[6.x]: CpScreenSlideout has several display issues (no padding, no fixed footer) #19809

/*.slideout > .so-body:not(.so-full-details) {*/
/*  padding-block: 24px;*/
/*  padding-inline: var(--padding);*/
/*}*/

use CraftCms\Cms\Http\Responses\CpScreenResponse;

public function __invoke(): CpScreenResponse
{
    return (new CpScreenResponse)
        ->title('Example Slideout')
        ->action('my-plugin/save')
        ->contentTemplate('my-slideout.blade.php');
}

@use('CraftCms\Cms\Cp\FormFields')

<craft-field-group>
    {!! FormFields::textFieldHtml([
        'label' => 'Title',
        'name' => 'title',
    ]) !!}

    {!! FormFields::lightswitchFieldHtml([
        'label' => 'Active',
        'name' => 'active',
    ]) !!}
</craft-field-group>

new Craft.CpScreenSlideout('my-plugin/slideout-action');