/* Zeta Gallery, gallerie pubbliche nelle pagine: righe giustificate (ogni foto cresce in proporzione) */
.zg { display: flex; flex-wrap: wrap; gap: 6px; margin: 1.5em 0; }
.zg figure { margin: 0; position: relative; flex-grow: calc(var(--zg-r) * 100); flex-shrink: 1; flex-basis: calc(var(--zg-r) * var(--zg-h)); aspect-ratio: var(--zg-r); overflow: hidden; background: #eee; }
.zg figure a, .zg figure img { display: block; width: 100%; height: 100%; }
.zg figure img { object-fit: cover; transition: transform .4s ease, opacity .3s; }
.zg figure a:hover img, .zg figure a:focus-visible img { transform: scale(1.03); }
.zg > i { flex: 100000 1 0; } /* ultima riga: le foto restano alla loro altezza invece di allargarsi */
@media (max-width: 600px) { .zg { --zg-h: 150px !important; gap: 4px; } }

/* Visione a tutto schermo */
.zg-lb { position: fixed; inset: 0; z-index: 100000; background: #0b0b0b; color: #eee; display: flex; flex-direction: column; font: 15px/1.4 system-ui, sans-serif; }
.zg-lb[hidden] { display: none; }
.zg-lb .zg-stage { flex: 1; position: relative; display: flex; align-items: center; justify-content: center; min-height: 0; touch-action: pan-y; }
.zg-lb .zg-stage img { max-width: 100%; max-height: 100%; object-fit: contain; user-select: none; -webkit-user-drag: none; }
.zg-lb button { background: none; border: 0; color: inherit; cursor: pointer; font: inherit; }
.zg-lb .zg-prev, .zg-lb .zg-next { position: absolute; top: 50%; transform: translateY(-50%); font-size: 44px; padding: 12px 18px; opacity: .7; }
.zg-lb .zg-prev { left: 4px; } .zg-lb .zg-next { right: 4px; }
.zg-lb .zg-prev:hover, .zg-lb .zg-next:hover { opacity: 1; }
.zg-lb .zg-close { position: absolute; top: 8px; right: 12px; font-size: 34px; z-index: 2; opacity: .8; }
.zg-lb .zg-bar { display: flex; align-items: center; gap: 14px; padding: 10px 16px; border-top: 1px solid #222; min-height: 52px; }
.zg-lb .zg-cap { flex: 1; min-width: 0; }
.zg-lb .zg-cap strong { display: block; font-weight: 600; }
.zg-lb .zg-cap small { color: #aaa; }
.zg-lb .zg-num { color: #999; white-space: nowrap; }
.zg-lb .zg-heart { display: inline-flex; align-items: center; gap: 4px; font-size: 14px; }
.zg-lb .zg-heart svg { width: 24px; height: 24px; fill: none; stroke: currentColor; stroke-width: 2; }
.zg-lb .zg-heart.is-on svg { fill: #e0245e; stroke: #e0245e; }
.zg-lb .zg-info { font-weight: 700; border: 1px solid #555 !important; border-radius: 50%; width: 28px; height: 28px; }
.zg-lb .zg-exif { margin: 0; padding: 0 16px 12px; display: flex; flex-wrap: wrap; gap: 4px 18px; color: #bbb; font-size: 13px; }
.zg-lb .zg-exif[hidden] { display: none; }
.zg-lb .zg-exif dt { color: #777; } .zg-lb .zg-exif div { display: flex; gap: 6px; }
.zg-lb .zg-exif dd { margin: 0; }
@media (max-width: 600px) { .zg-lb .zg-prev, .zg-lb .zg-next { display: none; } }

/* Ricerca e filtri per parola chiave (se attivi per l'album) */
.zg-tools { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin: 1.5em 0 -0.5em; }
.zg-search { flex: 0 1 260px; min-width: 0; padding: 7px 14px; border: 1px solid #ccc; border-radius: 18px; font: inherit; font-size: 15px; background: #fff; color: #111; }
.zg-search:focus { outline: none; border-color: #555; }
.zg-kw { display: flex; flex-wrap: wrap; gap: 6px; }
.zg-kw button { background: transparent; border: 1px solid #ccc; color: #333; border-radius: 14px; padding: 3px 11px; font: inherit; font-size: 13px; cursor: pointer; }
.zg-kw button span { opacity: .55; font-size: 12px; margin-left: 2px; }
.zg-kw button:hover { border-color: #555; }
.zg-kw button.is-on { background: #111; border-color: #111; color: #fff; }
.zg-none { flex-basis: 100%; margin: 0; color: #777; }
.zg-none[hidden], .zg figure[hidden] { display: none; }
@media (max-width: 600px) { .zg-search { flex-basis: 100%; } .zg-kw { flex-wrap: nowrap; overflow-x: auto; padding-bottom: 4px; } .zg-kw button { white-space: nowrap; } }