Function applyPreview

public/js/folderManager.js:1574–1582

(hex)

  const inputEl = modal.querySelector('#folderColorInput');

  function applyPreview(hex) {
    if (!hex || typeof hex !== 'string') return;
    const front = hex;
    const back = lighten(hex, 14);
    const stroke = darken(hex, 22);
    previewEl.style.setProperty('--filr-folder-front', front);
    previewEl.style.setProperty('--filr-folder-back', back);
    previewEl.style.setProperty('--filr-folder-stroke', stroke);
  }
  applyPreview(defaultHex);
  inputEl?.addEventListener('input', () => applyPreview(inputEl.value));