/* The claudius docs: the landing page's palette and type on mdBook's themes (docs/book.toml: additional-css).
   The dark themes (navy, coal, ayu) take the studio's colours; the light ones (light, rust) a paper version of them.
   Code is dark in every theme and coloured like the studio's script editor. */

@font-face {
  font-family: "Hack";
  src: url("/assets/fonts/hack-regular-subset.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

:root {
  --c-sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", "Noto Sans", "Liberation Sans", Arial, sans-serif;
  --mono-font: "Hack", ui-monospace, "SF Mono", Menlo, Consolas, "DejaVu Sans Mono", monospace;
  --code-font-size: 0.84em;
  --content-max-width: 780px;
  --menu-bar-height: 54px;

  --c-code-bg: #0b0d11;
  --c-code-fg: #d6dae2;
  --c-code-line: #1f232b;
  --c-accent: #ffa348;
  --c-lcd: #090f11;
  --c-lcd-text: #84e8ff;

  --t-comment: #7d8a80;
  --t-string: #a6d680;
  --t-number: #c896ff;
  --t-func: #ffc470;
  --t-method: #6ecdf0;
  --t-keyword: #ff78aa;
  --t-punct: #8c94a0;
}

.navy,
.coal,
.ayu {
  --bg: #101217;
  --fg: #d5dae2;
  --c-fg-dim: #8f97a4;
  --c-line: #2e333e;
  --c-line-soft: #1f232b;
  --c-raised: #20242c;

  --sidebar-bg: #171a20;
  --sidebar-fg: #aeb5c1;
  --sidebar-non-existant: #6b7280;
  --sidebar-active: #ffa348;
  --sidebar-spacer: #20242c;

  --scrollbar: #3a404c;
  --icons: #8f97a4;
  --icons-hover: #eef0f4;
  --links: #ffa348;
  --inline-code-color: #e6e9ee;
  --c-inline-code-bg: #0b0d11;

  --theme-popup-bg: #20242c;
  --theme-popup-border: #2e333e;
  --theme-hover: #2a2f39;

  --quote-bg: #171a20;
  --quote-border: #2e333e;
  --warning-border: #f6c04a;

  --table-border-color: #2e333e;
  --table-header-bg: #20242c;
  --table-alternate-bg: #14161c;

  --searchbar-border-color: #2e333e;
  --searchbar-bg: #0b0d11;
  --searchbar-fg: #dde1e8;
  --searchbar-shadow-color: rgba(255, 163, 72, 0.35);
  --searchresults-header-fg: #8f97a4;
  --searchresults-border-color: #2e333e;
  --searchresults-li-bg: #171a20;
  --search-mark-bg: rgba(255, 163, 72, 0.38);

  --color-scheme: dark;
  --copy-button-filter: invert(64%) sepia(8%) saturate(388%) hue-rotate(179deg) brightness(91%) contrast(86%);
  --copy-button-filter-hover: invert(72%) sepia(52%) saturate(1017%) hue-rotate(327deg) brightness(102%) contrast(101%);
  --footnote-highlight: #ffa348;
  --overlay-bg: rgba(11, 13, 17, 0.6);

  --blockquote-note-color: #589eff;
  --blockquote-tip-color: #54d486;
  --blockquote-important-color: #a474ff;
  --blockquote-warning-color: #f6c04a;
  --blockquote-caution-color: #f05e56;

  --sidebar-header-border-color: #ffa348;
}

.light,
.rust,
html:not(.js) {
  --bg: #f8f7f4;
  --fg: #1d2129;
  --c-fg-dim: #545b67;
  --c-line: #d9d7d0;
  --c-line-soft: #e6e4de;
  --c-raised: #efeee9;

  --sidebar-bg: #efeee9;
  --sidebar-fg: #343a45;
  --sidebar-non-existant: #858b96;
  --sidebar-active: #a64b0a;
  --sidebar-spacer: #e2e0da;

  --scrollbar: #b9b6ad;
  --icons: #5f6672;
  --icons-hover: #1d2129;
  --links: #a64b0a;
  --inline-code-color: #262b33;
  --c-inline-code-bg: #e9e7e1;

