:root{--bg:#f5f7fb;--card:#fff;--muted:#5b6576;--text:#0b0f1a;--border:rgba(15,23,42,.15);--accent:#16a34a;--danger:#dc2626;--shadow:0 10px 30px rgba(2,6,23,.08);--radius:14px;font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif}