@import url('https://fonts.cdnfonts.com/css/jetbrains-mono-2');

/* ===== RESET =====*/
/* http://meyerweb.com/eric/tools/css/reset/ 
   v2.0 | 20110126
   License: none (public domain)
*/

html,
body,
div,
span,
applet,
object,
iframe,
h1,
h2,
h3,
h4,
h5,
h6,
p,
blockquote,
pre,
a,
abbr,
acronym,
address,
big,
cite,
code,
del,
dfn,
em,
img,
ins,
kbd,
q,
s,
samp,
small,
strike,
strong,
sub,
sup,
tt,
var,
b,
u,
i,
center,
dl,
dt,
dd,
ol,
ul,
li,
fieldset,
form,
label,
legend,
table,
caption,
tbody,
tfoot,
thead,
tr,
th,
td,
article,
aside,
canvas,
details,
embed,
figure,
figcaption,
footer,
header,
hgroup,
menu,
nav,
output,
ruby,
section,
summary,
time,
mark,
audio,
video {
  /*margin: 0;*/
  padding: 0;
  border: 0;
  font-size: 100%;
  font: inherit;
  vertical-align: baseline;
}

/* HTML5 display-role reset for older browsers */
article,
aside,
details,
figcaption,
figure,
footer,
header,
hgroup,
menu,
nav,
section {
  display: block;
}

body {
  line-height: 1;
}

ol,
ul {
  list-style: none;
}

blockquote,
q {
  quotes: none;
}

blockquote:before,
blockquote:after,
q:before,
q:after {
  content: '';
  content: none;
}

table {
  border-collapse: collapse;
  border-spacing: 0;
}

:root {
  --font-family: "JetBrains Mono", monospace;
  --line-height: 1.20rem;
  --border-thickness: 2px;
  --text-color: #000;
  --text-color-alt: #666;
  --background-color: #fff;
  --background-color-alt: #eee;

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

  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;
}

/* ===== RESET END ===== */

@media (prefers-color-scheme: dark) {
  :root {
    --text-color: #fff;
    --text-color-alt: #aaa;
    --background-color: #000;
    --background-color-alt: #111;
  }
}

* {
  box-sizing: border-box;
}


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

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(80ch, round(down, 100%, 1ch)));
  line-height: var(--line-height);
  overflow-x: hidden;
}

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

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

h1,
h2,
h3,
h4,
h5,
h6 {
  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 {
  font-size: 1rem;
  text-transform: uppercase;
}

hr {
  position: relative;
  display: block;
  height: var(--line-height);
  margin: calc(var(--line-height) 1.5) 0;
  color: var(--text-color);

  border: none;
  border-top-width: medium;
  border-top-style: none;
  border-top-color: currentcolor;
  border-top: 2px dashed var(--text-color);
}

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

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

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

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: .75rem;
}

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(--text-color);
  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);
}

.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 {
  border: var(--border-thickness) solid var(--text-color);
  padding: calc(var(--line-height) - var(--border-thickness)) 1ch;
  margin-bottom: var(--line-height);
}

summary {
  font-weight: var(--font-weight-medium);
  cursor: pointer;
}

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);
}

code {
  font-weight: var(--font-weight-medium);
}

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],
input[type=radio] {
  display: inline-grid;
  place-content: center;
  vertical-align: top;
  width: 2ch;
  height: var(--line-height);
  cursor: pointer;
}

input[type=checkbox]:checked:before,
input[type=radio]:checked:before {
  content: "";
  width: 1ch;
  height: calc(var(--line-height) / 2);
  background: var(--text-color);
}

input[type=radio],
input[type=radio]:before {
  border-radius: 100%;
}

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);
}

.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;
}



.invert-schematic {
  @media (prefers-color-scheme: light) {
    filter: invert() grayscale(100%);
  }
  margin: 0 auto;
  width: max-content;
}

/* DEBUG UTILITIES */

.debug .debug-grid {
  --color: color-mix(in srgb, var(--text-color) 10%, 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;
}

h1:first-of-type {
  margin-top: 0;
}