document.addEventListener('DOMContentLoaded', function () {
    // Sidebar Toggle (Mobile)
    var toggle = document.getElementById('sidebarToggle');
    var sidebar = document.querySelector('.admin-sidebar');
    if (toggle && sidebar) {
        toggle.addEventListener('click', function () {
            sidebar.classList.toggle('open');
        });
        // Sidebar schließen bei Klick außerhalb
        document.addEventListener('click', function (e) {
            if (sidebar.classList.contains('open') &&
                !sidebar.contains(e.target) &&
                e.target !== toggle) {
                sidebar.classList.remove('open');
            }
        });
    }

    // Flash-Nachrichten automatisch ausblenden
    document.querySelectorAll('.flash').forEach(function (el) {
        setTimeout(function () {
            el.style.transition = 'opacity 0.5s';
            el.style.opacity = '0';
            setTimeout(function () { el.remove(); }, 500);
        }, 5000);
    });
});