/*
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 */

/*
 * note: this is a heavily modified version of the Monospace Web.
 *
 * https://owickstrom.github.io/the-monospace-web/
 */

@font-face {
  font-family: "Berkeley Mono";
  src: url("./BerkeleyMono-Regular.woff2") format("woff2");
  font-weight: normal;
  font-style: normal;
  font-display: swap;
}

:root {
  --font-family: "Berkeley Mono", monospace;
  --line-height: 1.2rem;
  --border-thickness: 2px;
  --text-color: #000;
  --text-color-alt: #666;
  --background-color: #f5f5f5;
  --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-ligatures: none;
  font-variant-numeric: tabular-nums lining-nums;
  font-size: 16px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --text-color: #fff;
    --text-color-alt: #a0aec0;
    --background-color: rgb(26, 27, 37);
    --background-color-alt: #111;
  }

  .shiki, .shiki span, .shiki-inline, .shiki-inline span {
    color: var(--shiki-dark) !important;
    background-color: var(--shiki-dark-bg) !important;
    font-style: var(--shiki-dark-font-style) !important;
    font-weight: var(--shiki-dark-font-weight) !important;
    text-decoration: var(--shiki-dark-text-decoration) !important;
  }
}

* {
  box-sizing: border-box;
}

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

body {
  flex: 1;
  padding: 0;
  position: relative;
  width: 100%;
  margin: 0;
  padding: var(--line-height) 2ch;
  /* fixes weird selection colouring */
  line-height: 1.35em;
  overflow-x: hidden;
}

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

  table {
    font-size: 0.875rem;
  }

  pre {
    margin: calc(var(--line-height) * 0.5) 0;
  }
}

h1, h2, h3, h4, h5, h6 {
  font-weight: var(--font-weight-bold);
  margin: calc(var(--line-height) * 2) 0 var(--line-height);
  padding: calc(var(--line-height) / 3) 0 calc(var(--line-height) / 3);
  line-height: var(--line-height);
  font-family: "Berkeley Mono", monospace !important;
  font-size: 1rem;
  text-transform: none !important;
  font-weight: 800 !important;
}

h1 {
  font-size: 1.2rem;
  line-height: calc(2 * var(--line-height));
  margin-bottom: calc(var(--line-height) * 2);
}

h2 {
  font-size: 1rem;
}

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);
  text-decoration-color: var(--text-color-alt);
}

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;
}

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;
}

img {
  font-style: italic;
  color: var(--text-color-alt);
}

details {
  padding: calc((var(--line-height) - var(--border-thickness)) / 2) 1ch;
  margin-bottom: 0;
}

.heading-anchor {
  color: var(--text-color-alt) !important;
  opacity: 0;
  transition: opacity 250ms ease;
}

*:hover > .heading-anchor {
  opacity: 1;
}

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

details[open], details[open] summary {
  margin-bottom: var(--line-height);
}

details summary ::marker {
  display: inline-block;
  content: "▶ ";
  margin: 0;
}

details[open] summary ::marker {
  content: "▼ ";
}

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

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

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

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;
}

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 {
  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-color: transparent;
}

.tree ul li:last-child:after {
  position: absolute;
  display: block;
  top: 0;
  left: calc(-1 * var(--border-thickness));
  content: "";
  height: calc(var(--line-height) / 2 + var(--border-thickness));
  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;
}

.shiki {
  padding: 1em;
  border: 1px solid #666;
  border-width: 1px;
  border-radius: 5px;
  position: relative;
}

.shiki-no-box {
  padding: 0 !important;
  border: none !important;
}

.shiki-inline {
  white-space: nowrap;
}

.excmd-heading {
  text-transform: none !important;
}

article h1 {
  padding-top: unset !important;
  margin-top: unset !important;
  margin-bottom: unset !important;
}

.content-container > article {
  max-width: 50em;
  padding-left: 1em !important;
  padding-top: unset !important;
  margin-top: var(--line-height);
  margin-left: var(--line-height);
  margin-right: var(--line-height);
}

/* remove underlines from heading anchors */
a:has(> :where(h1, h2, h3, h4, h5, h6)) {
  text-decoration: none;
}

/* remove underlines from heading anchors */
:where(h1, h2, h3, h4, h5, h6)::after {
  color: var(--text-color-alt);
  content: " #";
  opacity: 0;
  transition: opacity 250ms ease;
}

