:root {
  color-scheme: light;
  --bg: #f4f1ea;
  --ink: #1b1b18;
  --muted: #5c5a55;
  --card: #fff;
  --accent: #0f6e56;
  --line: #d9d4c8;
  --code-bg: #1b1b18;
  --code-ink: #f4f1ea;
  --nav-w: 16.5rem;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, sans-serif;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.55;
}

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

.skip {
  position: absolute;
  left: -999px;
  top: 0;
}
.skip:focus {
  left: 1rem;
  top: 1rem;
  background: var(--card);
  padding: .5rem .75rem;
  z-index: 10;
}

.top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: .85rem 1.25rem;
  background: var(--card);
  border-bottom: 1px solid var(--line);
}

.brand {
  font-weight: 800;
  color: var(--ink);
  text-decoration: none;
}

.brand span {
  display: block;
  font-weight: 500;
  color: var(--muted);
  font-size: .8rem;
}

.layout {
  display: grid;
  grid-template-columns: var(--nav-w) minmax(0, 1fr);
  min-height: calc(100vh - 3.6rem);
}

nav.side {
  background: var(--card);
  border-right: 1px solid var(--line);
  padding: 1rem;
}

nav.side a {
  display: block;
  color: var(--ink);
  text-decoration: none;
  padding: .4rem .55rem;
  border-radius: 8px;
  font-weight: 600;
}

nav.side a:hover,
nav.side a[aria-current="page"] {
  background: var(--bg);
  color: var(--accent);
}

main {
  padding: 1.5rem 1.75rem 3rem;
  max-width: 52rem;
}

h1 { font-size: 1.7rem; margin: 0 0 1rem; }
h2 { font-size: 1.2rem; margin: 1.75rem 0 .6rem; }
h3 { font-size: 1.05rem; margin: 1.25rem 0 .4rem; }

h2, h3 {
  scroll-margin-top: 1rem;
}

p, li { max-width: 46rem; }

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

pre, code { font-family: ui-monospace, SFMono-Regular, Consolas, monospace; }

code {
  background: #ece8df;
  padding: .1rem .3rem;
  border-radius: 4px;
  font-size: .92em;
}

pre {
  background: var(--code-bg);
  color: var(--code-ink);
  padding: 1rem;
  border-radius: 10px;
  overflow-x: auto;
}

pre code {
  background: transparent;
  color: inherit;
  padding: 0;
}

table {
  width: 100%;
  border-collapse: collapse;
  background: var(--card);
  margin: 1rem 0;
}

th, td {
  text-align: left;
  padding: .55rem .6rem;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}

.footer {
  margin-top: 2.5rem;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: .9rem;
}

.menu-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: .4rem .7rem;
  font: inherit;
  font-weight: 700;
}

@media (max-width: 860px) {
  .layout { grid-template-columns: 1fr; }
  nav.side { display: none; border-right: 0; border-bottom: 1px solid var(--line); }
  body.nav-open nav.side { display: block; }
  .menu-toggle { display: inline-block; }
  main { padding: 1.1rem 1rem 2.5rem; }
}