add togglePresentationMode_WASM: enable F1 key handling, refine CSS styles, and adjust asset scaling logic

cmd/client/wasm_bridge.go

@@ -105,6 +105,32 @@ func (g *Game) setupJavaScriptBridge() {
 		return nil
 	})
 
+	// togglePresentationMode_WASM()
+	togglePresFunc := js.FuncOf(func(this js.Value, args []js.Value) interface{} {
+		log.Println("⌨️ F1: Toggle Presentation Mode")
+		// Simulate F1 key press in WASM
+		if g.appState == StatePresentation {
+			g.appState = StateMenu
+			g.disconnectFromServer()
+			// JS Callback to hide screen
+			js.Global().Call("showMainMenu")
+		} else {
+			g.appState = StatePresentation
+			g.presAssets = nil
+			g.presQuoteTime = time.Now()
+			g.gameMode = "coop"
+			g.isHost = true
+			g.roomID = "PRES" + generateRoomCode()
+			g.playerName = "PRESENTATION"
+			go g.connectAndStart()
+
+			joinURL := "https://escape-from-school.de/?room=" + g.roomID
+			g.presQRCode = generateQRCode(joinURL)
+			g.notifyPresentationStarted_Platform(g.roomID)
+		}
+		return nil
+	})
+
 	// Im globalen Scope registrieren
 	js.Global().Set("startGame", startGameFunc)
 	js.Global().Set("requestLeaderboard", requestLeaderboardFunc)
@@ -112,6 +138,7 @@ func (g *Game) setupJavaScriptBridge() {
 	js.Global().Set("setSFXVolume", setSFXVolumeFunc)
 	js.Global().Set("startGameFromLobby_WASM", startGameFromLobbyFunc)
 	js.Global().Set("setTeamName_WASM", setTeamNameFunc)
+	js.Global().Set("togglePresentationMode_WASM", togglePresFunc)
 
 	log.Println("✅ JavaScript Bridge registriert")
 	log.Printf("🔍 window.startGame defined: %v", !js.Global().Get("startGame").IsUndefined())