/**
 * Filtro de neumáticos VRImport — v1.2
 * Diseño negro/rojo de marca. Especificidad alta para ganar
 * a Hello Elementor y a los estilos por defecto de WooCommerce.
 */

/* ══════════════════════════════════════════
   VARIABLES Y BASE
   ══════════════════════════════════════════ */
#fn-filtro {
    --rojo:        #e8000a;
    --rojo-hover:  #ff1a24;
    --rojo-glow:   rgba(232, 0, 10, .35);
    --negro:       #0a0a0a;
    --carbon:      #111113;
    --borde:       #232326;
    --blanco:      #ffffff;
    --gris-claro:  rgba(255, 255, 255, .72);
    --gris-suave:  rgba(255, 255, 255, .45);

    font-family: 'Montserrat', -apple-system, sans-serif;
    max-width: 1300px;
    margin: 0 auto;
    padding: 8px 0 48px;
    color: var(--blanco);
}

#fn-filtro *,
#fn-filtro *::before,
#fn-filtro *::after {
    box-sizing: border-box;
}

/* ══════════════════════════════════════════
   PANEL DE FILTROS
   ══════════════════════════════════════════ */
#fn-filtro .fn-panel {
    background: linear-gradient(180deg, #141416 0%, var(--carbon) 100%);
    border: 1px solid var(--borde);
    border-top: 3px solid var(--rojo);
    border-radius: 16px;
    padding: 28px 28px 24px;
    display: grid;
    grid-template-columns: auto 1fr auto;
    gap: 36px;
    align-items: start;
    position: relative;
    overflow: hidden;
}

/* Marca de agua diagonal sutil */
#fn-filtro .fn-panel::after {
    content: '';
    position: absolute;
    top: -40%;
    right: -8%;
    width: 340px;
    height: 340px;
    background: radial-gradient(circle, rgba(232,0,10,.07) 0%, transparent 65%);
    pointer-events: none;
}

#fn-filtro .fn-grupo {
    margin: 0;
    min-width: 0;
}

#fn-filtro .fn-titulo {
    font-size: 11px !important;
    font-weight: 800 !important;
    text-transform: uppercase !important;
    letter-spacing: .18em !important;
    color: var(--rojo) !important;
    margin: 0 0 14px !important;
    padding: 0 !important;
    line-height: 1 !important;
    display: flex;
    align-items: center;
    gap: 8px;
}

#fn-filtro .fn-titulo::before {
    content: '';
    width: 14px;
    height: 2px;
    background: var(--rojo);
    border-radius: 1px;
}

/* ── Checkboxes personalizados ── */
#fn-filtro .fn-lista {
    list-style: none !important;
    margin: 0 !important;
    padding: 0 !important;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

#fn-filtro .fn-lista li {
    margin: 0 !important;
    padding: 0 !important;
    list-style: none !important;
}

#fn-filtro .fn-check {
    display: flex !important;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    font-size: 13.5px;
    font-weight: 600;
    color: var(--gris-claro) !important;
    margin: 0 !important;
    transition: color .2s ease;
    user-select: none;
}

#fn-filtro .fn-check:hover {
    color: var(--blanco) !important;
}

#fn-filtro .fn-check input[type="checkbox"] {
    appearance: none;
    -webkit-appearance: none;
    width: 18px;
    height: 18px;
    min-width: 18px;
    border: 1.5px solid #3a3a3e;
    border-radius: 5px;
    background: #0c0c0e;
    cursor: pointer;
    position: relative;
    margin: 0 !important;
    transition: border-color .2s ease, background .2s ease, box-shadow .2s ease;
}

#fn-filtro .fn-check input[type="checkbox"]:hover {
    border-color: var(--rojo);
}

#fn-filtro .fn-check input[type="checkbox"]:checked {
    background: var(--rojo);
    border-color: var(--rojo);
    box-shadow: 0 0 12px var(--rojo-glow);
}

#fn-filtro .fn-check input[type="checkbox"]:checked::after {
    content: '';
    position: absolute;
    left: 5px;
    top: 1.5px;
    width: 5px;
    height: 9px;
    border: solid #fff;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

#fn-filtro .fn-check input[type="checkbox"]:checked + span {
    color: var(--blanco);
}

#fn-filtro .fn-check span {
    color: inherit !important;
}

/* ── Tags de Aro ── */
#fn-filtro .fn-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    max-width: 460px;
}

