Matrix - cross linking to tables

I’m not sure if this is what you were looking for, but here’s what I put together with some help from this post: How to use a list or array as filter condition?

A [Details Table] where the Styles a multiple select list from a second [Styles Table]. Then the Styles Table looks to see what Details contain each style.

Style Options from Styles Table

List if Style is IN Details Table

The [Styles Table].Details formula is this:

[Details Table].Filter(In(StyleID,Styles)).DetailID
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