:root {
  --paper: #eef0ea; --ink: #1d2422; --muted: #5d6863; --line: #cfd6cf; --accent: #1f5f5b;
  --panel: #e3e8e1; --chip: #d6ded6; --good: #2f6b3a; --warn: #8a6200; --bad: #9b2f25;
  --serif: "Alegreya", "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
  --sans: "Alegreya Sans", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper: #131a19; --ink: #e2e8e3; --muted: #97a39d; --line: #2b3533; --accent: #6fc0b6;
    --panel: #1a2322; --chip: #243030; --good: #86c48f; --warn: #e0b04a; --bad: #e98b7c;
  }
}
:root[data-theme="dark"] {
  --paper: #131a19; --ink: #e2e8e3; --muted: #97a39d; --line: #2b3533; --accent: #6fc0b6;
  --panel: #1a2322; --chip: #243030; --good: #86c48f; --warn: #e0b04a; --bad: #e98b7c;
}
body { background: var(--paper); color: var(--ink); font-family: var(--serif); font-size: 1.07rem; line-height: 1.62; margin: 0; }
.wrap { max-width: 64rem; margin: 0 auto; padding-inline: 1.1rem; padding-block: 0 4rem; }
nav.top { position: sticky; top: env(safe-area-inset-top, 0px); z-index: 5; background: var(--paper); border-bottom: 1px solid var(--line); font-family: var(--sans); font-size: 0.85rem; }
nav.top .wrap { display: flex; flex-wrap: wrap; gap: 0.2rem 0.9rem; padding-block: 0.55rem; }
nav.top a { color: var(--muted); text-decoration: none; }
nav.top a:hover { color: var(--accent); }
a { color: var(--accent); }
a.name { color: inherit; text-decoration: underline; text-decoration-color: var(--line); text-underline-offset: 0.18em; }
a.name:hover { text-decoration-color: var(--accent); color: var(--accent); }
h1, h2, h3, h4 { font-weight: 700; line-height: 1.25; text-wrap: balance; }
a:focus-visible, summary:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
h1 { font-size: clamp(2rem, 6vw, 3.2rem); margin: 2.5rem 0 0.3rem; letter-spacing: 0.01em; }
h2 { font-size: 1.75rem; margin: 3.2rem 0 1rem; padding-top: 1rem; border-top: 1px solid var(--line); }
h3 { font-size: 1.2rem; margin: 2rem 0 0.6rem; }
section { scroll-margin-top: 3.2rem; }
[id] { scroll-margin-top: 3.4rem; }
.lede { color: var(--muted); font-size: 1.15rem; margin: 0 0 1.5rem; font-style: italic; }
.small { font-family: var(--sans); font-size: 0.82rem; color: var(--muted); }
.cover-stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(9rem, 1fr)); gap: 0.6rem; margin: 1.5rem 0; font-family: var(--sans); }
.cover-stats div { background: var(--panel); border: 1px solid var(--line); border-radius: 6px; padding: 0.6rem 0.8rem; }
.cover-stats b { display: block; font-size: 1.5rem; font-family: var(--serif); }
.toc { list-style: none; padding: 0; margin: 1rem 0; }
.toc li { padding: 0.45rem 0; border-bottom: 1px dotted var(--line); display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; }
.chapter { display: grid; grid-template-columns: minmax(0, 1fr); gap: 1.5rem; }
@media (min-width: 900px) { .chapter { grid-template-columns: minmax(0, 1fr) 16rem; } .chapter aside { position: sticky; top: 3.6rem; align-self: start; } }
.chapter .text p { margin: 0 0 1em; text-align: justify; hyphens: auto; }
.chapter .text p:first-child::first-letter { font-size: 3.1em; float: left; line-height: 0.85; padding: 0.06em 0.08em 0 0; color: var(--accent); }
aside.sidebar { background: var(--panel); border: 1px solid var(--line); border-radius: 6px; padding: 0.9rem 1rem; font-family: var(--sans); font-size: 0.85rem; line-height: 1.45; }
aside.sidebar h4 { margin: 0 0 0.5rem; font-family: var(--serif); font-size: 1rem; }
aside.sidebar dl { margin: 0; display: grid; grid-template-columns: auto 1fr; gap: 0.25rem 0.7rem; }
aside.sidebar dt { color: var(--muted); }
aside.sidebar dd { margin: 0; text-align: right; font-variant-numeric: lining-nums tabular-nums; }
.cover-stats b, .headlines .when, table.plain td.n { font-variant-numeric: lining-nums tabular-nums; }
.eras-of { font-family: var(--sans); font-size: 0.85rem; margin-top: 0.5rem; }
.era { padding: 0.7rem 0; border-bottom: 1px dotted var(--line); }
.era h4 { margin: 0 0 0.25rem; font-size: 0.95rem; font-family: var(--sans); color: var(--muted); font-weight: 600; }
.era p { margin: 0; }
.era.quiet p { color: var(--muted); }
details { margin: 0.8rem 0; }
summary { cursor: pointer; font-family: var(--sans); font-size: 0.95rem; color: var(--accent); }
.headlines { list-style: none; padding: 0; margin: 0; }
.headlines li { display: grid; grid-template-columns: 4.2rem 1fr auto; gap: 0.6rem; padding: 0.35rem 0; border-bottom: 1px dotted var(--line); align-items: baseline; }
.headlines .when { font-family: var(--sans); font-size: 0.78rem; color: var(--muted); }
.headlines .why-link { font-family: var(--sans); font-size: 0.78rem; white-space: nowrap; }
