async function api(path, opts={}){
  const res = await fetch(path, { headers:{ 'content-type':'application/json' }, ...opts });
  if (!res.ok) throw new Error(await res.text());
  const ct = res.headers.get('content-type')||'';
  return ct.includes('application/json')? res.json() : res.text();
}
document.addEventListener('DOMContentLoaded', async ()=>{
  try {
    const cfg = await api('/api/config');
    const el = document.querySelector('.title'); if (el) el.textContent = cfg.siteName || 'Padel24Play';
  } catch {}
});