:root {
  color-scheme: light;
  --ink: #1c1915;
  --muted: #5c564c;
  --line: #d9d2c5;
  --paper: #fbf8f3;
  --band: #f3eee4;
  --accent: #3f4f3a;
  --table: #fffdf8;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "Iowan Old Style", Palatino, "Palatino Linotype", Georgia, serif;
  font-size: 1.05rem;
  line-height: 1.55;
}

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

.banner, .site-nav, main, .end-note {
  width: min(48rem, calc(100% - 2rem));
  margin-left: auto;
  margin-right: auto;
}

.banner {
  margin-top: 1rem;
  padding: 0.75rem 1rem;
  background: var(--band);
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--muted);
  font-family: "Segoe UI", Helvetica, Arial, sans-serif;
  font-size: 0.85rem;
  line-height: 1.4;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.25rem;
  margin-top: 0.75rem;
  font-family: "Segoe UI", Helvetica, Arial, sans-serif;
  font-size: 0.92rem;
}

main { padding-bottom: 2rem; }

h1, h2, h3, h4 {
  line-height: 1.25;
  font-weight: 650;
}

h1 { font-size: 2rem; margin-top: 1.4rem; }
h2 { font-size: 1.45rem; margin-top: 2rem; border-top: 1px solid var(--line); padding-top: 0.8rem; }
h3 { font-size: 1.15rem; margin-top: 1.5rem; }

.table-scroll {
  overflow-x: auto;
  margin: 1rem 0 1.4rem;
}

table {
  width: 100%;
  border-collapse: collapse;
  background: var(--table);
  font-variant-numeric: tabular-nums;
  font-size: 0.95rem;
}

th, td {
  border: 1px solid var(--line);
  padding: 0.35rem 0.55rem;
  vertical-align: top;
  text-align: left;
}

th { background: var(--band); font-weight: 650; }

code {
  font-family: ui-monospace, "Cascadia Code", Consolas, monospace;
  font-size: 0.92em;
}

pre {
  overflow-x: auto;
  padding: 0.8rem 1rem;
  background: var(--band);
  border: 1px solid var(--line);
  border-radius: 6px;
}

blockquote {
  margin-left: 0;
  padding-left: 1rem;
  border-left: 3px solid var(--line);
  color: var(--muted);
}

.end-note {
  margin-bottom: 2.5rem;
  color: var(--muted);
  font-family: "Segoe UI", Helvetica, Arial, sans-serif;
  font-size: 0.85rem;
}

.index-group { margin-top: 1.6rem; }
.index-group h2 { border-top: 0; padding-top: 0; font-size: 1.2rem; }
.index-group ul { padding-left: 1.2rem; }