/* ===============================
   VARIABLES
================================= */
:root {
    --color-primario:    #FB6265;
    --color-primario-d:  #d94548;
    --color-secundario:  #232323;
    --color-terciario:   #717171;
    --color-neutral:     #DDDDDD;
    --color-fondo:       #fff;
    --color-fondo-pagina:#f4f4f6;
    --color-sombra:      rgba(0, 0, 0, 0.07);
    --color-sombra-hover:rgba(0, 0, 0, 0.14);
    --radio:             8px;
    --radio-sm:          5px;
    --transicion:        0.2s ease;
}

*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: "Segoe UI", Roboto, Arial, sans-serif;
    background: var(--color-fondo-pagina);
    color: var(--color-secundario);
}

/* ===============================
   CONTENEDOR PRINCIPAL
================================= */
.contenido_pagina {
    margin-top: 1.5rem;
    width: 100%;
    padding: 0 1.5rem 3rem;
    display: flex;
    flex-direction: column;
    align-items: center;
}

/* ===============================
   BARRA DE BÚSQUEDA
================================= */
#buscar_producto {
    display: flex;
    justify-content: center;
    width: 100%;
    max-width: 860px;
    margin-bottom: 1.75rem;
}

.buscador {
    padding: 12px 18px;
    border: 1.5px solid var(--color-neutral);
    border-radius: 50px;
    width: 400px;
    margin-right: 250px;
    font-size: 0.75rem;
    background: var(--color-fondo);
    box-shadow: 0 2px 8px var(--color-sombra);
    transition: border-color var(--transicion), box-shadow var(--transicion);
    outline: none;
    color: var(--color-secundario);
}

.buscador:focus {
    border-color: var(--color-primario);
    box-shadow: 0 0 0 3px rgba(251, 98, 101, 0.18);
}

.buscador::placeholder {
    color: var(--color-terciario);
}

/* ===============================
   SECCIÓN TIENDA
================================= */
.section_tienda {
    display: grid;
    grid-template-columns: 260px 1fr;
    gap: 24px;
    width: 100%;
    max-width: 1340px;
}

/* ===============================
   FILTROS
================================= */
.section_filtre {
    background: var(--color-fondo);
    padding: 22px 18px;
    border-radius: var(--radio);
    box-shadow: 0 2px 12px var(--color-sombra);
    position: sticky;
    top: 20px;
    align-self: start;
    border: 1px solid var(--color-neutral);
}

.section_filtre h1 {
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 16px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--color-primario);
    color: var(--color-secundario);
}

.section_filtre label {
    font-size: 0.82rem;
    font-weight: 600;
    margin-bottom: 6px;
    display: block;
    color: var(--color-terciario);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.valores {
    width: 100%;
    padding: 9px 10px;
    margin-bottom: 14px;
    border: 1.5px solid var(--color-neutral);
    border-radius: var(--radio-sm);
    background: #fafafa;
    font-size: 0.9rem;
    color: var(--color-secundario);
    transition: border-color var(--transicion);
    outline: none;
    cursor: pointer;
}

.valores:focus {
    border-color: var(--color-primario);
}

.contenedor_precios {
    display: flex;
    gap: 8px;
}

.contenedor_precios .valores {
    flex: 1;
}

/* ===============================
   BARRA DE RESULTADOS
================================= */
.barra_resultados {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 14px;
    min-height: 28px;
}

.feedback_resultados {
    font-size: 0.88rem;
    color: var(--color-terciario);
    padding: 4px 12px;
    border-radius: 50px;
    background: var(--color-fondo);
    border: 1px solid var(--color-neutral);
    transition: opacity var(--transicion);
}

.feedback_resultados strong {
    color: var(--color-secundario);
    font-weight: 700;
}

.feedback_resultados.cargando {
    opacity: 0.5;
    font-style: italic;
}

.feedback_resultados.sin_resultados {
    color: var(--color-primario-d);
    border-color: #f5c6cb;
    background: #fff5f5;
}

/* ===============================
   COLUMNA DERECHA
================================= */
.columna_productos {
    display: flex;
    flex-direction: column;
}

/* ===============================
   GRID DE PRODUCTOS
================================= */
.productos {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
    gap: 20px;
    align-content: start;
}

/* ── Tarjeta ── */
.producto {
    background: var(--color-fondo);
    border-radius: var(--radio);
    border: 1px solid var(--color-neutral);
    box-shadow: 0 2px 8px var(--color-sombra);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    transition: transform var(--transicion), box-shadow var(--transicion);
}

.producto:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 20px var(--color-sombra-hover);
}

/* Link envolvente */
.producto-link {
    text-decoration: none;
    color: inherit;
    display: contents;
}

