:root {
  color-scheme: light;
  --bg: #f5f5f7;
  --surface: rgba(255, 255, 255, 0.82);
  --surface-solid: #ffffff;
  --surface-2: rgba(0, 0, 0, 0.035);
  --ink: #1d1d1f;
  --muted: #6e6e73;
  --line: rgba(0, 0, 0, 0.1);
  --accent: #0071e3;
  --accent-2: #0071e3;
  --accent-3: #5856d6;
  --heritage: #7a684e;
  --soft-gold: rgba(0, 113, 227, 0.1);
  --spouse-surface: #fff3f6;
  --success: #34c759;
  --danger: #ff3b30;
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.07);
  --radius: 8px;
  --font-serif: "Noto Serif KR", "Songti SC", "AppleMyungjo", Georgia, serif;
  --font-display: "Noto Serif KR", "Songti SC", "AppleMyungjo", Georgia, serif;
  --font-sans: -apple-system, BlinkMacSystemFont, "Pretendard", "SF Pro Text", "Segoe UI", "Noto Sans KR", "Apple SD Gothic Neo", sans-serif;
}

[data-theme="dark"] {
  color-scheme: dark;
  --bg: #000000;
  --surface: rgba(28, 28, 30, 0.78);
  --surface-solid: #1c1c1e;
  --surface-2: rgba(255, 255, 255, 0.07);
  --ink: #f5f5f7;
  --muted: #a1a1a6;
  --line: rgba(255, 255, 255, 0.14);
  --accent: #0a84ff;
  --accent-2: #0a84ff;
  --accent-3: #5e5ce6;
  --heritage: #c8b99d;
  --soft-gold: rgba(10, 132, 255, 0.14);
  --spouse-surface: #3a242b;
  --success: #30d158;
  --danger: #ff453a;
  --shadow: 0 16px 42px rgba(0, 0, 0, 0.42);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  color: var(--ink);
  background: var(--bg);
  font-family: var(--font-sans);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body[data-section="tree"] {
  overflow: hidden;
}

button,
input,
textarea {
  font: inherit;
}

button {
  cursor: pointer;
}

.app-shell {
  width: min(1500px, 100%);
  margin: 0 auto;
  padding: 16px;
}

body[data-section="login-screen"] .app-shell {
  width: 100%;
  min-height: 100dvh;
  display: grid;
  place-items: center;
  padding: clamp(20px, 5vw, 48px);
}

body[data-section="tree"] .app-shell {
  width: 100%;
  height: 100dvh;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  gap: 12px;
}

body[data-section="tree"] main {
  min-height: 0;
}

body[data-section="login-screen"] .topbar {
  display: none;
}

body[data-section="login-screen"] main {
  width: min(100%, 440px);
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: grid;
  grid-template-columns: minmax(210px, 1fr) auto auto auto;
  gap: 18px;
  align-items: center;
  padding: 14px 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: color-mix(in srgb, var(--surface) 94%, transparent);
  box-shadow: 0 1px 0 rgba(0, 0, 0, 0.03);
  backdrop-filter: saturate(180%) blur(22px);
}

.brand {
  display: inline-flex;
  gap: 12px;
  align-items: center;
  color: inherit;
  text-decoration: none;
  min-width: 0;
}

.brand-mark {
  display: grid;
  place-items: center;
  flex: 0 0 42px;
  width: 42px;
  height: 42px;
  border: 0;
  border-radius: 50%;
  color: #ffffff;
  background: var(--ink);
  font-family: var(--font-serif);
  font-size: 1.22rem;
  font-weight: 700;
}

.brand strong,
.brand small {
  display: block;
  white-space: nowrap;
}

.brand strong {
  font-family: var(--font-display);
  font-size: 1.02rem;
  font-weight: 700;
}

.brand small {
  color: var(--muted);
  font-size: 0.8rem;
}

.main-nav {
  display: flex;
  gap: 6px;
  padding: 3px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface-2);
}

.nav-button,
.theme-toggle,
.primary-action,
.secondary-action,
.text-link,
.view-switch-button,
.icon-button {
  border: 0;
  border-radius: 6px;
}

.nav-button {
  min-height: 36px;
  padding: 0 13px;
  color: var(--muted);
  background: transparent;
  font-size: 0.9rem;
  font-weight: 650;
  white-space: nowrap;
}

.nav-button.is-active {
  color: #ffffff;
  background: var(--accent);
}

.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  background: var(--surface-solid);
}

.logout-icon,
.short-label {
  display: none;
}

.theme-icon {
  display: none;
  color: var(--ink);
}

[data-theme="dark"] .moon-icon {
  display: block;
}

html:not([data-theme="dark"]) .sun-icon {
  display: block;
}

.page-section {
  display: none;
  padding: 28px 0 16px;
}

.page-section.is-active {
  display: block;
}

body[data-section="tree"] #tree.page-section {
  height: 100%;
  min-height: 0;
  padding: 0;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(320px, 0.6fr);
  gap: 20px;
  align-items: stretch;
}

