/**
 * BW Presentation Slide Widget Styles
 * Supporta: layout horizontal (Embla), layout vertical (elevator + Embla responsive)
 * Stili base Embla (viewport/container) → bw-embla-core.css
 */

/* ========================================
   WRAPPER & COMUNE
   ======================================== */
.bw-ps-wrapper {
    position: relative;
    width: 100%;
    transition: opacity 0.5s ease;
}

.bw-ps-image {
    position: relative;
    overflow: hidden;
    /* Keep the wrapper transparent so PNG alpha remains visible. */
    background-color: transparent;
}

/* Shimmer skeleton: animated gradient while image downloads */
.bw-ps-image::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(
        90deg,
        transparent      0%,
        rgba(255,255,255,0.55) 50%,
        transparent      100%
    );
    background-size: 200% 100%;
    animation: bw-ps-shimmer 1.4s infinite linear;
    z-index: 1;
    pointer-events: none;
}

/* Hide shimmer once image has loaded (modern browsers using :has()) */
.bw-ps-image:has(img.is-loaded)::before {
    display: none;
}

/* Fallback for older browsers: class on container set by JS */
.bw-ps-image.is-loaded::before {
    display: none;
}

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

/* Respect user's motion preferences */
@media (prefers-reduced-motion: reduce) {
    .bw-ps-image::before {
        animation: none;
    }
}

/* Images use .bw-embla-img class from bw-embla-core.css for fade-in;
   here we add cosmetic rules only */
.bw-ps-image img {
    display: block;
    width: 100%;
    height: auto;
    transition: transform 0.3s ease;
    /* Ensure image appears above the shimmer ::before pseudo-element */
    position: relative;
    z-index: 2;
}

.bw-ps-image-clickable {
    cursor: pointer;
}

/* ========================================
   LAYOUT HORIZONTAL
   ======================================== */
.bw-ps-horizontal {
    position: relative;
    width: 100%;
}

/* Il viewport Embla occupa tutto lo spazio */
.bw-ps-embla-viewport {
    width: 100%;
}

/* Slide: dimensione di default 100% — override via breakpoint CSS inline in PHP */
.bw-ps-slide {
    padding: 10px;
    outline: none;
    /* flex size viene impostato dal <style> inline generato dal PHP per breakpoint */
}

/* ========================================
   FRECCE DI NAVIGAZIONE
   ======================================== */
.bw-ps-arrows-container {
    position: absolute;
    bottom: 20px;
    right: 20px;
    display: flex;
    gap: 10px;
    z-index: 10;
    flex-direction: row;
    align-items: center;
}

.bw-ps-arrow {
    /* Reset stili Elementor */
    background: none !important;
    background-color: transparent !important;
    border: none !important;
    box-shadow: none !important;
    outline: none !important;

    color: #000;
    cursor: pointer;
    padding: 10px;
    transition: opacity 0.3s ease;
    user-select: none;
    border-radius: 0;
    text-shadow: none;
    font-weight: normal;
    line-height: 1;
    text-decoration: none;
    /* Allinea l'SVG al centro del bottone */
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.bw-ps-arrow svg {
    display: block;
    width: 24px;
    height: 24px;
    flex-shrink: 0;
    /* Ereditano color dal bottone per il controllo colore di Elementor */
    stroke: currentColor;
}

.bw-ps-arrow:hover,
.bw-ps-arrow:focus,
.bw-ps-arrow:active {
    background: none !important;
    background-color: transparent !important;
    border: none !important;
    box-shadow: none !important;
}

.bw-ps-arrow:hover  { opacity: 0.7; }
.bw-ps-arrow:focus  { outline: 2px solid currentColor; outline-offset: 2px; }

.bw-ps-arrow:disabled {
    opacity: 0.3;
    cursor: default;
}

/* ========================================
   DOTS (PAGINAZIONE)
   ======================================== */
.bw-ps-dots-container {
    position: absolute;
    bottom: -25px;
    left: 0;
    right: 0;
    display: flex;
    z-index: 10;
    pointer-events: none;
}

.bw-ps-dots-container .bw-ps-dots-list {
    pointer-events: auto;
}

/* Allineamento dots */
.bw-ps-dots-left   { justify-content: flex-start; padding-left: 20px; }
.bw-ps-dots-center { justify-content: center; }
.bw-ps-dots-right  { justify-content: flex-end; padding-right: 20px; }

/* ========================================
   MODALITÀ ALTEZZA IMMAGINI
   ======================================== */

/* Fixed Height: altezza fissa, larghezza auto */
.bw-ps-horizontal.bw-ps-height-fixed .bw-ps-image img {
    width: auto;
}

/* Contain: adatta l'immagine entro dimensioni fisse */
.bw-ps-horizontal.bw-ps-height-contain .bw-ps-image img {
    object-fit: contain;
    object-position: center;
}

/* Cover: riempie le dimensioni fisse (possibile crop) */
.bw-ps-horizontal.bw-ps-height-cover .bw-ps-image img {
    object-fit: cover;
    object-position: center;
}

