.lightbox-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background:rgba(0,0,0,0.85);display:none;align-items:center;justify-content:center;z-index:9999}
.lightbox-overlay img{max-width:95%;max-height:95%;border-radius:6px}
.lightbox-close{position:absolute;top:18px;right:22px;color:#fff;font-size:28px;cursor:pointer}
.lightbox-nav{position:absolute;top:50%;transform:translateY(-50%);font-size:40px;color:#fff;cursor:pointer;user-select:none}
.lightbox-prev{left:18px}
.lightbox-next{right:18px}