/* ========================================
   ESTILOS - DETALLE DE PRODUCTO
   ======================================== */

.product-details {
    padding: 1.5rem 0;
    background: #ffffff;
}
@media (min-width: 769px) {
    .product-details {
        width: 100vw;
        position: relative;
        left: 50%;
        right: 50%;
        margin-left: -50vw;
        margin-right: -50vw;
    }
}
.product-details-container { max-width: var(--container-max-width); margin: 0 auto; padding: 1.5rem var(--container-padding); }

/* Hero: 2 columnas */
.product-hero { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; align-items: start; margin-bottom: 2rem; }

/* Galeria (columna izquierda) */
.product-gallery { }
.product-gallery-main { position: relative; border-radius: var(--radius-xl); overflow: hidden; aspect-ratio: 4/3; box-shadow: var(--shadow-lg); background: var(--gray-200); }
.product-gallery-main img { width: 100%; height: 100%; object-fit: cover; }
.product-gallery-placeholder { display: flex; align-items: center; justify-content: center; height: 100%; font-size: 4rem; color: var(--gray-400); }
.product-detail-badge { position: absolute; top: 1rem; left: 1rem; display: inline-flex; align-items: center; gap: 0.25rem; padding: 0.375rem 0.75rem; border-radius: 9999px; font-size: 0.8rem; font-weight: 600; }
.product-detail-badge--featured { background: #e17201; color: white; }
.product-gallery-btn { position: absolute; bottom: 1rem; right: 1rem; display: inline-flex; align-items: center; gap: 0.375rem; padding: 0.5rem 1rem; border-radius: 9999px; border: none; background: rgba(0,0,0,0.6); color: white; font-size: 0.8125rem; cursor: pointer; backdrop-filter: blur(4px); }
.product-gallery-btn:hover { background: rgba(0,0,0,0.8); }
.product-gallery-thumbs { display: flex; gap: 0.5rem; margin-top: 0.5rem; }
.product-gallery-thumb { position: relative; border-radius: var(--radius-md); overflow: hidden; flex: 1; min-width: 0; max-height: 100%; aspect-ratio: 1.2/1; }
.product-gallery-thumb img { width: 100%; height: 100%; object-fit: cover; transition: opacity 0.2s; }
.product-gallery-thumb:hover img { opacity: 0.85; }

/* Info (columna derecha) - sin sombra ni contorno */
.product-hero-info { display: flex; flex-direction: column; gap: 0.75rem; }
.product-details-title { font-size: 1.625rem; font-weight: 700; color: var(--gray-900); line-height: 1.25; }
.product-details-rating { display: flex; align-items: center; gap: 0.5rem; }
.product-stars { display: flex; gap: 0.125rem; font-size: 1rem; color: #e17201; }
.product-rating-text { font-size: 0.8125rem; color: var(--gray-500); }
.product-vendor-row { display: flex; align-items: center; gap: 0.75rem; }
.product-vendor-avatar { width: 40px; height: 40px; border-radius: 50%; overflow: hidden; flex-shrink: 0; background: var(--gray-200); }
.product-vendor-avatar img { width: 100%; height: 100%; object-fit: cover; }
.product-vendor-avatar-placeholder { width: 100%; height: 100%; display: flex; align-items: center; justify-content: center; color: var(--gray-400); font-size: 1.25rem; }
.product-vendor-info { display: flex; flex-direction: column; }
.product-vendor-name { font-size: 0.875rem; font-weight: 600; color: var(--gray-800); }
.product-vendor-location { font-size: 0.75rem; color: var(--gray-500); display: flex; align-items: center; gap: 0.25rem; }
.product-vendor-location i { color: #e17201; font-size: 0.8125rem; }
.product-details-price { font-size: 2rem; font-weight: 700; color: #e17201; }
.product-details-category { display: inline-block; font-size: 0.8rem; font-weight: 600; color: #e17201; background: rgba(225,113,1,0.1); padding: 0.25rem 0.75rem; border-radius: 9999px; width: fit-content; }
.product-details-vendor { display: flex; align-items: center; gap: 0.375rem; font-size: 0.875rem; color: var(--gray-600); }
.product-hero-actions { display: flex; gap: 0.5rem; padding-top: 0.5rem; }
.product-hero-delivery { display: flex; flex-direction: column; gap: 0.375rem; padding-top: 0.25rem; }
.product-delivery-item { display: flex; align-items: center; gap: 0.5rem; font-size: 0.875rem; color: var(--gray-600); }
.product-delivery-item i { color: #e17201; font-size: 1rem; flex-shrink: 0; }
.product-delivery-item--highlight { font-size: 0.8125rem; color: #e17201; }
.product-delivery-item--highlight strong { font-weight: 600; color: var(--gray-700); }
.product-delivery-note { font-size: 0.7rem; color: #e17201; margin-bottom: 0.5rem; }
[data-theme="dark"] .product-delivery-note { color: #e17201; }
.product-safety-disclaimer { display: flex; gap: 0.5rem; padding: 0.625rem 0.75rem; background: rgba(234,179,8,0.1); border-radius: var(--radius-md); font-size: 0.75rem; color: var(--gray-600); line-height: 1.5; }
.product-safety-disclaimer i { color: #e17201; font-size: 0.9375rem; flex-shrink: 0; margin-top: 0.125rem; }
.product-hero-section { padding-top: 0.5rem; border-top: 1px solid var(--gray-200); }
.product-hero-section-title { font-size: 0.75rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.05em; color: var(--gray-500); margin-bottom: 0.375rem; }
.product-details-text i { color: #e17201; }
.product-btn-contact { flex: 1; display: inline-flex; align-items: center; justify-content: center; gap: 0.375rem; padding: 0.75rem 1rem; border-radius: var(--radius-lg); border: none; background: #e17201; color: white; font-size: 0.875rem; font-weight: 600; cursor: pointer; transition: background 0.2s; max-width: 260px; }
.product-btn-contact:hover { background: #c85a00; }
.product-btn-contact--disabled { opacity: 0.5; cursor: default; background: #9ca3af; }
.product-btn-contact--disabled:hover { background: #9ca3af; }
.product-btn-fav { width: 44px; height: 44px; display: flex; align-items: center; justify-content: center; border-radius: var(--radius-lg); border: 1px solid var(--gray-300); background: white; color: var(--gray-500); font-size: 1.25rem; cursor: pointer; flex-shrink: 0; transition: all 0.2s; }
.product-btn-fav:hover { color: #ef4444; border-color: #ef4444; }
.product-btn-fav--active { color: #ef4444; border-color: #ef4444; background: #fef2f2; }

