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Chat Squircle

Adds corner-shape: squircle to chat input boxes on ChatGPT, Gemini, Grok, and AI Studio

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         Chat Squircle
// @namespace    https://loongphy.com
// @version      1.1
// @description  Adds corner-shape: squircle to chat input boxes on ChatGPT, Gemini, Grok, and AI Studio
// @author       loongphy
// @match        https://chatgpt.com/*
// @match        https://gemini.google.com/*
// @match        https://grok.com/*
// @match        https://aistudio.google.com/*
// @grant        none
// @run-at       document-idle
// ==/UserScript==

(function() {
    'use strict';

    const SQUIRCLE_CSS = `
        corner-shape: squircle;
    `;

    const CONFIG = [
        {
            domain: 'chatgpt.com',
            selector: '#prompt-textarea',
            targetParent: true,
            parentDepth: 3
        },
        {
            domain: 'chatgpt.com',
            selector: '.user-message-bubble-color',
            targetParent: false,
            parentDepth: 0
        },
        {
            domain: 'chatgpt.com',
            selector: '.divide-token-border-default',
            targetParent: false,
            parentDepth: 0
        },
        {
            domain: 'gemini.google.com',
            selector: '.ql-editor',
            targetParent: true,
            parentDepth: 7
        },
        {
            domain: 'grok.com',
            selector: '[contenteditable="true"]',
            targetParent: true,
            parentDepth: 4
        },
        {
            domain: 'aistudio.google.com',
            selector: '.prompt-input-wrapper',
            targetParent: false, 
            parentDepth: 0
        }
    ];

    function getDomain() {
        return window.location.hostname;
    }

    function applySquircle() {
        const domain = getDomain();
        // Find all configs that match the current domain
        const activeConfigs = CONFIG.filter(config => domain.includes(config.domain));
        
        if (activeConfigs.length === 0) return;
        
        activeConfigs.forEach(config => {
            const elements = document.querySelectorAll(config.selector);

            elements.forEach(el => {
                let target = el;
                
                if (config.targetParent) {
                    // Traverse up to find the container that likely has the border
                    // This is heuristic: look for a div with a border or background
                    let parent = el.parentElement;
                    for(let i=0; i<config.parentDepth && parent; i++) {
                         target = parent;
                         parent = parent.parentElement;
                    }
                }

                // Apply the style directly to the target element
                if (!target.dataset.squircleApplied) {
                    target.style.cssText += SQUIRCLE_CSS;
                    target.dataset.squircleApplied = "true";
                }
            });
        });
    }

    // Initial run
    applySquircle();

    // Observe changes for dynamic SPAs
    const observer = new MutationObserver((mutations) => {
        applySquircle();
    });

    observer.observe(document.body, {
        childList: true,
        subtree: true
    });

})();