:root {
  --page-pad: 1.25rem;
  --content-max: 1240px;
  --rail-width: 140px;
  --rail-gap: 2.5rem;
  --bg: #fbfbf8;
  --bg-top: #f6f4ef;
  --panel: #ffffff;
  --panel-soft: #fcfbf7;
  --panel-soft-2: #f8f6f0;
  --panel-empty: #faf9f6;
  --text: #111111;
  --muted: #666666;
  --muted-soft: #a7a29b;
  --line: #dddddd;
  --line-strong: #b3b3b3;
  --line-warn: #d8c9a6;
  --accent: #c04f17;
  --accent-secondary: #009b55;
  --accent-soft: #f9f1ec;
  --warning-bg: #fbf6e8;
  --warning-text: #6d5830;
  --badge-languoid: #1f4b99;
  --badge-script: #8b5a2b;
  --badge-region: #2f6b3b;
  --plate-fill: rgba(251, 251, 248, 0.96);
  --shadow: 0 1px 0 rgba(23, 23, 23, 0.03);
  --serif: "Iowan Old Style", "Palatino Linotype", "Book Antiqua", Palatino, Georgia, serif;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --mono: "SFMono-Regular", "SF Mono", Consolas, "Liberation Mono", monospace;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  background: linear-gradient(180deg, var(--bg-top) 0%, var(--bg) 18rem);
  color: var(--text);
}

body {
  font-family: var(--sans);
  line-height: 1.5;
}

button,
input {
  font: inherit;
}

button,
input {
  appearance: none;
  -webkit-appearance: none;
  border-radius: 0;
}

a {
  color: inherit;
  text-decoration-line: underline;
  text-decoration-style: dotted;
  text-decoration-color: var(--accent);
  text-decoration-thickness: 0.16em;
  text-underline-offset: 0.16em;
}

a:hover,
a:focus-visible {
  text-decoration-color: var(--accent-secondary);
}

a:focus-visible {
  outline: 2px solid var(--accent-soft);
  outline-offset: 2px;
}

.page {
  padding: 1.2rem var(--page-pad) 4rem;
}

.intro-panel,
.search-panel,
.entity-panel,
.graph-block,
.relations-block {
  background: var(--panel);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.site-title,
.entity-name {
  font-family: var(--serif);
}

.site-sidebar {
  padding: 0.1rem 0 0 0.75rem;
  border-left: 2px solid var(--accent-secondary);
}

.page-main {
  min-width: 0;
  max-width: var(--content-max);
  margin: 0 auto;
}

.demo-nav a {
  display: inline-block;
  text-decoration-thickness: 0.18em;
}

.site-title {
  display: inline-block;
  font-size: 1.85rem;
  letter-spacing: -0.02em;
  font-weight: 500;
  line-height: 1.05;
}

.site-title-wrap {
  margin: 0 0 0.9rem;
}

.demo-nav {
  display: block;
}

.demo-menu {
  list-style: none;
  margin: 0;
  padding: 0;
}

.demo-menu li {
  margin: 0 0 0.55rem;
}

.recent-trail,
.entity-subtitle,
.entity-type,
.search-label,
.stats,
.property-label,
.relation-count {
  color: var(--muted);
}

.stats {
  font-size: 0.92rem;
  text-align: left;
}

.stat-total {
  margin-bottom: 0.55rem;
}

.stat-breakdown {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  padding-left: 1rem;
  position: relative;
}

.stat-breakdown::before {
  content: "";
  position: absolute;
  left: 0.15rem;
  top: 0.35rem;
  bottom: 0.35rem;
  width: 1px;
  background: var(--line-strong);
}

.stat-badge {
  display: inline-block;
  color: var(--text);
  border: 2.4px solid var(--line-strong);
  border-radius: 999px;
  background: transparent;
  padding: 0.22rem 0.55rem;
}

.stat-badge.is-languoid {
  border-color: var(--badge-languoid);
}

.stat-badge.is-script {
  border-color: var(--badge-script);
}

.stat-badge.is-region {
  border-color: var(--badge-region);
}

.recent-trail {
  margin-top: 0.55rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  align-items: center;
  font-size: 0.88rem;
}

