/* Popup overlay */
#wfcbc-overlay{display:none;position:fixed;z-index:999999;left:0;top:0;width:100%;height:100%;background:rgba(0,0,0,0.6);display:flex;align-items:center;justify-content:center;padding:20px;}
#wfcbc-popup{background:#fff;border-radius:10px;padding:20px;max-width:420px;width:100%;box-shadow:0 10px 30px rgba(0,0,0,0.2);}
#wfcbc-popup h3{margin:0 0 8px;font-size:18px;}
#wfcbc-popup p{margin:0 0 12px;color:#333;}
#wfcbc-popup input{width:100%;padding:10px;margin:6px 0;border:1px solid #ddd;border-radius:6px;font-size:14px;}
.wfcbc-actions{display:flex;gap:8px;align-items:center;justify-content:flex-end;margin-top:10px;}
.wfcbc-btn{background:#f0c14b;border:1px solid #a88734;color:#111;padding:8px 12px;border-radius:6px;cursor:pointer;font-weight:700;}
.wfcbc-cancel{background:#eee;border:1px solid #ccc;}
.wfcbc-error{color:#b00020;margin-top:8px;font-weight:600;}