YT Music tweaks by pgaskin

/* ==UserStyle==
@name         YT Music tweaks
@version      20240510.03.35
@namespace    https://userstyles.world/user/pgaskin
@description  Various tweaks to the YouTube Music interface. See the comments in the source code.
@license      No License
@author       Patrick Gaskin
@homepageURL  https://github.com/pgaskin/userstyles
@supportURL   https://github.com/pgaskin/userstyles/issues
==/UserStyle== */

@-moz-document domain("music.youtube.com") {
    /** Hide album art on queue panel in narrow mode. */
    ytmusic-player-page:is([player-ui-state_="PLAYER_PAGE_OPEN"], [player-ui-state="PLAYER_PAGE_OPEN"]):not(:is([video-mode_], [video-mode])) {
        #main-panel {
            display: none !important;
        }
        #side-panel {
            /* remove top margin (narrow), left margin (wide), but center and make wider (wide) */
            margin: 0 auto !important;
            flex: 1;
        }
        padding-top: 0 !important;
    }

    /** Clean up navbar. */
    ytmusic-nav-bar {
        > :is(.right-content, .center-content) {
            padding-right: 0 !important;

            /* .sign-in-link { display: none !important } */
            ytmusic-cast-button { display: none !important; }
        }
    }
    ytmusic-guide-renderer > ytmusic-guide-signin-promo-renderer {
        display: none !important;
    }

    /** Always center search bar. */
    ytmusic-nav-bar:not([show-search-placeholder]) > .center-content {
        justify-content: center !important;
    }

    /** Hide full-bleed artist art. */
    ytmusic-browse-response ytmusic-immersive-header-renderer ytmusic-fullbleed-thumbnail-renderer {
        display: none !important;
    }

    /** Hide premium promo. */
    ytmusic-popup-container tp-yt-paper-dialog:has(ytmusic-mealbar-promo-renderer) {
        display: none !important;
    }

    /** Hide entire left navbar (useless without signing in). */
    ytmusic-app[is-bauhaus-sidenav-enabled]:has(.sign-in-link) {
        #mini-guide, #mini-guide-background {
            display: none !important;
        }
        --ytmusic-guide-width: 0px;
    }

    /** Hide like buttons (not usable without signing in). */
    ytmusic-like-button-renderer:has(.sign-in-link) {
        display: none !important;
    }

    /** Hide artist images for cleaner UI. */
    ytmusic-carousel [has-circle-cropped-thumbnail_] ytmusic-thumbnail-renderer {
        visibility: hidden !important;
    }
}