/* Simple popup styles */
#ck-popup-backdrop { position: fixed; inset:0; display:flex; align-items:center; justify-content:center; background: rgba(0,0,0,0.5); z-index:9999; }
.ck-hidden { display:none !important; }
#ck-popup { background:white; padding:20px; width:320px; border-radius:8px; box-shadow:0 8px 30px rgba(0,0,0,0.2); position:relative; font-family: Arial, sans-serif; }
#ck-popup h2 { margin-top:0; font-size:18px; }
#ck-popup input { width:100%; padding:8px; margin:6px 0; box-sizing:border-box; }
#ck-popup button { padding:8px 12px; margin-top:6px; }
#ck-close { position:absolute; right:8px; top:6px; background:transparent; border:none; font-size:20px; cursor:pointer; }
#ck-msg { margin-top:8px; min-height:18px; }