rMode = (alternate) => {
      // Switch the stylesheets
      const primaryStylesheets = window.document.querySelectorAll('link.quarto-color-scheme:not(.quarto-color-alternate)');
      const alternateStylesheets = window.document.querySelectorAll('link.quarto-color-scheme.quarto-color-alternate');
      manageTransitions('#quarto-margin-sidebar .nav-link', false);
      if (alternate) {
        // note: dark is layered on light, we don't disable primary!
        enableStylesheet(alternateStylesheets);
   