.hcchat-float-btn{
  position:fixed; right:18px; bottom:18px;
  padding:12px 16px; border-radius:999px;
  background:#4B2E83; color:#fff; text-decoration:none;
  font-weight:700; box-shadow:0 6px 18px rgba(0,0,0,.2);
  z-index:99999;
}
.hcchat-float-btn:hover{ opacity:.92; }

#hcchat-embed{ max-width: 860px; margin: 0 auto; }
.hcchat-card{
  border:1px solid rgba(0,0,0,.12);
  border-radius:14px; padding:14px; margin:14px 0;
  background:#fff;
}
.hcchat-row{ margin:10px 0; }
.hcchat-user{ font-weight:700; }
.hcchat-bot{ font-weight:700; }
.hcchat-input{
  display:flex; gap:10px; align-items:stretch;
}
.hcchat-input textarea{
  width:100%; min-height:64px; resize:vertical;
  padding:10px; border-radius:12px;
  border:1px solid rgba(0,0,0,.18);
}
.hcchat-input button{
  padding:10px 14px; border-radius:12px; border:0;
  background:#4B2E83; color:#fff; font-weight:800;
  cursor:pointer;
}
.hcchat-muted{ opacity:.75; font-size: .95em; }
.hcchat-donate{
  margin-top:10px; padding:10px; border-radius:12px;
  border:1px dashed rgba(0,0,0,.25);
}