/* THUG macOS port field notes. Tony Hawk's Underground menu vibes: grime, red, italics, tilted highlight bars. */

:root {
	--bg: #121112;
	--bg-2: #1b191a;
	--panel: #211e1f;
	--panel-2: #2a2627;
	--line: #3a3434;
	--text: #e9e4df;
	--muted: #a59d97;
	--dim: #6f6762;
	--red: #e3412b;
	--red-deep: #a8241a;
	--orange: #ff7a2f;
	--teal: #5fb7c9;
	--yellow: #f2c84b;
	--add-bg: rgba(91, 196, 104, 0.12);
	--add-mark: #6fd27c;
	--del-bg: rgba(227, 65, 43, 0.14);
	--del-mark: #ff6b55;
	--hunk-bg: rgba(95, 183, 201, 0.08);
	--font-title: "Anton", "Oswald", Impact, sans-serif;
	--font-ui: "Oswald", "Arial Narrow", sans-serif;
	--font-body: "Barlow", system-ui, sans-serif;
	--font-mono: "JetBrains Mono", ui-monospace, Menlo, monospace;
	--font-marker: "Permanent Marker", "Comic Sans MS", cursive;
	color-scheme: dark;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
	margin: 0;
	background-color: var(--bg);
	/* grime: noise + a couple of spray-paint blooms */
	background-image:
		radial-gradient(1200px 500px at 85% -10%, rgba(227, 65, 43, 0.16), transparent 60%),
		radial-gradient(900px 600px at -10% 110%, rgba(95, 183, 201, 0.07), transparent 60%),
		url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='220' height='220'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 1  0 0 0 0 1  0 0 0 0 1  0 0 0 0.07 0'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
	background-attachment: fixed;
	color: var(--text);
	font-family: var(--font-body);
	font-size: 17px;
	line-height: 1.6;
}

a { color: var(--orange); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: #ffb07f; }

code {
	font-family: var(--font-mono);
	font-size: 0.86em;
	background: var(--panel-2);
	border: 1px solid var(--line);
	border-radius: 3px;
	padding: 0.05em 0.35em;
	color: #ffd3bd;
	overflow-wrap: anywhere;
}

/* ---------- caution tape: education purposes only ---------- */

.edu-tape {
	position: sticky;
	top: 0;
	z-index: 20;
	overflow: hidden;
	background: repeating-linear-gradient(-45deg, var(--yellow) 0 18px, #141414 18px 36px);
	border-bottom: 2px solid #000;
	box-shadow: 0 6px 18px rgba(0, 0, 0, 0.5);
}

.edu-tape span {
	display: block;
	width: max-content;
	max-width: calc(100% - 32px);
	margin: 6px auto;
	padding: 2px 14px;
	background: #141414;
	color: var(--yellow);
	font-family: var(--font-title);
	font-size: 15px;
	letter-spacing: 0.12em;
	text-transform: uppercase;
	text-align: center;
}

/* ---------- layout ---------- */

.layout {
	display: grid;
	grid-template-columns: 280px minmax(0, 1fr);
	max-width: 1280px;
	margin: 0 auto;
	min-height: 100vh;
}

/* ---------- sidebar: the THUG pause menu ---------- */

.side {
	position: sticky;
	top: 40px;
	align-self: start;
	height: calc(100vh - 40px);
	overflow-y: auto;
	padding: 28px 18px 28px 24px;
	border-right: 1px solid var(--line);
	background: linear-gradient(180deg, rgba(0, 0, 0, 0.35), rgba(0, 0, 0, 0.1));
}

.brand {
	display: flex;
	align-items: center;
	gap: 10px;
	text-decoration: none;
	color: var(--text);
	margin-bottom: 26px;
}

.brand svg { flex: none; filter: drop-shadow(0 0 8px rgba(227, 65, 43, 0.6)); }

.brand b {
	display: block;
	font-family: var(--font-title);
	font-style: italic;
	font-size: 34px;
	line-height: 0.9;
	letter-spacing: 0.02em;
	transform: skewX(-8deg);
	text-shadow: 3px 3px 0 var(--red-deep);
}

.brand small {
	display: block;
	font-family: var(--font-ui);
	font-size: 12px;
	letter-spacing: 0.25em;
	color: var(--red);
	text-transform: uppercase;
}

.nav { list-style: none; margin: 0; padding: 0; }

.nav a {
	position: relative;
	display: block;
	padding: 7px 12px;
	font-family: var(--font-ui);
	font-weight: 600;
	font-size: 17px;
	letter-spacing: 0.06em;
	text-transform: uppercase;
	color: #c9c1bb;
	text-decoration: none;
}

