@import url("//fonts.googleapis.com/css2?family=Jost:ital,wght@0,100..900;1,100..900&display=swap");
@import url("//cdnjs.cloudflare.com/ajax/libs/highlight.js/11.7.0/styles/github-dark.min.css");

/* Variables */
:root {
	/* Foregrounds */
	--frgr-regular: white;
	--frgr-header: lime;
	--frgr-link: chartreuse;
	--frgr-link-used: gray;
	
	/* Backgrounds */
	--bkgr-page: url("/assets/images/layout/background.png") fixed top, linear-gradient(0, green, black) fixed;
	--bkgr-main: #222;
	--bkgr-block: #FFF1;
	--bkgr-table-even: #FFF1;
	--bkgr-table-odd: #FFF2;
	
	/* Fonts */
	--font-regular: "Jost", sans-serif;
	--font-cursive: "Nanum Brush Script", cursive;
	--font-monospace: "Lucida Console", monospace;
	
	/* Font sizes */
	--size-regular: large;
	--size-header: larger;
	--size-code: medium;
	
	/* Shadows */
	--shad-main: 10px 10px 10px #0004;
	--shad-block: 5px 5px 10px #0005;
	--shad-tile: 2px 2px 5px #0006;
	--shad-hilight: 0 0 0 3px var(--frgr-link) inset;
}

/* Page layout */
* {
	box-sizing: border-box;
	box-decoration-break: clone;
	-webkit-box-decoration-break: clone;
}

html, body {
  height: 100%;
  margin: 0;
	color: var(--frgr-regular);
	background: var(--bkgr-page);
	font-family: var(--font-regular);
	font-size: var(--size-regular);
}

header, main, footer {
	width: 60%;
	min-width: 750px;
	margin: 20px auto;
	background: var(--bkgr-main);
	border-radius: 20px;
	box-shadow: var(--shad-main);
	overflow: hidden;
}

header {
  position: relative;
	background: linear-gradient(#0006, transparent), var(--bkgr-main);
	background-size: auto 100%;
}

header::before {
  content: "";
  position: absolute;
  inset: 0 0 0 0;
  background: url("/assets/images/layout/header.png") right no-repeat;
  background-size: auto 100%;
  image-rendering: pixelated;
  pointer-events: none;
}

main {
	padding: 10px;
}

footer {
  margin: auto auto 0;
  padding: 10px 20px;
  border-radius: 20px 20px 0 0;
}

@media (max-width: 800px) {
	header, main, footer {
		width: 100%;
		min-width: unset;
		margin: 0;
		border-radius: 0;
		box-sizing: border-box;
	}
}

/* LiveInternet counter */
a:has(img#counter) {
  float: right;
  transition: box-shadow linear 0.5s;
}

a img#counter {
  display: block;
  mix-blend-mode: screen;
}

a:has(img#counter):hover {
	background: var(--frgr-link);
	box-shadow: var(--shad-hilight);
	transition: none;
}

a:hover img#counter {
  filter: invert(1);
  mix-blend-mode: multiply;
}

/* Page scrollbar */
body::-webkit-scrollbar {
	width: 10px;
	background: linear-gradient(0, green, black);
}

body::-webkit-scrollbar-thumb {
	background: lime;
	border-radius: 5px;
}

/* Header */
h1, h2, h3, h4, h5, h6 {
	margin-top: 0;
	margin-bottom: 10px;
	color: var(--frgr-header);
}

h1 {
	border-bottom: 2px dashed var(--frgr-header);
}

/* Paragraph */
p {
	margin: 0 0 10px;
}

/* Highlight */
mark {
  padding: 0 5px;
  color: black;
  background: var(--frgr-header);
  border-radius: 5px;
}

/* Link */
a {
	color: var(--frgr-link);
	text-decoration: none;
	cursor: pointer;
}

a:hover {
	text-decoration: underline;
}

a:active {
	color: black;
	background: var(--frgr-link);
	border-radius: 5px;
	text-decoration: none;
}

header a, footer a {
  color: var(--frgr-regular);
}

header a:active, footer a:active {
  color: black;
  background: var(--frgr-regular);
}

/* List */
ul, ol {
  padding: 0 0 0 20px;
}

ul + ul, ul + ol, ol + ul, ol + ol {
  margin-top: -20px;
}

ul li, ol li{
  margin-left: 10px;
  list-style-position: outside;
}

ul li::marker, ol li::marker {
  font-family: var(--font-monospace);
}

ul[type="check"] li::marker {
  content: "v";
}

ul[type="cross"] li::marker {
  content: "x";
}

ul[type="arrow"], ul[type="concat"] {
  padding-left: 10px;
  text-indent: 10px;
}

ul[type="arrow"] li::marker {
  content: "->";
}

ul[type="concat"] li::marker {
  content: "+=";
}

ul[type="concat"] li::first-child::marker {
  content: " =";
}

/* Block */
.block {
	width: 100%;
	margin: 15px 0;
	background: var(--bkgr-block);
	border-radius: 10px;
	box-shadow: var(--shad-block);
	overflow: hidden;
}

div.block {
	padding: 15px;
}

.block:first-child {
	margin-top: 0;
}

.block:last-child {
	margin-bottom: 0;
}

/* Tile */
.tile-left {
	width: 40%;
	margin: 0 20px 0 0;
	float: left;
	box-shadow: var(--shad-tile);
}

.tile-right {
	width: 40%;
	margin: 0 0 0 20px;
	float: right;
	box-shadow: var(--shad-tile);
}

/* Image */
main > img {
	width: 50%;
}

img.block {
	width: 50%;
	margin: 10px auto;
	padding: 0;
}

/* Table */
table {
	border-collapse: collapse;
}

th, td {
	padding: 5px 10px;
}

th {
	color: var(--frgr-header);
	text-align: left;
}

tr:nth-child(even) {
	background: var(--bkgr-table-even);
}

tr:nth-child(odd) {
	background: var(--bkgr-table-odd);
}

/* Toolbar */
.toolbar {
	display: flex;
	padding: 0 20px;
	background: var(--bkgr-block);
}

.toolbar > a {
	padding: 10px;
  border-radius: 5px;
	font-weight: bold;
	transition: box-shadow linear 0.5s;
}

.toolbar > a:hover {
	color: black;
	background: var(--frgr-link);
	box-shadow: var(--shad-hilight);
	text-decoration: none;
	transition: none;
}

/* Blink */
@keyframes blink {
	0% {
		opacity: 100%;
	}
	50% {
		opacity: 0%;
	}
}

blink {
	animation: blink 1s step-end infinite;
}

/* Code */
pre {
	margin: 0;
	padding: 0;
}

code, pre code.hljs {
	margin: 0;
	padding: 10px;
	font-family: var(--font-monospace);
	font-size: var(--size-code);
	font-weight: normal;
}

table.hljs-ln tr {
	background: revert;
}

.hljs-ln td.hljs-ln-numbers {
	padding-right: 10px;
	text-align: right;
}