:root{--bg:#f5f7fb;--surface:#fff;--text:#101828;--muted:#667085;--border:#e4e7ec;--primary:#155eef;--success:#067647;--danger:#b42318;--warning:#b54708;--radius:14px;--shadow:0 8px 24px rgba(16,24,40,.08);--space:16px;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,sans-serif}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text)}a{color:inherit}input,select,textarea,button{font:inherit}