.nav a::before {
	content: "";
	position: absolute;
	inset: 4px -4px;
	z-index: -1;
	background: var(--red);
	transform: rotate(var(--tilt, -2deg)) skewX(-12deg) scaleX(0);
	transform-origin: left center;
	transition: transform 0.18s ease-out;
	box-shadow: 0 0 18px rgba(227, 65, 43, 0.45);
}

.nav a:hover { color: #fff; }
.nav a:hover::before { transform: rotate(var(--tilt, -2deg)) skewX(-12deg) scaleX(0.35); opacity: 0.55; }

.nav a[aria-current="page"] { color: #fff; }
.nav a[aria-current="page"]::before { transform: rotate(var(--tilt, -2deg)) skewX(-12deg) scaleX(1); opacity: 1; }

.nav li:nth-child(3n + 1) a { --tilt: -2.5deg; }
.nav li:nth-child(3n + 2) a { --tilt: 1.8deg; }
.nav li:nth-child(3n) a { --tilt: -1deg; }

.nav .num { color: var(--dim); font-size: 13px; margin-right: 8px; }
.nav a[aria-current="page"] .num { color: #ffd0c4; }

.side .legal {
	margin-top: 28px;
	font-size: 12px;
	line-height: 1.5;
	color: var(--dim);
}

/* ---------- main ---------- */

main { padding: 36px 48px 80px; min-width: 0; }

.hero {
	position: relative;
	padding: 18px 0 26px;
	margin-bottom: 26px;
	border-bottom: 2px solid var(--red);
}

.hero .kicker {
	font-family: var(--font-ui);
	text-transform: uppercase;
	letter-spacing: 0.3em;
	font-size: 13px;
	color: var(--red);
}

h1 {
	margin: 4px 0 10px;
	font-family: var(--font-title);
	font-style: italic;
	font-weight: 400;
	font-size: clamp(38px, 6vw, 66px);
	line-height: 0.95;
	text-transform: uppercase;
	letter-spacing: 0.01em;
	transform: skewX(-6deg);
	transform-origin: left;
	text-shadow: 4px 4px 0 var(--red-deep), 0 0 30px rgba(227, 65, 43, 0.25);
}

.hero .lede { max-width: 760px; font-size: 19px; color: #d8d1cb; margin: 0; }

h2 {
	margin: 54px 0 12px;
	font-family: var(--font-title);
	font-weight: 400;
	font-style: italic;
	font-size: 30px;
	text-transform: uppercase;
	letter-spacing: 0.02em;
}

h2 .step {
	display: inline-block;
	min-width: 1.6em;
	margin-right: 10px;
	padding: 0 0.25em;
	background: var(--red);
	color: #fff;
	text-align: center;
	transform: rotate(-3deg) skewX(-10deg);
	box-shadow: 3px 3px 0 #000;
}

h3 {
	margin: 28px 0 8px;
	font-family: var(--font-ui);
	font-size: 19px;
	text-transform: uppercase;
	letter-spacing: 0.08em;
	color: var(--orange);
}

p, ul, ol { max-width: 820px; }
li { margin: 4px 0; }
li::marker { color: var(--red); }

/* goal / tl;dr box */
.goal {
	position: relative;
	max-width: 820px;
	margin: 22px 0;
	padding: 16px 20px 16px 22px;
	background: linear-gradient(90deg, rgba(227, 65, 43, 0.14), rgba(227, 65, 43, 0.03));
	border-left: 5px solid var(--red);
}

.goal b {
	font-family: var(--font-ui);
	text-transform: uppercase;
	letter-spacing: 0.12em;
	color: var(--red);
	margin-right: 6px;
}

/* marker-pen asides: the fun comments */
.aside {
	max-width: 760px;
	margin: 18px 0 10px 6px;
	font-family: var(--font-marker);
	font-size: 17px;
	line-height: 1.45;
	color: var(--yellow);
	transform: rotate(-0.6deg);
}

.aside::before { content: "// "; color: var(--red); }

/* guide cards on the index */
.cards {
	display: grid;
	grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
	gap: 16px;
	margin: 24px 0;
}

.card {
	position: relative;
	display: block;
	padding: 18px 18px 16px;
	background: var(--panel);
	border: 1px solid var(--line);
	text-decoration: none;
	color: var(--text);
	transition: transform 0.15s ease, border-color 0.15s ease;
}

.card:hover { transform: rotate(-1deg) translateY(-2px); border-color: var(--red); color: var(--text); }

