:root {
  --sage: #315f50;
  --sage-dark: #24493d;
  --sage-soft: #eef4ed;
  --sage-mid: #dce9df;
  --sage-line: #a8c2b5;
  --off-white: #fffefa;
  --paper: #f5f4ee;
  --ink: #26342f;
  --muted: #64716b;
  --line: #d8e0da;
  --warm: #f7f1e5;
  --warm-line: #ddc995;
  --shadow: 0 12px 30px rgba(38, 52, 47, 0.06);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

button,
summary {
  font: inherit;
}

button,
summary,
a {
  -webkit-tap-highlight-color: transparent;
}

.continuity-shell {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  padding: 24px 0 48px;
}

.continuity-header {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--off-white);
  box-shadow: var(--shadow);
}

.continuity-brand {
  display: flex;
  min-height: 94px;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 18px 22px;
  background: var(--sage);
  color: var(--off-white);
}

.continuity-brand__lockup {
  display: flex;
  align-items: center;
  gap: 15px;
}

.continuity-brand__logo {
  display: block;
  width: clamp(148px, 19vw, 196px);
  height: auto;
}

.continuity-brand__by {
  padding-left: 15px;
  border-left: 1px solid rgba(255, 254, 250, 0.38);
  color: var(--off-white);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 0.76rem;
  font-weight: 500;
  letter-spacing: 0.035em;
  opacity: 0.8;
  white-space: nowrap;
}

.continuity-brand__by sup {
  position: relative;
  top: -0.08em;
  font-size: 0.62em;
  line-height: 0;
}

.continuity-brand__type {
  color: var(--off-white);
  font-size: 0.76rem;
  font-weight: 750;
  letter-spacing: 0.08em;
  opacity: 0.82;
  text-align: right;
  text-transform: uppercase;
}

.continuity-heading {
  padding: clamp(24px, 5vw, 44px);
}

.continuity-heading h1 {
  max-width: 800px;
  margin: 0 0 10px;
  color: var(--sage-dark);
  font: 600 clamp(2.25rem, 6vw, 4.5rem)/0.98 Georgia, "Times New Roman", serif;
  letter-spacing: -0.045em;
}

.continuity-heading .lede {
  max-width: 780px;
  margin: 0;
  color: var(--muted);
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(1.04rem, 2vw, 1.25rem);
  font-style: italic;
  line-height: 1.55;
}

.example-note {
  display: inline-flex;
  margin: 20px 0 0;
  padding: 9px 12px;
  border-left: 4px solid var(--sage-line);
  background: var(--sage-soft);
  color: #40564e;
  font-size: 0.88rem;
  font-weight: 700;
}

.continuity-progress {
  margin: 18px 0;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(255, 254, 250, 0.92);
  box-shadow: 0 8px 22px rgba(38, 52, 47, 0.04);
}

.continuity-progress ol {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.stage-tab {
  width: 100%;
  min-height: 62px;
  padding: 10px 11px;
  border: 1px solid transparent;
  border-radius: 9px;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  text-align: left;
}

.stage-tab span,
.stage-tab strong {
  display: block;
}

.stage-tab span {
  margin-bottom: 4px;
  font-size: 0.69rem;
  font-weight: 800;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.stage-tab strong {
  color: inherit;
  font-size: 0.89rem;
  line-height: 1.25;
}

.stage-tab:hover {
  border-color: var(--sage-line);
  background: var(--sage-soft);
  color: var(--sage-dark);
}

.stage-tab[aria-current="step"] {
  border-color: var(--sage-line);
  background: var(--sage-mid);
  color: var(--sage-dark);
  box-shadow: inset 0 -3px 0 var(--sage);
}

.operating-boundary {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  overflow: hidden;
  margin-bottom: 18px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--off-white);
}

.operating-boundary div {
  padding: 13px 15px;
}

.operating-boundary div + div {
  border-left: 1px solid var(--line);
}

.operating-boundary strong,
.operating-boundary span {
  display: block;
}

.operating-boundary strong {
  margin-bottom: 4px;
  color: var(--sage);
  font-size: 0.74rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.operating-boundary span {
  color: #485c54;
  font-size: 0.88rem;
  line-height: 1.45;
}

