Chrome global dark mode

dark_mode.js

// ==UserScript==
// @name         Smart Global Dark Mode
// @namespace    http://tampermonkey.net/
// @version      1.0
// @description  Apply dark mode on all sites except blacklisted ones
// @author       You
// @match        *://*/*
// @grant        GM_addStyle
// ==/UserScript==

(function () {
    'use strict';

    // List of domains to exclude (partial matches work)
    const blacklist = [
        'example.com',
        'docs.google.com',
        'banking.com',
        'x.com'
    ];

    const currentHost = window.location.hostname;

    // Skip dark mode if current domain matches any blacklist entry
    if (blacklist.some(domain => currentHost.includes(domain))) {
        return;
    }

    // Inject dark mode styles
    GM_addStyle(`
        html, body {
            background-color: #111 !important;
            color: #ddd !important;
        }
        * {
            background-color: transparent !important;
            color: inherit !important;
            border-color: #444 !important;
        }
        a {
            color: #8ab4f8 !important;
        }
        input, textarea, select, button {
            background-color: #222 !important;
            color: #eee !important;
            border-color: #555 !important;
        }
        img, video {
            filter: brightness(0.85) contrast(1.1) !important;
        }
        ::selection {
            background: #555 !important;
            color: #fff !important;
        }
    `);
})();