Fidelity Dark Mode

Forces a dark theme on Fidelity.com using CSS inversion and adjustments. Optimized for color perception, transparency, and specific data card components.

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         Fidelity Dark Mode
// @namespace    http://tampermonkey.net/
// @version      1.10
// @description  Forces a dark theme on Fidelity.com using CSS inversion and adjustments. Optimized for color perception, transparency, and specific data card components.
// @author       ice_fly
// @match        *://*.fidelity.com/*
// @license      GNU GPLv3 
// @grant        GM_addStyle
// @run-at       document-start //use document-start to ensure the styles load as early as possible to prevent a "flash of white" before dark mode kicks in.
// @icon         https://greasyfork.org/rails/active_storage/representations/redirect/eyJfcmFpbHMiOnsiZGF0YSI6MTk2ODkwLCJwdXIiOiJibG9iX2lkIn19--f204b4fe40741e4f1ea0fa3a947fb858d0013bb8/eyJfcmFpbHMiOnsiZGF0YSI6eyJmb3JtYXQiOiJwbmciLCJyZXNpemVfdG9fbGltaXQiOlsyMDAsMjAwXX0sInB1ciI6InZhcmlhdGlvbiJ9fQ==--74d795a80595346362306a325643f8710996102f/mark_composite_light__e4488798cdedc751dc9904fa78e1f408.png?locale=en
// ==/UserScript==

(function() {
    'use strict';

    const dark_mode_css = ` html {
            filter: invert(100%) hue-rotate(180deg) !important; //Invert(100%) makes white -> black and black -> white (luminance inversion) Hue-rotate(180deg) fixes the color hue so that red/green (finance colors) remain correctly perceived after the luminance inversion
            background-color: #FFF !important; //Deep dark background for the page
        }

        img:not(.simple-footer--fid-logo), video, canvas, [role="img"], //General role for images
        .icon, svg:not(.apex-kit-web-icon-root), polyline, path, .Fidelity-svg-icon, //Targeting common SVG icons used by Fidelity
        .chart, // Charts often use canvas or specific containers
        {
            filter: invert(90%) hue-rotate(180deg) !important;
        }

        div, span, li, p, section, header, footer, main {
            border-color: rgba(255, 255, 255, 0.15) !important; //Subtle light gray border
            box-shadow: none !important; // Remove bright box shadows
        }

        a {
            color: #4ac9ff !important; // Bright blue for links
        }

        .DDS_Button, button, input[type="submit"], input[type="button"] {
            border-color: #0076a8 !important;
        }

        .chart-container, .highcharts-container, .DDS_Chart {
            background-color: transparent !important;
        }`;

    // Apply the CSS styles using GM_addStyle
    if (typeof GM_addStyle !== 'undefined') {
        GM_addStyle(dark_mode_css);
    } else {
        // Fallback for non-Violentmonkey environments (less reliable)
        const style = document.createElement('style');
        style.type = 'text/css';
        style.appendChild(document.createTextNode(dark_mode_css));
        document.head.appendChild(style);
    }
})();