.imp-5 .text { font-weight: 700; } .imp-4 .text { font-weight: 600; } .imp-2 .text { color: var(--muted); }
.dots { color: var(--accent); letter-spacing: -0.1em; font-size: 0.7rem; margin-right: 0.3rem; }
.index-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(17rem, 1fr)); gap: 0.4rem 1.2rem; font-family: var(--sans); font-size: 0.86rem; }
.index-grid .entry { padding: 0.3rem 0; border-bottom: 1px dotted var(--line); }
article.bio { border-left: 3px solid var(--accent); padding: 0.1rem 0 0.1rem 1rem; margin: 1.6rem 0; }
article.bio h3 { margin: 0 0 0.2rem; }
article.bio .meta { font-family: var(--sans); font-size: 0.82rem; color: var(--muted); margin-bottom: 0.5rem; }
.tag { display: inline-block; font-family: var(--sans); font-size: 0.72rem; background: var(--chip); border-radius: 999px; padding: 0.05rem 0.5rem; margin: 0 0.15rem; color: var(--ink); }
.tree, .tree ul { list-style: none; padding-left: 1.1rem; margin: 0.2rem 0; border-left: 1px solid var(--line); }
.tree { border-left: none; padding-left: 0; font-family: var(--sans); font-size: 0.88rem; }
.tree li { margin: 0.2rem 0; }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: 6px; padding: 0.8rem 1rem; margin: 1rem 0; }
.card h3 { margin-top: 0; }
.motto { font-style: italic; color: var(--muted); }
.credit { padding: 0.8rem 0; border-bottom: 1px dotted var(--line); }
.credit .who { font-family: var(--sans); font-size: 0.82rem; color: var(--muted); }
.outcome { font-family: var(--sans); font-size: 0.72rem; border-radius: 999px; padding: 0.05rem 0.55rem; border: 1px solid currentColor; margin-left: 0.4rem; }
.outcome.applied { color: var(--good); } .outcome.translated { color: var(--warn); } .outcome.rejected { color: var(--bad); }
.why { background: var(--panel); border: 1px solid var(--line); border-radius: 6px; padding: 0.4rem 1rem 0.8rem; margin: 1.2rem 0; font-size: 0.95rem; }
.why h3 { font-size: 1.05rem; }
.why ol, .why ul { padding-left: 1.2rem; }
.why-event { margin: 0.4rem 0 0.2rem; }
.why-id { font-family: var(--sans); font-size: 0.75rem; color: var(--muted); margin-right: 0.3rem; }
.why-chance { margin: 0 0 0.3rem; font-family: var(--sans); font-size: 0.85rem; }
.why-root { font-family: var(--sans); font-size: 0.88rem; }
.why-facts { font-family: var(--sans); font-size: 0.82rem; color: var(--muted); }
.why-cause { font-family: var(--sans); font-size: 0.75rem; }
.table-wrap { overflow-x: auto; }
table.why-numbers { border-collapse: collapse; font-family: var(--sans); font-size: 0.82rem; margin: 0.3rem 0 0.6rem; min-width: 16rem; }
table.why-numbers caption { text-align: left; font-weight: 600; padding-bottom: 0.2rem; }
table.why-numbers td { border-top: 1px solid var(--line); padding: 0.15rem 0.6rem 0.15rem 0; }
table.why-numbers td.n { text-align: right; font-variant-numeric: tabular-nums; }
table.why-numbers tr.total td { font-weight: 700; }
table.plain { border-collapse: collapse; font-family: var(--sans); font-size: 0.86rem; width: 100%; }
table.plain th, table.plain td { text-align: left; border-bottom: 1px solid var(--line); padding: 0.3rem 0.5rem 0.3rem 0; vertical-align: top; }
table.plain td.n { text-align: right; font-variant-numeric: tabular-nums; }
.site-head { border-bottom: 1px solid var(--line); font-family: var(--sans); font-size: 0.85rem; }
.lang-switch { margin-left: auto; }
.crumbs { font-family: var(--sans); font-size: 0.82rem; color: var(--muted); margin: 1.2rem 0 0; }
.pager { display: flex; justify-content: space-between; gap: 1rem; font-family: var(--sans); font-size: 0.9rem; margin: 2rem 0 1rem; flex-wrap: wrap; }
.spark { width: 100%; max-width: 28rem; height: auto; display: block; margin: 0.4rem 0; }
.spark path { fill: none; stroke: var(--accent); stroke-width: 1.6; vector-effect: non-scaling-stroke; }
.spark .axis { stroke: var(--line); stroke-width: 1; vector-effect: non-scaling-stroke; }
.hero-video { width: 100%; max-width: 30rem; border-radius: 6px; border: 1px solid var(--line); display: block; margin: 1rem 0; background: #000; }
.links-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(11rem, 1fr)); gap: 0.6rem; margin: 1rem 0; font-family: var(--sans); }
.links-grid a { display: block; background: var(--panel); border: 1px solid var(--line); border-radius: 6px; padding: 0.7rem 0.9rem; text-decoration: none; }
.links-grid a:hover { border-color: var(--accent); }
footer.site { margin-top: 3rem; padding-top: 1rem; border-top: 1px solid var(--line); }

.facts { display: grid; grid-template-columns: auto 1fr; gap: 0.3rem 1rem; margin: 0; font-family: var(--sans); font-size: 0.9rem; }
.facts dt { color: var(--muted); }
.facts dd { margin: 0; }