  --theme-popup-bg: #f8f7f4;
  --theme-popup-border: #d9d7d0;
  --theme-hover: #e9e7e1;

  --quote-bg: #efeee9;
  --quote-border: #dcdad3;
  --warning-border: #c98a0b;

  --table-border-color: #e0ded7;
  --table-header-bg: #e9e7e1;
  --table-alternate-bg: #f2f1ec;

  --searchbar-border-color: #cfccc4;
  --searchbar-bg: #ffffff;
  --searchbar-fg: #1d2129;
  --searchbar-shadow-color: rgba(166, 75, 10, 0.3);
  --searchresults-header-fg: #545b67;
  --searchresults-border-color: #d9d7d0;
  --searchresults-li-bg: #efeee9;
  --search-mark-bg: rgba(255, 163, 72, 0.45);

  --color-scheme: light;
  /* the copy button sits on the dark code blocks */
  --copy-button-filter: invert(64%) sepia(8%) saturate(388%) hue-rotate(179deg) brightness(91%) contrast(86%);
  --copy-button-filter-hover: invert(72%) sepia(52%) saturate(1017%) hue-rotate(327deg) brightness(102%) contrast(101%);
  --footnote-highlight: #a64b0a;
  --overlay-bg: rgba(200, 198, 190, 0.45);

  --blockquote-note-color: #1f5fbf;
  --blockquote-tip-color: #1d7a45;
  --blockquote-important-color: #6b45c4;
  --blockquote-warning-color: #8a5a00;
  --blockquote-caution-color: #b3261e;

  --sidebar-header-border-color: #a64b0a;

  --c-code-bg: #16191f;
  --c-code-line: #16191f;
}

/* type */

html {
  font-family: var(--c-sans);
  -webkit-font-smoothing: antialiased;
}

body {
  font-size: 1rem;
  line-height: 1.65;
}

.content main {
  font-size: 1.0625rem;
}

.content h1,
.content h2,
.content h3,
.content h4 {
  font-weight: 650;
  letter-spacing: -0.012em;
  line-height: 1.2;
}

.content h1 {
  margin-top: 1.2em;
  font-size: 2.3em;
  letter-spacing: -0.022em;
}

.content h2 {
  margin-top: 2em;
  padding-top: 0.6em;
  border-top: 1px solid var(--c-line-soft);
  font-size: 1.6em;
}

.content h3 {
  margin-top: 1.8em;
  font-size: 1.25em;
}

.content p,
.content li {
  text-wrap: pretty;
}

.content a:link,
.content a:visited {
  color: var(--links);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

.content .header:link,
.content .header:visited {
  color: var(--fg);
  text-decoration: none;
}

::selection {
  background: rgba(255, 163, 72, 0.32);
}

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

/* the menu bar: the claudius wordmark, linked back to the landing page by head.hbs */

.menu-bar,
.menu-bar:hover,
.menu-bar.bordered {
  border-block-end-color: var(--c-line-soft);
}

.menu-bar {
  background: var(--bg);
}

.menu-title {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  font-family: var(--c-sans);
  font-size: 1.15rem;
  font-weight: 500;
  letter-spacing: 0;
}

.menu-title::before {
  content: "";
  flex: none;
  width: 22px;
  height: 20px;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 22 20'%3E%3Crect x='0' y='6.5' width='3' height='7' rx='1.5' fill='%23ffa348'/%3E%3Crect x='4.75' y='3' width='3' height='14' rx='1.5' fill='%23fd9a4a'/%3E%3Crect x='9.5' y='0' width='3' height='20' rx='1.5' fill='%23fb924c'/%3E%3Crect x='14.25' y='4.5' width='3' height='11' rx='1.5' fill='%23f9894d'/%3E%3Crect x='19' y='2' width='3' height='16' rx='1.5' fill='%23f8814f'/%3E%3C/svg%3E") center / contain no-repeat;
}

.menu-title a.claudius-home {
  color: var(--fg);
  text-decoration: none;
  border-radius: 4px;
}

.menu-title a.claudius-home:hover {
  color: var(--links);
}

.menu-title a.claudius-home .claudius-home-note {
  margin-left: 8px;
  color: var(--icons);
  font: 400 0.68rem/1 var(--mono-font);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

