/* ============================================================
   galleria.css — CCF Balduina
   Photo gallery grid, filter tabs, lightbox overlay
   ============================================================ */


/* === GALLERY FILTER TABS === */
/* Same style as corsi filters — shares .filter-tab from components.css */
.galleria-filters {
    display: flex;
    gap: var(--space-xs);
    flex-wrap: wrap;
    margin-bottom: var(--space-2xl);
    padding-bottom: var(--space-lg);
    border-bottom: 1px solid var(--color-line);
}


/* === GALLERY GRID === */
.galleria-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);  /* 4 colonne desktop — come nel mockup */
    gap: var(--space-sm);
}


/* === GALLERY ITEM === */
.galleria-item {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.galleria-item__btn {
    position: relative;
    width: 100%;
    aspect-ratio: 4/3;                     /* Box uniforme nella griglia; nella striscia evento è sovrascritto sotto */
    border: none;
    background: none;
    padding: 0;
    cursor: pointer;
    border-radius: var(--radius);
    overflow: hidden;
    display: block;
    background-color: var(--color-cream-alt);
}

.galleria-item__img {
    width: 100%;
    height: 100%;
    object-fit: contain;                   /* Mai ritagliata — proporzioni sempre intere */
    background-color: var(--color-cream-alt);
    display: block;
    transition: transform var(--transition-base);
}

/* Segnaposto emoji finché non c'è una foto reale caricata */
.galleria-item__placeholder {
    width: 100%;
    aspect-ratio: 4/3;
    border-radius: var(--radius);
    background: linear-gradient(150deg, #E8DDC8, #D8C9A8);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.875rem;
}

/* Overlay con icona zoom — visibile su hover */
.galleria-item__overlay {
    position: absolute;
    inset: 0;
    background: rgba(42, 31, 26, 0);       /* Trasparente a riposo */
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background var(--transition-base);
}

.galleria-item__zoom {
    font-size: 2rem;
    opacity: 0;                            /* Icona nascosta a riposo */
    transition: opacity var(--transition-base);
    color: var(--color-white);
}

.galleria-item__btn:hover .galleria-item__img {
    transform: scale(1.05);               /* Zoom leggero sull'immagine su hover */
}

.galleria-item__btn:hover .galleria-item__overlay {
    background: rgba(42, 31, 26, 0.45);   /* Overlay scuro su hover */
}

.galleria-item__btn:hover .galleria-item__zoom {
    opacity: 1;                           /* Icona visibile su hover */
}

.galleria-item__caption {
    font-size: var(--text-xs);
    color: var(--color-gray);             /* Didascalia in grigio */
    text-align: center;
}


/* === LIGHTBOX === */
.lightbox {
    position: fixed;
    inset: 0;
    background: rgba(42, 31, 26, 0.95);   /* Sfondo quasi nero */
    z-index: 500;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-base), visibility var(--transition-base);
}

.lightbox.open {
    opacity: 1;
    visibility: visible;
}

.lightbox__content {
    max-width: 90vw;
    max-height: 90vh;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-md);
}

.lightbox__img {
    max-width: 100%;
    max-height: 80vh;
    object-fit: contain;
    border-radius: var(--radius);
}

.lightbox__caption {
    color: rgba(247, 243, 236, 0.8);       /* Didascalia lightbox semi-trasparente */
    font-size: var(--text-sm);
}

.lightbox__close {
    position: fixed;
    top: var(--space-lg);
    right: var(--space-lg);
    background: none;
    border: none;
    color: var(--color-white);             /* X di chiusura bianca */
    font-size: 2.5rem;
    cursor: pointer;
    line-height: 1;
    z-index: 501;
    transition: transform var(--transition-fast);
}

.lightbox__close:hover {
    transform: rotate(90deg);              /* Rotazione su hover */
}

.lightbox__prev,
.lightbox__next {
    position: fixed;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(247, 243, 236, 0.1);  /* Pulsante freccia semi-trasparente */
    border: none;
    color: var(--color-white);
    font-size: 1.5rem;
    padding: var(--space-md);
    cursor: pointer;
    z-index: 501;
    border-radius: var(--radius);
    transition: background var(--transition-fast);
}

