:root{--primary:#1b3a5c;--on-primary:#ffffff;--bg:#f3f5f8;--surface:#ffffff;--text:#14181f;--border:#6b7280;--error:#b00020;--radius:8px;--font:system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;color-scheme:light}
@media (prefers-color-scheme:dark){:root{--primary:#9cc0f0;--on-primary:#0b1220;--bg:#0e1218;--surface:#171c25;--text:#eef1f5;--border:#8a94a6;--error:#ffb4ab;color-scheme:dark}}