Style Forum BR

Для стилизации форума
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// ==UserScript==
// @name         Style Forum BR
// @namespace    https://forum.blackrussia.online
// @version      0.0.8
// @description  Для стилизации форума
// @author       t.me/arefuer
// @match        https://forum.blackrussia.online/*
// @include      https://forum.blackrussia.online/
// @grant        t.me/arefuer
// @license      arefuer
// @collaborator t.me/arefuer
// @icon         https://i.yapx.ru/ViO6c.png
// ==/UserScript==

(function () {
    'use strict';

    function createAnimatedSnow() {

        const snowflakes = [];

        function setupCanvas() {
            const canvas = document.createElement('canvas');
            canvas.width = window.innerWidth;
            canvas.height = window.innerHeight;
            canvas.id = 'snow-flakes';
            canvas.style.position = 'fixed';
            canvas.style.top = '0';
            canvas.style.left = '0';
            canvas.style.pointerEvents = 'none';
            canvas.style.zIndex = '99999';
            canvas.style.filter = 'blur(2px)';
            document.body.appendChild(canvas);

            return canvas.getContext('2d');
        }

        function createSnowflake(x, y) {
            const size = Math.random() * 2 + 1;
            const speedY = Math.random() * 1 + 1;
            const speedX = (Math.random() - 0.5) * 2;

            return { x, y, size, speedY, speedX };
        }

        function drawSnowflake(ctx, snowflake) {
            ctx.beginPath();
            ctx.arc(snowflake.x, snowflake.y, snowflake.size, 0, Math.PI * 2);
            ctx.fillStyle = 'white';
            ctx.fill();
            ctx.closePath();
        }

        function updateSnowflakes(ctx) {
            for (let i = 0; i < snowflakes.length; i++) {
                const snowflake = snowflakes[i];

                snowflake.y += snowflake.speedY;
                snowflake.x += snowflake.speedX;

                if (snowflake.y > window.innerHeight || snowflake.x > window.innerWidth) {
                    snowflakes[i] = createSnowflake(Math.random() * window.innerWidth, Math.random() * -window.innerHeight);
                }

                drawSnowflake(ctx, snowflake);
            }
        }

        function animateSnow() {
            const ctx = setupCanvas();

            for (let i = 0; i < 500; i++) {
                snowflakes.push(createSnowflake(Math.random() * window.innerWidth, Math.random() * window.innerHeight));
            }

            function animate() {
                ctx.clearRect(0, 0, window.innerWidth, window.innerHeight);
                updateSnowflakes(ctx);
                requestAnimationFrame(animate);
            }

            animate();
        }

        animateSnow();

    }

    function removeAnimatedSnow() {
        const snowCanvas = document.querySelector('#snow-flakes');
        document.body.removeChild(snowCanvas);
    }

    const uixLogo = document.querySelector('a.uix_logo img');
    uixLogo.src = 'https://i.postimg.cc/y8fk35Ds/uix-logo-cust-1.png';
    uixLogo.srcset = 'https://i.postimg.cc/y8fk35Ds/uix-logo-cust-1.png';

    const messageCellUser = document.querySelectorAll('.message-cell--user');
    messageCellUser.forEach(function (cell) {
        cell.style.background = '#29586c88';
    });

    const messageCellMain = document.querySelectorAll('.message-cell--main');
    messageCellMain.forEach(function (cell) {
        cell.style.background = '#15293788';
    });

    const scrollbarStyle = document.createElement('style');
    scrollbarStyle.id = 'style-scrollbar';
    scrollbarStyle.textContent = `
    /* Стили для полосы прокрутки */
    ::-webkit-scrollbar {
        width: 16px;
    }

    /* Дорожка (track) */
    ::-webkit-scrollbar-track {
        background-color: #171e29;
    }

    /* Стиль полосы прокрутки */
    ::-webkit-scrollbar-thumb {
        background-color: #1f2b3b;
        border-radius: 0px;
        transition-duration: .3s;
    }

    /* Стиль полосы прокрутки при наведении */
    ::-webkit-scrollbar-thumb:hover {
        background-color: #2f4b6b;
        transition-duration: .3s;
    }
    `;
    document.head.appendChild(scrollbarStyle);

    const pageHeader = document.querySelector('.pageContent');
    const switchStyleBlock = document.createElement('label');
    switchStyleBlock.className = 'switch';
    switchStyleBlock.innerHTML = `
            <input type="checkbox" id="styleToggleCheck">
            <span class="slider round" style="padding-right: 20px;">
            <span class="addingText" style="display: block; width: max-content; margin: 5px; margin-left: 42px; margin-top: 2px;">Снег</span>
            </span>
        `;
    pageHeader.appendChild(switchStyleBlock);

    const styleToggleCheck = document.getElementById('styleToggleCheck');
    if (localStorage.getItem('snowEnabled') === 'true') {
        styleToggleCheck.checked = true;
        createAnimatedSnow();
    }
    styleToggleCheck.addEventListener('change', function () {
        if (styleToggleCheck.checked) {
            createAnimatedSnow();
            localStorage.setItem('snowEnabled', 'true');
        } else {
            removeAnimatedSnow();
            localStorage.setItem('snowEnabled', 'false');
        }
    });

    const sliderStyle = document.createElement('style');
    sliderStyle.id = 'slider-style';
    sliderStyle.textContent = `
    .switch {
        position: relative;
        display: inline-block;
        width: 40px;
        height: 20px;
        padding-left: 20px;
        margin: 0 30px 0 auto;
    }
    .switch input { display: none; }
    .slider {
        position: absolute;
        cursor: pointer;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        border: 1px solid #34aaeb;
        background-color: #212428;
        transition: all .4s ease;
    }
    .slider:hover{
        background-color: #29686d;
    }
    .slider:before {
        position: absolute;
        content: "";
        height: 14px;
        width: 14px;
        left: 2px;
        bottom: 2px;
        background-color: #32a0a8;
        box-shadow: 0 0 5px #000000;
        transition: all .4s ease;
    }
    input:checked + .slider {
        background-color: #212428;
    }
    input:checked + .slider:hover {
        background-color: #29686d;
    }
    input:focus + .slider {
        box-shadow: 0 0 5px #222222;
        background-color: #444444;
    }
    input:checked + .slider:before {
        transform: translateX(19px);
    }
    .slider.round {
        border-radius: 34px;
    }
    .slider.round:before {
        border-radius: 50%;
    }
`;
    document.head.appendChild(sliderStyle);
})();