:root {
  color-scheme: dark;
  --bg: #0a1728;
  --surface: #10233a;
  --surface-raised: #152b46;
  --surface-hover: #1b3656;
  --card: #162d49;
  --card-muted: #132741;
  --primary: #8ab4ff;
  --primary-strong: #a7c8ff;
  --accent: #5eead4;
  --accent-soft: rgba(94, 234, 212, .14);
  --text: #f4f8ff;
  --muted: #b8c4d6;
  --muted-strong: #d5e2f6;
  --border: #3a4d66;
  --border-soft: rgba(138, 180, 255, .18);
  --danger: #ff8fa3;
  --warning: #ffd166;
  --shadow: 0 22px 52px rgba(2, 9, 19, .3);
  --font-heading: "Arial Black", Impact, Haettenschweiler, sans-serif;
  --font-body: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  font-family: var(--font-body);
}

* { box-sizing: border-box; }

html {
  min-height: 100%;
  scroll-behavior: smooth;
  background: var(--bg);
}

body {
  min-height: 100%;
  margin: 0;
  padding: 8px;
  background: #0a1728;
  color: var(--text);
}

button,
input,
select,
textarea { font: inherit; }

.lucide {
  width: 1.05rem;
  height: 1.05rem;
  flex: 0 0 auto;
  stroke-width: 2;
}

button,
.file-button {
  min-height: 42px;
  border: 1px solid var(--border-soft);
  border-radius: 8px;
  background: var(--surface-raised);
  color: var(--text);
  padding: 10px 14px;
  font-weight: 800;
  line-height: 1.2;
  cursor: pointer;
  transition: border-color .18s ease, background .18s ease, box-shadow .18s ease, transform .18s ease;
}

button,
.file-button { font-family: var(--font-mono); }

button:hover,
.file-button:hover {
  border-color: rgba(138, 180, 255, .46);
  background: var(--surface-hover);
}

button:active,
.file-button:active { transform: translateY(1px); }

button:disabled,
input:disabled { cursor: not-allowed; opacity: .55; }

button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
summary:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

button[hidden],
[hidden] { display: none !important; }

a { color: var(--accent); }

h1,
h2,
h3,
p { margin-top: 0; }

h1,
h2,
h3 {
  color: var(--text);
  font-family: var(--font-heading);
  line-height: 1.12;
}

h1 { font-size: clamp(1.7rem, 3vw, 2.35rem); }
h2 { font-size: clamp(1.1rem, 2vw, 1.35rem); }
h3 { font-size: 1rem; }

label {
  display: grid;
  gap: 7px;
  color: var(--muted-strong);
  font-family: var(--font-mono);
  font-size: .84rem;
  font-weight: 800;
}

.eyebrow,
.section-kicker,
.top-nav,
.header-actions,
.tab,
.status-chip,
.source-type,
.person-status,
.change-status { font-family: var(--font-mono); }

input,
select,
textarea {
  width: 100%;
  min-height: 44px;
  border: 1px solid var(--border-soft);
  border-radius: 8px;
  background: rgba(17, 38, 63, .92);
  color: var(--text);
  padding: 10px 12px;
}

textarea { min-height: 104px; resize: vertical; }
input::placeholder,
textarea::placeholder { color: #9dadc3; opacity: 1; }

.app-shell {
  width: min(1500px, 100%);
  min-height: calc(100dvh - 16px);
  margin: 0 auto;
  overflow: clip;
  border: 1px solid var(--border-soft);
  border-radius: 12px;
  background: var(--bg);
  box-shadow: var(--shadow);
}

.app-header {
  position: sticky;
  top: 0;
  z-index: 30;
  display: grid;
  grid-template-columns: minmax(220px, 1fr) auto minmax(190px, 1fr);
  align-items: center;
  gap: 24px;
  min-height: 78px;
  padding: 12px 28px;
  border-bottom: 1px solid var(--border-soft);
  background: rgba(10, 23, 40, .94);
  backdrop-filter: blur(18px);
}

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

.brand-mark {
  width: 46px;
  height: 46px;
  flex: 0 0 46px;
  object-fit: contain;
}

.brand-lockup strong,
.brand-lockup span { display: block; }

.brand-lockup strong {
  font: 900 1.02rem/1.2 var(--font-heading);
  letter-spacing: .01em;
}

.brand-lockup span {
  margin-top: 3px;
  color: var(--muted);
  font-size: .82rem;
}

.top-nav,
.header-actions {
  display: flex;
  align-items: center;
  gap: 18px;
}

.top-nav { justify-content: center; }
.header-actions { justify-content: flex-end; }

.nav-link,
.ghost-action {
  min-height: 38px;
  border: 0;
  border-radius: 0;
  background: transparent;
  color: var(--muted-strong);
  padding: 8px 0;
  font-size: .88rem;
}

.ghost-action,
.icon-text-button,
.text-action,
.icon-link,
.form-card h2 {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.nav-link {
  border-bottom: 2px solid transparent;
}

.nav-link:hover,
.nav-link.active { color: var(--accent); border-bottom-color: var(--accent); }
.ghost-action:hover { color: var(--text); background: transparent; }

.profile-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  min-width: 132px;
  border-color: rgba(94, 234, 212, .5);
  background: var(--accent);
  color: #082032;
  box-shadow: 0 10px 24px rgba(94, 234, 212, .14);
}

.profile-action:hover { border-color: var(--accent); background: #88f0df; }

.workspace {
  width: min(1320px, 100%);
  margin: 0 auto;
  padding: 0 44px 42px;
}

.view { display: none; scroll-margin-top: 100px; }
.view.active { display: block; }