/* Imagen */
.producto-imagen-wrap {
    width: 100%;
    aspect-ratio: 1 / 1;
    overflow: hidden;
    background: #f9f9f9;
    display: flex;
    align-items: center;
    justify-content: center;
}

.producto-imagen-wrap img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    transition: transform 0.35s ease;
}

.producto:hover .producto-imagen-wrap img {
    transform: scale(1.04);
}

/* Info */
.producto-info {
    padding: 12px 14px 6px;
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.producto-nombre {
    font-size: 0.88rem;
    font-weight: 600;
    line-height: 1.3;
    color: var(--color-secundario);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* Referencia / SKU */
.producto-ref {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 0.75rem;
}

.producto-ref-label {
    font-weight: 600;
    color: var(--color-terciario);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.producto-ref-valor {
    font-family: 'Courier New', monospace;
    color: var(--color-secundario);
    background: #f3f4f6;
    padding: 1px 6px;
    border-radius: 4px;
    border: 1px solid var(--color-neutral);
}

.producto-ref-vacio {
    color: #9ca3af;
    font-style: italic;
}

/* Calificaciones */
.producto-calificaciones {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 0.75rem;
}

.producto-calificaciones__texto {
    color: var(--color-terciario);
}

.precio {
    font-size: 1rem;
    font-weight: 700;
    color: var(--color-primario);
    margin-top: 2px;
}

/* Acciones (dos botones) */
.producto-acciones {
    padding: 8px 14px 14px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
}

.producto-acciones form {
    padding: 0;
    margin: 0;
}

/* Link de imagen */
.producto-img-link {
    display: block;
    text-decoration: none;
}

/* Botón base */
.carrito-bnt {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 5px;
    padding: 9px 10px;
    border: none;
    border-radius: var(--radio-sm);
    font-size: 0.82rem;
    font-weight: 600;
    cursor: pointer;
    transition: background var(--transicion), transform var(--transicion), box-shadow var(--transicion);
}

.carrito-bnt:active { transform: scale(0.97); }

/* Agregar — outline */
.carrito-bnt--agregar {
    background: transparent;
    color: var(--color-primario);
    border: 1.5px solid var(--color-primario);
    box-shadow: none;
}

.carrito-bnt--agregar:hover {
    background: rgba(251, 98, 101, 0.07);
}

/* Comprar — sólido */
.carrito-bnt--comprar {
    background: var(--color-primario);
    color: #fff;
    border: 1.5px solid var(--color-primario);
    box-shadow: 0 2px 6px rgba(251, 98, 101, 0.3);
}

.carrito-bnt--comprar:hover {
    background: var(--color-primario-d);
    border-color: var(--color-primario-d);
    box-shadow: 0 4px 12px rgba(251, 98, 101, 0.4);
}

/* ===============================
   SKELETON LOADER
================================= */
.skeleton-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
    gap: 20px;
    width: 100%;
}

.skeleton-card {
    background: var(--color-fondo);
    border-radius: var(--radio);
    border: 1px solid var(--color-neutral);
    overflow: hidden;
    padding-bottom: 14px;
}

.skeleton-img {
    width: 100%;
    aspect-ratio: 1 / 1;
}

.skeleton-line {
    height: 14px;
    border-radius: 6px;
    margin: 12px 14px 0;
}

.skeleton-line.corta {
    width: 50%;
    margin-top: 8px;
}

.skeleton-btn {
    height: 38px;
    border-radius: var(--radio-sm);
    margin: 12px 14px 0;
}

.skeleton-img,
.skeleton-line,
.skeleton-btn {
    animation: shimmer 1.4s infinite linear;
    background: linear-gradient(90deg, var(--color-neutral) 25%, #ebebeb 50%, var(--color-neutral) 75%);
    background-size: 200% 100%;
}

@keyframes shimmer {
    0%   { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* ===============================
   SIN PRODUCTOS
================================= */
.sin-productos {
    grid-column: 1 / -1;
    text-align: center;
    padding: 3rem 1rem;
    color: var(--color-terciario);
    font-size: 1rem;
}

.empty-state {
    grid-column: 1 / -1;
    width: 100%;
    min-height: 320px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
    text-align: center;
    padding: 3rem 1.5rem;
    background: var(--color-fondo);
    border: 1px solid var(--color-neutral);
    border-radius: var(--radio);
    box-shadow: 0 2px 12px var(--color-sombra);
}

.empty-state__eyebrow {
    font-size: 0.76rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-primario);
}

.empty-state h2 {
    max-width: 620px;
    font-size: 1.35rem;
    line-height: 1.3;
    color: var(--color-secundario);
}

.empty-state__text {
    max-width: 560px;
    color: var(--color-terciario);
    line-height: 1.55;
}

.empty-state__actions,
.empty-state__categories {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 8px;
}

