.lightbox {
  display: none;
  position: fixed;
  inset: 0;
  z-index: var(--z-modal);
  align-items: center;
  justify-content: center;
}

.lightbox.is-open {
  display: flex;
}

.lightbox__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.9);
}

.lightbox__close {
  position: absolute;
  top: 20px;
  right: 20px;
  background: rgba(255, 255, 255, 0.15);
  border: none;
  border-radius: 50%;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: #fff;
  z-index: 1;
  transition: background var(--t-fast);
}

.lightbox__close:hover {
  background: rgba(255, 255, 255, 0.25);
}

.lightbox__img {
  position: relative;
  z-index: 1;
  max-width: 90vw;
  max-height: 90vh;
  object-fit: contain;
  border-radius: var(--radius-sm);
  animation: fadeIn 200ms cubic-bezier(0.4, 0, 0.2, 1);
}