--product-bg-primary);
    flex-shrink: 0;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.review-item:hover .review-avatar {
    transform: scale(1.05);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.12);
}

.review-user-info {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    text-align: left;
    align-items: flex-start;
}

.review-user {
    font-weight: 600;
    color: var(--product-text-primary);
    font-size: 0.9375rem;
    line-height: 1.4;
    letter-spacing: -0.01em;
    text-align: left;
}

.review-date {
    font-size: 0.8125rem;
    color: var(--product-text-tertiary);
    font-weight: 400;
    text-align: left;
}

.review-menu-button {
    background: none;
    border: none;
    color: var(--product-text-tertiary);
    font-size: 1.125rem;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 50%;
    transition: all 0.2s ease;
    line-height: 1;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0.6;
}

.review-menu-button:hover {
    background: var(--product-bg-tertiary);
    color: var(--product-text-primary);
    opacity: 1;
    transform: rotate(90deg);
}

.review-menu {
    position: absolute;
    top: 2.75rem;
    right: 0;
    background: var(--product-bg-primary);
    border: 1px solid var(--product-border);
    border-radius: var(--product-radius-md);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    z-index: 100;
    min-width: 140px;
    padding: 0.5rem;
    backdrop-filter: blur(10px);
}

.review-menu-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    width: 100%;
    text-align: left;
    padding: var(--product-spacing-sm) var(--product-spacing-md);
    background: none;
    border: none;
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    border-radius: var(--product-radius-sm);
    transition: all 0.2s ease;
}

.review-menu-item:hover {
    background: var(--product-bg-secondary);
    transform: translateX(2px);
}

.review-menu-item-edit {
    color: var(--product-primary);
}

.review-menu-item-edit:hover {
    background: rgba(37, 99, 235, 0.1);
}

.review-menu-item-delete {
    color: var(--product-danger);
}

.review-menu-item-delete:hover {
    background: rgba(239, 68, 68, 0.1);
}

.review-content-wrapper {
    margin-left: calc(56px + var(--product-spacing-md));
    text-align: left;
}

.review-rating {
    margin-bottom: var(--product-spacing-md);
    display: flex;
    align-items: center;
    justify-content: flex-start;
    gap: 0.5rem;
    text-align: left;
}

.review-comment {
    color: var(--product-text-primary);
    font-size: 0.9375rem;
    line-height: 1.7;
    white-space: pre-wrap;
    word-wrap: break-word;
    letter-spacing: -0.01em;
    max-width: 100%;
    text-align: left;
}

/* Estrellas de rating */
.star {
    color: #d1d5db;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.2s ease;
    display: inline-block;
    line-height: 1;
}

.star:hover {
    transform: scale(1.15);
}

.star.selected {
    color: #fbbf24;
    filter: drop-shadow(0 1px 2px rgba(251, 191, 36, 0.3));
}

.review-rating .star {
    font-size: 1.125rem;
    cursor: default;
    margin-right: 0.125rem;
}

.review-rating .star:hover {
    transform: none;
}

.product-rating-stars .star {
    font-size: 1rem;
    cursor: default;
}

.product-rating-stars .star:hover {
    transform: none;
}

/* =====================================================
   RESPONSIVE
   ===================================================== */
@media (max-width: 1024px) {
    .product-card-body {
        grid-template-columns: 1fr;
        gap: var(--product-spacing-lg);
    }
    
    .product-image-section {
        position: static;
    }
}

@media (max-width: 768px) {
    .product-view-container {
        padding: var(--product-spacing) var(--product-spacing-sm);
    }
    
    .product-main-card,
    .reviews-section {
        border-radius: var(--product-radius-md);
        padding: var(--product-spacing-md);
    }
    
    .product-card-body {
        padding: var(--product-spacing-md);
    }
    
    .product-title {
        font-size: 1.5rem;
    }
    
    .product-price {
        font-size: 2rem;
    }
    
    .reviews-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--product-spacing-sm);
    }
    
    /* Reviews responsive */
    .review-item {
        padding: var(--product-spacing-md);
    }
    
    .review-header {
        gap: var(--product-spacing-sm);
    }
    
    .review-avatar {
        width: 48px;
        height: 48px;
    }
    
    .review-content-wrapper {
        margin-left: 0;
        margin-top: var(--product-spacing-sm);
    }
    
    .review-comment {
        font-size: 0.875rem;
    }
}

/* =====================================================
   UTILIDADES
   ===================================================== */
.text-muted {
    color: var(--product-text-secondary);
    text-align: center;
    padding: var(--product-spacing-lg);
}

.empty-state {
    text-align: center;
    padding: var(--product-spacing-xl);
    color: var(--product-text-secondary);
}