#fn-filtro button.fn-tag {
    all: unset;
    box-sizing: border-box;
    font-family: inherit;
    border: 1.5px solid #3a3a3e;
    background: #0c0c0e;
    color: var(--gris-claro);
    border-radius: 8px;
    padding: 8px 14px;
    font-size: 13px;
    font-weight: 700;
    cursor: pointer;
    line-height: 1;
    transition: all .18s ease;
}

#fn-filtro button.fn-tag:hover {
    border-color: var(--rojo);
    color: var(--blanco);
    transform: translateY(-1px);
}

#fn-filtro button.fn-tag.activo {
    background: var(--rojo);
    border-color: var(--rojo);
    color: #fff;
    box-shadow: 0 4px 16px var(--rojo-glow);
}

/* ── Radios de posición ── */
#fn-filtro .fn-radio-group {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

#fn-filtro .fn-radio {
    display: flex !important;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    font-size: 13.5px;
    font-weight: 600;
    color: var(--gris-claro) !important;
    margin: 0 !important;
    transition: color .2s ease;
    user-select: none;
}

#fn-filtro .fn-radio:hover {
    color: var(--blanco) !important;
}

#fn-filtro .fn-radio input[type="radio"] {
    appearance: none;
    -webkit-appearance: none;
    width: 18px;
    height: 18px;
    min-width: 18px;
    border: 1.5px solid #3a3a3e;
    border-radius: 50%;
    background: #0c0c0e;
    cursor: pointer;
    position: relative;
    margin: 0 !important;
    transition: border-color .2s ease, box-shadow .2s ease;
}

#fn-filtro .fn-radio input[type="radio"]:hover {
    border-color: var(--rojo);
}

#fn-filtro .fn-radio input[type="radio"]:checked {
    border-color: var(--rojo);
    box-shadow: 0 0 12px var(--rojo-glow);
}

#fn-filtro .fn-radio input[type="radio"]:checked::after {
    content: '';
    position: absolute;
    inset: 3.5px;
    border-radius: 50%;
    background: var(--rojo);
}

#fn-filtro .fn-radio input[type="radio"]:checked + span {
    color: var(--blanco);
}

#fn-filtro .fn-radio span {
    color: inherit !important;
}

/* ── Botones de acción ── */
#fn-filtro .fn-acciones {
    grid-column: 1 / -1;
    display: flex;
    align-items: center;
    gap: 12px;
    margin-top: 4px;
    padding-top: 20px;
    border-top: 1px solid var(--borde);
}

#fn-filtro button.fn-btn-filtrar {
    all: unset;
    box-sizing: border-box;
    font-family: inherit;
    background: var(--rojo);
    color: #fff;
    padding: 13px 34px;
    border-radius: 9px;
    font-size: 12.5px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: .1em;
    cursor: pointer;
    line-height: 1;
    transition: background .2s ease, transform .15s ease, box-shadow .2s ease;
    box-shadow: 0 4px 18px var(--rojo-glow);
}

#fn-filtro button.fn-btn-filtrar:hover {
    background: var(--rojo-hover);
    transform: translateY(-1px);
    box-shadow: 0 6px 24px var(--rojo-glow);
}

#fn-filtro button.fn-btn-reset {
    all: unset;
    box-sizing: border-box;
    font-family: inherit;
    background: transparent;
    color: var(--gris-suave);
    border: 1.5px solid #3a3a3e;
    padding: 12px 26px;
    border-radius: 9px;
    font-size: 12.5px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: .1em;
    cursor: pointer;
    line-height: 1;
    transition: all .2s ease;
}

#fn-filtro button.fn-btn-reset:hover {
    border-color: var(--gris-claro);
    color: var(--blanco);
}

/* Contador de resultados */
#fn-filtro .fn-contador {
    margin-left: auto;
    font-size: 12.5px;
    font-weight: 700;
    color: var(--gris-suave);
    letter-spacing: .03em;
}

#fn-filtro .fn-contador strong {
    color: var(--rojo);
    font-weight: 900;
}

/* ══════════════════════════════════════════
   GRID DE RESULTADOS
   ══════════════════════════════════════════ */
#fn-filtro .fn-resultados {
    margin-top: 36px;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 22px;
}

/* ── Tarjeta de producto ── */
#fn-filtro .fn-producto {
    background: linear-gradient(180deg, #151517 0%, var(--carbon) 100%);
    border: 1px solid var(--borde);
    border-radius: 18px;
    overflow: hidden;
    padding: 16px 16px 20px;
    display: flex;
    flex-direction: column;
    position: relative;
    transition: transform .3s cubic-bezier(.165,.84,.44,1),
                border-color .3s ease,
                box-shadow .3s ease;
}