/* Contenido debajo: 2 columnas */
.product-details-bottom { display: grid; grid-template-columns: 1fr 380px; gap: 2rem; margin-top: 1.5rem; }
.product-details-side-col { min-width: 0; }
.product-details-card { background: white; border-radius: var(--radius-xl); padding: 1.25rem; margin-bottom: 1rem; }
.product-details-card--datos { box-shadow: var(--shadow-md); }
.product-datos-list { display: flex; flex-direction: column; }
.product-dato-row { display: flex; justify-content: space-between; align-items: center; padding: 0.5rem 0; border-bottom: 1px solid var(--gray-100); }
.product-dato-row:last-child { border-bottom: none; }
.product-dato-label { font-size: 0.8125rem; color: var(--gray-500); display: flex; align-items: center; gap: 0.375rem; flex-shrink: 0; }
.product-dato-label i { color: #e17201; font-size: 0.875rem; }
.product-dato-value { font-size: 0.8125rem; color: var(--gray-800); font-weight: 500; text-align: right; }
.product-details-map
.product-details-map { margin-top: 0.75rem; border-radius: var(--radius-lg); overflow: hidden; height: 220px; background: var(--gray-200); }
.product-details-map iframe { width: 100%; height: 100%; border: 0; }
.product-details-text i { color: #e17201; }
.product-details-section { margin-bottom: 2rem; }
.section-title-row .product-details-section-title { margin-bottom: 0; }
.product-details-section-title { font-size: 1rem; font-weight: 600; color: var(--gray-900); margin-bottom: 0.75rem; }
.product-details-desc { font-size: 0.9375rem; color: var(--gray-600); line-height: 1.65; }
.product-details-text { font-size: 0.875rem; color: var(--gray-600); display: flex; align-items: center; gap: 0.375rem; }
.product-details-tags { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.product-detail-tag { font-size: 0.75rem; color: var(--gray-600); background: var(--gray-100); padding: 0.25rem 0.625rem; border-radius: 9999px; }

