/* Same-origin tool pages have their own navigation. An empty markdown TOC must
   not take desktop space or cover the page when a window becomes narrow. */
.custom-page-layout .toc-sidebar:has(.toc-nav:empty){display:none!important}
.custom-page-layout:has(iframe[src="/user-start/"]) .markdown-page-content,
.custom-page-layout:has(iframe[src="/user-start/guide.html"]) .markdown-page-content,
.custom-page-layout:has(iframe[src="/upstream-import/"]) .markdown-page-content{padding:0!important}