Better Youtube

Prettier youtube with red sub button and less rounded edges
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// ==UserScript==
// @name        Better Youtube
// @version     5.2
// @author      tiramifue
// @description Prettier youtube with red sub button and less rounded edges
// @match       https://*.youtube.com/*
// @exclude     *://music.youtube.com/*
// @exclude     *://*.music.youtube.com/*
// @run-at      document-end
// @grant       GM_addStyle
// @grant       GM_registerMenuCommand
// @grant       GM_unregisterMenuCommand
// @grant       GM_getValue
// @grant       GM_setValue
// @namespace   https://gf.qytechs.cn/users/570213
// @license     Apache-2.0
// ==/UserScript==

// updated      2025-06-07

(function(){
    "use strict";

    // ---------- Iframe Handling ----------
    if (window.top !== window.self) {
        switch (location.pathname) {
            case "/live_chat":
                GM_addStyle(getCustomStyleContent("live_chat"));
                break;
        }
        return;
    }


    // ---------- Persistent Settings ----------
    const features = [
        {
            key: "cleanButtonMode",
            name: "Clean Button Mode",
            defaultValue: false,
            onToggle: updateCustomStyleContent
        }
    ]

    class ToggleSystem {
        static getState(key, defaultValue) {
            return GM_getValue(key, defaultValue);
        }

        static setState(key, state) {
            GM_setValue(key, state);
        }

        static registerFeature(feature) {
            const currentState = this.getState(feature.key, feature.defaultValue);
            const stateText = currentState ? "Disable" : "Enable";
            const menuText = `${stateText} ${feature.name}`;

            const menuCommandId = GM_registerMenuCommand(menuText, () => {
                this.toggleFeature(feature);
            });

            feature.menuCommandId = menuCommandId;
        }

        static unregisterFeature(feature) {
            GM_unregisterMenuCommand(feature.menuCommandId);
        }

        static toggleFeature(feature) {
            const currentState = this.getState(feature.key, feature.defaultValue);
            const newState = !currentState;
            this.setState(feature.key, newState);

            this.unregisterFeature(feature);
            this.registerFeature(feature);

            feature.onToggle();
        }

        static initializeAll(features) {
            features.forEach(feature => {
                this.registerFeature(feature);
            })
        }
    }

    ToggleSystem.initializeAll(features);

    // ---------- Clean Button Mode ----------
    function getCleanButtonModeCSS() {
        const state = ToggleSystem.getState("cleanButtonMode", false);
        return state ? `
            .yt-spec-button-shape-next--mono.yt-spec-button-shape-next--tonal, .ytChipShapeInactive, .yt-spec-button-shape-next--overlay.yt-spec-button-shape-next--tonal {
                background: none;
            }
        ` : "";
    }


    // ---------- Theater cinematics ----------
    let isSetup = false;
    let isFullscreen = false;

    // Wait for DOM to be ready
    if (document.readyState === 'loading') {
        document.addEventListener('DOMContentLoaded', init);
    } else {
        init();
    }

    function init() {
        waitForElements();
        document.addEventListener("fullscreenchange", onFullscreenChange);
    }

    function waitForElements() {
        if (isSetup) return;

        const observer = new MutationObserver(function() {
            if (isSetup) return;

            const cinematics = document.querySelector("#cinematics-container");
            const defaultPlayer = document.querySelector("#primary-inner > #player");
            const theaterPlayer = document.querySelector("#full-bleed-container");

            if (cinematics && defaultPlayer && theaterPlayer) {
                isSetup = true;
                observer.disconnect();
                setupTheaterModeWatcher(cinematics, defaultPlayer, theaterPlayer);
            }
        });

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

        // Check if elements already exist
        const cinematics = document.querySelector("#cinematics-container");
        const defaultPlayer = document.querySelector("#primary-inner > #player");
        const theaterPlayer = document.querySelector("#full-bleed-container");

        if (cinematics && defaultPlayer && theaterPlayer && !isSetup) {
            isSetup = true;
            observer.disconnect();
            setupTheaterModeWatcher(cinematics, defaultPlayer, theaterPlayer);
        }
    }

    function setupTheaterModeWatcher(cinematics, defaultPlayer, theaterPlayer) {
        fixMastheadOpacity();

        const watchFlexy = document.querySelector('ytd-watch-flexy');
        if (!watchFlexy) return;

