    justify-content: center;
      height: 100vh;
      background-color: #f9f9f9;
    }

    #chat-container {
      display: flex;
      flex-direction: column;
      width: 100%;
      max-width: 600px;
      height: 80%;
      border: 1px solid #ccc;
      border-radius: 8px;
      overflow: hidden;
      background-color: white;
    }

    #chat {
      flex: 1;
      padding: 1em;
      overflow-y: auto;
      background-color: #f1f1f1;
    }

    .user {
      text-align: right;
      color: blue;
  