.source-register-summary {
  margin-bottom: 18px;
  padding: 17px 18px;
  border: 1px solid var(--sage-line);
  border-radius: 12px;
  background: var(--off-white);
  box-shadow: 0 8px 20px rgba(38, 52, 47, 0.035);
  scroll-margin-top: 18px;
}

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

.source-register-summary h2 {
  font-size: clamp(1.2rem, 2.4vw, 1.55rem);
}

.source-register-count {
  margin: 0;
  color: var(--sage);
  font-size: 0.84rem;
  font-weight: 780;
  white-space: nowrap;
}

.source-register-note {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 0.86rem;
}

.source-register-lens {
  margin-top: 12px;
  padding: 11px 13px;
  border-left: 4px solid var(--sage);
  background: var(--sage-soft);
  color: #40564e;
  font-size: 0.86rem;
  line-height: 1.5;
}

.source-register-lens p {
  margin: 0;
}

.source-register-lens p + p {
  margin-top: 3px;
}

.source-register-disclosure {
  margin-top: 12px;
  border-top: 1px solid var(--line);
  padding-top: 11px;
}

.source-register-disclosure > summary {
  cursor: pointer;
  color: var(--sage-dark);
  font-weight: 780;
}

.source-register-body {
  margin-top: 14px;
}

.source-register-honesty {
  margin: 0 0 16px;
  padding: 11px 13px;
  border-left: 4px solid var(--sage-line);
  background: var(--sage-soft);
  color: #40564e;
  font-family: Georgia, "Times New Roman", serif;
  font-style: italic;
}

.source-register-group + .source-register-group {
  margin-top: 20px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

.source-register-group h3 {
  margin-bottom: 10px;
  color: var(--sage-dark);
  font-size: 1.05rem;
}

.source-register-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 9px;
}

.source-register-record {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: #fff;
  transition: border-color 160ms ease, box-shadow 160ms ease, background 160ms ease;
}

.source-register-record.role-relevant {
  border-color: var(--sage-line);
  background: #fbfcf9;
  box-shadow: inset 4px 0 0 var(--sage);
}

.source-register-record > summary {
  padding: 12px 13px;
  cursor: pointer;
  color: var(--ink);
  font-weight: 750;
  line-height: 1.4;
}

.source-register-record > summary span {
  display: block;
  margin-top: 3px;
  color: var(--sage);
  font-size: 0.74rem;
  font-weight: 780;
  letter-spacing: 0.035em;
}

.source-register-record > summary .role-relevance-tag {
  display: inline-block;
  margin-top: 7px;
  padding: 3px 7px;
  border: 1px solid var(--sage-line);
  border-radius: 999px;
  background: var(--sage-soft);
  color: var(--sage-dark);
  font-size: 0.68rem;
  letter-spacing: 0.01em;
}

.source-register-record dl {
  display: grid;
  grid-template-columns: minmax(112px, auto) 1fr;
  gap: 6px 10px;
  margin: 0;
  padding: 0 13px 13px;
  font-size: 0.83rem;
}

.source-register-record dt {
  color: var(--muted);
  font-weight: 750;
}

.source-register-record dd {
  margin: 0;
  color: #40564e;
}

.role-relevance-note {
  margin: -2px 13px 12px;
  padding: 9px 10px;
  border-left: 3px solid var(--sage-line);
  background: var(--sage-soft);
  color: #40564e;
  font-size: 0.8rem;
  line-height: 1.45;
}

.role-relevance-note strong {
  color: var(--sage-dark);
}

.source-register-boundary {
  margin: 0 0 16px;
  color: #40564e;
  font-size: 0.86rem;
  line-height: 1.55;
}

.source-register-boundary span {
  display: block;
}

.preserved-glimpse {
  margin: 0 13px 13px;
  border-top: 1px solid var(--line);
  padding-top: 9px;
}

.preserved-glimpse > summary {
  cursor: pointer;
  color: var(--sage);
  font-size: 0.82rem;
  font-weight: 780;
}

.preserved-glimpse-body {
  margin-top: 10px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--sage-soft);
}

.preserved-glimpse-body h4 {
  margin: 0 0 4px;
  color: var(--sage-dark);
  font-size: 0.94rem;
}

.preserved-glimpse-meta {
  margin: 0;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 700;
}