.overview-view { padding-bottom: 8px; }

.hero-panel {
  position: relative;
  min-height: 420px;
  margin: 0 -44px 28px;
  padding: 64px 78px;
  isolation: isolate;
  background:
    linear-gradient(90deg, rgba(7, 22, 40, .98) 0%, rgba(7, 22, 40, .91) 38%, rgba(7, 22, 40, .4) 72%, rgba(7, 22, 40, .2) 100%),
    url("assets/heritage-template-tree.png") center / cover no-repeat;
  border-bottom: 1px solid var(--border-soft);
}

.hero-copy { width: min(620px, 100%); }

.eyebrow,
.section-kicker {
  margin-bottom: 9px;
  color: var(--accent);
  font-size: .74rem;
  font-weight: 900;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.hero-copy h1 {
  margin-bottom: 18px;
  font-size: clamp(2.5rem, 5vw, 4.4rem);
  letter-spacing: -.035em;
}

.hero-copy h1 span { color: var(--primary); }

.hero-copy > p:last-of-type {
  max-width: 580px;
  margin-bottom: 0;
  color: #d6e2f5;
  font-size: 1.05rem;
  line-height: 1.7;
}

.hero-actions,
.card-actions,
.tool-row,
.dialog-actions {
  display: flex;
  align-items: center;
  gap: 9px;
  flex-wrap: wrap;
}

.hero-actions { gap: 12px; margin-top: 27px; }

.primary-action,
.outline-action {
  min-height: 46px;
  padding-inline: 18px;
}

.primary-action {
  border-color: var(--primary);
  background: var(--primary);
  color: #071a2c;
  box-shadow: 0 10px 24px rgba(138, 180, 255, .15);
}

.primary-action:hover { border-color: var(--primary-strong); background: var(--primary-strong); }

.outline-action {
  border-color: rgba(94, 234, 212, .75);
  background: rgba(8, 29, 47, .5);
  color: var(--text);
}

.outline-action:hover { background: var(--accent-soft); border-color: var(--accent); }

.review-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.metric,
.overview-card,
.backend-panel,
.person-card,
.change-card,
.source-note-card,
.source-card,
.access-card,
.invite-card,
.install-card,
.sync-panel,
.image-stage,
.dialog {
  border: 1px solid var(--border-soft);
  border-radius: 10px;
  background: var(--card);
  box-shadow: 0 12px 30px rgba(2, 9, 19, .18);
}

.metric {
  min-height: 112px;
  padding: 19px 22px;
}

.metric span {
  display: block;
  color: var(--danger);
  font: 900 2.25rem/1 var(--font-heading);
}

.metric strong {
  display: block;
  margin-top: 8px;
  color: var(--muted-strong);
  font-size: .75rem;
  letter-spacing: .1em;
  text-transform: uppercase;
}

.metric small {
  display: block;
  margin-top: 7px;
  color: var(--muted);
  font-size: .72rem;
}

.metric-progress {
  height: 4px;
  margin-top: 8px;
  overflow: hidden;
  border-radius: 99px;
  background: rgba(184, 196, 214, .13);
}

.metric-progress div {
  width: 0;
  height: 100%;
  border-radius: inherit;
  background: var(--accent);
  transition: width .25s ease;
}

.account-panel { margin-top: 16px; }

.backend-panel {
  display: grid;
  grid-template-columns: minmax(230px, .78fr) minmax(0, 1.5fr);
  align-items: center;
  gap: 20px;
  padding: 16px;
}

.backend-summary { display: grid; gap: 7px; }
.backend-summary p { margin: 0; color: var(--muted); font-size: .89rem; line-height: 1.45; }

.backend-controls {
  display: grid;
  grid-template-columns: minmax(180px, 1fr) max-content max-content max-content;
  align-items: end;
  gap: 8px;
}

.backend-controls button { white-space: nowrap; }

.account-panel[data-account-state="signed-out"] #reloadSharedData,
.account-panel[data-account-state="signed-out"] #signOut,
.account-panel[data-account-state="signed-in"] .backend-controls label,
.account-panel[data-account-state="signed-in"] #sendMagicLink { display: none; }

.account-panel[data-account-state="signed-in"] .backend-panel {
  grid-template-columns: minmax(0, 1fr) max-content;
  padding-block: 12px;
}

.account-panel[data-account-state="signed-in"] .backend-controls {
  grid-template-columns: repeat(2, max-content);
}

.account-profile {
  margin-top: 10px;
  border: 1px solid var(--border-soft);
  border-radius: 9px;
  background: rgba(15, 34, 56, .62);
}

.account-profile summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-height: 44px;
  cursor: pointer;
  padding: 10px 14px;
  color: var(--muted-strong);
  font-size: .82rem;
  font-weight: 800;
  list-style: none;
}

.account-profile summary::-webkit-details-marker { display: none; }
.account-profile summary span { display: inline-flex; align-items: center; gap: 8px; }
.account-profile summary small { color: var(--muted); font-weight: 600; }
.account-profile[open] summary { border-bottom: 1px solid var(--border-soft); }

.reviewer-panel {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  padding: 14px;
}

.status-pill,
.badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: max-content;
  min-height: 27px;
  border-radius: 999px;
  padding: 4px 9px;
  font-size: .71rem;
  font-weight: 900;
  letter-spacing: .06em;
  text-align: center;
  text-transform: uppercase;
  white-space: nowrap;
}

.status-pill.local,
.badge.needs_review { color: #ffe7a3; background: rgba(255, 209, 102, .17); }
.status-pill.ready,
.badge.confirmed { color: #a8ffe9; background: rgba(94, 234, 212, .17); }
.status-pill.needs_login,
.badge.added { color: #cfe0ff; background: rgba(138, 180, 255, .18); }
.status-pill.error,
.badge.disputed { color: #ffc4ce; background: rgba(255, 143, 163, .18); }

.overview-grid {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 14px;
  margin-top: 22px;
}

