<!DOCTYPE html>
<html lang="zh-CN">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Kole UI · Dropdown (H5)</title>
<link rel="stylesheet" href="../.design_library/kole-ui/colors_and_type.css">
<style>
  /* 对齐 组件2.txt Dropdown 规范：项高32px、内边距左右12px、悬停 #F5F7FA、危险 #CF1322、面板圆角6px/阴影中/最小宽120px */
  .demo { padding: 24px; background: var(--kole-color-page-bg); color: var(--kole-color-text-body); font-family: var(--font-family); }
  h1 { font-size: 20px; margin: 0 0 4px; }
  .sub { color: var(--kole-color-text-secondary); margin: 0 0 24px; font-size: 12px; }

  .kole-dropdown { position: relative; display: inline-block; }
  .kole-dropdown-trigger {
    border: 1px solid var(--kole-color-border); background: var(--kole-color-card-bg); border-radius: 4px; height: 32px; padding: 0 12px;
    cursor: pointer; font-size: 14px; color: var(--kole-color-text-body); display: inline-flex; align-items: center; gap: 4px;
  }
  .kole-dropdown-trigger:hover { border-color: var(--kole-color-brand); }
  .kole-dropdown-panel {
    position: absolute; z-index: 20; top: calc(100% + 4px); left: 0; min-width: 120px;
    background: var(--kole-color-card-bg); border-radius: 6px; box-shadow: 0 4px 12px rgba(0,0,0,0.08); padding: 4px 0;
  }
  .kole-dropdown-item {
    display: flex; align-items: center; gap: 8px; height: 32px; padding: 0 12px; cursor: pointer;
    font-size: 14px; color: var(--kole-color-text-body); white-space: nowrap;
  }
  .kole-dropdown-item:hover { background: var(--kole-color-page-bg); }
  .kole-dropdown-item.is-danger { color: var(--kole-color-error); }
  .kole-dropdown-item.is-disabled { color: var(--kole-color-text-disabled); cursor: not-allowed; }
  .kole-dropdown-item.is-disabled:hover { background: transparent; }
  .kole-dropdown-divider { height: 1px; background: var(--kole-color-border-strong); margin: 4px 0; }
</style>
</head>
<body>
<div class="demo">
  <h1>Kole UI · Dropdown 组件（纯 H5）</h1>
  <p class="sub">对齐 Dropdown 规范：菜单项高32px、内边距左右12px、悬停 #F5F7FA、危险项 #CF1322、面板圆角6px/阴影中/最小宽120px</p>

  <div class="kole-dropdown" id="dd">
    <button class="kole-dropdown-trigger" role="button" tabindex="0" aria-haspopup="listbox" aria-expanded="false" onclick="toggle()">操作 ▾</button>
    <div class="kole-dropdown-panel" hidden>
      <div class="kole-dropdown-item" role="menuitem" tabindex="0" data-key="edit"><span class="ico">✎</span>编辑</div>
      <div class="kole-dropdown-item" role="menuitem" tabindex="0" data-key="copy">复制</div>
      <div class="kole-dropdown-divider"></div>
      <div class="kole-dropdown-item is-disabled" role="menuitem" tabindex="0" data-key="disable" style="pointer-events:none;color:var(--color-text-placeholder)">不可用的项</div>
      <div class="kole-dropdown-item is-danger" role="menuitem" tabindex="0" data-key="delete">删除</div>
    </div>
  </div>
</div>

<script>
const dd = document.getElementById('dd');
function toggle() {
  const p = dd.querySelector('.kole-dropdown-panel');
  p.hidden = !p.hidden;
}
dd.querySelectorAll('.kole-dropdown-item[data-key]').forEach(it => {
  it.addEventListener('click', () => {
    if (it.classList.contains('is-disabled')) return;
    alert('选择了：' + it.dataset.key);
    dd.querySelector('.kole-dropdown-panel').hidden = true;
  });
});
document.addEventListener('click', (e) => {
  if (!dd.contains(e.target)) dd.querySelector('.kole-dropdown-panel').hidden = true;
});
</script>
</body>
</html>
