/* =========================================
   Paper Burner - Image Lightbox Styles
   ========================================= */

.lightbox-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(15, 23, 42, 0.9); /* Slate 900 with opacity */
  backdrop-filter: blur(5px);
  z-index: 2000; /* High z-index to be on top of everything including immersive mode */
  display: flex;
  justify-content: center;
  align-items: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

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

.lightbox-content {
  max-width: 90%;
  max-height: 90%;
  position: relative;
  transform: scale(0.95);
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1); /* Slight bounce effect */
}

.lightbox-overlay.active .lightbox-content {
  transform: scale(1);
}

.lightbox-image {
  max-width: 100%;
  max-height: 90vh;
  object-fit: contain;
  border-radius: 4px;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
  user-select: none;
}

.lightbox-close-btn {
  position: absolute;
  top: -40px;
  right: 0;
  background: none;
  border: none;
  color: white;
  font-size: 24px;
  cursor: pointer;
  opacity: 0.7;
  transition: opacity 0.2s ease, transform 0.2s ease;
  padding: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.lightbox-close-btn:hover {
  opacity: 1;
  transform: scale(1.1);
}

.lightbox-caption {
  position: absolute;
  bottom: -30px;
  left: 0;
  width: 100%;
  text-align: center;
  color: rgba(255, 255, 255, 0.9);
  font-size: 14px;
  font-weight: 500;
}

/* Loading spinner for large images */
.lightbox-spinner {
  border: 4px solid rgba(255, 255, 255, 0.1);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border-left-color: var(--color-primary-500, #3b82f6);
  animation: lightbox-spin 1s linear infinite;
  position: absolute;
}

@keyframes lightbox-spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}