#roo-chat-btn {
  position: fixed;
  bottom: 20px;
  right: 20px;
  background: #111;
  color: #fff;
  padding: 10px 15px;
  border-radius: 20px;
  cursor: pointer;
  font-family: sans-serif;
}

#roo-chat-box {
  position: fixed;
  bottom: 70px;
  right: 20px;
  width: 280px;
  height: 350px;
  background: #fff;
  border: 1px solid #aaa;
  border-radius: 10px;
  display: none;
  flex-direction: column;
  font-family: sans-serif;
}

#roo-messages {
  flex: 1;
  padding: 10px;
  overflow-y: auto;
}

#roo-input {
  display: flex;
  border-top: 1px solid #ccc;
}

#roo-input input {
  flex: 1;
  padding: 10px;
  border: none;
}

#roo-input button {
  padding: 10px;
  background: #111;
  color: #fff;
  border: none;
  cursor: pointer;
}