/* Lightbox / Foto-Galerie (standalone) */
.lightbox-overlay{
    position:fixed;inset:0;z-index:100000;
    background:rgba(0,0,0,0.92);
    display:flex;align-items:center;justify-content:center;
    opacity:0;pointer-events:none;transition:opacity .2s ease;
}
.lightbox-overlay.lightbox-open{opacity:1;pointer-events:auto}
.lightbox-close{
    position:absolute;top:16px;right:16px;width:44px;height:44px;
    border:none;background:rgba(255,255,255,0.15);color:#fff;
    font-size:24px;font-weight:900;border-radius:999px;cursor:pointer;
    display:grid;place-items:center;z-index:10;transition:background .15s;
}
.lightbox-close:hover{background:rgba(255,255,255,0.25)}
.lightbox-counter{
    position:fixed;bottom:24px;left:50%;transform:translateX(-50%);
    color:#fff;font-size:15px;font-weight:800;z-index:100001;
    pointer-events:none;background:rgba(0,0,0,0.55);
    padding:5px 16px;border-radius:999px;
    backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);
}
.lightbox-img-wrap{
    max-width:90vw;max-height:85vh;
    display:flex;align-items:center;justify-content:center;
}
.lightbox-img-wrap img{
    max-width:90vw;max-height:85vh;object-fit:contain;border-radius:8px;
    user-select:none;-webkit-user-drag:none;
}
.lightbox-nav{
    position:absolute;top:50%;transform:translateY(-50%);
    width:48px;height:48px;border:none;
    background:rgba(255,255,255,0.15);color:#fff;
    font-size:22px;font-weight:900;border-radius:999px;cursor:pointer;
    display:grid;place-items:center;z-index:10;transition:background .15s;
}
.lightbox-nav:hover{background:rgba(255,255,255,0.3)}
.lightbox-nav--prev{left:16px}
.lightbox-nav--next{right:16px}
.lightbox-nav:disabled{opacity:0.3;cursor:default}
.lightbox-nav:disabled:hover{background:rgba(255,255,255,0.15)}
@media(max-width:600px){
    .lightbox-nav{width:40px;height:40px;font-size:18px}
    .lightbox-nav--prev{left:8px}
    .lightbox-nav--next{right:8px}
    .lightbox-close{top:10px;right:10px;width:38px;height:38px;font-size:20px}
    .lightbox-counter{bottom:20px;font-size:14px}
}