Scrollbar

Property	Expected Values	Example
`scrollbar-width`	`auto`, `thin`, `none`	`scrollbar-width:thin`
`scrollbar-color`	PassThroughToken (e.g., `(rebeccapurple_lightgray)`)	`scrollbar-color:(rebeccapurple_lightgray)`
`scrollbar-gutter`	`auto`, `stable`, `stable-both-edges`	`scrollbar-gutter:stable`

Note: These map to standard scrollbar properties. Pseudo-element styling (e.g., ::-webkit-scrollbar) is not generated.