aggiunto schermo nero durante il play audio in playlist

src/app/pages/player/player.page.ts

@@ -33,12 +33,15 @@ export class PlayerPage implements OnInit, AfterViewInit, OnDestroy {
     if (target && (target.tagName === 'INPUT' || target.tagName === 'TEXTAREA' || target.isContentEditable)) {
       return;
     }
-    if (event.key === 'ArrowUp') {
+    if (event.key === 'ArrowUp' || event.key === 'MediaTrackPrevious') {
       this.prevSong();
       event.preventDefault();
-    } else if (event.key === 'ArrowDown') {
+    } else if (event.key === 'ArrowDown' || event.key === 'MediaTrackNext') {
       this.nextSong();
       event.preventDefault();
+    } else if (event.key === 'MediaPlayPause') {
+      this.toggleAudio();
+      event.preventDefault();
     }
   }
 
@@ -322,11 +325,12 @@ export class PlayerPage implements OnInit, AfterViewInit, OnDestroy {
       }
     }, { allowSignalWrites: true });
 
-    // Fullscreen control in landscape mode
+    // Fullscreen control in landscape mode or when black screen is active
     effect(() => {
       const isLandscape = this.isLandscapeActive();
+      const isBlack = this.isBlackScreen();
       
-      if (isLandscape) {
+      if (isLandscape || isBlack) {
         this.enterFullscreen();
       } else {
         this.exitFullscreen();
@@ -1279,4 +1283,13 @@ export class PlayerPage implements OnInit, AfterViewInit, OnDestroy {
     this.stopCameraNavigation();
     this.channel.close();
   }
+
+  formatSeconds(seconds: number | undefined | null): string {
+    if (seconds === undefined || seconds === null || isNaN(seconds)) {
+      return '0:00';
+    }
+    const mins = Math.floor(seconds / 60);
+    const secs = Math.floor(seconds % 60);
+    return `${mins}:${secs < 10 ? '0' : ''}${secs}`;
+  }
 }