.overview-card {
  min-height: 238px;
  padding: 23px;
}

.overview-tree-card {
  min-height: 100%;
  border-color: rgba(94, 234, 212, .26);
  background: var(--card-muted);
  box-shadow: inset 4px 0 0 rgba(94, 234, 212, .68), 0 12px 30px rgba(2, 9, 19, .18);
}

.overview-card h2 { margin-bottom: 10px; }
.overview-card p:not(.section-kicker) { color: var(--muted); line-height: 1.55; }

.overview-card-header,
.person-top,
.view-heading-split {
  display: flex;
  justify-content: space-between;
  align-items: start;
  gap: 14px;
}

.overview-card-header { margin-bottom: 14px; }
.overview-card-header h2 { margin: 0; }

.text-action {
  min-height: 30px;
  border: 0;
  border-bottom: 1px solid transparent;
  border-radius: 0;
  background: transparent;
  color: var(--accent);
  padding: 3px 0;
  font-size: .83rem;
}

.text-action .lucide,
.icon-link .lucide { width: .92rem; height: .92rem; }

.text-action:hover { border-bottom-color: var(--accent); background: transparent; }

.overview-list { display: grid; gap: 2px; }

.overview-list-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 51px;
  gap: 12px;
  border-top: 1px solid rgba(184, 196, 214, .1);
  padding: 10px 0;
}

.overview-list-item strong,
.overview-list-item span { display: block; }
.overview-list-item strong { font-size: .91rem; }
.overview-list-item span { margin-top: 4px; color: var(--muted); font-size: .78rem; }

.mini-action { min-height: 33px; padding: 7px 10px; font-size: .77rem; }
.overview-empty { color: var(--muted); font-size: .88rem; line-height: 1.5; }

.view-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 18px;
  margin: 32px 0 18px;
}

.view-heading h1 { margin-bottom: 7px; }
.view-heading p:last-child { max-width: 680px; margin-bottom: 0; color: var(--muted); line-height: 1.55; }
.view-heading .eyebrow { margin-bottom: 6px; }

.tool-row { margin: 0 0 13px; }
.tool-row.wrap { align-items: stretch; }

.correction-action { margin-left: auto; border-color: rgba(94, 234, 212, .42); }

#zoomReadout {
  min-width: 55px;
  color: var(--muted-strong);
  text-align: center;
  font-size: .85rem;
  font-weight: 900;
}

.image-stage {
  position: relative;
  height: calc(100dvh - 270px);
  min-height: 480px;
  overflow: auto;
  background: #081524;
  -webkit-overflow-scrolling: touch;
}

.image-stage img {
  display: none;
  width: var(--tree-width, 100%);
  max-width: none;
  height: auto;
  margin: 0 auto;
  transform-origin: top center;
}

.image-stage img.loaded { display: block; }

.empty-state {
  display: grid;
  min-height: 210px;
  place-items: center;
  padding: 24px;
  color: var(--muted);
  text-align: center;
  line-height: 1.55;
}

.empty-state[hidden] { display: none; }

.tree-finder {
  display: grid;
  grid-template-columns: minmax(230px, .45fr) minmax(0, 1fr);
  gap: 10px 16px;
  align-items: end;
  margin: 0 0 16px;
  border: 1px solid var(--border-soft);
  background: rgba(15, 22, 13, .72);
  padding: 16px;
}

.tree-finder > label { grid-column: 1; }
.tree-finder > input { grid-column: 1; }

.tree-person-results {
  grid-row: 1 / span 2;
  grid-column: 2;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(165px, 1fr));
  gap: 7px;
  align-self: stretch;
}

.tree-person-results .overview-empty {
  align-self: center;
  margin: 0;
}

.tree-person-result {
  min-height: 48px;
  display: grid;
  align-content: center;
  gap: 3px;
  border-color: rgba(169, 195, 145, .2);
  padding: 7px 10px;
  text-align: left;
  text-transform: none;
  letter-spacing: normal;
}

.tree-person-result span,
.tree-person-result small { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.tree-person-result span { color: var(--text); font-family: var(--font-heading); font-size: .88rem; }
.tree-person-result small { color: var(--muted); font-size: .7rem; }
.tree-person-result:hover span,
.tree-person-result:hover small { color: var(--paper-ink); }

.tree-relationship-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 9px 22px;
  align-items: center;
  margin: -4px 0 14px;
  color: var(--muted-strong);
  font-size: .72rem;
}

.tree-relationship-legend span { display: inline-flex; gap: 8px; align-items: center; }

.legend-line {
  width: 30px;
  height: 0;
  border-top: 2px solid rgba(215, 244, 159, .78);
  border-radius: 999px;
}

.legend-line.dashed { border-top-style: dashed; }

.legend-junction {
  width: 8px;
  height: 8px;
  border: 2px solid #0d120c;
  border-radius: 50%;
  background: var(--primary);
  box-shadow: 0 0 0 1px rgba(215, 244, 159, .7);
}

.interactive-tree-stage {
  height: min(68dvh, 760px);
  min-height: 490px;
  padding: 14px;
  overscroll-behavior: contain;
  touch-action: pan-x pan-y;
}

.interactive-tree-stage:focus-visible { outline: 2px solid var(--primary); outline-offset: 3px; }

.tree-viewport {
  position: relative;
  min-width: 1px;
  min-height: 1px;
  margin: 0 auto;
}

.tree-viewport[hidden] { display: none; }

.tree-canvas {
  position: absolute;
  top: 0;
  left: 0;
  transform-origin: top left;
}

.tree-connectors,
.tree-nodes { position: absolute; inset: 0; }
.tree-connectors { overflow: visible; pointer-events: none; }

