Gemini Sidecar Codeblock Styler (Precise)

Style Gemini sidecar codeblocks in Google Workspace (Docs, etc.)

You will need to install an extension such as Tampermonkey, Greasemonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Userscripts to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install a user script manager extension to install this script.

(I already have a user script manager, let me install it!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(I already have a user style manager, let me install it!)

// ==UserScript==
// @name         Gemini Sidecar Codeblock Styler (Precise)
// @namespace    http://tampermonkey.net/
// @version      1.1
// @description  Style Gemini sidecar codeblocks in Google Workspace (Docs, etc.)
// @author       You
// @match        https://docs.google.com/document/*
// @grant        none
// ==/UserScript==

(function() {
    'use strict';
    const css = `
    .tm-gemini-code-block {
      background: #222 !important;
      color: #f8f8f2 !important;
      font-family: "Consolas","Source Code Pro","Fira Mono","Menlo",monospace !important;
      font-size: 0.99em !important;
      border-radius: 6px;
      padding: 14px 24px !important;
      margin: 12px 0 !important;
      overflow-x: auto !important;
      box-shadow: 0 1px 4px rgba(60,60,80,0.12);
      display: block !important;
      line-height: 1.5;
      white-space: pre-wrap;
    }
    `;
    const style = document.createElement('style');
    style.textContent = css;
    document.head.appendChild(style);

    // Optionally, ensure styling always gets applied to dynamically loaded code blocks
    const observer = new MutationObserver(() => {
        document.querySelectorAll('pre.tm-gemini-code-block, code.tm-gemini-code-block').forEach(el=>{
            el.classList.add('tm-gemini-code-block');
        });
    });

    // Observe the whole body as sidecar can change dynamically
    observer.observe(document.body, { childList: true, subtree: true });
})();