document.getElementById('copy-btn').addEventListener('click', async () => {
const content = document.getElementById('text-content').innerText;
try {
await navigator.clipboard.writeText(content);
const btn = document.getElementById('copy-btn');
btn.innerHTML = '<span class="copy-icon">\u2713</span> Copied!';
setTimeout(() => {
btn.innerHTML = '<span class="copy-icon">\uD83D\uDCCB</span> Copy';
}, 2000);
} catch (err) {
console.error('Failed to copy:', err);
}
});