        const theaterObserver = new MutationObserver(function() {
            const isTheaterMode = watchFlexy.hasAttribute('theater');

            if (isTheaterMode) {
                theaterPlayer.prepend(cinematics);
            } else {
                defaultPlayer.prepend(cinematics);
            }
        });

        theaterObserver.observe(watchFlexy, {
            attributes: true,
            attributeFilter: ['theater']
        });

        if (watchFlexy.hasAttribute('theater')) {
            theaterPlayer.prepend(cinematics);
        }
    }

    function fixMastheadOpacity() {
        const mastheadBg = document.querySelector('#background.style-scope.ytd-masthead');
        if (!mastheadBg) return;

        const observer = new MutationObserver(function(mutations) {
            const isTheaterMode = Boolean(document.querySelector("ytd-watch-flexy[theater]"));
            if (isTheaterMode && !isFullscreen) {
                let opacity = window.scrollY * 0.01;
                if (opacity > 1) opacity = 1;
                mastheadBg.style.setProperty('opacity', opacity);
            }
        });

        observer.observe(mastheadBg, {
            attributes: true,
            attributeFilter: ['style']
        });

        // Set initial state
        const isTheaterMode = document.querySelector("ytd-watch-flexy[theater]");
        if (isTheaterMode) {
            mastheadBg.style.setProperty('opacity', '0');
        }
    }

    function onFullscreenChange() {
        isFullscreen = Boolean(document.fullscreenElement);
        if (!isFullscreen) {
            const mastheadBg = document.querySelector('#background.style-scope.ytd-masthead');
            if (!mastheadBg) return;
            mastheadBg.style.setProperty('opacity', '0');
        }
    }


    // ---------- Styles ----------
    const customStyle = GM_addStyle(getCustomStyleContent());

    function updateCustomStyleContent() {
        customStyle.textContent = getCustomStyleContent();
    }

    function getCustomStyleContent(target = "main") {
        switch (target) {

            case "live_chat":
                return `
html:not(.style-scope)[dark],:not(.style-scope)[dark]{
    --yt-spec-10-percent-layer:rgb(255 255 255 / 10%);
    --yt-spec-badge-chip-background:rgb(255 255 255 / 7%);
    --yt-spec-additive-background:rgb(255 255 255 / 7%);
    --yt-spec-menu-background:rgb(18 18 18 / 98%);
    --yt-live-chat-banner-gradient-scrim: linear-gradient(rgba(18, 18, 18, 0.95), transparent);
    --yt-live-chat-toast-background-color: rgb(18 18 18);
    scrollbar-color: rgb(78 78 78) transparent;
}
yt-live-chat-toast-renderer[is-showing-message] {
    border-top: 1px solid rgb(255 255 255 / 10%);
}
yt-live-chat-banner-renderer {
    backdrop-filter: blur(48px);
    border: 1px solid rgb(255 255 255 / 10%);
    box-shadow: 0px 0px 30px 6px rgba(0, 0, 0, 0.7);
    background: rgb(18 18 18 / 80%);
    --yt-live-chat-primary-text-color: var(--yt-spec-text-primary);
}
tp-yt-iron-dropdown.style-scope.yt-live-chat-app {
    backdrop-filter: blur(48px);
    border: 1px solid rgb(255 255 255 / 10%);
    border-radius: 12px !important;
    box-shadow: 0px 0px 30px 6px rgba(0, 0, 0, 0.7);
    background: rgb(18 18 18 / 80%) !important;
}
ytd-menu-popup-renderer {
    background: transparent;
    backdrop-filter: none;
}
#card.yt-live-chat-viewer-engagement-message-renderer {
    background: transparent;
    border: 1px solid rgb(255 255 255 / 10%);
}
.yt-spec-button-shape-next--mono-inverse.yt-spec-button-shape-next--text {
    color: #f1f1f1;
}
`;

