/* Hallmark · macrostructure: Long Document · genre: editorial · theme: Almanac · tone: analytical · anchor: monetary red · enrichment: Tier-A CSS dual-track · nav: N3 · footer: Ft4 */
/* Hallmark · pre-emit critique: P5 H5 E5 S5 R5 V5 */
/* Hallmark · contrast: pass (40–41) · nav: N3 · footer: Ft4 · slop: pass (42–45) · honest: pass (46) · chrome: pass (47) · tokens: pass (48) · responsive: pass (49) · icons: pass (30) · mobile: pass (34, 49, 50–57) */
@import url("./tokens.css");

* { box-sizing: border-box; }
html { scroll-behavior: smooth; overflow-x: clip; background: var(--color-paper); }
body {
  margin: 0;
  min-height: 100vh;
  overflow-x: clip;
  background: var(--color-paper);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.72;
  text-rendering: optimizeLegibility;
}
body, button { font-family: var(--font-body); }
a { color: inherit; text-decoration-color: var(--color-accent); text-decoration-thickness: 0.08em; text-underline-offset: 0.2em; }
a, button { outline: 2px solid transparent; outline-offset: 1px; }
a:active { text-decoration-thickness: 0.14em; }
a[aria-disabled="true"] { opacity: 0.55; cursor: not-allowed; pointer-events: none; }
a:focus-visible, button:focus-visible { outline: 2px solid var(--color-focus); outline-offset: 1px; }
button { color: inherit; }
svg { display: block; max-width: 100%; }

.skip-link {
  position: fixed;
  inset-block-start: var(--space-md);
  inset-inline-start: var(--space-md);
  z-index: var(--z-tooltip);
  padding: var(--space-sm) var(--space-md);
  background: var(--color-ink);
  color: var(--color-paper);
  transform: translateY(-180%);
}
.skip-link:focus { transform: translateY(0); }

.nav-rail { display: none; }
.mobile-bar {
  position: sticky;
  inset-block-start: 0;
  z-index: var(--z-sticky);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-sm);
  min-height: 3.5rem;
  padding: var(--space-xs) var(--space-md);
  border-block-end: var(--rule-thin) solid var(--color-rule);
  background: var(--color-paper);
}
.mobile-brand {
  min-width: 0;
  overflow: hidden;
  font-family: var(--font-display);
  font-weight: 800;
  text-decoration: none;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.mobile-actions { display: flex; gap: var(--space-xs); }
.icon-button {
  display: inline-grid;
  place-items: center;
  min-width: 2.75rem;
  min-height: 2.75rem;
  padding: var(--space-xs);
  border: var(--rule-thin) solid var(--color-rule-strong);
  border-radius: var(--radius-control);
  background: var(--color-panel);
  color: var(--color-ink);
  cursor: pointer;
  white-space: nowrap;
  transition: transform var(--dur-micro) var(--ease-out), background-color var(--dur-short) var(--ease-out);
}
.icon-button:active { transform: translateY(1px); }
.icon-button:disabled, .icon-button[aria-disabled="true"] { opacity: 0.55; cursor: not-allowed; }
.icon-button[aria-busy="true"] { cursor: progress; }
.icon-button[data-state="error"] { border-style: dashed; color: var(--color-error); }
.icon-button[data-state="success"]::after { content: " ✓"; color: var(--color-success); }

.chapter-strip {
  display: none;
  padding: var(--space-md);
  border-block-end: var(--rule-thin) solid var(--color-rule);
  background: var(--color-paper-2);
}
.chapter-strip[data-open="true"] { display: block; }
.chapter-strip ul { display: grid; gap: var(--space-xs); margin: 0; padding: 0; list-style: none; }
.chapter-strip a {
  display: flex;
  align-items: center;
  min-height: 2.75rem;
  padding-inline: var(--space-sm);
  border-block-end: var(--rule-thin) solid var(--color-rule);
  font-size: var(--text-sm);
  font-weight: 700;
  text-decoration: none;
  white-space: nowrap;
}
.chapter-strip a[aria-current="page"] { color: var(--color-accent); }

.page-shell { width: min(100%, var(--content)); margin-inline: auto; padding: var(--space-xl) var(--space-md) var(--space-3xl); }
.breadcrumb {
  display: flex;
  gap: var(--space-xs);
  align-items: center;
  margin-block-end: var(--space-xl);
  color: var(--color-muted);
  font-size: var(--text-sm);
}
.breadcrumb a { white-space: nowrap; }
.hero {
  display: grid;
  gap: var(--space-lg);
  padding-block: var(--space-lg) var(--space-2xl);
  border-block-end: var(--rule-heavy) solid var(--color-ink);
}
.hero-copy { min-width: 0; }
.edition {
  margin: 0 0 var(--space-md);
  color: var(--color-accent);
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
h1, h2, h3 {
  min-width: 0;
  margin: 0;
  overflow-wrap: anywhere;
  color: var(--color-ink);
  font-family: var(--font-display);
  font-style: normal;
}
h1 { max-width: 11ch; font-size: var(--text-display); font-weight: 800; line-height: 1.02; letter-spacing: -0.04em; }
h2 { font-size: var(--text-xl); font-weight: 800; line-height: 1.18; letter-spacing: -0.02em; }
h3 { font-size: var(--text-md); font-weight: 800; line-height: 1.3; }
.dek { max-width: 38ch; margin: 0; color: var(--color-ink-soft); font-family: var(--font-display); font-size: var(--text-md); line-height: 1.5; }

