body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    background-color: #f4f4f9;
  }
  
  .container {
    display: flex;
    flex-direction: row;
    width: 80%;
    max-width: 900px;
  }
  
  #main-content {
    text-align: center;
    flex: 2;
  }
  
  .qr-reader {
    width: 100%;
    margin-top: 20px;
  }
  
  button {
    margin-top: 10px;
    padding: 10px 20px;
    background-color: #007bff;
    color: white;
    border: none;
    cursor: pointer;
  }
  
  button:hover {
    background-color: #0056b3;
  }
  
  /* Sidebar */
  #totp-dashboard {
    flex: 1;
    background-color: #fff;
    padding: 20px;
    border-left: 2px solid #ddd;
    overflow-y: auto;
  }
  
  #totp-list {
    list-style-type: none;
    padding: 0;
  }
  
  #totp-list h3 {
    font-size: 1.1em;
    margin: 10px 0 5px;
  }
  
  #totp-list p {
    margin: 5px 0;
    font-size: 1.3em;
    color: #333;
  }