<!DOCTYPE html>
<title>Tests animation with tree-scoped names and references</title>
<meta name="assert" content="Custom counter style references should work in shadow DOM keyframes">
<link rel="help" href="https://drafts.csswg.org/css-scoping/#shadow-names">
<link rel="author" href="mailto:xiaochengh@chromium.org">
<link rel="match" href="scoped-reference-animation-ref.html">

<style>
@counter-style lower-roman { system: extends disc; }
@counter-style upper-roman { system: extends disc; }
</style>

<div id="host">
</div>

<script>
host.attachShadow({mode: 'open'}).innerHTML = `
<style>
/* Overrides predefined and outer tree scope's custom lower-roman counter-style */
@counter-style lower-roman {
  system: cyclic;
  symbols: 'X';
}

/* Overrides predefined and outer tree scope's upper-roman counter-style */
@counter-style upper-roman {
  system: cyclic;
  symbols: 'O';
}

/* Should resolve to the custom counter styles, not the predefined or the outer
   tree scope's ones */
@keyframes list-style-type-anim {
  from { list-style-type: lower-roman; }
  to { list-style-type: upper-roman; }
}

#target1 {
  animation: list-style-type-anim 2s -0.9s linear paused;
}

#target2 {
  animation: list-style-type-anim 2s -1s linear paused;
}
</style>

<ul id="target1">
  <li>List marker should be X
</ul>

<ul id="target2">
  <li>List marker should be O
</ul>
`;
</script>
