<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Nanogram Puzzle</title>
    <link rel="stylesheet" href="style.css">
</head>
<body>
    <h1>Nanogram Puzzle</h1>
    <div id="game-container">
        <div id="column-hints"></div>
        <div id="row-hints"></div>
        <div id="grid"></div>
    </div>
    <div id="controls">
        <p id="message">Click or hold to fill, Right-click (or Ctrl+Click/Long-press on touch) to mark 'X'.</p>
        <button onclick="resetGame()">Reset Puzzle</button>
        <button onclick="newPuzzle()">New Puzzle (5x5)</button>
    </div>

    <script src="script.js"></script>
</body>
</html>