/* Long-Form Sidenotes — antjanus.com redesign 034
   Three-column reading layout: contents gutter | text measure | marginalia. */

:root {
  /* primitives: grayscale by design; slate survives only as the focus ring and progress hairline */
  --paper-light: #ffffff;
  --ink-light: #000000;
  --text-light: #1b1b1b;
  --muted-light: #5a5a5a;
  --rule-light: #cccccc;
  --slate-600: #364f6a;
  --gray-100: #f3f3f3;
  --code-light: #f6f6f6;
  --mark-light: #ececec;

  --paper-dark: #161616;
  --ink-dark: #f4f4f4;
  --text-dark: #dedede;
  --muted-dark: #a6a6a6;
  --rule-dark: #444444;
  --slate-300: #9db8d6;
  --gray-900: #232323;
  --code-dark: #1f1f1f;
  --mark-dark: #333333;

  /* semantic */
  --bg: var(--paper-light);
  --ink: var(--ink-light);
  --text: var(--text-light);
  --muted: var(--muted-light);
  --rule: var(--rule-light);
  --accent: var(--ink-light);
  --accent-soft: var(--gray-100);
  --brand: var(--slate-600);
  --code-bg: var(--code-light);
  --mark: var(--mark-light);

  /* layout */
  --measure: 36rem;
  --gap: 2.75rem;
  --margin: 17rem;
  --gutter: 13.5rem;

  --sans: "Source Sans 3", "Helvetica Neue", Arial, sans-serif;
  --serif: "Source Serif 4", "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
  --mono: "IBM Plex Mono", ui-monospace, "SF Mono", Menlo, monospace;

  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: var(--paper-dark);
    --ink: var(--ink-dark);
    --text: var(--text-dark);
    --muted: var(--muted-dark);
    --rule: var(--rule-dark);
    --accent: var(--ink-dark);
    --accent-soft: var(--gray-900);
    --brand: var(--slate-300);
    --code-bg: var(--code-dark);
    --mark: var(--mark-dark);
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: var(--paper-dark);
  --ink: var(--ink-dark);
  --text: var(--text-dark);
  --muted: var(--muted-dark);
  --rule: var(--rule-dark);
  --accent: var(--ink-dark);
  --accent-soft: var(--gray-900);
  --brand: var(--slate-300);
  --code-bg: var(--code-dark);
  --mark: var(--mark-dark);
  color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; scroll-padding-top: 1.5rem; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--serif);
  font-size: 1.125rem;
  line-height: 1.6;
  font-optical-sizing: auto;
  font-variant-numeric: oldstyle-nums proportional-nums;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }

a { color: var(--accent); text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 0.18em; text-decoration-color: color-mix(in srgb, var(--accent) 45%, transparent); }
a:hover { text-decoration-color: currentColor; text-decoration-thickness: 2px; }
:focus-visible { outline: 3px solid var(--brand); outline-offset: 3px; border-radius: 2px; }

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

.sc { font-variant-caps: all-small-caps; letter-spacing: 0.06em; }
.muted { color: var(--muted); }
.mono { font-family: var(--mono); font-size: .88em; }

/* ---------- masthead ---------- */
.masthead {
  max-width: 82rem;
  margin: 0 auto;
  padding: 1.5rem 2rem 1.25rem;
  display: flex;
  align-items: center;
  gap: 1.5rem 2.5rem;
  flex-wrap: wrap;
  border-bottom: 1px solid var(--rule);
}
.wordmark { display: inline-flex; align-items: center; gap: .7rem; color: var(--ink); text-decoration: none; }
.wordmark svg { width: 34px; height: 34px; flex: none; }
.wordmark-text { display: flex; flex-direction: column; line-height: 1.1; }
.wordmark-text b { font-size: 1.3rem; font-weight: 700; letter-spacing: .01em; }
.wordmark-text small { font-size: .875rem; color: var(--muted); font-style: italic; }
.site-nav { flex: 1; }
.site-nav ul { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: .25rem 1.6rem; justify-content: flex-end; }
.site-nav a { color: var(--text); text-decoration: none; font-variant-caps: all-small-caps; letter-spacing: .08em; font-size: 1.2rem; padding: .35rem 0; display: inline-block; border-bottom: 1px solid transparent; }
.site-nav a:hover { color: var(--accent); border-bottom-color: currentColor; }
.site-nav a[aria-current="page"] { color: var(--ink); border-bottom: 2px solid var(--accent); font-weight: 600; }
.theme-toggle {
  font: inherit; font-size: 1rem; background: none; color: var(--text); border: 1px solid var(--rule);
  border-radius: 999px; padding: .45rem .9rem; min-height: 44px; cursor: pointer; display: inline-flex; gap: .45rem; align-items: center;
}
.theme-toggle:hover { border-color: var(--accent); color: var(--accent); }
.theme-toggle svg { width: 18px; height: 18px; }

