#chat-button {
  position: fixed;
  bottom: 20px;
  right: 20px;
  background-color: #4CAF50;
  color: white;
  padding: 12px 20px;
  border: none;
  border-radius: 50%;
  cursor: pointer;
  z-index: 9999;
}
#chat-popup {
  display: none;
  position: fixed;
  bottom: 80px;
  right: 20px;
  width: 300px;
  height: 400px;
  background: white;
  border: 1px solid #ccc;
  border-radius: 10px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  z-index: 9999;
}
#chat-messages {
  flex: 1;
  padding: 10px;
  overflow-y: auto;
  font-size: 14px;
}
#chat-input-container {
  display: flex;
  height: 50px;
}
#chat-input {
  flex: 1;
  padding: 10px;
  border: none;
  border-top: 1px solid #ccc;
}
#send-button {
  width: 50px;
  background: #4CAF50;
  color: white;
  border: none;
  cursor: pointer;
}