.lb-overlay {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: rgba(2, 21, 32, 0.96);
  align-items: center;
  justify-content: center;
  padding: 60px 16px 48px;
}
.lb-overlay.lb-open {
  display: flex;
}
.lb-img {
  max-width: 90vw;
  max-height: 82vh;
  object-fit: contain;
  border-radius: 2px;
  box-shadow: 0 12px 60px rgba(0, 0, 0, 0.7);
  user-select: none;
  display: block;
}
.lb-close {
  position: fixed;
  top: 16px;
  right: 20px;
  background: none;
  border: 1px solid rgba(255,255,255,.2);
  color: #fff;
  cursor: pointer;
  font-size: 1.1rem;
  line-height: 1;
  padding: 8px 12px;
  opacity: .7;
  transition: opacity .2s, border-color .2s;
  z-index: 10000;
  font-family: 'Space Mono', monospace;
}
.lb-close:hover { opacity: 1; border-color: #b8ff00; color: #b8ff00; }
.lb-prev,
.lb-next {
  position: fixed;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: 1px solid rgba(255,255,255,.15);
  color: #fff;
  cursor: pointer;
  font-size: 1.4rem;
  line-height: 1;
  padding: 16px 14px;
  opacity: .6;
  transition: opacity .2s, border-color .2s;
  z-index: 10000;
}
.lb-prev { left: 12px; }
.lb-next { right: 12px; }
.lb-prev:hover,
.lb-next:hover { opacity: 1; border-color: #b8ff00; color: #b8ff00; }
.lb-counter {
  position: fixed;
  bottom: 16px;
  left: 50%;
  transform: translateX(-50%);
  color: rgba(255, 255, 255, .4);
  font-family: 'Space Mono', monospace;
  font-size: .62rem;
  letter-spacing: .15em;
  white-space: nowrap;
}
@media (max-width: 600px) {
  .lb-prev { left: 2px; padding: 12px 10px; }
  .lb-next { right: 2px; padding: 12px 10px; }
  .lb-img { max-height: 78vh; }
}