:root {
  color-scheme: light;
  --bg: #ffffff;
  --surface: #ffffff;
  --surface-soft: #fbfaf7;
  --line: #d8d3c9;
  --line-strong: #b9b0a2;
  --text: #27241f;
  --muted: #6d665c;
  --accent: #1f6f5b;
  --accent-strong: #185544;
  --gold: #a46915;
  --rose: #8b3d42;
  --focus: #2d7dd2;
  --shadow: 0 18px 50px rgba(39, 36, 31, 0.08);
  --story-header-height: 154px;
  --people-rail-width: clamp(116px, 10vw, 148px);
  --migration-panel-width: clamp(400px, 28vw, 620px);
}

* {
  box-sizing: border-box;
}

body {
  height: 100%;
  min-width: 320px;
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  line-height: 1.45;
}

html {
  height: 100%;
}

.story-header {
  height: var(--story-header-height);
  border-bottom: 1px solid var(--line);
  background: #fff;
  overflow: hidden;
}

.generation-story {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(0, 1.45fr) minmax(210px, 0.75fr);
  height: 100%;
  min-width: 0;
}

.generation-story > section {
  min-width: 0;
  padding: 8px 10px;
  border-left: 1px solid var(--line);
  overflow: hidden;
}

.origin-name {
  margin: 0 0 6px;
  font-size: 1.18rem;
  line-height: 1.2;
  letter-spacing: 0;
  text-align: left;
}

.origin-summary {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(126px, 150px);
  align-items: stretch;
  gap: 10px;
  text-align: left;
}

.generation-story > .origin-summary {
  padding: 8px 8px 8px 3px;
}

.origin-copy {
  min-width: 0;
  text-align: left;
}

.tree-back-button,
.person-record-back {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
}

.tree-back-button {
  min-height: 20px;
  margin: 0 0 3px;
  padding: 0 6px;
  border-radius: 3px;
  font-size: 0.58rem;
  line-height: 1;
}

.story-header.is-person-record .tree-back-button {
  display: none;
}

.origin-person-summary {
  display: -webkit-box;
  margin: 0;
  overflow: hidden;
  color: var(--text);
  font-size: 0.65rem;
  line-height: 1.42;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 6;
}

.snapshot-list {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 3px 9px;
  margin: 0;
  font-size: 0.59rem;
  line-height: 1.28;
}

.snapshot-list dt {
  color: var(--muted);
  font-weight: 600;
}

.snapshot-list dd {
  min-width: 0;
  margin: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.horizon-options {
  display: grid;
  align-content: start;
  gap: 2px;
}

.horizon-option-row {
  display: grid;
  grid-template-columns: minmax(104px, 0.38fr) minmax(0, 1fr);
  align-items: start;
  gap: 10px;
  min-height: 22px;
}

.horizon-option {
  min-height: 22px;
  padding: 2px 6px;
  border: 1px solid transparent;
  border-radius: 3px;
  background: transparent;
  color: var(--text);
  font-size: 0.59rem;
  line-height: 1.15;
  text-align: left;
}

.horizon-option:hover,
.horizon-option:focus-visible {
  border-color: var(--line-strong);
}

.horizon-option.is-selected {
  border-color: var(--accent);
  background: #dcece7;
  color: var(--accent-strong);
  font-weight: 700;
}

.horizon-blurb {
  margin: 2px 0 0;
  color: var(--muted);
  font-size: 0.59rem;
  line-height: 1.3;
}

.migration-overview {
  height: 100%;
  min-height: 0;
}

.migration-atlas {
  display: block;
  width: 100%;
  height: auto;
  max-height: 100%;
}

.migration-route {
  fill: none;
  stroke-dasharray: 3 3;
  stroke-linecap: round;
  opacity: 0.7;
  pointer-events: none;
  vector-effect: non-scaling-stroke;
}

