:root{font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;line-height:1.5;color:#0f172a;background:#f8fafc}body{margin:0}main{max-width:40rem;margin:3rem auto;padding:1.5rem;background:#fff;border-radius:.75rem;box-shadow:0 1px 3px #0f172a1f}h1{margin-top:0;font-size:1.5rem}.status-ok{color:#15803d}.status-error{color:#b91c1c}