let rootElement=document.querySelector('.goog-splitpane-second-container ee-tab-panel').shadowRoot

var sheet = new CSSStyleSheet

sheet.replaceSync( '.header button.highlight.error,.header button.error { background-color:#ff0000d9 }')

// Append your style to the existing style sheet.

rootElement.adoptedStyleSheets=[...rootElement.adoptedStyleSheets,sheet];

let consoleButton = Array.from(rootElement.querySelectorAll('.header button')).find(button => button.innerText === 'Console');

let MutationObserver = window.MutationObserver || window.WebKitMutationObserver;

let myObserver = new MutationObserver(function(mutList){

[...mutList].map(function(mut){

[...mut.addedNodes].map(function(e){

if([...Object.getOwnPropertySymbols(e)].some(s=>e[s]=='error')|| (e.parentNode?.classList.contains("error"))){

consoleButton.classList.add("error")

}

});

if(document.querySelectorAll('ee-console-log').length==0){

consoleButton.classList.remove("error")

}

});

});

let obsConfig = { childList: true, attributes:true, subtree: true};

if(document.querySelector('ee-console'))

myObserver.observe(document.querySelector('ee-console'), obsConfig);