/* The one stylesheet of the manual. System fonts, no import, no script. */

:root {
  color-scheme: light dark;
  --text: #1d2330;
  --muted: #566074;
  --page: #fbfbf8;
  --panel: #eef1f6;
  --line: #ccd3de;
  --link: #0b5cad;
  --accent: #1f6f5c;
  --box: #e8f3ef;
  --code: #eceff4;
}

@media (prefers-color-scheme: dark) {
  :root {
    --text: #e4e8f0;
    --muted: #a3adbf;
    --page: #151a23;
    --panel: #1d2430;
    --line: #333d4f;
    --link: #7fb8f5;
    --accent: #6cc7ac;
    --box: #17302a;
    --code: #222a38;
  }
}

* {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  margin: 0;
  background: var(--page);
  color: var(--text);
  font: 1rem/1.65 system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

a {
  color: var(--link);
  text-decoration: underline;
  text-underline-offset: 0.15em;
  overflow-wrap: anywhere;
}

a:focus-visible,
summary:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 2px;
}

.skip {
  position: absolute;
  left: -999px;
  top: 0;
  padding: 0.5rem 1rem;
  background: var(--panel);
}

.skip:focus {
  left: 0.5rem;
  top: 0.5rem;
  z-index: 10;
}

.top {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.5rem 1.5rem;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--line);
  background: var(--panel);
}

.brand {
  font-weight: 700;
  font-size: 1.15rem;
  text-decoration: none;
  color: var(--text);
}

.layout {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
  max-width: 66rem;
  margin: 0 auto;
  padding: 1.5rem 1.5rem 2.5rem;
}

main {
  min-width: 0;
  max-width: 70ch;
}

h1,
h2,
h3 {
  line-height: 1.25;
  scroll-margin-top: 1rem;
}

h1 {
  font-size: 2rem;
  margin: 0.5rem 0 1rem;
}

h2 {
  font-size: 1.45rem;
  margin: 2.2rem 0 0.6rem;
}

h3 {
  font-size: 1.15rem;
  margin: 1.6rem 0 0.4rem;
}

p,
ul,
ol {
  margin: 0.8rem 0;
}

li {
  margin: 0.3rem 0;
}

li > ul,
li > ol {
  margin: 0.3rem 0;
}

code {
  font: 0.9em/1.4 ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
  background: var(--code);
  padding: 0.1em 0.3em;
  border-radius: 3px;
  overflow-wrap: anywhere;
}

pre {
  margin: 1rem 0;
  padding: 0.8rem 1rem;
  background: var(--code);
  border: 1px solid var(--line);
  border-radius: 6px;
  overflow-x: auto;
  max-width: 100%;
}

pre code {
  padding: 0;
  background: none;
  overflow-wrap: normal;
  white-space: pre;
}

figure {
  margin: 1.4rem 0;
}

figure img {
  display: block;
  max-width: 100%;
  height: auto;
  border: 1px solid var(--line);
  border-radius: 4px;
}

figcaption {
  margin-top: 0.5rem;
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.5;
}

section.verified {
  margin: 2.5rem 0 1rem;
  padding: 0.2rem 1rem 0.6rem;
  background: var(--box);
  border: 1px solid var(--accent);
  border-left-width: 6px;
  border-radius: 6px;
}

section.verified h2 {
  margin-top: 0.8rem;
  font-size: 1.15rem;
}

.pager {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.5rem 1rem;
  margin-top: 2rem;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
}

.pager p {
  margin: 0;
}

.pager .next {
  margin-left: auto;
  text-align: right;
}

.pager span {
  display: block;
  font-size: 0.85rem;
  color: var(--muted);
}

.manual {
  padding: 0.5rem 1rem 1rem;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 6px;
}

.manual h2 {
  margin: 1.2rem 0 0.3rem;
  font-size: 0.85rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--muted);
}

.manual ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.manual li {
  margin: 0.25rem 0;
}

.manual a[aria-current="page"] {
  font-weight: 700;
  color: var(--text);
  text-decoration-thickness: 3px;
}

.bottom {
  max-width: 62rem;
  margin: 1rem auto 2rem;
  padding: 1rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.9rem;
}

@media (min-width: 60rem) {
  .layout {
    flex-direction: row;
    align-items: flex-start;
    gap: 3rem;
  }

  main {
    flex: 1 1 auto;
  }

  .manual {
    order: -1;
    flex: 0 0 15rem;
    position: sticky;
    top: 1rem;
    max-height: calc(100vh - 2rem);
    overflow-y: auto;
  }

  .contents {
    display: none;
  }
}