:root {
	--focus-visible-color: rgba(0, 0, 0, 0.8);
	--focus-visible-size: 0.15vmax;

	--description-backdrop-bg: rgba(0, 0, 0, 0.5);
	--description-bg: #efefef;
	--description-color: #000;
	--description-shadow-color: rgba(17, 17, 34, 0.155);
}

#howto {
	position: fixed;
	left: 0;
	top: 0;
	width: 100%;
	height: 100%;
	background-color: rgba(0, 0, 0, 0);
	z-index: 366;
	transition: all ease 200ms;
	visibility: hidden;
	pointer-events: none;
	display: grid;
	place-items: center;
}

#howto:target {
	background-color: var(--description-backdrop-bg);
	visibility: visible;
	pointer-events: all;
}

#howto:target [data-desc] {
	transform: scale(1);
	opacity: 1;
}

#howto [data-close] {
	cursor: default;
	position: absolute;
	left: 0;
	top: 0;
	width: 100%;
	height: 100%;
	text-decoration: none;
	display: block;
}

#howto a[data-close]:focus-visible ~ article {
	outline: var(--focus-visible-size) solid var(--focus-visible-color);
}

#howto [data-desc],
[data-howto] {
	--preferred-fonts: 'Montserrat', 'Open Sans', 'Roboto';
	font-family: var(--🤔, var(--preferred-fonts), var(--fallback-fonts));
}

#howto [data-desc] {
	cursor: default;
	font-size: max(18px, 1.45vmax);
	box-shadow: 0 0.732vmax 1.464vmax 0.5856vmax var(--description-shadow-color);
	position: relative;
	background-color: var(--description-bg);
	color: var(--description-color);
	border-radius: 0.732vmax;
	padding: 1em 2em;
	margin: 2em;
	max-width: 80vmin;
	transition: cubic-bezier(0.18, 0.89, 0.32, 1.28) 300ms;
	transition-property: opacity, transform;
	transform: scale(0.75);
	opacity: 0;
}

#howto [data-desc] i {
	font-style: normal;
	font-weight: 500;
}

#howto [data-desc] kbd {
	font-family: inherit;
	background: #dadada;
	padding: calc(3 * var(--px)) calc(10 * var(--px));
	border-radius: calc(6 * var(--px));
	color: #000;
	box-shadow: 0 0 0 1px #6d6d6d;
	font-size: 80%;
}

#howto [data-desc] h1 {
	padding-bottom: 1em;
	font-weight: 700;
	color: #1c1c1c;
}

#howto [data-desc] li {
	margin: 0.6em 0;
	font-size: 80%;
	list-style-type: none;
}

#howto [data-desc] li:first-child,
#howto [data-desc] li:last-child {
	margin: 0;
}

#howto [data-desc] [data-mobile] {
	display: none;
}

@media (orientation: portrait) {
	#howto [data-desc] {
		max-width: none;
		margin-bottom: 4em;
		font-size: max(18px, 2vmax);
		align-self: baseline;
	}
}

@media screen and (hover: none) {
	#howto [data-desc] [data-desktop] {
		display: none;
	}
	#howto [data-desc] [data-mobile] {
		display: block;
	}
}

[data-howto] {
	position: fixed;
	right: calc(23 * var(--px));
	top: calc(13 * var(--px));
	z-index: 4;
	font-size: max(16.65px, 2.5vmin);
	cursor: pointer;
	font-weight: 600;
	text-decoration: none;
	color: rgb(67, 62, 62);
}

[data-howto]::before {
	content: '';
	position: absolute;
	left: 0;
	bottom: -0.1em;
	width: 100%;
	height: 0.8em;
	background-color: rgba(67, 62, 62, 0.3);
	transform: scaleX(0);
	transform-origin: 100% 50%;
	transition: transform ease 200ms;
	display: block;
}

[data-howto]:hover::before {
	transform: scaleX(1);
	transform-origin: 0 50%;
}

a {
	-webkit-tap-highlight-color: rgba(0, 0, 0, 0);
}