<!DOCTYPE html>
<html lang="zh-CN">
<head>
  <meta charset="UTF-8" />
  <meta name="viewport" content="width=device-width, initial-scale=1.0" />
  <title>Aurora Admin · ThemeSwitcher</title>
  <link rel="stylesheet" href="../.design_library/aurora-admin/colors_and_type.css" />
  <link rel="stylesheet" href="./ThemeSwitcher.css" />
</head>
<body>
  <div class="aa-page">
    <h2 class="aa-h2">ThemeSwitcher 主题切换</h2>
    <p class="aa-desc">明暗主题 + 品牌色切换，实时预览，可保存偏好。</p>

    <div class="aa-demo">
      <div class="aa-themesw" id="sw">
        <div class="aa-themesw-opt" role="radio" tabindex="0" data-mode="light"><span class="aa-themesw-dot light"></span>浅色</div>
        <div class="aa-themesw-opt" role="radio" tabindex="0" data-mode="dark"><span class="aa-themesw-dot dark"></span>深色</div>
        <div class="aa-themesw-colors" id="colors"></div>
        <div class="aa-themesw-label" id="label"></div>
      </div>
      <div class="aa-card" style="margin-top:12px">
        <div class="aa-card__body">
          <button class="aa-btn aa-btn--primary">品牌色按钮</button>
          <span style="margin-left:10px">当前主题：<b id="cur"></b></span>
        </div>
      </div>
    </div>
  </div>

  <script>
    var brands = ['#2F54EB', '#1677FF', '#722ED1', '#13C2C2', '#FA541C', '#EB2F96'];
    var mode = 'light', brand = '#2F54EB';
    var colorsEl = document.getElementById('colors');
    brands.forEach(function (c) {
      var s = document.createElement('span');
      s.className = 'aa-themesw-color'; s.setAttribute('role','radio'); s.setAttribute('tabindex','0'); s.style.background = c; s.dataset.c = c;
      s.onclick = function () { brand = c; render(); };
      colorsEl.appendChild(s);
    });
    document.querySelectorAll('.aa-themesw-opt').forEach(function (o) {
      o.onclick = function () { mode = o.dataset.mode; render(); };
    });
    function render() {
      document.querySelectorAll('.aa-themesw-opt').forEach(function (o) { o.classList.toggle('is-active', o.dataset.mode === mode); });
      Array.prototype.forEach.call(colorsEl.children, function (c) { c.classList.toggle('is-active', c.dataset.c === brand); });
      document.documentElement.style.setProperty('--brand', brand);
      document.getElementById('cur').textContent = mode === 'light' ? '浅色' : '深色';
      document.getElementById('label').textContent = '品牌色：' + brand + '（点击色块可切换，应用于 CSS 变量 --brand 实时预览）';
    }
    render();
  </script>
</body>
</html>
