/* loading.css - Esqueletos de carga e imágenes que aparecen suavemente.
   Los esqueletos usan las mismas clases que las tarjetas reales, así ocupan
   el mismo espacio y la página no "salta" cuando llegan los productos. */

:root {
    --skeleton-base: #eeeeee;
    --skeleton-shine: #f7f7f7;
}

@keyframes skeleton-shimmer {
    from { background-position: 150% 0; }
    to { background-position: -50% 0; }
}

.skeleton-shimmer,
.skeleton-line,
.skeleton-box {
    background: linear-gradient(100deg, var(--skeleton-base) 30%, var(--skeleton-shine) 50%, var(--skeleton-base) 70%);
    background-size: 250% 100%;
    animation: skeleton-shimmer 1.4s ease-in-out infinite;
}

.skeleton-line {
    display: block;
    height: 12px;
    margin: 0 auto 10px;
    border-radius: 6px;
}

.skeleton-line.w-90 { width: 90%; }
.skeleton-line.w-70 { width: 70%; }
.skeleton-line.w-50 { width: 50%; }
.skeleton-line.w-30 { width: 30%; }
.skeleton-line.is-price { height: 18px; margin-top: 16px; }

.skeleton-button {
    display: block;
    height: 38px;
    margin-top: auto;
    border-radius: 6px;
    background: #e6e6e6;
}

/* Tarjetas esqueleto: sin interacción ni sombras de hover */
.skeleton-card {
    pointer-events: none;
    cursor: default !important;
}

.skeleton-card:hover {
    transform: none !important;
    box-shadow: var(--shadow, 0 2px 10px rgba(0, 0, 0, 0.08)) !important;
}

.skeleton-card .product-info {
    display: flex;
    flex-direction: column;
    padding-top: 18px;
}

/* Logos del carrusel de marcas */
.brand-logo-item.skeleton-card .skeleton-box {
    display: block;
    width: 76px;
    height: 76px;
    margin-bottom: 0.5rem;
    border-radius: 12px;
}

.brand-logo-item.skeleton-card .skeleton-line {
    width: 56px;
    height: 10px;
    margin: 4px 0 0;
}

/* Bloques de "Productos por marca" */
.brand-showcase-block.is-skeleton .brand-showcase-title-row {
    justify-content: center;
}

.brand-showcase-block.is-skeleton .skeleton-line.is-title {
    width: 140px;
    height: 20px;
    margin: 0 auto;
}

.brand-showcase-block.is-skeleton .brand-products-track {
    overflow: hidden;
}

/* ---------- Imágenes: fondo animado mientras cargan y aparición suave ---------- */
.js-img-fade .product-real-image,
.js-img-fade .brand-logo,
.js-img-fade .brand-filter-logo,
.js-img-fade #modalProductImage,
.js-img-fade .cart-item-thumb img,
.js-img-fade .sidebar-item-thumb img,
.js-img-fade .pay-item-thumb img,
.js-img-fade .hair-rec-image img,
.js-img-fade .od-item-thumb img {
    opacity: 0;
    transition: opacity 0.35s ease;
}

.js-img-fade .product-real-image.is-loaded,
.js-img-fade .brand-logo.is-loaded,
.js-img-fade .brand-filter-logo.is-loaded,
.js-img-fade #modalProductImage.is-loaded,
.js-img-fade .cart-item-thumb img.is-loaded,
.js-img-fade .sidebar-item-thumb img.is-loaded,
.js-img-fade .pay-item-thumb img.is-loaded,
.js-img-fade .hair-rec-image img.is-loaded,
.js-img-fade .od-item-thumb img.is-loaded {
    opacity: 1;
}

.js-img-fade .product-image:has(.product-real-image:not(.is-loaded)),
.js-img-fade .modal-product-image:has(#modalProductImage:not(.is-loaded)),
.js-img-fade .cart-item-thumb:has(img:not(.is-loaded)),
.js-img-fade .sidebar-item-thumb:has(img:not(.is-loaded)),
.js-img-fade .pay-item-thumb:has(img:not(.is-loaded)),
.js-img-fade .hair-rec-image:has(img:not(.is-loaded)),
.js-img-fade .od-item-thumb:has(img:not(.is-loaded)) {
    background: linear-gradient(100deg, var(--skeleton-base) 30%, var(--skeleton-shine) 50%, var(--skeleton-base) 70%);
    background-size: 250% 100%;
    animation: skeleton-shimmer 1.4s ease-in-out infinite;
}

/* ---------- Chips de filtros (catálogo) ---------- */
.skeleton-chip {
    display: inline-block;
    flex-shrink: 0;
    width: 110px;
    height: 38px;
    border-radius: 999px;
    pointer-events: none;
}

.brands-rail .skeleton-chip {
    width: 150px;
    height: 48px;
}

/* ---------- Mis compras ---------- */
.order-card.skeleton-card .skeleton-line {
    margin: 0 0 10px;
}

.order-card.skeleton-card .order-info {
    align-self: stretch;
    width: 100%;
}

.order-card.skeleton-card .skeleton-line.is-status {
    width: 90px;
    height: 26px;
    margin: 0;
    border-radius: 999px;
}

/* ---------- Detalle de la orden (páginas de pago) ---------- */
.pay-order.is-skeleton .skeleton-line {
    margin: 0 0 12px;
}

.pay-order.is-skeleton .skeleton-row {
    display: grid;
    grid-template-columns: 48px 1fr 70px;
    gap: 12px;
    align-items: center;
    margin-top: 18px;
}

.pay-order.is-skeleton .skeleton-box {
    width: 48px;
    height: 48px;
    border-radius: 8px;
}

/* Secciones que aparecen después de cargar su configuración */
@keyframes section-fade-in {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: none; }
}

.hair-analysis-section:not(.hair-analysis-pending) {
    animation: section-fade-in 0.45s ease both;
}

/* ---------- Barra de progreso al cambiar de página ---------- */
.page-progress {
    position: fixed;
    top: 0;
    left: 0;
    z-index: 5000;
    width: 100%;
    height: 3px;
    pointer-events: none;
    transform: scaleX(0);
    transform-origin: left center;
    background: #111;
    opacity: 0;
}

.page-progress.is-active {
    opacity: 1;
    animation: page-progress-grow 8s cubic-bezier(0.1, 0.6, 0.2, 1) forwards;
}

.page-progress.is-done {
    animation: none;
    transform: scaleX(1);
    opacity: 0;
    transition: transform 0.2s ease, opacity 0.3s ease 0.15s;
}

@keyframes page-progress-grow {
    0% { transform: scaleX(0); }
    20% { transform: scaleX(0.45); }
    100% { transform: scaleX(0.92); }
}

@media (prefers-reduced-motion: reduce) {
    .skeleton-shimmer,
    .skeleton-line,
    .skeleton-box,
    .js-img-fade .product-image:has(.product-real-image:not(.is-loaded)),
    .hair-analysis-section:not(.hair-analysis-pending) {
        animation: none;
    }

    .page-progress.is-active {
        animation: none;
        transform: scaleX(0.6);
    }
}