.migration-route--regional {
  stroke: #725f4b;
}

.migration-route--international {
  stroke: #c43d3d;
  opacity: 0.78;
}

.selected-person-endpoint {
  fill: #101010;
  stroke: #fff;
  stroke-width: 1.4;
  vector-effect: non-scaling-stroke;
}

.regional-country-outline {
  fill: rgba(31, 111, 91, 0.13);
  stroke: rgba(39, 36, 31, 0.65);
  stroke-width: 0.85;
  vector-effect: non-scaling-stroke;
}

.regional-admin-outline {
  fill: none;
  stroke: rgba(39, 36, 31, 0.28);
  stroke-width: 0.45;
  vector-effect: non-scaling-stroke;
  pointer-events: none;
}

.source-country-label {
  color: var(--text);
  fill: var(--text);
  font-size: 8px;
  font-weight: 650;
  letter-spacing: 0;
  pointer-events: none;
}

.migration-empty {
  color: var(--muted);
  font-size: 0.63rem;
}

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

.generation-story > section:first-child {
  border-left: 0;
}

.generation-story-label {
  margin: 0 0 5px;
  color: var(--muted);
  font-size: 0.55rem;
  font-weight: 700;
  line-height: 1;
  text-transform: uppercase;
}

.generation-level-stack {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  align-content: start;
  gap: 5px;
  min-width: 0;
  margin: 0;
  color: var(--muted);
}

.generation-level-total {
  font-size: 0.54rem;
  font-weight: 700;
  line-height: 1.1;
  text-transform: uppercase;
  white-space: nowrap;
}

.generation-level-list {
  display: grid;
  grid-template-rows: repeat(6, minmax(0, 1fr));
  gap: 3px;
  min-width: 0;
  min-height: 0;
  margin: 0;
  padding: 0;
  overflow: hidden;
  list-style: none;
}

.generation-level-item {
  display: grid;
  grid-template-columns: minmax(24px, auto) auto minmax(0, 1fr);
  align-items: center;
  gap: 5px;
  min-height: 0;
  padding: 2px 5px;
  border: 1px solid transparent;
  border-radius: 2px;
  background: transparent;
  font-size: 0.62rem;
  line-height: 1;
  white-space: nowrap;
}

.generation-level-item small {
  color: var(--muted);
  font-size: 0.56rem;
  font-variant-numeric: tabular-nums;
}

.generation-level-item em {
  overflow: hidden;
  color: inherit;
  font-size: 0.53rem;
  font-style: normal;
  font-weight: 700;
  text-overflow: ellipsis;
}

.generation-level-item.is-visible {
  border-color: rgba(31, 111, 91, 0.18);
  background: rgba(31, 111, 91, 0.08);
  color: var(--accent-strong);
}

.generation-level-item[data-window-position="4"] {
  background: rgba(31, 111, 91, 0.11);
}

.generation-level-item[data-window-position="3"] {
  background: rgba(31, 111, 91, 0.15);
}

.generation-level-item[data-window-position="2"] {
  background: rgba(31, 111, 91, 0.2);
}

.generation-level-item[data-window-position="1"] {
  background: rgba(31, 111, 91, 0.27);
}

.generation-level-item.is-window-start {
  border-color: var(--accent);
  background: rgba(31, 111, 91, 0.38);
  color: #103e32;
  font-weight: 700;
}

.generation-level-item.is-maternal {
  border-color: var(--gold);
  background: rgba(224, 142, 22, 0.32);
  color: #70470f;
}

.generation-story-prose {
  margin: 0;
  color: var(--text);
  font-size: 0.66rem;
  line-height: 1.42;
}

.country-share-table {
  display: grid;
  align-content: start;
  max-height: 86px;
  overflow-y: auto;
}

.country-share-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 8px;
  width: 100%;
  min-height: 16px;
  padding: 0 3px;
  border: 0;
  border-bottom: 1px solid rgba(216, 211, 201, 0.62);
  border-radius: 0;
  background: transparent;
  font-size: 0.6rem;
  line-height: 1.3;
  text-align: left;
}