/* ========================================
   LAYOUT VERTICAL — DESKTOP (elevator)
   ======================================== */
.bw-ps-vertical {
    display: flex;
    gap: 20px;
    width: 100%;
}

.bw-ps-thumbnails {
    flex: 0 0 150px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    overflow-y: auto;
    max-height: 800px;
}

.bw-ps-thumb {
    cursor: pointer;
    opacity: 0.6;
    transition: opacity 0.3s ease;
    border: 2px solid transparent;
}

.bw-ps-thumb:hover,
.bw-ps-thumb.active {
    opacity: 1;
    border-color: #000;
}

.bw-ps-thumb img {
    display: block;
    width: 100%;
    height: auto;
}

.bw-ps-main-images {
    flex: 1;
    overflow-y: auto;
    max-height: 800px;
    scroll-behavior: smooth;
}

.bw-ps-main-image {
    margin-bottom: 20px;
}

.bw-ps-main-image:last-child {
    margin-bottom: 0;
}

/* ========================================
   LAYOUT VERTICAL — RESPONSIVE (Embla)
   ======================================== */
.bw-ps-vertical-responsive {
    width: 100%;
}

/* Main viewport */
.bw-ps-main-viewport {
    margin-bottom: 15px;
}

.bw-ps-slide-main {
    outline: none;
}

.bw-ps-slide-main img {
    display: block;
    width: 100%;
    height: auto;
}

.bw-ps-slide-thumb {
    padding: 5px;
    cursor: pointer;
    outline: none;
    opacity: 0.6;
    transition: opacity 0.3s ease;
}

.bw-ps-slide-thumb.is-active {
    opacity: 1;
}

.bw-ps-slide-thumb img {
    display: block;
    width: 100%;
    height: auto;
}

/* ========================================
   POPUP / MODAL
   ======================================== */
.bw-ps-popup-overlay {
    --bw-ps-popup-header-height: 0px;
    --bw-ps-popup-body-pad-top: 40px;
    --bw-ps-popup-body-pad-bottom: 40px;
    position: fixed;
    inset: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(255, 255, 255, 0.95);
    z-index: 99999;
    overflow-y: auto;
    /* iOS Safari: enables momentum scrolling inside a fixed container */
    -webkit-overflow-scrolling: touch;
    /* Prevent scroll from propagating to the page behind the modal */
    overscroll-behavior: contain;

    /*
     * Visibility-based show/hide — never toggling display.
     *
     * display:none → display:block + CSS transition is broken on Safari:
     * the browser discards the element's opacity state when it is display:none,
     * so there is no "from" value for the transition and Safari skips it.
     *
     * visibility:hidden keeps the element in the layout at all times, so
     * Safari always has a valid starting state and the opacity transition fires
     * correctly. pointer-events:none prevents interaction while hidden.
     *
     * On close: visibility delays 0.3 s (matching opacity transition) so the
     * element becomes non-interactive only after it has fully faded out.
     */
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.3s ease, visibility 0s linear 0.3s;
}

.bw-ps-popup-overlay.active {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    /* On open: visibility is immediate (0s delay), opacity transitions */
    transition: opacity 0.3s ease, visibility 0s linear 0s;
}

.bw-ps-popup {
    position: relative;
    width: 100%;
    max-width: none;
    margin: 0;
    background: #fff;
    min-height: 100vh;
}

.bw-ps-popup-header {
    position: sticky;
    top: 0;
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    column-gap: 24px;
    padding: 20px 30px;
    background-color: #fff;
    border-bottom: 1px solid #eee;
    z-index: 10;
}

.bw-ps-popup-header .bw-ps-popup-title {
    margin: 0;
    min-width: 0;
    flex: 1 1 auto;
    font-size: 16px !important;
    line-height: 20px !important;
    font-weight: 600;
    color: #000;
}

.bw-ps-popup-header .bw-ps-popup-close,
.bw-ps-popup-header .bw-ps-popup-close .bw-ps-popup-close-text {
    background: none !important;
    background-color: transparent !important;
    border: none !important;
    box-shadow: none !important;
    outline: none !important;
    appearance: none !important;
    -webkit-appearance: none !important;
    -webkit-tap-highlight-color: transparent;
    font-size: 16px !important;
    line-height: 1 !important;
    cursor: pointer;
    color: #000;
    transition: color 0.3s ease;
    padding: 0;
    width: auto;
    height: auto;
    min-width: 0;
    min-height: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 0 !important;
    text-shadow: none;
    font-weight: normal;
    text-decoration: none;
    opacity: 1;
    visibility: visible;
    flex-shrink: 0;
    margin-left: auto;
}

.bw-ps-popup-close:hover  { color: #666; }
.bw-ps-popup-close:focus,
.bw-ps-popup-close:focus-visible {
    outline: none !important;
    outline-offset: 0 !important;
    box-shadow: none !important;
}
.bw-ps-popup-close:active { opacity: 0.7; }

