// Theme toggle
const toggleBtn = document.getElementById('themeToggleBtn');
const html = document.documentElement;
const currentTheme = html.getAttribute('data-theme');

function updateButtonText(theme) {
  toggleBtn.textContent = theme === 'dark' ? 'Light' : 'Dark';
}

// Initialize
updateButtonText(currentTheme);

toggleBtn.addEventListener('click', () => {
  const newTheme = html.getAttribute('data-theme') === 'dark' ? 'light' : 'dark';
  html.setAttribute('data-theme', newTheme);
  updateButtonText(newTheme);
});
// Intersection Observer for fade-ins
const observer = new IntersectionObserver(
  (entries) => {
    entries.forEach(entry => {
      if (entry.isIntersecting) {
        entry.target.classList.add('fade-in');
        observer.unobserve(entry.target);
      }
    });
  },
  { threshold: 0.2 }
);

document.querySelectorAll('gallery-item').forEach(el => observer.observe(el));