/* Holdout field manual. Same "night survey" style as the homepage (website/landing.html): ink-dark
   ground, Fraunces headings, IBM Plex Sans/Mono, the game's gold as the one signal colour, and
   light survey sheets for the notes. Class names are unchanged from the earlier style; the ticker,
   tape, pins and stains are toned down to quiet cartographic equivalents. */
:root {
  color-scheme: dark;
  --ink-0: #0b0f0d;
  --ink-1: #101613;
  --ink-2: #161e1a;
  --rule: #25302a;
  --rule-2: #36443c;
  --text: #ebe6da;
  --text-2: #b3b6a7;
  --text-3: #8a9083;
  --signal: #d9a441;
  --signal-hi: #f0c064;
  --sage: #8fae96;
  --herd: #d86a52;
  --paper: #ebe5d6;
  --paper-ink: #1b1f1c;
  --paper-ink-2: #545a50;
  --paper-rule: #cbc2ab;
  --signal-deep: #7f5310;
  --serif: 'Fraunces', 'Iowan Old Style', 'Georgia', serif;
  --sans: 'IBM Plex Sans', 'Segoe UI', system-ui, sans-serif;
  --mono: 'IBM Plex Mono', ui-monospace, 'Consolas', monospace;
  --gutter: clamp(16px, 4vw, 48px);
  --toc-w: 260px;
  /* old names, kept so inline styles in the manual still resolve */
  --caution: var(--signal);
  --flare: var(--signal);
  --moss: var(--sage);
  --bone: var(--text);
  --muted: var(--text-3);
  --night: var(--ink-0);
  --night-2: var(--ink-1);
  --line: var(--rule);
  --blood: var(--herd);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 76px; -webkit-text-size-adjust: 100%; }
html, body { overflow-x: clip; }
body { margin: 0; background: var(--ink-0); color: var(--text); font: 400 17px/1.65 var(--sans); -webkit-font-smoothing: antialiased; }
a { color: var(--signal-hi); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--text); }
:focus-visible { outline: 2px solid var(--signal); outline-offset: 3px; border-radius: 2px; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } *, *::before, *::after { animation: none !important; transition: none !important; } }

h1, h2, h3 { font-family: var(--serif); font-weight: 400; letter-spacing: -0.02em; line-height: 1.05; margin: 0; text-wrap: balance; }
h1 { font-size: clamp(48px, 7vw, 96px); letter-spacing: -0.03em; line-height: 1; }
h1 em, h2 em { font-style: italic; font-weight: 300; color: var(--signal); }
h2 { font-size: clamp(34px, 4.4vw, 54px); margin-bottom: 16px; }
h3 { font-size: 26px; font-weight: 500; letter-spacing: -0.01em; margin: 38px 0 10px; color: var(--text); }
h4 { font: 600 17px/1.35 var(--sans); margin: 22px 0 6px; color: var(--signal); }
p { margin: 0 0 12px; }
ul, ol { margin: 0 0 14px; padding-left: 22px; }
li { margin: 3px 0; }
li::marker { color: var(--text-3); }
b, strong { color: var(--text); font-weight: 600; }
small { color: var(--text-3); }
code { font: 500 0.86em var(--mono); background: var(--ink-2); padding: 1px 5px; border: 1px solid var(--rule); border-radius: 3px; }
kbd { font: 500 12.5px/1 var(--mono); border: 1px solid var(--rule-2); border-bottom-width: 2px; border-radius: 4px; padding: 3px 6px; background: var(--ink-2); color: var(--text); white-space: nowrap; }
.eyebrow { font: 500 12px/1.3 var(--mono); letter-spacing: 0.14em; text-transform: uppercase; color: var(--text-3); margin-bottom: 14px; }
.note { font: italic 300 22px/1.25 var(--serif); color: var(--signal); }

/* the broadcast strip: a quiet radio line under the page top */
.ebs { background: var(--ink-1); color: var(--text-3); font: 400 12px/1 var(--mono); letter-spacing: 0.1em; text-transform: uppercase; overflow: hidden; white-space: nowrap; border-bottom: 1px solid var(--rule); }
.ebs .run { display: inline-block; padding-block: 9px; padding-left: 100%; animation: ticker 90s linear infinite; }
.ebs b { color: var(--signal); font-weight: 500; margin-right: 14px; }
.ebs b::before { content: ''; display: inline-block; width: 6px; height: 6px; border-radius: 50%; background: var(--sage); margin-right: 8px; vertical-align: 1px; }
@keyframes ticker { to { transform: translateX(-100%); } }
@media (prefers-reduced-motion: reduce) { .ebs .run { padding-left: var(--gutter); } }

