#wpca-chat{
 max-width:500px;
 border:1px solid #ddd;
 border-radius:10px;
 padding:10px;
 background:#fff;
 font-family:sans-serif;
}
#wpca-messages{
 height:300px;
 overflow-y:auto;
 margin-bottom:10px;
}
#wpca-messages .user{
 text-align:right;
 background:#e6f3ff;
 padding:6px 10px;
 margin:4px 0;
 border-radius:12px;
}
#wpca-messages .bot{
 text-align:left;
 background:#f2f2f2;
 padding:6px 10px;
 margin:4px 0;
 border-radius:12px;
}
#wpca-input-wrap{
 display:flex;
 gap:6px;
}
#wpca-input{
 flex:1;
 padding:6px;
}
#wpca-send{
 padding:6px 12px;
}