.card .n {
	font-family: var(--font-title);
	font-style: italic;
	font-size: 40px;
	line-height: 1;
	color: var(--red);
	opacity: 0.9;
}

.card h4 {
	margin: 6px 0 6px;
	font-family: var(--font-ui);
	font-size: 19px;
	text-transform: uppercase;
	letter-spacing: 0.05em;
}

.card p { margin: 0; color: var(--muted); font-size: 15px; }

/* ---------- code blocks ---------- */

.code {
	position: relative;
	max-width: 980px;
	margin: 14px 0 22px;
	background: #0c0b0c;
	border: 1px solid var(--line);
	border-left: 4px solid var(--red);
	box-shadow: 6px 6px 0 rgba(0, 0, 0, 0.45);
}

.code .file {
	display: flex;
	flex-wrap: wrap;
	align-items: baseline;
	gap: 4px 10px;
	padding: 6px 12px;
	background: var(--panel-2);
	border-bottom: 1px solid var(--line);
	font-family: var(--font-mono);
	font-size: 12.5px;
	color: var(--muted);
	overflow-wrap: anywhere;
}

.code .file .tag {
	font-family: var(--font-ui);
	font-size: 11px;
	letter-spacing: 0.12em;
	text-transform: uppercase;
	padding: 0 6px;
	background: var(--red);
	color: #fff;
}

.code .file .tag.excerpt { background: var(--teal); color: #071417; }
.code .file .tag.cfg { background: var(--yellow); color: #1a1500; }

.code textarea { display: block; width: 100%; min-height: 80px; background: #0c0b0c; color: var(--text); border: 0; font-family: var(--font-mono); }

/* CodeMirror, re-skinned */
.CodeMirror {
	height: auto;
	background: #0c0b0c;
	color: #e6e1dc;
	font-family: var(--font-mono);
	font-size: 13.5px;
	line-height: 1.55;
}

.CodeMirror-scroll { max-height: 640px; }
.CodeMirror-gutters { background: #0c0b0c; border-right: 1px solid #222; }
.CodeMirror-linenumber { color: #4d4643; }
.CodeMirror-cursor { display: none !important; }
.CodeMirror-selected { background: rgba(227, 65, 43, 0.25) !important; }

.diff-gutter { width: 22px; }
.diff-mark { font-weight: 700; text-align: center; width: 22px; }
.diff-mark.add { color: var(--add-mark); }
.diff-mark.del { color: var(--del-mark); }

.cm-add-line { background: var(--add-bg); }
.cm-del-line { background: var(--del-bg); }
.cm-del-line .CodeMirror-line span { opacity: 0.8; }
.cm-hunk-line { background: var(--hunk-bg); }
.cm-hunk-line .CodeMirror-line span { color: var(--teal) !important; font-style: italic; }

.cm-s-default .cm-keyword { color: #ff7a5c; }
.cm-s-default .cm-def { color: #ffd27a; }
.cm-s-default .cm-variable { color: #e6e1dc; }
.cm-s-default .cm-variable-2 { color: #8fd3e0; }
.cm-s-default .cm-variable-3, .cm-s-default .cm-type { color: #7fc8ff; }
.cm-s-default .cm-property { color: #c7b9ff; }
.cm-s-default .cm-operator { color: #e6e1dc; }
.cm-s-default .cm-number { color: #f2a65a; }
.cm-s-default .cm-string { color: #a5d97f; }
.cm-s-default .cm-string-2 { color: #a5d97f; }
.cm-s-default .cm-comment { color: #847a73; font-style: italic; }
.cm-s-default .cm-meta { color: #ff9fbf; }
.cm-s-default .cm-builtin { color: #7fc8ff; }
.cm-s-default .cm-atom { color: #f2a65a; }
.cm-s-default .cm-attribute { color: #c7b9ff; }
.cm-s-default .cm-header { color: #ff7a5c; }
.cm-s-default .cm-tag { color: #ff7a5c; }
.cm-s-default .cm-bracket { color: #9e958f; }

/* tables */
table {
	border-collapse: collapse;
	margin: 16px 0 22px;
	max-width: 900px;
	width: 100%;
	font-size: 15px;
}

th, td { text-align: left; padding: 8px 12px; border-bottom: 1px solid var(--line); vertical-align: top; }
th {
	font-family: var(--font-ui);
	text-transform: uppercase;
	letter-spacing: 0.08em;
	font-weight: 600;
	color: var(--red);
	border-bottom: 2px solid var(--red);
}
tr:hover td { background: rgba(255, 255, 255, 0.02); }
.table-wrap { overflow-x: auto; }

figure { margin: 18px 0 26px; max-width: 520px; }
figure img { width: 100%; border: 1px solid var(--line); background: #282828; image-rendering: auto; box-shadow: 6px 6px 0 rgba(0, 0, 0, 0.45); }
figcaption { font-size: 14px; color: var(--muted); margin-top: 8px; }

