index.html

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Task Manager</title>
    <style>
        body {
            font-family: Arial, sans-serif;
            margin: 20px;
        }
        #task-form {
            margin-bottom: 20px;
        }
        .task-item {
            display: flex;
            justify-content: space-between;
            align-items: center;
            background: #f4f4f4;
            padding: 10px;
            margin-bottom: 5px;
            border-radius: 5px;
        }
        button {
            margin-left: 10px;
            padding: 5px;
        }
    </style>
</head>
<body>
    <h1>Task Manager</h1>
    <form id="task-form">
        <input type="text" id="task-name" placeholder="Enter task name" required />
        <input type="number" id="critical-number" placeholder="Critical number" required min="0" />
        <button type="submit">Add Task</button>
    </form>

    <h2>Tasks</h2>
    <div id="task-list"></div>

    <script src="app.js"></script>
</body>
</html>