.country-share-row span:first-child {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.country-share-row.is-selected {
  color: var(--accent-strong);
  font-weight: 700;
}

.country-map-dot {
  fill: var(--accent);
  fill-opacity: 0.68;
  stroke: #fff;
  stroke-width: 0.75;
  vector-effect: non-scaling-stroke;
}

body[data-view="people"] {
  overflow: hidden;
}

button,
input {
  font: inherit;
}

button {
  border: 1px solid var(--line-strong);
  border-radius: 6px;
  background: var(--surface);
  color: var(--text);
  cursor: pointer;
}

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

button:focus-visible,
input:focus-visible {
  outline: 3px solid rgba(45, 125, 210, 0.35);
  outline-offset: 2px;
}

input {
  width: 100%;
  min-width: 0;
  border: 1px solid var(--line-strong);
  border-radius: 6px;
  background: var(--surface);
  color: var(--text);
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px clamp(16px, 4vw, 40px);
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(12px);
}

.brand {
  display: flex;
  align-items: center;
  min-width: 0;
  gap: 12px;
}

.brand h1,
.pane-heading h2,
.detail-heading h2 {
  margin: 0;
  line-height: 1.12;
}

.brand h1 {
  font-size: clamp(1.35rem, 2vw, 1.75rem);
}

.tree-mark {
  position: relative;
  width: 38px;
  height: 38px;
  flex: 0 0 38px;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  background: var(--surface-soft);
}

.tree-mark::before,
.tree-mark::after {
  position: absolute;
  content: "";
  background: var(--line-strong);
}

.tree-mark::before {
  left: 18px;
  top: 9px;
  width: 2px;
  height: 20px;
}

.tree-mark::after {
  left: 10px;
  top: 21px;
  width: 18px;
  height: 2px;
}

.tree-mark span {
  position: absolute;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
}

.tree-mark span:nth-child(1) {
  left: 15px;
  top: 6px;
  background: var(--gold);
}

.tree-mark span:nth-child(2) {
  left: 7px;
  top: 26px;
}

.tree-mark span:nth-child(3) {
  right: 7px;
  top: 26px;
  background: var(--rose);
}

.eyebrow {
  margin: 0 0 4px;
  color: var(--muted);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
}

.api-form {
  display: grid;
  grid-template-columns: auto minmax(220px, 360px) auto auto;
  align-items: center;
  gap: 8px;
}

.api-form input {
  height: 38px;
  padding: 0 10px;
}

.api-form button,
.search-form button {
  min-height: 38px;
  padding: 0 14px;
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
  font-weight: 700;
}

.api-form button:hover,
.search-form button:hover {
  background: var(--accent-strong);
  color: #fff;
}

.status-pill {
  min-width: 86px;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 7px 11px;
  background: var(--surface-soft);
  color: var(--muted);
  font-size: 0.85rem;
  text-align: center;
}

.status-pill.is-ok {
  border-color: rgba(31, 111, 91, 0.35);
  background: rgba(31, 111, 91, 0.12);
  color: var(--accent-strong);
}

.status-pill.is-error {
  border-color: rgba(139, 61, 66, 0.35);
  background: rgba(139, 61, 66, 0.12);
  color: var(--rose);
}

.tabs {
  display: flex;
  gap: 6px;
  overflow-x: auto;
  padding: 12px clamp(16px, 4vw, 40px);
  border-bottom: 1px solid var(--line);
  background: rgba(246, 244, 239, 0.94);
}

.tab-button {
  flex: 0 0 auto;
  min-width: 96px;
  min-height: 36px;
  padding: 0 12px;
  font-weight: 700;
}

.tab-button.is-active {
  border-color: var(--accent);
  background: rgba(31, 111, 91, 0.12);
  color: var(--accent-strong);
}

.workspace {
  display: grid;
  grid-template-columns: minmax(240px, 300px) minmax(0, 1fr);
  min-height: calc(100vh - 126px);
  gap: 0;
  padding: 0;
}

body[data-view="people"] .workspace {
  grid-template-columns: var(--people-rail-width) minmax(0, 1fr) var(--migration-panel-width);
  height: calc(100dvh - var(--story-header-height));
  min-height: 0;
}

