/* Dark theme polish */
:root { color-scheme: dark; }

.gallery-thumb {
  aspect-ratio: 4 / 3;
  object-fit: cover;
  width: 100%;
}

/* Minimal lightbox */
.thumb { display: block; text-decoration: none; }

#lbOverlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,.92);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 2000;
}

#lbOverlay.show { display: flex; }

#lbInner {
  position: relative;
  max-width: 95vw;
  max-height: 90vh;
}

#lbImg, #lbVid {
  max-width: 95vw;
  max-height: 90vh;
  display: block;
}

#lbVid { display: none; }

.lbNav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  font-size: 48px;
  line-height: 1;
  padding: 0 14px;
  color: rgba(255,255,255,.9);
  user-select: none;
  cursor: pointer;
}

#lbPrev { left: -70px; }
#lbNext { right: -70px; }

@media (max-width: 576px) {
  #lbPrev { left: 8px; }
  #lbNext { right: 8px; }
  .lbNav { font-size: 42px; }
}