UI Updates

drb-frontend/components/ThemeProvider.tsx

@@ -0,0 +1,34 @@
+"use client";
+
+import React, { createContext, useContext, useEffect, useState } from "react";
+
+type Theme = "dark" | "light";
+
+const ThemeContext = createContext<{ theme: Theme; toggle: () => void }>({
+  theme: "dark",
+  toggle: () => {},
+});
+
+export function useTheme() {
+  return useContext(ThemeContext);
+}
+
+export function ThemeProvider({ children }: { children: React.ReactNode }) {
+  const [theme, setTheme] = useState<Theme>("dark");
+
+  useEffect(() => {
+    const saved = localStorage.getItem("drb-theme") as Theme | null;
+    if (saved === "light") setTheme("light");
+  }, []);
+
+  useEffect(() => {
+    document.documentElement.classList.toggle("dark", theme === "dark");
+    localStorage.setItem("drb-theme", theme);
+  }, [theme]);
+
+  return (
+    <ThemeContext.Provider value={{ theme, toggle: () => setTheme((t) => (t === "dark" ? "light" : "dark")) }}>
+      {children}
+    </ThemeContext.Provider>
+  );
+}