/* Línea roja superior que aparece al hover */
#fn-filtro .fn-producto::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 3px;
    background: var(--rojo);
    border-radius: 0 0 3px 3px;
    transition: width .35s cubic-bezier(.165,.84,.44,1);
}

#fn-filtro .fn-producto:hover {
    transform: translateY(-6px);
    border-color: rgba(232, 0, 10, .5);
    box-shadow: 0 20px 44px rgba(0, 0, 0, .55), 0 8px 28px var(--rojo-glow);
}

#fn-filtro .fn-producto:hover::before {
    width: 100%;
}

/* ── Imagen: siempre centrada sobre placa blanca ── */
#fn-filtro .fn-prod-img {
    display: flex !important;
    align-items: center;
    justify-content: center;
    background: #fff;
    border-radius: 12px;
    aspect-ratio: 1 / 1;
    margin-bottom: 18px;
    overflow: hidden;
    text-decoration: none !important;
}

#fn-filtro .fn-prod-img img {
    max-width: 82% !important;
    max-height: 82% !important;
    width: auto !important;
    height: auto !important;
    object-fit: contain;
    display: block;
    margin: 0 auto !important;
    transition: transform .4s cubic-bezier(.165,.84,.44,1);
}

#fn-filtro .fn-producto:hover .fn-prod-img img {
    transform: scale(1.07);
}

/* ── Info ── */
#fn-filtro .fn-prod-info {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 10px;
    flex: 1;
    padding: 0 4px;
}

#fn-filtro a.fn-prod-nombre {
    font-size: 13.5px !important;
    font-weight: 800 !important;
    color: var(--blanco) !important;
    text-decoration: none !important;
    line-height: 1.4 !important;
    text-transform: uppercase;
    letter-spacing: .015em;
    transition: color .2s ease;
    display: block;
}

#fn-filtro a.fn-prod-nombre:hover {
    color: var(--rojo-hover) !important;
}

#fn-filtro .fn-precio {
    font-size: 24px !important;
    font-weight: 900 !important;
    color: var(--rojo) !important;
    margin-top: 2px;
    line-height: 1;
    letter-spacing: -.01em;
}

#fn-filtro .fn-precio .woocommerce-Price-amount,
#fn-filtro .fn-precio bdi {
    color: var(--rojo) !important;
    font-weight: 900 !important;
}

#fn-filtro .fn-precio del,
#fn-filtro .fn-precio del bdi {
    font-size: 14px !important;
    font-weight: 600 !important;
    color: var(--gris-suave) !important;
    margin-right: 8px;
}

#fn-filtro .fn-precio ins {
    text-decoration: none !important;
    background: none !important;
}

/* ══════════════════════════════════════════
   BOTÓN AÑADIR AL CARRITO
   Especificidad extra + !important para ganarle
   a Hello Elementor y a woocommerce.css
   ══════════════════════════════════════════ */
#fn-filtro .fn-producto a.fn-btn-carrito.button,
#fn-filtro .fn-producto a.fn-btn-carrito {
    margin-top: auto !important;
    width: 100%;
    padding: 13px 16px !important;
    border: 1.5px solid var(--rojo) !important;
    border-radius: 10px !important;
    background: transparent !important;
    color: #fff !important;
    font-family: inherit !important;
    font-size: 11.5px !important;
    font-weight: 800 !important;
    text-transform: uppercase !important;
    letter-spacing: .09em !important;
    text-align: center;
    text-decoration: none !important;
    display: inline-block;
    cursor: pointer;
    line-height: 1 !important;
    position: relative;
    overflow: hidden;
    z-index: 1;
    transition: color .25s ease, box-shadow .25s ease !important;
}

/* Relleno rojo que barre de izquierda a derecha */
#fn-filtro .fn-producto a.fn-btn-carrito::after {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--rojo);
    transform: scaleX(0);
    transform-origin: left center;
    transition: transform .28s cubic-bezier(.165,.84,.44,1);
    z-index: -1;
}

#fn-filtro .fn-producto a.fn-btn-carrito:hover {
    color: #fff !important;
    box-shadow: 0 6px 20px var(--rojo-glow);
}

#fn-filtro .fn-producto a.fn-btn-carrito:hover::after {
    transform: scaleX(1);
}

