:root{--bg:#f8fafc;--surface:#00ff00;--text:#0f172a;--muted:#5b6b82;--primary:#2563eb;--on-primary:#ffffff;--accent:#d97706;--border:#e2e8f0;--radius:14px;--max:1100px;--font-body:system-ui, -apple-system, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;--font-head:system-ui, -apple-system, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;color-scheme:light}
:root[data-theme=dark]{--bg:#0b1120;--surface:#111a2e;--text:#e5edf8;--muted:#94a3b8;--primary:#60a5fa;--on-primary:#0b1220;--accent:#fbbf24;--border:#1f2a44;color-scheme:dark}
@media (prefers-color-scheme:dark){:root[data-theme=auto]{--bg:#0b1120;--surface:#111a2e;--text:#e5edf8;--muted:#94a3b8;--primary:#60a5fa;--on-primary:#0b1220;--accent:#fbbf24;--border:#1f2a44;color-scheme:dark}}