[data-theme=light]{--portal-bg:#fafafa;--portal-card:#fff;--portal-border:#e5e7eb;--portal-text:#111827;--portal-text-muted:#6b7280;--portal-hover:#f3f4f6}[data-theme=dark]{--portal-bg:#0a0a0a;--portal-card:#141414;--portal-border:#222;--portal-text:#f5f5f5;--portal-text-muted:#888;--portal-hover:#1a1a1a}