/* Global Styles */
body {
    background: #f7f7f7;
    font-family: 'Roboto', sans-serif;
    margin: 0;
    padding: 0;
    color: #333;
  }
  
  /* Containers */
  .container {
    width: 100%;
    max-width: 450px;
    margin: 80px auto;
    padding: 40px;
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.1);
  }
  
  .dashboard-container {
    max-width: 800px;
    margin: 80px auto;
    padding: 40px;
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.1);
  }
  
  /* Headings */
  h1, h2, h3 {
    text-align: center;
    color: #333;
    margin-bottom: 20px;
  }
  
  /* Form Elements */
  form {
    display: flex;
    flex-direction: column;
  }
  
  input[type="text"],
  input[type="password"],
  input[type="url"] {
    margin: 10px 0;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 16px;
  }
  
  input[type="submit"] {
    margin: 20px 0;
    padding: 12px;
    border: none;
    border-radius: 4px;
    background: #4CAF50;
    color: #fff;
    font-size: 16px;
    cursor: pointer;
  }
  
  input[type="submit"]:hover {
    background: #45a049;
  }
  
  /* Links */
  a {
    text-decoration: none;
    color: #4CAF50;
    font-weight: bold;
    margin-top: 10px;
    display: inline-block;
  }
  
  a:hover {
    color: #45a049;
  }
  
  /* Table Container for Horizontal Scroll */
  .table-container {
    width: 100%;
    overflow-x: auto;
  }
  
  /* Table Styles */
  table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 20px;
  }
  
  table, th, td {
    border: 1px solid #ddd;
  }
  
  th, td {
    padding: 10px;
    text-align: left;
  }
  
  th {
    background: #f2f2f2;
  }
  
  /* Additional UI Elements */
  .error {
    color: #e74c3c;
    text-align: center;
    margin-top: 10px;
  }
  
  .nav {
    text-align: center;
    margin-bottom: 20px;
  }
  
  .final-link {
    text-align: center;
    margin-bottom: 20px;
  }
  
  .final-link input[type="text"] {
    width: 80%;
    margin: 10px auto;
    text-align: center;
  }
  
  .final-link button {
    padding: 10px 20px;
    border: none;
    background: #4CAF50;
    color: #fff;
    border-radius: 4px;
    cursor: pointer;
  }
  
  .final-link button:hover {
    background: #45a049;
  }
  
  .delete-link {
    color: #e74c3c;
    text-decoration: none;
    font-weight: bold;
    margin-left: 5px;
  }
  
  .delete-link:hover {
    text-decoration: underline;
  }
  
  .qr-code-button {
    padding: 6px 10px;
    background: #3498db;
    color: #fff;
    border-radius: 4px;
    text-decoration: none;
    font-weight: bold;
  }
  
  .qr-code-button:hover {
    background: #2980b9;
  }
  
  /* Modal Styles for QR Code Popup */
  .modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0,0,0,0.4);
  }
  
  .modal-content {
    background-color: #fefefe;
    margin: 15% auto;
    padding: 20px;
    border: 1px solid #888;
    width: 320px;
    text-align: center;
    border-radius: 8px;
    position: relative;
  }
  
  .close {
    color: #aaa;
    position: absolute;
    top: 8px;
    right: 12px;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
  }
  
  .close:hover,
  .close:focus {
    color: #000;
  }
  
  .modal-content img {
    width: 300px;
    height: 300px;
  }
  
  /* Responsive Styles */
  @media screen and (max-width: 600px) {
    .container, .dashboard-container {
      width: 90%;
      margin: 20px auto;
      padding: 20px;
    }
    
    h1, h2, h3 {
      font-size: 1.5em;
    }
    
    input[type="text"],
    input[type="password"],
    input[type="url"],
    input[type="submit"] {
      font-size: 14px;
      padding: 10px;
    }
    
    table, th, td {
      font-size: 14px;
    }
    
    .final-link input[type="text"] {
      width: 100%;
    }
    
    .modal-content {
      width: 90%;
      margin: 30% auto;
    }
  }