.lb {
  position: fixed;
  inset: 0;
  z-index: 100;
  background: #000;
  color: #fff;
  display: none;
  font-family: var(--mono);
}
.lb.open { display: block; }

.lb__stage {
  position: absolute;
  inset: 56px 12px 56px 12px;
  display: grid;
  place-items: center;
}
.lb__img {
  position: relative;
  width: min(100%, 1100px);
  aspect-ratio: 3 / 4;
  background:
    repeating-linear-gradient(
      135deg,
      rgba(255,255,255,0.16) 0 1px,
      transparent 1px 16px
    ),
    #0c0c0c;
  border: 1px solid #222;
}
@media (min-width: 720px) { .lb__img { aspect-ratio: 3 / 2; } }
.lb__img::after {
  content: attr(data-label);
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  font-size: 11px;
  letter-spacing: 0.22em;
  color: #888;
}
.lb__img--loaded { background: #000; }
.lb__img--loaded::after { display: none; }

.lb__close, .lb__nav {
  position: absolute;
  background: transparent;
  color: #fff;
  border: 1px solid #333;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  cursor: pointer;
  padding: 8px 12px;
}
.lb__close { top: 12px; right: 12px; }
.lb__nav { top: 50%; transform: translateY(-50%); width: 44px; height: 44px; display: grid; place-items: center; padding: 0; font-size: 16px; }
.lb__nav--prev { left: 12px; }
.lb__nav--next { right: 12px; }
.lb__close:hover, .lb__nav:hover { background: #fff; color: #000; }

.lb__meta {
  position: absolute;
  left: 12px; right: 12px; bottom: 12px;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  font-size: 11px;
  letter-spacing: 0.1em;
  color: #aaa;
  border-top: 1px solid #222;
  padding-top: 10px;
}
.lb__cap { text-transform: uppercase; }
.lb__count { font-variant-numeric: tabular-nums; color: #fff; }