:root {
  color-scheme: dark;
  font-family: system-ui, sans-serif;
  line-height: 1.55;
}

body {
  margin: 0;
  background: #0d1117;
  color: #e6edf3;
}

main {
  max-width: 960px;
  margin: auto;
  padding: 32px 20px 64px;
}

h1 {
  margin-bottom: 0;
  font-size: clamp(2rem, 5vw, 3rem);
}

main > p:first-of-type { color: #b8c6d4; margin: 4px 0 28px; }

.search-label { display: block; font-weight: 600; }

input {
  box-sizing: border-box;
  width: 100%;
  margin: 8px 0 12px;
  padding: 14px;
  border: 1px solid #30363d;
  border-radius: 8px;
  color: inherit;
  background: #161b22;
  font: inherit;
}

article {
  margin: 10px 0;
  padding: 14px;
  border: 1px solid #30363d;
  border-radius: 8px;
  background: #161b22;
  cursor: pointer;
}

article:focus-visible, button:focus-visible, select:focus-visible,
summary:focus-visible, input:focus-visible {
  outline: 3px solid #79baff;
  outline-offset: 3px;
}

article:hover {
  border-color: #58a6ff;
}

article div,
#status,
footer {
  color: #b8c6d4;
}

.source-guide {
  margin: 12px 0 22px;
  padding: 12px 0;
  border-bottom: 1px solid #30363d;
}

.source-guide summary { cursor: pointer; color: #badcff; font-weight: 600; }
.source-table-scroll { overflow-x: auto; }
.source-guide table { border-collapse: collapse; width: 100%; min-width: 680px; font-size: .9rem; }
.source-guide caption { text-align: left; font-weight: 600; padding: 10px 0; }
.source-guide th, .source-guide td { padding: 9px 10px; text-align: left; vertical-align: top; border-bottom: 1px solid #303f50; }
.source-guide thead th { color: #c9d7e5; }
.source-guide tbody th { width: 170px; }
.source-guide td:last-child { width: 128px; text-align: right; white-space: nowrap; }
.source-guide a { color: #83bfff; }
.source-note { font-size: .88rem; color: #b8c6d4; line-height: 1.55; }

footer {
  margin-top: 48px;
  font-size: 0.85rem;
}

#detail h2 {
  margin-bottom: 4px;
}

#detail .meta {
  color: #8b949e;
  margin-bottom: 24px;
}

.back {
  background: none;
  border: 1px solid #30363d;
  border-radius: 8px;
  color: inherit;
  font: inherit;
  padding: 8px 14px;
  cursor: pointer;
  margin-bottom: 20px;
}

.back:hover {
  border-color: #58a6ff;
}

.group {
  margin-bottom: 24px;
}

.group h3 {
  margin-bottom: 8px;
  font-size: 1rem;
  color: #8b949e;
}

.group ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.group li {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  padding: 10px 14px;
  margin: 6px 0;
  border: 1px solid #30363d;
  border-radius: 8px;
  background: #161b22;
}

.pivot {
  background: none;
  border: none;
  color: #58a6ff;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
  padding: 0;
}

.pivot:hover {
  text-decoration: underline;
}

.badge {
  font-size: 0.75rem;
  color: #8b949e;
  border: 1px solid #30363d;
  border-radius: 999px;
  padding: 2px 10px;
}

.group li a {
  margin-left: auto;
  color: #58a6ff;
  font-size: 0.85rem;
}

.result-reason {
  flex-basis: 100%;
  color: #8b949e;
  font-size: 0.8rem;
}

.relation-summary {
  margin-top: 6px;
}

.relation-inventory {
  margin: 20px 0;
}

.relation-inventory h3 {
  font-size: 1rem;
  color: #8b949e;
}

.empty {
  color: #8b949e;
}

.intent-header {
  color: #8b949e;
  font-size: 0.9rem;
}

.intent-card strong {
  display: inline-block;
  margin-right: 8px;
}

.tier {
  margin-top: 14px;
  padding-top: 10px;
  border-top: 1px solid #30363d;
}

.tier-label {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  margin-bottom: 6px;
}

.tier-approved .tier-label {
  color: #3fb950;
}

.tier-registry .tier-label {
  color: #d29922;
}

.tier-curated_database .tier-label,
.tier-publication .tier-label {
  color: #58a6ff;
}

