function toggleFAQ(index) {
    const content = document.getElementById(`content-${index}`);
    const icon = document.getElementById(`icon-${index}`);
    
    if (content.classList.contains('hidden')) {
        content.classList.remove('hidden');
        icon.classList.add('rotate-180');
    } else {
        content.classList.add('hidden');
        icon.classList.remove('rotate-180');
    }
}

function toggleAllFAQs() {
    const button = document.getElementById('toggle-all-btn');
    const allContents = document.querySelectorAll('[id^="content-"]');
    const allIcons = document.querySelectorAll('[id^="icon-"]');
    
    // Prüfen ob alle eingeklappt sind
    const allCollapsed = Array.from(allContents).every(content => content.classList.contains('hidden'));
    
    if (allCollapsed) {
        // Alle ausklappen
        allContents.forEach(content => content.classList.remove('hidden'));
        allIcons.forEach(icon => icon.classList.add('rotate-180'));
        button.innerHTML = '📁 Alle einklappen';
    } else {
        // Alle einklappen
        allContents.forEach(content => content.classList.add('hidden'));
        allIcons.forEach(icon => icon.classList.remove('rotate-180'));
        button.innerHTML = '📂 Alle ausklappen';
    }
}