:root{--brand-primary:#1976d2;--brand-primary-light:#42a5f5;--brand-primary-dark:#1565c0;--brand-accent:#667eea;--brand-success:#22c55e;--brand-warning:#f59e0b;--brand-error:#ef4444;--brand-surface:#fff;--brand-surface-secondary:#fafafa;--brand-text:#111827;--brand-text-secondary:#4b5563;--brand-radius-sm:4px;--brand-radius-md:8px;--brand-radius-lg:12px;--brand-font-family:system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;--brand-font-weight-regular:400;--brand-font-weight-medium:500;--brand-font-weight-bold:700}