/* Tabs */
.tabs-nav {
    display: flex; gap: 0.3125rem; padding: 0.3125rem;
    background-color: var(--gray-100); border-radius: var(--radius-xl);
    margin-bottom: 1.25rem; overflow-x: auto;
    -webkit-overflow-scrolling: touch; scrollbar-width: none;
    -ms-overflow-style: none; box-shadow: inset 0 1px 2px rgba(0,0,0,0.05);
}
.tabs-nav::-webkit-scrollbar { display: none; }
.tab-btn {
    display: flex; align-items: center; gap: 0.5rem; padding: 0.625rem 1.125rem;
    background: transparent; border: none; border-radius: var(--radius-lg);
    font-size: 0.8125rem; font-weight: 500; color: var(--gray-500);
    cursor: pointer; transition: all 0.25s ease; white-space: nowrap; flex: none; justify-content: center;
}
.tab-btn i { font-size: 1.125rem; color: var(--gray-400); transition: color 0.25s ease; }
.tab-btn:hover { color: var(--gray-700); background-color: rgba(255,255,255,0.5); }
.tab-btn.active { background-color: white; color: #e17201; box-shadow: 0 1px 3px rgba(0,0,0,0.1); font-weight: 600; }
.tab-btn.active i { color: #e17201; }
.tab-content { display: none; touch-action: pan-y pinch-zoom; }
.tab-content.active { display: block; animation: fadeIn 0.3s ease; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }

@media (min-width: 1024px) {
    .tab-btn { padding: 0.875rem 1.5rem; gap: 0.625rem; font-size: 0.9375rem; }
    .tabs-nav { gap: 0.5rem; padding: 0.5rem; }
}

.product-reviews-empty { text-align: center; padding: 2.5rem 1rem; }
.product-reviews-empty i { font-size: 3rem; color: var(--gray-300); display: block; margin-bottom: 0.75rem; }
.product-reviews-empty p { font-size: 0.9375rem; color: var(--gray-500); margin-bottom: 1rem; }

/* Dark mode */
[data-theme="dark"] .product-details { background: transparent; }
[data-theme="dark"] .product-gallery-main { background: #374151; }
[data-theme="dark"] .product-details-title { color: #f3f4f6; }
[data-theme="dark"] .product-reviews-empty i { color: #4b5563; }
[data-theme="dark"] .tabs-nav { background-color: #1e293b; box-shadow: inset 0 1px 2px rgba(0,0,0,0.3); }
[data-theme="dark"] .tab-btn { color: #94a3b8; }
[data-theme="dark"] .tab-btn:hover { background-color: rgba(51,65,85,0.5); color: #e2e8f0; }
[data-theme="dark"] .tab-btn.active { background-color: #334155; color: #e17201; }
[data-theme="dark"] .tab-btn.active i { color: #e17201; }
[data-theme="dark"] .product-details-section-title { color: #f3f4f6; border-color: #374151; }
[data-theme="dark"] .product-details-desc { color: #d1d5db; }
[data-theme="dark"] .product-details-text { color: #d1d5db; }
[data-theme="dark"] .product-delivery-item { color: #d1d5db; }
[data-theme="dark"] .product-detail-tag { background: #374151; color: #d1d5db; }
[data-theme="dark"] .product-details-vendor { color: #d1d5db; }
[data-theme="dark"] .product-btn-fav { background: transparent; border-color: #4b5563; color: #9ca3af; }
[data-theme="dark"] .product-btn-fav--active { color: #ef4444; }
[data-theme="dark"] .product-details-category { background: rgba(225,113,1,0.15); }
[data-theme="dark"] .product-vendor-name { color: #f3f4f6; }
[data-theme="dark"] .product-vendor-avatar { background: #374151; }
[data-theme="dark"] .product-hero-section { border-color: #374151; }
[data-theme="dark"] .product-delivery-item--highlight strong { color: #d1d5db; }
[data-theme="dark"] .product-safety-disclaimer { background: rgba(234,179,8,0.08); color: #d1d5db; }
[data-theme="dark"] .product-delivery-note { color: #e17201; }
[data-theme="dark"] .product-detail-row { border-color: #374151; }
[data-theme="dark"] .product-detail-value { color: #d1d5db; }
[data-theme="dark"] .product-details-card { background: #1f2937; }
[data-theme="dark"] .product-details-map { background: #374151; }
[data-theme="dark"] .product-dato-value { color: #d1d5db; }
[data-theme="dark"] .product-dato-label { color: #9ca3af; }
[data-theme="dark"] .product-dato-row { border-color: #374151; }

/* Ocultar bottom-nav global en product-details */
.page-product-details .bottom-nav { display: none !important; }

