Appearance CORE

Dark mode Background

Name and description	Type	Value
`[tuiAppearance]` Appearance (use `appearance` selector instead of `tuiAppearance` when used on a component that has such input due to `hostDirectives` )	`string`	`'primary'`
`[tuiAppearanceFocus]` Manual override of focused state	`null \| boolean`	`null`
`[tuiAppearanceState]` Manual override of interactive state	`TuiInteractiveState \| null`	`null`