Fix Subtraction Game bugs

Update background color transition to fade instead of blink.
Change the minimum value for n to 2.
Debug and fix issues with the reset functionality not fully clearing the game state.

src/components/BulgarianSolitaire.tsx

@@ -302,6 +302,9 @@ const BulgarianSolitaire: React.FC<BulgarianSolitaireProps> = ({ showSocialShare
     pauseRef.current = false;
     setIsPaused(false);
     setIsPlaying(false);
+    setDraggedBox(null);
+    setLastUsedColumn(null);
+    setSelectedBoxForMove(null);
     
     const newBoxes: Box[] = [];
     for (let i = 0; i < totalBoxes; i++) {
@@ -365,7 +368,7 @@ const BulgarianSolitaire: React.FC<BulgarianSolitaireProps> = ({ showSocialShare
           <Slider
             value={[n]}
             onValueChange={(value) => setN(value[0])}
-            min={3}
+            min={2}
             max={45}
             step={1}
             className="w-32"
@@ -440,7 +443,7 @@ const BulgarianSolitaire: React.FC<BulgarianSolitaireProps> = ({ showSocialShare
                     highlightedBoxes.has(boxId) 
                       ? 'bg-red-500 text-white shadow-lg scale-110' 
                       : 'bg-primary text-primary-foreground hover:bg-primary/80'
-                  } ${isAnimating && highlightedBoxes.has(boxId) ? 'animate-pulse' : ''}`}
+                  } ${isAnimating && highlightedBoxes.has(boxId) ? 'animate-[fade-red_1.6s_ease-in-out_infinite]' : ''}`}
                   title="Drag to move or double-click to move to last-used column"
                 >
                 </div>

tailwind.config.ts

@@ -100,11 +100,16 @@ export default {
 					to: {
 						height: '0'
 					}
+				},
+				'fade-red': {
+					'0%, 100%': { backgroundColor: 'hsl(var(--primary))' },
+					'50%': { backgroundColor: 'hsl(0, 84%, 60%)' }
 				}
 			},
 			animation: {
 				'accordion-down': 'accordion-down 0.2s ease-out',
-				'accordion-up': 'accordion-up 0.2s ease-out'
+				'accordion-up': 'accordion-up 0.2s ease-out',
+				'fade-red': 'fade-red 1.6s ease-in-out infinite'
 			},
 			fontFamily: {
 				'sans': ['Lato', 'ui-sans-serif', 'system-ui', '-apple-system', 'BlinkMacSystemFont', 'Segoe UI', 'Roboto', 'Helvetica Neue', 'Arial', 'Noto Sans', 'sans-serif'],