:root{font-family:system-ui,sans-serif;color:#111827}body{margin:0;background:#f9fafb}.wrap{max-width:420px;margin:8vh auto;padding:24px;background:#fff;border-radius:12px;box-shadow:0 1px 4px #00000014}input{width:100%;padding:10px;margin:6px 0 12px;border:1px solid #d1d5db;border-radius:6px;box-sizing:border-box}button{width:100%;padding:10px;border:0;border-radius:6px;background:#16a34a;color:#fff;font-weight:600;cursor:pointer}button.secondary{background:#374151}button.linklike{width:auto;padding:0;background:none;color:#2563eb;font-weight:400;text-decoration:underline}.err{color:#b91c1c;font-size:14px}