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<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>To-Do List</title>
    <link rel="stylesheet" href="styles.css">
</head>
<body>
    <header>
        <h1>To-Do List</h1>
    </header>

    <main>
        <!-- To-Do Form -->
        <section id="todo-form">
            <h2>Add New To-Do</h2>
            <form id="new-todo-form">
                <label for="todo-title">Title:</label>
                <input type="text" id="todo-title" name="todo-title" required>
                
                <label for="todo-desc">Description:</label>
                <textarea id="todo-desc" name="todo-desc" required></textarea>

                <button type="submit">Add To-Do</button>
            </form>
        </section>

        <!-- To-Do List Section -->
        <section id="todo-list">
            <h2>Your To-Dos</h2>
            <div id="cards-container">
                <!-- Cards will be added here dynamically -->
            </div>
        </section>
    </main>

    <script src="script.js"></script>
</body>
</html>












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

header {
    background-color: #333;
    color: white;
    padding: 1em 0;
    text-align: center;
}

#todo-form, #todo-list {
    max-width: 600px;
    margin: 20px auto;
    padding: 20px;
    background-color: white;
    border-radius: 5px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

h2 {
    margin-bottom: 15px;
}

#new-todo-form label {
    display: block;
    margin: 10px 0 5px;
}

#new-todo-form input, #new-todo-form textarea {
    width: 100%;
    padding: 10px;
    margin-bottom: 10px;
    border: 1px solid #ccc;
    border-radius: 5px;
}

#new-todo-form button {
    background-color: #28a745;
    color: white;
    padding: 10px 20px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
}

#cards-container {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
}

.card {
    background-color: #fff;
    border: 1px solid #ddd;
    border-radius: 5px;
    padding: 15px;
    width: calc(50% - 10px);
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

.card h3 {
    margin: 0 0 10px;
}

.card p {
    margin: 0;
}













// Initialize to-do list
const todoList = JSON.parse(localStorage.getItem('todos')) || [];

// DOM Elements
const todoForm = document.getElementById('new-todo-form');
const cardsContainer = document.getElementById('cards-container');

// Function to create a new card
function createCard(todo) {
    const card = document.createElement('div');
    card.classList.add('card');
    card.innerHTML = `
        <h3>${todo.title}</h3>
        <p>${todo.description}</p>
    `;
    cardsContainer.appendChild(card);
}

// Load stored To-Dos on page load
window.onload = function () {
    todoList.forEach(todo => {
        createCard(todo);
    });
};

// Form validation with Regex and Add To-Do
todoForm.addEventListener('submit', function (e) {
    e.preventDefault();
    
    // Get form values
    const title = document.getElementById('todo-title').value;
    const description = document.getElementById('todo-desc').value;

    // Regex Validation: Title must be at least 3 characters
    const titleRegex = /^[A-Za-z0-9 ]{3,}$/;
    if (!titleRegex.test(title)) {
        alert('Title must be at least 3 characters long and only contain letters and numbers.');
        return;
    }

    // Create new to-do object
    const newTodo = {
        title: title,
        description: description
    };

    // Add to list and local storage
    todoList.push(newTodo);
    localStorage.setItem('todos', JSON.stringify(todoList));

    // Add new to-do to the UI
    createCard(newTodo);

    // Reset the form
    todoForm.reset();
});
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