body {
      margin: 0;
      font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
      background-color: #f9f9f9;
      color: #333;
    }

    header {
      background-color: #2c3e50;
      color: white;
      padding: 1rem 1rem;
      text-align: center;

    }

    header h1 {
      margin: 0;
      font-size: 2.5rem;
    }

    main {
      max-width: 800px;
      margin: 2rem auto;
      padding: 0 1rem;
    }

    .description {
      background: white;
      padding: 2rem;
      border-radius: 8px;
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
    }

    .description h2 {
      margin-top: 0;
      color: #2c3e50;
    }

    .description p {
      line-height: 1.6;

    }

        .upload-container {
      background: white;
      padding: 30px 40px;
      border-radius: 12px;
      box-shadow: 0 6px 20px rgba(0, 0, 0, 0.1);
      text-align: center;
    }

    .upload-btn {
      background-color: #0078d4;
      color: white;
      border: none;
      padding: 12px 24px;
      font-size: 16px;
      border-radius: 8px;
      cursor: pointer;
      transition: background-color 0.3s ease;
    }

    .upload-btn:hover {
      background-color: #005ea6;
    }

    input[type="file"] {
      display: none;
    }

    .file-list {
      margin-top: 20px;
      text-align: left;
      max-height: 200px;
      overflow-y: auto;
      font-size: 14px;
      font-weight: bold;
    }

    .file-list li {
      margin-bottom: 5px;

    }

    .modern-button {
      padding: 12px 24px;
      background: linear-gradient(135deg, #005ea6, #6366f1);
      border: none;
      border-radius: 8px;
      color: white;
      font-size: 16px;
      font-weight: 500;
      cursor: pointer;
      transition: transform 0.2s, box-shadow 0.2s;
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    }

    .modern-button:hover {
      transform: translateY(-2px);
      box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
    }

    .modern-button:active {
      transform: translateY(1px);
      box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
    }

    /* Basic menu bar styling */
    .menu-bar {
      background-color: #3a3b3c;
      overflow: hidden;
      margin-top: 0;
    }

    .menu-bar a, .dropdown-btn {
      float: left;
      font-size: 16px;
      color: white;
      text-align: center;
      padding: 14px 16px;
      text-decoration: none;
      background-color: inherit;
      border: none;
      outline: none;
      cursor: pointer;
    }

    .center-img {
      display: block;
      margin-left: auto;
      margin-right: auto;
      width: 70%; /* adjust as needed */
    }