:root,
svg {
  --color-red: #fd5548;
  --color-green: #73e3bb;
  --color-blue: #555;
  --color-lightblue: #adf7f6;
  --color-orange: #ffa500;
  --color-bgblue: #141d22;


  
  /* --color-red: #fd5548; */
  /* --color-green: #73e3bb; */
  /* --color-blue: #469ecc; */
  /* --color-lightblue: #adf7f6; */
  /* --color-orange: #ffa500; */
  /* --color-bgblue: #141d22; */

  
  --text-color: #fff;
  --text-color-alt: #aaa;
  --text-color-p: #ccc;
  --background-color: #000;
  --background-color-alt: #111;

  --font-family: "JetBrains Mono", monospace;
  --line-height: 1.2rem;
  --border-thickness: 1px;

  --font-weight-normal: 500;
  --font-weight-medium: 600;
  --font-weight-bold: 800;

  fill: var(--text-color);
  font-family: var(--font-family);
  font-optical-sizing: auto;
  font-weight: var(--font-weight-normal);
  font-style: normal;
  font-variant-numeric: tabular-nums lining-nums;
  font-size: 16px;
  width: 100%;
}


time {
  color: var(--color-lightblue);
}

.header {
top: -2px;
}

.topimg {
height: 200px;
width: 100%;
border: 1px solid var(--color-blue);
background-position: center center;
margin: 0;
}



a:has(> img) {
  position: relative;
  display: inline-block; /* Establish stacking context for ::before */
}

a:has(> img)::before {
  content: "OPEN";
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  color: white;
  background: black;
  text-align: center;
  font-size: 2rem;
  width: 33%;
  padding: calc((var(--line-height) / 2))
    calc(1ch - var(--border-thickness) / 2)
    calc((var(--line-height) / 2) - (var(--border-thickness)));
  border: var(--border-thickness) solid var(--text-color);
  z-index: 1; /* Ensure pseudo-element is above the image */
  opacity: 0;
  pointer-events: none;
}
a:hover:has(> img)::before {
  opacity: 1;
}

a:hover {
  color: var(--color-orange) !important;
}



@font-face {
  font-family: "JetBrains Mono";
  font-style: normal;
  font-weight: 500;
  src:
    local("JetBrains Mono"),
    url("../fonts/jetbrains/JetBrainsMonoMedium.woff") format("woff");
}
@font-face {
  font-family: "JetBrains Mono";
  font-style: italic;
  font-weight: 500;
  src:
    local("JetBrains Mono"),
    url("../fonts/jetbrains/JetBrainsMonoMediumItalic.woff") format("woff");
}
@font-face {
  font-family: "JetBrains Mono";
  font-style: normal;
  font-weight: 600;
  src:
    local("JetBrains Mono"),
    url("../fonts/jetbrains/JetBrainsMonoSemiBold.woff") format("woff");
}
@font-face {
  font-family: "JetBrains Mono";
  font-style: italic;
  font-weight: 600;
  src:
    local("JetBrains Mono"),
    url("../fonts/jetbrains/JetBrainsMonoSemiBoldItalic.woff") format("woff");
}
@font-face {
  font-family: "JetBrains Mono";
  font-style: normal;
  font-weight: 800;
  src:
    local("JetBrains Mono"),
    url("../fonts/jetbrains/JetBrainsMonoExtraBold.woff") format("woff");
}
@font-face {
  font-family: "JetBrains Mono";
  font-style: italic;
  font-weight: 800;
  src:
    local("JetBrains Mono"),
    url("../fonts/jetbrains/JetBrainsMonoExtraBoldItalic.woff") format("woff");
}

/* @media (prefers-color-scheme: light) { */
/*   :root { */
/*     --text-color: #000; */
/*     --text-color-alt: #666; */
/*     --text-color-p: #333; */
/*     --background-color: #fff; */
/*     --background-color-alt: #eee; */
/*   } */

/*   svg { */
/*     filter: invert(1); */
/*   } */

/*   img[src*="schematic-"] { */
/*     filter: invert(100%); */
/*   } */
/* } */

* {
  box-sizing: border-box;
}

* + * {
  margin-top: var(--line-height);
z}

html {
  display: flex;
  width: 100%;
  margin: 0;
  padding: 0;
  flex-direction: column;
  align-items: center;
  background: var(--background-color);
  color: var(--text-color);
}

body {
  position: relative;
  width: 100%;
  margin: 0;
  padding: var(--line-height) 2ch;
  max-width: calc(min(100ch, round(down, 100%, 1ch)));
  line-height: var(--line-height);
  overflow-x: hidden;
}

