/* --- GALERÍA MASONRY FILEBIRD --- */
/* Estilos del shortcode [galeria_masonry]. Responsive optimizado a 480px. */

/* Root por instancia: envuelve el wrapper y su lightbox. */
.fb-galeria-root {
    width: 100%;
}
.masonry-galeria-fb-wrapper {
    width: 100%;
    position: relative;
}
.masonry-fb-page-block {
    width: 100%;
    margin-bottom: 0;
}

/* Item base (común a ambas disposiciones). */
.masonry-item-fb {
    width: 100%;
    position: relative;
    overflow: hidden;
    border-radius: 0px;
    /* Fade-in suave: cada card empieza invisible y aparece cuando su imagen
       termina de cargar (el JS añade .fb-visible). El transform no afecta al
       layout, así que no descoloca las columnas masonry ni la cuadrícula. */
    opacity: 0;
    transform: translateY(12px);
    transition: opacity 0.6s ease, transform 0.6s ease;
    will-change: opacity, transform;
}
.masonry-item-fb.fb-visible {
    opacity: 1;
    transform: none;
}
/* Si el usuario prefiere menos movimiento, solo fundido sin desplazamiento. */
@media (prefers-reduced-motion: reduce) {
    .masonry-item-fb {
        transform: none;
        transition: opacity 0.4s ease;
    }
}
.masonry-item-fb img {
    width: 100%;
    display: block;
    transition: opacity 0.3s ease;
    cursor: pointer;
}

/* --- Variante GRID (por defecto): tiles uniformes recortados y alineados --- */
/* Cada bloque de página es su propia cuadrícula; como todos los tiles tienen la
   misma proporción, los bloques encadenados (scroll infinito) no dejan costura. */
.masonry-galeria-fb-wrapper.style-grid .masonry-fb-page-block {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 15px;
    margin-bottom: 15px;
}
.masonry-galeria-fb-wrapper.style-grid .masonry-item-fb {
    aspect-ratio: 1 / 1;
}
.masonry-galeria-fb-wrapper.style-grid .masonry-item-fb img {
    height: 100%;
    object-fit: cover;
}

/* --- Variante MASONRY: columnas reales gestionadas por JS, proporción real --- */
/* No se usan columnas CSS (column-count) porque el navegador reequilibra TODAS
   las columnas en cada carga AJAX y las fotos ya colocadas saltan/reflujan. En su
   lugar, el JS crea contenedores .masonry-col y añade cada foto nueva a la columna
   más corta (solo append): las fotos existentes nunca se mueven. */
.masonry-galeria-fb-wrapper.style-masonry {
    display: flex;
    align-items: flex-start;
    gap: 15px;
}
.masonry-galeria-fb-wrapper.style-masonry .masonry-col {
    flex: 1 1 0;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 15px;
}
.masonry-galeria-fb-wrapper.style-masonry .masonry-item-fb img {
    height: auto;
}
.masonry-item-fb:hover img {
    opacity: 0.85;
}

/* Botón de la card */
.fb-list-download-btn {
    position: absolute;
    bottom: 15px;
    right: 15px;
    background: #000000 !important;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none !important;
    border-radius: 50% !important;
    opacity: 0;
    transition: opacity 0.25s ease, background-color 0.25s ease, transform 0.25s ease;
    z-index: 10;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
    padding: 0;
}
.fb-list-download-btn svg {
    width: 18px;
    height: 18px;
    fill: #ffffff !important;
    display: block;
}
.fb-list-download-btn:hover {
    background-color: #333333 !important;
    transform: scale(1.05);
}
.masonry-item-fb:hover .fb-list-download-btn {
    opacity: 1;
}

/* --- VISTA PREVIA EN EL EDITOR DE ELEMENTOR --- */
/* En el editor se renderiza la página 1 en el servidor y NO se carga el JS (sin
   AJAX, sin scroll infinito, sin lightbox). Como el fade-in y las columnas masonry
   dependían del JS, aquí forzamos la visibilidad de las cards y damos un layout
   estático (columnas CSS en masonry) solo para que se vea cómo queda. */
.masonry-galeria-fb-wrapper.fb-editor-preview .masonry-item-fb {
    opacity: 1;
    transform: none;
}
.masonry-galeria-fb-wrapper.style-masonry.fb-editor-preview {
    display: block;
}
.masonry-galeria-fb-wrapper.style-masonry.fb-editor-preview .masonry-fb-page-block {
    column-count: 4;
    column-gap: 15px;
}
.masonry-galeria-fb-wrapper.style-masonry.fb-editor-preview .masonry-item-fb {
    break-inside: avoid;
    margin-bottom: 15px;
}
@media (max-width: 900px) {
    .masonry-galeria-fb-wrapper.style-masonry.fb-editor-preview .masonry-fb-page-block { column-count: 3; }
}
@media (max-width: 650px) {
    .masonry-galeria-fb-wrapper.style-masonry.fb-editor-preview .masonry-fb-page-block { column-count: 2; }
}
@media (max-width: 480px) {
    .masonry-galeria-fb-wrapper.style-masonry.fb-editor-preview .masonry-fb-page-block { column-count: 1; }
}

