/* ==========================================================================
   gallery.css — filter chips, mosaic gallery, lightbox (pairs with gallery.js)
   ========================================================================== */

/* ---------- filter chips -------------------------------------------------- */
.chips { display: flex; flex-wrap: wrap; gap: .55rem; margin-bottom: clamp(1.8rem, 3vw, 2.6rem); }
.chip {
  display: inline-flex; align-items: center; gap: .6em;
  min-height: 42px; padding: .55em 1.15em;
  border-radius: 999px; border: 1px solid var(--line-2);
  font: 400 .76rem/1 var(--f-body); letter-spacing: .12em; text-transform: uppercase; color: var(--ink);
  transition: background-color .45s var(--ease), color .45s var(--ease), border-color .45s var(--ease);
}
.chip:hover { border-color: var(--ink); }
.chip[aria-pressed="true"] { background: var(--ink); border-color: var(--ink); color: var(--paper); }
.chip__n { font-size: .68rem; letter-spacing: 0; opacity: .55; }
.chip__n:empty { display: none; }

/* ---------- mosaic -------------------------------------------------------- */
.gallery {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  grid-auto-rows: clamp(110px, 12.5vw, 178px);
  grid-auto-flow: dense;
  gap: clamp(.55rem, 1.3vw, 1rem);
}
.g-item {
  position: relative; margin: 0; min-width: 0;
  grid-row: span 2;
  border-radius: var(--r); overflow: hidden;
  background: var(--paper-3);
  isolation: isolate;
}
.g-item--tall { grid-row: span 3; }
.g-item--wide { grid-column: span 2; }
.g-item--big  { grid-column: span 2; grid-row: span 3; }
.g-item .ph { aspect-ratio: auto; height: 100%; }
.g-item .ph img { -webkit-touch-callout: none; }

.g-open { display: block; width: 100%; height: 100%; cursor: zoom-in; border-radius: inherit; }
.g-open:focus-visible { outline-offset: -4px; outline-color: var(--paper); }
.g-item:hover .ph img, .g-open:focus-visible .ph img { transform: scale(1.06); }

.g-item figcaption {
  position: absolute; inset: auto 0 0 0; z-index: 2; pointer-events: none;
  padding: 2.2rem 1rem .85rem;
  background: linear-gradient(0deg, rgba(21,19,18,.72), rgba(21,19,18,0));
  color: var(--paper); font-size: .84rem; line-height: 1.35; letter-spacing: .02em;
}
@media (hover: hover) {
  .g-item figcaption { transform: translateY(100%); opacity: 0; transition: transform .55s var(--ease), opacity .4s var(--ease); }
  .g-item:hover figcaption, .g-item:focus-within figcaption { transform: none; opacity: 1; }
}

.gallery-more { display: flex; justify-content: center; margin-top: clamp(2rem, 4vw, 3rem); }

@media (max-width: 900px) {
  .gallery { grid-template-columns: repeat(3, minmax(0, 1fr)); grid-auto-rows: clamp(110px, 20vw, 170px); }
}
@media (max-width: 600px) {
  .gallery { grid-template-columns: repeat(2, minmax(0, 1fr)); grid-auto-rows: 31vw; }
  .g-item--big { grid-column: span 2; grid-row: span 3; }
  .g-item figcaption { font-size: .76rem; padding: 1.6rem .7rem .6rem; }
}

/* ---------- lightbox ------------------------------------------------------ */
.lightbox {
  border: 0; padding: 0; margin: 0;
  width: 100vw; height: 100vh; height: 100dvh; max-width: none; max-height: none;
  background: rgba(21, 19, 18, .95); color: var(--paper);
  overflow: hidden;
}
.lightbox[open] { display: grid; grid-template-rows: auto minmax(0, 1fr); animation: lb-in .45s var(--ease) both; }
.lightbox.is-closing { animation: lb-out .26s var(--ease-io) both; }
.lightbox::backdrop { background: transparent; }
body.lb-open { overflow: hidden; }
@keyframes lb-in  { from { opacity: 0; } }
@keyframes lb-out { to { opacity: 0; } }

.lb__bar {
  display: flex; align-items: center; justify-content: space-between;
  padding: max(.8rem, env(safe-area-inset-top)) var(--gutter) .6rem;
}
.lb__count { font: 400 .78rem/1 var(--f-body); letter-spacing: .2em; color: rgba(246,241,234,.7); }
.lb__fig { margin: 0; min-height: 0; display: grid; grid-template-rows: minmax(0, 1fr) auto; justify-items: center; gap: .9rem; padding: 0 clamp(1rem, 8vw, 7rem) max(1.4rem, env(safe-area-inset-bottom)); }
.lb__media {
  position: relative; width: min(100%, 1100px); height: 100%;
  background: center / contain no-repeat;
  animation: lb-zoom .55s var(--ease) both;
}
@keyframes lb-zoom { from { transform: scale(.96); } }
.lb__media picture, .lb__media img { position: absolute; inset: 0; width: 100%; height: 100%; }
.lb__media img {
  object-fit: contain;
  opacity: 0; transform: translateX(var(--from, 0));
  transition: opacity .5s var(--ease), transform .7s var(--ease);
}
.lb__media img.is-in { opacity: 1; transform: none; }
.lb__cap { font: italic 400 clamp(1.05rem, 2vw, 1.3rem)/1.3 var(--f-display); color: rgba(246,241,234,.85); text-align: center; max-width: 46rem; }

.lb__btn {
  width: 48px; height: 48px; border-radius: 50%;
  display: grid; place-items: center;
  border: 1px solid rgba(246,241,234,.3); color: var(--paper);
  font-size: 1.05rem; line-height: 1;
  transition: background-color .3s, color .3s, border-color .3s, transform .4s var(--ease);
}
.lb__btn:hover { background: var(--paper); color: var(--ink); border-color: var(--paper); }
.lb__nav { position: absolute; top: 50%; transform: translateY(-50%); }
.lb__prev { left: clamp(.6rem, 2vw, 1.6rem); }
.lb__next { right: clamp(.6rem, 2vw, 1.6rem); }
.lb__prev:hover { transform: translateY(-50%) translateX(-3px); }
.lb__next:hover { transform: translateY(-50%) translateX(3px); }

@media (max-width: 600px) {
  .lb__fig { padding-inline: .5rem; padding-bottom: calc(4.5rem + env(safe-area-inset-bottom)); }
  .lb__nav { top: auto; bottom: max(1rem, env(safe-area-inset-bottom)); transform: none; }
  .lb__prev { left: calc(50% - 60px); }
  .lb__next { right: calc(50% - 60px); }
  .lb__prev:hover, .lb__next:hover { transform: none; }
}