document.addEventListener('DOMContentLoaded', function() {
    // Add current date to the dashboard
    const now = new Date();
    const months = [
        'Januar', 'Februar', 'März', 'April', 'Mai', 'Juni', 
        'Juli', 'August', 'September', 'Oktober', 'November', 'Dezember'
    ];
    
    // Format date for display
    const formattedDate = `${months[now.getMonth()]} ${now.getFullYear()}`;
    
    // Add to any elements with date-display class
    const dateElements = document.querySelectorAll('.date-display');
    dateElements.forEach(element => {
        element.textContent = formattedDate;
    });
    
    // Handle form validation
    const forms = document.querySelectorAll('form');
    forms.forEach(form => {
        form.addEventListener('submit', function(event) {
            const amountInput = form.querySelector('input[name="amount"]');
            if (amountInput && parseFloat(amountInput.value) <= 0) {
                event.preventDefault();
                alert('Bitte geben Sie einen gültigen Betrag ein (größer als 0).');
            }
        });
    });
    
    // Add responsive menu toggle for mobile
    const menuToggle = document.createElement('button');
    menuToggle.classList.add('menu-toggle');
    menuToggle.innerHTML = '<i class="fas fa-bars"></i>';
    
    const sidebar = document.querySelector('.sidebar');
    if (sidebar) {
        sidebar.parentNode.insertBefore(menuToggle, sidebar);
        
        menuToggle.addEventListener('click', function() {
            sidebar.classList.toggle('active');
        });
    }
});