.gb-filtros {
    text-align:center;
    margin-bottom:12px;
}
.gb-filtros .gb-filter {
    display:inline-block;
    margin:4px;
    padding:6px 10px;
    border-radius:6px;
    background:#f3e6d9;
    cursor:pointer;
    border: none;
    font-weight:600;
}
.gb-galeria {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 14px;
    margin: 20px auto;
    max-width: 1100px;
    transition: all .3s ease;
}
.gb-item {
    position: relative;
    overflow: hidden;
    border-radius:10px;
    background: #fff;
    box-shadow: 0 6px 18px rgba(0,0,0,0.06);
    transform-origin: center;
    transition: transform .25s ease, box-shadow .25s ease;
}
.gb-item:hover { transform: translateY(-6px); box-shadow: 0 12px 26px rgba(0,0,0,0.12); }
.gb-item img { width:100%; height:220px; object-fit:cover; display:block; cursor:pointer; }
.gb-title {
    position:absolute;
    left:8px;
    bottom:8px;
    background: rgba(0,0,0,0.5);
    color:#fff;
    padding:4px 8px;
    border-radius:6px;
    font-size:14px;
}

/* Pagination */
.gb-pagination { text-align:center; margin-top:18px; }
.gb-pagination .page-numbers { margin:0 4px; padding:8px 10px; background:#c19a6b; color:#fff; border-radius:6px; text-decoration:none; }

/* Lightbox */
#gb-popup-overlay { display:none; position:fixed; inset:0; background:rgba(0,0,0,0.78); z-index:99999; align-items:center; justify-content:center; padding:20px; }
#gb-popup-overlay.active { display:flex; }
#gb-popup-img { max-width:95%; max-height:95%; border-radius:8px; box-shadow:0 10px 30px rgba(0,0,0,0.6); }

/* Upload form */
#gb-upload-form { display:flex; gap:8px; align-items:center; margin:12px 0; }
#gb-upload-msg { margin-left:12px; font-weight:600; }
@media (max-width:800px){ .gb-galeria{ grid-template-columns: repeat(2,1fr);} .gb-item img{height:180px;} }
@media (max-width:480px){ .gb-galeria{ grid-template-columns: repeat(1,1fr);} .gb-item img{height:160px;} }