.hero-copy,
.login-panel,
.story-feature,
.quick-card,
.search-panel,
.tree-stage,
.detail-panel,
.compose-box,
.admin-card,
.source-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
  backdrop-filter: saturate(160%) blur(18px);
}

#board, #admin, #sources {
  max-width: 1200px;
  margin: 0 auto;
  padding: 24px;
}

.hero-copy {
  min-height: 400px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: clamp(28px, 5vw, 64px);
  background: var(--surface-solid);
  overflow: hidden;
}

.hero-copy::before {
  content: "";
  display: block;
  width: 58px;
  height: 4px;
  margin-bottom: auto;
  border-radius: 999px;
  background: var(--accent);
}

.eyebrow,
.section-kicker {
  margin: 0;
  color: var(--accent-2);
  font-size: 0.78rem;
  font-weight: 700;
}

h1,
h2,
h3 {
  margin: 0;
  color: var(--ink);
  line-height: 1.18;
}

h1,
.story-feature h2 {
  font-family: var(--font-display);
}

.panel-heading h2,
.quick-card h2,
.tree-stage-head h2,
.post-title,
.source-title {
  font-family: var(--font-display);
  font-weight: 700;
}

h1 {
  max-width: 760px;
  margin-top: 12px;
  font-size: clamp(2.45rem, 5vw, 4.7rem);
  font-weight: 700;
  letter-spacing: 0;
}

h2 {
  font-size: 1.35rem;
  font-weight: 720;
}

h3 {
  font-size: 1rem;
}

.hero-text {
  max-width: 680px;
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 1.05rem;
}

.hero-actions,
.detail-actions,
.filter-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.primary-action,
.secondary-action,
.text-link {
  min-height: 42px;
  padding: 0 20px;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 99px; /* Pill shape for modern look */
  transition: all 0.2s cubic-bezier(0.25, 0.1, 0.25, 1);
  cursor: pointer;
  letter-spacing: -0.01em;
  white-space: nowrap;
}

.primary-action {
  color: #ffffff;
  background: var(--accent);
  border: none;
  box-shadow: 0 4px 12px color-mix(in srgb, var(--accent) 30%, transparent);
}

.primary-action:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 16px color-mix(in srgb, var(--accent) 40%, transparent);
}

.secondary-action {
  color: var(--ink);
  border: 1px solid var(--line);
  background: var(--surface-solid);
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.03);
}

.secondary-action:hover {
  background: color-mix(in srgb, var(--surface-solid) 96%, var(--ink));
  transform: translateY(-1px);
}

.text-link {
  color: var(--accent-2);
  background: transparent;
  padding-inline: 0;
  text-align: left;
}

.full-width {
  width: 100%;
}

.login-panel,
.search-panel,
.detail-panel {
  padding: 22px;
}

.panel-heading {
  display: grid;
  gap: 6px;
  margin-bottom: 18px;
}

.login-form,
.compact-form,
.compose-box {
  display: grid;
  gap: 14px;
}

.login-actions {
  display: grid;
  gap: 10px;
  margin-top: 10px;
}

.login-container {
  width: min(100%, 440px);
  max-width: 440px;
  margin: 0 auto;
  text-align: center;
}

.login-brand-title {
  font-family: var(--font-display);
  max-width: none;
  margin: 0 0 28px;
  font-size: clamp(1.55rem, 5vw, 2.1rem);
  line-height: 1.3;
  letter-spacing: 0;
}

label {
  display: grid;
  gap: 7px;
  color: var(--muted);
  font-size: 0.86rem;
  font-weight: 650;
  text-align: left;
}

input,
textarea,
select {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 11px 12px;
  color: var(--ink);
  background: var(--surface-solid);
  outline: none;
}

textarea {
  resize: vertical;
}

input:focus,
textarea:focus,
select:focus,
button:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--accent-2) 24%, transparent);
  outline-offset: 2px;
}

.home-dashboard {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(240px, 0.75fr) minmax(220px, 0.5fr);
  gap: 18px;
  margin-top: 18px;
}

.story-feature,
.quick-card {
  padding: 22px;
}

.story-feature h2 {
  margin-top: 10px;
  font-size: clamp(1.55rem, 3vw, 2.55rem);
}

.story-feature p,
.quick-card p,
.person-story,
.post-body,
.comment-body {
  color: var(--muted);
}

.metric-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
}

.metric-row:last-child {
  border-bottom: 0;
}

.metric-row strong {
  color: var(--accent);
  font-size: 1.8rem;
  font-weight: 720;
}

.workspace-grid {
  display: grid;
  grid-template-columns: minmax(240px, 0.72fr) minmax(380px, 1.45fr) minmax(300px, 0.83fr);
  gap: 18px;
  align-items: start;
}

