// Hamburger-Nav (läuft auf allen Seiten via app.js)
document.addEventListener('DOMContentLoaded', () => {
  const toggle = document.getElementById('hamburger-toggle');
  const panel  = document.getElementById('hamburger-panel');
  if (!toggle || !panel) return;

  toggle.addEventListener('click', () => {
    const open = toggle.getAttribute('aria-expanded') === 'true';
    toggle.setAttribute('aria-expanded', String(!open));
    panel.hidden = open;
  });

  document.addEventListener('click', e => {
    if (!toggle.contains(e.target) && !panel.contains(e.target)) {
      toggle.setAttribute('aria-expanded', 'false');
      panel.hidden = true;
    }
  });
});