/* ---------- page shell: contents gutter + document ---------- */
.page {
  max-width: 82rem;
  margin: 0 auto;
  padding: 3rem 2rem 4rem;
  display: grid;
  grid-template-columns: var(--gutter) minmax(0, 1fr);
  gap: 3rem;
}
.contents { position: relative; }
.contents-inner { position: sticky; top: 1.5rem; font-size: 1rem; line-height: 1.45; max-height: calc(100vh - 3rem); overflow: auto; padding-right: .5rem; }
.contents h2 { font-size: 1rem; font-weight: 600; margin: 0 0 .75rem; font-variant-caps: all-small-caps; letter-spacing: .1em; color: var(--muted); }
.contents ol { list-style: none; margin: 0; padding: 0; counter-reset: toc -1; }
.contents li { counter-increment: toc; margin: 0; }
.contents a { display: grid; grid-template-columns: 2.1rem 1fr; padding: .35rem 0 .35rem .6rem; color: var(--text); text-decoration: none; border-left: 2px solid var(--rule); }
.contents a::before { content: "§" counter(toc); color: var(--muted); font-variant-numeric: lining-nums tabular-nums; font-size: .9375rem; }
.contents a:hover { color: var(--accent); border-left-color: var(--accent); }
.contents a[aria-current="true"] { color: var(--ink); border-left-color: var(--accent); font-weight: 600; background: linear-gradient(to right, var(--accent-soft), transparent); }
.contents .sub a { padding-left: 1.4rem; font-size: .9375rem; }
.contents .sub a::before { content: ""; }
.contents .extra { margin-top: 1.5rem; padding-top: 1rem; border-top: 1px solid var(--rule); font-size: .9375rem; color: var(--muted); }
.contents .extra a { display: inline; border: 0; padding: 0; color: var(--accent); text-decoration: underline; }
.contents .extra a::before { content: none; }

/* ---------- document column with marginalia ---------- */
.doc {
  min-width: 0;
  max-width: calc(var(--measure) + var(--gap) + var(--margin));
  counter-reset: sec;
}
.doc > *:not(.full) { margin-inline-end: calc(var(--gap) + var(--margin)); }
.doc > .full { clear: both; }

.doc h1, .doc h2, .doc h3 { color: var(--ink); font-weight: 600; font-optical-sizing: auto; }
.title { font-size: clamp(2.4rem, 4.6vw, 3.6rem); line-height: 1.08; margin: 0 0 1rem; letter-spacing: -0.012em; font-weight: 600; text-wrap: balance; }
.subtitle { font-size: 1.4375rem; font-style: italic; line-height: 1.45; color: var(--text); margin: 0 0 1.5rem; }
.doc h2 { font-size: 2rem; line-height: 1.2; margin: 3.5rem 0 1rem; counter-increment: sec; text-wrap: balance; }
.doc.numbered h2::before { content: "§" counter(sec) " "; color: var(--muted); font-weight: 400; font-variant-numeric: lining-nums; }
.doc h3 { font-size: 1.375rem; line-height: 1.3; margin: 2.25rem 0 .6rem; font-style: italic; font-weight: 600; }
.doc p { margin: 0 0 1.15em; hyphens: auto; }
.doc ul, .doc ol { padding-left: 1.4rem; margin: 0 0 1.2em; }
.doc li { margin: .3em 0; }
.doc hr { border: 0; text-align: center; margin: 3rem auto; height: auto; }
.doc hr::after { content: "⁂"; color: var(--muted); font-size: 1.4rem; letter-spacing: .5em; }

.lede { font-size: 1.25rem; }
.dropcap::first-letter {
  float: left; font-size: 4.4em; line-height: .82; padding: .07em .1em 0 0; color: var(--accent); font-weight: 600; font-variant-numeric: lining-nums;
}
.newthought { font-variant-caps: all-small-caps; letter-spacing: .07em; font-size: 1.08em; color: var(--ink); }

/* metadata block (gwern-style page header) */
.pagemeta {
  font-size: 1rem; line-height: 1.5; color: var(--muted);
  border-top: 1px solid var(--rule); border-bottom: 1px solid var(--rule);
  padding: .8rem 0; margin: 0 0 2rem;
  display: flex; flex-wrap: wrap; gap: .25rem 1.25rem;
}
.pagemeta span { white-space: nowrap; }
.pagemeta b { color: var(--text); font-weight: 600; }
.pagemeta .k { font-variant-caps: all-small-caps; letter-spacing: .08em; }

/* sidenotes and margin notes (Tufte float technique) */
.sidenote, .marginnote {
  float: right; clear: right;
  width: var(--margin);
  margin-right: calc(-1 * (var(--margin) + var(--gap)));
  margin-top: .25rem; margin-bottom: 1rem;
  font-size: .9375rem; line-height: 1.5; color: var(--muted);
  position: relative;
  hyphens: manual;
  font-style: normal; font-weight: 400;
}
.sidenote b, .marginnote b, .sidenote strong, .marginnote strong { color: var(--text); }
.sidenote-number { counter-increment: sidenote; }
.doc { counter-reset: sec sidenote; }
.sidenote-number::after, .sidenote::before {
  font-variant-numeric: lining-nums; font-feature-settings: "lnum";
  color: var(--accent); font-weight: 600;
}
.sidenote-number::after { content: counter(sidenote); font-size: .72em; vertical-align: super; line-height: 0; padding: 0 .1em 0 .05em; }
.sidenote::before { content: counter(sidenote) "\00a0 "; }
.sidenote-number { cursor: default; }
.sidenote.is-lit, .marginnote.is-lit { color: var(--text); }
.sidenote.is-lit::after { content: ""; position: absolute; left: -.9rem; top: .2rem; bottom: .2rem; border-left: 2px solid var(--accent); }
.margin-toggle { display: none; }
.marginnote .label { display: block; font-variant-caps: all-small-caps; letter-spacing: .1em; color: var(--accent); font-weight: 600; font-size: 1.05rem; }
.marginnote.why { border-left: 2px solid var(--accent); padding-left: .8rem; }

figure { margin: 0 0 1.5rem; }
figcaption { font-size: .9375rem; line-height: 1.45; color: var(--muted); font-style: italic; margin-top: .5rem; }
.marginnote img, .margin-figure img { border: 1px solid var(--rule); background: var(--code-bg); }
.marginnote img + span, .marginnote img + figcaption { display: block; margin-top: .4rem; font-style: italic; }
figure.full img { width: 100%; border: 1px solid var(--rule); }

/* epigraph */
.epigraph { margin: 0 0 2.25rem; padding: 0; }
.epigraph blockquote { margin: 0; font-style: italic; font-size: 1.3rem; line-height: 1.45; color: var(--ink); }
.epigraph footer { margin-top: .4rem; font-size: 1rem; color: var(--muted); }
.epigraph footer::before { content: "— "; }

/* inline blockquote (Questions for you) */
.doc blockquote.question {
  margin-block: 1.5rem 1.75rem; margin-inline-start: 0; padding: 1rem 1.25rem; background: var(--accent-soft); border-left: 3px solid var(--accent);
  font-size: 1.0625rem; border-radius: 0 4px 4px 0;
}
.doc blockquote.question .label { display: block; font-variant-caps: all-small-caps; letter-spacing: .1em; color: var(--accent); font-weight: 600; margin-bottom: .2rem; font-size: 1.05rem; }
.doc blockquote.question p { margin: 0; }
.doc blockquote.note { margin-block: 1.5rem; margin-inline-start: 0; padding: 0 0 0 1.25rem; border-left: 2px solid var(--rule); font-style: italic; }

/* code */
code { font-family: var(--mono); font-size: .86em; background: var(--code-bg); padding: .08em .3em; border-radius: 3px; font-variant-numeric: normal; }
.codeblock { clear: right; margin: 1.75rem 0 2rem; border: 1px solid var(--rule); border-radius: 4px; background: var(--code-bg); }
.codeblock-head { display: flex; justify-content: space-between; align-items: center; padding: .15rem .35rem .15rem 1rem; border-bottom: 1px solid var(--rule); font-size: .9375rem; color: var(--muted); }
.codeblock-head .lang { font-variant-caps: all-small-caps; letter-spacing: .1em; }
.copy-btn { font: inherit; font-size: .9375rem; background: none; border: 0; color: var(--accent); cursor: pointer; padding: .55rem .75rem; min-height: 40px; border-radius: 3px; }
.copy-btn:hover { background: var(--bg); text-decoration: underline; }
.codeblock pre { margin: 0; padding: 1rem 1.1rem 1.1rem; overflow-x: auto; font-family: var(--mono); font-size: .9rem; line-height: 1.6; color: var(--ink); tab-size: 2; }
.codeblock pre code { background: none; padding: 0; font-size: inherit; }
.tok-k { font-weight: 600; color: var(--ink); }
.tok-s { color: var(--muted); }
.tok-c { color: var(--muted); font-style: italic; }
.tok-t { text-decoration: underline dotted; text-underline-offset: .2em; }

/* ---------- index entries (lists of writing / projects) ---------- */
.entries { list-style: none; padding: 0 !important; margin-top: 0 !important; margin-bottom: 2rem !important; }
.entry { margin: 0 0 1.6rem !important; padding: 0; }
.entry::after { content: ""; display: block; clear: right; }
.entry-title { font-size: 1.25rem; line-height: 1.3; font-weight: 600; color: var(--ink); display: inline; }
.entry-title a { color: var(--ink); text-decoration-color: var(--rule); }
.entry-title a:hover { color: var(--accent); text-decoration-color: var(--accent); }
.entry p { margin: .3rem 0 0; }
.entry .marginnote { margin-top: .2rem; }
.entry .meta-line { font-variant-caps: all-small-caps; letter-spacing: .07em; color: var(--muted); font-size: 1.0625rem; }
.entry .marginnote img { margin-bottom: .45rem; aspect-ratio: 16 / 9; object-fit: cover; width: 100%; }
.tagrow { display: flex; flex-wrap: wrap; gap: .3rem .5rem; margin-top: .35rem; }
.tag { font-size: .875rem; font-family: var(--mono); color: var(--muted); }
.tag::before { content: "#"; opacity: .7; }
.badge { display: inline-block; font-size: .875rem; font-variant-caps: all-small-caps; letter-spacing: .08em; font-weight: 600; border: 1px solid currentColor; padding: 0 .45rem; border-radius: 3px; color: var(--accent); vertical-align: .15em; margin-left: .35rem; line-height: 1.5; }
.badge.new { background: var(--accent); color: var(--bg); border-color: var(--accent); }

.compact .entry { margin-bottom: .9rem !important; }
.compact .entry-title { font-size: 1.125rem; }

/* definition lists */
.doc dl { margin: 0 0 1.5rem; }
.doc dt { font-weight: 600; color: var(--ink); margin-top: 1rem; }
.doc dd { margin: .15rem 0 0; }

/* stat row (inline figures) */
.figures { display: flex; flex-wrap: wrap; gap: 1.25rem 2.5rem; margin: 0 0 2rem; padding: 1rem 0; border-top: 1px solid var(--rule); border-bottom: 1px solid var(--rule); }
.figures div { display: flex; flex-direction: column; }
.figures b { font-size: 2.1rem; line-height: 1; color: var(--ink); font-variant-numeric: lining-nums; font-weight: 600; }
.figures span { font-size: 1rem; color: var(--muted); font-variant-caps: all-small-caps; letter-spacing: .08em; margin-top: .35rem; }

/* actions */
.actions { display: flex; flex-wrap: wrap; align-items: center; gap: .75rem 1.5rem; margin: 1.5rem 0 2rem; }
.btn { display: inline-flex; align-items: center; min-height: 46px; padding: .55rem 1.2rem; background: var(--ink); color: var(--bg); text-decoration: none; border-radius: 3px; font-weight: 600; border: 1px solid var(--ink); font: inherit; font-weight: 600; cursor: pointer; }
.btn:hover { background: var(--accent); border-color: var(--accent); color: var(--bg); text-decoration: none; }
.btn.ghost { background: transparent; color: var(--ink); }
.btn.ghost:hover { color: var(--bg); }
.link-secondary { font-weight: 600; }
.link-tertiary { color: var(--muted); }

