Website UI Switcher

Switch UI styles (modern/retro/material) for YouTube, Google, Roblox, Yahoo!, and Amazon.

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 or Violentmonkey 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         Website UI Switcher
// @namespace    http://tampermonkey.net/
// @version      1.1
// @description  Switch UI styles (modern/retro/material) for YouTube, Google, Roblox, Yahoo!, and Amazon.
// @author       Your Name
// @match        *://*.youtube.com/*
// @match        *://*.google.com/*
// @match        *://*.roblox.com/*
// @match        *://*.yahoo.com/*
// @match        *://*.amazon.com/*
// @grant        GM_addStyle
// @grant        GM_registerMenuCommand
// ==/UserScript==

// Default settings
let settings = {
    style: "modern",  // "modern", "retro", or "material"
    roundedCorners: true,  // true or false
};

// Load settings from localStorage
if (localStorage.getItem("uiSwitcherSettings")) {
    settings = JSON.parse(localStorage.getItem("uiSwitcherSettings"));
}

// Apply styles based on settings
function applyStyles() {
    if (settings.style === "modern") {
        GM_addStyle(`
            /* General Modern Rounded Styles */
            * {
                border-radius: ${settings.roundedCorners ? '10px' : '0px'} !important;
                box-shadow: 2px 2px 10px rgba(0, 0, 0, 0.1);
                transition: all 0.3s ease;
            }
            
            /* Modern Font */
            body, button, input {
                font-family: 'Arial', sans-serif !important;
            }
        `);
    } else if (settings.style === "retro") {
        GM_addStyle(`
            /* Retro Styles */
            * {
                border-radius: ${settings.roundedCorners ? '10px' : '0px'} !important;
                box-shadow: 0px 0px 10px rgba(0, 0, 0, 0.2);
                background-color: #282c34 !important;
                color: #61dafb !important;
                transition: all 0.3s ease;
            }
            
            /* Retro Font */
            body, button, input {
                font-family: 'Press Start 2P', cursive !important;
            }
        `);
    } else if (settings.style === "material") {
        GM_addStyle(`
            /* Material Design Lite Styles */
            @import url('https://fonts.googleapis.com/icon?family=Material+Icons');
            @import url('https://code.getmdl.io/1.3.0/material.indigo-pink.min.css');
            
            * {
                border-radius: ${settings.roundedCorners ? '4px' : '0px'} !important;
                box-shadow: 0px 2px 10px rgba(0, 0, 0, 0.2) !important;
                transition: all 0.3s ease;
            }

            body {
                font-family: 'Roboto', sans-serif !important;
            }

            .mdl-button {
                border-radius: 4px !important;
            }
        `);
    }
}

// Save settings
function saveSettings() {
    localStorage.setItem("uiSwitcherSettings", JSON.stringify(settings));
    applyStyles();
}

// Settings page UI
function createSettingsPage() {
    const settingsContainer = document.createElement("div");
    settingsContainer.id = "uiSwitcherSettingsContainer";
    settingsContainer.className = "mdl-card mdl-shadow--4dp";
    settingsContainer.style.position = "fixed";
    settingsContainer.style.top = "10%";
    settingsContainer.style.left = "50%";
    settingsContainer.style.transform = "translateX(-50%)";
    settingsContainer.style.zIndex = "9999";
    settingsContainer.style.width = "300px";

    settingsContainer.innerHTML = `
        <div class="mdl-card__title mdl-card--expand">
            <h2 class="mdl-card__title-text">UI Switcher Settings</h2>
        </div>
        <div class="mdl-card__supporting-text">
            <label for="uiStyleSelector">
                Style:
                <select id="uiStyleSelector" class="mdl-selectfield__select">
                    <option value="modern" ${settings.style === 'modern' ? 'selected' : ''}>Modern</option>
                    <option value="retro" ${settings.style === 'retro' ? 'selected' : ''}>Retro</option>
                    <option value="material" ${settings.style === 'material' ? 'selected' : ''}>Material</option>
                </select>
            </label><br><br>
            <label for="roundedCornersCheckbox">
                Rounded Corners:
                <input type="checkbox" id="roundedCornersCheckbox" ${settings.roundedCorners ? 'checked' : ''}>
            </label><br><br>
        </div>
        <div class="mdl-card__actions mdl-card--border">
            <button id="saveSettingsButton" class="mdl-button mdl-js-button mdl-button--raised mdl-button--colored">
                Save
            </button>
            <button id="resetSettingsButton" class="mdl-button mdl-js-button mdl-button--raised mdl-button--accent">
                Reset to Default
            </button>
            <button id="closeSettingsButton" class="mdl-button mdl-js-button mdl-button--raised">
                Close
            </button>
        </div>
    `;

    document.body.appendChild(settingsContainer);

    // Initialize MDL components
    componentHandler.upgradeDom();

    // Add event listeners for controls
    document.getElementById("saveSettingsButton").addEventListener("click", () => {
        settings.style = document.getElementById("uiStyleSelector").value;
        settings.roundedCorners = document.getElementById("roundedCornersCheckbox").checked;
        saveSettings();
        alert("Settings saved!");
    });

    document.getElementById("resetSettingsButton").addEventListener("click", () => {
        localStorage.removeItem("uiSwitcherSettings");
        settings = {
            style: "modern",
            roundedCorners: true
        };
        document.getElementById("uiStyleSelector").value = 'modern';
        document.getElementById("roundedCornersCheckbox").checked = true;
        saveSettings();
        alert("Settings reset to default!");
    });

    document.getElementById("closeSettingsButton").addEventListener("click", () => {
        settingsContainer.remove();
    });
}

// Register menu command to open settings page
GM_registerMenuCommand("UI Switcher Settings", createSettingsPage);

// Apply styles on page load
applyStyles();