.product-write-review-btn {
    display: inline-flex; align-items: center; gap: 0.375rem;
    padding: 0.5rem 1rem; background: #e17201; color: white; border: none;
    border-radius: var(--radius-md); font-size: 0.8125rem; font-weight: 500;
    cursor: pointer; transition: all 0.2s ease;
}
.product-write-review-btn:hover { background: #c85a00; transform: translateY(-1px); }
.product-write-review-btn i { font-size: 1.125rem; }
.product-write-review-btn:disabled { background: #9ca3af; cursor: default; transform: none; }

/* Header de reseñas */
.product-reviews-header { margin-bottom: 1rem; }
.product-reviews-header-top { display: flex; align-items: center; justify-content: space-between; gap: 1rem; flex-wrap: wrap; }
.product-reviews-header-top .product-details-section-title { margin-bottom: 0; }
.reviews-empty { text-align: center; padding: 2.5rem 1rem; }
.reviews-empty-icon { font-size: 3rem; color: var(--gray-300); margin-bottom: 0.75rem; }
.reviews-empty h3 { font-size: 1.125rem; font-weight: 600; color: var(--gray-900); margin: 0 0 0.375rem; }
.reviews-empty p { font-size: 0.9375rem; color: var(--gray-500); margin: 0 0 1rem; }

/* Review item (matching service-details) */
.review-item { padding: 1.25rem; background: white; border: 1px solid var(--gray-200); border-radius: var(--radius-xl); margin-bottom: 0.75rem; }
.review-item[hidden] { display: none; }
.review-item--extra { display: none; }
.review-header { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 0.875rem; flex-wrap: wrap; gap: 0.5rem; }
.review-user { display: flex; align-items: center; gap: 0.6875rem; }
.review-avatar { width: 40px; height: 40px; border-radius: 50%; overflow: hidden; flex-shrink: 0; background: var(--gray-200); display: flex; align-items: center; justify-content: center; }
.review-avatar img { width: 100%; height: 100%; object-fit: cover; }
.review-avatar span { font-size: 0.75rem; font-weight: 700; color: var(--gray-500); }
.review-user-info { display: flex; align-items: center; gap: 0.375rem; }
.review-user-name { font-size: 0.875rem; font-weight: 600; color: var(--gray-800); }
.review-user-verified { color: #3b82f6; font-size: 1rem; }
.review-meta { display: flex; align-items: center; gap: 0.75rem; }
.review-rating { display: flex; gap: 0.125rem; color: #f59e0b; font-size: 0.8125rem; }
.review-date { font-size: 0.75rem; color: var(--gray-500); }
.review-comment { font-size: 0.875rem; color: var(--gray-600); line-height: 1.55; margin: 0.5rem 0 0; }
.review-images { display: flex; gap: 0.5rem; margin-top: 0.75rem; flex-wrap: wrap; }
.review-image-link { width: 72px; height: 72px; border-radius: var(--radius-md); overflow: hidden; }
.review-image-link img { width: 100%; height: 100%; object-fit: cover; }
.review-response { margin-top: 0.75rem; padding: 0.75rem; background: var(--gray-50); border-radius: var(--radius-md); font-size: 0.8125rem; color: var(--gray-600); }
.review-response-header { display: flex; align-items: center; gap: 0.375rem; font-size: 0.75rem; font-weight: 600; color: var(--gray-700); margin-bottom: 0.25rem; }
.review-response-date { margin-left: auto; color: var(--gray-400); font-weight: 400; }
.reviews-load-more { text-align: center; margin-top: 1rem; }

/* Review photos upload en modal */
.review-photos-upload { display: flex; gap: 0.5rem; flex-wrap: wrap; }
.review-photos-preview { display: flex; gap: 0.5rem; flex-wrap: wrap; }
.review-photo-add { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 0.25rem; width: 80px; height: 80px; border: 2px dashed var(--gray-300); border-radius: var(--radius-lg); cursor: pointer; font-size: 0.6875rem; color: var(--gray-500); transition: border-color 0.2s; }
.review-photo-add:hover { border-color: #e17201; color: #e17201; }
.review-photo-add i { font-size: 1.25rem; }
.review-photo-preview { position: relative; width: 80px; height: 80px; border-radius: var(--radius-lg); overflow: hidden; }
.review-photo-preview img { width: 100%; height: 100%; object-fit: cover; }
.review-photo-remove { position: absolute; top: 2px; right: 2px; width: 20px; height: 20px; border-radius: 50%; background: rgba(0,0,0,0.6); border: none; color: white; font-size: 0.5625rem; cursor: pointer; display: flex; align-items: center; justify-content: center; }