/* filters */
.filterbar { display: flex; flex-wrap: wrap; gap: .5rem; margin: 0 0 1rem; }
.chip { font: inherit; font-size: 1rem; min-height: 40px; padding: .3rem .9rem; border: 1px solid var(--rule); background: transparent; color: var(--text); border-radius: 999px; cursor: pointer; }
.chip:hover { border-color: var(--accent); color: var(--accent); }
.chip[aria-pressed="true"] { background: var(--ink); color: var(--bg); border-color: var(--ink); }
.chip .n { color: inherit; opacity: .7; font-variant-numeric: lining-nums; margin-left: .25rem; }
.searchfield { width: 100%; font: inherit; font-size: 1.0625rem; padding: .75rem 1rem; border: 1px solid var(--rule); border-radius: 3px; background: var(--bg); color: var(--ink); margin-bottom: 1rem; }
.searchfield::placeholder { color: var(--muted); }
.searchfield:focus-visible { outline-offset: 0; }
.status-line { color: var(--muted); font-size: 1rem; margin: 0 0 1.5rem; display: flex; gap: 1rem; align-items: center; flex-wrap: wrap; }
.empty-state { border: 1px dashed var(--rule); padding: 1.5rem; border-radius: 4px; }
.empty-state p { margin: 0 0 .5rem; }
.linkbtn { font: inherit; background: none; border: 0; color: var(--accent); text-decoration: underline; cursor: pointer; padding: .4rem 0; min-height: 40px; }

.year-head { font-size: 1.5rem !important; margin: 2.5rem 0 1rem !important; font-style: normal !important; font-variant-numeric: lining-nums; border-bottom: 1px solid var(--rule); padding-bottom: .3rem; }
.year-head::before { content: none !important; }

/* newsletter */
.newsletter { border-top: 2px solid var(--ink); padding-top: 1.25rem; margin-top: 2.5rem; }
.newsletter h2, .newsletter h3 { margin-top: 0 !important; }
.nl-form { display: flex; flex-wrap: wrap; gap: .6rem; margin-top: .75rem; }
.nl-form label.vh { position: absolute; left: -9999px; }
.nl-form input[type="email"] { flex: 1 1 14rem; font: inherit; font-size: 1.0625rem; padding: .6rem .9rem; min-height: 46px; border: 1px solid var(--rule); border-radius: 3px; background: var(--bg); color: var(--ink); }
.nl-msg { flex-basis: 100%; margin: .25rem 0 0; font-size: 1rem; }
.nl-msg.error { color: #a03227; }
:root[data-theme="dark"] .nl-msg.error { color: #ee8579; }

/* ---------- colophon (footer) ---------- */
.colophon { border-top: 1px solid var(--rule); margin-top: 2rem; }
.colophon-inner { max-width: 82rem; margin: 0 auto; padding: 3rem 2rem 2.5rem; display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.6fr; gap: 2.5rem; font-size: 1rem; }
.colophon h2 { font-size: 1rem; font-variant-caps: all-small-caps; letter-spacing: .12em; color: var(--muted); margin: 0 0 .6rem; font-weight: 600; }
.colophon ul { list-style: none; margin: 0; padding: 0; }
.colophon li a { display: inline-block; padding: .2rem 0; color: var(--text); }
.colophon li a:hover { color: var(--accent); }
.colophon p { margin: 0 0 .75rem; }
.colophon .fine { grid-column: 1 / -1; border-top: 1px solid var(--rule); padding-top: 1.25rem; color: var(--muted); display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; }

/* reading progress */
.progress { position: fixed; top: 0; left: 0; height: 3px; width: 100%; transform-origin: 0 50%; transform: scaleX(0); background: var(--brand); z-index: 20; }

/* ---------- pattern detail ---------- */
.panes { border: 1px solid var(--rule); border-radius: 4px; margin: 1.5rem 0 2rem; clear: both; }
.pane-bar { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: .5rem; border-bottom: 1px solid var(--rule); padding: .25rem .5rem; }
.pane-tabs { display: flex; flex-wrap: wrap; }
.pane-tabs button { font: inherit; font-size: 1rem; background: none; border: 0; border-bottom: 2px solid transparent; color: var(--muted); padding: .6rem .8rem; min-height: 44px; cursor: pointer; }
.pane-tabs button[aria-selected="true"] { color: var(--ink); border-bottom-color: var(--accent); font-weight: 600; }
.pane-tabs button:hover { color: var(--accent); }
.pane { padding: 1.5rem; }
.pane[hidden] { display: none; }
.pane pre { margin: 0; overflow-x: auto; font-family: var(--mono); font-size: .875rem; line-height: 1.6; color: var(--ink); }
.pane.prompt { font-size: 1.0625rem; max-width: 42rem; }
.pane-note { font-size: 1rem; color: var(--muted); margin: 0 0 1rem; font-style: italic; }

