// Theme toggle functionality
function toggleTheme() {
    const html = document.documentElement;
    const currentTheme = html.getAttribute('data-theme');
    const newTheme = currentTheme === 'light' ? 'dark' : 'light';
    
    html.setAttribute('data-theme', newTheme);
    localStorage.setItem('lb_theme', newTheme);
    
    // Update theme toggle button
    const themeButton = document.querySelector('.theme-toggle');
    if (themeButton) {
        themeButton.textContent = newTheme === 'light' ? '🌙' : '☀️';
    }
}

// Initialize theme on page load
document.addEventListener('DOMContentLoaded', function() {
    const savedTheme = localStorage.getItem('lb_theme') || 'dark';
    document.documentElement.setAttribute('data-theme', savedTheme);
    
    // Update theme toggle button
    const themeButton = document.querySelector('.theme-toggle');
    if (themeButton) {
        themeButton.textContent = savedTheme === 'light' ? '🌙' : '☀️';
    }
});

// Keyboard shortcut for theme toggle (Ctrl+T)
document.addEventListener('keydown', function(e) {
    if (e.ctrlKey && e.key === 't') {
        e.preventDefault();
        toggleTheme();
    }
});