/* ============================================================================
   LAMARTINE — CATÁLOGO (catalogo.css)
   ============================================================================
   Estilos de la tienda: header, toolbar, sidebar de filtros, grid de productos,
   ficha de producto (side panel), paginación, empty states.
   ============================================================================ */


/* ============================================================================
   HEADER DEL CATÁLOGO
   ============================================================================ */

.catalog-header {
    padding: var(--space-8) 0 var(--space-6);
    background: var(--color-crema);
    border-bottom: 1px solid var(--border-color);
}

.catalog-header__top {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    gap: var(--space-4);
    flex-wrap: wrap;
    margin-top: var(--space-2);
}

.catalog-header__title {
    font-family: var(--font-display);
    font-size: clamp(2.25rem, 4vw, 3.25rem);
    font-weight: var(--fw-regular);
    color: var(--color-negro);
    margin: 0 0 var(--space-1) 0;
    letter-spacing: var(--tracking-tight);
    line-height: 1;
}

.catalog-header__count {
    font-family: var(--font-body);
    font-size: var(--fs-sm);
    color: var(--color-taupe);
    margin: 0;
    letter-spacing: var(--tracking-wide);
}


/* ============================================================================
   TOOLBAR
   ============================================================================ */

.catalog-toolbar {
    background: var(--color-blanco);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: var(--nav-height);
    z-index: var(--z-sticky);
}

@media (max-width: 768px) {
    .catalog-toolbar {
        top: var(--nav-height-mobile);
    }
}

.catalog-toolbar__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-4);
    padding: var(--space-3) 0;
    flex-wrap: wrap;
}

.catalog-toolbar__chips {
    display: flex;
    gap: var(--space-2);
    flex-wrap: wrap;
    flex: 1;
    min-width: 0;
}

.catalog-toolbar__sort {
    min-width: 200px;
}

.catalog-toolbar__sort .form-select {
    height: 36px;
    font-size: var(--fs-sm);
    background-color: transparent;
    border-color: var(--border-color);
}

/* Badge con la cantidad de filtros aplicados */
.catalog-toolbar__filter-count {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 18px;
    height: 18px;
    padding: 0 5px;
    background: var(--color-negro);
    color: var(--color-blanco);
    font-size: 10px;
    font-weight: var(--fw-semibold);
    border-radius: var(--radius-full);
    margin-left: var(--space-1);
}


/* Chips de filtros activos */
.filter-chip {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    padding: 4px 6px 4px 10px;
    font-size: var(--fs-xs);
    color: var(--color-tierra);
    background: var(--color-beige-claro);
    border: 1px solid var(--color-beige);
    letter-spacing: var(--tracking-wide);
    transition: var(--transition-fast);
}

.filter-chip:hover {
    background: var(--color-beige);
}

.filter-chip__remove {
    width: 16px;
    height: 16px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: none;
    border: none;
    color: inherit;
    cursor: pointer;
    padding: 0;
    margin-left: 2px;
    border-radius: 50%;
    transition: var(--transition-fast);
}

.filter-chip__remove:hover {
    background: var(--color-arena);
}


/* ============================================================================
   LAYOUT PRINCIPAL
   ============================================================================ */

.catalog {
    display: grid;
    grid-template-columns: 260px 1fr;
    gap: var(--space-10);
    padding-block: var(--space-8) var(--space-16);
    align-items: flex-start;
}

@media (max-width: 968px) {
    .catalog {
        grid-template-columns: 1fr;
        gap: var(--space-6);
    }
    
    .catalog__sidebar {
        display: none;
    }
}


/* ============================================================================
   MAIN + PRODUCT GRID
   ============================================================================ */

.catalog__main {
    min-width: 0;
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-4);
}

@media (max-width: 1200px) {
    .product-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 968px) {
    .product-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-3);
    }
}

@media (max-width: 480px) {
    .product-grid {
        grid-template-columns: 1fr;
    }
}


/* ============================================================================
   SIDEBAR DE FILTROS
   ============================================================================ */

