/* Event-Structure Dictionary — working-paper canvas
   Cream page, ink type, Merge / Agree / Move / filter stamps. */

@import url('https://fonts.googleapis.com/css2?family=EB+Garamond:ital,wght@0,400;0,500;0,600;0,700;1,400;1,500&family=Noto+Sans+JP:wght@400;500;600&family=Noto+Sans+SC:wght@400;500;600&family=Source+Sans+3:ital,wght@0,400;0,500;0,600;0,700;1,400&display=swap');

:root {
  --paper: #f4efe3;
  --sheet: #fbf7ee;
  --ink: #1c1814;
  --ink-soft: #3a342c;
  --rule: #1c1814;
  --hair: #cfc4b0;
  --muted: #5e564c;
  --faint: #7a7166;

  --green: #1c5c38;
  --teal: #0e5f64;
  --violet: #533d78;
  --red: #8d2b24;
  --gold: #7a5a1e;

  /* Names kept so older markup still resolves */
  --ink-elevated: #fbf7ee;
  --ink-border: #cfc4b0;
  --ink-soft-bg: #efe8d8;
  --text: var(--ink);
  --text-muted: var(--ink-soft);
  --text-faint: var(--faint);
  --cinnabar: var(--red);
  --cinnabar-soft: #a33b32;
  --indigo: var(--teal);
  --indigo-bright: #1a4f73;
  --celadon: var(--green);
  --gold-bright: #8d6a28;
  --seal: var(--red);

  --font-serif: "EB Garamond", "Palatino Linotype", Palatino, Georgia, serif;
  --font-sans: "Source Sans 3", "Helvetica Neue", system-ui, sans-serif;
  --font-jp: "Noto Sans JP", "Source Sans 3", sans-serif;

  --measure: 40rem;
  --measure-wide: 58rem;
  --page: 68rem;
  --radius: 0;
}

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

html {
  font-size: 18px;
  scroll-behavior: smooth;
  color-scheme: light;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-serif);
  font-weight: 400;
  line-height: 1.55;
  font-feature-settings: "kern", "liga", "onum";
}

:lang(ja), .ja, ruby {
  font-family: var(--font-jp);
  line-height: 1.75;
}

:lang(zh), .zh {
  font-family: "Noto Sans SC", var(--font-jp), sans-serif;
  line-height: 1.7;
}

a { color: var(--indigo-bright); }
a:hover { color: var(--red); }

.wrap {
  width: min(100% - 2.5rem, var(--page));
  margin-inline: auto;
}

.skip {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--sheet);
  color: var(--ink);
  padding: 0.45rem 0.8rem;
  z-index: 100;
  font-family: var(--font-sans);
  font-size: 0.85rem;
  border: 1px solid var(--ink);
}
.skip:focus { left: 0.5rem; top: 0.5rem; }

/* —— Masthead —— */
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: var(--paper);
  border-bottom: 3px solid var(--ink);
  box-shadow: 0 1px 0 #fff, 0 2px 0 var(--ink);
}

.site-header::before {
  content: "Working paper series  ·  Event-Structure Dictionary  ·  Speculation flagged";
  display: block;
  width: min(100% - 2.5rem, var(--page));
  margin: 0.45rem auto 0;
  font-family: var(--font-sans);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}

.site-header .inner {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem 1.5rem;
  padding: 0.55rem 0 0.7rem;
  flex-wrap: wrap;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  text-decoration: none;
  color: var(--ink);
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 1.15rem;
  letter-spacing: 0;
}

.brand-mark {
  width: 0.7rem;
  height: 0.7rem;
  background: var(--ink);
  flex-shrink: 0;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.15rem 0.9rem;
  list-style: none;
  margin: 0;
  padding: 0;
  font-family: var(--font-sans);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.nav a {
  color: var(--ink-soft);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  padding-bottom: 0.1rem;
}

.nav a:hover,
.nav a:focus-visible {
  color: var(--ink);
  border-bottom-color: var(--ink);
  outline: none;
}

.nav a[aria-current="page"] {
  color: var(--ink);
  border-bottom-color: var(--red);
}

/* —— Rules —— */
.ink-rule,
.ink-rule--thin {
  border: 0;
  height: 0;
  margin: 1.75rem 0;
  border-top: 1px solid var(--ink);
}

.ink-rule { border-top-width: 2px; }

/* —— Titles —— */
.hero,
.page-header {
  padding: 1.75rem 0 0.5rem;
}

.hero-kicker,
.series-kicker,
.section-label {
  font-family: var(--font-sans);
  font-size: 0.72rem;
  font-weight: 650;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--red);
  margin: 0 0 0.45rem;
}

