/* ==========================================
   NAVIGATION & MOBILE MENU
   ========================================== */
function toggleHamburger() {
    const navLinks = document.getElementById('navLinks');
    const hamburger = document.querySelector('.hamburger');
    navLinks.classList.toggle('mobile-open');
    hamburger.classList.toggle('active');
}

/* ==========================================
   THEME SWITCHER LOGIC
   ========================================== */
const themeBtn = document.getElementById('themeBtn');
const themeDropdown = document.getElementById('themeDropdown');
const themeButtons = document.querySelectorAll('.theme-dropdown button');
const htmlEl = document.documentElement;

// Dropdown öffnen/schließen
if (themeBtn) {
    themeBtn.addEventListener('click', (e) => {
        e.stopPropagation();
        themeDropdown.classList.toggle('show');
    });
}

// Theme auswählen
themeButtons.forEach(btn => {
    btn.addEventListener('click', () => {
        const theme = btn.getAttribute('data-theme');
        applyTheme(theme);
        themeDropdown.classList.remove('show');
    });
});

// Theme anwenden
function applyTheme(theme) {
    if (theme === 'auto') {
        localStorage.removeItem('theme');
        const prefersDark = window.matchMedia('(prefers-color-scheme: dark)').matches;
        htmlEl.setAttribute('data-theme', prefersDark ? 'dark' : 'light');
        themeBtn.innerHTML = '🌓';
    } else {
        htmlEl.setAttribute('data-theme', theme);
        localStorage.setItem('theme', theme);
        themeBtn.innerHTML = theme === 'dark' ? '🌙' : '☀️';
    }
}

// Initialisierung beim Laden
document.addEventListener('DOMContentLoaded', () => {
    const savedTheme = localStorage.getItem('theme') || 'auto';
    applyTheme(savedTheme);
});

// Klick außerhalb schließt Dropdown
window.addEventListener('click', () => {
    if (themeDropdown) themeDropdown.classList.remove('show');
});

// Mobile Menü schließen bei Klick auf Link
document.querySelectorAll('.nav-links a').forEach(link => {
    link.addEventListener('click', () => {
        document.getElementById('navLinks').classList.remove('mobile-open');
        const hamburger = document.querySelector('.hamburger');
        if (hamburger) hamburger.classList.remove('active');
    });
});