.catalog__sidebar {
    position: sticky;
    top: calc(var(--nav-height) + 60px);
    max-height: calc(100vh - var(--nav-height) - 80px);
    overflow-y: auto;
    padding-right: var(--space-2);
}

.catalog__sidebar-header {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    margin-bottom: var(--space-4);
    padding-bottom: var(--space-3);
    border-bottom: 1px solid var(--border-color);
}

.catalog__sidebar-title {
    font-family: var(--font-display);
    font-size: var(--fs-lg);
    color: var(--color-negro);
    margin: 0;
}


/* Filtros */
.catalog-filters {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.filter-group {
    border: none;
    padding: var(--space-4) 0;
    margin: 0;
    border-bottom: 1px solid var(--border-color);
}

.filter-group:last-child {
    border-bottom: none;
}

.filter-group__title {
    font-family: var(--font-body);
    font-size: var(--fs-xs);
    font-weight: var(--fw-semibold);
    color: var(--color-negro);
    text-transform: uppercase;
    letter-spacing: var(--tracking-widest);
    margin: 0 0 var(--space-3) 0;
    padding: 0;
    display: block;
}

.filter-group__body {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}


/* Filtro de precio */
.filter-price__inputs {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    gap: var(--space-2);
}

.filter-price__inputs .form-input {
    height: 36px;
    font-size: var(--fs-sm);
}

.filter-price__separator {
    color: var(--color-gris-medio);
    font-size: var(--fs-sm);
}


/* Talles como chips */
.filter-sizes {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.filter-size {
    min-width: 40px;
    height: 36px;
    padding: 0 10px;
    border: 1px solid var(--border-color);
    background: var(--color-blanco);
    color: var(--color-tierra);
    font-size: var(--fs-xs);
    font-weight: var(--fw-medium);
    letter-spacing: var(--tracking-wide);
    cursor: pointer;
    transition: var(--transition-fast);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-transform: uppercase;
}

.filter-size:hover {
    border-color: var(--color-negro);
}

.filter-size.is-active {
    background: var(--color-negro);
    color: var(--color-blanco);
    border-color: var(--color-negro);
}


/* Colores como swatches */
.filter-colors {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
}

.filter-color {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    border: 2px solid transparent;
    cursor: pointer;
    padding: 2px;
    background: transparent;
    position: relative;
    transition: var(--transition-fast);
}

.filter-color::before {
    content: '';
    display: block;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background: var(--swatch);
    border: 1px solid var(--color-beige);
}

.filter-color:hover {
    transform: scale(1.1);
}

.filter-color.is-active {
    border-color: var(--color-negro);
}

.filter-color__label {
    font-size: var(--fs-xs);
    color: var(--color-tierra);
    margin-left: var(--space-2);
}


/* ============================================================================
   PAGINACIÓN
   ============================================================================ */

.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-3);
    margin-top: var(--space-10);
    padding-top: var(--space-6);
    border-top: 1px solid var(--border-color);
}

.pagination__pages {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.pagination__page {
    min-width: 36px;
    height: 36px;
    padding: 0 var(--space-2);
    background: transparent;
    color: var(--color-negro);
    border: 1px solid var(--color-negro);
    font-family: var(--font-body);
    font-size: var(--fs-sm);
    cursor: pointer;
    transition: var(--transition-fast);
}

.pagination__page:hover {
    background: var(--color-beige-claro);
}

.pagination__page.is-active {
    background: var(--color-negro);
    color: var(--color-blanco);
    cursor: default;
}

.pagination__ellipsis {
    padding: 0 var(--space-1);
    color: var(--color-taupe);
    font-size: var(--fs-sm);
}

.pagination__arrow {
    width: 36px;
    height: 36px;
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: none;
    border: 1px solid var(--border-color);
    color: var(--color-tierra);
    cursor: pointer;
    border-radius: 50%;
    transition: var(--transition-fast);
}

.pagination__arrow:hover:not(:disabled) {
    border-color: var(--color-negro);
    color: var(--color-negro);
}