.hero h1,
.page-header h1 {
  font-family: var(--font-serif);
  font-weight: 600;
  letter-spacing: -0.015em;
  line-height: 1.05;
  margin: 0 0 0.7rem;
  color: var(--ink);
}

.hero h1 { font-size: clamp(2.3rem, 5vw, 3.3rem); max-width: 16ch; }
.page-header h1 { font-size: clamp(1.9rem, 4vw, 2.7rem); max-width: 22ch; }

.hero-lede,
.page-header .deck {
  font-size: 1.15rem;
  font-style: italic;
  color: var(--ink-soft);
  max-width: 40rem;
  margin: 0;
  line-height: 1.45;
}

.hero-meta {
  font-family: var(--font-sans);
  font-size: 0.78rem;
  color: var(--muted);
  margin: 0.8rem 0 0;
}

.badge-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin: 0.9rem 0 0;
}

.badge,
.tag {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 0.64rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.12rem 0.4rem;
  border: 1px solid var(--ink);
  background: transparent;
  color: var(--ink);
  vertical-align: middle;
}

.badge--live,
.tag--real { color: var(--green); border-color: var(--green); }
.badge--seed,
.badge--open,
.tag--open,
.tag--project { color: var(--gold); border-color: var(--gold); }
.badge--scout,
.tag--spec,
.tag--reject { color: var(--red); border-color: var(--red); }

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin-top: 1.15rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-decoration: none;
  padding: 0.5rem 0.85rem;
  border: 1px solid var(--ink);
  color: var(--ink);
  background: transparent;
}

.btn--primary {
  background: var(--ink);
  color: var(--paper);
}

.btn--primary:hover,
.btn--ghost:hover,
.btn:hover {
  background: var(--red);
  border-color: var(--red);
  color: #fff;
}

main { padding-bottom: 3rem; }

/* —— Prose —— */
.prose { max-width: var(--measure); }
.prose-wide { max-width: var(--measure-wide); }

.prose p,
.prose-wide p { margin: 0 0 0.9rem; }

h2,
.prose h2,
.prose-wide h2,
.cluster-block > h2,
.lang-block > h2 {
  font-family: var(--font-serif);
  font-size: 1.45rem;
  font-weight: 600;
  margin: 1.8rem 0 0.55rem;
  padding-top: 0.35rem;
  border-top: 1px solid var(--ink);
  letter-spacing: -0.01em;
}

.prose h3,
.prose-wide h3 {
  font-family: var(--font-sans);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink);
  margin: 1.35rem 0 0.4rem;
}

.prose ul,
.prose ol,
.prose-wide ul,
.prose-wide ol {
  margin: 0 0 0.9rem;
  padding-left: 1.25rem;
}

.prose li,
.prose-wide li { margin-bottom: 0.3rem; }

.prose blockquote,
.prose-wide blockquote {
  margin: 1.1rem 0;
  padding: 0.2rem 0 0.2rem 1rem;
  border-left: 3px solid var(--ink);
  font-style: italic;
  color: var(--ink);
}

.prose blockquote cite,
.prose-wide blockquote cite {
  display: block;
  margin-top: 0.4rem;
  font-family: var(--font-sans);
  font-size: 0.72rem;
  font-style: normal;
  font-weight: 650;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
}

.formula {
  font-family: var(--font-serif);
  font-size: 1.08rem;
  font-style: italic;
  color: var(--ink);
}

code, .prose code {
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  font-size: 0.84em;
  background: var(--ink-soft-bg);
  padding: 0.05em 0.28em;
  color: var(--ink);
}

.prose pre {
  font-family: ui-monospace, Menlo, Consolas, monospace;
  font-size: 0.78rem;
  line-height: 1.45;
  padding: 0.8rem 0.9rem;
  background: var(--sheet);
  border: 1px solid var(--ink);
  overflow-x: auto;
  color: var(--ink-soft);
}

/* —— Tables —— */
.table-wrap {
  overflow-x: auto;
  max-width: var(--measure-wide);
  margin: 0.8rem 0 1.2rem;
}

table,
.prose table,
.table-wrap table {
  width: 100%;
  border-collapse: collapse;
  margin: 0.6rem 0 1rem;
  font-size: 0.92rem;
  background: var(--sheet);
}

.table-wrap table { margin: 0; min-width: 28rem; }

th, td,
.prose th, .prose td,
.table-wrap th, .table-wrap td {
  text-align: left;
  padding: 0.38rem 0.5rem;
  border: 1px solid var(--hair);
  vertical-align: top;
}

th,
.prose th,
.table-wrap th {
  font-family: var(--font-sans);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink);
  background: #efe6d4;
  border-color: var(--ink);
  border-bottom-width: 2px;
}

