.lightbox {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: rgba(0, 0, 0, 0.95);
  backdrop-filter: blur(5px);
}

.lightbox.active {
  display: flex;
}

.lightbox-content {
  max-width: 95vw;
  max-height: 95vh;
  object-fit: contain;
}

.lightbox-nav-btn {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.5);
  border-radius: 50%;
  padding: 8px;
}

@media (min-width: 768px) {
  .lightbox-nav-btn {
    width: 64px;
    height: 64px;
  }
}