.search-panel,
.detail-panel {
  position: sticky;
  top: 100px;
}

.result-list {
  display: grid;
  gap: 10px;
  margin-top: 16px;
}

.result-item {
  width: 100%;
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 10px;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 10px;
  color: inherit;
  background: var(--surface-solid);
  text-align: left;
}

.result-item.is-selected {
  border-color: color-mix(in srgb, var(--accent-2) 38%, var(--line));
  background: color-mix(in srgb, var(--accent-2) 8%, var(--surface-solid));
}

.tree-stage {
  min-height: 0;
  height: 100%;
  padding: 16px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.tree-stage-head {
  flex-shrink: 0;
  display: flex;
  justify-content: flex-start;
  gap: 16px;
  align-items: center;
  margin-bottom: 12px;
}

.tree-actions {
  display: flex;
  flex-wrap: nowrap;
  gap: 10px;
  align-items: center;
}

.logout-action {
  min-height: 44px;
}

.graph-tool-action {
  flex: 0 0 auto;
}

/* Modals */
.modal-dialog {
  border: none;
  border-radius: var(--radius);
  background: transparent;
  padding: 0;
  max-width: 460px;
  overflow: hidden;
  width: 90vw;
}

.modal-dialog::backdrop {
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
}

.modal-content {
  max-height: min(720px, calc(100dvh - 40px));
  overflow: auto;
  background: var(--surface-solid);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
}

.modal-subtitle {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
}

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

.detail-modal-header {
  position: sticky;
  top: 0;
  z-index: 5;
  justify-content: flex-end;
  height: 0;
  margin: 0;
  pointer-events: none;
}

.detail-modal-header .close-dialog {
  pointer-events: auto;
  transform: translate(-10px, 8px);
}

.modal-actions {
  display: flex;
  gap: 10px;
  margin-top: 10px;
}

.detail-dialog {
  position: fixed; /* Native dialog defaults to fixed */
  margin: 0;
  max-width: 460px;
}

.person-form-field-hidden {
  display: none !important;
}

.member-review-form, .request-review-form {
  display: flex;
  flex-wrap: wrap;
  align-items: end;
  gap: 12px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}

.member-review-form > div, .member-review-form label, .request-review-form label {
  display: grid;
  gap: 6px;
  flex: 1 1 140px;
  min-width: 0;
}

.member-review-form select, .request-review-form select, .request-review-form textarea {
  width: 100%;
  min-height: 44px;
  padding: 8px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--ink);
  background: var(--surface-solid);
}

.request-row .request-review-form { grid-column: 1 / -1; }
.audit-entry, .my-request { padding: 12px 0; border-bottom: 1px solid var(--line); }
.audit-entry pre { white-space: pre-wrap; overflow-wrap: anywhere; }
button:disabled { opacity: .55; cursor: wait; }
button:focus-visible, a:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; }

.person-action-popover {
  position: absolute;
  z-index: 20;
  width: max-content;
  max-width: 132px;
  border: 1px solid var(--line);
  border-radius: 9px;
  padding: 5px;
  background: var(--surface-solid);
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.13);
}

.person-action-popover[hidden] {
  display: none;
}

.person-action-buttons {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.person-action-buttons .primary-action,
.person-action-buttons .secondary-action {
  min-height: 28px;
  padding: 0 9px;
  border-radius: 6px;
  font-size: 0.76rem;
  box-shadow: none;
  white-space: nowrap;
}

/* Toasts */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  z-index: 9999;
}

.toast {
  background: var(--surface-solid);
  color: var(--ink);
  border: 1px solid var(--line);
  padding: 12px 20px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.95rem;
  font-weight: 500;
  animation: toast-slide-in 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275) forwards;
  opacity: 0;
  transform: translateX(100%);
}

.toast.toast-error {
  border-left: 4px solid var(--danger);
}

.toast.toast-success {
  border-left: 4px solid var(--success);
}

.toast.toast-out {
  animation: toast-slide-out 0.3s ease-in forwards;
}

@keyframes toast-slide-in {
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes toast-slide-out {
  to {
    opacity: 0;
    transform: translateX(100%);
  }
}

.view-switch,
.graph-layout-switch {
  display: inline-flex;
  background: var(--surface-2);
  border-radius: 99px;
  padding: 4px;
  border: 1px solid var(--line);
}

.view-switch-button,
.graph-layout-button {
  min-height: 32px;
  padding: 0 16px;
  border: none;
  border-radius: 99px;
  background: transparent;
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
}

.view-switch-button.is-active,
.graph-layout-button.is-active {
  background: var(--surface-solid);
  color: var(--ink);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.tree-view-panel {
  display: none;
  flex-grow: 1;
  min-height: 0;
}

.tree-view-panel.is-active {
  display: flex;
  flex-direction: column;
}

.graph-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  margin-bottom: 10px;
}

.person-form {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.wide-field {
  grid-column: 1 / -1;
}

