/* mwg project site: shared styles. No build step, opened straight from disk. */

:root {
	--ink: #0b0e14;
	--panel: #141a24;
	--panel-raised: #1a2130;
	--line: rgba(238, 241, 246, 0.09);
	--line-strong: rgba(238, 241, 246, 0.18);
	--paper: #eef1f6;
	--muted: #8b96a8;
	--multiply: #5b6ee1;
	--multiply-dim: #333e73;
	--add: #ffb347;
	--add-dim: #6b4f27;
	--moss: #8fae64;

	--font-display: 'JetBrains Mono', 'Cascadia Code', ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
	--font-body: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;

	--max: 76rem;
}

* {
	box-sizing: border-box;
}

html {
	color-scheme: dark;
}

body {
	margin: 0;
	background: var(--ink);
	background-image:
		linear-gradient(var(--line) 1px, transparent 1px),
		linear-gradient(90deg, var(--line) 1px, transparent 1px);
	background-size: 32px 32px;
	background-position: center top;
	color: var(--paper);
	font-family: var(--font-body);
	font-size: 16px;
	line-height: 1.55;
	-webkit-font-smoothing: antialiased;
}

@media (prefers-reduced-motion: reduce) {
	* {
		animation-duration: 0.001ms !important;
		animation-iteration-count: 1 !important;
		transition-duration: 0.001ms !important;
		scroll-behavior: auto !important;
	}
}

a {
	color: inherit;
}

img,
canvas {
	max-width: 100%;
}

:focus-visible {
	outline: 2px solid var(--add);
	outline-offset: 2px;
}

.wrap {
	max-width: var(--max);
	margin: 0 auto;
	padding: 0 1.5rem;
}

/* -------------------------------------------------------------- header */

.site-header {
	position: sticky;
	top: 0;
	z-index: 10;
	background: rgba(11, 14, 20, 0.86);
	backdrop-filter: blur(6px);
	border-bottom: 1px solid var(--line);
}

.site-header .wrap {
	display: flex;
	align-items: center;
	justify-content: space-between;
	height: 3.5rem;
}

.brand {
	display: flex;
	align-items: center;
}

.brand img {
	height: 1.75rem;
	width: auto;
	display: block;
}

.site-nav {
	display: flex;
	gap: 1.5rem;
	font-family: var(--font-display);
	font-size: 0.82rem;
	letter-spacing: 0.03em;
}

.site-nav a {
	text-decoration: none;
	color: var(--muted);
	padding: 0.3rem 0;
	border-bottom: 1px solid transparent;
}

.site-nav a:hover,
.site-nav a[aria-current='page'] {
	color: var(--paper);
	border-bottom-color: var(--add);
}

/* -------------------------------------------------------------- type */

.eyebrow {
	font-family: var(--font-display);
	font-size: 0.78rem;
	letter-spacing: 0.12em;
	text-transform: uppercase;
	color: var(--add);
	margin: 0 0 0.75rem;
}

h1,
h2,
h3 {
	font-family: var(--font-display);
	font-weight: 700;
	line-height: 1.15;
	margin: 0 0 1rem;
	letter-spacing: -0.01em;
}

h1 {
	font-size: clamp(2.1rem, 5vw, 3.4rem);
}

h2 {
	font-size: clamp(1.5rem, 3vw, 2rem);
}

h3 {
	font-size: 1.05rem;
	color: var(--paper);
}

p {
	color: var(--muted);
	max-width: 60ch;
}

.lede {
	font-size: 1.15rem;
	color: var(--paper);
}

code,
pre {
	font-family: var(--font-display);
	font-size: 0.88em;
}

pre {
	background: var(--panel);
	border: 1px solid var(--line);
	padding: 1rem 1.1rem;
	overflow-x: auto;
	border-radius: 2px;
}

code {
	background: var(--panel);
	padding: 0.1em 0.4em;
	border-radius: 2px;
}

pre code {
	background: none;
	padding: 0;
}

/* -------------------------------------------------------------- sections */

section {
	padding: 4.5rem 0;
	border-bottom: 1px solid var(--line);
}

section:last-of-type {
	border-bottom: none;
}

.hero {
	padding-top: 4rem;
}

.hero-grid {
	display: grid;
	grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
	gap: 3rem;
	align-items: center;
}