.market-tape {
  display: grid;
  gap: var(--space-md);
  align-content: end;
  padding-block-start: var(--space-md);
  font-variant-numeric: tabular-nums;
}
.tape-row { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: var(--space-md); align-items: center; }
.tape-line { position: relative; height: var(--rule-heavy); background: var(--color-rule); }
.tape-line::after { content: ""; position: absolute; inset: -0.2rem auto -0.2rem 0; width: var(--tape, 50%); background: var(--color-secondary); }
.tape-row:last-child .tape-line::after { background: var(--color-accent); }
.tape-label { color: var(--color-muted); font-family: var(--font-body); font-size: var(--text-xs); white-space: nowrap; }
.tape-note { margin: 0; color: var(--color-muted); font-size: var(--text-sm); }

.content-grid { display: grid; gap: var(--space-2xl); margin-block-start: var(--space-2xl); }
.local-index {
  align-self: start;
  padding-block-end: var(--space-lg);
  border-block-end: var(--rule-thin) solid var(--color-rule);
  color: var(--color-muted);
  font-size: var(--text-sm);
}
.local-index strong { display: block; margin-block-end: var(--space-sm); color: var(--color-ink); }
.local-index ol { display: grid; gap: var(--space-xs); margin: 0; padding-inline-start: var(--space-lg); }
.local-index a { white-space: nowrap; }
.prose { min-width: 0; max-width: var(--measure); }
.prose > section { scroll-margin-block-start: var(--space-3xl); margin-block-end: var(--space-3xl); }
.prose > section:nth-of-type(even) { padding-block-start: var(--space-xl); border-block-start: var(--rule-thin) solid var(--color-rule); }
.prose h2 { margin-block-end: var(--space-lg); }
.prose h3 { margin-block: var(--space-xl) var(--space-sm); }
.prose p { margin: 0 0 var(--space-lg); }
.prose .lead { font-family: var(--font-display); font-size: var(--text-md); font-weight: 500; line-height: 1.62; }
.prose dfn { font-style: normal; font-weight: 700; text-decoration: underline dotted var(--color-accent); text-underline-offset: 0.2em; }
.prose ul, .prose ol { margin: 0 0 var(--space-lg); padding-inline-start: var(--space-lg); }
.prose li + li { margin-block-start: var(--space-sm); }
.source-note { color: var(--color-muted); font-size: var(--text-sm); }

.ledger {
  margin-block: var(--space-xl);
  border-block: var(--rule-heavy) solid var(--color-ink);
  font-variant-numeric: tabular-nums;
}
.ledger-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: var(--space-md);
  padding-block: var(--space-sm);
  border-block-end: var(--rule-thin) solid var(--color-rule);
}
.ledger-row:last-child { border-block-end: 0; font-weight: 700; }
.ledger-row dt, .ledger-row dd { margin: 0; }
.ledger-row dd { font-family: var(--font-outlier); text-align: end; }
.ledger .loss { color: var(--color-accent); }
.ledger .gain { color: var(--color-secondary); }

.callout {
  margin-block: var(--space-xl);
  padding: var(--space-lg) 0;
  border-block: var(--rule-thin) solid var(--color-accent);
}
.callout h3 { margin-block-end: var(--space-sm); color: var(--color-accent); }
.callout p:last-child { margin-block-end: 0; }
.boundary {
  margin-block: var(--space-xl);
  padding: var(--space-lg);
  border: var(--rule-thin) solid var(--color-rule-strong);
  background: var(--color-panel);
  color: var(--color-ink-soft);
}
.boundary strong { color: var(--color-ink); }

.flow {
  display: grid;
  gap: 0;
  margin-block: var(--space-xl);
  padding: 0;
  border-block: var(--rule-heavy) solid var(--color-ink);
  list-style: none;
}
.flow li { position: relative; padding: var(--space-md) var(--space-xs); border-block-end: var(--rule-thin) solid var(--color-rule); }
.flow li:last-child { border-block-end: 0; }
.flow strong { display: block; color: var(--color-accent); font-family: var(--font-display); }

