/* The slug theme: black, white, and many greens. */
:root {
  --bg: #0a0c0a;
  --panel: #111511;
  --line: #1f2a1f;
  --text: #d4d8d2;
  --dim: #7c8a7a;
  --white: #f2f4f0;
  --slime: #87d75f;
  --moss: #5faf5f;
  --fern: #afd787;
  --deep: #2e4a2a;
  --mono: ui-monospace, "JetBrains Mono", "SF Mono", Menlo, Consolas, "DejaVu Sans Mono", monospace;
  color-scheme: dark;
}

* { box-sizing: border-box; }
html { background: var(--bg); }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.6 var(--mono);
  -webkit-text-size-adjust: 100%;
}
::selection { background: var(--deep); color: var(--white); }

a { color: var(--slime); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 3px; }

.bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 28px;
  padding: 14px 24px;
  border-bottom: 1px solid var(--line);
}
.bar .home { display: flex; align-items: center; gap: 10px; color: var(--white); font-weight: 700; }
.bar .home:hover { text-decoration: none; }
.mini { width: 30px; height: 16px; fill: var(--white); }
.bar nav { display: flex; flex-wrap: wrap; gap: 4px 20px; }
.bar nav a { color: var(--dim); }
.bar nav a:hover, .bar nav a[aria-current] { color: var(--slime); text-decoration: none; }
.bar nav a[aria-current]::before { content: "›"; margin-right: 4px; }

.layout {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  gap: 48px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 32px 24px 64px;
}
.layout.single { grid-template-columns: minmax(0, 1fr); max-width: 860px; }
main { min-width: 0; max-width: 860px; }

.toc {
  position: sticky;
  top: 24px;
  align-self: start;
  max-height: calc(100vh - 48px);
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 2px;
  font-size: 13px;
  border-left: 1px solid var(--line);
  padding-left: 14px;
}
.toc a { color: var(--dim); }
.toc a:hover { color: var(--fern); text-decoration: none; }

h1, h2, h3, h4 { color: var(--white); line-height: 1.3; scroll-margin-top: 16px; }
h1 { font-size: 26px; margin: 8px 0 24px; }
h2 { font-size: 20px; margin: 48px 0 16px; padding-top: 16px; border-top: 1px solid var(--line); }
h3 { font-size: 16px; margin: 32px 0 12px; }
h4 { font-size: 15px; margin: 24px 0 8px; }
.anchor { color: var(--deep); font-weight: 400; }
h1 .anchor { color: var(--moss); }
h2 .anchor { color: var(--moss); }
h3 .anchor, h4 .anchor { color: var(--deep); }
.anchor:hover { color: var(--slime); text-decoration: none; }

p, ul, ol { margin: 0 0 16px; }
ul { padding-left: 20px; }
li::marker { color: var(--moss); }
strong { color: var(--white); }
hr { border: 0; border-top: 1px solid var(--line); margin: 32px 0; }

code { font-family: var(--mono); font-size: 0.92em; color: var(--fern); }
pre {
  position: relative;
  margin: 0 0 20px;
  padding: 14px 16px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 4px;
  overflow-x: auto;
  line-height: 1.5;
}
pre code { color: var(--text); font-size: 13.5px; }
.copy {
  position: absolute;
  top: 6px;
  right: 6px;
  padding: 2px 8px;
  font: 12px var(--mono);
  color: var(--dim);
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 3px;
  cursor: pointer;
  opacity: 0;
}
pre:hover .copy, .copy:focus { opacity: 1; }
.copy:hover { color: var(--slime); border-color: var(--deep); }

table { width: 100%; border-collapse: collapse; margin: 0 0 20px; font-size: 13.5px; display: block; overflow-x: auto; }
th, td { text-align: left; vertical-align: top; padding: 7px 12px; border-bottom: 1px solid var(--line); }
th { color: var(--moss); font-weight: 400; border-bottom-color: var(--deep); }
td:first-child { white-space: nowrap; }

blockquote { margin: 0 0 16px; padding: 2px 16px; border-left: 2px solid var(--deep); color: var(--dim); }
img { max-width: 100%; }

/* The home page. */
.hero { padding: 24px 0 8px; }
.art { display: flex; align-items: flex-end; gap: 36px; flex-wrap: wrap; margin-bottom: 28px; }
.slug { fill: var(--white); width: 150px; height: auto; }
.logo { fill: var(--white); width: 200px; height: auto; }
.tagline { color: var(--white); font-size: 17px; margin-bottom: 4px; }
.lede { color: var(--dim); margin-bottom: 28px; }
.install { border-color: var(--deep); padding-right: 76px; }
.install code { white-space: pre-wrap; word-break: break-all; }
.install .copy { top: 50%; transform: translateY(-50%); }
.install code { color: var(--white); font-size: 14.5px; }
.install .prompt { color: var(--slime); user-select: none; }
.install .copy { opacity: 1; }
.more { margin-top: 40px; color: var(--dim); }
.hero + h2 { margin-top: 32px; }

.crawl { position: relative; height: 22px; max-width: 60ch; margin: -6px 0 8px; overflow: hidden; white-space: nowrap; }
.crawl .track { color: var(--line); }
.crawl .mover { position: absolute; top: 0; left: 0; animation: crawl 16s linear infinite; }
.crawl .loader { color: var(--white); }
.crawl .trail { color: var(--moss); }
@keyframes crawl { from { transform: translateX(60ch); } to { transform: translateX(-4ch); } }
@media (prefers-reduced-motion: reduce) { .crawl .mover { animation: none; transform: translateX(40ch); } }

footer {
  max-width: 1200px;
  margin: 0 auto;
  padding: 24px;
  border-top: 1px solid var(--line);
  color: var(--dim);
  font-size: 13px;
}
footer .slime { color: var(--moss); }
footer .loader { color: var(--white); }
footer .slime { margin-right: 10px; }

@media (max-width: 860px) {
  .layout { grid-template-columns: minmax(0, 1fr); gap: 0; padding: 24px 16px 48px; }
  .toc { display: none; }
  .bar { padding: 12px 16px; }
  footer { padding: 20px 16px; }
  .slug { width: 110px; }
  .logo { width: 150px; }
}
main > h2:first-child { margin-top: 8px; padding-top: 0; border-top: 0; }