.tier-computed .tier-label,
.tier-unknown .tier-label {
  color: #8b949e;
}

.tier ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.tier li {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  padding: 8px 12px;
  margin: 4px 0;
  border: 1px solid #30363d;
  border-radius: 8px;
}

.tier li a {
  margin-left: auto;
  color: #58a6ff;
  font-size: 0.85rem;
}

.disclaimer {
  color: #d29922;
  font-size: 0.8rem;
  font-style: italic;
  margin: 8px 0 0;
}

.badge.source {
  color: #58a6ff;
  border-color: #21354d;
}

#attribution a {
  color: #58a6ff;
}

.badge.conflict {
  color: #f85149;
  border-color: #4c1a1a;
}

.badge.context {
  color: #d29922;
  border-color: #4d3a12;
}

.evidence-link {
  background: none;
  border: 1px solid #30363d;
  border-radius: 999px;
  color: #58a6ff;
  font-size: 0.75rem;
  padding: 2px 10px;
  cursor: pointer;
  margin-left: auto;
}

.evidence-link:hover {
  border-color: #58a6ff;
}

.evidence-panel {
  margin-top: 24px;
  padding: 16px;
  border: 1px solid #58a6ff;
  border-radius: 8px;
  background: #10151c;
}

.evidence-panel-heading {
  font-weight: 600;
  margin-bottom: 12px;
}

.evidence-detail {
  display: grid;
  grid-template-columns: minmax(110px, auto) 1fr;
  gap: 4px 12px;
  margin: 0 0 14px;
  padding-bottom: 14px;
  border-bottom: 1px solid #30363d;
  font-size: 0.85rem;
}

.evidence-detail dt {
  color: #8b949e;
}

.evidence-detail dd {
  margin: 0;
  word-break: break-word;
}

.evidence-detail a {
  grid-column: 1 / -1;
  color: #58a6ff;
}

.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(96px, 1fr));
  gap: 8px;
  margin: 20px 0 4px;
}

.stat-card {
  border: 1px solid #30363d;
  border-radius: 8px;
  padding: 8px 10px;
  background: #161b22;
  text-align: left;
  font: inherit;
  color: inherit;
  cursor: default;
}

.stat-card.clickable {
  cursor: pointer;
}

.stat-card.clickable:hover {
  border-color: #58a6ff;
}

.stat-value {
  display: block;
  font-size: 1.3rem;
  font-weight: 600;
  line-height: 1.2;
}

.stat-label {
  display: block;
  font-size: 0.72rem;
  color: #8b949e;
  margin-top: 2px;
}

.stats-caveat {
  grid-column: 1 / -1;
  font-size: 0.72rem;
  color: #8b949e;
  margin: 2px 0 0;
}

.examples-label {
  margin: 20px 0 4px;
  font-size: 0.85rem;
  color: #8b949e;
}

#examples {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 8px;
}

.example-query {
  background: none;
  border: 1px solid #30363d;
  border-radius: 999px;
  color: #58a6ff;
  font-size: 0.8rem;
  padding: 6px 12px;
  cursor: pointer;
}

.example-query:hover {
  border-color: #58a6ff;
}

.graph-container {
  margin: 20px 0 28px;
  border: 1px solid #30363d;
  border-radius: 8px;
  padding: 12px;
}

.graph-controls {
  display: flex;
  gap: 16px;
  margin-bottom: 8px;
  flex-wrap: wrap;
}

.graph-control {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8rem;
  color: #8b949e;
}

.graph-control select {
  background: #161b22;
  color: inherit;
  border: 1px solid #30363d;
  border-radius: 6px;
  padding: 4px 8px;
  font: inherit;
}

.graph-svg-wrapper {
  overflow-x: auto;
}

.graph-svg {
  width: 100%;
  height: auto;
  max-height: 420px;
}

.graph-edge {
  stroke: #30363d;
  stroke-width: 1.5;
  cursor: pointer;
}

.graph-edge:hover {
  stroke: #58a6ff;
}

.graph-edge-conflict {
  stroke: #f85149;
  stroke-dasharray: 4 3;
}

.graph-label {
  fill: #e6edf3;
  font-size: 10px;
}