/* Shared by every page: colors, the site header, the theme switch, and article layout. */
:root {
  --bg: #f2f4f1;
  --panel: #fbfcfa;
  --ink: #16211d;
  --muted: #45524c;
  --line: #d5dbd6;
  --edge: #76847d;
  --accent: #0e6a52;
  --accent-ink: #ffffff;
  --warn: #8a5a00;
  --warn-bg: #f6ead0;
  --bad: #9a3324;
  --bad-bg: #f5ded9;
  --good-bg: #d9eee6;
  --sans: "IBM Plex Sans", "Segoe UI", system-ui, sans-serif;
  --mono: "IBM Plex Mono", Consolas, "Cascadia Mono", monospace;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #111715; --panel: #18201d; --ink: #e4ebe7; --muted: #a6b5ae; --line: #2b3732; --edge: #70807a;
    --accent: #4fc3a1; --accent-ink: #06231b; --warn: #e6b85c; --warn-bg: #3a2e12;
    --bad: #f0988a; --bad-bg: #3d1f1a; --good-bg: #163a30;
    color-scheme: dark;
  }
  :root:not([data-theme="light"]) .logo .l { display: none; }
  :root:not([data-theme="light"]) .logo .d { display: block; }
}
:root[data-theme="dark"] {
  --bg: #111715; --panel: #18201d; --ink: #e4ebe7; --muted: #a6b5ae; --line: #2b3732; --edge: #70807a;
  --accent: #4fc3a1; --accent-ink: #06231b; --warn: #e6b85c; --warn-bg: #3a2e12;
  --bad: #f0988a; --bad-bg: #3d1f1a; --good-bg: #163a30;
  color-scheme: dark;
}
:root[data-theme="dark"] .logo .l { display: none; }
:root[data-theme="dark"] .logo .d { display: block; }

* { box-sizing: border-box; }
html, body { margin: 0; }
body { background: var(--bg); color: var(--ink); font: 15px/1.5 var(--sans); padding: 0 16px 48px; }

.site-head { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 24px; max-width: 1480px; margin: 0 auto; padding: 14px 0; border-bottom: 1px solid var(--line); margin-bottom: 20px; }
.logo { display: block; line-height: 0; }
.logo img { height: 44px; width: auto; display: block; }
.logo .d { display: none; }
.site-nav { display: flex; flex-wrap: wrap; gap: 4px 18px; margin-left: auto; font-size: 14.5px; }
.site-nav a { color: var(--muted); text-decoration: none; padding: 4px 0; border-bottom: 2px solid transparent; }
.site-nav a:hover { color: var(--ink); }
.site-nav a[aria-current="page"] { color: var(--ink); border-bottom-color: var(--accent); }
#themeBtn { font: 600 13px var(--sans); padding: 5px 12px; min-height: 28px; border-radius: 999px; border: 1px solid var(--edge); background: var(--panel); color: var(--ink); cursor: pointer; }
#themeBtn:focus-visible, .site-nav a:focus-visible, .doc a:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

.skip { position: absolute; left: -9999px; top: 8px; z-index: 10; padding: 8px 14px; background: var(--accent); color: var(--accent-ink); border-radius: 4px; font-weight: 600; }
.skip:focus { left: 16px; }
@media (prefers-reduced-motion: reduce) { * { transition: none !important; animation: none !important; scroll-behavior: auto !important; } }

/* Article pages */
.doc { max-width: 74ch; margin: 0 auto; font-size: 16.5px; line-height: 1.65; }
.doc h1 { font: 600 30px/1.2 var(--sans); letter-spacing: -0.01em; margin: 18px 0 10px; text-wrap: balance; }
.doc .lede { font-size: 18.5px; color: var(--muted); margin: 0 0 26px; }
.doc h2 { font: 600 21px/1.3 var(--sans); margin: 36px 0 8px; text-wrap: balance; }
.doc h3 { font: 600 16.5px/1.4 var(--sans); margin: 22px 0 4px; }
.doc p { margin: 0 0 14px; }
.doc ul, .doc ol { margin: 0 0 16px; padding-left: 22px; }
.doc li { margin-bottom: 6px; }
.doc a { color: var(--accent); }
.doc code, .doc .name { font: 0.92em var(--mono); background: var(--panel); border: 1px solid var(--line); border-radius: 4px; padding: 1px 5px; }
.doc .cta { display: inline-block; margin: 6px 0 4px; padding: 10px 18px; border-radius: 4px; background: var(--accent); color: var(--accent-ink); font-weight: 600; text-decoration: none; }
.doc .note { background: var(--panel); border: 1px solid var(--line); border-radius: 6px; padding: 12px 16px; margin: 0 0 18px; }
.doc table { width: 100%; border-collapse: collapse; margin: 0 0 18px; font-size: 15px; }
.doc th, .doc td { text-align: left; vertical-align: top; padding: 7px 10px; border-bottom: 1px solid var(--line); }
.doc th { font-size: 12px; text-transform: uppercase; letter-spacing: 0.06em; color: var(--muted); }
.tablewrap { overflow-x: auto; }
.site-foot { max-width: 1480px; margin: 40px auto 0; padding-top: 16px; border-top: 1px solid var(--line); color: var(--muted); font-size: 13.5px; display: flex; flex-wrap: wrap; gap: 6px 18px; }
.site-foot a { color: var(--ink); }
.site-foot span { margin-right: auto; }