.preserved-glimpse-body blockquote {
  margin: 11px 0;
  padding: 10px 12px;
  border-left: 3px solid var(--sage-line);
  background: var(--off-white);
  color: #40564e;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 0.9rem;
  line-height: 1.5;
}

.preserved-glimpse-body dl {
  padding: 0;
}

.source-register-record.role-relevant .preserved-glimpse > summary {
  color: var(--sage-dark);
}

.source-register-record.role-relevant .preserved-glimpse-body {
  border-color: var(--sage-line);
}

.journey-stage {
  display: none;
}

.journey-stage.is-active {
  display: block;
}

.panel {
  margin-bottom: 16px;
  padding: clamp(19px, 3vw, 26px);
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--off-white);
  box-shadow: 0 10px 24px rgba(38, 52, 47, 0.04);
}

.panel-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 14px;
}

.eyebrow {
  margin: 0 0 5px;
  color: var(--sage);
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h2 {
  margin: 0;
  color: var(--sage-dark);
  font-size: clamp(1.42rem, 3vw, 2.05rem);
  letter-spacing: -0.025em;
}

h3 {
  margin: 0 0 7px;
  color: var(--ink);
  font-size: 1rem;
}

p {
  line-height: 1.55;
}

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

.stage-orientation {
  max-width: 760px;
  margin: -2px 0 16px;
  color: var(--muted);
  font-family: Georgia, "Times New Roman", serif;
  font-style: italic;
}

.primary-message {
  margin: 0 0 17px;
  padding: 14px 16px;
  border-left: 4px solid var(--sage);
  background: var(--sage-soft);
  color: #344a40;
  font-size: 1.02rem;
  font-weight: 720;
}

.status-pill,
.type-pill {
  display: inline-flex;
  align-items: center;
  padding: 6px 9px;
  border: 1px solid var(--sage-line);
  border-radius: 999px;
  background: var(--sage-soft);
  color: #456055;
  font-size: 0.76rem;
  font-weight: 750;
  white-space: nowrap;
}

.paper-grid,
.two-column,
.comparison,
.judgement-routes {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.record,
.compact-card,
.reasoning-card,
.outcome-card,
.route-card {
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #f8faf7;
}

.record.current-paper {
  border-left: 5px solid var(--sage);
  background: #fff;
}

.record dl,
.compact-detail,
.source-detail,
.continuity-record {
  display: grid;
  grid-template-columns: minmax(120px, auto) 1fr;
  gap: 7px 12px;
  margin: 13px 0 0;
  font-size: 0.87rem;
}

.record dt,
.compact-detail dt,
.source-detail dt,
.continuity-record dt {
  color: var(--muted);
  font-weight: 750;
}

.record dd,
.compact-detail dd,
.source-detail dd,
.continuity-record dd {
  margin: 0;
}

.key-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-top: 13px;
}

.key-facts span {
  padding: 5px 8px;
  border: 1px solid #c9d5ce;
  border-radius: 999px;
  background: #fff;
  color: #4b6158;
  font-size: 0.77rem;
  font-weight: 700;
}

.current-question {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 20px;
  border: 1px solid var(--sage-line);
  border-radius: 10px;
  background: var(--sage-soft);
}

.current-question strong {
  margin-bottom: 7px;
  color: var(--sage);
  font-size: 0.76rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.current-question p {
  margin: 0;
  color: var(--sage-dark);
  font: italic 600 clamp(1.08rem, 2.2vw, 1.28rem)/1.5 Georgia, "Times New Roman", serif;
}

.plain-disclosure,
.source-record,
.ai-disclosure,
.reopening-condition {
  margin-top: 11px;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: #fff;
}

.plain-disclosure > summary,
.source-record > summary,
.ai-disclosure > summary,
.reopening-condition > summary {
  padding: 12px 14px;
  cursor: pointer;
  color: #40584e;
  font-weight: 750;
  list-style-position: inside;
}

.disclosure-body,
.source-body,
.ai-disclosure-body,
.condition-body {
  padding: 0 14px 14px;
  color: var(--muted);
}

.disclosure-body > :first-child,
.source-body > :first-child,
.ai-disclosure-body > :first-child,
.condition-body > :first-child {
  margin-top: 2px;
}

