body {
      font-family: Montserrat, sans-serif;
      background-color: #f4f4f4;
      margin: 0;
      padding: 0;
    }

    #pdf-viewer {
      display: flex;
      flex-direction: column;
      gap: 20px;
      align-items: center;
      padding: 20px;
    }

    .pdf-page {
      border: 2px solid #ccc;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
      padding: 10px;
      background: white;
      border-radius: 10px;
    }

    canvas {
      display: block;
      max-width: 100%;
      height: auto;
    }