.lightbox-overlay { display:none; position:fixed; inset:0; background:rgba(0,0,0,0.92); z-index:2000; align-items:center; justify-content:center; }
.lightbox-overlay.active { display:flex; }
.lightbox-center { text-align:center; max-width:90vw; }
.lightbox-image { max-width:90vw; max-height:80vh; object-fit:contain; border-radius:4px; }
.lightbox-caption { color:rgba(255,255,255,0.8); margin-top:12px; font-size:0.9rem; }
.lightbox-close { position:absolute; top:16px; right:24px; color:white; font-size:2rem; cursor:pointer; z-index:2001; }
.lightbox-nav { position:absolute; top:50%; transform:translateY(-50%); color:white; font-size:3rem; cursor:pointer; padding:0 20px; user-select:none; z-index:2001; }
.lightbox-prev { left:8px; }
.lightbox-next { right:8px; }