:root{font-family:system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;line-height:1.5}html,body{height:100%;margin:0;background:#fff;color:#111}#root{min-height:100%}form{display:flex;flex-direction:column;gap:8px}input,textarea{padding:6px;font-size:14px}button{padding:8px;cursor:pointer}