Created LevelSelectorState

- code removed from main.cpp and added into a new class

src/states/MenuState.cpp

@@ -138,13 +138,7 @@ void MenuState::render(SDL_Renderer* renderer, float logicalScale, SDL_Rect logi
         menu_drawMenuButton(renderer, *ctx.pixelFont, btnX + btnW * 0.6f, btnY, btnW, btnH, std::string(levelBtnText), SDL_Color{40,140,240,255}, SDL_Color{20,100,200,255});
     }
 
-    // Popups (level/settings) if requested
-    if (ctx.showLevelPopup && *ctx.showLevelPopup) {
-        // call wrapper which will internally draw on top of current content
-        // prefer pixelFont for retro look
-        FontAtlas* useFont = ctx.pixelFont ? ctx.pixelFont : ctx.font;
-    menu_drawLevelSelectionPopup(renderer, *useFont, ctx.backgroundTex, ctx.startLevelSelection ? *ctx.startLevelSelection : 0);
-    }
+    // Popups (settings only - level popup is now a separate state)
     if (ctx.showSettingsPopup && *ctx.showSettingsPopup) {
         menu_drawSettingsPopup(renderer, *ctx.font, ctx.musicEnabled ? *ctx.musicEnabled : false);
     }