[data-theme="dark"] .review-item { background: #1f2937; border-color: #374151; }
[data-theme="dark"] .review-user-name { color: #f3f4f6; }
[data-theme="dark"] .review-comment { color: #d1d5db; }
[data-theme="dark"] .review-response { background: #374151; color: #d1d5db; }
[data-theme="dark"] .review-response-header { color: #e2e8f0; }
[data-theme="dark"] .review-avatar { background: #374151; }
[data-theme="dark"] .reviews-empty h3 { color: #f3f4f6; }
[data-theme="dark"] .review-photo-add { border-color: #4b5563; color: #9ca3af; }
[data-theme="dark"] .review-photo-add:hover { border-color: #e17201; color: #e17201; }

[data-theme="dark"] .product-bottom-nav { background: #1f2937; border-top-color: #374151; }
[data-theme="dark"] .product-bottom-fav { background: transparent; border-color: #4b5563; color: #9ca3af; }

/* Reseñas - summary bars (idéntico a service-details) */
.reviews-summary {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 1.5rem;
    padding: 1.25rem;
    background: var(--gray-50);
    border-radius: var(--radius-lg);
    margin-bottom: 1.5rem;
}
.reviews-summary-score {
    text-align: center;
}
.reviews-score-value {
    display: block;
    font-size: 2.25rem;
    font-weight: 700;
    color: var(--gray-900);
    line-height: 1;
}
.reviews-score-stars {
    display: flex;
    justify-content: center;
    gap: 0.25rem;
    color: var(--amber-400);
    font-size: 1.25rem;
    margin: 0.5rem 0;
}
.reviews-score-count {
    font-size: 0.875rem;
    color: var(--gray-500);
}
.reviews-summary-bars {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}
.reviews-bar-row {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}
.reviews-bar-label {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    width: 2.5rem;
    font-size: 0.75rem;
    color: var(--gray-600);
}
.reviews-bar-label i {
    color: var(--amber-400);
    font-size: 0.75rem;
}
.reviews-bar {
    flex: 1;
    height: 0.5rem;
    background: var(--gray-200);
    border-radius: var(--radius-full);
    overflow: hidden;
}
.reviews-bar-fill {
    height: 100%;
    background: var(--amber-400);
    border-radius: var(--radius-full);
}
.reviews-bar-percent {
    width: 2.5rem;
    font-size: 0.75rem;
    color: var(--gray-500);
    text-align: right;
}
.reviews-list { display: flex; flex-direction: column; gap: 0.75rem; }
.review-item { padding: 1rem; background: white; border: 1px solid var(--gray-200); border-radius: var(--radius-xl); }
.review-item--extra { display: none; }
.reviews-load-more { text-align: center; margin-top: 1rem; }
.review-header { display: flex; align-items: center; gap: 0.75rem; margin-bottom: 0.5rem; }
.review-user-avatar { width: 36px; height: 36px; border-radius: 50%; overflow: hidden; flex-shrink: 0; background: var(--gray-200); }
.review-user-avatar img { width: 100%; height: 100%; object-fit: cover; }
.review-user-avatar-placeholder { width: 100%; height: 100%; display: flex; align-items: center; justify-content: center; color: var(--gray-400); font-size: 1rem; }
.review-user-name { font-size: 0.875rem; font-weight: 600; color: var(--gray-800); }
.review-meta { display: flex; align-items: center; gap: 0.5rem; margin-bottom: 0.375rem; }
.review-date { font-size: 0.75rem; color: var(--gray-500); }
.review-comment { font-size: 0.875rem; color: var(--gray-600); line-height: 1.55; margin: 0; }
.review-response { margin-top: 0.75rem; padding: 0.75rem; background: var(--gray-50); border-radius: var(--radius-md); font-size: 0.8125rem; color: var(--gray-600); }
.review-response-header { display: flex; align-items: center; gap: 0.375rem; font-size: 0.75rem; font-weight: 600; color: var(--gray-700); margin-bottom: 0.25rem; }

[data-theme="dark"] .review-item { background: #1f2937; border-color: #374151; }
[data-theme="dark"] .review-user-name { color: #f3f4f6; }
[data-theme="dark"] .review-comment { color: #d1d5db; }
[data-theme="dark"] .review-response { background: #374151; color: #d1d5db; }
[data-theme="dark"] .review-response-header { color: #e2e8f0; }
[data-theme="dark"] .reviews-score-value { color: #f3f4f6; }
[data-theme="dark"] .reviews-bar { background: #374151; }
[data-theme="dark"] .reviews-summary { border-color: #374151; }

