function initLikeButtons() {
    document.querySelectorAll('form[action*="/like/"]').forEach(form => {
        form.addEventListener('submit', () => {
            const button = form.querySelector('button[type="submit"]');
            if (button) {
                button.style.opacity = '0.5';
                button.textContent = button.textContent + ' ✓';
            }
        });
    });
}