:root {
  --bg: #fbfaf7;
  --panel: #f2efe8;
  --ink: #23221f;
  --muted: #65625a;
  --line: #dcd7cb;
  --accent: #0f6b5c;
  --you: #a4470f;
  --you-bg: #fbeee2;
  --code-bg: #efece4;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #171714;
    --panel: #201f1b;
    --ink: #ece9e1;
    --muted: #a5a196;
    --line: #38362f;
    --accent: #58c4ad;
    --you: #f0a56c;
    --you-bg: #33241a;
    --code-bg: #26251f;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 17px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
a { color: var(--accent); }
.skip { position: absolute; left: -999px; }
.skip:focus { left: 16px; top: 8px; background: var(--panel); padding: 6px 10px; z-index: 2; }

.shell { display: grid; grid-template-columns: 240px minmax(0, 1fr); min-height: 100vh; }
.side {
  background: var(--panel);
  border-right: 1px solid var(--line);
  padding: 28px 20px;
  position: sticky;
  top: 0;
  align-self: start;
  height: 100vh;
}
.brand { display: block; font-weight: 700; font-size: 18px; color: var(--ink); text-decoration: none; margin-bottom: 24px; }
.brand span { color: var(--accent); }
nav ul { list-style: none; margin: 0; padding: 0; }
nav a { display: block; padding: 7px 10px; border-radius: 6px; color: var(--ink); text-decoration: none; font-size: 15.5px; }
nav a:hover { background: var(--line); }
nav a[aria-current] { background: var(--accent); color: var(--bg); font-weight: 600; }

main { max-width: 800px; padding: 44px 48px 60px; width: 100%; }
h1 { font-size: 36px; line-height: 1.15; margin: 0 0 14px; letter-spacing: -0.01em; }
h2 { font-size: 24px; line-height: 1.25; margin: 44px 0 10px; }
h3 { font-size: 19px; margin: 32px 0 8px; }
h4 { font-size: 16px; margin: 0 0 6px; }
.lead { font-size: 19.5px; line-height: 1.5; color: var(--muted); margin-top: 0; }
p, ul, ol { margin: 0 0 14px; }
li { margin-bottom: 5px; }

code { font: 0.88em ui-monospace, "Cascadia Code", Consolas, Menlo, monospace; background: var(--code-bg); padding: 1px 5px; border-radius: 4px; overflow-wrap: anywhere; }
pre { background: var(--code-bg); border-radius: 8px; padding: 12px 14px; overflow-x: auto; margin: 0 0 14px; }
pre code { background: none; padding: 0; overflow-wrap: normal; }

.wide { overflow-x: auto; margin: 0 0 16px; }
table { border-collapse: collapse; width: 100%; font-size: 15.5px; }
th, td { text-align: left; vertical-align: top; padding: 8px 10px; border-bottom: 1px solid var(--line); }
th { font-size: 13.5px; color: var(--muted); font-weight: 600; }
td code { overflow-wrap: normal; white-space: nowrap; }
.wide table { min-width: 560px; }

.note { border-left: 3px solid var(--accent); background: var(--panel); padding: 12px 16px; margin: 0 0 16px; border-radius: 0 6px 6px 0; }
.note p:last-child { margin-bottom: 0; }

.loop { list-style: none; margin: 18px 0 8px; padding: 0; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 8px; }
.loop li { margin: 0; background: var(--panel); border: 1px solid var(--line); border-radius: 8px; padding: 10px 12px; font-size: 15px; line-height: 1.35; }
.loop b { display: block; }
.loop .you { background: var(--you-bg); border-color: var(--you); }
.loop .you b { color: var(--you); }
.key { font-size: 14.5px; color: var(--muted); }
.key span { color: var(--you); font-weight: 600; }

.setting { border-top: 1px solid var(--line); padding: 16px 0 6px; scroll-margin-top: 12px; }
.setting dl { display: grid; grid-template-columns: 96px minmax(0, 1fr); gap: 2px 12px; font-size: 15px; margin: 0 0 12px; }
.setting dt { color: var(--muted); }
.setting dd { margin: 0; }
.qa { border-top: 1px solid var(--line); padding-top: 4px; }

footer { margin-top: 56px; padding-top: 14px; border-top: 1px solid var(--line); color: var(--muted); font-size: 14px; }

@media (max-width: 860px) {
  body { font-size: 16.5px; }
  .shell { display: block; }
  .side { position: static; height: auto; border-right: 0; border-bottom: 1px solid var(--line); padding: 14px 16px; }
  .brand { margin-bottom: 8px; }
  nav ul { display: flex; flex-wrap: wrap; gap: 2px 4px; }
  nav a { padding: 5px 8px; font-size: 14.5px; }
  main { padding: 26px 16px 44px; }
  h1 { font-size: 29px; }
  .loop { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}