added leaderboard

Assets/Code/UI/GameplayController.cs

@@ -1,3 +1,4 @@
+using Code.Saves;
 using TMPro;
 using UnityEngine;
 using UnityEngine.SceneManagement;
@@ -76,10 +77,21 @@ namespace Code.UI
 
         private void SaveScore()
         {
-            var playerName = nameInputField.text;
-            if (string.IsNullOrEmpty(playerName))
-                playerName = "Player";
-            Debug.Log($"Saved: {playerName} - {_coins}");
+            var data = SaveManager.Load();
+            var currentName = string.IsNullOrEmpty(nameInputField.text) ? "Player" : nameInputField.text;
+
+            data.playerName = currentName;
+
+            data.leaderboard.Add(new Saves.LeaderboardEntry(currentName, _coins));
+
+            data.leaderboard.Sort((a, b) => b.score.CompareTo(a.score));
+
+            if (data.leaderboard.Count > 10)
+            {
+                data.leaderboard.RemoveRange(10, data.leaderboard.Count - 10);
+            }
+
+            SaveManager.Save(data);
         }
 
         private void OnDestroy()