/* the hairline stat strip demo itself */
.hss-stage { background: var(--code-bg); padding: 1.25rem; border-radius: 4px; }
.hss-cap { font-size: 1rem; color: var(--muted); margin: 0 0 .6rem; font-style: italic; }
.hss-strip { display: grid; gap: 1px; background: var(--rule); border: 1px solid var(--rule); border-radius: 6px; overflow: hidden; grid-template-columns: 1fr; margin-bottom: 1.5rem; }
@container (min-width: 21rem) { .hss-strip { grid-template-columns: repeat(2, 1fr); } }
@container (min-width: 42rem) { .hss-strip { grid-template-columns: repeat(4, 1fr); } .hss-strip.five { grid-template-columns: repeat(5, 1fr); } }
.hss-stage { container-type: inline-size; }
.hss-tile { background: var(--bg); padding: .8rem 1rem; display: flex; flex-direction: column; min-width: 0; text-align: left; font: inherit; border: 0; color: var(--text); }
.hss-tile .l { font-family: var(--mono); font-size: .8125rem; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); overflow-wrap: anywhere; }
.hss-tile .v { font-size: 1.6rem; font-weight: 700; color: var(--ink); font-variant-numeric: lining-nums tabular-nums; line-height: 1.2; }
.hss-tile .v.none { color: var(--muted); font-weight: 400; }
.hss-tile .u { font-size: .875rem; color: var(--muted); }
button.hss-tile { cursor: pointer; min-height: 44px; }
button.hss-tile:hover { background: color-mix(in srgb, var(--accent) 7%, var(--bg)); }
button.hss-tile[aria-pressed="true"] { background: color-mix(in srgb, var(--accent) 16%, var(--bg)); box-shadow: inset 0 -3px 0 var(--accent); }
button.hss-tile:focus-visible { outline-offset: -3px; }
.hss-list { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--rule); }
.hss-list li { display: flex; justify-content: space-between; gap: 1rem; padding: .55rem 0; border-bottom: 1px solid var(--rule); font-size: 1rem; }
.hss-list li span:last-child { color: var(--muted); font-variant-caps: all-small-caps; letter-spacing: .07em; }
.hss-status { font-size: 1rem; color: var(--muted); margin: .75rem 0 0; }

/* timeline bar (about) */
.career { display: grid; grid-template-columns: repeat(16, 1fr); gap: 2px; margin: .5rem 0 .5rem; font-size: .875rem; }
.career div { background: var(--accent-soft); border-top: 3px solid var(--accent); padding: .45rem .5rem; min-width: 0; line-height: 1.3; }
.career div b { display: block; color: var(--ink); font-size: .9375rem; font-weight: 600; overflow-wrap: anywhere; }
.career div span { color: var(--muted); font-variant-numeric: lining-nums; }

.story-part { font-variant-caps: all-small-caps; letter-spacing: .1em; color: var(--accent); font-weight: 600; font-size: 1.1rem; display: block; }
.forthcoming .entry-title { color: var(--muted); font-style: italic; }

.proverbs { list-style: none; padding: 0 !important; counter-reset: pv; }
.proverbs li { counter-increment: pv; font-style: italic; font-size: 1.25rem; line-height: 1.4; color: var(--ink); margin: 0 0 1rem !important; padding-left: 2.5rem; position: relative; }
.proverbs li::before { content: counter(pv, upper-roman) "."; position: absolute; left: 0; font-style: normal; color: var(--accent); font-size: 1rem; top: .25rem; font-variant-caps: all-small-caps; }

/* ---------- responsive ---------- */
@media (max-width: 1240px) {
  :root { --gutter: 0rem; --margin: 15rem; --gap: 2.25rem; }
  .page { grid-template-columns: minmax(0, 1fr); gap: 0; max-width: 60rem; }
  .contents-inner { position: static; max-height: none; overflow: visible; padding: 0; }
  .contents { margin-bottom: 2rem; border: 1px solid var(--rule); padding: 1rem 1.25rem; border-radius: 4px; max-width: 36rem; }
  .contents ol { display: flex; flex-wrap: wrap; gap: .1rem 1.25rem; }
  .contents a { border-left: 0; padding: .3rem 0; display: inline-grid; grid-template-columns: auto 1fr; gap: .35rem; }
  .contents a[aria-current="true"] { background: none; }
  .contents .sub { display: none; }
  .contents .extra { margin-top: .75rem; padding-top: .6rem; }
}

