.elga-lightbox{
  position:fixed;
  inset:0;
  background: rgba(0,0,0,.88);
  display:none;
  z-index: 999999;
  align-items:center;
  justify-content:center;
  padding: 18px;
}
.elga-lightbox.is-open{ display:flex; }

.elga-lightbox__img{
  max-width: min(1100px, 96vw);
  max-height: 86vh;
  border-radius: 14px;
  box-shadow: 0 20px 60px rgba(0,0,0,.35);
  background:#111;
}

.elga-lightbox__btn{
  position:absolute;
  top:16px;
  width:44px;
  height:44px;
  border-radius: 999px;
  border:0;
  background: rgba(255,255,255,.10);
  color:#fff;
  cursor:pointer;
  font-size: 22px;
  line-height:44px;
}
.elga-lightbox__btn:hover{ background: rgba(255,255,255,.18); }

.elga-lightbox__close{ right:16px; }
.elga-lightbox__prev{ left:16px; top:50%; transform: translateY(-50%); }
.elga-lightbox__next{ right:16px; top:50%; transform: translateY(-50%); }