.reasoning-grid,
.source-grid,
.change-grid,
.outcome-grid,
.ai-record-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.reasoning-card strong,
.change-card strong,
.outcome-card strong,
.route-card strong {
  display: block;
  margin-bottom: 6px;
  color: var(--sage);
  font-size: 0.76rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.reasoning-card p,
.change-card p,
.outcome-card p,
.route-card p {
  margin: 0;
  color: #43574f;
  font-size: 0.91rem;
}

.reasoning-card.warning,
.change-card.warning,
.route-card.warning {
  border-color: var(--warm-line);
  background: var(--warm);
}

.conditions-line {
  margin: 15px 0 0;
  padding: 13px 15px;
  border-left: 4px solid var(--sage-line);
  background: var(--sage-soft);
  color: #40564e;
}

.comparison-card {
  padding: 17px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #f8faf7;
}

.comparison-card.current {
  border-color: var(--sage-line);
  background: var(--sage-soft);
}

.comparison-card ul,
.disclosure-body ul,
.condition-body ul {
  margin: 9px 0 0;
  padding-left: 20px;
}

.comparison-card li + li,
.disclosure-body li + li,
.condition-body li + li {
  margin-top: 6px;
}

.change-grid {
  margin-top: 12px;
}

.change-card {
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: #fff;
}

.source-grid {
  margin-top: 13px;
}

.source-record {
  margin-top: 0;
}

.source-body p {
  margin-bottom: 10px;
}

.source-status {
  display: inline-block;
  margin-top: 8px;
  color: var(--sage);
  font-size: 0.8rem;
  font-weight: 750;
}

.provenance-note {
  margin: 14px 0 0;
  padding: 13px 15px;
  border-left: 4px solid var(--sage);
  background: var(--sage-soft);
  color: #40564e;
}

.ai-disclosure {
  border-color: var(--sage-line);
  background: #f8faf7;
}

.ai-disclosure > summary {
  color: var(--sage-dark);
}

.ai-principles {
  margin: 8px 0 14px;
  padding: 14px 16px;
  border-left: 4px solid var(--sage);
  background: var(--sage-soft);
}

.ai-principles p {
  margin: 0;
  color: #344a40;
  font-weight: 700;
}

.ai-principles p + p {
  margin-top: 7px;
}

.ai-record {
  padding: 15px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
}

.ai-record h3 {
  color: var(--sage-dark);
}

.ai-record .type-pill {
  margin-bottom: 10px;
}

.ai-record-grid {
  grid-template-columns: 1fr;
  margin-top: 12px;
}

.ai-record-grid div {
  padding-top: 9px;
  border-top: 1px solid var(--line);
}

.ai-record-grid dt {
  margin-bottom: 3px;
  color: var(--sage);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.ai-record-grid dd {
  margin: 0;
  color: #465b52;
  font-size: 0.87rem;
  line-height: 1.48;
}

.truthful-disclosure {
  margin: 14px 0 0;
  color: var(--muted);
  font-style: italic;
}

.choice-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 14px 0;
}

.choice-button,
.primary-button,
.secondary-button {
  min-height: 44px;
  padding: 9px 13px;
  border-radius: 8px;
  cursor: pointer;
  font-weight: 750;
}

.choice-button,
.secondary-button {
  border: 1px solid var(--sage-line);
  background: #fff;
  color: #41564e;
}

.choice-button[aria-pressed="true"] {
  border-color: var(--sage);
  background: var(--sage-mid);
  color: var(--sage-dark);
}

.primary-button {
  border: 1px solid var(--sage);
  background: var(--sage);
  color: var(--off-white);
}

.choice-button:hover,
.secondary-button:hover {
  border-color: var(--sage);
  background: var(--sage-soft);
}

.primary-button:hover {
  border-color: var(--sage-dark);
  background: var(--sage-dark);
}

.role-answer {
  min-height: 150px;
  padding: 17px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #f8faf7;
}

.role-answer h3 {
  color: var(--sage);
}

.role-answer ul {
  margin: 9px 0 0;
  padding-left: 20px;
}

.role-answer li + li {
  margin-top: 7px;
}

.role-lens-boundary {
  margin: 14px 0 10px;
  padding: 11px 13px;
  border-left: 4px solid var(--sage);
  background: var(--sage-soft);
  color: #40564e;
  font-size: 0.88rem;
  line-height: 1.5;
}

