@import 'https://fonts.googleapis.com/css2?family=Montserrat:wght@500;600;700&display=swap';

/* relevant portion */
#toggle-pseudos:checked ~ .container ul {
	--separator: ',';
	--connector: 'and';

	padding: 0;
	margin: 0;
	display: inline;
	list-style-type: none;
}

/* spread these list items as text nodes */
#toggle-pseudos:checked ~ .container li {
	display: inline;
}

#toggle-pseudos:not(:checked) ~ .container li {
	margin: 0.5em 0;
}

#toggle-pseudos:not(:checked) ~ .container li::after {
	content: none;
}

#highlight-pseudos:not(:checked) ~ .container li::after {
	color: inherit;
	font-weight: 500;
}

/* "Add a comma after each list item." */
li::after {
	content: var(--separator);
	color: #ef5016;
	transition: color ease 200ms;
	font-weight: 700;
}

/* "Hold on, add a comma along with an 'and' after the second last list item." */
li:nth-last-of-type(2)::after {
	content: var(--separator) ' ' var(--connector) ' ';
	color: #0058ff;
}

/* "Hang on, only add an 'and' after the second last list item if it's the first list item as well." */
li:first-of-type:nth-last-of-type(2)::after {
	content: ' ' var(--connector);
	color: #178717;
}

/* "Finally, add a fullstop after the last list item." */
li:last-of-type::after {
	content: '.';
	color: #0000ff;
}

/* no margin for item containers */
ul {
	margin: 0;
	list-style-type: square;
}

li::marker {
	color: var(--accent-alpha);
}

/* layout and decoration */
:root {
	--accent: #7a24f2;
	--accent-alpha: #7a24f2bb;
	--text: #000;
	--text-secondary: #000000cc;
	--container: #fff;
	--section-color: #fff;
}

::selection {
	background-color: var(--accent-alpha);
	color: var(--section-color);
}

html,
body {
	position: relative;
	inset: 0;
	width: 100%;
	min-height: 100vh;
	padding: 0;
	margin: 0;
}

html {
	color: var(--text);
	font-family:
		'Montserrat',
		-apple-system,
		BlinkMacSystemFont,
		'Segoe UI',
		'Open Sans',
		'Helvetica Neue',
		sans-serif;
	font-size: 1.28em;
	font-weight: 500;
	display: block;
	background-image: radial-gradient(circle at 50%, #fff, #eee);
	background-size: 100% 100%;
	background-attachment: fixed;
}

body {
	display: grid;
	place-items: center;
	background-color: transparent;
}

/* keep the <main> thing the <main> thing */
main {
	position: relative;
	inset: 0;
	max-width: 950px;
	min-width: 480px;
	margin: 3em 2em;
}

h1,
h2 {
	padding: 0;
	margin: 0;
	margin-top: -0.3ch; /* wanna get rid of those annoying margin */
	font-weight: 700;
	color: var(--accent);
}

h2 {
	font-size: 1em;
}

h1::before,
h2::before {
	content: '#'; /* some icing, I suppose */
	color: var(--text-secondary);
	font-size: 0.8em;
}

h2::before {
	font-size: 1em;
}

p {
	margin: 1em 0;
	line-height: 1.7;
}

/* checkboxes (disguised as toggles) */
input {
	position: relative;
	left: 0;
	top: 0;
	opacity: 0;
	margin: 0 -7px; /* a typical Windows checkbox is 14x14 in size */
}

input:checked + label {
	color: var(--accent);
}

input:checked + label::before {
	transform: translateY(30%) scaleX(1);
	transform-origin: left top;
}

input:focus-visible + label {
	outline: 2px solid var(--accent);
	outline-offset: 4px;
}

label {
	position: relative;
	margin: 0 0.6em 1em 0;
	font-weight: 600;
	cursor: pointer;
	transition: color ease 0.4s;
	color: var(--text-secondary);
	display: inline-block;
}

label::before {
	content: '';
	position: absolute;
	left: 0;
	bottom: 0;
	transform: translateY(30%) scaleX(0);
	width: 100%;
	height: 0.72em;
	background-color: currentColor;
	z-index: -1;
	transform-origin: right top;
	transition: transform ease 0.4s;
	opacity: 0.4;
}

label:hover {
	color: var(--text);
}

/* showcase the concept */
.container {
	position: relative;
	width: 100%;
	background-color: var(--container);
	border-radius: 4px;
	box-shadow: 0.8em 0.8em 0 0 var(--accent-alpha);
	border: 2px solid var(--accent);
	margin-top: 1.5em;
	padding: 0 2em;
	box-sizing: border-box;
}

.container section {
	margin: 1.8em 0;
}

.container div {
	margin-top: 0.5em;
	font-size: 0.9em;
	line-height: 1.6;
}

/* Made with Coffee, Care, and Curiosity by @ShadowShahriar */