:root {
  color-scheme: light dark;
  --ink: #1b1b1f;
  --muted: #5c5f66;
  --faint: #8a8d94;
  --line: #e6e6ea;
  --accent: #3a6df0;
  --bg: #ffffff;
  --code-bg: #f5f5f7;
}

@media (prefers-color-scheme: dark) {
  :root {
    --ink: #e7e9f0;
    --muted: #9aa1b3;
    --faint: #6c7486;
    --line: #242b3c;
    --accent: #7aa2ff;
    --bg: #0f1320;
    --code-bg: #181d2a;
  }
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

.wrap {
  max-width: 680px;
  margin: 0 auto;
  padding: 0 22px;
}

/* top bar */
header.top {
  border-bottom: 1px solid var(--line);
}
header.top .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 18px;
  padding-bottom: 18px;
}
.brand {
  font-weight: 600;
  letter-spacing: -0.01em;
  text-decoration: none;
  color: var(--ink);
}
nav.top-nav a {
  color: var(--muted);
  text-decoration: none;
  margin-left: 18px;
  font-size: 15px;
}
nav.top-nav a:hover { color: var(--ink); }

main { padding: 56px 0 40px; }

h1 {
  font-size: 38px;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin: 0 0 10px;
}
.lede {
  font-size: 20px;
  color: var(--muted);
  margin: 0 0 28px;
}

h2 {
  font-size: 22px;
  letter-spacing: -0.01em;
  margin: 44px 0 12px;
}

p { margin: 0 0 16px; }

a { color: var(--accent); }

.shot {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--line);
  border-radius: 10px;
  margin: 8px 0 8px;
}

ul.plain {
  list-style: none;
  padding: 0;
  margin: 0 0 16px;
}
ul.plain > li {
  padding: 14px 0;
  border-top: 1px solid var(--line);
}
ul.plain > li:last-child { border-bottom: 1px solid var(--line); }
ul.plain b { font-weight: 600; }

pre {
  background: var(--code-bg);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 14px 16px;
  overflow-x: auto;
  font-size: 14px;
  line-height: 1.5;
  margin: 0 0 16px;
}
code {
  font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
}
p code, li code {
  background: var(--code-bg);
  padding: 1px 5px;
  border-radius: 4px;
  font-size: 0.88em;
}

.note {
  color: var(--faint);
  font-size: 15px;
}

.caveats li { color: var(--muted); }

/* sample output document */
.doc {
  border: 1px solid var(--line);
  border-radius: 10px;
  overflow: hidden;
  margin: 6px 0 10px;
  background: var(--code-bg);
}
.doc .filename {
  font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
  font-size: 13px;
  color: var(--faint);
  padding: 9px 18px;
  border-bottom: 1px solid var(--line);
}
.doc .body { padding: 6px 20px 18px; }
.doc .doc-title { font-size: 19px; font-weight: 600; margin: 14px 0 2px; letter-spacing: -0.01em; }
.doc .meta { color: var(--faint); font-size: 14px; margin: 0 0 6px; }
.doc h3 { font-size: 15px; margin: 18px 0 6px; letter-spacing: 0; }
.doc p { font-size: 15px; margin: 0 0 9px; }
.doc ul { margin: 0 0 10px; padding-left: 20px; }
.doc li { font-size: 15px; margin: 3px 0; color: var(--ink); }
.doc .turn { margin: 0 0 5px; color: var(--muted); }
.doc .turn b { color: var(--ink); font-weight: 600; }
.doc h3 .excerpt-note { color: var(--faint); font-weight: 400; font-size: 13px; }
.doc .more { color: var(--faint); margin: 2px 0 0; }

footer.foot {
  border-top: 1px solid var(--line);
  margin-top: 56px;
  padding: 26px 0 48px;
  color: var(--faint);
  font-size: 15px;
}
footer.foot a { color: var(--muted); text-decoration: none; }
footer.foot a:hover { color: var(--ink); }
footer.foot .links a { margin-right: 16px; }
footer.foot .madeby { margin-top: 12px; }

/* legal pages */
.legal h1 { font-size: 30px; margin-bottom: 6px; }
.legal .updated { color: var(--faint); font-size: 15px; margin-bottom: 32px; }
.legal h2 { font-size: 19px; }
.legal { font-size: 16px; }

@media (max-width: 520px) {
  body { font-size: 16px; }
  h1 { font-size: 30px; }
  main { padding: 40px 0 32px; }
}