.list-pane,
.detail-pane,
.migration-panel {
  min-width: 0;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.9);
}

.list-pane {
  align-self: start;
  min-height: calc(100vh - 126px);
  border-block: 0;
  border-left: 0;
  border-radius: 0;
  box-shadow: none;
}

.detail-pane {
  min-height: calc(100vh - 126px);
  border-block: 0;
  border-left: 0;
  border-right: 0;
  border-radius: 0;
  box-shadow: none;
}

.migration-panel {
  display: none;
  min-height: calc(100vh - 126px);
  border-block: 0;
  border-right: 0;
  padding: 4px 6px 10px;
  overflow: hidden;
}

body[data-view="people"] .migration-panel {
  position: relative;
  z-index: 1;
  display: block;
  width: auto;
  height: 100%;
  min-height: 0;
  background: #fff;
}

.migration-panel-content {
  height: calc(100% - 18px);
  min-height: 0;
}

.migration-panel-title {
  margin: 0 0 5px;
  color: var(--muted);
  font-size: 0.55rem;
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0;
  text-transform: uppercase;
}

.pane-heading,
.detail-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 14px;
  padding: 16px;
  border-bottom: 1px solid var(--line);
}

.pane-heading h2,
.detail-heading h2 {
  font-size: 1.25rem;
}

.search-form {
  display: grid;
  grid-template-columns: minmax(120px, 220px) auto;
  gap: 8px;
  width: min(100%, 360px);
}

.search-form input {
  min-height: 38px;
  padding: 0 10px;
}

.meta-line {
  min-height: 1.2rem;
  margin: 0;
  padding: 10px 16px;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.9rem;
}

.result-list {
  display: grid;
  max-height: calc(100vh - 244px);
  overflow: auto;
}

.result-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 10px;
  width: 100%;
  min-height: 64px;
  padding: 11px 16px;
  border: 0;
  border-bottom: 1px solid var(--line);
  border-radius: 0;
  background: transparent;
  color: var(--text);
  text-align: left;
}

.result-row--name-only {
  display: block;
  min-height: 30px;
  padding: 4px 16px;
  border-bottom: 0;
  font-size: 0.95rem;
}

.result-row--name-only .row-title {
  font-weight: 500;
}

.result-row:hover,
.result-row.is-selected {
  background: rgba(31, 111, 91, 0.08);
}

.result-row--name-only:hover,
.result-row--name-only.is-selected {
  background: transparent;
  color: var(--accent-strong);
}

.row-title,
.row-meta,
.row-count {
  overflow-wrap: anywhere;
}

.row-title {
  font-weight: 800;
}

.row-meta,
.row-count {
  color: var(--muted);
  font-size: 0.9rem;
}

.row-count {
  align-self: center;
  justify-self: end;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 3px 8px;
  background: var(--surface-soft);
}

.detail-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px;
}

.detail-actions button {
  min-height: 34px;
  padding: 0 11px;
}

.kpi-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(110px, 1fr));
  gap: 1px;
  border-bottom: 1px solid var(--line);
  background: var(--line);
}

.kpi {
  min-height: 70px;
  padding: 12px;
  background: var(--surface-soft);
}

.kpi strong {
  display: block;
  font-size: 1.35rem;
  line-height: 1.1;
}

.kpi span {
  color: var(--muted);
  font-size: 0.82rem;
}

.detail-content {
  display: grid;
  gap: 16px;
  padding: 16px;
}

.detail-pane.is-blank-canvas,
.detail-pane.is-tree-canvas {
  background: #fff;
}

.detail-pane.is-blank-canvas .detail-heading,
.detail-pane.is-blank-canvas .kpi-strip,
.detail-pane.is-tree-canvas .detail-heading,
.detail-pane.is-tree-canvas .kpi-strip {
  display: none;
}