/* Estados de WooCommerce (loading / added) */
#fn-filtro .fn-producto a.fn-btn-carrito.loading {
    opacity: .55;
    pointer-events: none;
}

#fn-filtro .fn-producto a.fn-btn-carrito.loading::before {
    content: '';
    display: inline-block;
    width: 12px;
    height: 12px;
    margin-right: 8px;
    border: 2px solid rgba(255,255,255,.3);
    border-top-color: #fff;
    border-radius: 50%;
    vertical-align: -2px;
    animation: fn-spin .7s linear infinite;
}

@keyframes fn-spin {
    to { transform: rotate(360deg); }
}

#fn-filtro .fn-producto a.fn-btn-carrito.added {
    background: var(--rojo) !important;
}

#fn-filtro .fn-producto a.fn-btn-carrito.added::before {
    content: '✓ ';
}

/* Ocultar el link "Ver carrito" que WooCommerce inyecta tras añadir */
#fn-filtro .fn-producto a.added_to_cart {
    display: none !important;
}

/* ══════════════════════════════════════════
   SKELETON DE CARGA
   ══════════════════════════════════════════ */
#fn-filtro .fn-skeleton {
    background: linear-gradient(180deg, #151517 0%, var(--carbon) 100%);
    border: 1px solid var(--borde);
    border-radius: 18px;
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

#fn-filtro .fn-skeleton .sk-img {
    aspect-ratio: 1 / 1;
    border-radius: 12px;
    background: linear-gradient(100deg, #1c1c1f 30%, #26262a 50%, #1c1c1f 70%);
    background-size: 200% 100%;
    animation: fn-shimmer 1.3s ease-in-out infinite;
}

#fn-filtro .fn-skeleton .sk-linea {
    height: 13px;
    border-radius: 6px;
    background: linear-gradient(100deg, #1c1c1f 30%, #26262a 50%, #1c1c1f 70%);
    background-size: 200% 100%;
    animation: fn-shimmer 1.3s ease-in-out infinite;
}

#fn-filtro .fn-skeleton .sk-linea.corta { width: 55%; margin: 0 auto; }
#fn-filtro .fn-skeleton .sk-linea.precio { width: 40%; height: 22px; margin: 0 auto; }
#fn-filtro .fn-skeleton .sk-linea.boton { height: 40px; border-radius: 10px; margin-top: 6px; }

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

/* ── Sin resultados ── */
#fn-filtro .fn-sin-resultados {
    grid-column: 1 / -1;
    text-align: center;
    padding: 64px 24px;
    color: var(--gris-suave) !important;
    font-size: 15px;
    font-weight: 600;
    background: var(--carbon);
    border: 1px dashed #3a3a3e;
    border-radius: 16px;
    margin: 0;
}

/* ══════════════════════════════════════════
   RESPONSIVE
   ══════════════════════════════════════════ */
@media (max-width: 1100px) {
    #fn-filtro .fn-panel {
        grid-template-columns: 1fr 1fr;
        gap: 28px;
    }
    #fn-filtro .fn-resultados {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 820px) {
    #fn-filtro .fn-resultados {
        grid-template-columns: repeat(2, 1fr);
        gap: 14px;
    }
}

@media (max-width: 640px) {
    #fn-filtro {
        padding: 8px 4px 40px;
    }
    #fn-filtro .fn-panel {
        grid-template-columns: 1fr;
        gap: 24px;
        padding: 22px 18px 20px;
    }
    #fn-filtro .fn-acciones {
        flex-wrap: wrap;
    }
    #fn-filtro .fn-contador {
        margin-left: 0;
        width: 100%;
        margin-top: 6px;
    }
    #fn-filtro button.fn-btn-filtrar,
    #fn-filtro button.fn-btn-reset {
        flex: 1;
        text-align: center;
    }
    #fn-filtro .fn-producto {
        padding: 10px 10px 14px;
    }
    #fn-filtro a.fn-prod-nombre {
        font-size: 12px !important;
    }
    #fn-filtro .fn-precio {
        font-size: 19px !important;
    }
    #fn-filtro .fn-producto a.fn-btn-carrito {
        padding: 11px 10px !important;
        font-size: 10.5px !important;
    }
}

/* Respeto por reduced motion */
@media (prefers-reduced-motion: reduce) {
    #fn-filtro *,
    #fn-filtro *::before,
    #fn-filtro *::after {
        animation: none !important;
        transition: none !important;
    }
}