:root{--dk-color-bg:#f7f8fa;--dk-color-surface:#fff;--dk-color-border:#e2e5ea;--dk-color-text:#16191d;--dk-color-text-muted:#5c636e;--dk-color-accent:#2563eb;--dk-color-accent-hover:#1d4ed8;--dk-color-accent-text:#fff;--dk-radius:8px;--dk-space-sm:.5rem;--dk-space-md:1rem;--dk-space-lg:1.5rem;--dk-font-sans:system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;--dk-shadow:0 1px 2px #10192d0f, 0 1px 3px #10192d1a}@media (prefers-color-scheme:dark){:root{--dk-color-bg:#0f1115;--dk-color-surface:#171a20;--dk-color-border:#272b33;--dk-color-text:#f2f4f7;--dk-color-text-muted:#a2a9b5;--dk-color-accent:#3b82f6;--dk-color-accent-hover:#60a5fa;--dk-color-accent-text:#0f1115;--dk-shadow:0 1px 2px #0000004d, 0 1px 3px #0006}}body{background:var(--dk-color-bg);color:var(--dk-color-text);font-family:var(--dk-font-sans);margin:0}