.tree-parent-connector,
.tree-parent-connector-outline,
.tree-spouse-connector {
  fill: none;
  vector-effect: non-scaling-stroke;
}

.tree-parent-connector-outline {
  stroke: #0d120c;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 8;
}

.tree-parent-connector {
  stroke: rgba(215, 244, 159, .72);
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 2;
}

.tree-family-connector.is-single-parent .tree-parent-connector { stroke-dasharray: 7 5; }

.tree-parent-junction {
  fill: var(--primary);
  stroke: #0d120c;
  stroke-width: 2;
  vector-effect: non-scaling-stroke;
}

.tree-parent-junction.branch { fill: var(--accent); }
.tree-spouse-connector { stroke: var(--primary); stroke-width: 2; }

.tree-person-node {
  position: absolute;
  z-index: 1;
  min-height: 0;
  display: grid;
  align-content: start;
  gap: 5px;
  overflow: hidden;
  border: 1px solid rgba(169, 195, 145, .42);
  background: rgba(20, 29, 17, .98);
  color: var(--text);
  padding: 13px 14px 11px;
  box-shadow: 0 12px 26px rgba(0, 0, 0, .24);
  text-align: left;
  text-transform: none;
  letter-spacing: normal;
}

.tree-person-node:hover,
.tree-person-node:focus-visible,
.tree-person-node.is-highlighted {
  z-index: 2;
  border-color: var(--primary);
  background: #28341f;
  color: var(--text);
  box-shadow: 0 0 0 3px rgba(215, 244, 159, .12), 0 16px 34px rgba(0, 0, 0, .32);
}

.tree-person-node.is-highlighted { animation: tree-highlight 1.2s ease-out 2; }
.tree-person-node strong { overflow: hidden; color: var(--text); font-family: var(--font-heading); font-size: 1rem; font-weight: 400; line-height: 1.1; text-overflow: ellipsis; white-space: nowrap; }
.tree-person-node > span:not(.tree-node-status):not(.tree-warning) { color: var(--muted-strong); font-size: .76rem; }
.tree-person-node small { overflow: hidden; color: var(--muted); font-size: .68rem; line-height: 1.25; text-overflow: ellipsis; white-space: nowrap; }

.tree-node-status {
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--warning);
}
.tree-node-status.confirmed { background: var(--primary); }
.tree-node-status.disputed { background: var(--danger); }
.tree-node-status.added { background: var(--accent); }

.tree-person-node.has-cycle { border-style: dashed; }
.tree-warning { color: var(--warning); font-size: .58rem; line-height: 1; text-transform: uppercase; }

@keyframes tree-highlight {
  0%, 100% { box-shadow: 0 0 0 3px rgba(215, 244, 159, .12); }
  50% { box-shadow: 0 0 0 8px rgba(215, 244, 159, .24); }
}

.unlinked-family {
  display: grid;
  grid-template-columns: minmax(220px, .4fr) minmax(0, 1fr);
  gap: 24px;
  margin-top: 18px;
  border: 1px dashed rgba(169, 195, 145, .28);
  padding: 22px;
}

.unlinked-family[hidden] { display: none; }
.unlinked-family h2 { margin-bottom: 8px; }
.unlinked-family p:last-child { color: var(--muted); line-height: 1.5; }
.unlinked-people { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 8px; }
.unlinked-people button { display: grid; gap: 4px; text-align: left; text-transform: none; letter-spacing: normal; }
.unlinked-people strong { font-family: var(--font-heading); font-weight: 400; }
.unlinked-people span { color: var(--muted); font-size: .75rem; }

.person-view { padding: 54px 0 28px; }
.person-detail { display: grid; gap: 20px; }
.person-profile-hero { display: grid; gap: 24px; border-bottom: 1px solid var(--border-soft); padding: 0 0 34px; }
.person-profile-identity { display: grid; grid-template-columns: auto minmax(0, 1fr) auto; align-items: center; gap: 20px; }
.person-profile-identity h1 { margin: 0 0 18px; font-size: clamp(2.8rem, 7vw, 6rem); line-height: .88; }
.person-profile-identity h1:focus { outline: none; }
.person-profile-identity .person-context { margin-top: 9px; }
.person-avatar-large { width: 88px; height: 88px; font-size: 1.35rem; }
.privacy-badge { align-self: start; border: 1px solid var(--warning); color: var(--warning); padding: 8px 10px; font-size: .66rem; letter-spacing: .08em; text-transform: uppercase; }

.person-detail-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.profile-section { border: 1px solid var(--border-soft); background: rgba(20, 27, 18, .92); padding: 24px; }
.profile-section-wide { grid-column: 1 / -1; }
.profile-section h2 { margin-bottom: 18px; font-size: clamp(1.55rem, 3vw, 2.4rem); }
.relationship-group { display: grid; gap: 8px; border-top: 1px solid var(--border-soft); padding: 12px 0; }
.relationship-group > strong { color: var(--muted); font-size: .7rem; letter-spacing: .08em; text-transform: uppercase; }
.relative-links { display: flex; gap: 7px; flex-wrap: wrap; }
.relative-links button { min-height: 36px; padding: 7px 10px; text-transform: none; letter-spacing: normal; }
.fact-list { display: grid; gap: 1px; margin: 0 0 16px; }
.fact-list div { display: grid; grid-template-columns: minmax(90px, .3fr) minmax(0, 1fr); gap: 12px; border-top: 1px solid var(--border-soft); padding: 11px 0; }
.fact-list dt { color: var(--muted); font-size: .75rem; text-transform: uppercase; }
.fact-list dd { margin: 0; line-height: 1.45; }
.section-heading-inline { display: flex; justify-content: space-between; align-items: start; gap: 16px; }
.profile-story-list,
.comment-list { display: grid; gap: 10px; }
.profile-story-list article,
.comment-list article { border-left: 2px solid var(--border); background: rgba(184, 212, 149, .035); padding: 15px; }
.profile-story-list h3 { margin: 7px 0; }
.profile-story-list p,
.comment-list p { color: var(--muted-strong); line-height: 1.55; }
.profile-story-list small,
.story-kind { color: var(--muted); font-size: .68rem; text-transform: uppercase; }
.comment-form { display: grid; gap: 10px; margin-top: 16px; }
.comment-form button { justify-self: start; }