            case "main":
                return `
html:not(.style-scope)[dark],:not(.style-scope)[dark]{
    --yt-spec-10-percent-layer:rgb(255 255 255 / 10%);
    --yt-spec-badge-chip-background:rgb(255 255 255 / 7%);
    --yt-spec-additive-background:rgb(255 255 255 / 7%);
    --yt-spec-menu-background:rgb(18 18 18 / 98%);
    scrollbar-color: rgb(78 78 78) transparent;
}
.YtSearchboxComponentSuggestionsContainer, .ytSearchboxComponentSuggestionsContainer, #ytp-id-18, .ytp-popup, tp-yt-iron-dropdown.style-scope.ytd-popup-container, tp-yt-paper-dialog[modern] {
    backdrop-filter: blur(48px);
    border: 1px solid rgb(255 255 255 / 10%);
    border-radius: 12px !important;
    box-shadow: 0px 0px 30px 6px rgba(0, 0, 0, 0.7);
    background: rgb(18 18 18 / 80%) !important;
}
#background.ytd-masthead {
    backdrop-filter: blur(48px);
    background: rgb(18 18 18 / 80%);
}
ytd-menu-popup-renderer, ytd-multi-page-menu-renderer, ytd-simple-menu-header-renderer, .yt-contextual-sheet-layout-wiz, .yt-sheet-view-model-wiz--contextual {
    background: transparent;
    backdrop-filter: none;
}
ytd-thumbnail a.ytd-thumbnail, ytd-thumbnail:before {
    border-radius: 1px;
}
#thumbnail {
    border-radius: 1px;
}
#subscribe-button-shape button {
    color: var(--yt-spec-text-primary);
    background: #cc0000;
    border-radius: 2px;
    text-transform: uppercase;
}
button.yt-spec-button-shape-next.yt-spec-button-shape-next--filled.yt-spec-button-shape-next--mono.yt-spec-button-shape-next--size-m:hover {
    background: #880000;
}
#sponsor-button button {
    background: var(--yt-spec-badge-chip-background);
    color: var(--yt-spec-text-primary);
}
#sponsor-button button:hover {
    background: #414141;
}
.yt-spec-button-shape-next--size-m {
    border-radius: 2px;
}
.yt-spec-button-shape-next--size-m.yt-spec-button-shape-next--segmented-start {
    border-radius: 2px 0 0 2px;
}
.yt-spec-button-shape-next--size-m.yt-spec-button-shape-next--segmented-end {
    border-radius: 0 2px 2px 0;
}
yt-chip-cloud-chip-renderer[modern-chips][chip-style] {
    border-radius: 2px;
}
#container.ytd-searchbox {
    border-radius: 2px 0 0 2px;
}
#search-icon-legacy.ytd-searchbox {
    border-radius: 0 2px 2px 0;
}
.sbdd_b {
    border-radius: 8px;
}
ytd-watch-metadata[modern-metapanel] #description.ytd-watch-metadata {
    border-radius: 2px;
}
ytd-guide-entry-renderer[guide-refresh] {
    border-radius: 2px;
}
.yt-spec-touch-feedback-shape {
    border-radius: 2px;
}
ytd-rich-metadata-renderer[rounded] {
    border-radius: 2px;
}
.shortsLockupViewModelHostThumbnailContainerRounded {
    border-radius: 2px;
}
#tooltip {
    display: none;
}
ytd-engagement-panel-section-list-renderer[dialog] #content.ytd-engagement-panel-section-list-renderer {
    background: transparent;
}
#header.ytd-engagement-panel-title-header-renderer {
    background: rgb(18 18 18 / 80%);
    border-bottom: 1px solid rgb(255 255 255 / 5%);
}
ytd-engagement-panel-section-list-renderer[dialog] #header.ytd-engagement-panel-section-list-renderer {
    margin: 0;
}
ytd-engagement-panel-section-list-renderer[dialog] ytd-section-list-renderer.ytd-engagement-panel-section-list-renderer {
    background: rgb(18 18 18 / 50%);
}
ytd-engagement-panel-section-list-renderer[dialog][target-id=engagement-panel-comments-section] {
    width: 40vmax;
}
#menu.ytd-engagement-panel-title-header-renderer:not(:empty) {
    flex: 1;
}
#title-container.ytd-engagement-panel-title-header-renderer {
    max-width: 150px;
}
tp-yt-iron-overlay-backdrop.opened {
    opacity: 0.6;
}
ytd-dismissal-follow-up-renderer[darker-dark-theme][dialog][dialog][dialog] {
    background-color: transparent;
}
ytd-guide-entry-renderer[guide-refresh] #endpoint.yt-simple-endpoint.ytd-guide-entry-renderer:hover, ytd-guide-entry-renderer[guide-refresh] #endpoint.yt-simple-endpoint.ytd-guide-entry-renderer:focus {