@media screen and (max-width: 480px) {
  :root,
  svg {
    font-size: 14px;
  }

  svg text {
    margin: var(--line-height) 1ch;
  }

  body {
    padding: var(--line-height) 1ch;
  }
}

h1,
h2,
h3,
h4,
h5,
h6 {
  color: var(--color-green);
  font-weight: var(--font-weight-bold);
  margin: calc(var(--line-height) * 2) 0 var(--line-height);
  line-height: var(--line-height);
}

h1 {
  font-size: 2rem;
  line-height: calc(2 * var(--line-height));
  margin-bottom: calc(var(--line-height) * 2);
  text-transform: uppercase;
}

h2 {
  color: var(--color-lightblue);
  /* color: var(--background-color); */
  /* background: var(--text-color); */
  font-size: 1rem;
  text-transform: uppercase;
}

hr {
  position: relative;
  display: block;
  height: var(--line-height);
  margin: calc(var(--line-height) * 1.5) 0;
  border: none;
  color: var(--text-color);
}

hr:after {
  display: block;
  content: "";
  position: absolute;
  top: calc(var(--line-height) / 2 - var(--border-thickness));
  left: 0;
  width: 100%;
  border-top: calc(var(--border-thickness) * 3) double var(--text-color);
  height: 0;
}

a {
  text-decoration-thickness: var(--border-thickness);
}

a:link,
a:visited {
  color: var(--text-color);
}

p {
  margin-bottom: var(--line-height);
}

strong {
  font-weight: var(--font-weight-bold);
}
em {
  font-style: italic;
}

sub {
  position: relative;
  display: inline-block;
  margin: 0;
  vertical-align: sub;
  line-height: 0;
  width: calc(1ch / 0.75);
  font-size: 0.75rem;
}

.bg {
  border: var(--border-thickness) solid var(--text-color);
}

.banner-cell {
  background-size: 100% auto;
  background-position: center;
  background-repeat: no-repeat;
  height: 20ch;
}

table {
  position: relative;
  top: calc(var(--line-height) / 2);
  width: calc(round(down, 100%, 1ch));
  border-collapse: collapse;
  margin: 0 0 calc(var(--line-height) * 2);
}

th,
td {
  border: var(--border-thickness) solid var(--color-blue);
  background-color: var(--background-color-alt);
  padding: calc((var(--line-height) / 2))
    calc(1ch - var(--border-thickness) / 2)
    calc((var(--line-height) / 2) - (var(--border-thickness)));
  line-height: var(--line-height);
  vertical-align: top;
  text-align: left;
}
table tbody tr:first-child > * {
  padding-top: calc((var(--line-height) / 2) - var(--border-thickness));
}

th {
  font-weight: 700;
}
.width-min {
  width: 0%;
}
.width-auto {
  width: 100%;
}

.header {
  margin-bottom: calc(var(--line-height) * 2);
}

tr.header {
  color: var(--color-green);
}

.header h1 {
  margin: 0;
}

.header tr td:last-child {
  text-align: right;
}

p {
  word-break: break-word;
  word-wrap: break-word;
  hyphens: auto;
}

img,
video {
  display: block;
  width: 100%;
  object-fit: contain;
  overflow: hidden;
}
img {
  font-style: italic;
  color: var(--text-color-alt);
}

details {
  /* background-color: var(--color-bgblue); */
  /* border: var(--border-thickness) dashed var(--color-blue); */
  padding: calc(var(--line-height) - var(--border-thickness)) 1ch;
  margin-bottom: var(--line-height);
}

summary {
  font-weight: var(--font-weight-medium);
  cursor: pointer;
  color: var(--color-green);
}
details[open] summary {
  margin-bottom: var(--line-height);
}

details ::marker {
  display: inline-block;
  content: "▶";
  margin: 0;
}
details[open] ::marker {
  content: "▼";
}

details :last-child {
  margin-bottom: 0;
}

pre {
  white-space: pre;
  overflow-x: auto;
  margin: var(--line-height) 0;
  overflow-y: hidden;
}
figure pre {
  margin: 0;
}

pre,
code {
  font-family: var(--font-family);
}

figure {
  margin: calc(var(--line-height) * 2) 3ch;
  overflow-x: auto;
  overflow-y: hidden;
}

figcaption {
  display: block;
  font-style: italic;
  margin-top: var(--line-height);
}

