/* ==========================================================================
   FENIX - Product Detail Premium Design (Amazon Business / Makro B2B)
   ========================================================================== */

:root {
    --detail-gap: 32px;
    --card-radius: 16px;
    --transition-smooth: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

.product-detail-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 24px;
}

/* --- Go Back & Breadcrumb Row --- */
.detail-navigation-bar {
    margin-bottom: 24px;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
}

.btn-back-to-results {
    text-decoration: none !important;
    color: var(--gray-700) !important;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    padding: 8px 16px;
    border: 1px solid var(--gray-200);
    border-radius: 10px;
    background: white;
    transition: var(--transition-smooth);
    box-shadow: var(--shadow-sm);
    cursor: pointer;
}

.btn-back-to-results:hover {
    color: var(--primary-700) !important;
    border-color: var(--primary-200);
    background: var(--primary-50);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
    transform: translateY(-1px);
}

.btn-back-to-results i {
    font-size: 16px;
}

.breadcrumb-nav {
    padding: 0;
}

.breadcrumb-list {
    display: flex;
    flex-wrap: wrap;
    list-style: none;
    padding: 0;
    margin: 0;
    gap: 6px;
    align-items: center;
    font-size: 14px;
}

.breadcrumb-item a {
    color: var(--gray-500);
    text-decoration: none;
    transition: var(--transition-smooth);
}

.breadcrumb-item a:hover {
    color: var(--primary-600);
    text-decoration: underline;
}

.breadcrumb-separator {
    color: var(--gray-300);
    display: flex;
    align-items: center;
    font-size: 10px;
}

.breadcrumb-current {
    color: var(--gray-700);
    font-weight: 600;
}

/* --- 3-Column Grid Layout --- */
.product-main-grid-v2 {
    display: grid;
    grid-template-columns: 4fr 3.5fr 2.5fr;
    gap: var(--detail-gap);
    margin-bottom: 48px;
    align-items: start;
}

/* === Columna 1: Imagen (40%) === */
.detail-left-col {
    display: flex;
    flex-direction: column;
}

.product-image-card-v2 {
    background: white;
    border: 1px solid var(--gray-100);
    border-radius: var(--card-radius);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.015);
    padding: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 400px;
    max-height: 520px;
    overflow: hidden;
    position: relative;
    transition: var(--transition-smooth);
}

.product-image-card-v2:hover {
    border-color: var(--gray-200);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.03);
}

.product-image-card-v2 img {
    max-width: 100%;
    max-height: 450px;
    height: auto;
    object-fit: contain;
    transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

.product-image-card-v2:hover img {
    transform: scale(1.03);
}

.product-image-card-v2 .product-image-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--gray-400);
    gap: 12px;
}

.product-image-card-v2 .product-image-placeholder i {
    font-size: 64px;
}

/* === Columna 2: Información (35%) === */
.detail-center-col {
    display: flex;
    flex-direction: column;
}

.product-brand-tag {
    font-size: 13px;
    font-weight: 600;
    color: var(--primary-600);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 8px;
}

.product-title-bold {
    font-size: 32px;
    font-weight: 800;
    line-height: 1.2;
    color: var(--gray-900);
    margin: 0 0 16px 0;
}

/* Metadata Row (Horizontal) */
.product-metadata-row {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 16px;
    margin-bottom: 24px;
    font-size: 13.5px;
    color: var(--gray-500);
}

.metadata-item {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.metadata-item i {
    color: var(--gray-400);
    font-size: 15px;
}

.metadata-divider {
    width: 1px;
    height: 12px;
    background: var(--gray-200);
}

/* Stock Badge Premium */
.stock-badge-premium {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 12px;
    border-radius: 20px;
    font-weight: 600;
    font-size: 12px;
    line-height: 1.2;
}

.stock-badge-premium.in-stock {
    background-color: #f0fdf4;
    color: #16a34a;
    border: 1px solid #dcfce7;
}

.stock-badge-premium.low-stock {
    background-color: #fffbeb;
    color: #d97706;
    border: 1px solid #fef3c7;
}

.stock-badge-premium.out-of-stock {
    background-color: #fef2f2;
    color: #dc2626;
    border: 1px solid #fee2e2;
}

.detail-separator-line {
    border: none;
    border-top: 1px solid var(--gray-200);
    margin: 24px 0;
}

/* Sección de descripción */
.detail-section-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--gray-800);
    margin-bottom: 12px;
}

.detail-description-content {
    font-size: 15px;
    line-height: 1.6;
    color: var(--gray-600);
}

.detail-description-content p {
    margin-bottom: 14px;
}

/* Caja de Claims / Alérgenos */
.product-claims-alert {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background-color: #f8fafc;
    border: 1px solid var(--gray-200);
    border-radius: 20px;
    padding: 10px 20px;
    margin-top: 24px;
    font-size: 13.5px;
    font-weight: 500;
    color: var(--gray-600);
    max-width: 100%;
}