.pagination__arrow:disabled {
    opacity: 0.35;
    cursor: not-allowed;
}


/* ============================================================================
   SEARCH BAR (nav)
   ============================================================================ */

.nav__search {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--duration-normal) var(--ease-out);
    border-top: 1px solid transparent;
}

.nav__search.is-open {
    max-height: 80px;
    border-top-color: var(--border-color);
}

.nav__search-form {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-4) 0;
    position: relative;
}

.nav__search-icon {
    width: 20px;
    height: 20px;
    color: var(--color-taupe);
    flex-shrink: 0;
}

.nav__search-input {
    flex: 1;
    border: none;
    background: transparent;
    font-family: var(--font-display);
    font-size: var(--fs-xl);
    color: var(--color-negro);
    outline: none;
    padding: var(--space-2) 0;
}

.nav__search-input::placeholder {
    color: var(--color-gris-medio);
    font-style: italic;
}

.nav__search-close {
    width: 36px;
    height: 36px;
    background: none;
    border: none;
    color: var(--color-taupe);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: var(--transition-fast);
}

.nav__search-close:hover {
    background: var(--color-beige-claro);
    color: var(--color-negro);
}

.nav__search-close svg {
    width: 20px;
    height: 20px;
}


/* ============================================================================
   FICHA DE PRODUCTO (side panel)
   ============================================================================ */

.product-panel {
    display: flex;
    flex-direction: column;
    height: 100%;
}

.product-panel__header {
    display: flex;
    justify-content: flex-end;
    padding: var(--space-3) var(--space-4) 0;
}

.product-panel__close {
    width: 40px;
    height: 40px;
    background: none;
    border: none;
    color: var(--color-negro);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: var(--transition-fast);
}

.product-panel__close:hover {
    background: var(--color-beige-claro);
}

.product-panel__close svg {
    width: 22px;
    height: 22px;
}

.product-panel__body {
    flex: 1;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
}

/* Galería de imágenes */
.product-panel__gallery {
    background: var(--color-beige-claro);
    aspect-ratio: 3/4;
    position: relative;
    overflow: hidden;
}

.product-panel__gallery-main {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: opacity var(--duration-normal) var(--ease-out);
}

.product-panel__gallery-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
    font-family: var(--font-display);
    font-style: italic;
    font-size: var(--fs-3xl);
    color: var(--color-gris-medio);
}

.product-panel__gallery-arrows {
    position: absolute;
    inset: 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 var(--space-4);
    pointer-events: none;
}

.product-panel__gallery-arrow {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.9);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-negro);
    pointer-events: auto;
    transition: var(--transition-fast);
    backdrop-filter: blur(4px);
}

.product-panel__gallery-arrow:hover {
    background: var(--color-blanco);
    transform: scale(1.05);
}

.product-panel__gallery-arrow svg {
    width: 18px;
    height: 18px;
}

.product-panel__gallery-thumbs {
    display: flex;
    gap: var(--space-2);
    padding: var(--space-3);
    overflow-x: auto;
    scrollbar-width: none;
}

.product-panel__gallery-thumbs::-webkit-scrollbar { display: none; }

.product-panel__gallery-thumb {
    flex-shrink: 0;
    width: 60px;
    height: 80px;
    background: var(--color-beige-claro);
    border: 2px solid transparent;
    padding: 0;
    cursor: pointer;
    overflow: hidden;
}

.product-panel__gallery-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.product-panel__gallery-thumb.is-active {
    border-color: var(--color-negro);
}


/* Información del producto */
.product-panel__info {
    padding: var(--space-6) var(--space-6) var(--space-4);
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.product-panel__category {
    font-size: var(--fs-xs);
    text-transform: uppercase;
    letter-spacing: var(--tracking-widest);
    color: var(--color-acento);
    margin: 0;
}

.product-panel__title {
    font-family: var(--font-display);
    font-size: var(--fs-2xl);
    font-weight: var(--fw-regular);
    color: var(--color-negro);
    line-height: var(--lh-tight);
    margin: 0;
    letter-spacing: var(--tracking-tight);
}

