.lightbox-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.88);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  cursor: zoom-out;
  opacity: 0;
  pointer-events: none;
  transition: opacity 150ms ease;
  padding: 40px;
}

.lightbox-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.lightbox-overlay img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  border-radius: 4px;
  box-shadow: 0 8px 40px rgba(0, 0, 0, 0.4);
}

.lightbox-caption {
  position: absolute;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  color: rgba(255, 255, 255, 0.75);
  font-size: 13px;
  font-family: 'DM Mono', ui-monospace, Menlo, monospace;
  max-width: 700px;
  text-align: center;
  padding: 0 16px;
  line-height: 1.5;
}

@media (max-width: 640px) {
  .lightbox-overlay { padding: 16px; }
  .lightbox-caption { bottom: 12px; font-size: 12px; }
}