/* ============================================
   GALLERY — mosaic CSS Grid (stile OLD)
   3 colonne, pezzi di misure diverse, senza buchi
   ============================================ */

.gallery {
    padding: var(--spacing-xl) 0;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-auto-rows: minmax(120px, 22vw);
    grid-auto-flow: dense;
    gap: 0;
    max-width: 1400px;
    margin: 0 auto;
    border: var(--border-medium) solid var(--color-black);
    box-shadow: 6px 6px 0 var(--color-black);
    background: var(--color-black);
}

/* Celle mosaic — pattern A (come prima carrellata OLD) */
.gallery-item.g-a0 { grid-column: span 3; grid-row: span 2; }
.gallery-item.g-a1 { grid-column: span 2; grid-row: span 2; }
.gallery-item.g-a2 { grid-column: span 1; grid-row: span 2; }
.gallery-item.g-a3 { grid-column: span 1; grid-row: span 2; }
.gallery-item.g-a4 { grid-column: span 2; grid-row: span 1; }
.gallery-item.g-a5 { grid-column: span 2; grid-row: span 1; }
.gallery-item.g-a6 { grid-column: span 1; grid-row: span 1; }
.gallery-item.g-a7 { grid-column: span 1; grid-row: span 1; }
.gallery-item.g-a8 { grid-column: span 1; grid-row: span 1; }

/* Pattern B (seconda carrellata OLD) */
.gallery-item.g-b0 { grid-column: span 3; grid-row: span 1; }
.gallery-item.g-b1 { grid-column: span 2; grid-row: span 2; }
.gallery-item.g-b2 { grid-column: span 1; grid-row: span 2; }
.gallery-item.g-b3 { grid-column: span 3; grid-row: span 1; }
.gallery-item.g-b4 { grid-column: span 1; grid-row: span 1; }
.gallery-item.g-b5 { grid-column: span 2; grid-row: span 1; }
.gallery-item.g-b6 { grid-column: span 1; grid-row: span 2; }
.gallery-item.g-b7 { grid-column: span 2; grid-row: span 2; }

.gallery-item {
    position: relative;
    overflow: hidden;
    min-height: 0;
    background-color: var(--color-gray, #f5f5f5);
    cursor: pointer;
    border: 1px solid var(--color-black);
}

.gallery-item:hover {
    z-index: 5;
    outline: 3px solid var(--color-red);
    outline-offset: -3px;
}

.gallery-item picture {
    display: block;
    width: 100%;
    height: 100%;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    display: block;
    object-fit: cover;
    object-position: center center;
    transition: transform var(--transition-slow), opacity var(--transition-normal);
    opacity: 0;
}

.gallery-item img.loaded {
    opacity: 1;
}

/* Volti / poster: ancora in alto nella cella */
.gallery-item.is-portrait img,
.gallery-item.is-poster img {
    object-position: center top;
}

.gallery-item.is-landscape img {
    object-position: center center;
}

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

.gallery-load-more-wrap {
    max-width: 1400px;
    margin: var(--spacing-md) auto 0;
    padding: 0 var(--spacing-sm);
}

.gallery-load-more {
    display: block;
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 1.1rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--color-white);
    background: var(--color-red);
    border: var(--border-medium) solid var(--color-black);
    box-shadow: 4px 4px 0 var(--color-black);
    cursor: pointer;
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.gallery-load-more:hover {
    transform: translate(-2px, -2px);
    box-shadow: 6px 6px 0 var(--color-black);
}

.gallery-load-more[hidden] {
    display: none;
}

/* Tablet: 2 colonne, span semplificati */
@media (max-width: 980px) {
    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
        grid-auto-rows: minmax(140px, 28vw);
    }

    .gallery-item.g-a0,
    .gallery-item.g-a1,
    .gallery-item.g-a2,
    .gallery-item.g-a3,
    .gallery-item.g-a4,
    .gallery-item.g-a5,
    .gallery-item.g-a6,
    .gallery-item.g-a7,
    .gallery-item.g-a8,
    .gallery-item.g-b0,
    .gallery-item.g-b1,
    .gallery-item.g-b2,
    .gallery-item.g-b3,
    .gallery-item.g-b4,
    .gallery-item.g-b5,
    .gallery-item.g-b6,
    .gallery-item.g-b7 {
        grid-column: span 1;
        grid-row: span 1;
    }

    /* Alternanza leggibile su 2 col */
    .gallery-item.g-a0,
    .gallery-item.g-b0,
    .gallery-item.g-b3 {
        grid-column: span 2;
        grid-row: span 1;
    }

    .gallery-item.g-a1,
    .gallery-item.g-a2,
    .gallery-item.g-a3,
    .gallery-item.g-b1,
    .gallery-item.g-b2,
    .gallery-item.g-b6,
    .gallery-item.g-b7,
    .gallery-item.is-poster {
        grid-row: span 2;
    }
}

@media (max-width: 600px) {
    .gallery-grid {
        grid-template-columns: 1fr;
        grid-auto-rows: minmax(220px, 55vw);
    }

    .gallery-item.g-a0,
    .gallery-item.g-a1,
    .gallery-item.g-a2,
    .gallery-item.g-a3,
    .gallery-item.g-a4,
    .gallery-item.g-a5,
    .gallery-item.g-a6,
    .gallery-item.g-a7,
    .gallery-item.g-a8,
    .gallery-item.g-b0,
    .gallery-item.g-b1,
    .gallery-item.g-b2,
    .gallery-item.g-b3,
    .gallery-item.g-b4,
    .gallery-item.g-b5,
    .gallery-item.g-b6,
    .gallery-item.g-b7,
    .gallery-item.is-poster {
        grid-column: span 1;
        grid-row: span 1;
    }

    .gallery-item.is-portrait,
    .gallery-item.is-poster {
        grid-row: span 2;
    }
}

/* Lightbox */
.lightbox {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.95);
    z-index: 2000;
    cursor: pointer;
}

.lightbox.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

.lightbox-content {
    max-width: min(92vw, 1100px);
    max-height: 92vh;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.lightbox-content img {
    max-width: 100%;
    max-height: 88vh;
    width: auto;
    height: auto;
    object-fit: contain;
    border: var(--border-thick) solid var(--color-white);
    box-shadow: 0 0 30px rgba(220, 20, 60, 0.5);
}

.lightbox-close {
    position: absolute;
    top: -50px;
    right: 0;
    color: var(--color-white);
    font-size: 2rem;
    font-weight: bold;
    cursor: pointer;
    padding: var(--spacing-sm);
    border: var(--border-medium) solid var(--color-white);
    background-color: var(--color-red);
    transition: all var(--transition-normal);
}

.lightbox-close:hover {
    background-color: var(--color-white);
    color: var(--color-red);
}