:root,[data-theme=light]{--bg:#f8fafc;--bg-elevated:#fff;--text:#0f172a;--text-muted:#64748b;--border:#e2e8f0;--accent:#0f3054}[data-theme=dark]{--bg:#020617;--bg-elevated:#0f172a;--text:#f1f5f9;--text-muted:#94a3b8;--border:#1e293b;--accent:#3989c6}