.icon-button {
  display: inline-grid;
  place-items: center;
  width: 38px;
  height: 38px;
  color: var(--ink);
  border: 1px solid var(--line);
  background: var(--surface-solid);
  font-size: 1.2rem;
  font-weight: 740;
}

.compact-action {
  min-height: 38px;
  padding-inline: 14px;
}

.graph-help {
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 700;
}

.graph-canvas {
  position: relative;
  flex-grow: 1;
  min-height: 0;
  height: 100%;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface-solid);
  overflow: hidden;
  display: flex;
}

#familyGraph {
  --background-color: var(--surface-solid);
  --text-color: var(--ink);
  --male-color: var(--surface-solid);
  --female-color: var(--surface-solid);
  --genderless-color: var(--surface-solid);
  flex-grow: 1;
  position: relative;
  display: block;
  width: 100%;
  height: 100%;
  min-width: 0;
  min-height: 0;
  max-height: none;
  color: var(--ink);
  background: var(--surface-solid);
  font-family: var(--font-sans);
  touch-action: none;
}

#familyGraph.f3.f3-cont {
  width: 100%;
  height: 100%;
  max-height: none;
}

#familyGraph #f3Canvas,
#familyGraph #htmlSvg,
#familyGraph svg.main_svg {
  width: 100%;
  height: 100%;
}

#familyGraph .f3-nav-cont {
  display: none;
}

#familyGraph svg.main_svg .link {
  stroke: color-mix(in srgb, var(--muted) 46%, transparent) !important;
  stroke-width: 1.35px !important;
}

#familyGraph .card {
  color: var(--ink);
}

#familyGraph .branch-edge-toggle {
  position: absolute;
  z-index: 8;
  top: 0;
  left: 0;
  display: grid;
  place-items: center;
  width: 19px;
  height: 19px;
  padding: 0;
  transform: translate(-50%, -50%);
  border: 1px solid color-mix(in srgb, var(--accent) 55%, var(--line));
  border-radius: 50%;
  color: var(--accent);
  background: var(--surface-solid);
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.12);
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 800;
  line-height: 1;
  cursor: pointer;
}

#familyGraph .branch-edge-toggle:hover,
#familyGraph .branch-edge-toggle:focus-visible {
  color: #ffffff;
  background: var(--accent);
  outline: 2px solid color-mix(in srgb, var(--accent) 24%, transparent);
  outline-offset: 2px;
}

#familyGraph .card-inner.family-chart-card {
  position: relative;
  width: var(--family-card-width, 138px);
  height: var(--family-card-height, 68px);
  box-sizing: border-box;
  display: grid;
  align-content: center;
  justify-items: center;
  gap: 1px;
  padding: 8px 10px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  outline: none;
  color: var(--ink);
  background: color-mix(in srgb, var(--surface-solid) 96%, var(--surface-2));
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.045);
  text-align: center;
}

#familyGraph .card-inner.family-chart-card strong {
  width: 100%;
  overflow: hidden;
  color: var(--ink);
  font-family: var(--font-serif);
  font-size: 15px;
  font-weight: 700;
  line-height: 1.25;
  text-overflow: ellipsis;
  white-space: nowrap;
}

#familyGraph .family-chart-hanja,
#familyGraph .card-inner.family-chart-card small {
  width: 100%;
  overflow: hidden;
  color: var(--muted);
  font-size: 10px;
  font-weight: 600;
  line-height: 1.2;
  text-overflow: ellipsis;
  white-space: nowrap;
}

#familyGraph .family-chart-hanja {
  font-family: var(--font-serif);
  font-size: 11px;
  font-weight: 500;
}

#familyGraph .card-inner.family-chart-card.is-spouse {
  border-style: dashed;
  background: var(--spouse-surface);
}

#familyGraph .card-inner.family-chart-card.is-ancestor {
  border-color: color-mix(in srgb, var(--accent) 48%, var(--line));
}

#familyGraph .card-inner.family-chart-card.is-selected {
  border-color: var(--accent);
  background: color-mix(in srgb, var(--accent) 9%, var(--surface-solid));
  box-shadow: 0 0 0 2px color-mix(in srgb, var(--accent) 20%, transparent), 0 8px 22px rgba(0, 113, 227, 0.12);
}

#familyGraph .card-inner.family-chart-card.is-spouse.is-selected {
  background: var(--spouse-surface);
}

#familyGraph div.card > div,
#familyGraph div.card-main .card-inner,
#familyGraph div.card:hover .card-inner {
  box-shadow: none;
}

#familyGraph div.card:hover .family-chart-card {
  transform: translateY(-2px);
  border-color: color-mix(in srgb, var(--accent) 65%, var(--line));
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
}

#familyGraph .family-chart-card:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

[data-theme="dark"] #familyGraph .card-inner.family-chart-card {
  box-shadow: 0 3px 12px rgba(0, 0, 0, 0.28);
}

