index.html

<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>Simple CSV Viewer</title>
    <link rel="stylesheet" href="style.css" />
  </head>
  <body>
    <h1>Simple CSV Viewer</h1>
    <div id="drop-area">
      <p>Drag & drop a CSV file here, or click to select</p>
      <input type="file" id="fileElem" accept=".csv" style="display: none" />
    </div>
    <div id="table-container"></div>
    <div id="buttons-container">
      <button id="editButton" disabled>Edit</button>
      <button id="saveButton" disabled>Save as CSV</button>
      <button id="jsonButton" disabled>Save as JSON</button>
      <button id="clearButton" disabled>Clear</button>
    </div>
    <script src="script.js"></script>
  </body>
</html>