/* SPDX-License-Identifier: GPL-2.0-only */
:root {
  color-scheme: light dark;
  --bg: #f5f5f0;
  --fg: #171717;
  --dim: #565656;
  --link: #006644;
  --rule: #9a9a90;
  font-family: ui-monospace, "DejaVu Sans Mono", monospace;
  line-height: 1.65;
  background: var(--bg);
  color: var(--fg);
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #111410;
    --fg: #e8e8e2;
    --dim: #b0b0a8;
    --link: #76d7ad;
    --rule: #606058;
  }
}
body {
  max-width: 72rem;
  margin: 0 auto;
  padding: clamp(1.5rem, 5vw, 4rem) 1rem;
}
h1 {
  margin: 0;
  font-size: clamp(2rem, 6vw, 3rem);
  line-height: 1.2;
}
h2 {
  margin-top: 3rem;
  padding-bottom: 0.5rem;
  line-height: 1.3;
  border-bottom: 1px solid var(--rule);
}
p, ul { max-width: 72ch; }
.intro { font-size: 1.15rem; }
li { margin: 0.4rem 0; }
nav, footer { line-height: 2; }
a {
  color: var(--link);
  text-underline-offset: 0.18em;
}
a:focus-visible {
  outline: 2px solid currentcolor;
  outline-offset: 3px;
}
figure { margin: 2rem 0; }
img {
  display: block;
  box-sizing: border-box;
  max-width: 100%;
  height: auto;
  border: 1px solid var(--rule);
}
figcaption {
  margin-top: 0.5rem;
  color: var(--dim);
  max-width: 80ch;
}
pre {
  font: inherit;
  overflow-x: auto;
  padding: 0.8rem 0;
}
code { font: inherit; }
footer {
  margin-top: 3rem;
  border-top: 1px solid var(--rule);
  padding-top: 1rem;
}