<p class="text-red-500 p-4">outside (should ignore classes and be unstyled)</p>
<div id="app"></div>

<script type="module">
import React from "https://esm.sh/preact@10.11.3/compat";

import * as TW from "https://esm.sh/@twind/core@1.0.1";
import TWPreTail from "https://esm.sh/@twind/preset-tailwind@1.0.1";
import TWPreAuto from "https://esm.sh/@twind/preset-autoprefix@1.0.1";

const styles = document.createElement("style");
const root = document.querySelector("#app");

const appShadow = root.attachShadow({mode: "closed"});
const appShadowRoot = document.createElement("div");
appShadow.append(styles);
appShadow.append(appShadowRoot);

const inst = TW.twind({presets:[TWPreTail(), TWPreAuto()]}, TW.dom(styles))
TW.observe(inst, appShadowRoot)

React.render(React.createElement("p", {className:"text(yellow-500 lg) p-4 font(sans-black)"}, "inside (should be styled)"), appShadowRoot);
</script>