.lightbox {
  --lightbox-duration: 250ms;

  background-color: oklch(var(--lch-white) / 0.66);
  block-size: 100dvh;
  border: 0;
  inline-size: 100dvw;
  inset: 0;
  margin: auto;
  max-height: unset;
  max-width: unset;
  overflow: hidden;
  padding: var(--block-space) var(--inline-space);

  /* CSS-only open/close transitions */
  opacity: 0;
  transform: scale(0.95);
  transition-behavior: allow-discrete;
  transition-duration: calc(var(--lightbox-duration) / 2);
  transition-property: display, opacity, overlay, transform;
  transition-timing-function: ease-out;

  &[open] {
    display: grid;
    place-items: center;
    opacity: 1;
    transform: scale(1);
    transition-duration: var(--lightbox-duration);
  }

  @starting-style {
    &[open] {
      opacity: 0;
      transform: scale(0.95);
    }
  }

  &::backdrop {
    -webkit-backdrop-filter: blur(66px);
    backdrop-filter: blur(66px);
  }
}

.lightbox__btn {
  align-self: start;
  grid-area: 1/1;
  justify-self: end;
}

.lightbox__btn--download {
  align-self: end;
  grid-area: 1/1;
  justify-self: end;
}

.lightbox__btn--share {
  align-self: start;
  grid-area: 1/1;
  justify-self: start;
}

.lightbox__image {
  grid-area: 1/1;
  max-inline-size: calc(100dvw - (var(--inline-space) * 2));
  max-block-size: calc(100dvh - (var(--block-space) * 2));
}