@media (max-width: 860px) {
	.hero-grid {
		grid-template-columns: 1fr;
	}
}

.cta-row {
	display: flex;
	flex-wrap: wrap;
	gap: 0.75rem;
	margin-top: 1.75rem;
}

.btn {
	font-family: var(--font-display);
	font-size: 0.85rem;
	letter-spacing: 0.02em;
	text-decoration: none;
	padding: 0.7rem 1.1rem;
	border: 1px solid var(--line-strong);
	border-radius: 2px;
	color: var(--paper);
	display: inline-flex;
	align-items: center;
	gap: 0.5rem;
}

.btn.primary {
	background: var(--paper);
	color: var(--ink);
	border-color: var(--paper);
}

.btn.primary:hover {
	background: var(--add);
	border-color: var(--add);
}

.btn:not(.primary):hover {
	border-color: var(--add);
	color: var(--add);
}

/* -------------------------------------------------------------- panel / window chrome */

.panel {
	background: var(--panel);
	border: 1px solid var(--line-strong);
	border-radius: 3px;
	position: relative;
}

.panel::before {
	content: '';
	position: absolute;
	inset: 0;
	pointer-events: none;
	border: 1px solid transparent;
	box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.03);
}

.panel-title {
	font-family: var(--font-display);
	font-size: 0.75rem;
	letter-spacing: 0.08em;
	text-transform: uppercase;
	color: var(--muted);
	padding: 0.6rem 0.9rem;
	border-bottom: 1px solid var(--line);
	display: flex;
	justify-content: space-between;
}

/* -------------------------------------------------------------- demo */

.demo-panel {
	padding: 1.25rem;
	display: grid;
	gap: 1.25rem;
}

.demo-canvases {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 1rem;
}

.demo-canvases figure {
	margin: 0;
	background: var(--panel-raised);
	border: 1px solid var(--line);
	padding: 0.75rem;
	text-align: center;
}

.demo-canvases canvas {
	image-rendering: pixelated;
	width: 100%;
	height: auto;
	aspect-ratio: 1;
	background: #05070a;
}

.demo-canvases figcaption {
	font-family: var(--font-display);
	font-size: 0.72rem;
	letter-spacing: 0.04em;
	color: var(--muted);
	margin-top: 0.6rem;
}

.demo-canvases figcaption strong {
	color: var(--paper);
}

.demo-controls {
	display: grid;
	gap: 0.9rem;
}

.control-row {
	display: grid;
	grid-template-columns: 6rem 1fr 3rem;
	align-items: center;
	gap: 0.75rem;
	font-family: var(--font-display);
	font-size: 0.78rem;
}

.control-row.multiply {
	color: var(--multiply);
}

.control-row.add {
	color: var(--add);
}

input[type='range'] {
	width: 100%;
	accent-color: currentColor;
}

.presets {
	display: flex;
	flex-wrap: wrap;
	gap: 0.5rem;
	margin-top: 0.25rem;
}

.preset-btn {
	font-family: var(--font-display);
	font-size: 0.75rem;
	background: var(--panel-raised);
	border: 1px solid var(--line-strong);
	color: var(--paper);
	padding: 0.4rem 0.75rem;
	border-radius: 2px;
	cursor: pointer;
}

.preset-btn:hover {
	border-color: var(--add);
	color: var(--add);
}

/* -------------------------------------------------------------- tables */

table {
	width: 100%;
	border-collapse: collapse;
	font-size: 0.92rem;
}

th,
td {
	text-align: left;
	padding: 0.7rem 0.9rem;
	border-bottom: 1px solid var(--line);
	vertical-align: top;
}

th {
	font-family: var(--font-display);
	font-size: 0.75rem;
	letter-spacing: 0.06em;
	text-transform: uppercase;
	color: var(--muted);
	font-weight: 400;
}

td:first-child,
th:first-child {
	color: var(--paper);
	font-family: var(--font-display);
	white-space: nowrap;
}

