function checkResetToken(){
  const hash = window.location.hash.substring(1);
  const hashParams = new URLSearchParams(hash);
  const accessToken = hashParams.get('access_token');
  const type = hashParams.get('type');
  const error = hashParams.get('error');

  if(error){
    document.getElementById('auth-screen').style.display='flex';
    document.getElementById('forgot-screen').style.display='none';
    document.getElementById('reset-screen').style.display='none';
    const errEl = document.getElementById('auth-error');
    if(errEl){ errEl.textContent='Reset link expired. Please request a new one.'; errEl.classList.add('show'); }
    return;
  }

  if(accessToken && type === 'recovery'){
    window._resetToken = accessToken;
    document.getElementById('auth-screen').style.display='none';
    document.getElementById('forgot-screen').style.display='none';
    document.getElementById('reset-screen').style.display='flex';
    return;
  }

  const urlParams = new URLSearchParams(window.location.search);
  const code = urlParams.get('code');
  if(code){
    window._resetCode = code;
    document.getElementById('auth-screen').style.display='none';
    document.getElementById('forgot-screen').style.display='none';
    document.getElementById('reset-screen').style.display='flex';
  }
}
</script>
</body>
</html>