'use strict';
(() => {
  const row = document.cookie.split('; ').find(item => item.startsWith('gree_controller_theme='));
  const requested = row ? decodeURIComponent(row.split('=').slice(1).join('=')) : 'system';
  const resolved = requested === 'light' || requested === 'dark'
    ? requested
    : (window.matchMedia('(prefers-color-scheme: light)').matches ? 'light' : 'dark');
  document.documentElement.dataset.theme = resolved;
})();