.aibg-section{
  border-radius:14px;
  padding:16px;
  margin:16px 0;
}

.aibg-grid{display:grid;gap:14px;}
.aibg-cols-2{grid-template-columns:repeat(2,minmax(0,1fr));}
.aibg-cols-3{grid-template-columns:repeat(3,minmax(0,1fr));}
.aibg-cols-4{grid-template-columns:repeat(4,minmax(0,1fr));}

.aibg-card-item{
  background:#fff;
  border:1px solid rgba(0,0,0,0.08);
  border-radius:14px;
  padding:14px;
  display:flex;
  flex-direction:column;
  min-height:140px;
}

.aibg-title{font-weight:700;font-size:15px;line-height:1.35;}
.aibg-meta{font-size:12px;opacity:0.75;margin-top:6px;}
.aibg-excerpt{font-size:13px;line-height:1.5;margin-top:10px;opacity:0.95;}
.aibg-actions{margin-top:auto;}
.aibg-read{margin-top:12px;border:1px solid rgba(0,0,0,0.12);background:#fff;padding:8px 10px;border-radius:10px;cursor:pointer;}
.aibg-read:hover{background:rgba(0,0,0,0.03);}

.aibg-list{display:flex;flex-direction:column;gap:10px;}
.aibg-item-row{
  background:#fff;
  border:1px solid rgba(0,0,0,0.08);
  border-radius:14px;
  padding:12px 14px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
}
.aibg-row-actions .aibg-read{margin-top:0;}

.aibg-loadmore-wrap{margin-top:14px;display:flex;flex-direction:column;align-items:center;gap:8px;}
.aibg-loadmore{border:1px solid rgba(0,0,0,0.12);background:#111;color:#fff;padding:10px 14px;border-radius:12px;cursor:pointer;}
.aibg-loadmore:disabled{opacity:0.6;cursor:not-allowed;}
.aibg-countdown{font-size:12px;opacity:0.8;}

/* Modal */
.aibg-modal{position:fixed;inset:0;z-index:999999;}
.aibg-modal-backdrop{position:absolute;inset:0;background:rgba(0,0,0,0.55);} 
.aibg-modal-content{position:relative;margin:6vh auto; width:min(780px, 92vw); max-height:88vh; overflow:auto; background:#fff; border-radius:18px; border:1px solid rgba(0,0,0,0.12); padding:18px 18px 16px; box-shadow:0 18px 55px rgba(0,0,0,0.25);} 
.aibg-modal-close{position:absolute; top:10px; right:10px; width:38px; height:38px; border-radius:12px; border:1px solid rgba(0,0,0,0.12); background:#fff; cursor:pointer; font-size:20px; line-height:1;} 
.aibg-modal-title{font-weight:800;font-size:18px;line-height:1.35;padding-right:52px;}
.aibg-modal-meta{font-size:12px;opacity:0.75;margin-top:6px;}
.aibg-modal-body{font-size:14px;line-height:1.7;white-space:pre-wrap;margin-top:14px;}
.aibg-modal-footer{margin-top:14px;display:flex;gap:10px;justify-content:flex-end;align-items:center;}
.aibg-source{border:1px solid rgba(0,0,0,0.12);background:#111;color:#fff;padding:9px 12px;border-radius:12px;text-decoration:none;}
.aibg-source:hover{opacity:0.92;}