/* BS Photo Gallery — stili frontend
 * Galleria masonry a colonne CSS con lightbox custom.
 * Usa le variabili CSS del tema Biagio Sollazzi se disponibili.
 */

.bs-gallery-wrap,
.bs-gallery-lightbox {
    --bs-gal-dark:   var(--dark,   #1C1814);
    --bs-gal-cream:  var(--cream,  #F5F0EA);
    --bs-gal-gold:   var(--gold,   #B8975A);
    --bs-gal-gold-lt:var(--gold-lt,#D4B47A);
    --bs-gal-white:  var(--white,  #FFFFFF);
    --bs-gal-serif:  var(--serif,  'Cormorant Garamond', Georgia, serif);
    --bs-gal-sans:   var(--sans,   'Montserrat', Arial, sans-serif);
}

/* ---------------------------------------------------------------
 * Griglia uniforme (CSS Grid) — tutte le celle stessa altezza
 * ------------------------------------------------------------- */
.bs-gallery-wrap {
    display: grid;
    grid-template-columns: repeat(var(--bs-gallery-columns, 3), 1fr);
    gap: 6px;
    width: 100%;
}

.bs-gallery-item {
    display: block;
    position: relative;
    overflow: hidden;
    cursor: zoom-in;
    aspect-ratio: 3 / 2;
}

.bs-gallery-item img {
    width: 100%;
    height: 100%;
    display: block;
    object-fit: cover;
    object-position: center;
    transition: transform 0.45s ease;
}

/* Overlay scuro al hover */
.bs-gallery-item-overlay {
    position: absolute;
    inset: 0;
    background: rgba(28, 24, 20, 0);
    transition: background 0.35s ease;
    pointer-events: none;
}

.bs-gallery-item:hover img {
    transform: scale(1.05);
}

.bs-gallery-item:hover .bs-gallery-item-overlay {
    background: rgba(28, 24, 20, 0.2);
}

/* Responsive */
@media (max-width: 900px) {
    .bs-gallery-wrap {
        grid-template-columns: repeat(2, 1fr);
    }
}

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

/* ---------------------------------------------------------------
 * Lightbox
 * ------------------------------------------------------------- */
.bs-gallery-lightbox {
    position: fixed;
    inset: 0;
    z-index: 100000;
    background: rgba(28, 24, 20, 0.94);
    display: flex;
    align-items: center;
    justify-content: center;
    animation: bs-gal-fadein 0.25s ease;
}

.bs-gallery-lightbox[hidden] {
    display: none;
}

@keyframes bs-gal-fadein {
    from { opacity: 0; }
    to   { opacity: 1; }
}

.bs-gallery-lb-figure {
    margin: 0;
    text-align: center;
    width: 90vw;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.bs-gallery-lb-figure img {
    width: 100%;
    height: auto;
    max-height: 84vh;
    object-fit: contain;
    display: block;
    box-shadow: 0 24px 64px rgba(0, 0, 0, 0.55);
    border-radius: 2px;
    animation: bs-gal-slidein 0.3s ease;
}

@keyframes bs-gal-slidein {
    from { opacity: 0; transform: scale(0.97); }
    to   { opacity: 1; transform: scale(1); }
}

.bs-gallery-lb-figure figcaption {
    margin-top: 14px;
    color: var(--bs-gal-cream);
    font-family: var(--bs-gal-serif);
    font-size: 17px;
    letter-spacing: 0.02em;
    opacity: 0.85;
}

/* Pulsanti lightbox */
.bs-gallery-lb-close,
.bs-gallery-lb-prev,
.bs-gallery-lb-next {
    position: absolute;
    background: transparent;
    border: none;
    color: var(--bs-gal-cream);
    cursor: pointer;
    line-height: 1;
    padding: 12px;
    transition: color 0.2s ease, transform 0.2s ease;
}

.bs-gallery-lb-close:hover,
.bs-gallery-lb-prev:hover,
.bs-gallery-lb-next:hover {
    color: var(--bs-gal-gold-lt);
}

.bs-gallery-lb-close {
    top: 16px;
    right: 20px;
    font-size: 28px;
}

.bs-gallery-lb-close:hover {
    transform: rotate(90deg);
}

.bs-gallery-lb-prev,
.bs-gallery-lb-next {
    top: 50%;
    transform: translateY(-50%);
    font-size: 52px;
    font-weight: 300;
}

.bs-gallery-lb-prev { left: 8px; }
.bs-gallery-lb-next { right: 8px; }

.bs-gallery-lb-prev:hover {
    transform: translateY(-50%) translateX(-3px);
    color: var(--bs-gal-gold-lt);
}

.bs-gallery-lb-next:hover {
    transform: translateY(-50%) translateX(3px);
    color: var(--bs-gal-gold-lt);
}

@media (max-width: 640px) {
    .bs-gallery-lb-prev,
    .bs-gallery-lb-next {
        font-size: 36px;
        padding: 8px 6px;
    }
    .bs-gallery-lb-close {
        font-size: 22px;
        top: 10px;
        right: 10px;
    }
}