/* Minimal, fast lightbox */
.lightbox-overlay{position:fixed;inset:0;background:rgba(0,0,0,.85);display:none;align-items:center;justify-content:center;z-index:10000;padding:20px;}
.lightbox-overlay.open{display:flex;}
.lightbox-content{max-width:92vw;max-height:92vh;position:relative;}
.lightbox-img{max-width:100%;max-height:100%;display:block;border-radius:12px;box-shadow:0 20px 50px rgba(0,0,0,.5);}
.lightbox-caption{position:absolute;left:0;right:0;bottom:-40px;color:#fff;text-align:center;font:600 14px/1.2 system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;opacity:.9}
.lb-btn{position:absolute;display:flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:999px;background:rgba(255,255,255,.15);color:#fff;backdrop-filter:saturate(180%) blur(6px);border:1px solid rgba(255,255,255,.25);cursor:pointer;transition:transform .1s ease, background .1s ease;}
.lb-btn:hover{background:rgba(255,255,255,.25);transform:translateY(-1px);}
.lb-close{top:-12px;right:-12px;}
.lb-prev{top:50%;left:-12px;transform:translate(-50%,-50%);} 
.lb-next{top:50%;right:-12px;transform:translate(50%,-50%);} 
@media (max-width: 720px){
  .lightbox-caption{display:none;}
  .lb-prev,.lb-next{display:none;}
}