.product-claims-alert i {
    color: var(--primary-600);
    font-size: 16px;
}

/* === Columna 3: Caja de Compra Sticky (25%) === */
.detail-right-col {
    position: sticky;
    top: 100px;
}

.purchase-sticky-card {
    background: white;
    border: 1px solid var(--gray-200);
    border-radius: var(--card-radius);
    box-shadow: 0 10px 30px rgba(0,0,0,0.03);
    padding: 24px;
}

/* Caja precio superior */
.premium-price-box {
    background: linear-gradient(135deg, #f0f7ff 0%, #e0efff 100%);
    border-radius: 12px;
    padding: 18px 24px;
    text-align: center;
    margin-bottom: 24px;
}

.price-box-label {
    font-size: 11px;
    font-weight: 700;
    color: var(--primary-600);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 4px;
}

.price-box-main {
    font-size: 36px;
    font-weight: 800;
    color: #1e3a8a;
    line-height: 1.1;
    display: flex;
    align-items: baseline;
    justify-content: center;
}

.price-box-unit {
    font-size: 15px;
    color: #475569;
    font-weight: 500;
    margin-left: 6px;
}

.price-box-login-hint {
    font-size: 16px;
    font-weight: 600;
    color: var(--gray-600);
    font-style: italic;
    line-height: 1.3;
}

/* Selector de Cantidad */
.purchase-quantity-group {
    margin-bottom: 24px;
}

.qty-label-text {
    font-size: 13px;
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: 8px;
    display: block;
}

.premium-qty-selector {
    display: flex;
    align-items: center;
    border: 1px solid var(--gray-300);
    border-radius: 10px;
    height: 44px;
    overflow: hidden;
    background: white;
}

.qty-control-btn {
    background: #f8fafc;
    border: none;
    cursor: pointer;
    width: 44px;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    color: var(--gray-600);
    transition: var(--transition-smooth);
    padding: 0;
}

.qty-control-btn:hover:not(:disabled) {
    background: #f1f5f9;
    color: var(--gray-900);
}

.qty-control-btn:disabled {
    color: var(--gray-300);
    cursor: not-allowed;
    background: #f8fafc;
}

.qty-display-box {
    flex: 1;
    text-align: center;
    font-weight: 700;
    font-size: 15px;
    color: var(--gray-800);
    user-select: none;
}

/* CTA Buttons */
.btn-premium-cta-primary {
    background: var(--primary-600);
    color: white !important;
    border: none;
    border-radius: 10px;
    padding: 14px 20px;
    font-size: 15px;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    cursor: pointer;
    transition: var(--transition-smooth);
    box-shadow: 0 4px 12px rgba(47,100,67,0.15); /* Color corporativo */
}

.btn-premium-cta-primary:hover:not(:disabled) {
    background: var(--primary-700);
    transform: translateY(-1px);
    box-shadow: 0 6px 16px rgba(47,100,67,0.22);
}

.btn-premium-cta-primary:active {
    transform: translateY(0);
}

.btn-premium-cta-primary:disabled {
    background: var(--gray-200);
    color: var(--gray-400) !important;
    cursor: not-allowed;
    box-shadow: none;
    transform: none;
}

.btn-premium-cta-secondary {
    background: white;
    color: var(--gray-600) !important;
    border: 1px solid var(--gray-300);
    border-radius: 10px;
    padding: 12px 20px;
    font-size: 14px;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    cursor: pointer;
    margin-top: 12px;
    transition: var(--transition-smooth);
}

.btn-premium-cta-secondary:hover {
    background: #f8fafc;
    border-color: var(--gray-400);
    color: var(--gray-900) !important;
}

/* === Seccion de Confianza Comercial === */
.premium-trust-row {
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: var(--card-radius);
    padding: 24px 32px;
    margin-top: 32px;
    margin-bottom: 32px;
}

.trust-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--detail-gap);
}

.trust-card-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
}

.trust-card-icon {
    font-size: 28px;
    line-height: 1;
    flex-shrink: 0;
}

.trust-card-info {
    display: flex;
    flex-direction: column;
}

.trust-card-title {
    font-size: 14px;
    font-weight: 700;
    color: var(--gray-800);
    margin: 0 0 4px 0;
}

.trust-card-desc {
    font-size: 12px;
    line-height: 1.4;
    color: var(--gray-500);
    margin: 0;
}

/* === Responsive Grid Adjustments === */
@media (max-width: 1100px) {
    .product-main-grid-v2 {
        grid-template-columns: 1fr 1fr;
    }
    
    .detail-right-col {
        grid-column: span 2;
        position: static;
        margin-top: 16px;
    }
    
    .trust-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .product-main-grid-v2 {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    
    .detail-right-col {
        grid-column: span 1;
    }
    
    .product-image-card-v2 {
        min-height: 300px;
    }
    
    .product-title-bold {
        font-size: 26px;
    }
    
    .premium-trust-row {
        padding: 20px;
    }
}

@media (max-width: 480px) {
    .trust-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .product-metadata-row {
        gap: 10px;
        font-size: 12px;
    }
}