.lightbox__prev {
    left: var(--space-lg);
}

.lightbox__next {
    right: var(--space-lg);
}

.lightbox__prev:hover,
.lightbox__next:hover {
    background: rgba(247, 243, 236, 0.2);
}


/* === EVENTI — griglia card nella pagina Galleria Eventi === */
.evento-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);    /* 3 colonne desktop */
    gap: var(--space-lg);
}

.evento-card {
    background-color: var(--color-white);
    border: 1px solid var(--color-line);
    border-radius: var(--radius-lg);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.evento-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

/* Anteprima piccola (icona) — riempie sempre il box anche ritagliando; il
   "mai ritagliare" vale solo per la striscia foto della pagina evento. */
.evento-card__photo {
    width: 100%;
    aspect-ratio: 4/3;
    object-fit: cover;
    display: block;
}

.evento-card__photo-placeholder {
    width: 100%;
    aspect-ratio: 4/3;
    background: linear-gradient(150deg, #E8DDC8, #D8C9A8);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
}

.evento-card__body {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
    flex: 1;
    padding: var(--space-lg);
}

.evento-card__titolo {
    font-size: var(--text-xl);
    color: var(--color-dark);
}

/* Data e luogo ciascuno sulla propria riga — non affiancati con un separatore */
.evento-card__meta {
    display: flex;
    flex-direction: column;
    gap: 2px;
    font-size: var(--text-sm);
}

.evento-card__meta p {
    margin: 0;
}


/* === EVENTO DETAIL — layout contenuto + sidebar info === */
.evento-detail-layout {
    display: grid;
    grid-template-columns: 1fr 360px;        /* Contenuto | Sidebar */
    gap: var(--space-3xl);
    align-items: start;
}

.evento-info-card {
    background-color: var(--color-white);
    border: 1px solid var(--color-line);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    position: sticky;
    top: calc(var(--nav-height) + var(--space-lg));
}

.evento-info-row {
    display: flex;
    flex-direction: column;
    gap: 2px;
    padding-block: var(--space-sm);
    border-bottom: 1px solid var(--color-line);
    font-size: var(--text-sm);
}

.evento-info-row:last-of-type {
    border-bottom: none;
}

.evento-info-label {
    font-weight: 600;
    font-size: var(--text-xs);
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--color-gray);
}

/* Striscia foto orizzontale — sotto la descrizione, riusa .galleria-item /
   .galleria-item__btn (stesso hover/overlay/lightbox della griglia piatta),
   solo il contenitore cambia da griglia a riga scorrevole. */
.evento-foto-strip {
    display: flex;
    gap: var(--space-sm);
    overflow-x: auto;
    padding-bottom: var(--space-sm);
    margin-top: var(--space-xl);
    scroll-snap-type: x proximity;
}

/* Nella striscia (a differenza della griglia), altezza fissa e larghezza
   libera in base alle proporzioni reali della foto — niente crop, quindi
   mai teste tagliate nelle foto di gruppo/azione. */
.evento-foto-strip .galleria-item {
    flex: 0 0 auto;
}

.evento-foto-strip .galleria-item__btn {
    width: auto;
    height: 165px;                     /* = vecchia larghezza 220px * 3/4, dimensione visiva invariata */
    aspect-ratio: unset;
    background-color: transparent;
    scroll-snap-align: start;
}

.evento-foto-strip .galleria-item__img {
    width: auto;
    height: 100%;
    background-color: transparent;
}


/* === RESPONSIVE — TABLET (max-width: 768px) === */
@media (max-width: 768px) {
    .galleria-grid {
        grid-template-columns: repeat(2, 1fr);  /* 2 colonne su tablet */
    }

    .evento-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .evento-detail-layout {
        grid-template-columns: 1fr;
    }

    .evento-info-card {
        position: static;  /* Non sticky su mobile */
    }

    .lightbox__prev { left: var(--space-sm); }
    .lightbox__next { right: var(--space-sm); }
}


/* === RESPONSIVE — MOBILE (max-width: 480px) === */
@media (max-width: 480px) {
    .galleria-grid {
        grid-template-columns: 1fr;  /* 1 colonna su mobile */
    }

    .evento-grid {
        grid-template-columns: 1fr;
    }

    .evento-foto-strip .galleria-item__btn {
        height: 120px;  /* Miniature più piccole per lasciare spazio allo scroll */
    }
}