<!DOCTYPE html><html><head><meta charset="utf-8" /><title>Account Linking Success</title></head><body><h2 id="msg"></h2><script>setTimeout("document.getElementById('msg').innerHTML = 'Success! Your account is linked to Last.fm. You can close this tab now.';",2000)document.addEventListener("DOMContentLoaded", () => {window.close();});</script></body></html>