.list-tools {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(200px, .35fr);
  gap: 10px;
  margin-bottom: 14px;
}

.people-list,
.change-list,
.source-list,
.invite-list { display: grid; gap: 12px; }

.person-card,
.change-card,
.source-note-card,
.access-card,
.invite-card,
.install-card { padding: 17px; }

.person-card { display: grid; gap: 11px; }
.person-top > div { min-width: 0; }

.person-card-main {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  gap: 13px;
}

.person-avatar,
.invite-avatar {
  display: grid;
  place-items: center;
  border: 1px solid rgba(138, 180, 255, .24);
  background: rgba(138, 180, 255, .11);
  color: var(--primary-strong);
  font-family: var(--font-heading);
  font-weight: 900;
}

.person-avatar { width: 46px; height: 46px; border-radius: 8px; font-size: .82rem; }
.person-card-copy { min-width: 0; }

.person-context {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 8px;
  color: var(--muted-strong);
  font-size: .8rem;
  font-weight: 700;
}

.person-context span::before { margin-right: 8px; color: var(--border); content: "\2022"; }

.relationship-chips {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin-top: 10px;
}

.relationship-chip {
  max-width: 100%;
  border: 1px solid rgba(138, 180, 255, .15);
  border-radius: 6px;
  background: rgba(10, 23, 40, .38);
  color: var(--muted);
  padding: 5px 7px;
  font-size: .72rem;
  line-height: 1.35;
}

.relationship-chip strong { color: var(--muted-strong); }
.relationship-empty { margin: 9px 0 0; color: var(--muted); font-size: .76rem; }

.person-name,
.change-title { margin: 0; font-size: 1rem; font-weight: 900; }

.person-meta,
.change-meta { color: var(--muted); font-size: .87rem; line-height: 1.45; }

.card-actions { gap: 7px; }
.card-actions button { min-height: 37px; padding: 8px 11px; font-size: .82rem; }

.change-list { position: relative; padding-left: 14px; }
.change-list::before {
  position: absolute;
  top: 12px;
  bottom: 12px;
  left: 34px;
  width: 1px;
  background: rgba(138, 180, 255, .22);
  content: "";
}

.timeline-item {
  position: relative;
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 13px;
  margin-left: 0;
  padding: 16px;
}

.timeline-marker {
  z-index: 1;
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  border: 1px solid rgba(138, 180, 255, .38);
  border-radius: 50%;
  background: var(--surface);
  color: var(--primary);
}

.timeline-content { min-width: 0; }
.change-meta { display: flex; gap: 7px; flex-wrap: wrap; margin: 5px 0 0; }
.change-meta span + span::before,
.change-meta time::before { margin-right: 7px; color: var(--border); content: "\2022"; }
.change-note { margin: 12px 0 0; color: var(--muted-strong); font-size: .88rem; line-height: 1.55; }
.timeline-content .card-actions { margin-top: 12px; }

.sync-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) max-content;
  align-items: end;
  gap: 10px;
  margin: 0 0 14px;
  padding: 14px;
}

.access-grid,
.install-grid {
  display: grid;
  gap: 14px;
}

.access-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.install-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.access-card h2,
.install-card h2 { margin-bottom: 14px; }

.invite-form { display: grid; gap: 12px; }
.invite-card { display: grid; gap: 12px; }

.field-help { color: var(--muted); font-size: .72rem; font-weight: 500; line-height: 1.45; }
.invite-identity { display: grid; grid-template-columns: 44px minmax(0, 1fr); gap: 12px; }
.invite-avatar { width: 44px; height: 44px; border-radius: 50%; }
.invite-copy { min-width: 0; }
.invite-copy .change-meta { overflow-wrap: anywhere; }
.role-description { margin: 9px 0 0; color: var(--muted); font-size: .78rem; line-height: 1.45; }
.role-description strong { color: var(--muted-strong); }
.invite-actions { justify-content: flex-end; border-top: 1px solid rgba(184, 196, 214, .1); padding-top: 10px; }
.danger-action { color: #ffc4ce; border-color: rgba(255, 143, 163, .28); background: rgba(255, 143, 163, .08); }
.danger-action:hover { border-color: rgba(255, 143, 163, .56); background: rgba(255, 143, 163, .14); }

.source-workspace {
  display: grid;
  grid-template-columns: minmax(0, 1.55fr) minmax(290px, .75fr);
  align-items: start;
  gap: 18px;
}

.source-workspace.read-only { grid-template-columns: 1fr; }
.source-workspace.read-only .source-asset-list { grid-template-columns: 1fr; }

.source-library { min-width: 0; }
.source-actions { position: sticky; top: 96px; display: grid; gap: 14px; }
.section-heading-inline h2,
.source-note-heading h2 { margin: 0; }
.source-note-heading { margin: 26px 0 12px; }

.source-asset-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.source-card { margin: 0; overflow: hidden; }
.source-card img { display: block; width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }
.source-card figcaption,
.form-card { padding: 15px; }

.source-card figcaption {
  color: var(--muted-strong);
  font-size: .88rem;
  font-weight: 800;
}

.source-card figcaption strong { display: block; margin-top: 8px; color: var(--text); }
.source-card figcaption p,
.document-source p { margin: 7px 0 0; color: var(--muted); font-size: .78rem; font-weight: 500; line-height: 1.45; }
.source-type { display: inline-flex; align-items: center; gap: 6px; color: var(--accent); font-size: .68rem; font-weight: 900; letter-spacing: .07em; text-transform: uppercase; }