.empty-state__categories {
    margin-top: 8px;
}

.empty-state__categories span {
    width: 100%;
    font-size: 0.82rem;
    font-weight: 700;
    color: var(--color-terciario);
}

.empty-state__button,
.empty-state__chip {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 36px;
    padding: 8px 14px;
    border-radius: var(--radio-sm);
    font-size: 0.88rem;
    font-weight: 700;
    text-decoration: none;
    transition: background var(--transicion), border-color var(--transicion), color var(--transicion);
}

.empty-state__button--primary {
    background: var(--color-primario);
    border: 1.5px solid var(--color-primario);
    color: #fff;
}

.empty-state__button--primary:hover {
    background: var(--color-primario-d);
    border-color: var(--color-primario-d);
}

.empty-state__chip {
    background: #fafafa;
    border: 1px solid var(--color-neutral);
    color: var(--color-secundario);
}

.empty-state__chip:hover {
    border-color: var(--color-primario);
    color: var(--color-primario-d);
}

/* ===============================
   PAGINACIÓN
================================= */
.paginacion {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 6px;
    padding: 2rem 0 0.5rem;
    flex-wrap: wrap;
    width: 100%;
    max-width: 1340px;
}

.pag-btn {
    min-width: 38px;
    height: 38px;
    padding: 0 12px;
    border: 1.5px solid var(--color-neutral);
    border-radius: var(--radio-sm);
    background: var(--color-fondo);
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-secundario);
    transition: background var(--transicion), border-color var(--transicion), box-shadow var(--transicion);
    box-shadow: 0 1px 4px var(--color-sombra);
}

.pag-btn:hover:not(:disabled) {
    background: var(--color-primario);
    border-color: var(--color-primario-d);
    color: #fff;
    box-shadow: 0 2px 8px rgba(251, 98, 101, 0.3);
}

.pag-btn.pag-activo {
    background: var(--color-primario);
    border-color: var(--color-primario-d);
    color: #fff;
    font-weight: 700;
    cursor: default;
    box-shadow: 0 2px 8px rgba(251, 98, 101, 0.35);
}

.pag-btn:disabled,
.pag-btn.pag-deshabilitado {
    opacity: 0.35;
    cursor: not-allowed;
    box-shadow: none;
}

.pag-puntos {
    padding: 0 4px;
    font-size: 1rem;
    color: var(--color-terciario);
    line-height: 38px;
    user-select: none;
}

/* ===============================
   RESPONSIVIDAD
================================= */
@media screen and (max-width: 1024px) {
    .section_tienda {
        grid-template-columns: 220px 1fr;
        gap: 16px;
    }
    .buscador {
        font-size: 0.9rem;
        width: 350px;
        margin-right: 0;
    }

    

}

@media screen and (max-width: 768px) {
    .section_tienda {
        grid-template-columns: 1fr;
    }

    .section_filtre {
        position: relative;
        top: 0;
    }

    .productos,
    .skeleton-grid {
        grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    }
}

@media screen and (max-width: 480px) {
    .contenido_pagina {
        padding: 0 0.75rem 2rem;
    }

    .buscador {
        font-size: 0.9rem;
        width: 350px;
        margin-right: 0;
    }

    .productos,
    .skeleton-grid {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    .producto {
        display: grid;
        grid-template-columns: 1fr;
        grid-template-areas:
            "imagen"
            "info"
            "acciones";
        align-items: stretch;
    }

    .producto-img-link {
        grid-area: imagen;
    }

    .producto-imagen-wrap {
        width: 100%;
        height: clamp(150px, 42vw, 190px);
        aspect-ratio: auto;
        border-right: 0;
        border-bottom: 1px solid var(--color-neutral);
    }

    .producto-imagen-wrap img {
        width: 100%;
        height: 100%;
        object-fit: cover;
    }

    .producto-info {
        grid-area: info;
        min-width: 0;
        padding: 12px 12px 4px;
        gap: 4px;
    }

    .producto-nombre {
        font-size: 0.86rem;
        line-height: 1.25;
    }

    .producto-ref,
    .producto-calificaciones {
        font-size: 0.7rem;
    }

    .producto-ref-valor {
        max-width: 100%;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }

    .precio {
        font-size: 0.95rem;
    }

    .producto-acciones {
        grid-area: acciones;
        align-self: end;
        padding: 8px 12px 12px;
        gap: 6px;
    }

    .carrito-bnt {
        min-height: 34px;
        font-size: 0.74rem;
        padding: 7px 6px;
    }

    .carrito-bnt svg {
        display: none;
    }
}

@media screen and (max-width: 360px) {
    .producto {
        grid-template-columns: 1fr;
    }

    .producto-imagen-wrap {
        height: 140px;
    }

    .producto-acciones {
        grid-template-columns: 1fr;
    }
}