/* Undercroft manual skin — keeps the mdBook manual visually continuous
   with the landing page (same palette, same faces: GFS Didot display,
   IBM Plex Sans text, IBM Plex Mono code). Loaded after the stock theme
   css, and pins the brand look across every built-in theme choice. */

@import url('https://fonts.googleapis.com/css2?family=GFS+Didot&family=IBM+Plex+Mono:wght@400;500;600&family=IBM+Plex+Sans:wght@300;400;500;600&display=swap');

html.light, html.rust, html.coal, html.navy, html.ayu {
  --bg: #04080a;
  --fg: #d9f0ea;
  --sidebar-bg: #071014;
  --sidebar-fg: #7fa39c;
  --sidebar-non-existant: #29403c;
  --sidebar-active: #35e0c2;
  --sidebar-spacer: #0f2228;
  --scrollbar: #0f2228;
  --icons: #7fa39c;
  --icons-hover: #35e0c2;
  --links: #35e0c2;
  --inline-code-color: #c9a961;
  --theme-popup-bg: #071014;
  --theme-popup-border: #0f2228;
  --theme-hover: #0a171c;
  --quote-bg: #071014;
  --quote-border: #0f2228;
  --table-border-color: #0f2228;
  --table-header-bg: #071014;
  --table-alternate-bg: #060d10;
  --searchbar-border-color: #0f2228;
  --searchbar-bg: #071014;
  --searchbar-fg: #d9f0ea;
  --searchbar-shadow-color: #000;
  --searchresults-header-fg: #7fa39c;
  --searchresults-border-color: #0f2228;
  --searchresults-li-bg: #071014;
  --search-mark-bg: #c9a961;
  --color-scheme: dark;
}

html {
  font-family: "IBM Plex Sans", sans-serif;
  font-weight: 300;
}

.content main {
  line-height: 1.65;
}

h1, h2, h3, h4, h5 {
  font-family: "GFS Didot", "Times New Roman", serif;
  font-weight: 400;
  color: #d9f0ea;
}

.content h1 {
  letter-spacing: .02em;
  text-shadow: 0 0 34px rgba(53, 224, 194, .22);
}

.content h2 {
  border-bottom: 1px solid #0f2228;
  padding-bottom: .35em;
}

.menu-title {
  font-family: "GFS Didot", "Times New Roman", serif;
  font-weight: 400;
  letter-spacing: .3em;
  text-transform: uppercase;
  color: #c9a961 !important;
}

.chapter li.chapter-item {
  font-family: "IBM Plex Sans", sans-serif;
  font-weight: 300;
  line-height: 1.9;
}

.chapter li a.active {
  color: #35e0c2;
}

.sidebar .part-title {
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: .72rem;
  letter-spacing: .3em;
  text-transform: uppercase;
  color: #7fa39c;
}

:not(pre) > code {
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: .86em;
}

pre > code, pre > .hljs {
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  background: #071014 !important;
  border: 1px solid #0f2228;
}

.content a {
  text-underline-offset: 3px;
}

.content a:hover {
  color: #57ff9a;
}

blockquote {
  font-style: italic;
}

table th {
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: .78rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  font-weight: 500;
}

::selection {
  background: #35e0c2;
  color: #032620;
}

/* home link injected by undercroft.js */
.uc-home {
  font-family: "GFS Didot", "Times New Roman", serif;
  font-size: 1.35rem;
  line-height: 1;
  color: #c9a961 !important;
  text-decoration: none;
  padding: 0 8px;
}

.uc-home:hover {
  color: #35e0c2 !important;
  text-shadow: 0 0 18px rgba(53, 224, 194, .5);
}