.recent-trail-below {
  margin-top: 0.8rem;
}

.recent-link {
  border: 1px solid var(--line);
  background: var(--panel);
  padding: 0.2rem 0.45rem;
  cursor: pointer;
}

.recent-link.current {
  border-color: var(--line-strong);
}

.search-panel {
  margin-top: 1rem;
  padding: 1rem 1.25rem 1.2rem;
}

.intro-panel {
  margin-top: 1rem;
  padding: 0.95rem 1.25rem;
}

.intro-panel summary {
  cursor: pointer;
  font-size: 1rem;
  font-weight: 600;
}

.intro-copy {
  margin-top: 0.8rem;
  color: var(--muted);
  display: grid;
  gap: 0.85rem;
}

.intro-copy p {
  margin: 0;
}

.intro-copy ul {
  margin: -0.15rem 0 0 1.15rem;
  padding: 0;
}

.intro-copy li {
  margin: 0 0 0.3rem;
}

.intro-copy > p {
  max-width: 68ch;
}

.intro-stats {
  max-width: 68ch;
  padding: 0.8rem 0.9rem 0.95rem;
  border: 1px solid var(--line);
  background: var(--panel-soft);
}

.intro-stats-title {
  margin: 0 0 0.55rem;
  color: var(--text);
  font-weight: 600;
}

.intro-sources {
  padding-top: 0.15rem;
}

.intro-sources-title {
  margin: 0 0 0.55rem;
  color: var(--text);
  font-weight: 600;
}

.intro-source-list {
  display: grid;
  gap: 0.7rem;
}

.intro-source-item {
  padding-left: 0.75rem;
  border-left: 2px solid var(--line);
}

.intro-source-name,
.intro-source-meta,
.intro-source-links,
.intro-source-notes {
  margin: 0;
}

.intro-source-name {
  font-size: 0.98rem;
  font-weight: 600;
}

.intro-source-meta,
.intro-source-links,
.intro-source-notes {
  margin-top: 0.2rem;
  font-size: 0.92rem;
  color: var(--muted);
}

.intro-source-links a {
  text-decoration-thickness: 0.16em;
}

.intro-source-notes a {
  text-decoration-thickness: 0.16em;
}

.search-label {
  display: block;
  margin-bottom: 0.5rem;
  font-size: 0.92rem;
}

.search-input {
  width: 100%;
  border: 1px solid var(--line-strong);
  background: var(--panel);
  padding: 0.9rem 1rem;
  font-size: 1rem;
}

.search-input:focus {
  outline: 2px solid var(--accent-soft);
  border-color: var(--accent);
}

.search-results {
  margin-top: 0.8rem;
  display: grid;
  gap: 0.35rem;
}

.search-result,
.relation-item {
  border: 1px solid var(--line);
  background: var(--panel);
}

.search-result {
  width: 100%;
  text-align: left;
  padding: 0.75rem 0.9rem;
  cursor: pointer;
}

.search-result.is-languoid,
.relation-item.is-languoid {
  border-left: 3px solid var(--badge-languoid);
}

.search-result.is-script,
.relation-item.is-script {
  border-left: 3px solid var(--badge-script);
}

.search-result.is-region,
.relation-item.is-region {
  border-left: 3px solid var(--badge-region);
}

.search-result-top,
.relation-item-top {
  display: flex;
  gap: 0.65rem;
  align-items: baseline;
}

.search-result-type,
.relation-item-type {
  display: inline-block;
  min-width: 4.8rem;
  text-transform: capitalize;
  color: var(--muted);
  font-size: 0.8rem;
}

.search-result:hover,
.search-result:focus-visible,
.relation-item:hover,
.relation-item:focus-visible {
  border-color: var(--accent-secondary);
  outline: none;
}

.search-result.is-languoid:hover,
.search-result.is-languoid:focus-visible,
.relation-item.is-languoid:hover,
.relation-item.is-languoid:focus-visible {
  border-color: var(--badge-languoid);
}