.form-card { display: grid; gap: 12px; }
.form-card h2 { margin: 0; }

.document-source {
  display: flex;
  align-items: center;
  min-height: 160px;
  gap: 14px;
  padding: 18px;
}

.document-icon {
  display: inline-grid;
  width: 52px;
  height: 60px;
  flex: 0 0 52px;
  place-content: center;
  gap: 3px;
  border: 1px solid rgba(94, 234, 212, .4);
  border-radius: 7px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: .7rem;
  font-weight: 900;
  letter-spacing: .07em;
}

.document-icon .lucide { width: 20px; height: 20px; }
.document-icon small { font-size: .58rem; }

.document-source strong { display: block; margin-top: 8px; }
.document-source a { font-size: .87rem; font-weight: 800; }

.icon-link { width: fit-content; margin-top: 11px; text-decoration: none; }
.source-note-card { display: grid; grid-template-columns: 38px minmax(0, 1fr); gap: 11px; }
.source-note-card > .person-meta:only-child { grid-column: 1 / -1; margin: 0; }
.source-note-icon { display: grid; width: 36px; height: 36px; place-items: center; border-radius: 7px; background: var(--accent-soft); color: var(--accent); }
.source-note-card .change-meta { margin: 5px 0 8px; }
.source-attribution { margin: 9px 0 0 !important; color: var(--muted) !important; font-size: .72rem; }

.source-note-card p:last-child { margin-bottom: 0; line-height: 1.55; }

.install-card p,
.install-card li { color: var(--muted); line-height: 1.55; }
.install-card ol { margin-bottom: 0; padding-left: 20px; }

.dialog {
  width: min(790px, calc(100vw - 32px));
  max-height: calc(100dvh - 32px);
  overflow: auto;
  color: var(--text);
  padding: 20px;
}

.dialog::backdrop { background: rgba(3, 10, 20, .76); backdrop-filter: blur(3px); }
.dialog form { display: grid; gap: 15px; }

.dialog-header,
.dialog-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.icon-button { min-height: 35px; padding: 7px 10px; font-size: .8rem; }

.form-section {
  border: 1px solid rgba(138, 180, 255, .14);
  border-radius: 9px;
  background: rgba(10, 23, 40, .28);
  padding: 14px;
}

.form-section h3 { margin-bottom: 12px; color: var(--muted-strong); font-size: .9rem; }

.form-grid,
.relationship-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.relationship-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.relationship-grid select { min-height: 132px; }

.relationship-selection-help {
  margin: 0 0 12px;
  color: var(--muted-strong);
  font-size: .78rem;
  line-height: 1.45;
}

.file-button {
  display: inline-flex;
  align-items: center;
  width: fit-content;
}

.file-button input { display: none; }

.toast {
  position: fixed;
  z-index: 100;
  bottom: calc(18px + env(safe-area-inset-bottom));
  left: 50%;
  width: max-content;
  max-width: min(430px, calc(100% - 28px));
  transform: translate(-50%, 160%);
  border: 1px solid rgba(94, 234, 212, .48);
  border-radius: 9px;
  background: #17384b;
  color: var(--text);
  padding: 12px 14px;
  box-shadow: var(--shadow);
  transition: transform .22s ease;
}

.toast.visible { transform: translate(-50%, 0); }

.mobile-nav { display: none; }

@media (max-width: 1180px) {
  .app-header { grid-template-columns: minmax(190px, .8fr) auto minmax(165px, .65fr); gap: 16px; padding-inline: 20px; }
  .top-nav { gap: 12px; }
  .nav-link,
  .ghost-action { font-size: .82rem; }
  .header-actions { gap: 10px; }
  .workspace { padding-inline: 28px; }
  .hero-panel { margin-inline: -28px; padding-inline: 48px; }
}