ul,
ol {
  padding: 0;
  margin: 0 0 var(--line-height);
}

ul {
  list-style-type: square;
  padding: 0 0 0 2ch;
}
ol {
  list-style-type: none;
  counter-reset: item;
  padding: 0;
}
ol ul,
ol ol,
ul ol,
ul ul {
  padding: 0 0 0 3ch;
  margin: 0;
}
ol li:before {
  content: counters(item, ".") ". ";
  counter-increment: item;
  font-weight: var(--font-weight-medium);
}

li {
  margin: 0;
  padding: 0;
}

li::marker {
  line-height: 0;
}

::-webkit-scrollbar {
  height: var(--line-height);
}

input,
button,
textarea {
  border: var(--border-thickness) solid var(--text-color);
  padding: calc(var(--line-height) / 2 - var(--border-thickness))
    calc(1ch - var(--border-thickness));
  margin: 0;
  font: inherit;
  font-weight: inherit;
  height: calc(var(--line-height) * 2);
  width: auto;
  overflow: visible;
  background: var(--background-color);
  color: var(--text-color);
  line-height: normal;
  -webkit-font-smoothing: inherit;
  -moz-osx-font-smoothing: inherit;
  -webkit-appearance: none;
}

input[type="checkbox"] {
  display: inline-grid;
  place-content: center;
  vertical-align: top;
  width: 2ch;
  height: var(--line-height);
  cursor: pointer;
}
input[type="checkbox"]:checked:before {
  content: "";
  width: 1ch;
  height: calc(var(--line-height) / 2);
  background: var(--text-color);
}

button:focus,
input:focus {
  --border-thickness: 3px;
  outline: none;
}

input {
  width: calc(round(down, 100%, 1ch));
}
::placeholder {
  color: var(--text-color-alt);
  opacity: 1;
}
::-ms-input-placeholder {
  color: var(--text-color-alt);
}
button::-moz-focus-inner {
  padding: 0;
  border: 0;
}

button {
  text-transform: uppercase;
  font-weight: var(--font-weight-medium);
  cursor: pointer;
}

button:hover {
  background: var(--background-color-alt);
}
button:active {
  transform: translate(2px, 2px);
}

label {
  display: block;
  width: calc(round(down, 100%, 1ch));
  height: auto;
  line-height: var(--line-height);
  font-weight: var(--font-weight-medium);
  margin: 0;
}

label input {
  width: 100%;
}

.tree,
.tree ul {
  position: relative;
  padding-left: 0;
  list-style-type: none;
  line-height: var(--line-height);
}
.tree ul {
  margin: 0;
}
.tree ul li {
  position: relative;
  padding-left: 1.5ch;
  margin-left: 1.5ch;
  border-left: var(--border-thickness) solid var(--text-color);
}
.tree ul li:before {
  position: absolute;
  display: block;
  top: calc(var(--line-height) / 2);
  left: 0;
  content: "";
  width: 1ch;
  border-bottom: var(--border-thickness) solid var(--text-color);
}
.tree ul li:last-child {
  border-left: none;
}
.tree ul li:last-child:after {
  position: absolute;
  display: block;
  top: 0;
  left: 0;
  content: "";
  height: calc(var(--line-height) / 2);
  border-left: var(--border-thickness) solid var(--text-color);
}
section.level1 {
  display: contents;
}

section.level1 > *:not(section.level2) {
  width: 100%;
}

.grid {
  --grid-cells: 0;
  display: flex;
  gap: 1ch;
  width: calc(
    round(down, 100%, (1ch * var(--grid-cells)) - (1ch * var(--grid-cells) - 1))
  );
  margin-bottom: var(--line-height);
}

.grid > *,
.grid > input {
  flex: 0 0
    calc(
      round(
        down,
        (100% - (1ch * (var(--grid-cells) - 1))) / var(--grid-cells),
        1ch
      )
    );
}
.grid:has(> :last-child:nth-child(1)) {
  --grid-cells: 1;
}
.grid:has(> :last-child:nth-child(2)) {
  --grid-cells: 2;
}
.grid:has(> :last-child:nth-child(3)) {
  --grid-cells: 3;
}
.grid:has(> :last-child:nth-child(4)) {
  --grid-cells: 4;
}
.grid:has(> :last-child:nth-child(5)) {
  --grid-cells: 5;
}
.grid:has(> :last-child:nth-child(6)) {
  --grid-cells: 6;
}
.grid:has(> :last-child:nth-child(7)) {
  --grid-cells: 7;
}
.grid:has(> :last-child:nth-child(8)) {
  --grid-cells: 8;
}
.grid:has(> :last-child:nth-child(9)) {
  --grid-cells: 9;
}