@media (max-width: 860px) {
  :root { --margin: 0rem; --gap: 0rem; }
  body { font-size: 1.0625rem; }
  .masthead { padding: 1rem 1rem .75rem; gap: .75rem 1rem; }
  .site-nav { order: 3; flex-basis: 100%; }
  .site-nav ul { justify-content: space-between; gap: 0 .6rem; }
  .site-nav a { font-size: 1.0625rem; letter-spacing: .05em; padding: .6rem 0; }
  .theme-toggle { margin-left: auto; }
  .theme-toggle .tlabel { display: none; }
  .page { padding: 2rem 1rem 3rem; }
  .doc > *:not(.full) { margin-inline-end: 0; }
  .sidenote { display: none; }
  .margin-toggle { display: inline; position: absolute; opacity: 0; width: 1px; height: 1px; }
  label.sidenote-number { cursor: pointer; padding: .1rem .15rem; border-radius: 3px; background: var(--accent-soft); }
  label.sidenote-number:has(+ .margin-toggle:focus-visible) { outline: 3px solid var(--accent); outline-offset: 2px; }
  .margin-toggle:checked + .sidenote {
    display: block; float: none; width: auto; margin: .6rem 0 .9rem; padding: .7rem .9rem; background: var(--accent-soft); border-left: 2px solid var(--accent); color: var(--text);
  }
  .marginnote { float: none; width: auto; margin: .5rem 0 1rem; display: block; }
  .marginnote.why { margin: 1rem 0 1.25rem; }
  .entry { display: flex; flex-direction: column; }
  .entry .marginnote { order: 3; margin: .35rem 0 0; }
  .entry .marginnote img { max-width: 20rem; }
  .entry .marginnote.pic img { display: none; }
  .margin-figure.hide-small { display: none; }
  .title { font-size: 2.25rem; }
  .subtitle { font-size: 1.25rem; }
  .doc h2 { font-size: 1.65rem; margin-top: 2.75rem; }
  .colophon-inner { grid-template-columns: 1fr 1fr; padding: 2.5rem 1rem 2rem; gap: 2rem; }
  .colophon-inner > :first-child, .colophon-inner > .nl-col { grid-column: 1 / -1; }
  .career { grid-template-columns: 1fr 1fr; }
  .career div { grid-column: auto !important; }
  .codeblock { margin-left: -1rem; margin-right: -1rem !important; border-left: 0; border-right: 0; border-radius: 0; }
  .figures b { font-size: 1.8rem; }
  .pane { padding: 1rem; }
}

@media (prefers-reduced-motion: no-preference) {
  a, .chip, .btn, .theme-toggle, .contents a, .sidenote, .marginnote { transition: color .15s ease, background-color .15s ease, border-color .15s ease; }
}

@media print {
  .masthead, .contents, .colophon, .progress, .copy-btn { display: none; }
  .page { display: block; }
}

/* late additions */
.eyebrow { font-variant-caps: all-small-caps; letter-spacing: .12em; color: var(--muted); margin: 0 0 .6rem; font-size: 1.1rem; }
img.banner { aspect-ratio: 16 / 5; object-fit: cover; }
.doc .entry-title { margin: 0; font-style: normal; display: block; font-size: 1.25rem; line-height: 1.3; }
.doc .compact .entry-title { font-size: 1.125rem; }
.career { grid-template-columns: minmax(min-content, 3fr) minmax(min-content, 1.2fr) minmax(min-content, 5fr) minmax(min-content, 3fr) minmax(min-content, 1.2fr) minmax(min-content, 1.2fr) minmax(min-content, 1.2fr) minmax(min-content, 1.5fr); }
@media (max-width: 860px) { .career { grid-template-columns: 1fr 1fr; } }
.doc.article > p, .doc.article > ol, .doc.article > ul { font-size: 1.1875rem; line-height: 1.62; }
.doc.article h2 { counter-increment: sec; }
.doc.article h2::before { content: counter(sec) ". "; color: var(--accent); font-weight: 400; font-variant-numeric: lining-nums; }
.doc.article #after h2::before { content: none; }
.pagemeta > span:has(.tag) { white-space: normal; }