/* prev / next */
.pager {
	display: flex;
	justify-content: space-between;
	gap: 16px;
	margin-top: 64px;
	padding-top: 20px;
	border-top: 1px dashed var(--line);
}

.pager a {
	font-family: var(--font-ui);
	text-transform: uppercase;
	letter-spacing: 0.06em;
	text-decoration: none;
	font-size: 17px;
}

.pager a span { display: block; font-size: 12px; color: var(--dim); letter-spacing: 0.2em; }
.pager .next { text-align: right; margin-left: auto; }

footer.legal-foot {
	margin-top: 40px;
	font-size: 13px;
	color: var(--dim);
	max-width: 820px;
}

/* ---------- small screens: the menu goes on top ---------- */

@media (max-width: 900px) {
	.layout { grid-template-columns: minmax(0, 1fr); }
	.side {
		position: static;
		height: auto;
		padding: 18px 16px 10px;
		border-right: 0;
		border-bottom: 1px solid var(--line);
	}
	.brand { margin-bottom: 12px; }
	.nav { display: flex; flex-wrap: nowrap; overflow-x: auto; gap: 2px; padding-bottom: 6px; }
	.nav a { white-space: nowrap; font-size: 15px; }
	.nav .num { display: none; }
	.side .legal { display: none; }
	main { padding: 24px 16px 60px; }
	h2 { font-size: 25px; }
	.edu-tape span { font-size: 12px; }
}

@media (prefers-reduced-motion: reduce) {
	* { transition: none !important; scroll-behavior: auto !important; }
}

/* paths and hashes in tables stay on one line */
td code { white-space: nowrap; overflow-wrap: normal; }

/* ---------- screenshots ---------- */

figure.shot { max-width: 760px; margin: 18px 0 26px; }
figure.shot.wide { max-width: 980px; }
figure.shot a { display: block; line-height: 0; }
figure.shot img {
	width: 100%;
	height: auto;
	border: 1px solid var(--line);
	border-bottom: 4px solid var(--red);
	box-shadow: 6px 6px 0 rgba(0, 0, 0, 0.5);
	transition: transform 0.15s ease;
}
figure.shot a:hover img { transform: rotate(-0.6deg) scale(1.01); }

.gallery {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
	gap: 18px;
	max-width: 980px;
	margin: 18px 0 26px;
}
.gallery figure.shot { margin: 0; }

/* ---------- 404: the bail screen ---------- */

.bail {
	position: relative;
	max-width: 760px;
	margin: 10px 0 30px;
	padding: 26px 28px 22px;
	background: linear-gradient(100deg, rgba(0, 0, 0, 0.55), rgba(168, 36, 26, 0.25));
	border: 1px solid var(--line);
	border-left: 6px solid var(--red);
	box-shadow: 6px 6px 0 rgba(0, 0, 0, 0.5);
	overflow: hidden;
}

.bail-score {
	font-family: var(--font-title);
	font-size: 22px;
	letter-spacing: 0.08em;
	color: var(--orange);
	transform: skewX(-8deg);
}
.bail-score b { color: #fff; font-weight: 400; }

.bail-code {
	font-family: var(--font-title);
	font-style: italic;
	font-size: clamp(110px, 22vw, 210px);
	line-height: 0.9;
	color: var(--red);
	transform: rotate(-4deg) skewX(-8deg);
	text-shadow: 6px 6px 0 #000, 0 0 40px rgba(227, 65, 43, 0.35);
	margin: 6px 0 22px;
	animation: bail-wobble 2.4s ease-in-out infinite;
}

.bail-trick {
	font-family: var(--font-ui);
	font-size: 20px;
	letter-spacing: 0.05em;
	text-transform: uppercase;
	color: var(--text);
}
.bail-trick span {
	display: inline-block;
	padding: 0 8px;
	background: var(--red);
	color: #fff;
	transform: rotate(-3deg);
	box-shadow: 3px 3px 0 #000;
}

@keyframes bail-wobble {
	0%, 100% { transform: rotate(-4deg) skewX(-8deg); }
	50% { transform: rotate(-1.5deg) skewX(-8deg) translateY(-3px); }
}

@media (prefers-reduced-motion: reduce) {
	.bail-code { animation: none; }
}