:root{--brand-bg:#f7f8fa;--brand-surface:#fff;--brand-surface-muted:#f2f4f7;--brand-text:#171a21;--brand-muted:#6b7280;--brand-border:#e4e7ec;--brand-accent:#43566b;--brand-accent-soft:#edf1f5;--brand-success:#3f6b55;--brand-warning:#8a6a2f;--brand-danger:#9b3f3f}