.detail-pane.is-blank-canvas .detail-content,
.detail-pane.is-tree-canvas .detail-content {
  min-height: calc(100vh - 126px);
  padding: 0;
}

body[data-view="people"] .pane-heading {
  display: none;
}

body[data-view="people"] .meta-line {
  display: none;
}

body[data-view="people"] .list-pane,
body[data-view="people"] .detail-pane {
  height: 100%;
  min-height: 0;
}

body[data-view="people"] .list-pane {
  overflow: hidden;
}

body[data-view="people"] .result-list {
  height: 100%;
  max-height: none;
  align-content: start;
  padding-block: 5px;
  overflow-y: auto;
}

body[data-view="people"] .result-row--name-only {
  min-height: 18px;
  padding: 1px 8px;
  font-size: 0.68rem;
  line-height: 1.25;
  white-space: nowrap;
}

body[data-view="people"] .result-row--name-only .row-title {
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

body[data-view="people"] .detail-pane.is-blank-canvas .detail-content,
body[data-view="people"] .detail-pane.is-tree-canvas .detail-content {
  height: 100%;
  min-height: 0;
}

body[data-view="people"] .detail-pane.is-person-record {
  display: grid;
  grid-template-rows: auto auto minmax(0, 1fr);
  overflow: hidden;
}

body[data-view="people"] .detail-pane.is-person-record .detail-content {
  min-height: 0;
  align-content: start;
  overflow-y: auto;
}

.tree-stage {
  display: grid;
  gap: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  overflow: hidden;
}

.tree-stage-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 16px;
  border-bottom: 1px solid var(--line);
  background: var(--surface-soft);
}

.tree-stage-header h3 {
  margin: 0;
  font-size: 1.05rem;
}

.tree-depth-pill {
  flex: 0 0 auto;
  border: 1px solid rgba(31, 111, 91, 0.28);
  border-radius: 999px;
  padding: 4px 10px;
  background: rgba(31, 111, 91, 0.1);
  color: var(--accent-strong);
  font-size: 0.82rem;
  font-weight: 800;
}

.tree-scroll {
  overflow-x: auto;
  padding: 16px;
}

.tree-grid {
  display: grid;
  grid-template-columns: minmax(260px, 1fr) minmax(260px, 0.8fr) minmax(260px, 1fr);
  align-items: start;
  gap: 16px;
  min-width: 900px;
}

.tree-column {
  display: grid;
  gap: 12px;
  min-width: 0;
}

.tree-column h4 {
  margin: 0;
  color: var(--muted);
  font-size: 0.8rem;
  text-transform: uppercase;
}

.tree-column--root {
  align-self: stretch;
  border-inline: 1px solid var(--line);
  padding-inline: 16px;
}

.tree-generation {
  display: grid;
  grid-template-columns: 112px minmax(0, 1fr);
  gap: 10px;
  align-items: start;
}

.tree-generation-label {
  position: sticky;
  left: 0;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 800;
}

.tree-node-list {
  position: relative;
  display: grid;
  gap: 10px;
  min-width: 0;
  padding-left: 14px;
}

.tree-node-list::before {
  position: absolute;
  top: 10px;
  bottom: 10px;
  left: 3px;
  width: 1px;
  content: "";
  background: var(--line-strong);
}

.tree-card {
  position: relative;
  display: grid;
  gap: 4px;
  width: 100%;
  min-height: 112px;
  padding: 11px 12px;
  border: 1px solid var(--line);
  border-left: 4px solid var(--accent);
  border-radius: 8px;
  background: var(--surface-soft);
  color: var(--text);
  text-align: left;
}

.tree-card::before {
  position: absolute;
  top: 26px;
  left: -18px;
  width: 14px;
  height: 1px;
  content: "";
  background: var(--line-strong);
}

.tree-card:hover:not(:disabled) {
  background: rgba(31, 111, 91, 0.07);
}

.tree-card:disabled {
  cursor: default;
}

.tree-card--root {
  border-left-color: var(--gold);
  background: rgba(164, 105, 21, 0.1);
}

