<!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 · ColorPicker（普通 H5）</title>
  <link rel="stylesheet" href="../.design_library/kole-ui/colors_and_type.css" />
  <link rel="stylesheet" href="ColorPicker.css" />
  <style>body{margin:0;padding:24px;background: var(--kole-color-page-bg);} .kole-panel{background: var(--kole-color-card-bg);border: 1px solid var(--kole-color-border);border-radius:8px;padding:16px;width:240px;}</style>
</head>
<body>
  <div class="kole-panel">
    <div class="kole-colorpicker" role="group" id="app"></div>
  </div>

  <script>
    var PRESETS = ['#2F54EB','#1D39C4','#10239E','#CF1322','#8C5A00','#2E7D0A','#13C2C2','#722ED1',
                   '#EB2F96','#8C5A00','#A0D911','#1890FF','#2F54EB','#000000','#595959','#6E6E6E'];
    var state = { hex: '#2F54EB', alpha: 1 };

    function rgba(hex, a) {
      var n = parseInt(hex.slice(1), 16);
      return 'rgba(' + ((n>>16)&255) + ',' + ((n>>8)&255) + ',' + (n&255) + ',' + a + ')';
    }
    function render() {
      var root = document.getElementById('app');
      var swatches = PRESETS.map(function (c) {
        return '<div class="kole-colorpicker-swatch ' + (c.toLowerCase() === state.hex.toLowerCase() ? 'is-active' : '') + '" role="group" style="background:' + c + '" data-hex="' + c + '"></div>';
      }).join('');
      root.innerHTML =
        '<div class="kole-colorpicker-presets" role="group">' + swatches + '</div>' +
        '<div class="kole-colorpicker-row" role="group">' +
          '<div class="kole-colorpicker-preview" role="group" style="background:' + rgba(state.hex, state.alpha) + '"></div>' +
          '<input type="color" class="kole-colorpicker-native" role="group" id="native" value="' + state.hex + '" />' +
          '<input class="kole-colorpicker-hex" role="group" id="hex" value="' + state.hex.toUpperCase() + '" maxlength="7" />' +
        '</div>' +
        '<div class="kole-colorpicker-alpha" role="group">透明度' +
          '<input type="range" id="alpha" min="0" max="100" value="' + Math.round(state.alpha*100) + '" />' +
          '<span id="alval">' + Math.round(state.alpha*100) + '%</span>' +
        '</div>';

      root.querySelectorAll('.kole-colorpicker-swatch').forEach(function (el) {
        el.addEventListener('click', function () { state.hex = el.dataset.hex; render(); });
      });
      document.getElementById('native').addEventListener('input', function (e) { state.hex = e.target.value; render(); });
      document.getElementById('hex').addEventListener('input', function (e) {
        var v = e.target.value;
        if (/^#[0-9a-fA-F]{6}$/.test(v)) { state.hex = v; document.getElementById('app').querySelector('.kole-colorpicker-preview').style.background = rgba(state.hex, state.alpha); }
      });
      document.getElementById('alpha').addEventListener('input', function (e) {
        state.alpha = e.target.value / 100;
        document.getElementById('alval').textContent = e.target.value + '%';
        document.getElementById('app').querySelector('.kole-colorpicker-preview').style.background = rgba(state.hex, state.alpha);
      });
    }
    render();
  </script>
</body>
</html>