:where(h1, h2, h3, h4, h5, h6):hover::after {
  opacity: 1;
}

:where(h1, h2, h3, h4, h5, h6):target {
  animation: highlight-heading 3s ease-out;
}

@keyframes highlight-heading {
  0% {
    background-color: rgba(255, 200, 0, 0.3);
  }
  100% {
    background-color: transparent;
  }
}

@media (prefers-color-scheme: dark) {
  @keyframes highlight-heading {
    0% {
      background-color: rgba(255, 200, 0, 0.15);
    }
    100% {
      background-color: transparent;
    }
  }
}

.invisible-header {
  margin: 0 !important;
}
.invisible-header::after {
  display: none !important;
}

figure {
  margin: 0 !important;
}

figure pre {
  margin-bottom: 0;
}

figcaption {
  font-size: 0.85em !important;
  color: var(--text-color-alt);
  margin-top: 0.5rem !important;
  font-style: italic;
  text-align: center;
}

/* Only apply background color to standalone <code> elements */
code:not(pre code) {
  background-color: #313131;
  font-weight: 400;
  color: #e6e6e6;
}

sup {
  font-size: 0.75em !important;
  color: var(--text-color-alt);
}

sup a {
  color: var(--text-color-alt) !important;
  text-decoration: none;
}

ol li {
  padding-bottom: 0.5em !important;
  padding-left: 3ch !important;
  position: relative;
}

ol li::before {
  position: absolute;
  left: 0;
}

ol li p {
  display: inline;
}

hr {
  height: 0 !important;
  border-top: var(--border-thickness) solid var(--text-color) !important;
}

.code-heading {
  font-weight: normal !important;
}
h2.code-heading {
  margin-top: 3em !important;
}
h3.code-heading {
  margin-top: 2em !important;
}
.code-heading::after {
  display: none !important;
}

.main-container {
  display: flex;
  min-height: 100vh;
  flex-direction: column;
}

.content-container {
  display: flex;
  margin-top: unset;
  flex: 1;
}

.sidebar {
  position: sticky;
  top: 0px;
  height: 100vh;
  min-width: 25ch;
  width: 20ch;
  padding: calc(var(--line-height)) 2ch;
  --border-thickness: 2px;
  --line-height: 1.2rem;
  background: var(--background-color);
  font-family: var(--font-family);
  overflow-y: auto;
}

.glide-sidenav-heading {
  margin-bottom: 0.25em;
  display: flex;
  align-items: center;
}

.glide-sidenav-heading-link {
  font-size: 1.2em;
  font-weight: 900;
  text-decoration: none;
  flex-grow: 1;
}

.glide-sidenav-heading-img {
  width: 1.25em;
  height: 1.25em;
  margin-bottom: -0.25em;
  margin-right: -0.25em;
}

.glide-sidenav-heading-link:hover {
  background: linear-gradient(
    to right,
    var(--background-color-alt) 80%,
    transparent 100%
  );
}

.sidenav a {
  text-decoration: none;
  display: block;
}

.sidenav a:hover {
  background: var(--background-color-alt);
}

.sidenav li.is-active a {
  color: var(--background-color-alt) !important;
  background: var(--text-color);
  font-weight: var(--font-weight-bold);
}

.github-logo svg {
  display: block;
  height: var(--line-height);
  padding: 1px;
}

.go-to-def {
  text-decoration-thickness: 0.05em;
  text-decoration-style: solid;
  text-decoration-color: color-mix(in srgb, currentColor 40%, transparent);
}

.mobile-menu-toggle {
  display: none;
  position: fixed;
  top: 1rem;
  left: 1rem;
  z-index: 201;
  background: var(--background-color-alt);
  border: 1px solid var(--text-color);
  border-radius: 4px;
  padding: 0.5rem;
  cursor: pointer;
  width: 2.5rem;
  height: 2.5rem;
}

.mobile-menu-toggle svg {
  width: 1.5rem;
  height: 1.5rem;
}

.mobile-menu-toggle:hover {
  background: var(--background-color);
}

.mobile-nav-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 199;
}

.copy-button {
  position: absolute;
  top: 0.5rem;
  right: 0.5rem;
  padding: 0.5rem;
  border: none;
  color: var(--text-color);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  min-width: 2.5rem;
  min-height: 2.5rem;
}

