/* ============================================================
   RSGMAU — LIGHTBOX CSS
   ============================================================ */
.lightbox-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.92);
  backdrop-filter: blur(8px);
  z-index: var(--z-modal);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-6);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
}

.lightbox-overlay.active {
  opacity: 1;
  visibility: visible;
}

.lightbox-inner {
  position: relative;
  max-width: 90vw;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-4);
}

.lightbox-img {
  max-width: 100%;
  max-height: 80vh;
  object-fit: contain;
  border-radius: var(--radius-lg);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
  display: block;
  animation: lightboxIn 0.3s ease;
}

@keyframes lightboxIn {
  from { transform: scale(0.85); opacity: 0; }
  to   { transform: scale(1); opacity: 1; }
}

.lightbox-close {
  position: fixed;
  top: var(--space-4);
  right: var(--space-4);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: white;
  font-size: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
  z-index: 1;
}

.lightbox-close:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: scale(1.1);
}

.lightbox-caption {
  color: rgba(255, 255, 255, 0.85);
  font-size: var(--text-sm);
  text-align: center;
  max-width: 600px;
  padding: var(--space-2) var(--space-4);
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-full);
  backdrop-filter: blur(4px);
}