/* gallery.css — screenshot strip with scroll-snap + lightbox dialog (05 s5, screenshot-gallery.js).
   Screenshots get a --border frame and --r-md (12 s6). */

.gallery {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: 85%;
  gap: var(--sp-4);
  margin: 0;
  padding: 0 0 var(--sp-3);
  list-style: none;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
}

@media (min-width: 768px) {
  .gallery { grid-auto-columns: calc(50% - var(--sp-2)); }
}

.gallery__item { scroll-snap-align: start; }
.gallery__link { display: block; border-radius: var(--r-md); }
.gallery__link img { width: 100%; border: var(--border-w) solid var(--border); border-radius: var(--r-md); }
.gallery__caption { margin-top: var(--sp-2); font-size: var(--fs-sm); color: var(--text-muted); }

/* ---- Lightbox ---- */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: var(--z-overlay);
  display: grid;
  grid-template-rows: auto 1fr auto;
  gap: var(--sp-3);
  padding: var(--sp-4);
  background: var(--overlay);
}

.lightbox__bar { display: flex; justify-content: space-between; align-items: center; color: var(--on-dark); }
.lightbox__bar .btn-icon, .lightbox__nav .btn-icon { color: var(--on-dark); background: var(--overlay); }
.lightbox__figure { display: grid; place-items: center; min-height: 0; margin: 0; }
.lightbox__img { max-width: 100%; max-height: 100%; object-fit: contain; border-radius: var(--r-md); }
.lightbox__caption { color: var(--on-dark); font-size: var(--fs-sm); text-align: center; }
.lightbox__nav { display: flex; justify-content: center; gap: var(--sp-4); }