youtube-tweaks.user.css

/* Hide shelves and items we don't want */
ytd-rich-shelf-renderer {
    height: 0 !important;
    opacity: 0 !important;
    pointer-events: none !important;
}
.ytd-rich-grid-renderer ytd-rich-item-renderer:has(ad-badge-view-model),
.ytd-rich-grid-renderer ytd-rich-item-renderer:has(.badge-style-type-members-only),
.ytd-rich-grid-renderer ytd-rich-item-renderer:has([aria-label="LIVE"]),
.ytd-rich-grid-renderer ytd-rich-item-renderer:has([aria-label="Upcoming"]),
ytd-video-renderer [href^="/shorts/"],
[title="Shorts"],
ytd-miniplayer,
ytd-reel-shelf-renderer,
.ytd-rich-shelf-renderer:has(.ytd-rich-grid-slim-media),
[chip-style="STYLE_HOME_FILTER"],
test {
    display: none !important;
}

/* Keep last home filter visible */
[chip-style="STYLE_HOME_FILTER"]:last-of-type {
    display: block !important;
}

/* Hide left menu sections except the first and the 5th */
.tp-yt-app-drawer ytd-guide-section-renderer:nth-child(1n+2):not(.tp-yt-app-drawer ytd-guide-section-renderer:nth-child(5)) {
    display: none !important;
}
.tp-yt-app-drawer #footer {
 display: none !important;
}   

/* Hide dismissible section (thumbnails + titles in feed) */
#dismissible {
    display: none !important;
}