/* top bar */
.bar { position: sticky; top: 0; z-index: 30; background: color-mix(in srgb, var(--ink-0) 84%, transparent); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); border-bottom: 1px solid var(--rule); }
.bar .in { display: flex; align-items: center; gap: 20px; height: 60px; padding: 0 var(--gutter); max-width: 1400px; margin: 0 auto; }
.mark { font: 500 22px/1 var(--serif); letter-spacing: -0.01em; text-decoration: none; color: var(--text); }
.mark span { color: var(--signal); font-style: italic; font-weight: 300; }
.bar nav { display: flex; gap: 22px; margin-left: auto; flex-wrap: wrap; align-items: center; }
.bar nav a { font: 500 12px var(--mono); letter-spacing: 0.12em; text-transform: uppercase; text-decoration: none; color: var(--text-3); }
.bar nav a:hover, .bar nav a[aria-current] { color: var(--text); }
.btn { display: inline-flex; align-items: center; gap: 10px; font: 500 14px/1 var(--sans); text-decoration: none; padding: 10px 16px; border-radius: 3px; border: 1px solid var(--signal); color: #1a1406; background: var(--signal); }
.btn:hover { background: var(--signal-hi); border-color: var(--signal-hi); color: #1a1406; }
.bar nav a.btn { color: #1a1406; letter-spacing: 0.02em; text-transform: none; font: 500 14px/1 var(--sans); }
.bar nav a.btn:hover { color: #1a1406; }
.toc-toggle { display: none; white-space: nowrap; font: 500 12px var(--mono); letter-spacing: .08em; background: none; color: var(--text); border: 1px solid var(--rule-2); border-radius: 3px; padding: 7px 10px; cursor: pointer; }

/* layout: sticky table of contents + chapters */
.layout { display: grid; grid-template-columns: var(--toc-w) minmax(0, 1fr); gap: clamp(20px, 3.5vw, 56px); max-width: 1400px; margin: 0 auto; padding: 0 var(--gutter); }
.toc { position: sticky; top: 60px; align-self: start; max-height: calc(100vh - 60px); overflow-y: auto; padding: 28px 8px 40px 0; border-right: 1px solid var(--rule); }
.toc .eyebrow { margin-bottom: 12px; }
.toc ol { list-style: none; padding: 0; margin: 0; counter-reset: ch; }
.toc > ol > li { counter-increment: ch; margin: 1px 0; }
.toc > ol > li > a::before { content: counter(ch, decimal-leading-zero); display: inline-block; width: 26px; font: 500 11px var(--mono); color: var(--text-3); }
.toc a { display: block; text-decoration: none; color: var(--text-2); font: 400 14.5px/1.35 var(--sans); padding: 5px 8px; border-left: 2px solid transparent; }
.toc a:hover { color: var(--text); }
.toc a.on { color: var(--text); border-left-color: var(--signal); background: rgba(217, 164, 65, 0.07); }
.toc a.on::before { color: var(--signal) !important; }
.toc ol ol { padding-left: 26px; margin: 2px 0 8px; }
.toc ol ol a { font-size: 13px; padding: 3px 8px; color: var(--text-3); }
.toc ol ol a:hover, .toc ol ol a.on { color: var(--text); }
main { min-width: 0; padding-bottom: 80px; }
@media (max-width: 980px) {
  .layout { grid-template-columns: 1fr; }
  .toc { position: fixed; top: 60px; left: 0; bottom: 0; width: min(320px, 86vw); max-height: none; z-index: 40; background: var(--ink-1); border-right: 1px solid var(--rule); padding-left: var(--gutter); transform: translateX(-105%); transition: transform .25s; }
  .toc.open { transform: none; box-shadow: 20px 0 50px #000b; }
  .toc-toggle { display: inline-block; }
  .bar nav a.hide-sm { display: none; }
}
@media (max-width: 520px) {
  .bar .in { gap: 12px; }
  .mark { font-size: 20px; }
  .bar nav { flex-wrap: nowrap; gap: 10px; }
  .bar nav a:not(.btn) { display: none; }
}

/* hero */
.hero { position: relative; padding: clamp(44px, 7vw, 96px) 0 36px; border-bottom: 1px solid var(--rule); margin-bottom: 8px; }
.hero .eyebrow { color: var(--signal) !important; }
.hero .lede { font-size: clamp(18px, 1.7vw, 20px); color: var(--text-2); max-width: 720px; margin-top: 22px; }
.hero .meta { font: 400 13px/1.6 var(--mono); color: var(--text-3); margin-top: 16px; max-width: 720px; }

/* chapters */
section.ch { padding: 64px 0 16px; border-bottom: 1px solid var(--rule); }
section.ch > .eyebrow::before { content: attr(data-n) '  ·  '; color: var(--signal); white-space: pre; }
.lead { font-size: 19px; color: var(--text-2); max-width: 780px; }
.cols { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 18px 32px; }

/* the old "tape" dividers: now a hairline with a small mono caption, like a map's section line */
.tape { position: relative; display: flex; align-items: center; gap: 16px; margin: 30px 0; height: auto; }
.tape::before, .tape::after { content: ''; flex: 1; height: 1px; background: var(--rule-2); }
.tape span { position: static; display: block; transform: none; background: none; box-shadow: none; height: auto; overflow: visible; }
.tape span i { font: 500 11px/1 var(--mono); letter-spacing: 0.2em; text-transform: uppercase; color: var(--text-3); font-style: normal; background: none; padding: 0; white-space: nowrap; }
.tape.r span { transform: none; }