/* DEBUG UTILITIES */

.debug .debug-grid {
  --color: color-mix(
    in srgb,
    var(--text-color) 33%,
    var(--background-color) 90%
  );
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: -1;
  background-image: repeating-linear-gradient(
      var(--color) 0 1px,
      transparent 1px 100%
    ),
    repeating-linear-gradient(90deg, var(--color) 0 1px, transparent 1px 100%);
  background-size: 1ch var(--line-height);
  margin: 0;
}

.debug .off-grid {
  background: rgba(255, 0, 0, 0.1);
}

.debug-toggle-label {
  text-align: right;
}

pre > code.sourceCode > span > a:first-child::before {
  text-decoration: underline;
}

section.level1:has(> section.level2 ~ section.level2) {
  display: flex;
  flex-wrap: wrap;
  column-gap: var(--line-height);
}

section.level1 > :not(section) {
  width: 100%;
}

section.level1:has(> section.level2 ~ section.level2) > section.level2 {
  flex: 1 1 45%;

  min-width: 300px;
  /* border: 2px solid blue; */
  /* box-sizing: border-box; */
  margin-top: 0; /* Override the * + * margin */
}

#TOC {
  position: relative;
  top: calc(var(--line-height) * -2);
  margin-bottom: calc(var(--line-height) * -2);
}

#TOC a {
  text-decoration: none;
}

#TOC a:hover {
  text-decoration: underline;
}

/* .level2 { */
/*   border: var(--border-thickness) solid var(--text-color); */
/*   h2 { */
/*     margin-top: 0; */
/*     padding-left: 1ch; */
/*     background: var(--text-color); */
/*     color: var(--background-color); */
/*   } */
/* } */

.TODO {
  color: var(--color-red);
}

.DONE {
  color: var(--color-green);
}

u:before {
  content: "⚠ ";
}

u {
  color: var(--color-red);
  text-decoration: none;
}

ul li::marker {
  color: var(--color-blue);
}

code {
  font-weight: var(--font-weight-normal);
  color: var(--text-color-alt);
}

code span.al {
  color: var(--color-red);
  font-weight: bold;
} /* Alert */
code span.an {
  color: #60a0b0;
  font-weight: bold;
  font-style: italic;
} /* Annotation */
code span.at {
  color: var(--color-green);
} /* Attribute */
code span.bn {
  color: #40a070;
} /* BaseN */
code span.bu {
  color: var(--color-green);
} /* BuiltIn */
code span.cf {
  color: var(--color-green);
  font-weight: bold;
} /* ControlFlow */
code span.ch {
  color: #4070a0;
} /* Char */
code span.cn {
  color: #880000;
} /* Constant */
code span.co {
  color: var(--color-blue);
  font-style: italic;
} /* Comment */
code span.cv {
  color: var(--color-blue);
  font-weight: bold;
  font-style: italic;
} /* CommentVar */
code span.do {
  color: #ba2121;
  font-style: italic;
} /* Documentation */
code span.dt {
  color: #902000;
} /* DataType */
code span.fl {
  color: var(--text-color);
} /* Float */
code span.dv {
  color: var(--text-color);

  /* color: #40a070; */
} /* DecVal */
code span.er {
  color: #ff0000;
  font-weight: bold;
} /* Error */
code span.ex {
} /* Extension */
code span.fu {
  color: var(--color-red);
} /* Function */
code span.im {
  color: var(--color-green);
  font-weight: bold;
} /* Import */
code span.in {
  color: var(--color-green);
  font-weight: bold;
  font-style: italic;
} /* Information */

code span.kw {
  color: var(--color-lightblue);
} /* Keyword */
code span.op {
  /* color: #666666; */
  color: var(--text-color);
} /* Operator */
code span.ot {
  color: #007020;
} /* Other */
code span.pp {
  color: #bc7a00;
} /* Preprocessor */
code span.sc {
  color: var(--color-green);
} /* SpecialChar */
code span.ss {
  color: #bb6688;
  color: var(--color-lightblue);
} /* SpecialString */
code span.st {
  color: var(--color-orange);
} /* String */
code span.va {
  color: val(--color-orange);
} /* Variable */
code span.vs {
  color: #4070a0;
} /* VerbatimString */
code span.wa {
  color: #60a0b0;
  font-weight: bold;
  font-style: italic;
} /* Warning */

.write-doc-background {
  fill: var(--background-color);
}

svg .red {
  fill: #ffa500;
}
svg .bg {
  fill: var(--background-color);
}

svg .fg {
  fill: var(--text-color);
}
svg .green {
  fill: var(--color-green);
}

svg .blue {
  fill: var(--color-lightblue);
}

time {
white-space: nowrap;
}