App panel with custom url showing admin panel layouts

// url
Route::get('lyrics/{slug}', App\Filament\App\Pages\LyricDetail::class);

// LyricDetail.php
protected static ?string $navigationIcon = 'heroicon-o-document-text';

protected static bool $shouldRegisterNavigation = false;

protected static string $view = 'filament.app.pages.lyric-detail';

public $lyric;

public function mount($slug): void
{
    $this->lyric = Lyric::whereSlug($slug)->firstOrFail();
}