/* Lightbox styles */
#lightbox-overlay {
  position: fixed;
  top: 0; left: 0; width: 100vw; height: 100vh;
  background: rgba(30, 30, 40, 0.7);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.2s;
}
#lightbox-content {
  position: relative;
  background: rgba(128, 128, 128, 0.35);
  border-radius: 2rem;
  box-shadow: 0 8px 32px rgba(31,38,135,0.25), inset 0 4px 20px rgba(255,255,255,0.3);
  padding: 2rem;
  max-width: 100vw;
  max-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
}
#lightbox-img {
  max-width: 84vw;
  max-height: 76vh;
  border-radius: 1.5rem;
  box-shadow: 0 2px 8px rgba(31,38,135,0.18);
}
#lightbox-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: rgba(255,255,255,0.7);
  border: none;
  border-radius: 50%;
  font-size: 2rem;
  color: #333;
  cursor: pointer;
  width: 2.5rem;
  height: 2.5rem;
  box-shadow: 0 2px 8px rgba(31,38,135,0.12);
  z-index: 2;
}
#lightbox-close:focus {
  outline: 2px solid #333;
}