/* ---------- gwern layer: sans chrome, link icons, link previews ---------- */
.site-nav a, .theme-toggle, .pagemeta, .eyebrow, .contents h2, .colophon h2, .codeblock-head, .chip, .btn, .status-line, .pane-tabs button, .badge, .figures span, figcaption, .copy-btn {
  font-family: var(--sans);
}
.site-nav a { font-variant-caps: normal; text-transform: none; letter-spacing: .01em; font-size: 1.0625rem; }
.site-nav a[aria-current="page"] { border-bottom-color: var(--ink); }
.masthead { border-bottom: 3px double var(--rule); }
.doc h2 { border-bottom: 1px solid var(--rule); padding-bottom: .3rem; }
.doc h2.year-head, .newsletter h2 { border-bottom: 0; }
.doc hr::after { content: "\2766"; letter-spacing: 0; font-size: 1.5rem; }
.dropcap::first-letter { font-size: 4.6em; font-weight: 400; border: 1px solid var(--ink); padding: .08em .12em .02em; margin: .08em .18em 0 0; line-height: .8; }

/* metadata block: status / confidence, as a bordered epistemic header */
.pagemeta { border: 1px solid var(--rule); border-left: 3px solid var(--ink); padding: .7rem 1rem; font-size: 1rem; }
.pagemeta .k { font-variant-caps: normal; text-transform: uppercase; font-size: .8125rem; letter-spacing: .08em; }

/* link-type icons: say where a link goes before you follow it */
.doc a[href^="http"]:not(.btn)::after, .colophon a[href^="http"]::after {
  font-family: var(--sans); font-size: .8125rem; font-weight: 600; letter-spacing: .02em;
  margin-left: .18em; vertical-align: .35em; line-height: 0; color: var(--muted); text-decoration: none; display: inline-block;
  content: "\2197";
}
.doc a[href*="github.com"]:not(.btn)::after, .colophon a[href*="github.com"]::after { content: "GH"; }
.doc a[href*="youtube.com"]:not(.btn)::after, .colophon a[href*="youtube.com"]::after { content: "\25B6"; }
.doc a[href*="linkedin.com"]:not(.btn)::after, .colophon a[href*="linkedin.com"]::after { content: "in"; }
.doc a[href*="twitter.com"]:not(.btn)::after, .colophon a[href*="twitter.com"]::after { content: "\1D54F"; }
.doc a[href*="antjanus.com"]:not(.btn)::after { content: "AJ"; }
.doc a[href*="instagram.com"]::after { content: "IG"; }
.doc a[href*="anchor.fm"]::after { content: "\1F399\FE0E"; }

/* links that carry a preview get gwern's dotted underline */
a.has-pop { text-decoration-style: dotted; text-decoration-thickness: 1.5px; }
a.has-pop:hover { text-decoration-style: solid; }

.popup {
  position: absolute; z-index: 30; width: min(26rem, calc(100vw - 2rem));
  background: var(--bg); color: var(--text); border: 1px solid var(--ink);
  box-shadow: 4px 4px 0 var(--rule); padding: 0; font-size: 1rem; line-height: 1.5;
}
.popup[hidden] { display: none; }
.popup-bar { display: flex; justify-content: space-between; gap: .75rem; align-items: baseline; padding: .4rem .8rem; border-bottom: 1px solid var(--rule); background: var(--accent-soft); font-family: var(--sans); font-size: .875rem; color: var(--muted); }
.popup-bar b { color: var(--ink); text-transform: uppercase; letter-spacing: .08em; font-size: .8125rem; }
.popup-body { padding: .75rem .9rem .9rem; }
.popup-body strong { display: block; color: var(--ink); font-size: 1.125rem; line-height: 1.3; margin-bottom: .3rem; }
.popup-body p { margin: 0; }
.popup-body .popup-meta { margin-top: .5rem; color: var(--muted); font-size: .9375rem; font-style: italic; }
@media (hover: none) { .popup { display: none !important; } }
@media (prefers-reduced-motion: no-preference) { .popup { animation: pop-in .12s ease-out; } }
@keyframes pop-in { from { opacity: 0; transform: translateY(3px); } to { opacity: 1; transform: none; } }

.status-note { display: inline-block; font-family: var(--sans); font-size: .875rem; border: 1px solid var(--rule); padding: 0 .4rem; color: var(--muted); }