.search-result.is-script:hover,
.search-result.is-script:focus-visible,
.relation-item.is-script:hover,
.relation-item.is-script:focus-visible {
  border-color: var(--badge-script);
}

.search-result.is-region:hover,
.search-result.is-region:focus-visible,
.relation-item.is-region:hover,
.relation-item.is-region:focus-visible {
  border-color: var(--badge-region);
}

.result-name,
.relation-item-name {
  display: block;
}

.search-result-name,
.relation-item-name {
  font-weight: 500;
}

.search-result-meta,
.relation-item-meta {
  display: block;
  color: var(--muted);
  font-size: 0.92rem;
  margin-top: 0.1rem;
  font-family: var(--mono);
}

.search-result-match {
  display: block;
  color: var(--muted);
  font-size: 0.84rem;
  margin-top: 0.3rem;
}

.search-highlight {
  font-weight: 650;
  color: var(--text);
}

.layout {
  margin-top: 1rem;
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(360px, 0.9fr);
  gap: 1rem;
  align-items: start;
}

.entity-panel,
.explore-panel {
  min-width: 0;
}

.entity-panel {
  padding: 1.25rem;
}

.explore-panel {
  display: grid;
  grid-template-rows: auto auto;
  gap: 1rem;
  padding: 0;
  align-content: start;
}

.entity-header {
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--line);
}

.entity-warning {
  margin-top: 1rem;
}

.entity-warning:empty {
  display: none;
}

.warning-box {
  border: 1px solid var(--line-warn);
  background: var(--warning-bg);
  color: var(--warning-text);
  padding: 0.75rem 0.85rem;
}

.entity-type {
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.78rem;
  margin: 0 0 0.5rem;
}

.entity-name {
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.05;
  margin: 0;
  border-bottom: 2px dotted var(--line-strong);
  padding-bottom: 0.08rem;
  width: fit-content;
}

.entity-subtitle {
  margin: 0.55rem 0 0;
  font-family: var(--mono);
  font-size: 0.95rem;
}

.properties {
  margin-top: 1rem;
}

.property-section + .property-section {
  margin-top: 1.35rem;
}

.property-section-title {
  margin: 0 0 0.5rem;
  font-size: 1rem;
  color: var(--text);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  border-bottom: 2px solid var(--accent-secondary);
  width: fit-content;
}

.inline-links {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  align-items: center;
}

.inline-link {
  border: 1px solid var(--line);
  background: var(--panel);
  padding: 0.12rem 0.38rem;
  font-family: var(--mono);
  cursor: pointer;
}

.property {
  display: grid;
  grid-template-columns: minmax(7rem, 10rem) minmax(0, 1fr) auto;
  gap: 0.75rem;
  align-items: start;
  padding: 0.72rem 0;
  border-bottom: 1px solid var(--line);
}

.property-label {
  font-size: 0.92rem;
}

.property-value {
  min-width: 0;
  overflow-wrap: anywhere;
}

.property-value.is-empty {
  min-height: 1.5rem;
}

.property-value.is-code {
  font-family: var(--mono);
  font-size: 0.95rem;
}

.property-link {
  text-decoration-thickness: 0.16em;
  text-underline-offset: 0.14em;
}

.copy-button {
  border: 1px solid var(--line);
  background: var(--panel);
  padding: 0.38rem 0.6rem;
  cursor: pointer;
  color: var(--muted);
}

.copy-button[data-copied="true"] {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-soft);
}

.copy-button:disabled {
  cursor: default;
  color: var(--muted);
  background: var(--panel-empty);
}

.graph-block,
.relations-block {
  padding: 1.25rem;
}

.section-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
  margin-bottom: 0.75rem;
}

.section-head h2,
.relation-group-title {
  margin: 0;
  font-size: 1rem;
  font-weight: 600;
}

.section-head h2 {
  border-bottom: 2px solid var(--accent-secondary);
  width: fit-content;
}

.graph-view-label {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  color: var(--muted);
  font-size: 0.9rem;
}

