#cc-chat-btn{
  position:fixed; right:18px; bottom:18px; z-index:99999;
  border:0; border-radius:999px; padding:12px 14px; cursor:pointer;
  font:600 14px system-ui; box-shadow:0 8px 24px rgba(0,0,0,.18);
  background:#111; color:#fff;
}

#cc-chat{
  position:fixed; right:18px; bottom:72px; z-index:99999;
  width:340px; max-width:calc(100vw - 36px);
  height:460px; max-height:calc(100vh - 120px);
  background:#fff; border-radius:16px; box-shadow:0 12px 40px rgba(0,0,0,.25);
  display:none; overflow:hidden; font:14px system-ui;
}

#cc-chat header{
  padding:10px 12px; background:#111; color:#fff;
  display:flex; align-items:center; justify-content:space-between;
}
#cc-chat header b{font-size:14px}
#cc-chat header button{
  background:transparent; border:0; color:#fff; font-size:18px; cursor:pointer;
}

#cc-log{
  padding:10px; gap:8px; display:flex; flex-direction:column;
  height:360px; overflow:auto; background:#fafafa;
}

.cc-msg{
  max-width:85%; padding:8px 10px; border-radius:12px;
  line-height:1.35; white-space:pre-wrap;
}
.cc-user{align-self:flex-end; background:#111; color:#fff}
.cc-bot{align-self:flex-start; background:#fff; border:1px solid #eee}

#cc-form{
  display:flex; gap:8px; padding:10px;
  background:#fff; border-top:1px solid #eee;
}
#cc-input{
  flex:1; padding:10px; border:1px solid #ddd; border-radius:10px; outline:none;
}
#cc-send{
  padding:10px 12px; border:0; border-radius:10px;
  background:#111; color:#fff; cursor:pointer;
}
#cc-send:disabled{opacity:.6; cursor:not-allowed}