.graph-link {
  fill: none;
  stroke: color-mix(in srgb, var(--muted) 34%, transparent);
  stroke-width: 1.2;
}

.graph-link.is-focus-link {
  stroke: var(--accent);
  stroke-width: 2.2;
}

.spouse-link {
  fill: none;
  stroke: color-mix(in srgb, var(--muted) 42%, transparent);
  stroke-dasharray: 4 5;
  stroke-width: 1.2;
}

.compact-generation-label {
  fill: var(--muted);
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 0;
  pointer-events: none;
}

.graph-status-dot {
  stroke: var(--surface-solid);
  stroke-width: 2px;
}
.status-good { fill: #34c759 !important; }
.status-review { fill: #ffcc00 !important; }
.status-missing { fill: #ff3b30 !important; }

.graph-node,
.spouse-node {
  cursor: pointer;
}

.graph-node rect,
.spouse-node rect {
  fill: var(--surface-solid);
  stroke: var(--line);
  stroke-width: 1;
}

.graph-node.is-selected rect,
.spouse-node.is-selected rect {
  fill: color-mix(in srgb, var(--accent) 10%, var(--surface-solid)) !important;
  stroke: var(--accent) !important;
  stroke-width: 2 !important;
}

.graph-node.is-ancestor rect {
  stroke: color-mix(in srgb, var(--accent) 54%, var(--line));
}

.spouse-node rect {
  fill: color-mix(in srgb, var(--surface-solid) 86%, var(--surface-2));
  stroke-dasharray: 4 3;
}

.graph-node-name,
.spouse-node-name {
  fill: var(--ink);
  font-family: var(--font-serif);
  font-size: 15px;
  font-weight: 700;
  pointer-events: none;
}

.graph-node-hanja {
  fill: var(--muted);
  font-family: var(--font-serif);
  font-size: 12px;
  pointer-events: none;
}

.graph-node-meta {
  fill: var(--muted);
  font-size: 11px;
  font-weight: 650;
  pointer-events: none;
}

.graph-status-dot {
  stroke: var(--surface);
  stroke-width: 2;
}

.graph-status-dot.is-verified {
  fill: var(--accent-2);
}

.graph-status-dot.is-review {
  fill: #ff9f0a;
}

.graph-status-dot.is-unverified {
  fill: #ff453a;
}

.graph-empty {
  display: grid;
  place-items: center;
  min-height: 620px;
  padding: 24px;
  color: var(--muted);
  text-align: center;
}

.lineage-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  margin-bottom: 18px;
  color: var(--muted);
}

.lineage-node {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  padding: 0 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface-2);
  font-size: 0.86rem;
  font-weight: 650;
}

.lineage-arrow {
  color: var(--muted);
}

.generation-stack {
  display: grid;
  gap: 18px;
  overflow: auto;
  padding-right: 2px;
}

.generation-row {
  position: relative;
  display: grid;
  gap: 10px;
}

.generation-label {
  color: var(--muted);
  font-size: 0.8rem;
  font-weight: 650;
}

.person-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  gap: 12px;
}

.person-card {
  position: relative;
  min-height: 152px;
  display: grid;
  grid-template-columns: 58px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 14px;
  color: inherit;
  background: var(--surface-solid);
  text-align: left;
}

.person-card.is-focus {
  border-color: color-mix(in srgb, var(--accent) 50%, var(--line));
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--accent) 50%, transparent);
}

.avatar {
  display: grid;
  place-items: center;
  width: 58px;
  height: 58px;
  border: 1px solid color-mix(in srgb, var(--accent) 18%, var(--line));
  border-radius: 50%;
  color: #ffffff;
  background: linear-gradient(180deg, color-mix(in srgb, var(--accent) 88%, #ffffff), var(--accent));
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 700;
}

.person-main {
  min-width: 0;
}

.person-name-line {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  align-items: baseline;
  margin-bottom: 4px;
}

.person-name {
  font-family: var(--font-serif);
  font-size: 1.12rem;
  font-weight: 700;
}

.person-hanja,
.person-meta,
.relation-note {
  color: var(--muted);
  font-size: 0.82rem;
}

.badge-row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 10px;
}

.badge {
  display: inline-flex;
  align-items: center;
  min-height: 26px;
  padding: 0 8px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  background: var(--surface-2);
  font-size: 0.76rem;
  font-weight: 650;
}

.detail-profile {
  display: grid;
  grid-template-columns: 86px minmax(0, 1fr);
  gap: 16px;
  align-items: center;
  padding-bottom: 18px;
  padding-right: 72px;
  border-bottom: 1px solid var(--line);
}

.detail-profile .avatar {
  width: 86px;
  height: 86px;
  font-size: 1.6rem;
}

.detail-name {
  font-family: var(--font-serif);
  font-size: 1.6rem;
  font-weight: 700;
}