.copy-button svg {
  width: 1.5rem;
  height: 1.5rem;
  position: absolute;
  transition: opacity 0.2s ease;
}

.copy-button:hover {
  background: var(--background-color-alt) !important;
  transition: opacity 0.2s ease;
  border-radius: 4px;
}

.copy-button .check-icon {
  opacity: 0;
}

.copy-button.copied .copy-icon {
  opacity: 0;
}

.copy-button.copied .check-icon {
  opacity: 1;
}

/* page-find styling */

.search-button {
  margin: 0;
  margin-left: auto;
  padding: calc(var(--line-height) * 0.25) 1ch;
  background: var(--background-color-alt);
  border: 1px solid hsla(0, 0%, 100%, 0.1);
  border-radius: 6px;
  height: unset;
  line-height: 1;
  font-size: 1rem;
}

.search-button:hover {
  background: var(--background-color);
  border-color: hsla(0, 0%, 100%, 0.2);
}

/* Pagefind UI customization */
#search {
  display: none;
  position: fixed;
  inset: 0;
  background: hsla(0, 0%, 0%, 0.6);
  z-index: 300;
  padding: 1rem;
}

.pagefind-ui {
  max-width: 640px;
  margin: 4rem auto 0;
  background: var(--background-color);
  border-radius: 12px;
  padding: 1.5rem;
  box-shadow: 0 8px 32px hsla(0, 0%, 0%, 0.4);
  border: 1px solid hsla(0, 0%, 100%, 0.1);
}

.pagefind-ui__search-input {
  width: 100%;
  padding: 0.75rem 1rem;
  font-size: 1rem;
  background: var(--background-color);
  border: 1px solid hsla(0, 0%, 100%, 0.2);
  color: var(--text-color);
  border-radius: 8px;
  margin-bottom: 1rem;
  transition: all 0.2s ease;
}

.pagefind-ui__search-input:focus {
  outline: none;
  border-color: hsla(0, 0%, 0%, 0.4);
  background: var(--background-color-alt);
}

/* Style the search input placeholder */
.pagefind-ui__search-input::placeholder {
  color: var(--text-color-alt);
  opacity: 0.7;
}

/* Style the clear button (x) in the search input */
.pagefind-ui__search-clear {
  color: var(--text-color);
  opacity: 0.7;
  transition: opacity 0.2s ease;
}

.pagefind-ui__search-clear:hover {
  opacity: 1;
}

.pagefind-ui__results-area {
  margin-top: 1rem;
  max-height: calc(100vh - 12rem);
  overflow-y: auto;
}

.pagefind-ui__result {
  padding: 1rem;
  border-bottom: 1px solid hsla(0, 0%, 0%, 0.1);
  margin: 0;
  border-radius: 0;
}

.pagefind-ui__result:last-child {
  border-bottom: none;
}

.pagefind-ui__result:hover {
  background: var(--background-color-alt);
}

.pagefind-ui__result-title {
  font-weight: var(--font-weight-bold);
  color: var(--text-color);
  text-decoration: none;
  font-size: 1.1rem;
}

.pagefind-ui__result-excerpt {
  margin-top: 0.5rem;
  color: var(--text-color);
  font-size: 0.9rem;
}

.pagefind-ui__message {
  color: var(--text-color);
  text-align: center;
  padding: 1rem;
}

/* Style for highlighted text in results */
.pagefind-ui__result-excerpt mark, .pagefind-ui__result-title mark {
  background: #404040;
  color: #ffffff;
  padding: 0.1rem 0.2rem;
  border-radius: 2px;
  font-weight: bold;
}

/* Add subtle animation for the highlights */
.pagefind-ui__result-excerpt mark, .pagefind-ui__result-title mark {
  animation: highlight-fade-in 0.15s ease-in;
}

@keyframes highlight-fade-in {
  from {
    background: transparent;
    color: inherit;
  }

  to {
    background: #404040;
    color: #ffffff;
  }
}

/* Add a subtle transition when hovering over results */
.pagefind-ui__result {
  transition: background-color 0.15s ease;
}

/* Make the title highlights stand out a bit more */
.pagefind-ui__result-title mark {
  background: #505050;
}

/* Add close button */
.pagefind-ui__close-button {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: none;
  border: none;
  color: white;
  font-size: 1.5rem;
  cursor: pointer;
  padding: 0.5rem;
}

