ChatGPT UP DOWN buttons

up/down buttons for chatgpt
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Αναδίπλωση γραμμών
// ==UserScript==
// @name         ChatGPT UP DOWN buttons
// @namespace    http://tampermonkey.net/
// @version      2026-07-25
// @description  up/down buttons for chatgpt
// @author       Johann Nather
// @match        https://chatgpt.com/*
// @icon         https://www.google.com/s2/favicons?sz=64&domain=chatgpt.com
// @grant        none
// @license      GNU GPLv3
// ==/UserScript==
(function () {
    "use strict";

    // Mehrfaches Einfügen verhindern
    if (document.getElementById("chat-scroll-buttons")) return;

    // Chat-Container suchen
    function getScrollContainer() {
        let best = document.scrollingElement;
        let maxScroll = 0;

        document.querySelectorAll("*").forEach((el) => {
            const style = getComputedStyle(el);

            if (
                (style.overflowY === "auto" || style.overflowY === "scroll") &&
                el.scrollHeight > el.clientHeight + 50
            ) {
                const scroll = el.scrollHeight - el.clientHeight;
                if (scroll > maxScroll) {
                    maxScroll = scroll;
                    best = el;
                }
            }
        });

        return best;
    }

    function scrollTop() {
        getScrollContainer().scrollTo({
            top: 0,
            behavior: "smooth",
        });
    }

    function scrollBottom() {
        const c = getScrollContainer();
        c.scrollTo({
            top: c.scrollHeight,
            behavior: "smooth",
        });
    }
    // Container für Buttons
    const wrapper = document.createElement("div");
    wrapper.id = "chat-scroll-buttons";
wrapper.style.cssText = `
    position: fixed;
    right: 40px;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    flex-direction: column;
    gap: 8px;
    z-index: 999999;
`;
    function createButton(symbol, onClick) {
        const btn = document.createElement("button");

        // btn.textContent = symbol;
        btn.innerHTML = symbol;
        btn.style.cssText = `
    width: 32px;
    height: 32px;
    border: none;
    border-radius: 50%;
    background: rgba(0, 100, 0, 0.5);
    color: black;
    font-size: 19px;
    font-weight: bold;
    line-height: 32px;
    text-align: center;
    cursor: pointer;
    user-select: none;
    box-shadow: 0 3px 8px rgba(0,0,0,.35);
    transition: transform .15s, background-color .2s;
`;
        //-----------------------------------------------------------------------------------
        //-----------------------------------------------------------------------------------
        //-----------------------------------------------------------------------------------
        btn.onmouseenter = () => {
            btn.style.transform = "scale(1.08)";
            btn.style.backgroundColor = "rgba(139, 0, 0, 0.5)"; // dunkelrot, 50% transparent
        };

        btn.onmouseleave = () => {
            btn.style.transform = "scale(1)";
            btn.style.backgroundColor = "rgba(0, 100, 0, 0.5)"; // dunkelgrün, 50% transparent
        };
        btn.onclick = onClick;
        return btn;
    }
    //wrapper.appendChild(createButton("⬆", scrollTop));
    //wrapper.appendChild(createButton("⬇", scrollBottom));

    wrapper.appendChild(createButton("▲", scrollTop));
    wrapper.appendChild(createButton("▼", scrollBottom));

    document.body.appendChild(wrapper);
})();