/* ============================================================
   Studio DONO — case-gallery lightbox (slog)
   Barve: charcoal #343434, gold #A67D52, cream #EFE6D6
   ============================================================ */
.dono-lb {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: none;
  align-items: center;
  justify-content: center;
  background: rgba(27, 27, 27, 0.92);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}
.dono-lb.is-open { display: flex; }

.dono-lb__stage {
  margin: 0;
  max-width: 90vw;
  max-height: 88vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.9rem;
}
.dono-lb__img {
  max-width: 90vw;
  max-height: 80vh;
  width: auto;
  height: auto;
  object-fit: contain;
  border-radius: 2px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}
.dono-lb__counter {
  color: rgba(239, 230, 214, 0.6);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.dono-lb__close,
.dono-lb__nav {
  position: absolute;
  background: transparent;
  border: none;
  color: #EFE6D6;
  cursor: pointer;
  transition: color 0.2s ease, transform 0.2s ease;
  line-height: 1;
  user-select: none;
}
.dono-lb__close {
  top: 1.4rem;
  right: 1.6rem;
  font-size: 2.4rem;
}
.dono-lb__nav {
  top: 50%;
  transform: translateY(-50%);
  font-size: 3.2rem;
  padding: 0 1.2rem;
}
.dono-lb__prev { left: 0.5rem; }
.dono-lb__next { right: 0.5rem; }
.dono-lb__close:hover,
.dono-lb__nav:hover { color: #A67D52; }
.dono-lb__nav:hover { transform: translateY(-50%) scale(1.15); }

@media (max-width: 640px) {
  .dono-lb__nav { font-size: 2.4rem; padding: 0 0.5rem; }
  .dono-lb__close { top: 1rem; right: 1rem; font-size: 2rem; }
  .dono-lb__img { max-height: 74vh; }
}