/* -------------------------------------------------------------- footer */

.site-footer {
	padding: 3rem 0 4rem;
}

.site-footer .wrap {
	display: flex;
	flex-wrap: wrap;
	gap: 1.5rem 3rem;
	justify-content: space-between;
}

.site-footer p {
	font-size: 0.85rem;
	max-width: 42ch;
}

.footer-links {
	display: flex;
	gap: 2rem;
	flex-wrap: wrap;
}

.footer-links div {
	font-family: var(--font-display);
	font-size: 0.8rem;
}

.footer-links a {
	display: block;
	color: var(--muted);
	text-decoration: none;
	padding: 0.15rem 0;
}

.footer-links a:hover {
	color: var(--add);
}

/* -------------------------------------------------------------- documentation reference */

.ref-layout {
	display: grid;
	grid-template-columns: 14rem minmax(0, 1fr);
	gap: 2.5rem;
	align-items: start;
}

.ref-toc {
	position: sticky;
	top: 4.5rem;
	font-family: var(--font-display);
	font-size: 0.78rem;
	letter-spacing: 0.02em;
	max-height: calc(100vh - 5.5rem);
	overflow: auto;
	padding-bottom: 1rem;
}

.ref-toc-title {
	margin: 0 0 0.75rem;
	color: var(--muted);
	text-transform: uppercase;
	letter-spacing: 0.1em;
	font-size: 0.72rem;
}

.ref-toc ul {
	list-style: none;
	margin: 0;
	padding: 0;
}

.ref-toc li {
	margin: 0;
}

.ref-toc a {
	display: block;
	color: var(--muted);
	text-decoration: none;
	padding: 0.28rem 0;
	border-left: 1px solid transparent;
	padding-left: 0.75rem;
}

.ref-toc a:hover,
.ref-toc a:focus-visible {
	color: var(--add);
}

.ref-toc-sub a {
	padding-left: 1.4rem;
	font-size: 0.74rem;
}

.ref-toc-api {
	margin: 1.25rem 0 0;
	padding-top: 0.85rem;
	border-top: 1px solid var(--line);
}

.ref-toc-api a {
	color: var(--add);
	text-decoration: none;
	padding-left: 0.75rem;
}

.ref-toc-api a:hover {
	border-bottom: 1px solid var(--add);
}

.ref-body {
	min-width: 0;
	padding-bottom: 2rem;
}

.ref-body > :first-child {
	margin-top: 0;
}

.ref-body h2 {
	margin-top: 2.75rem;
	padding-top: 0.5rem;
	scroll-margin-top: 4.5rem;
}

.ref-body h3 {
	margin-top: 2rem;
	scroll-margin-top: 4.5rem;
	color: var(--add);
}

.ref-body p,
.ref-body li {
	color: var(--muted);
	max-width: 68ch;
}

.ref-body li {
	margin: 0.45rem 0;
}

.ref-body strong {
	color: var(--paper);
	font-weight: 600;
}

.ref-body a {
	color: var(--add);
}

.ref-body table {
	margin: 1.25rem 0;
	display: block;
	overflow-x: auto;
}

.ref-body ul {
	padding-left: 1.15rem;
}

@media (max-width: 860px) {
	.ref-layout {
		grid-template-columns: 1fr;
	}

	.ref-toc {
		position: static;
		max-height: none;
		border: 1px solid var(--line-strong);
		background: var(--panel);
		padding: 1rem 1rem 0.75rem;
		border-radius: 3px;
	}
}

/* -------------------------------------------------------------- stub pages */

.stub {
	min-height: 60vh;
	display: flex;
	align-items: center;
}

.stub-panel {
	padding: 2.5rem;
	max-width: 40rem;
}

.stub-status {
	display: inline-block;
	font-family: var(--font-display);
	font-size: 0.72rem;
	letter-spacing: 0.08em;
	text-transform: uppercase;
	color: var(--add);
	border: 1px solid var(--add-dim);
	background: rgba(255, 179, 71, 0.08);
	padding: 0.25rem 0.6rem;
	border-radius: 2px;
	margin-bottom: 1.25rem;
}