/* Layout: reference-work page. Sticky contents rail on the left, a single ~68ch reading column, argument reconstructions and interdisciplinary asides as the only set-off objects. */
:root {
  --bg: #f7f8f7;
  --surface: #eef2f0;
  --ink: #1b2320;
  --muted: #56625d;
  --rule: #d5ddd9;
  --accent: #1d5a4b;
  --accent-soft: #e2ece8;
  --inter: #855513;
  --inter-soft: #f5ecdd;
  --font-text: "Newsreader", "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
  --font-label: "IBM Plex Sans Condensed", "Arial Narrow", "Helvetica Neue", Arial, sans-serif;
  --measure: 42rem;
  --step--1: 0.875rem;
  --step-0: 1.0625rem;
  --step-1: 1.25rem;
  --step-2: 1.5rem;
  --step-3: 2.4rem;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #111614; --surface: #18201d; --ink: #e2e8e5; --muted: #9ba7a2; --rule: #2b3531;
    --accent: #84c6b1; --accent-soft: #1a2b26; --inter: #e1b56c; --inter-soft: #272116;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #111614; --surface: #18201d; --ink: #e2e8e5; --muted: #9ba7a2; --rule: #2b3531;
  --accent: #84c6b1; --accent-soft: #1a2b26; --inter: #e1b56c; --inter-soft: #272116;
  color-scheme: dark;
}
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body {
  background: var(--bg); color: var(--ink);
  font-family: var(--font-text); font-size: var(--step-0); line-height: 1.62;
  font-optical-sizing: auto;
  padding-inline: 16px; padding-block: 0 4rem;
}
a { color: var(--accent); text-decoration-thickness: 1px; text-underline-offset: 2px; }
a:hover { text-decoration-thickness: 2px; }
a:focus-visible, summary:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 2px; }
.wrap { max-width: 72rem; margin-inline: auto; display: grid; grid-template-columns: 15.5rem minmax(0, 1fr); gap: 3.5rem; }
@media (max-width: 960px) { .wrap { grid-template-columns: minmax(0, 1fr); gap: 0; } }

/* contents rail */
.rail { position: sticky; top: env(safe-area-inset-top, 0px); align-self: start; max-height: 100vh; overflow-y: auto; padding-block: 2.5rem 2rem; font-family: var(--font-label); font-size: 0.8125rem; line-height: 1.35; }
.rail h2 { font-family: var(--font-label); font-size: 0.75rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); margin: 0 0 0.75rem; font-weight: 600; }
.rail ol { list-style: none; margin: 0; padding: 0; display: grid; gap: 0.15rem; }
.rail ol ol { padding-left: 0.9rem; margin-block: 0.15rem 0.35rem; }
.rail a { display: block; padding: 0.2rem 0.5rem; color: var(--muted); text-decoration: none; border-left: 2px solid transparent; }
.rail a:hover { color: var(--ink); }
.rail a.on { color: var(--accent); border-left-color: var(--accent); }
.rail .top > li > a { color: var(--ink); font-weight: 600; }
@media (max-width: 960px) { .rail { display: none; } }

details.toc-mobile { display: none; border-block: 1px solid var(--rule); margin-block: 1.5rem; font-family: var(--font-label); font-size: 0.9rem; }
details.toc-mobile summary { cursor: pointer; padding: 0.7rem 0; font-weight: 600; letter-spacing: 0.04em; text-transform: uppercase; font-size: 0.78rem; }
details.toc-mobile ol { margin: 0 0 1rem; padding-left: 1.2rem; }
details.toc-mobile li { margin-block: 0.2rem; }
@media (max-width: 960px) { details.toc-mobile { display: block; } }

/* article */
main { min-width: 0; padding-block: 2.5rem 0; }
article { max-width: var(--measure); }
.kicker { font-family: var(--font-label); font-size: 0.78rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); margin: 0 0 0.6rem; }
h1 { font-size: var(--step-3); line-height: 1.08; font-weight: 500; margin: 0 0 0.9rem; text-wrap: balance; letter-spacing: -0.01em; }
.pubinfo { font-family: var(--font-label); font-size: 0.82rem; color: var(--muted); border-bottom: 1px solid var(--rule); padding-bottom: 1.1rem; margin-bottom: 1.6rem; display: flex; flex-wrap: wrap; gap: 0.3rem 1.2rem; }
.preamble p:first-child::first-line { font-variant-caps: small-caps; letter-spacing: 0.02em; }
h2 { font-size: var(--step-2); font-weight: 600; line-height: 1.2; margin: 3.2rem 0 1rem; padding-top: 1rem; border-top: 1px solid var(--rule); text-wrap: balance; scroll-margin-top: 1rem; }
h3 { font-size: var(--step-1); font-weight: 600; line-height: 1.25; margin: 2.2rem 0 0.6rem; text-wrap: balance; scroll-margin-top: 1rem; }
h4 { font-family: var(--font-label); font-size: 0.8rem; font-weight: 600; letter-spacing: 0.07em; text-transform: uppercase; color: var(--muted); margin: 1.6rem 0 0.4rem; }
p { margin: 0 0 1rem; hyphens: auto; }
em { font-style: italic; }
ul.plain, ol.plain { padding-left: 1.3rem; margin: 0 0 1rem; }
ul.plain li, ol.plain li { margin-bottom: 0.4rem; }
blockquote { margin: 1rem 0 1.2rem; padding-left: 1rem; border-left: 2px solid var(--rule); color: var(--muted); }
.sn { font-variant-numeric: tabular-nums; color: var(--muted); font-weight: 500; margin-right: 0.35rem; }
.tag-n { font-family: var(--font-label); font-size: 0.82em; }