/* notes: light survey sheets */
.paper { background: var(--paper); color: var(--paper-ink); position: relative; padding: 22px 26px 18px; margin: 24px 0; border: 1px solid var(--paper-rule); box-shadow: 0 24px 50px -28px rgba(0, 0, 0, .8); }
.paper::before { content: ''; position: absolute; top: -1px; left: -1px; width: 14px; height: 14px; border-top: 2px solid var(--signal-deep); border-left: 2px solid var(--signal-deep); pointer-events: none; }
.paper::after { content: ''; position: absolute; bottom: -1px; right: -1px; width: 14px; height: 14px; border-bottom: 2px solid var(--signal-deep); border-right: 2px solid var(--signal-deep); pointer-events: none; }
.paper > * { position: relative; }
.paper p, .paper li { color: var(--paper-ink); }
.paper b, .paper strong { color: #0e110f; }
.paper h4 { color: var(--signal-deep); margin-top: 0; font: 500 21px/1.25 var(--serif); letter-spacing: -0.01em; }
.paper a { color: var(--signal-deep); }
.paper small { color: var(--paper-ink-2); }
.paper li::marker { color: var(--signal-deep); }
.paper code { background: #0000000a; border-color: var(--paper-rule); color: var(--paper-ink); }
.paper kbd { border-color: #b3a98e; background: #fffaf0; color: var(--paper-ink); }
.paper .pin, .paper .stain { display: none; }
.paper.tilt, .paper.tilt2 { transform: none; }
.hand { font: italic 300 22px/1.25 var(--serif); color: var(--signal-deep); }

/* callouts */
.warn { border: 1px solid rgba(216, 106, 82, .45); border-left: 3px solid var(--herd); background: rgba(216, 106, 82, .07); padding: 12px 16px; margin: 16px 0; }
.warn b:first-child { color: #f0a08e; }
.tip { border-left: 2px solid var(--sage); padding: 4px 0 4px 16px; margin: 14px 0; color: var(--text-2); }
.pending { border: 1px dashed var(--rule-2); padding: 12px 16px; margin: 16px 0; color: var(--signal); font: 400 14px/1.55 var(--mono); }

/* tables */
.tscroll { overflow-x: auto; margin: 14px 0 22px; border: 1px solid var(--rule); }
table.data { width: 100%; border-collapse: collapse; font-size: 14.5px; line-height: 1.45; }
table.data th { text-align: left; font: 500 11.5px/1.2 var(--mono); letter-spacing: 0.1em; text-transform: uppercase; color: var(--text-3); background: var(--ink-1); padding: 10px 12px; position: sticky; top: 0; white-space: nowrap; border-bottom: 1px solid var(--rule-2); }
table.data td { padding: 8px 12px; border-top: 1px solid var(--rule); vertical-align: top; font-variant-numeric: tabular-nums; color: var(--text-2); }
table.data td:first-child { color: var(--text); }
table.data tr:hover td { background: rgba(217, 164, 65, 0.04); }
table.data td small { color: var(--text-3); }
table.keys td:first-child { white-space: nowrap; width: 1%; }
.paper table.data th { background: #e2dac6; color: var(--paper-ink-2); border-color: var(--paper-rule); }
.paper table.data td { border-color: var(--paper-rule); color: var(--paper-ink); }
.paper .tscroll { border-color: var(--paper-rule); }

/* footer */
footer { border-top: 1px solid var(--rule); padding: 32px var(--gutter) 40px; color: var(--text-3); font: 400 13px/1.6 var(--mono); display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; max-width: 1400px; margin: 0 auto; }

/* figures (screenshots) */
.figs { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(300px, 100%), 1fr)); gap: 18px; margin: 20px 0 10px; }
.figs figure { margin: 0; display: grid; gap: 8px; }
.figs img { width: 100%; height: auto; display: block; border: 1px solid var(--rule-2); padding: 6px; background: var(--ink-1); }
.figs figcaption { font: 400 12.5px/1.45 var(--mono); color: var(--text-3); }

/* thin, quiet scrollbars everywhere: transparent track, the accent at 40%, 80% while the container is hovered */
* { scrollbar-width: thin; scrollbar-color: rgba(217, 164, 65, 0.4) transparent; }
*:hover { scrollbar-color: rgba(217, 164, 65, 0.8) transparent; }
::-webkit-scrollbar { width: 8px; height: 8px; background: transparent; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(217, 164, 65, 0.4); border-radius: 8px; border: 2px solid transparent; background-clip: padding-box; }
:hover::-webkit-scrollbar-thumb { background: rgba(217, 164, 65, 0.8); background-clip: padding-box; }
::-webkit-scrollbar-corner { background: transparent; }