:root {
  --bg: #fbfcfa;
  --panel: #ffffff;
  --text: #18211d;
  --muted: #5e6c65;
  --faint: #87938d;
  --line: #dde5df;
  --accent: #70867a;
  --accent-strong: #4f6258;
  --link: #1f5fbf;
  --link-visited: #5f55b6;
  --max-width: 980px;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: "IBM Plex Sans", "Helvetica Neue", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

code,
pre {
  font-family: "IBM Plex Mono", "SFMono-Regular", Menlo, monospace;
}

a {
  color: var(--link);
  text-decoration: underline;
  text-underline-offset: 0.12em;
  text-decoration-thickness: 0.08em;
}

a:visited {
  color: var(--link-visited);
}

.page-shell {
  width: min(var(--max-width), calc(100% - 2rem));
  margin: 0 auto;
  padding: 1.5rem 0 3rem;
}

.page-flow {
  display: block;
}

.simple-header {
  padding-bottom: 1.4rem;
  border-bottom: 1px solid var(--line);
}

.simple-header-top,
.inline-links,
.inline-metadata,
.site-bar,
.hero-actions,
.filter-row,
.trait-item-meta,
.section-header,
.detail-topline,
.source-links,
.pill-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem 0.8rem;
  align-items: center;
}

.simple-mark,
.site-mark {
  font-size: 0.86rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-strong);
}

.simple-link,
.text-link,
.site-nav a {
  color: var(--link);
  text-decoration: underline;
}

.simple-header h1,
.traits-header h1 {
  margin: 0.55rem 0 0.55rem;
  font-family: "Iowan Old Style", "Palatino Linotype", serif;
  font-size: clamp(2.1rem, 4vw, 3.3rem);
  line-height: 1.02;
  letter-spacing: -0.03em;
}

.lede,
.hero-copy,
.flow-section p,
.empty-state p {
  color: var(--muted);
  line-height: 1.5;
  margin: 0.45rem 0;
}

.inline-links,
.inline-metadata {
  margin-top: 0.85rem;
  color: var(--faint);
  font-size: 0.95rem;
}

.inline-metadata strong {
  color: var(--text);
  font-weight: 600;
}

.flow-section {
  padding: 1.3rem 0;
  border-bottom: 1px solid var(--line);
}

.section-label,
.eyebrow,
.card-kicker,
.detail-type,
.stat-label {
  margin: 0 0 0.25rem;
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-strong);
}

.flow-section h2,
.info-card h3,
.utility-card h3,
.detail-card h2,
.empty-state h2 {
  margin: 0 0 0.45rem;
  font-family: "Iowan Old Style", "Palatino Linotype", serif;
  font-size: 1.45rem;
  line-height: 1.12;
  letter-spacing: -0.02em;
}

.dense-list {
  margin: 0.55rem 0 0;
  padding-left: 1.1rem;
}

.dense-list li {
  margin: 0.22rem 0;
  line-height: 1.35;
}

.ordered {
  padding-left: 1.2rem;
}

pre {
  margin: 0.7rem 0 0;
  padding: 0.75rem 0.9rem;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: auto;
  line-height: 1.35;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.35rem;
  padding: 0.55rem 0.8rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 600;
  background: var(--panel);
  color: var(--text);
}

.button-primary {
  border-color: var(--accent);
  color: var(--accent-strong);
}

.button-secondary {
  color: var(--muted);
}

.site-bar {
  justify-content: space-between;
  padding-bottom: 1rem;
  margin-bottom: 1rem;
  border-bottom: 1px solid var(--line);
}

.site-mark {
  text-decoration: none;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1rem;
}

.traits-shell {
  width: min(1180px, calc(100% - 2rem));
}

.traits-header {
  justify-content: space-between;
  align-items: end;
  gap: 1rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--line);
  margin-bottom: 1rem;
}

.stats-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem 1rem;
  padding-bottom: 1rem;
  margin-bottom: 1rem;
  border-bottom: 1px solid var(--line);
}

.stat-card {
  min-width: 120px;
}

.stat-value {
  display: block;
  margin-top: 0.1rem;
  font-size: 1.02rem;
  font-weight: 600;
}

.explorer-layout {
  display: grid;
  grid-template-columns: 300px minmax(0, 1fr);
  gap: 1rem;
}

.panel {
  background: transparent;
  border: none;
  padding: 0;
}

.control-panel {
  position: sticky;
  top: 1rem;
  align-self: start;
}

.control-label {
  display: block;
  margin-bottom: 0.4rem;
  font-weight: 600;
}

.search-input {
  width: 100%;
  padding: 0.62rem 0.72rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  font: inherit;
}

.filter-row {
  gap: 0.45rem;
  margin-top: 0.55rem;
}

.filter-chip {
  border: 1px solid var(--line);
  background: var(--panel);
  color: var(--muted);
  border-radius: 999px;
  padding: 0.35rem 0.7rem;
  font: inherit;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
}

.filter-chip.active {
  border-color: var(--accent);
  color: var(--accent-strong);
}

.panel-section {
  margin-top: 0.8rem;
}

.section-header h2,
.detail-section h3 {
  margin: 0;
  font-size: 0.96rem;
}

.trait-list {
  display: grid;
  gap: 0.45rem;
  margin-top: 0.6rem;
  max-height: 68vh;
  overflow: auto;
}

.trait-item {
  width: 100%;
  text-align: left;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  padding: 0.58rem 0.65rem;
  cursor: pointer;
}

.trait-item.active {
  border-color: var(--accent);
}

.trait-item-title {
  display: block;
  font-weight: 600;
  line-height: 1.25;
}

.trait-item-meta {
  margin-top: 0.2rem;
  color: var(--faint);
  font-size: 0.8rem;
  gap: 0.35rem 0.55rem;
}

.tag {
  display: inline-flex;
  align-items: center;
  padding: 0.06rem 0.42rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  color: var(--accent-strong);
  font-size: 0.76rem;
  font-weight: 600;
}

.tag.absent {
  color: var(--muted);
}

.detail-card,
.empty-state {
  min-height: 30rem;
}

.empty-state {
  display: grid;
  place-items: start;
  padding-top: 0.2rem;
}

.hidden {
  display: none;
}

.detail-id {
  margin: 0;
  color: var(--faint);
  font-size: 0.88rem;
}

.detail-grid {
  display: grid;
  gap: 0.75rem;
  margin-top: 0.8rem;
}

.detail-section {
  padding-top: 0.45rem;
  border-top: 1px solid var(--line);
}

.pill-list {
  margin-top: 0.35rem;
  gap: 0.35rem 0.45rem;
}

.pill,
.pill-button {
  display: inline-flex;
  align-items: center;
  padding: 0.16rem 0.5rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--panel);
  color: var(--text);
  text-decoration: none;
  font: inherit;
  font-size: 0.84rem;
}

.pill-button {
  cursor: pointer;
}

.mapped-chain {
  margin: 0.35rem 0 0;
  padding-left: 1rem;
}

.mapped-chain li {
  margin: 0.15rem 0;
  line-height: 1.28;
}

@media (max-width: 900px) {
  .explorer-layout {
    grid-template-columns: 1fr;
  }

  .control-panel {
    position: static;
  }
}

@media (max-width: 720px) {
  .page-shell {
    width: calc(100% - 1rem);
  }

  .simple-header h1,
  .traits-header h1 {
    font-size: 2rem;
  }

  .site-bar,
  .traits-header {
    align-items: start;
  }
}