@media (max-width: 1024px) {
  body { padding: 0; }
  .app-shell { min-height: 100dvh; border: 0; border-radius: 0; }
  .app-header { min-height: 66px; grid-template-columns: 1fr auto; padding: 10px 16px; }
  .brand-mark { width: 38px; height: 38px; flex-basis: 38px; }
  .brand-lockup span { display: none; }
  .top-nav,
  .ghost-action { display: none; }
  .header-actions { overflow: visible; }
  .profile-action { min-width: auto; min-height: 40px; padding: 9px 12px; }
  .workspace { padding: 0 16px calc(90px + env(safe-area-inset-bottom)); }
  .hero-panel { min-height: 390px; margin-inline: -16px; padding: 46px 24px; }
  .hero-copy h1 { font-size: clamp(2.2rem, 10vw, 3.3rem); }
  .review-strip { gap: 9px; }
  .metric { min-height: 94px; padding: 15px; }
  .metric span { font-size: 1.75rem; }
  .metric strong { font-size: .68rem; }
  .backend-panel { grid-template-columns: 1fr; gap: 14px; }
  .account-panel[data-account-state="signed-in"] .backend-panel { grid-template-columns: minmax(0, 1fr) max-content; }
  .backend-controls { grid-template-columns: 1fr 1fr; }
  .backend-controls label { grid-column: 1 / -1; }
  .backend-controls button { padding-inline: 10px; font-size: .82rem; }
  .reviewer-panel { grid-template-columns: 1fr; gap: 10px; }
  .overview-grid { grid-template-columns: 1fr; }
  .overview-card { min-height: auto; }
  .view-heading { margin: 25px 0 15px; }
  .view-heading-split { align-items: end; }
  .view-heading-split .primary-action { min-height: 42px; padding-inline: 12px; white-space: nowrap; }
  .image-stage { height: calc(100dvh - 265px); min-height: 380px; }
  .tree-finder { grid-template-columns: 1fr; }
  .tree-finder > label,
  .tree-finder > input,
  .tree-person-results { grid-column: 1; grid-row: auto; }
  .tree-person-results { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .person-view { padding-top: 28px; }
  .list-tools,
  .access-grid,
  .install-grid,
  .form-grid,
  .relationship-grid { grid-template-columns: 1fr; }
  .source-workspace { grid-template-columns: 1fr; }
  .source-actions { position: static; grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .source-asset-list { grid-template-columns: 1fr; }
  .sync-panel { grid-template-columns: 1fr; }
  .sync-panel button { width: 100%; }
  .mobile-nav {
    position: fixed;
    right: 0;
    bottom: 0;
    left: 0;
    z-index: 50;
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    align-items: stretch;
    min-height: calc(65px + env(safe-area-inset-bottom));
    border-top: 1px solid var(--border-soft);
    background: rgba(10, 23, 40, .97);
    backdrop-filter: blur(16px);
    padding-bottom: env(safe-area-inset-bottom);
  }
  .mobile-nav .tab,
  .mobile-more summary {
    display: grid;
    min-height: 64px;
    place-content: center;
    gap: 4px;
    border: 0;
    border-radius: 0;
    background: transparent;
    color: var(--muted);
    padding: 7px 3px;
    font-size: .68rem;
    font-weight: 800;
    text-align: center;
  }
  .mobile-nav .tab .lucide,
  .mobile-more summary .lucide { width: 1.15rem; height: 1.15rem; color: var(--primary); }
  .mobile-nav .tab > span,
  .mobile-more summary > span { color: inherit; font-size: .68rem; line-height: 1; }
  .mobile-nav .tab.active { color: var(--text); background: rgba(138, 180, 255, .1); }
  .mobile-nav .tab.active .lucide { color: var(--accent); }
  .mobile-more { position: relative; }
  .mobile-more summary { list-style: none; cursor: pointer; }
  .mobile-more summary::-webkit-details-marker { display: none; }
  .mobile-more-menu {
    position: absolute;
    right: 8px;
    bottom: calc(68px + env(safe-area-inset-bottom));
    display: grid;
    min-width: 168px;
    gap: 4px;
    border: 1px solid var(--border-soft);
    border-radius: 9px;
    background: #132942;
    box-shadow: var(--shadow);
    padding: 6px;
  }
  .mobile-more-menu button { min-height: 40px; border: 0; background: transparent; text-align: left; }
  .dialog { width: min(100% - 20px, 680px); padding: 16px; }
}

@media (max-width: 520px) {
  .profile-action span:last-child { display: none; }
  .profile-action { width: 42px; padding: 0; }
  .hero-panel { min-height: 360px; padding: 38px 20px; }
  .hero-actions { align-items: stretch; flex-direction: column; }
  .hero-actions button { width: 100%; }
  .metric { padding: 13px 10px; }
  .metric small { font-size: .62rem; }
  .backend-controls { grid-template-columns: 1fr; }
  .backend-controls button { width: 100%; }
  .account-panel[data-account-state="signed-in"] .backend-panel,
  .account-panel[data-account-state="signed-in"] .backend-controls { grid-template-columns: 1fr; }
  .account-profile summary { align-items: flex-start; flex-direction: column; }
  .overview-card { padding: 18px; }
  .overview-card-header { align-items: start; flex-direction: column; gap: 6px; }
  .view-heading-split { align-items: start; flex-direction: column; }
  .person-top,
  .dialog-header,
  .dialog-actions { align-items: stretch; flex-direction: column; }
  .person-top .badge { align-self: start; }
  .card-actions button { flex: 1 1 auto; }
  .tool-row { overflow-x: auto; flex-wrap: nowrap; padding-bottom: 3px; }
  .tool-row > * { flex: 0 0 auto; }
  .correction-action { margin-left: 0; }
  #view-tree .tool-row {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    overflow: visible;
    gap: 7px;
  }
  #view-tree .tool-row > * { min-width: 0; }
  #view-tree .tool-row button { width: 100%; padding-inline: 8px; }
  #view-tree #zoomReset { grid-column: 1 / -1; }
  #view-tree .correction-action { grid-column: 1 / -1; }
  .image-stage { min-height: 340px; }
  .tree-finder { padding: 12px; }
  .tree-person-results { grid-template-columns: 1fr; }
  .tree-person-results .tree-person-result:nth-of-type(n + 4) { display: none; }
  .unlinked-family,
  .person-detail-grid { grid-template-columns: 1fr; }
  .person-profile-identity { grid-template-columns: auto minmax(0, 1fr); align-items: start; gap: 14px; }
  .person-profile-identity .privacy-badge { grid-column: 1 / -1; }
  .person-avatar-large { width: 60px; height: 60px; font-size: 1rem; }
  .profile-section { padding: 18px; }
  .profile-section-wide { grid-column: auto; }
  .section-heading-inline { align-items: stretch; flex-direction: column; }
  .source-actions { grid-template-columns: 1fr; }
  .source-note-card { grid-template-columns: 1fr; }
}

@media (max-height: 520px) and (orientation: landscape) and (max-width: 1024px) {
  .app-header { position: relative; }
  .hero-panel { min-height: 320px; }
  .image-stage { height: 72dvh; min-height: 300px; }
  .mobile-nav { min-height: calc(56px + env(safe-area-inset-bottom)); }
  .mobile-nav .tab,
  .mobile-more summary { min-height: 55px; }
  .mobile-more-menu { bottom: calc(59px + env(safe-area-inset-bottom)); }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; }
}

