:root{--bg:#fff;--text:#0f172a;--muted:#6b7280}html,body,#root{height:100%}body{background:var(--bg);color:var(--text);margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Helvetica Neue,Arial;line-height:1.5}.container{max-width:900px;margin:48px auto;padding:0 16px}header h1{margin:0 0 8px}footer{color:var(--muted);border-top:1px solid #e6e9ef;margin-top:48px;padding:24px 0;font-size:14px}footer a{color:inherit;margin-right:12px}