.bw-ps-popup-body {
    padding: 40px 30px;
}

@media (max-width: 767px) {
    .bw-ps-popup-header .bw-ps-popup-title {
        font-size: 12px !important;
        line-height: 18px !important;
    }
}

.bw-ps-popup-image {
    margin-bottom: 40px;
    text-align: center;
}

.bw-ps-popup-image:last-child {
    margin-bottom: 0;
}

.bw-ps-popup-image img {
    max-width: min(2000px, 100%);
    width: auto;
    max-height: calc(
        100dvh
        - var(--bw-ps-popup-header-height, 0px)
        - var(--bw-ps-popup-body-pad-top, 40px)
        - var(--bw-ps-popup-body-pad-bottom, 40px)
    );
    height: auto;
    display: inline-block;
    object-fit: contain;
    /* Popup images usano bw-embla-img per il fade-in */
    opacity: 0;
    transition: opacity 0.3s ease;
}

.bw-ps-popup-image img.is-loaded {
    opacity: 1;
}

/* ========================================
   CUSTOM CURSOR — design fisso glassmorphism
   ======================================== */
.bw-ps-custom-cursor {
    position: fixed;
    left: 0;
    top: 0;
    pointer-events: none;
    z-index: 99998;
    display: none;
    align-items: center;
    justify-content: center;
    width: 88px;
    height: 88px;
    border-radius: 50%;
    /* Frosted glass: light fill + strong blur on content behind */
    background: rgba(255, 255, 255, 0.12);
    border: 1px solid rgba(0, 0, 0, 0.28);
    /* Position via JS-written CSS vars; -44px centers the 88×88 element on the pointer */
    translate: calc(var(--bw-ps-cursor-x, 0px) - 44px) calc(var(--bw-ps-cursor-y, 0px) - 44px);
    scale: 0;
    transition: scale 0.25s cubic-bezier(0.34, 1.56, 0.64, 1),
                opacity 0.15s ease;
    opacity: 0;
    backdrop-filter: blur(14px) saturate(1.8);
    -webkit-backdrop-filter: blur(14px) saturate(1.8);
    will-change: translate, scale;
}

.bw-ps-custom-cursor.active {
    display: flex;
    opacity: 1;
    scale: 1;
}

/* Freccia ← per la slide a sinistra */
.bw-ps-custom-cursor.prev::before {
    content: '←';
    font-size: 20px;
    font-weight: 300;
    color: rgba(0, 0, 0, 0.75);
    line-height: 1;
}

/* Freccia → per la slide a destra */
.bw-ps-custom-cursor.next::before {
    content: '→';
    font-size: 20px;
    font-weight: 300;
    color: rgba(0, 0, 0, 0.75);
    line-height: 1;
}

/* Cerchio pulito per la slide centrale (zoom) */
.bw-ps-custom-cursor.zoom::before {
    content: '+';
    font-size: 22px;
    font-weight: 300;
    color: rgba(0, 0, 0, 0.6);
    line-height: 1;
}

.bw-ps-hide-cursor,
.bw-ps-hide-cursor * {
    cursor: none !important;
}

/* Ripristina il cursore di sistema sulle frecce (fuori dall'area immagini) */
.bw-ps-hide-cursor .bw-ps-arrow,
.bw-ps-hide-cursor .bw-ps-arrow * {
    cursor: pointer !important;
}

/* ========================================
   RESPONSIVE
   ======================================== */
@media (max-width: 1024px) {
    /* Desktop vertical → nasconde e mostra responsive */
    .bw-ps-vertical .bw-ps-thumbnails,
    .bw-ps-vertical .bw-ps-main-images {
        display: none;
    }

    .bw-ps-vertical .bw-ps-vertical-responsive {
        display: block !important;
    }

    .bw-ps-popup-header {
        padding: 15px 20px;
    }

    .bw-ps-popup-body {
        padding: 20px 15px;
    }
}

@media (max-width: 768px) {
    /* Visibilità frecce/dots: gestita da CSS @media inline emesso da PHP (render_breakpoint_css).
       Le regole specifiche per widget sovrascrivono questa regola generica grazie alla
       specificità più alta (.elementor-element-X .bw-ps-arrows-container vs .bw-ps-arrows-container). */
    .bw-ps-arrows-container {
        bottom: 10px;
        right: 10px;
    }

    .bw-ps-arrow {
        padding: 8px;
    }

    .bw-ps-arrow svg {
        width: 20px;
        height: 20px;
    }

    .bw-ps-popup-image {
        margin-bottom: 20px;
    }

    /* Cursore disabilitato su mobile */
    .bw-ps-custom-cursor {
        display: none !important;
    }
}

/* ========================================
   STATO CARICAMENTO
   ======================================== */
.bw-ps-wrapper.loading {
    opacity: 0;
    pointer-events: none;
}

/* ========================================
   ACCESSIBILITÀ
   ======================================== */
.bw-ps-wrapper *:focus-visible:not(.bw-ps-popup-close) {
    outline: 2px solid #0073aa;
    outline-offset: 2px;
}