body {
  font-family: Arial, sans-serif;
  background-color: #f4f4f4;
  margin: 0;
  padding: 20px;
}

#chat-container {
  max-width: 600px;
  margin: auto;
  background: #fff;
  padding: 20px;
  border-radius: 8px;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
  text-align: center;
}

#logo {
  max-width: 120px;
  margin-bottom: 10px;
}

#chat-box {
  margin-top: 20px;
}

#messages {
  text-align: left;
  margin-bottom: 15px;
  max-height: 300px;
  overflow-y: auto;
}

input[type="text"] {
  width: 80%;
  padding: 10px;
  margin-top: 10px;
}

button {
  padding: 10px 20px;
  margin-top: 10px;
  cursor: pointer;
}