/* --- SKELETON DE CARGA --- */
/* Placeholders que se pintan mientras cada tanda AJAX está en vuelo, en lugar de
   un spinner. El JS los inyecta (fbShowSkeletons) y los retira al llegar las
   fotos. El shimmer recorre un degradado para dar sensación de carga. */
.fb-skeleton {
    width: 100%;
    border-radius: 0px;
    background: linear-gradient(90deg, #ececec 25%, #f5f5f5 37%, #ececec 63%);
    background-size: 400% 100%;
    animation: fb-skeleton-shimmer 1.4s ease infinite;
}
/* En grid heredan la cuadrícula (van en su propio .masonry-fb-page-block) y son
   cuadrados, igual que los tiles reales. */
.masonry-galeria-fb-wrapper.style-grid .fb-skeleton {
    aspect-ratio: 1 / 1;
}
/* En masonry se reparten por columnas; alturas variadas para simular la mezcla
   de proporciones reales (nth-child se reinicia por columna). */
.masonry-galeria-fb-wrapper.style-masonry .fb-skeleton {
    height: 220px;
}
.masonry-galeria-fb-wrapper.style-masonry .fb-skeleton:nth-child(3n) {
    height: 300px;
}
.masonry-galeria-fb-wrapper.style-masonry .fb-skeleton:nth-child(3n + 1) {
    height: 170px;
}
@keyframes fb-skeleton-shimmer {
    0%   { background-position: 100% 0; }
    100% { background-position: 0 0; }
}
/* Respeta la preferencia de menos movimiento: sin shimmer, solo el gris. */
@media (prefers-reduced-motion: reduce) {
    .fb-skeleton { animation: none; }
}

/* --- LIGHTBOX --- */
.fb-lightbox {
    display: none;
    position: fixed;
    z-index: 999999;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(255, 255, 255, 0.75);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    justify-content: center;
    align-items: center;
    flex-direction: column;
    user-select: none;
}
.fb-lightbox.active {
    display: flex;
}
.fb-lightbox-content-wrapper {
    position: relative;
    width: 85%;
    height: 70vh;
    display: flex;
    justify-content: center;
    align-items: center;
}
.fb-lightbox-img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    border-radius: 0px;
    box-shadow: 0 15px 50px rgba(0,0,0,0.08);
    opacity: 0;
    z-index: 10;
    transition: opacity 0.3s ease, transform 0.3s cubic-bezier(0.4, 0, 0.2, 1), max-width 0.3s ease, max-height 0.3s ease;
    --fb-rotate: 0deg;
    transform: rotate(var(--fb-rotate));
}
.fb-lightbox-img.loaded {
    opacity: 1;
}

/* Ajuste de escala automático para posiciones verticales */
.fb-lightbox-img.fb-is-rotated-vertical {
    max-width: 65vh;
    max-height: 80vw;
}

/* Visibilidad de controles */
.fb-nav-arrow, .fb-lightbox-close, .fb-lightbox-actions-bar {
    opacity: 0 !important;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease, transform 0.2s;
    z-index: 100;
}
.fb-lightbox.controls-ready .fb-nav-arrow {
    display: block;
    visibility: visible;
    opacity: 0.5 !important;
}
.fb-lightbox.controls-ready .fb-nav-arrow:hover {
    opacity: 1 !important;
    transform: translateY(-50%) scale(1.05);
}
.fb-lightbox.controls-ready .fb-lightbox-close {
    visibility: visible;
    opacity: 0.5 !important;
}
.fb-lightbox.controls-ready .fb-lightbox-close:hover {
    opacity: 1 !important;
}
.fb-lightbox.controls-ready .fb-lightbox-actions-bar {
    visibility: visible;
    opacity: 1 !important;
}

