body {
    font-family: 'Segoe UI', sans-serif;
    background: #f2f2f2;
    margin: 0;
    padding: 0;
    display: flex;
    height: 100vh;
    justify-content: center;
    align-items: center;
  }
  
  .chat-container {
    width: 90%;
    max-width: 500px;
    background: #fff;
    border-radius: 10px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
    padding: 20px;
  }
  
  .chat-box {
    height: 300px;
    overflow-y: auto;
    border: 1px solid #ccc;
    padding: 10px;
    margin-bottom: 15px;
    background-color: #fafafa;
  }
  
  .chat-box .message {
    margin: 10px 0;
  }
  
  .chat-input {
    display: flex;
    gap: 10px;
  }
  
  .chat-input input {
    flex: 1;
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 5px;
  }
  
  .chat-input button {
    padding: 10px 20px;
    background: #007bff;
    color: #fff;
    border: none;
    border-radius: 5px;
    cursor: pointer;
  }
  
  .chat-input button:hover {
    background: #0056b3;
  }