PGŽ Sport Platform — Round 1+2 baseline (sport2.html + API)

_design_master/theme.ts

@@ -0,0 +1,14 @@
+import { create } from "zustand";
+
+type Theme = "dark" | "light";
+interface ThemeStore { theme: Theme; toggle: () => void; }
+
+export const useTheme = create<ThemeStore>((set) => ({
+  theme: (localStorage.getItem("theme") as Theme) || "dark",
+  toggle: () => set((s) => {
+    const next = s.theme === "dark" ? "light" : "dark";
+    localStorage.setItem("theme", next);
+    document.documentElement.setAttribute("data-theme", next);
+    return { theme: next };
+  }),
+}));