refactor: consolidate game components and add toast notifications

- Remove EndlosGame support and GameDetail141.jsx component
- Add Toast notification system with CSS styling
- Refactor GameCompletionModal with enhanced styling
- Improve GameDetail component structure and styling
- Add BaseLayout.astro for consistent page structure
- Update gameService with cleaner logic
- Enhance global styles and remove unused constants
- Streamline navigation components

src/services/gameService.ts

@@ -42,38 +42,20 @@ export class GameService {
       undoStack: [],
     };
 
-    if (gameData.gameType === '14/1 endlos') {
-      const players = [
-        { name: gameData.player1, score: 0, consecutiveFouls: 0 },
-        { name: gameData.player2, score: 0, consecutiveFouls: 0 }
-      ];
-      
-      if (gameData.player3) {
-        players.push({ name: gameData.player3, score: 0, consecutiveFouls: 0 });
-      }
+    const standardGame: StandardGame = {
+      ...baseGame,
+      player1: gameData.player1,
+      player2: gameData.player2,
+      score1: 0,
+      score2: 0,
+    };
 
-      return {
-        ...baseGame,
-        players,
-        currentPlayer: null,
-        ballsOnTable: 15,
-      } as EndlosGame;
-    } else {
-      const standardGame: StandardGame = {
-        ...baseGame,
-        player1: gameData.player1,
-        player2: gameData.player2,
-        score1: 0,
-        score2: 0,
-      };
-
-      if (gameData.player3) {
-        standardGame.player3 = gameData.player3;
-        standardGame.score3 = 0;
-      }
-
-      return standardGame;
+    if (gameData.player3) {
+      standardGame.player3 = gameData.player3;
+      standardGame.score3 = 0;
     }
+
+    return standardGame;
   }
 
   /**