/* Bottom Nav de Producto - solo en mobile */
.product-bottom-nav { display: none; }
@media (max-width: 768px) {
    .product-bottom-nav { display: block; position: fixed; bottom: 0; left: 0; right: 0; z-index: 1000; background: white; border-top: 0.5px solid rgba(0,0,0,0.06); padding: 0.625rem 1rem; padding-bottom: calc(0.625rem + env(safe-area-inset-bottom,0)); box-shadow: 0 -1px 4px rgba(0,0,0,0.04); }
    .product-bottom-nav-inner { display: flex; align-items: center; gap: 1rem; }
    .product-bottom-price { flex: 1; min-width: 0; display: flex; flex-direction: column; }
    .product-bottom-price-label { font-size: 0.6875rem; color: var(--gray-500); }
    .product-bottom-price-value { font-size: 1.125rem; font-weight: 700; color: #e17201; }
    .product-bottom-actions { display: flex; align-items: center; gap: 0.5rem; flex-shrink: 0; }
    .product-bottom-btn { display: inline-flex; align-items: center; gap: 0.375rem; padding: 0.625rem 1rem; border-radius: var(--radius-lg); border: none; background: #25D366; color: white; font-size: 0.8125rem; font-weight: 600; cursor: pointer; text-decoration: none; white-space: nowrap; }
    .product-bottom-btn--disabled { background: #9ca3af; cursor: default; }
    .product-bottom-fav { width: 40px; height: 40px; display: flex; align-items: center; justify-content: center; border-radius: var(--radius-lg); border: 1px solid var(--gray-300); background: white; color: var(--gray-500); font-size: 1.125rem; cursor: pointer; flex-shrink: 0; }
    .product-details-side-col { display: none; }
    .tab-btn--details { display: flex; }
    .product-details-bottom { padding-bottom: calc(72px + env(safe-area-inset-bottom,0)); }
}
@media (min-width: 769px) {
    .tab-btn--details { display: none; }
    #tab-details { display: none !important; }
}

/* Responsive */
@media (max-width: 768px) {
    .product-details { padding-top: 0; }
    .product-details-container { padding: 0; }
    .product-hero { grid-template-columns: 1fr; gap: 0; margin: 0 -1rem; }
    .product-gallery { position: static; margin: 0; }
    .product-gallery-main { border-radius: 0; aspect-ratio: 4/3; }
    .product-gallery-thumbs { padding: 0 1rem 0.5rem; }
    .product-hero-info { padding: 0 1rem; }
    .product-details-section { padding: 0 1rem; }
    .product-details-title { font-size: 1.25rem; }
    .product-details-price { font-size: 1.5rem; }
    .product-btn-contact { max-width: none; }
    .product-details-bottom { display: block; padding-bottom: calc(72px + env(safe-area-inset-bottom,0)); }
    .product-details-side-col { display: none; }
    .tab-btn--details { display: flex; }
    .product-bottom-nav { display: block; position: fixed; bottom: 0; left: 0; right: 0; z-index: 1000; background: white; border-top: 0.5px solid rgba(0,0,0,0.06); padding: 0.625rem 1rem; padding-bottom: calc(0.625rem + env(safe-area-inset-bottom,0)); box-shadow: 0 -1px 4px rgba(0,0,0,0.04); }
    .product-bottom-nav-inner { display: flex; align-items: center; gap: 0.5rem; }
    .product-bottom-actions { display: flex; align-items: center; gap: 0.5rem; flex: 1; }
    .product-hero-actions { display: none; }
    .product-bottom-btn { flex: 1; display: inline-flex; align-items: center; justify-content: center; gap: 0.375rem; padding: 0.75rem 1rem; border-radius: var(--radius-lg); border: none; background: #e17201; color: white; font-size: 0.875rem; font-weight: 600; cursor: pointer; text-decoration: none; white-space: nowrap; }
    .product-bottom-btn:hover { background: #c85a00; }
    .product-bottom-btn--disabled { background: #9ca3af; cursor: default; }
    .product-bottom-fav { width: 44px; height: 44px; display: flex; align-items: center; justify-content: center; border-radius: var(--radius-lg); border: 1px solid var(--gray-300); background: white; color: var(--gray-500); font-size: 1.25rem; cursor: pointer; flex-shrink: 0; }
}
@media (min-width: 769px) {
    .tab-btn--details { display: none; }
    #tab-details { display: none !important; }
}