@media (max-width: 560px) {
  .menu-title a.claudius-home .claudius-home-note {
    display: none;
  }
}

/* sidebar */

.sidebar {
  border-inline-end: 1px solid var(--c-line-soft);
  font-size: 0.92rem;
}

.sidebar .sidebar-scrollbox {
  padding-top: 14px;
}

.chapter li.part-title {
  margin: 1.6em 0 0.4em;
  color: var(--c-fg-dim);
  font: 400 0.7rem/1.3 var(--mono-font);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.chapter li.chapter-item {
  line-height: 1.45;
}

/* links at least 24 px tall (WCAG 2.2 target size) */
.chapter li a,
.chapter li.header-item a {
  display: inline-block;
  min-height: 24px;
  padding-block: 3px;
  border-radius: 5px;
}

.menu-bar .right-buttons a,
.menu-bar .icon-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 32px;
  min-height: 32px;
}

.chapter li a.active {
  color: var(--sidebar-active);
  font-weight: 600;
}

.chapter li a:hover {
  color: var(--fg);
}

.sidebar .chapter li.chapter-item > a.active {
  box-shadow: -10px 0 0 -7px var(--sidebar-active);
}

/* code: the studio's script editor */

code {
  font-family: var(--mono-font);
}

/* mdBook gives inline code the hljs class too */
:not(pre) > code,
:not(pre) > code.hljs {
  padding: 0.1em 0.38em;
  border: 1px solid var(--c-line-soft);
  border-radius: 4px;
  background: var(--c-inline-code-bg);
  color: var(--inline-code-color);
  font-size: var(--code-font-size);
}

.content a code {
  color: inherit;
}

pre {
  border: 1px solid var(--c-code-line);
  border-radius: 8px;
  background: var(--c-code-bg);
}

pre > code,
pre > code.hljs,
pre .hljs {
  padding: 14px 16px;
  border-radius: 8px;
  background: var(--c-code-bg);
  color: var(--c-code-fg);
  font-size: 0.84rem;
  line-height: 1.65;
}

pre > .buttons {
  top: 6px;
  right: 6px;
}

pre > .buttons button {
  border-color: #2e333e;
  background: #20242c;
  color: #c9ced7;
}

.hljs-comment,
.hljs-quote {
  color: var(--t-comment);
  font-style: italic;
}

.hljs-string,
.hljs-regexp,
.hljs-addition,
.hljs-template,
.hljs-symbol,
.hljs-bullet {
  color: var(--t-string);
}

.hljs-number,
.hljs-literal {
  color: var(--t-number);
}

.hljs-keyword,
.hljs-selector,
.hljs-tag,
.hljs-meta {
  color: var(--t-keyword);
}

.hljs-title,
.hljs-section,
.hljs-name,
.hljs-built_in,
.hljs-builtin,
.hljs-type {
  color: var(--t-func);
}

.hljs-attr,
.hljs-attribute,
.hljs-variable,
.hljs-params,
.hljs-link {
  color: var(--t-method);
}

.hljs-deletion {
  color: #f05e56;
}

.hljs-emphasis {
  font-style: italic;
}

.hljs-strong {
  font-weight: 700;
}

/* tables, quotes, notes */

.content table {
  border-collapse: collapse;
  font-size: 0.95em;
}

.content table thead th {
  font-weight: 600;
}

.content table td,
.content table th {
  padding: 7px 12px;
  border-color: var(--table-border-color);
}

.content blockquote {
  margin-inline: 0;
  padding: 0.7em 1.1em;
  border: 1px solid var(--quote-border);
  border-inline-start: 3px solid var(--c-accent);
  border-radius: 0 8px 8px 0;
  background: var(--quote-bg);
}

.content .warning {
  border-radius: 8px;
}

kbd {
  border-color: var(--c-line);
  background: var(--c-raised);
  font-family: var(--mono-font);
}

/* search */

#mdbook-searchbar {
  border-radius: 8px;
  font-family: var(--c-sans);
}

.searchresults-header {
  font-family: var(--mono-font);
  font-size: 0.8rem;
}

/* previous / next */

.nav-chapters,
.mobile-nav-chapters {
  color: var(--icons);
}

.nav-chapters:hover {
  color: var(--c-accent);
}