Viewport characteristics media features

[Christopher Schnick]

Yeah that would definitely improve the situation when it comes to 
repetitiveness. Would I need to define such custom media queries per 
stylesheet or can they apply globally?

On 12/07/2025 20:24, Michael Strauß wrote:
> Maybe @custom-media queries can get you part of the way there:
> https://www.w3.org/TR/mediaqueries-5/#custom-mq
>
> So instead of repeating a media query multiple times, you can define a 
> custom media query like this:
>     @custom-media --sm (width >= 40);
>
> And use it with the regular syntax:
>     @media (--sm) {
>         // ...
>     }
>
> On Sat, Jul 12, 2025 at 8:13 PM Christopher Schnick 
> <crschnick at xpipe.io> wrote:
>
>     Assuming this would be available, I would implement custom css
>     breakpoints to refer to common layout changes for our application.
>     This would prevent a lot of repetition. For example, something
>     similar to the tailwindcss breakpoints:
>
>
>     I could also use it to define more advanced breakpoint conditions
>     that are not possible to achieve with just css expressions.
>
>     In general, having the media queries only available in css is also
>     limiting for many more advanced customizations. If I want to for
>     example subscribe to a certain states, e.g. when the width crosses
>     a certain breakpoint, to run a listener that changes some node
>     properties.
>
>     Custom media queries can also just be implemented using a listener
>     that sets pseudo class states on the root node for each scene.
>     However, always found it annoying having to specify something like
>     .root:xl .button {} to replicate these breakpoints. If there was
>     such a thing as recursive pseudo classes that would allow querying
>     them in css via .button:xl when they are only set for a parent or
>     root node, that would work as well as an alternative.
>
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