Same widget, a dark host page

This page sets --brand: #35e0c2 (a teal) at :root, on a dark background. There is no data-scheme on the script tag below, so the widget should detect the dark background on its own and give the accessibility panel a dark surface to match, instead of the light panel used on the main demo page.

What to check here versus index.html:

A CTA style link, for good measure