/* —— Callouts —— */
.flag {
  font-family: var(--font-sans);
  font-size: 0.86rem;
  line-height: 1.45;
  padding: 0.7rem 0.85rem;
  margin: 0.9rem 0;
  background: var(--sheet);
  border: 1px solid var(--ink);
  border-left: 4px solid var(--gold);
  color: var(--ink-soft);
  max-width: var(--measure-wide);
}

.flag strong {
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--ink);
}

.flag--ok { border-left-color: var(--green); }
.flag--spec,
.flag--reject { border-left-color: var(--red); }
.flag--open { border-left-color: var(--gold); }

/* —— Index lists, not marketing cards —— */
.card-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  margin: 0.5rem 0 1.2rem;
  max-width: var(--measure-wide);
  border-top: 2px solid var(--ink);
}

.card {
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--hair);
  border-radius: 0;
  padding: 0.75rem 0;
  position: relative;
}

.card::before { display: none; }
.card:hover { border-bottom-color: var(--ink); }

.card h3 {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  font-weight: 600;
  margin: 0.15rem 0 0.25rem;
  text-transform: none;
  letter-spacing: 0;
}

.card h3 a { color: var(--ink); text-decoration: none; border-bottom: 1px solid var(--hair); }
.card h3 a:hover { color: var(--red); border-bottom-color: var(--red); }

.card .meta,
.meta {
  font-family: var(--font-sans);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--teal);
  margin: 0;
}

.card p {
  margin: 0.2rem 0 0;
  color: var(--ink-soft);
  font-size: 0.98rem;
}

.def-pair {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin: 1rem 0;
  max-width: var(--measure-wide);
}

.def-card {
  background: var(--sheet);
  border: 1px solid var(--ink);
  padding: 0.9rem 1rem 1rem;
  position: relative;
}

.def-card--ok { border-top: 4px solid var(--green); }
.def-card--open { border-top: 4px solid var(--gold); }
.def-card--reject { border-top: 4px solid var(--red); }

.def-card h3 {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 600;
  margin: 0.2rem 0 0.45rem;
  text-transform: none;
  letter-spacing: 0;
}

.def-card ul { margin: 0; padding-left: 1.1rem; color: var(--ink-soft); }
.def-card li { margin-bottom: 0.3rem; }

.glossary {
  list-style: none;
  margin: 0;
  padding: 0;
  max-width: var(--measure-wide);
}

.glossary > li,
.glossary > div {
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--hair);
}

.glossary > li:first-child,
.glossary > div:first-child { border-top: 2px solid var(--ink); }

.glossary .term,
.glossary dt {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 600;
  margin: 0 0 0.3rem;
}

.glossary .def,
.glossary dd {
  margin: 0;
  color: var(--ink-soft);
}

.tag { margin-left: 0.35rem; }

/* —— Sources —— */
.source-list {
  list-style: none;
  margin: 0;
  padding: 0;
  max-width: var(--measure-wide);
  border-top: 2px solid var(--ink);
}

.source-list li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.75rem;
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--hair);
}

.source-ico {
  width: 2rem;
  height: 2rem;
  border: 1px solid var(--ink);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-sans);
  font-size: 0.62rem;
  font-weight: 700;
  background: var(--sheet);
}

.source-list h3 {
  font-family: var(--font-serif);
  font-size: 1.08rem;
  font-weight: 600;
  margin: 0 0 0.2rem;
  text-transform: none;
  letter-spacing: 0;
}

.source-list p { margin: 0; color: var(--ink-soft); font-size: 0.95rem; }

/* —— Operations —— */
.op-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(14.5rem, 1fr));
  gap: 0.75rem;
  margin: 0.8rem 0 1.1rem;
  max-width: var(--measure-wide);
}

.op-card {
  background: var(--sheet);
  border: 1px solid var(--ink);
  padding: 0.75rem 0.8rem 0.85rem;
  border-top: 4px solid var(--ink);
}

.op-card h3 {
  font-family: var(--font-sans);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin: 0 0 0.35rem;
}

.op-card p { margin: 0; font-size: 0.92rem; color: var(--ink-soft); }

.op-card--merge { border-top-color: var(--green); }
.op-card--merge h3 { color: var(--green); }
.op-card--agree { border-top-color: var(--teal); }
.op-card--agree h3 { color: var(--teal); }
.op-card--move { border-top-color: var(--violet); }
.op-card--move h3 { color: var(--violet); }
.op-card--filter { border-top-color: var(--red); }
.op-card--filter h3 { color: var(--red); }

.steps {
  list-style: none;
  margin: 0.4rem 0 1rem;
  padding: 0;
  max-width: var(--measure-wide);
}

.steps li {
  display: grid;
  grid-template-columns: 3.6rem 1fr;
  gap: 0.55rem;
  padding: 0.28rem 0;
  border-bottom: 1px solid var(--hair);
  font-size: 0.98rem;
}

