body {
  font-family: Arial, sans-serif;
  background-color: #1a1a1a;
  color: white;
  display: flex;
  justify-content: center;
  padding: 50px;
}

.chatbox {
  width: 600px;
  background-color: #2c2c3c;
  padding: 20px;
  border-radius: 12px;
}

textarea {
  width: 100%;
  height: 100px;
  border-radius: 10px;
  padding: 10px;
  font-size: 1em;
  background-color: #1e1e2f;
  color: white;
  border: none;
}

button {
  width: 100%;
  padding: 10px;
  margin-top: 10px;
  background-color: #4caf50;
  color: white;
  border: none;
  font-size: 1rem;
  border-radius: 8px;
  cursor: pointer;
}

#response {
  margin-top: 20px;
  padding: 15px;
  background: #333;
  border-left: 4px solid #4caf50;
  border-radius: 10px;
}