index.html

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Industrial Hours Calculator</title>
    <link rel="stylesheet" type="text/css" href="style.css">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
</head>
<body>
    <div id="converter">
        <h2>Industrial Hours Calculator</h2>
        <label for="timeInput">Enter duration (hh:mm or minutes):</label>
        <br><br><input type="text" id="timeInput" placeholder="e.g. 1:30 or 90">
        <button onclick="convertTime()">Calculate</button>
        <p id="result"></p>
        <p id="error"></p>
        <p id="showTableLink" class="showTableLink" onclick="toggleTableVisibility();">Show conversion table</p>
        <div id="calculationTableContainer"></div>
    </div>
    <script defer src="script.js"></script>
</body>
</html>