.product-panel__price-wrap {
    display: flex;
    align-items: baseline;
    gap: var(--space-3);
}

.product-panel__price {
    font-family: var(--font-body);
    font-size: var(--fs-xl);
    font-weight: var(--fw-medium);
    color: var(--color-negro);
    letter-spacing: var(--tracking-tight);
}

.product-panel__price--old {
    font-size: var(--fs-md);
    color: var(--color-gris-medio);
    text-decoration: line-through;
    font-weight: var(--fw-regular);
}

.product-panel__discount {
    padding: 2px 8px;
    background: var(--color-oferta);
    color: var(--color-blanco);
    font-size: var(--fs-xs);
    font-weight: var(--fw-medium);
    letter-spacing: var(--tracking-wide);
    text-transform: uppercase;
}

.product-panel__description {
    font-size: var(--fs-sm);
    line-height: var(--lh-relaxed);
    color: var(--color-tierra);
    margin: 0;
}


/* Selector de variante */
.product-panel__selector {
    padding: 0 var(--space-6) var(--space-4);
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.product-panel__selector-label {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    font-family: var(--font-body);
    font-size: var(--fs-xs);
    font-weight: var(--fw-semibold);
    color: var(--color-negro);
    text-transform: uppercase;
    letter-spacing: var(--tracking-widest);
    margin-bottom: var(--space-2);
}

.product-panel__selector-value {
    font-weight: var(--fw-regular);
    color: var(--color-taupe);
    text-transform: none;
    letter-spacing: normal;
}


/* Info de stock */
.product-panel__stock {
    font-size: var(--fs-xs);
    color: var(--color-gris-medio);
    letter-spacing: var(--tracking-wide);
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.product-panel__stock--low {
    color: var(--color-alerta);
}

.product-panel__stock--out {
    color: var(--color-error);
}

.product-panel__stock-dot {
    display: inline-block;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--color-exito);
}

.product-panel__stock--low .product-panel__stock-dot { background: var(--color-alerta); }
.product-panel__stock--out .product-panel__stock-dot { background: var(--color-error); }


/* Cantidad y agregar al carrito */
.product-panel__actions {
    position: sticky;
    bottom: 0;
    padding: var(--space-4) var(--space-6);
    background: var(--color-blanco);
    border-top: 1px solid var(--border-color);
    display: flex;
    gap: var(--space-3);
    z-index: 1;
}

.product-panel__actions .quantity-selector {
    flex-shrink: 0;
}

.product-panel__actions .btn {
    flex: 1;
}


/* Detalles adicionales (material, cuidados) */
.product-panel__details {
    padding: 0 var(--space-6) var(--space-6);
}

.product-panel__details-item {
    padding: var(--space-3) 0;
    border-top: 1px solid var(--border-color);
}

.product-panel__details-label {
    display: block;
    font-size: var(--fs-xs);
    font-weight: var(--fw-semibold);
    color: var(--color-negro);
    text-transform: uppercase;
    letter-spacing: var(--tracking-widest);
    margin-bottom: var(--space-1);
}

.product-panel__details-value {
    font-size: var(--fs-sm);
    color: var(--color-tierra);
    line-height: var(--lh-relaxed);
    margin: 0;
}


/* Loading state del panel */
.product-panel--loading {
    padding: var(--space-6);
}


/* ============================================================================
   RESPONSIVE
   ============================================================================ */

@media (max-width: 768px) {
    .catalog-toolbar__sort {
        min-width: 160px;
    }
    
    .catalog-toolbar__sort .form-select {
        font-size: var(--fs-xs);
    }
    
    .catalog-header {
        padding: var(--space-6) 0 var(--space-4);
    }
}

@media (max-width: 520px) {
    .catalog-toolbar__inner {
        flex-direction: column;
        align-items: stretch;
        gap: var(--space-3);
    }
    
    .catalog-toolbar__sort {
        width: 100%;
    }
}