body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  margin: 0;
  padding: 0;
  background: #f5f5f5;
  color: #333;
}

header {
  background: #111;
  color: #fff;
  padding: 2rem;
  text-align: center;
}

main {
  padding: 2rem;
  text-align: center;
}

.chatbot-button {
  position: fixed;
  bottom: 20px;
  right: 20px;
  background-color: #1e90ff;
  color: white;
  border: none;
  border-radius: 50px;
  padding: 12px 20px;
  font-size: 16px;
  cursor: pointer;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
  z-index: 9999;
}

.chatbot-iframe {
  position: fixed;
  bottom: 80px;
  right: 20px;
  width: 400px;
  height: 600px;
  border: none;
  display: none;
  z-index: 9998;
}