.role-source-link {
  margin-top: 12px;
}

.judgement-box {
  margin-top: 14px;
  padding: 17px;
  border: 1px solid var(--warm-line);
  border-radius: 10px;
  background: var(--warm);
}

.judgement-box h3 {
  color: #6c5731;
}

.judgement-box p:last-child {
  margin-bottom: 0;
}

.preserved-decision {
  padding: 18px;
  border: 1px solid var(--sage-line);
  border-left: 5px solid var(--sage);
  border-radius: 10px;
  background: var(--sage-soft);
}

.preserved-decision h3 {
  color: var(--sage-dark);
  font-size: 1.15rem;
}

.continuity-record {
  margin-bottom: 0;
}

.outcome-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 14px;
}

.outcome-card {
  background: #fff;
}

.reopening-list {
  display: grid;
  gap: 9px;
  margin-top: 13px;
}

.reopening-condition {
  margin-top: 0;
}

.future-handoff {
  margin-top: 15px;
  padding: 17px;
  border: 1px solid var(--sage-line);
  border-radius: 10px;
  background: var(--sage-soft);
}

.future-handoff p {
  margin-bottom: 0;
  color: #40564e;
  font-family: Georgia, "Times New Roman", serif;
  font-style: italic;
}

.stage-navigation {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-top: 18px;
}

.stage-navigation button:disabled {
  visibility: hidden;
}

.gallery-link {
  display: inline-flex;
  margin-top: 20px;
  color: var(--sage);
  font-weight: 750;
  text-underline-offset: 0.18em;
}

.gallery-link:hover {
  color: var(--sage-dark);
}

button:focus-visible,
summary:focus-visible,
a:focus-visible {
  outline: 3px solid var(--sage);
  outline-offset: 3px;
}

.footer {
  padding: 30px 0 10px;
  text-align: center;
  color: var(--muted);
  font-size: 0.95rem;
}

.footer-sub {
  display: block;
  margin-top: 4px;
  font-size: 0.82rem;
  color: rgba(70, 84, 78, 0.72);
  opacity: 0.75;
  text-align: center;
  line-height: 1.5;
}

@media (max-width: 800px) {
  .continuity-progress ol {
    grid-template-columns: 1fr;
  }

  .stage-tab {
    min-height: 48px;
  }

  .stage-tab span {
    display: inline;
    margin-right: 7px;
  }

  .stage-tab strong {
    display: inline;
  }

  .operating-boundary,
  .source-register-grid,
  .paper-grid,
  .two-column,
  .comparison,
  .judgement-routes,
  .reasoning-grid,
  .source-grid,
  .change-grid,
  .outcome-grid {
    grid-template-columns: 1fr;
  }

  .operating-boundary div + div {
    border-top: 1px solid var(--line);
    border-left: 0;
  }
}

@media (max-width: 560px) {
  .continuity-shell {
    width: min(100% - 20px, 1120px);
    padding-top: 10px;
  }

  .continuity-brand {
    align-items: flex-start;
    flex-direction: column;
    gap: 12px;
    padding: 16px;
  }

  .continuity-brand__logo {
    width: 164px;
  }

  .continuity-brand__type {
    text-align: left;
  }

  .continuity-heading {
    padding: 24px 18px;
  }

  .source-register-summary {
    padding: 16px;
  }

  .source-register-summary__head {
    flex-direction: column;
    gap: 6px;
  }

  .source-register-count {
    white-space: normal;
  }

  .source-register-record dl {
    grid-template-columns: 1fr;
    gap: 3px;
  }

  .source-register-record dd {
    margin-bottom: 6px;
  }

  .panel {
    padding: 18px 16px;
  }

  .panel-head {
    align-items: flex-start;
    flex-direction: column;
  }

  .record dl,
  .compact-detail,
  .source-detail,
  .continuity-record {
    grid-template-columns: 1fr;
    gap: 3px;
  }

  .record dd,
  .compact-detail dd,
  .source-detail dd,
  .continuity-record dd {
    margin-bottom: 7px;
  }

  .choice-row {
    display: grid;
  }

  .choice-button {
    width: 100%;
    text-align: left;
  }

  .stage-navigation {
    flex-direction: column;
  }

  .stage-navigation button {
    width: 100%;
  }

  .stage-navigation .primary-button {
    order: -1;
  }
}