.tree-life,
.tree-places {
  overflow-wrap: anywhere;
}

.tree-life {
  color: var(--text);
  font-weight: 700;
}

.tree-places {
  color: var(--muted);
  font-size: 0.84rem;
}

.tree-note {
  margin: 0;
  padding: 0 16px 14px;
  color: var(--muted);
  font-size: 0.88rem;
}

.branch-tree-stage {
  height: 100%;
  min-height: 0;
  border: 0;
  border-radius: 0;
  background: #fff;
  overflow: hidden;
}

.branch-scroll {
  width: 100%;
  height: 100%;
  min-height: 0;
  overflow: hidden;
  padding: 14px 0 8px;
}

.branch-tree {
  position: relative;
  display: flex;
  align-items: stretch;
  height: 100%;
  min-height: 0;
  width: 100%;
  min-width: 0;
}

.branch-column {
  --card-height: 54px;
  --card-width: 148px;
  --card-font-size: 12px;
  --card-detail-size: 10px;
  --card-gap: 2px;
  --card-padding-x: 5px;
  --card-padding-y: 2px;
  --column-width: 162px;
  position: relative;
  display: grid;
  grid-template-rows: 34px minmax(0, 1fr);
  flex: 0 0 var(--column-width);
  width: var(--column-width);
  min-width: var(--column-width);
  height: 100%;
  padding-inline: 4px;
  pointer-events: none;
}

.branch-generation-heading {
  position: relative;
  z-index: 3;
  display: grid;
  gap: 1px;
  justify-self: center;
  justify-items: center;
  align-self: start;
  min-width: 0;
  pointer-events: auto;
}

.branch-generation-title {
  margin: 0;
  color: var(--muted);
  font-size: 0.7rem;
  font-weight: 600;
  line-height: 1;
  text-align: center;
  text-transform: uppercase;
  white-space: nowrap;
}

.branch-generation-button {
  min-width: 0;
  padding: 0 2px;
  border: 0;
  border-radius: 2px;
  background: transparent;
}

.branch-generation-button:hover,
.branch-generation-button.is-origin {
  color: var(--accent-strong);
}

.branch-generation-button.is-origin {
  box-shadow: inset 0 -1px 0 var(--accent);
}

.branch-generation-count {
  color: var(--muted);
  font-size: 0.55rem;
  font-variant-numeric: tabular-nums;
  line-height: 1;
  opacity: 0.72;
  white-space: nowrap;
}

.branch-generation-count--cumulative {
  opacity: 0.58;
}

.branch-node-list {
  position: relative;
  height: 100%;
  min-width: 0;
  min-height: 0;
}

.branch-card.tree-card {
  position: absolute;
  z-index: 2;
  top: 0;
  left: 50%;
  display: grid;
  grid-template-rows: minmax(0, 1fr) minmax(0, 1fr);
  gap: 2px;
  width: var(--card-width);
  height: var(--card-height);
  min-height: 0;
  padding: var(--card-padding-y) var(--card-padding-x);
  transform: translateX(-50%);
  border: 1px solid var(--line);
  border-radius: 4px;
  background: #fff;
  box-shadow: 0 1px 0 rgba(39, 36, 31, 0.04);
  overflow: hidden;
  pointer-events: auto;
}

.branch-card.tree-card--single-line {
  grid-template-rows: 1fr;
}

.branch-card.tree-card--single-line .tree-person-line {
  align-self: center;
}

.branch-column[data-compact-mode="hide-detail"] .branch-card.tree-card,
.branch-column[data-compact-mode="hide-name"] .branch-card.tree-card,
.branch-column[data-compact-mode="flat"] .branch-card.tree-card,
.branch-column[data-compact-mode="solid"] .branch-card.tree-card {
  grid-template-rows: 1fr;
}