.graph-view-select {
  border: 1px solid var(--line);
  background: var(--panel);
  padding: 0.35rem 0.55rem;
}

.graph-view-select option:disabled {
  color: var(--muted-soft);
}

.graph {
  width: 100%;
  height: auto;
  min-height: 18rem;
  background: linear-gradient(180deg, var(--panel) 0%, var(--panel-soft-2) 100%);
  border: 1px solid var(--line);
}

.graph-link {
  stroke: var(--line-strong);
  stroke-width: 1.4;
}

.graph-expand {
  stroke-dasharray: 3 3;
}

.graph-label-plate {
  fill: var(--plate-fill);
  stroke: var(--line-strong);
  stroke-width: 1.8;
}

.graph-label {
  font-size: 15px;
  font-weight: 500;
  fill: var(--text);
  text-anchor: middle;
  cursor: pointer;
}

.graph-label:hover,
.graph-label:focus-visible,
.graph-label-plate:hover + .graph-label,
.graph-label-plate:focus-visible + .graph-label {
  text-decoration: underline;
  text-decoration-color: currentColor;
  text-decoration-thickness: 0.08em;
}

.graph-label-plate.is-languoid {
  stroke: var(--badge-languoid);
}

.graph-label-plate.is-script {
  stroke: var(--badge-script);
}

.graph-label-plate.is-region {
  stroke: var(--badge-region);
}

.graph-label-plate.current {
  stroke-width: 2.4;
}

.graph-expand-label {
  font-family: var(--mono);
  font-size: 14px;
  font-weight: 600;
}

.graph-label.is-action {
  fill: var(--accent);
}

.graph-label.is-action.is-languoid {
  fill: var(--badge-languoid);
}

.graph-label.is-action.is-script {
  fill: var(--badge-script);
}

.graph-label.is-action.is-region {
  fill: var(--badge-region);
}

.relation-group + .relation-group {
  margin-top: 1rem;
}

.relation-group-header {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 0.5rem;
}

.relation-list {
  display: grid;
  gap: 0.35rem;
}

.relation-item {
  width: 100%;
  text-align: left;
  padding: 0.65rem 0.75rem;
  cursor: pointer;
}

.relation-expand {
  border: 1px solid var(--line);
  background: var(--panel);
  text-align: left;
  padding: 0.7rem 0.75rem;
  cursor: pointer;
  color: var(--muted);
}

.relation-expand:hover,
.relation-expand:focus-visible {
  border-color: var(--accent-secondary);
  color: var(--text);
  outline: none;
}

@media (max-width: 1479px) {
  .page {
    padding-top: 0.9rem;
  }

  .site-sidebar {
    position: static;
    margin: 0 auto 1rem;
    width: min(var(--content-max), calc(100vw - var(--page-pad) * 2));
    padding: 0.9rem 1rem;
    border: 1px solid var(--line);
    border-left: 2px solid var(--accent-secondary);
    background: var(--panel);
    box-shadow: var(--shadow);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
  }

  .layout {
    grid-template-columns: 1fr;
  }

  .site-title-wrap {
    margin: 0;
    flex: 0 0 auto;
  }

  .demo-nav {
    min-width: 0;
  }

  .demo-menu {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 0.55rem 1rem;
  }

  .demo-menu li {
    margin: 0;
  }
}

@media (max-width: 860px) {
  .page {
    padding: 1rem 0.8rem 3rem;
  }

  .stats {
    text-align: left;
  }

  .property {
    grid-template-columns: 1fr;
    gap: 0.35rem;
  }

  .copy-button {
    justify-self: start;
  }

  .site-sidebar {
    align-items: flex-start;
    flex-direction: column;
  }

  .demo-menu {
    justify-content: flex-start;
  }
}

@media (min-width: 1480px) {
  .site-sidebar {
    position: fixed;
    top: 1.6rem;
    left: max(var(--page-pad), calc(50% - (var(--content-max) / 2) - var(--rail-width) - var(--rail-gap) - 0.75rem));
    width: var(--rail-width);
  }
}