/* Complete archive upgrade: accessible shell, discovery, review, and print. */
.skip-link {
  position: fixed; z-index: 1000; top: 8px; left: 8px; padding: 12px 16px;
  border-radius: 8px; background: #f3f0df; color: #10150f; transform: translateY(-150%);
}
.skip-link:focus { transform: translateY(0); }
.connection-banner,
.update-banner {
  display: flex; align-items: center; justify-content: center; gap: 16px; min-height: 48px;
  padding: 8px 18px; background: #5d3b25; color: #fff8e7; text-align: center;
}
.update-banner { background: #d7f49f; color: #11170f; }
.connection-banner[hidden], .update-banner[hidden] { display: none; }
.inline-error { margin: 12px 0; padding: 12px 14px; border-left: 4px solid #d9785d; background: rgba(217, 120, 93, .12); color: #ffd8cb; }
.inline-error[hidden] { display: none; }

button, input, select, textarea, .file-button, summary { min-height: 44px; }
.visually-hidden-file { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); }
.file-button:focus-within { outline: 3px solid var(--primary); outline-offset: 3px; }

.person-profile-identity .person-meta { margin-top: 1.35rem; }
.alternate-names { margin: .7rem 0 0; color: var(--muted-strong); font-style: italic; }
.relationship-path { margin-top: 22px; padding-top: 18px; border-top: 1px solid var(--line); }
.relationship-path ol, .profile-timeline, .evidence-list { margin: 12px 0 0; padding-left: 22px; }
.relationship-path li, .profile-timeline li, .evidence-list li { margin-block: 8px; }
.profile-timeline li { display: grid; grid-template-columns: minmax(110px, .35fr) 1fr; gap: 4px 18px; }
.profile-timeline li span { grid-column: 2; color: var(--muted-strong); }
.profile-hint { margin-top: 18px; color: var(--muted-strong); }

.tree-overview { display: flex; align-items: center; gap: 16px; margin: 0 0 14px; overflow-x: auto; scrollbar-width: thin; }
.tree-overview > div { display: flex; gap: 8px; }
.tree-overview button { display: grid; min-width: 130px; padding: 8px 12px; border: 1px solid var(--line); background: rgba(255,255,255,.025); color: var(--text); text-align: left; }
.tree-overview small { color: var(--muted-strong); }

.story-context { display: flex; flex-wrap: wrap; gap: 8px 18px; color: var(--muted-strong); }
.story-photo { display: block; width: min(100%, 560px); padding: 0; overflow: hidden; border: 1px solid var(--line); background: transparent; }
.story-photo img { display: block; width: 100%; max-height: 340px; object-fit: cover; }
.activity-badge { display: inline-grid; place-items: center; min-width: 20px; min-height: 20px; padding: 2px 5px; border-radius: 999px; background: #d7f49f; color: #11170f; font-size: .7rem; }
.activity-badge[hidden] { display: none; }

.global-search-results { display: grid; gap: 8px; margin-top: 16px; max-height: min(60vh, 620px); overflow: auto; }
.global-search-result { display: grid; gap: 4px; width: 100%; padding: 13px 15px; border: 1px solid var(--line); background: rgba(255,255,255,.025); color: var(--text); text-align: left; }
.global-search-result small { color: var(--muted-strong); text-transform: capitalize; }
.import-preview-list { display: grid; gap: 8px; max-height: 52vh; overflow: auto; }
.import-preview-item { display: grid; grid-template-columns: auto 1fr; gap: 12px; align-items: start; padding: 12px; border: 1px solid var(--line); }
.import-preview-item input { min-height: 24px; width: 24px; }
.import-preview-item span { display: grid; gap: 3px; }
.import-preview-item small, .import-preview-item em { color: var(--muted-strong); }
.change-diff { display: grid; gap: 8px; margin: 18px 0; }
.change-diff > div { display: grid; grid-template-columns: minmax(110px, .3fr) 1fr; gap: 10px; padding: 10px; background: rgba(255,255,255,.025); }
.change-diff dd { display: grid; gap: 5px; margin: 0; overflow-wrap: anywhere; }
.change-diff s { color: #db9a86; }

@media (max-width: 650px) {
  .connection-banner, .update-banner { align-items: stretch; flex-direction: column; gap: 6px; }
  .person-profile-identity .person-meta { margin-top: 1rem; }
  .profile-timeline li, .change-diff > div { grid-template-columns: 1fr; }
  .profile-timeline li span { grid-column: 1; }
  .tree-overview { align-items: flex-start; flex-direction: column; }
}

@media print {
  :root { color-scheme: light; }
  body, .memory-atlas-theme { background: #fff !important; color: #111 !important; font-size: 11pt; }
  .app-header, .mobile-nav, .connection-banner, .update-banner, .tool-row, .backend-panel,
  .card-actions, .comment-form, .toast, dialog, .atlas-footer, .skip-link { display: none !important; }
  .workspace { max-width: none; padding: 0 !important; }
  .view { display: none !important; }
  .view.active { display: block !important; }
  .person-profile-hero, .profile-section, .person-card, .story-card, .change-card { break-inside: avoid; border-color: #bbb !important; background: #fff !important; color: #111 !important; box-shadow: none !important; }
  a { color: #111 !important; text-decoration: none; }
  @page { margin: .55in; }
}

.story-comments {
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid color-mix(in srgb, currentColor 18%, transparent);
}
.story-comments ol { list-style: none; margin: 0 0 1rem; padding: 0; display: grid; gap: .75rem; }
.story-comments li { padding: .75rem; border-radius: .75rem; background: color-mix(in srgb, var(--surface, #fff) 88%, transparent); }
.story-comments li p { margin: .3rem 0; }
.story-comments li time { font-size: .8rem; opacity: .72; }
.story-comments form { display: grid; gap: .5rem; }
.story-comments textarea { width: 100%; resize: vertical; }