.detail-list {
  display: grid;
  gap: 12px;
  margin: 18px 0;
}

.detail-list div {
  display: grid;
  grid-template-columns: 84px minmax(0, 1fr);
  gap: 12px;
}

.detail-list dt {
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 650;
}

.detail-list dd {
  margin: 0;
}

.person-story {
  padding: 14px;
  border-left: 3px solid var(--accent);
  background: var(--surface-2);
}

.comment-list {
  display: grid;
  gap: 10px;
  margin-top: 14px;
}

.comment {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 12px;
  background: var(--surface-solid);
}

.comment-top,
.post-top {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  color: var(--muted);
  font-size: 0.8rem;
  font-weight: 650;
}

.request-form {
  display: grid;
  gap: 10px;
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
}

.board-layout,
.admin-layout,
.source-layout {
  display: grid;
  gap: 18px;
}

.source-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.source-heading {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  align-items: center;
}

.source-card {
  overflow: hidden;
  background: var(--surface-solid);
  cursor: pointer;
  transition: transform 160ms ease, border-color 160ms ease, box-shadow 160ms ease;
}

.source-card:hover {
  transform: translateY(-2px);
  border-color: color-mix(in srgb, var(--accent) 32%, var(--line));
  box-shadow: 0 18px 42px rgba(15, 23, 42, 0.12);
}

.source-thumb {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  background: var(--surface-2);
  border-bottom: 1px solid var(--line);
}

.source-thumb-empty {
  display: grid;
  place-items: center;
  color: var(--muted);
  font-size: 0.9rem;
}

.source-body {
  display: grid;
  gap: 10px;
  padding: 16px;
}

.source-title {
  font-family: var(--font-serif);
  font-size: 1.08rem;
}

.source-summary {
  margin: 0;
  color: var(--muted);
}

.source-meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

.source-count,
.source-author {
  color: var(--muted);
  font-size: 0.82rem;
}

.source-form,
.post-form,
.person-form {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.field-help {
  display: block;
  margin-top: 6px;
  color: var(--muted);
  font-size: 0.82rem;
}

.source-image-preview {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.source-image-preview span {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 6px 10px;
  color: var(--muted);
  background: var(--surface-solid);
  font-size: 0.84rem;
}

.post-file-preview {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.post-file-preview span {
  max-width: 100%;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 6px 10px;
  overflow: hidden;
  color: var(--muted);
  background: var(--surface-solid);
  font-size: 0.84rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.source-detail {
  display: grid;
  gap: 18px;
}

.source-detail-head {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: flex-start;
}

.source-detail-head h2 {
  margin-top: 4px;
  font-family: var(--font-display);
}

.source-detail-head p,
.source-detail-body,
.empty-note {
  margin: 0;
  color: var(--muted);
}

.source-detail-body {
  color: var(--ink);
  line-height: 1.65;
}

.source-detail-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.danger-action {
  min-height: 40px;
  border: 1px solid color-mix(in srgb, #d92d20 35%, var(--line));
  border-radius: 999px;
  padding: 0 16px;
  color: #d92d20;
  background: color-mix(in srgb, #d92d20 8%, var(--surface-solid));
  font-weight: 700;
  cursor: pointer;
}

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

.source-detail-image-link {
  display: block;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface-2);
}

.source-detail-image-link img {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  transition: transform 180ms ease;
}

.source-detail-image-link:hover img {
  transform: scale(1.02);
}

.source-comments {
  display: grid;
  gap: 12px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
}

.source-comments h3 {
  font-size: 1rem;
}

.source-comment-list,
.source-comment-form {
  display: grid;
  gap: 10px;
}

.source-comment {
  display: grid;
  gap: 6px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px;
  background: var(--surface-solid);
}

.source-comment div {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  color: var(--muted);
  font-size: 0.86rem;
}

.source-comment p {
  margin: 0;
}

.text-action {
  justify-self: start;
  border: 0;
  padding: 0;
  color: var(--accent);
  background: transparent;
  font-weight: 700;
  cursor: pointer;
}

.compose-box {
  padding: 20px;
}

.post-list {
  display: grid;
  gap: 14px;
}

.post {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px;
  background: var(--surface-solid);
  box-shadow: var(--shadow);
}

.post-title {
  margin-top: 8px;
  font-family: var(--font-serif);
  font-size: 1.2rem;
  font-weight: 700;
}

.post-attachments {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 10px;
  margin-top: 14px;
}

.post-attachment {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  grid-template-rows: auto auto;
  gap: 2px 10px;
  align-items: center;
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 10px;
  color: var(--ink);
  background: var(--surface);
  text-decoration: none;
  transition: border-color 160ms ease, transform 160ms ease, background 160ms ease;
}

.post-attachment:hover {
  border-color: color-mix(in srgb, var(--accent) 45%, var(--line));
  background: var(--surface-solid);
  transform: translateY(-1px);
}

.post-attachment img,
.file-icon {
  grid-row: 1 / span 2;
  width: 44px;
  height: 44px;
  border-radius: 8px;
}