.pagefind-ui__close-button:hover {
  opacity: 0.8;
}

/* Hide Pagefind branding */
.pagefind-ui__powered-by {
  display: none;
}

/* GitHub-style admonitions */
.admonition {
  margin: 1rem 0;
  padding: 1rem;
  border: 1px solid #999;
  border-radius: 5px;
  background-color: rgba(255, 255, 255, 0.02);
}

.admonition-title {
  font-weight: var(--font-weight-bold);
  font-size: 1rem;
  margin-bottom: 0.5rem;
  text-transform: lowercase;
}

.admonition > p:first-of-type {
  margin-top: 0;
}

.admonition > *:last-child {
  margin-bottom: 0;
}

/* prefixes */
.admonition-note .admonition-title::before {
  content: "› ";
}
.admonition-tip .admonition-title::before {
  content: "✓ ";
}
.admonition-important .admonition-title::before {
  content: "! ";
}
.admonition-warning .admonition-title::before {
  content: "⚠ ";
}
.admonition-caution .admonition-title::before {
  content: "⨯ ";
}

table th, table td {
  border: 1px solid var(--text-color);
}

.alpha-warning {
  /* constrain width to a specific width so that
   * it doesn't change when content is expanded.
   *
   * but this solution feels very hacky...
   */
  width: min(100vw - 5em, 50em);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 0.75rem;
  margin-bottom: 1.25rem;
  background-color: rgba(245, 158, 11, 0.08);
  border: 1px solid rgba(245, 158, 11, 0.3);
  border-radius: 0.25rem;
  color: #92400e;
  font-size: 0.8125rem;
  line-height: 1.2;
}

/**
 * only show the copy code button when the codeblock
 * is focused on touch devices, as first of all you're less
 * likely to need to copy the code block and it can also overlap
 * with the content in annoying ways.
 */
@media (hover: none) and (pointer: coarse) {
  .copy-button {
    display: none;
  }

  .shiki:focus-within .copy-button {
    display: flex !important;
  }
}

/* Update mobile styles */
@media screen and (max-width: 768px) {
  /* ensure anchors don't overlap with the menu toggle */
  [id] {
    scroll-margin-top: 4em;
  }

  .mobile-menu-toggle {
    display: flex;
  }

  .main-container {
    padding-top: 4rem;
  }

  .content-container {
    flex-direction: column;
    max-height: none;
  }

  .sidebar {
    position: fixed;
    top: 0;
    left: -100%;
    width: 80%;
    max-width: 300px;
    height: 100vh;
    z-index: 200;
    transition: left 0.3s ease;
    box-shadow: 2px 0 8px rgba(0, 0, 0, 0.3);
    overflow-y: auto;
    padding-top: 4rem; /* Space for close button */
  }

  .sidebar.mobile-menu-open {
    left: 0;
  }

  .mobile-nav-overlay.show {
    display: block;
  }

  .content-container > article {
    max-width: 100%;
    margin: 0;
    padding: 1rem !important;
  }

  .shiki {
    font-size: 0.875rem;
    padding: 0.75rem;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  table {
    display: block;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    white-space: nowrap;
  }

  .pagefind-ui {
    margin: 1rem;
    padding: 1rem;
  }

  .copy-button {
    padding: 0.25rem;
    min-width: 2rem;
    min-height: 2rem;
  }

  .copy-button svg {
    width: 1.25rem;
    height: 1.25rem;
  }

  ol li {
    padding-left: 2ch !important;
  }

  .admonition {
    padding: 0.75rem;
    margin: 0.75rem 0;
  }
}

/* Extra small devices (phones in portrait) */
@media screen and (max-width: 480px) {
  .shiki {
    font-size: 0.7rem;
    padding: 0.5rem;
  }

  h1, h2, h3, h4, h5, h6 {
    font-size: 0.9rem;
  }

  .content-container > article {
    padding: 0.75rem !important;
  }

  .sidebar {
    width: 90%;
    max-width: none;
  }

  .search-button {
    padding: 0.25rem 0.5rem;
    font-size: 0.875rem;
  }

  pre {
    line-height: 1.2;
  }

  code:not(pre code) {
    font-size: 0.875rem;
    padding: 0.1rem 0.2rem;
  }
}

@media (prefers-color-scheme: dark) {
  .alpha-warning {
    background-color: rgba(245, 158, 11, 0.05);
    border-color: rgba(245, 158, 11, 0.25);
    color: #d69e2e;
  }
}