:root{--color-bg:#ffffff;--color-text:#0a1929;--color-accent:#0a7ea0;--color-border:#dce6ee;--color-text-on-accent:#ffffff}[data-theme="dark"]{--color-bg:#0a1929;--color-text:#e8eef2;--color-accent:#4dc6e0;--color-border:#1c3045;--color-text-on-accent:#0a1929}