.post-attachment img {
  object-fit: cover;
  background: var(--surface-2);
}

.file-icon {
  display: grid;
  place-items: center;
  color: var(--accent);
  background: var(--surface-2);
  font-size: 0.68rem;
  font-weight: 800;
}

.post-file-name {
  overflow: hidden;
  font-weight: 700;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.post-attachment small {
  color: var(--muted);
}

.post-comments {
  display: grid;
  gap: 10px;
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
}

.post-comment-head,
.post-comment div {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  align-items: center;
}

.post-comment-head {
  color: var(--muted);
  font-size: 0.88rem;
}

.post-comment-list {
  display: grid;
  gap: 8px;
}

.post-comment {
  display: grid;
  gap: 6px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 10px 12px;
  background: var(--surface);
}

.post-comment div {
  color: var(--muted);
  font-size: 0.84rem;
}

.post-comment p {
  margin: 0;
  line-height: 1.55;
}

.post-comment-form {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 8px;
  align-items: center;
}

.post-comment-form input {
  min-width: 0;
}

.admin-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.admin-card {
  padding: 20px;
}

.admin-card.wide {
  grid-column: 1 / -1;
}

.admin-metrics {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  margin-top: 14px;
}

.admin-metrics div {
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface-2);
}

.admin-metrics strong {
  display: block;
  color: var(--accent);
  font-size: 1.9rem;
  font-weight: 720;
}

.admin-metrics span {
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 650;
}

.request-table {
  display: grid;
  gap: 10px;
  margin-top: 14px;
}

.request-row {
  display: grid;
  grid-template-columns: minmax(120px, 0.35fr) minmax(0, 1fr) auto;
  gap: 12px;
  align-items: center;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface-2);
}

.status-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 28px;
  padding: 0 9px;
  border-radius: 999px;
  color: #ffffff;
  background: var(--accent);
  font-size: 0.78rem;
  font-weight: 700;
}

.audit-list {
  margin: 14px 0 0;
  padding-left: 20px;
  color: var(--muted);
}

@media (max-width: 1120px) {
  .workspace-grid {
    grid-template-columns: minmax(230px, 0.6fr) minmax(0, 1fr);
  }

  .detail-panel {
    grid-column: 1 / -1;
    position: static;
  }

  .search-panel {
    position: static;
  }
}

@media (max-width: 840px) {
  .app-shell {
    padding: 12px;
  }

  body[data-section="login-screen"] .app-shell {
    padding: 22px;
  }

  body[data-section="tree"] .app-shell {
    gap: 6px;
    padding: 8px;
  }

  .topbar {
    grid-template-columns: minmax(0, 1fr) auto auto;
    gap: 6px;
    padding: 8px;
  }

  .brand {
    grid-column: 1;
    grid-row: 1;
    max-width: none;
    gap: 8px;
  }

  .brand-mark {
    width: 36px;
    height: 36px;
    flex-basis: 36px;
    font-size: 1.05rem;
  }

  .brand strong {
    font-size: 0.92rem;
  }

  .brand small {
    display: none;
  }

  .theme-toggle {
    grid-column: 2;
    grid-row: 1;
    justify-self: end;
    width: 38px;
    height: 38px;
  }

  .logout-action {
    grid-column: 3;
    grid-row: 1;
    width: 38px;
    height: 38px;
    min-height: 38px;
    padding: 0;
    border-radius: 6px;
  }

  .logout-text {
    display: none;
  }

  .logout-icon {
    display: block;
  }

  .main-nav {
    grid-column: 1 / -1;
    grid-row: 2;
    overflow-x: auto;
    scrollbar-width: none;
  }

  .main-nav::-webkit-scrollbar {
    display: none;
  }

  .nav-button {
    flex: 0 0 auto;
    min-width: 64px;
    min-height: 32px;
    padding: 0 10px;
    font-size: 0.84rem;
  }

  .hero-grid,
  .home-dashboard,
  .workspace-grid,
  .admin-grid,
  .source-grid {
    grid-template-columns: 1fr;
  }

  .source-heading,
  .source-detail-head {
    display: grid;
    grid-template-columns: 1fr;
    align-items: stretch;
  }

  .source-detail-actions {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .hero-copy {
    min-height: 390px;
  }

  .hero-copy::before {
    font-size: 6.4rem;
  }

  .search-panel {
    order: -1;
  }

  .admin-metrics {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .request-row {
    grid-template-columns: 1fr;
  }

  .tree-stage-head {
    display: none;
  }

  .tree-stage {
    padding: 8px;
  }

  .tree-stage-head h2 {
    font-size: 1.12rem;
  }

  .graph-toolbar {
    flex-wrap: nowrap;
    gap: 6px;
    overflow-x: auto;
    margin-bottom: 6px;
    padding-bottom: 2px;
    scrollbar-width: none;
  }