/* Flechas en versión Escritorio */
.fb-nav-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    color: #000000 !important;
    font-size: 60px;
    font-weight: 300;
    cursor: pointer;
    padding: 10px;
    background: transparent !important;
    text-decoration: none;
}
.fb-arrow-left { left: -80px; }
.fb-arrow-right { right: -80px; }

.fb-lightbox-close {
    position: absolute;
    top: -50px;
    right: 0;
    color: #000000 !important;
    font-size: 40px;
    font-weight: 300;
    cursor: pointer;
}

/* Barra de acciones inferior */
.fb-lightbox-actions-bar {
    margin-top: 25px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.fb-lightbox-btn-download, .fb-lightbox-btn-rotate, .fb-mobile-arrow {
    background-color: transparent !important;
    color: #000000 !important;
    text-decoration: none !important;
    border: 1px solid #000000 !important;
    font-family: sans-serif;
    font-size: 13px;
    text-transform: uppercase;
    font-weight: normal;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background-color 0.25s ease, color 0.25s ease;
}

.fb-lightbox-btn-download {
    padding: 14px 32px;
    letter-spacing: 2px;
}

.fb-lightbox-btn-rotate, .fb-mobile-arrow {
    width: 47px;
    height: 47px;
    padding: 0;
}
.fb-lightbox-btn-rotate svg, .fb-mobile-arrow svg {
    width: 18px;
    height: 18px;
    fill: #000000;
    transition: fill 0.25s ease;
}

.fb-mobile-arrow {
    display: none;
}

.fb-lightbox-btn-download:hover, .fb-lightbox-btn-rotate:hover, .fb-mobile-arrow:hover {
    background-color: #000000 !important;
    color: #ffffff !important;
}
.fb-lightbox-btn-rotate:hover svg, .fb-mobile-arrow:hover svg {
    fill: #ffffff;
}

.fb-loader {
    position: absolute;
    width: 30px;
    height: 30px;
    border: 2px solid rgba(0,0,0,0.1);
    border-top-color: #000;
    border-radius: 50%;
    animation: fb-spin 0.8s linear infinite;
    z-index: 1;
}
@keyframes fb-spin { to { transform: rotate(360deg); } }

/* --- RESPONSIVE GENERAL --- */
@media (max-width: 900px) {
    .masonry-galeria-fb-wrapper.style-grid .masonry-fb-page-block { grid-template-columns: repeat(3, 1fr); }
    .fb-nav-arrow { display: none !important; }

    .fb-lightbox.controls-ready .fb-mobile-arrow {
        display: inline-flex;
        visibility: visible;
        opacity: 1 !important;
    }

    .fb-lightbox-close {
        right: 20px;
        top: 20px;
        position: fixed;
        font-size: 35px;
    }

    .fb-list-download-btn { opacity: 1; width: 38px; height: 38px; }
    .fb-list-download-btn svg { width: 15px; height: 15px; }

    .fb-lightbox-content-wrapper {
        height: 55vh;
        width: 90%;
    }
    .fb-lightbox-img.fb-is-rotated-vertical { max-width: 45vh; }

    /* Botonera adaptada con fondo blanco e inversión de contraste para fotos oscuras */
    .fb-lightbox-actions-bar {
        margin-top: 20px;
        width: 90%;
        max-width: 400px;
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 8px;
        grid-template-areas:
            "down down down down"
            "prev rotL rotR next";
    }
    .fb-lightbox-btn-download, .fb-lightbox-btn-rotate, .fb-mobile-arrow {
        background-color: #ffffff !important; /* Fondo blanco sólido para destacar sobre fotos oscuras */
        box-shadow: 0 4px 10px rgba(0,0,0,0.1);
    }
    .fb-lightbox-actions-bar .fb-lightbox-btn-download { grid-area: down; width: 100%; padding: 12px 0; }
    .fb-bar-prev { grid-area: prev; width: 100%; }
    .fb-bar-rotL { grid-area: rotL; width: 100%; }
    .fb-bar-rotR { grid-area: rotR; width: 100%; }
    .fb-bar-next { grid-area: next; width: 100%; }
}

@media (max-width: 650px) {
    .masonry-galeria-fb-wrapper.style-grid .masonry-fb-page-block { grid-template-columns: repeat(2, 1fr); }
}

/* CORTE RECOMENDADO (480px): Una foto por fila en smartphones estándar */
@media (max-width: 480px) {
    .masonry-galeria-fb-wrapper.style-grid .masonry-fb-page-block { grid-template-columns: repeat(1, 1fr); }
}