.signal-list { display: grid; gap: var(--space-lg); margin-block: var(--space-xl); }
.signal { padding-block-start: var(--space-sm); border-block-start: var(--rule-thin) solid var(--color-rule-strong); }
.signal dt { color: var(--color-secondary); font-family: var(--font-display); font-size: var(--text-md); font-weight: 800; }
.signal dd { margin: var(--space-xs) 0 0; }

.source-list { display: grid; gap: var(--space-xl); margin-block: var(--space-xl); }
.source-item { padding-block-start: var(--space-sm); border-block-start: var(--rule-thin) solid var(--color-rule); }
.source-item h2 { margin-block-end: var(--space-sm); font-size: var(--text-md); }
.source-item p { margin-block-end: var(--space-sm); }

.chapter-nav {
  display: grid;
  gap: var(--space-sm);
  margin-block-start: var(--space-3xl);
  padding-block-start: var(--space-lg);
  border-block-start: var(--rule-heavy) solid var(--color-ink);
}
.chapter-nav a {
  display: block;
  min-width: 0;
  min-height: 2.75rem;
  padding: var(--space-sm) var(--space-md);
  border: var(--rule-thin) solid var(--color-rule);
  background: var(--color-paper-2);
  font-weight: 700;
  text-decoration: none;
  white-space: nowrap;
}
.chapter-nav a span { color: var(--color-muted); font-size: var(--text-sm); }

.site-footer {
  border-block-start: var(--rule-heavy) solid var(--color-ink);
  background: var(--color-paper-2);
  color: var(--color-ink-soft);
}
.foot-dense { width: min(100%, var(--content)); margin-inline: auto; padding: var(--space-xl) var(--space-md); }
.foot-dense p { max-width: 90ch; margin: 0; font-family: var(--font-body); font-size: var(--text-xs); line-height: 1.7; }
.foot-dense a { white-space: nowrap; }

@media (hover: hover) and (pointer: fine) {
  a:hover { color: var(--color-accent); }
  .icon-button:hover { background: var(--color-paper-2); }
  .chapter-nav a:hover { border-color: var(--color-accent); }
}

@media (min-width: 40rem) {
  .page-shell { padding-inline: var(--space-xl); }
  .hero { grid-template-columns: minmax(0, 1.35fr) minmax(15rem, 0.65fr); align-items: end; }
  .chapter-nav { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .chapter-nav a:last-child { text-align: end; }
  .flow { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .flow li { border-inline-end: var(--rule-thin) solid var(--color-rule); }
  .flow li:nth-child(2n) { border-inline-end: 0; }
}

@media (min-width: 60rem) {
  body { padding-inline-start: var(--space-2xl); }
  .mobile-bar { display: none; }
  .chapter-strip {
    display: block;
    border-block: var(--rule-thin) solid var(--color-rule);
    background: var(--color-paper);
  }
  .chapter-strip ul { grid-template-columns: repeat(5, auto); justify-content: center; gap: var(--space-lg); }
  .chapter-strip a { padding-inline: 0; border: 0; }
  .nav-rail {
    position: fixed;
    inset: 0 auto 0 0;
    z-index: var(--z-sticky);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-between;
    width: 4rem;
    padding-block: var(--space-lg);
    border-inline-end: var(--rule-thin) solid var(--color-rule);
    background: var(--color-paper-2);
  }
  .rail-wordmark { writing-mode: vertical-rl; font-family: var(--font-outlier); font-size: var(--text-xs); font-weight: 700; letter-spacing: 0.1em; text-decoration: none; }
  .rail-dots { display: grid; gap: var(--space-sm); margin: 0; padding: 0; list-style: none; }
  .rail-dots a { display: block; width: 0.65rem; height: 0.65rem; border: var(--rule-thin) solid var(--color-rule-strong); background: var(--color-paper); text-indent: -999rem; }
  .rail-dots a[aria-current="page"] { background: var(--color-accent); }
  .rail-theme { writing-mode: vertical-rl; min-width: 2.75rem; }
  .content-grid { grid-template-columns: minmax(10rem, 0.34fr) minmax(0, 1fr); gap: var(--space-3xl); }
  .local-index { position: sticky; inset-block-start: var(--space-xl); border-block-end: 0; }
  .chapter-nav { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .chapter-nav a:last-child { text-align: end; }
  .foot-dense { padding-inline: var(--space-xl); }
}

@media (pointer: coarse) {
  a, button { min-height: 2.75rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 150ms !important; animation-iteration-count: 1 !important; transition-duration: 150ms !important; }
}

@media print {
  .nav-rail, .mobile-bar, .chapter-strip, .chapter-nav, .skip-link { display: none !important; }
  body { padding: 0; background: var(--color-paper); color: var(--color-ink); }
  .page-shell { width: auto; padding: 0; }
  .content-grid { display: block; }
  .local-index { display: none; }
  .prose { max-width: none; }
}