function register() {
    const email = document.getElementById('regEmail').value;
    const password = document.getElementById('regPassword').value;

    if (!email || !password) {
        alert('Please fill in all fields.');
        return;
    }

    localStorage.setItem('userEmail', email);
    localStorage.setItem('userPassword', password);
    window.location.href = 'login.html';
}

function login() {
    const email = document.getElementById('logEmail').value;
    const password = document.getElementById('logPassword').value;

    const storedEmail = localStorage.getItem('userEmail');
    const storedPassword = localStorage.getItem('userPassword');

    if (email === storedEmail && password === storedPassword) {
        localStorage.setItem('loggedIn', true);
        window.location.href = 'index.html';
    } else {
        alert('Invalid credentials.');
    }
}