    border-radius: 2px;
}
ytd-guide-entry-renderer[guide-refresh] #endpoint.yt-simple-endpoint.ytd-guide-entry-renderer:active {
    border-radius: 2px;
}
ytd-guide-entry-renderer[guide-refresh] yt-interaction.ytd-guide-entry-renderer {
    border-radius: 2px;
}
.yt-spec-button-shape-next--size-s {
    border-radius: 2px;
}
button.yt-spec-button-shape-next.yt-spec-button-shape-next--text.yt-spec-button-shape-next--call-to-action.yt-spec-button-shape-next--size-m.yt-spec-button-shape-next--icon-leading.yt-spec-button-shape-next--align-by-text:hover {
    background-color: rgb(38 56 80 / 55%);
}
.yt-spec-button-shape-next--size-l {
    border-radius: 2px;
}
.yt-spec-button-shape-next--size-l.yt-spec-button-shape-next--icon-button {
    width: 44px;
    height: 44px;
}
#content.ytd-engagement-panel-section-list-renderer, ytd-item-section-renderer[static-comments-header] #header.ytd-item-section-renderer, .watch-while-engagement-panel.ytd-reel-video-renderer {
    background: rgb(18 18 18);
}
ytd-reel-video-renderer[is-watch-while-mode] .watch-while-engagement-panel.ytd-reel-video-renderer {
    border-radius: 12px;
}
ytd-item-section-renderer[static-comments-header] #header.ytd-item-section-renderer {
    border-top: 1px solid rgb(255 255 255 / 10%);
}
yt-chip-cloud-chip-renderer, ytd-guide-entry-renderer, #endpoint.yt-simple-endpoint.ytd-guide-entry-renderer:active, #endpoint.yt-simple-endpoint.ytd-guide-entry-renderer:hover, #endpoint.yt-simple-endpoint.ytd-guide-entry-renderer:focus, yt-interaction.ytd-guide-entry-renderer, #description.ytd-watch-metadata, .ytChipShapeChip {
    border-radius: 2px;
}
tp-yt-paper-item.ytd-guide-entry-renderer {
    --paper-item-focused-before-border-radius: 2px;
}
#sponsor-button > ytd-button-renderer {
    background: rgb(35 35 35);
    border-radius: 2px;
}
#sponsor-button > ytd-button-renderer > yt-button-shape > button {
    border: none;
}
#navigation-button-down > ytd-button-renderer > yt-button-shape > button > yt-touch-feedback-shape > div {
    border-radius: 28px;
}
#voice-search-button.ytd-masthead {
    background-color: transparent;
}
yt-interaction.rounded-large .fill.yt-interaction, yt-interaction.rounded-large .stroke.yt-interaction {
    border-radius: 2px;
}
#target[title="Email"] > yt-icon > span > div {
    filter: invert(1);
}
ytd-engagement-panel-section-list-renderer[modern-panels]:not([live-chat-engagement-panel]) {
    border-radius: 2px;
}
ytd-reel-video-renderer:not([enable-player-metadata-container]) .watch-while-engagement-panel.ytd-reel-video-renderer {
    background: rgb(15 15 15);
}
yt-interaction.circular .fill.yt-interaction, yt-interaction.circular .stroke.yt-interaction {
    border-radius: 2px;
}
yt-icon-button.ytd-masthead:hover, ytd-topbar-menu-button-renderer.ytd-masthead:hover, ytd-notification-topbar-button-renderer.ytd-masthead:hover, .ytSearchboxComponentClearButton:hover {
    border-radius: 2px;
}
#overlays > yt-thumbnail-overlay-badge-view-model {
    display: none;
}
ytd-watch-flexy[rounded-player] #ytd-player.ytd-watch-flexy {
    border-radius: 2px;
}
.YtSearchboxComponentInputBox, .ytSearchboxComponentInputBox {
    border-radius: 2px 0 0 2px;
}
.YtSearchboxComponentSearchButton, .ytSearchboxComponentSearchButton {
    border-radius: 0 2px 2px 0;
}
.ytSearchboxComponentClearButton {
    margin-right: 6px;
}
#chip-container.yt-chip-cloud-chip-renderer {
    border-radius: 2px;
}
.ytVideoMetadataCarouselViewModelHost {
    background: var(--yt-spec-badge-chip-background);
    border-radius: 2px;
}
#cinematics-container > #cinematics > div > div {
    transform: scale(1.5, 2) !important;
}
${getCleanButtonModeCSS()}
`;
        }
    }
})();
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