.steps .n {
  font-family: var(--font-sans);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  text-align: center;
  color: #fff;
  background: var(--ink);
  border-radius: 99px;
  width: 1.85rem;
  height: 1.85rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-top: 0.15rem;
}

.steps .n--m { background: var(--green); }
.steps .n--a { background: var(--teal); }
.steps .n--v { background: var(--violet); }

figure.plate {
  margin: 1rem 0 1.25rem;
  max-width: var(--measure-wide);
  background: #fff;
  border: 1px solid var(--ink);
  padding: 0.35rem 0.35rem 0.55rem;
}

figure.plate img {
  display: block;
  width: 100%;
  height: auto;
}

figure.plate figcaption {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  line-height: 1.4;
  color: var(--muted);
  padding: 0.45rem 0.35rem 0.1rem;
}

.spine {
  list-style: none;
  margin: 0.4rem 0 1rem;
  padding: 0.6rem 0.8rem;
  max-width: 34rem;
  border: 1px solid var(--ink);
  background: var(--sheet);
}

.spine li {
  margin: 0;
  padding: 0.22rem 0 0.22rem 0.8rem;
  border-left: 2px solid var(--hair);
  color: var(--ink-soft);
}

.spine li strong { color: var(--ink); }

.model-box,
.ex-block {
  background: var(--sheet);
  border: 1px solid var(--ink);
  padding: 0.8rem 0.95rem;
  margin: 0.8rem 0 1rem;
  max-width: var(--measure-wide);
}

.ex-block { border-left: 4px solid var(--teal); font-size: 1.05rem; line-height: 1.7; }

.ex-block .label,
.model-box .label {
  display: block;
  font-family: var(--font-sans);
  font-size: 0.66rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: 0.3rem;
}

.ex-block .gloss {
  display: block;
  margin-top: 0.35rem;
  font-family: var(--font-sans);
  font-size: 0.82rem;
  font-style: italic;
  color: var(--muted);
  line-height: 1.45;
}

.file-list {
  list-style: none;
  margin: 0.3rem 0 1rem;
  padding: 0;
  max-width: var(--measure-wide);
  border-top: 1px solid var(--ink);
}

.file-list li {
  font-family: ui-monospace, Menlo, Consolas, monospace;
  font-size: 0.74rem;
  padding: 0.28rem 0;
  border-bottom: 1px solid var(--hair);
  color: var(--ink-soft);
  word-break: break-word;
}

.toc,
.lang-jump {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 0.85rem;
  list-style: none;
  margin: 0.8rem 0 0;
  padding: 0;
  font-family: var(--font-sans);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.toc a,
.lang-jump a {
  color: var(--ink-soft);
  text-decoration: none;
  border-bottom: 1px solid var(--hair);
}

.toc a:hover,
.lang-jump a:hover { color: var(--red); border-bottom-color: var(--red); }

.filter-bar { margin: 0.6rem 0 1rem; max-width: var(--measure-wide); }

.filter-bar label {
  display: block;
  font-family: var(--font-sans);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 0.3rem;
}

.filter-bar input {
  width: min(100%, 28rem);
  background: var(--sheet);
  color: var(--ink);
  border: 1px solid var(--ink);
  padding: 0.45rem 0.6rem;
  font-family: var(--font-sans);
  font-size: 0.95rem;
}

.filter-bar input:focus {
  outline: 2px solid var(--gold);
  outline-offset: 1px;
}

.cluster-block,
.lang-block { scroll-margin-top: 5.5rem; }

#filter-empty[hidden] { display: none; }

.site-footer {
  border-top: 3px solid var(--ink);
  box-shadow: inset 0 1px 0 #fff, inset 0 2px 0 var(--ink);
  padding: 1rem 0 1.6rem;
  margin-top: 1rem;
  font-family: var(--font-sans);
  font-size: 0.75rem;
  color: var(--muted);
}

.site-footer .inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.5rem 1rem;
}

.site-footer a { color: var(--ink-soft); text-decoration: none; }
.site-footer a:hover { color: var(--red); }

.footer-mark {
  display: inline-block;
  width: 0.45rem;
  height: 0.45rem;
  background: var(--ink);
  margin-right: 0.35rem;
  vertical-align: middle;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

.dash { color: var(--faint); }

@media (max-width: 720px) {
  .def-pair { grid-template-columns: 1fr; }
  .hero h1, .page-header h1 { max-width: none; }
  html { font-size: 17px; }
  .wrap, .site-header::before { width: min(100% - 1.4rem, var(--page)); }
}

@media print {
  .site-header { position: static; box-shadow: none; }
  .btn-row, .filter-bar, .skip { display: none; }
  body { background: white; }
}