// Theme Toggle Logic
document.addEventListener('DOMContentLoaded', () => {
    const themeToggleBtn = document.getElementById('theme-toggle');
    const htmlElement = document.documentElement;

    // Check local storage or system preference
    const savedTheme = localStorage.getItem('theme');
    const systemPrefersDark = window.matchMedia('(prefers-color-scheme: dark)').matches;

    if (savedTheme === 'dark' || (!savedTheme && systemPrefersDark)) {
        htmlElement.classList.add('dark');
    } else {
        htmlElement.classList.remove('dark');
    }

    themeToggleBtn.addEventListener('click', () => {
        htmlElement.classList.toggle('dark');
        
        // Save preference
        if (htmlElement.classList.contains('dark')) {
            localStorage.setItem('theme', 'dark');
        } else {
            localStorage.setItem('theme', 'light');
        }
        
        // Re-initialize feather icons to update sun/moon state correctly
        feather.replace();
    });

    // Button Interaction (Joke)
    const evictBtn = document.querySelector('button');
    if(evictBtn) {
        evictBtn.addEventListener('click', () => {
            alert('Error: Operation not permitted. Process is locked in memory.');
        });
    }
});