  .graph-toolbar::-webkit-scrollbar {
    display: none;
  }

  .graph-toolbar .icon-button,
  .graph-tool-action,
  .graph-layout-button {
    min-height: 34px;
    height: 34px;
    font-size: 0.84rem;
  }

  .graph-toolbar .icon-button {
    width: 34px;
    flex: 0 0 34px;
  }

  .graph-tool-action {
    padding: 0 10px;
  }

  .full-label {
    display: none;
  }

  .short-label {
    display: inline;
  }

  .graph-layout-switch {
    width: auto;
    flex: 0 0 auto;
    padding: 3px;
  }

  .graph-layout-button {
    flex: 0 0 auto;
    min-width: 0;
    padding: 0 9px;
  }

  .graph-help {
    display: none;
  }

  .graph-canvas {
    min-height: 0;
  }
}

@media (max-width: 520px) {
  body {
    line-height: 1.5;
  }

  .brand strong {
    white-space: normal;
  }

  .hero-copy,
  .login-panel,
  .story-feature,
  .quick-card,
  .search-panel,
  .detail-panel,
  .compose-box,
  .admin-card,
  .source-body,
    .post {
    padding: 16px;
  }

  body[data-section="tree"] .tree-stage {
    padding: 6px;
  }

  h1:not(.login-brand-title) {
    font-size: 2.2rem;
  }

  .login-brand-title {
    margin-bottom: 22px;
  }

  .login-panel {
    padding: 18px;
  }

  .person-row {
    grid-template-columns: 1fr;
  }

  .post-attachments {
    grid-template-columns: 1fr;
  }

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

  .post-comment-form .secondary-action {
    width: 100%;
  }

  .detail-profile {
    grid-template-columns: 1fr;
  }

  .detail-list div {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .admin-metrics {
    grid-template-columns: 1fr;
  }

  .modal-dialog {
    width: calc(100vw - 24px);
    max-width: none;
  }

  .detail-dialog {
    width: 100vw;
    height: 100dvh;
    max-height: 100dvh;
    border-radius: 0;
  }

  .detail-dialog[open] {
    inset: 0 auto auto 0 !important;
    transform: none !important;
  }

  .detail-dialog .modal-content {
    min-height: 100dvh;
    max-height: 100dvh;
    overflow: auto;
    border-radius: 0;
    padding: 18px;
  }

  .search-dialog .modal-content,
  .source-dialog .modal-content,
  .post-dialog .modal-content,
  .source-detail-dialog .modal-content,
  #signupModal .modal-content {
    max-height: calc(100dvh - 48px);
    overflow: auto;
    padding: 18px;
  }

  .modal-actions {
    gap: 8px;
  }

  .detail-actions {
    display: grid;
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .person-form,
  .source-form,
  .source-detail-images {
    grid-template-columns: 1fr;
  }

  .comment-top,
  .post-top {
    display: grid;
    gap: 2px;
  }
}

/* Account access and password lifecycle. */
.topbar { grid-template-columns: minmax(210px, 1fr) auto auto auto auto; }
.account-action { display: inline-flex; align-items: center; justify-content: center; gap: 6px; min-height: 44px; }
.account-action svg { flex: 0 0 20px; }
.account-recovery-help { margin-top: 18px; color: var(--muted); font-size: 0.9rem; }
.account-recovery-help summary { cursor: pointer; color: var(--accent); padding: 8px 0; }
.account-recovery-help summary:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
.account-recovery-help p { margin: 8px 0; }
.account-dialog { max-width: 480px; }
.account-dialog label { display: grid; gap: 8px; }
.account-dialog [hidden] { display: none !important; }
.account-dialog .modal-header h2 { margin: 0; }
.account-dialog #accountDescription { color: var(--muted); margin: 0 0 20px; }
.account-status { margin: 12px 0; overflow-wrap: anywhere; }
.account-status:empty { display: none; }
.account-status.is-error { color: var(--danger); }
.account-session-actions { border-top: 1px solid var(--line); margin-top: 24px; padding-top: 16px; display: grid; gap: 12px; }
.account-session-actions p { margin: 0; font-size: 0.9rem; color: var(--muted); }
.account-dialog input, .account-dialog button { min-height: 44px; }
.temporary-password-value { font-family: ui-monospace, monospace; font-size: 1.12rem; letter-spacing: 0.04em; }
#copyTemporaryPasswordBtn { margin-top: 14px; }
@media (max-width: 840px) {
  .topbar { grid-template-columns: minmax(0, 1fr) auto auto auto; }
  .account-action { grid-column: 2; grid-row: 1; width: 38px; height: 38px; min-height: 38px; padding: 0; }
  .account-action-label { display: none; }
  .topbar .theme-toggle { grid-column: 3; }
  .topbar .logout-action { grid-column: 4; }
  .account-dialog .modal-content { padding: 20px; max-height: calc(100dvh - 32px); }
}