Duolingo: Remove Distractions by Freeplay

/* ==UserStyle==
@name           Duolingo: Remove Distractions
@version        1.0.0
@description    Removes clutter and adverts to focus more on lessons

@namespace      Freeplay
@author         Freeplay (https://freeplay.floof.company/)
@homepageURL    https://git.gay/freeplay/UserStyles
@supportURL     https://git.gay/freeplay/UserStyles/issues
==/UserStyle== */

@-moz-document domain("www.duolingo.com") {
    /* left sidebar */
	[style="z-index: 210;"] {
		border-right: none;
	}
	
    [href="/leaderboard"],
    [href="/quests"],
    [href="/shop"],
	[href="/practice-hub"],
    [href="/learn"] + div > div:first-child, /* sidebar in guidebook */
    [style*="--sidebar-offset"] /* sidebar */
    {
        display: none
    }
    
	button:has([src="https://d35aaqx5ub95lt.cloudfront.net/images/hearts/4f3842c690acf9bf0d4b06e6ab2fffcf.svg"]) /* Unlimited Hearts option */
	{
		display: none;
	}
	
	/* make no buttons the only clickable thing */
	[data-test="notification-drawer-no-thanks-button"],
	[src="https://d35aaqx5ub95lt.cloudfront.net/images/eab997f62389175bd43e8ea688bbf09d.svg"],
	[data-test="practice-hub-ad-no-thanks-button"],
	[data-test="plus-no-thanks"] {
		position: fixed;
		inset: 0;
		height: 100%;
		background: brown;
		color: white !important;
		font-size: 24px !important;
		z-index: 2;
		border-radius: 0 !important;
		border: none !important;
		box-shadow: none !important;
		margin: 0 !important;
	}
	
	/* Make end of session buttons the only thing visible */
	div:has([href="https://support.duolingo.com/hc/en-us/articles/115005407166-How-can-I-disable-my-ad-blocker-to-support-Duolingo-"]) + div > [id="session/PlayerFooter"] {
		position: fixed;
		inset: 0;
		height: 100%;
		max-height: 100%;
		display: flex;
		align-items: center;
	}
    
}