.branch-column[data-compact-mode="hide-detail"] .tree-places,
.branch-column[data-compact-mode="hide-name"] .tree-places,
.branch-column[data-compact-mode="flat"] .tree-places,
.branch-column[data-compact-mode="solid"] .tree-places {
  display: none;
}

.branch-column[data-compact-mode="hide-name"] .tree-person-line,
.branch-column[data-compact-mode="flat"] .tree-person-line,
.branch-column[data-compact-mode="solid"] .tree-person-line {
  display: none;
}

.branch-column[data-compact-mode="flat"] .branch-card.tree-card {
  border-color: transparent;
  background: rgba(0, 0, 0, 0.72);
  box-shadow: none;
}

.branch-column[data-compact-mode="solid"] .branch-card.tree-card {
  border-color: #000;
  border-radius: 0;
  background: #000;
  box-shadow: none;
}

.branch-card.tree-card::before {
  display: none;
}

.branch-card.tree-card--root {
  border-color: rgba(31, 111, 91, 0.45);
  background: rgba(31, 111, 91, 0.04);
}

.branch-card.tree-card:hover:not(:disabled) {
  border-color: var(--accent);
  background: rgba(31, 111, 91, 0.04);
}

.branch-card.tree-card.tree-card--end-line,
.branch-column[data-compact-mode="flat"] .branch-card.tree-card.tree-card--end-line,
.branch-column[data-compact-mode="solid"] .branch-card.tree-card.tree-card--end-line {
  border-color: #d40016;
  box-shadow: inset 0 0 0 2px #f0182f, 0 0 0 1px rgba(212, 0, 22, 0.28);
}

.tree-person-line,
.tree-places {
  display: block;
  min-width: 0;
  overflow: hidden;
  line-height: 1.08;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.tree-person-line {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  align-self: end;
  color: var(--text);
  font-size: var(--card-font-size);
  text-align: left;
}

.tree-name {
  flex: 0 1 auto;
  min-width: 0;
  overflow: hidden;
  font-weight: 650;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.tree-life {
  flex: 0 0 auto;
  margin-left: 0.35em;
  color: var(--text);
  font-weight: 400;
}

.tree-places {
  align-self: start;
  color: var(--muted);
  font-size: var(--card-detail-size);
  text-align: left;
}

.branch-connectors {
  position: absolute;
  z-index: 1;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: auto;
  overflow: visible;
}

.branch-connectors path {
  fill: none;
  stroke: var(--line-strong);
  stroke-linecap: square;
  stroke-width: 1;
  vector-effect: non-scaling-stroke;
  pointer-events: none;
  shape-rendering: crispEdges;
}

.branch-connectors .branch-link {
  opacity: 0.82;
}

.branch-connectors .branch-segment-divider {
  stroke: rgba(39, 36, 31, 0.5);
  stroke-width: 1.5;
}

.branch-connectors .branch-segment-shade {
  cursor: pointer;
  pointer-events: all;
  stroke: none;
  transition: fill 120ms ease, opacity 120ms ease;
}

.branch-connectors .branch-segment-shade--paternal {
  fill: rgba(20, 132, 104, 0.18);
}

.branch-connectors .branch-segment-shade--maternal {
  fill: rgba(224, 142, 22, 0.16);
}

.branch-connectors .branch-segment-shade--paternal:hover,
.branch-connectors .branch-segment-shade--paternal:focus {
  fill: rgba(20, 132, 104, 0.3);
  outline: none;
}

.branch-connectors .branch-segment-shade--maternal:hover,
.branch-connectors .branch-segment-shade--maternal:focus {
  fill: rgba(224, 142, 22, 0.27);
  outline: none;
}

.branch-connectors .branch-segment-shade[data-divider-depth="2"] {
  opacity: 0.86;
}

.branch-connectors .branch-segment-shade[data-divider-depth="3"] {
  opacity: 0.7;
}

.branch-connectors .branch-segment-label {
  fill: var(--muted);
  font-family: inherit;
  font-size: 6.5px;
  font-weight: 600;
  letter-spacing: 0;
  pointer-events: none;
}

