Why is my tab only 50% width with no column config?

return $form->schema([
            Tabs::make('Label')
                ->tabs([
                    Tabs\Tab::make('Details')
                        ->schema(([
                            Components\Section::make('Details')->schema([
                                Components\TextInput::make('title')->autofocus(),
                                Components\Textarea::make('excerpt'),
                                Components\FileUpload::make('hero_image')->image()->imageEditor()
                            ]),
                            Components\Section::make('Options')
                                ->icon('heroicon-s-cog-6-tooth')
                                ->schema([
                                    Components\Toggle::make('published'),
                                    Components\DateTimePicker::make('published_at'),
                                    Components\Select::make('layout')->options([
                                        'default' => 'Default',
                                        'featured' => 'Featured',
                                    ])->default('default'),
                                    Components\Toggle::make('early_access'),
                                    Components\Toggle::make('pro_series'),
                                ])
                    ]))
                ])
        ]);

return $form->schema([
            Tabs::make('Label')
                ->tabs([
                    Tabs\Tab::make('Details')
                        ->schema(([
                            Components\Section::make('Details')->schema([
                                Components\TextInput::make('title')->autofocus(),
                                Components\Textarea::make('excerpt'),
                                Components\FileUpload::make('hero_image')->image()->imageEditor()
                            ]),
                            Components\Section::make('Options')
                                ->icon('heroicon-s-cog-6-tooth')
                                ->schema([
                                    Components\Toggle::make('published'),
                                    Components\DateTimePicker::make('published_at'),
                                    Components\Select::make('layout')->options([
                                        'default' => 'Default',
                                        'featured' => 'Featured',
                                    ])->default('default'),
                                    Components\Toggle::make('early_access'),
                                    Components\Toggle::make('pro_series'),
                                ])
                    ]))
                ])
        ]);