/* argument reconstructions */
.arg { background: var(--surface); border-radius: 4px; padding: 1rem 1.15rem 0.8rem; margin: 1.1rem 0 1.4rem; }
.arg-title { font-family: var(--font-label); font-size: 0.78rem; letter-spacing: 0.07em; text-transform: uppercase; color: var(--accent); font-weight: 600; margin: 0 0 0.6rem; }
.arg ol { list-style: none; margin: 0; padding: 0; display: grid; gap: 0.45rem; }
.arg li { display: grid; grid-template-columns: 3rem minmax(0, 1fr); gap: 0.4rem; line-height: 1.5; }
.arg li > b { font-family: var(--font-label); font-weight: 600; font-size: 0.85rem; color: var(--muted); font-variant-numeric: tabular-nums; padding-top: 0.12rem; }
.arg li.c > b { color: var(--accent); }
.arg li.c > span { font-weight: 500; }
.arg .src { font-family: var(--font-label); font-size: 0.78rem; color: var(--muted); margin: 0.7rem 0 0; }

/* interdisciplinary aside */
.inter { border: 1px solid var(--inter); border-left-width: 4px; background: var(--inter-soft); border-radius: 4px; padding: 0.9rem 1.15rem 0.4rem; margin: 1.4rem 0 1.6rem; }
.inter .lab { font-family: var(--font-label); font-size: 0.74rem; letter-spacing: 0.08em; text-transform: uppercase; font-weight: 600; color: var(--inter); margin: 0 0 0.45rem; display: flex; flex-wrap: wrap; gap: 0.2rem 0.6rem; }
.inter .lab span + span::before { content: "·"; margin-right: 0.6rem; }
.inter h4 { color: var(--ink); margin-top: 0.4rem; }
section.interdisciplinary > h2::after { content: "Interdisciplinary"; display: inline-block; margin-left: 0.7rem; font-family: var(--font-label); font-size: 0.7rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--inter); border: 1px solid var(--inter); border-radius: 3px; padding: 0.05rem 0.4rem; vertical-align: 0.3rem; }

/* tables */
.tbl { overflow-x: auto; margin: 1.2rem 0 1.6rem; border-block: 1px solid var(--rule); }
table { border-collapse: collapse; width: 100%; font-size: 0.93rem; line-height: 1.4; min-width: 38rem; }
th, td { text-align: left; vertical-align: top; padding: 0.55rem 0.7rem 0.55rem 0; border-bottom: 1px solid var(--rule); }
th { font-family: var(--font-label); font-size: 0.75rem; letter-spacing: 0.06em; text-transform: uppercase; color: var(--muted); font-weight: 600; }
tr:last-child td { border-bottom: 0; }
td:first-child { font-weight: 600; }
.caption { font-family: var(--font-label); font-size: 0.8rem; color: var(--muted); margin: -0.9rem 0 1.6rem; }

/* bibliography */
.bib { list-style: none; padding: 0; margin: 0 0 1.4rem; display: grid; gap: 0.55rem; font-size: 0.95rem; line-height: 1.45; }
.bib li { padding-left: 1.6rem; text-indent: -1.6rem; scroll-margin-top: 1rem; }
.bib li:target { background: var(--accent-soft); border-radius: 3px; }
.bib .lk { font-family: var(--font-label); font-size: 0.8rem; white-space: nowrap; }
.bib .flag { font-family: var(--font-label); font-size: 0.72rem; letter-spacing: 0.04em; text-transform: uppercase; color: var(--inter); }
.cols { columns: 2 16rem; column-gap: 2rem; padding-left: 1.2rem; }
.cols li { break-inside: avoid; margin-bottom: 0.35rem; }
footer.endnote { margin-top: 3rem; padding-top: 1.2rem; border-top: 1px solid var(--rule); font-family: var(--font-label); font-size: 0.85rem; color: var(--muted); line-height: 1.5; }
footer.endnote p { margin-bottom: 0.7rem; }

/* site chrome: masthead and home page */
.masthead { max-width: 72rem; margin-inline: auto; padding-block: 0.9rem; border-bottom: 1px solid var(--rule); font-family: var(--font-label); font-size: 0.82rem; letter-spacing: 0.08em; text-transform: uppercase; font-weight: 600; }
.masthead a { color: var(--ink); text-decoration: none; }
.masthead a:hover { color: var(--accent); }
.home { max-width: var(--measure); margin-inline: auto; padding-block: 3.5rem 0; }
.home h1 { margin-bottom: 1.1rem; }
.home .lede { font-size: var(--step-1); line-height: 1.5; color: var(--muted); margin-bottom: 2.6rem; }
.home h2 { margin-top: 0; }
.entries { list-style: none; margin: 0; padding: 0; }
.entries li { padding-block: 1rem; border-bottom: 1px solid var(--rule); }
.entries a { font-size: var(--step-1); font-weight: 600; text-decoration: none; }
.entries a:hover { text-decoration: underline; }
.entries p { margin: 0.3rem 0 0; color: var(--muted); font-size: 0.97rem; }
.entries .meta { font-family: var(--font-label); font-size: 0.8rem; }