.tree-loading {
  align-self: start;
  width: fit-content;
  margin: 24px;
}

.data-section {
  display: grid;
  gap: 10px;
}

.data-section h3 {
  margin: 0;
  font-size: 1rem;
}

.field-grid,
.mini-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.field,
.mini-item,
.state-message {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface-soft);
  padding: 10px;
}

.field span,
.mini-item span {
  display: block;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
}

.field strong,
.mini-item strong {
  overflow-wrap: anywhere;
}

.line-list {
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.line-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 10px;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 10px;
  background: var(--surface-soft);
}

.line-item strong,
.line-item span {
  overflow-wrap: anywhere;
}

.line-item span {
  color: var(--muted);
  font-size: 0.88rem;
}

.tag {
  display: inline-flex;
  align-items: center;
  min-height: 26px;
  border-radius: 999px;
  padding: 2px 8px;
  background: rgba(164, 105, 21, 0.15);
  color: #6d410d;
  font-size: 0.82rem;
  font-weight: 700;
}

.state-message {
  color: var(--muted);
}

.state-message.is-error {
  border-color: rgba(139, 61, 66, 0.35);
  background: rgba(139, 61, 66, 0.09);
  color: var(--rose);
}

@media (max-width: 920px) {
  :root {
    --people-rail-width: 112px;
    --migration-panel-width: 200px;
  }

  .generation-story {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 1.3fr) minmax(150px, 0.8fr);
  }

  .topbar,
  .pane-heading,
  .detail-heading {
    align-items: stretch;
    flex-direction: column;
  }

  .api-form {
    grid-template-columns: auto minmax(0, 1fr);
  }

  .api-form button,
  .status-pill {
    grid-column: span 1;
  }

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

  .list-pane,
  .detail-pane {
    min-height: auto;
    border-right: 0;
  }

  .result-list {
    max-height: none;
  }

  .tree-grid {
    min-width: 760px;
  }

  body[data-view="people"] .workspace {
    grid-template-columns: var(--people-rail-width) minmax(0, 1fr) var(--migration-panel-width);
  }

  body[data-view="people"] .list-pane,
  body[data-view="people"] .detail-pane,
  body[data-view="people"] .result-list {
    height: 100%;
    min-height: 0;
  }
}

@media (max-width: 620px) {
  :root {
    --story-header-height: 132px;
    --people-rail-width: 96px;
    --migration-panel-width: 104px;
  }

  .generation-story {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 1.2fr) minmax(100px, 0.8fr);
  }

  .generation-story > section {
    padding: 7px 5px;
  }

  .origin-name {
    font-size: 0.7rem;
  }

  .snapshot-list,
  .horizon-option,
  .horizon-blurb {
    font-size: 0.44rem;
  }

  .origin-summary {
    grid-template-columns: minmax(0, 1fr) 70px;
    gap: 3px;
  }

  .horizon-option-row {
    grid-template-columns: minmax(62px, 0.45fr) minmax(0, 1fr);
    gap: 3px;
  }

  .horizon-option {
    min-height: 16px;
  }

  .topbar {
    padding-inline: 14px;
  }

  .tabs {
    padding-inline: 14px;
  }

  .workspace {
    padding-inline: 14px;
    padding-block: 14px;
    gap: 14px;
  }

  .search-form,
  .field-grid,
  .mini-grid,
  .kpi-strip {
    grid-template-columns: 1fr;
  }

  .api-form {
    grid-template-columns: 1fr;
  }

  .api-form label {
    margin-bottom: -4px;
  }

  body[data-view="people"] .workspace {
    grid-template-columns: var(--people-rail-width) minmax(0, 1fr) var(--migration-panel-width);
    gap: 0;
    padding: 0;
  }

  body[data-view="people"] .result-row--name-only {
    padding-inline: 6px;
    font-size: 0.64rem;
  }

  .branch-column {
    padding-inline: 3px;
  }

  .migration-panel {
    padding-inline: 5px;
  }
}