<!-- Copyright 2020 the V8 project authors. All rights reserved.
Use of this source code is governed by a BSD-style license that can be
found in the LICENSE file. -->

<head>
  <link href="./index.css" rel="stylesheet">
</head>
<style>
  .scriptNode {
    font-family: Consolas, monospace;
  }

  .scriptNode span {
    counter-increment: sourceLineCounter 1;
    text-indent: -3.5em;
    padding-left: 3.5em;
    display: block;
  }

  .scriptNode span::before {
    content: counter(sourceLineCounter) ": ";
    width: 3.5em;
    display: inline-block;
    white-space: pre;
    text-align: right;
  }

  mark {
    width: 1ch;
    border-radius: 2px;
    border: 0.5px var(--background-color) solid;
    cursor: pointer;
    background-color: var(--primary-color);
    color: var(--on-primary-color);
  }

  .marked {
    background-color: var(--secondary-color);
    box-shadow: 0px 0px 2px 3px var(--secondary-color);
    animation-name: pulse;
    animation-duration: 3s;
    animation-delay: 500ms;
  }

  @keyframes pulse {
    0% {
      box-shadow: 0px 0px 0px 3px var(--secondary-color);
    }
    5% {
      box-shadow: 0px 0px 0px 10px var(--secondary-color);
    }
    10% {
      box-shadow: 0px 0px 0px 0px var(--secondary-color);
    }
    15% {
      box-shadow: 0px 0px 0px 10px var(--secondary-color);
    }
    20% {
      box-shadow: 0px 0px 2px 3px var(--secondary-color);
    }
  }
</style>
<div class="panel">
  <input type="checkbox" id="closer" class="panelCloserInput" checked>
  <label class="panelCloserLabel" for="closer">▼</label>
  <h2>Source Panel</h2>
  <div class="selection">
    <select id="script-dropdown"></select>
    <button id="selectedRelatedButton">Select Related Events</button>
  </div>
  <div id="script" class="panelBody">
    <div class="scriptNode"></div>
  </div>
</div>