/* ── exhibition_gallery_slider ───────────────────────────────────────
   Horizontal scroll-snap slider + its own lightbox. Every class used in
   render.php and script.js is defined here, and every colour, size and
   face comes from a token — so the block travels to another FG-CMS site
   and picks up that brand automatically. */

.block-exhibition_gallery_slider {
  padding: var(--space-section-y) 0;
  background: var(--color-bg);
}
.block-exhibition_gallery_slider .egs-wrap {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 var(--space-section-x);
}

/* ── Heading ─────────────────────────────────────────────────────── */
.block-exhibition_gallery_slider .egs-head { margin-bottom: 32px; }
.block-exhibition_gallery_slider .egs-kicker {
  font-family: var(--font-eyebrow);
  font-size: 12px; font-weight: 700; letter-spacing: .18em;
  text-transform: uppercase; color: var(--color-accent-soft);
  margin-bottom: 12px;
}
.block-exhibition_gallery_slider .egs-title {
  font-family: var(--font-display);
  font-size: clamp(26px, 3vw, 40px); font-weight: 600;
  line-height: 1.12; color: var(--color-fg); margin: 0;
}

/* ── Slider ──────────────────────────────────────────────────────── */
.block-exhibition_gallery_slider .egs-viewport { position: relative; }

.block-exhibition_gallery_slider .egs-track {
  display: flex;
  gap: 20px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scroll-behavior: smooth;
  /* room for the caption + a little breathing space under the rail */
  padding-bottom: 8px;
  /* hide the native scrollbar without losing the ability to scroll */
  scrollbar-width: none;
  -ms-overflow-style: none;
}
.block-exhibition_gallery_slider .egs-track::-webkit-scrollbar { display: none; }

.block-exhibition_gallery_slider .egs-slide {
  flex: 0 0 auto;
  width: min(64%, 620px);
  scroll-snap-align: start;
  margin: 0;
}
.block-exhibition_gallery_slider .egs-figure {
  position: relative;
  aspect-ratio: 3 / 2;
  overflow: hidden;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
}
.block-exhibition_gallery_slider .egs-figure img {
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
  cursor: zoom-in;
  transition: transform .5s ease;
}
.block-exhibition_gallery_slider .egs-figure img:hover { transform: scale(1.03); }

.block-exhibition_gallery_slider .egs-empty {
  position: absolute; inset: 0;
  display: grid; place-items: center;
  font-family: var(--font-eyebrow);
  font-size: 11px; letter-spacing: .2em; text-transform: uppercase;
  color: var(--color-muted); cursor: pointer;
}

.block-exhibition_gallery_slider .egs-caption {
  margin-top: 12px;
  font-family: var(--font-body);
  font-size: 13px; line-height: 1.55;
  color: var(--color-muted);
}
/* Keep the empty caption clickable in the editor, invisible to visitors. */
.block-exhibition_gallery_slider .egs-caption--empty { min-height: 0; }
body.cms-edit .block-exhibition_gallery_slider .egs-caption--empty {
  min-height: 20px;
  outline: 1px dashed var(--color-border);
}

/* ── Arrows ──────────────────────────────────────────────────────── */
.block-exhibition_gallery_slider .egs-nav {
  position: absolute; top: calc(50% - 26px);
  transform: translateY(-50%);
  width: 52px; height: 52px;
  display: grid; place-items: center;
  font-size: 30px; line-height: 1;
  font-family: var(--font-body);
  background: var(--color-bg);
  color: var(--color-fg);
  border: 1px solid var(--color-border);
  cursor: pointer;
  transition: background .2s, color .2s, border-color .2s, opacity .2s;
  z-index: 2;
}
.block-exhibition_gallery_slider .egs-nav:hover {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: var(--color-on-dark);
}
.block-exhibition_gallery_slider .egs-nav--prev { left: -12px; }
.block-exhibition_gallery_slider .egs-nav--next { right: -12px; }
.block-exhibition_gallery_slider .egs-nav[disabled] {
  opacity: .3; cursor: default;
}
.block-exhibition_gallery_slider .egs-nav[disabled]:hover {
  background: var(--color-bg); color: var(--color-fg); border-color: var(--color-border);
}

.block-exhibition_gallery_slider .egs-add { margin-top: 24px; }

@media (max-width: 760px) {
  .block-exhibition_gallery_slider .egs-slide { width: 86%; }
  .block-exhibition_gallery_slider .egs-nav { display: none; }
}

/* ── Lightbox ────────────────────────────────────────────────────────
   Own markup and own class names so the block does not depend on any
   other block's stylesheet being present. */
.egs-lb {
  position: fixed; inset: 0; z-index: 9000;
  display: grid; place-items: center;
}
.egs-lb[hidden] { display: none; }
.egs-lb__backdrop {
  position: absolute; inset: 0;
  background: color-mix(in srgb, var(--color-dark-bg) 94%, transparent);
}
.egs-lb__image {
  position: relative;
  max-width: 92vw; max-height: 86vh;
  width: auto; height: auto;
  object-fit: contain;
  box-shadow: 0 24px 80px color-mix(in srgb, var(--color-dark-bg) 55%, transparent);
}
.egs-lb__caption {
  position: absolute; left: 50%; bottom: 26px; transform: translateX(-50%);
  max-width: 72ch; text-align: center;
  font-family: var(--font-body); font-size: 13px; line-height: 1.5;
  color: color-mix(in srgb, var(--color-on-dark) 80%, transparent);
}
.egs-lb__close,
.egs-lb__nav {
  position: absolute;
  display: grid; place-items: center;
  background: color-mix(in srgb, var(--color-on-dark) 10%, transparent);
  color: var(--color-on-dark);
  border: 1px solid color-mix(in srgb, var(--color-on-dark) 28%, transparent);
  cursor: pointer;
  transition: background .2s, border-color .2s;
}
.egs-lb__close:hover,
.egs-lb__nav:hover {
  background: color-mix(in srgb, var(--color-on-dark) 22%, transparent);
  border-color: var(--color-on-dark);
}
.egs-lb__close {
  top: 22px; right: 22px; width: 46px; height: 46px;
  font-size: 26px; line-height: 1; font-family: var(--font-body);
}
.egs-lb__nav {
  top: 50%; transform: translateY(-50%);
  width: 54px; height: 54px; font-size: 32px; line-height: 1;
  font-family: var(--font-body);
}
.egs-lb__nav--prev { left: 22px; }
.egs-lb__nav--next { right: 22px; }
.egs-lb__counter {
  position: absolute; top: 30px; left: 50%; transform: translateX(-50%);
  font-family: var(--font-eyebrow);
  font-size: 12px; letter-spacing: .16em;
  color: color-mix(in srgb, var(--color-on-dark) 70%, transparent);
}
body.egs-lb-open { overflow: hidden; }

@media (max-width: 620px) {
  .egs-lb__nav { width: 44px; height: 44px; font-size: 26px; }
  .egs-lb__nav--prev { left: 8px; }
  .egs-lb__nav--next { right: 8px; }
}
@media (prefers-reduced-motion: reduce) {
  .block-exhibition_gallery_slider .egs-track { scroll-behavior: auto; }
  .block-exhibition_gallery_slider .egs-figure img { transition: none; }
  .block-exhibition_gallery_slider .egs-figure img:hover { transform: none; }
}