body {
    font-family: Arial, sans-serif;
    background-color: #f1f1f1;
    margin: 0;
    padding: 20px;
  }
  
  .chat-container {
    max-width: 600px;
    margin: 0 auto;
  }
  
  .chat-input {
    display: flex;
  }
  
  .chat-input label {
    margin-right: 10px;
  }
  
  .chat-input input[type="text"] {
    flex: 1;
    padding: 8px;
    border: 1px solid #ccc;
    border-radius: 5px;
    outline: none;
  }
  
  .chat-input button {
    padding: 8px 15px;
    background-color: #4CAF50;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
  }
  
  .chat-box {
    margin-top: 20px;
    padding: 10px;
    background-color: #fff;
    border: 1px solid #ccc;
    border-radius: 5px;
    list-style-type: none;
  }
  
  .chat-box li {
    margin-bottom: 10px;
  }
  
  .chat-box li:last-child {
    margin-bottom: 0;
  }
  
  .you {
    color: #4CAF50;
  }
  
  .ai {
    color: #007bff;
  }