feat: add standalone Nim game page, route, and container layout; remove global header/footer from /games/nim

src/App.tsx

@@ -29,6 +29,7 @@ import TernarySearchTrickPage from "./pages/TernarySearchTrickPage";
 import TernarySearchTrickGreenScreen from "./pages/TernarySearchTrickGreenScreen";
 import NorthcottsGamePage from "./pages/NorthcottsGamePage";
 import KnightsPuzzlePage from "./pages/KnightsPuzzlePage";
+import NimGamePage from "./pages/NimGamePage";
 import Foundations from "./pages/theme-pages/discrete-math/Foundations";
 import Proofs from "./pages/theme-pages/discrete-math/Proofs";
 import Counting from "./pages/theme-pages/discrete-math/Counting";
@@ -84,6 +85,7 @@ const App = () => (
           <Route path="/ternary-search-trick/:mode" element={<TernarySearchTrickGreenScreen />} />
           <Route path="/northcotts-game" element={<NorthcottsGamePage />} />
           <Route path="/knights-puzzle" element={<KnightsPuzzlePage />} />
+          <Route path="/games/nim" element={<NimGamePage />} />
           
           {/* ADD ALL CUSTOM ROUTES ABOVE THE CATCH-ALL "*" ROUTE */}
           <Route path="*" element={<NotFound />} />

src/components/InteractiveIndex.tsx

@@ -90,6 +90,15 @@ const allInteractives: Interactive[] = [
     path: '/knights-puzzle',
     theme: 'Puzzles',
     dateAdded: '2024-07-21'
+  },
+  {
+    id: 'nim',
+    title: 'Game of Nim',
+    description: 'A classic two-player game of strategy. Take turns removing stones from heaps. The player to take the last stone wins!',
+    tags: ['strategy', 'two-player', 'math', 'logic', 'game-theory'],
+    path: '/games/nim',
+    theme: 'Games',
+    dateAdded: '2024-07-21'
   }
 ];
 

src/components/NimGame.tsx

@@ -41,6 +41,8 @@ const NimGame: React.FC = () => {
   const initialMaxHeapSizeRef = useRef<number>(0);
   // Store the pixel width for the entire heaps group container (label + stones)
   const [heapsGroupWidth, setHeapsGroupWidth] = useState<string>('0px');
+  // Store the initial heaps for reset
+  const initialHeapsRef = useRef<number[]>([]);
 
   // When a new game starts, record the initial heap sizes and max size and compute the group width
   React.useEffect(() => {
@@ -58,6 +60,14 @@ const NimGame: React.FC = () => {
     // eslint-disable-next-line
   }, [mode, heaps.length]);
 
+  // When a new game starts, record the initial heaps
+  React.useEffect(() => {
+    if (mode !== null && heaps.length > 0) {
+      initialHeapsRef.current = [...heaps];
+    }
+    // eslint-disable-next-line
+  }, [mode, heaps.length]);
+
   // Start a new game
   const startGame = (selectedMode: Mode) => {
     setMode(selectedMode);
@@ -103,6 +113,21 @@ const NimGame: React.FC = () => {
     setCurrentPlayer(0);
   };
 
+  // Reset the game to the initial heaps
+  const handleResetGame = () => {
+    setHeaps([...initialHeapsRef.current]);
+    setWinner(null);
+    setCurrentPlayer(0);
+  };
+
+  // Start a new game (go back to mode selection)
+  const handleNewGame = () => {
+    setMode(null);
+    setHeaps([]);
+    setWinner(null);
+    setCurrentPlayer(0);
+  };
+
   // User heap count slider change
   const handleHeapCountChange = (val: number) => {
     setUserHeapCount(val);
@@ -166,15 +191,21 @@ const NimGame: React.FC = () => {
 
           {mode !== null && (
             <>
-              {/* Current Turn Indicator */}
-              <div className="text-center">
+              {/* Current Turn Indicator and Reset Button */}
+              <div className="text-center flex flex-col items-center gap-2">
                 {winner === null ? (
-                  <div className="space-y-2">
-                    <p className="text-sm text-muted-foreground">Current Turn:</p>
-                    <span className={`inline-block text-lg px-4 py-2 rounded font-semibold ${currentPlayer === 0 ? 'bg-sky-200 text-sky-800' : 'bg-red-200 text-red-800'}`}>
-                      Player {currentPlayer + 1}
-                    </span>
-                  </div>
+                  <>
+                    <div>
+                      <p className="text-sm text-muted-foreground">Current Turn:</p>
+                      <span className={`inline-block text-lg px-4 py-2 rounded font-semibold ${currentPlayer === 0 ? 'bg-sky-200 text-sky-800' : 'bg-red-200 text-red-800'}`}>
+                        Player {currentPlayer + 1}
+                      </span>
+                    </div>
+                    <div className="flex gap-2 mt-2">
+                      <Button variant="outline" size="sm" onClick={handleResetGame}>Reset Game</Button>
+                      <Button variant="outline" size="sm" onClick={handleNewGame}>New Game</Button>
+                    </div>
+                  </>
                 ) : (
                   <div className="space-y-2">
                     <span className="inline-block text-lg px-4 py-2 rounded font-semibold bg-green-200 text-green-800">Winner: Player {winner + 1}!</span>

src/pages/Index.tsx

@@ -62,6 +62,13 @@ const allInteractives = [{
   tags: ['chess', 'knights', 'puzzle'],
   path: '/knights-puzzle',
   theme: 'Puzzles'
+}, {
+  id: 'nim',
+  title: 'Game of Nim',
+  description: 'A classic two-player game of strategy. Take turns removing stones from heaps. The player to take the last stone wins!',
+  tags: ['strategy', 'two-player', 'math', 'logic'],
+  path: '/games/nim',
+  theme: 'Games'
 }];
 
 // Featured interactives (3 fixed ones)

src/pages/NimGamePage.tsx

@@ -0,0 +1,12 @@
+import React from 'react';
+import NimGame from '@/components/NimGame';
+
+const NimGamePage = () => {
+  return (
+    <div className="container mx-auto px-4 py-8">
+      <NimGame />
+    </div>
+  );
+};
+
+export default NimGamePage;