.chronology-main {
  --chronology-accent: var(--accent);
  background: var(--surface);
  color: var(--ink);
}

.chronology-hero {
  padding: 48px var(--gutter) 42px;
  border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--map-land) 42%, var(--surface));
}

.chronology-hero-inner,
.chronology-band-inner {
  width: min(100%, 1320px);
  margin-inline: auto;
}

.chronology-hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(340px, 430px);
  column-gap: clamp(34px, 5vw, 74px);
  align-items: start;
}

.chronology-hero-inner > :not(.verification-panel) {
  grid-column: 1;
}

.chronology-hero-inner > .verification-panel {
  grid-column: 2;
  grid-row: 1 / span 8;
  align-self: start;
  width: 100%;
  margin: 0;
  box-shadow: none;
}

.chronology-hero .kicker,
.chronology-record-date {
  color: var(--accent);
  font-size: 11px;
  font-weight: 800;
  line-height: 1.4;
  text-transform: uppercase;
}

.chronology-hero h1 {
  max-width: 18ch;
  margin: 8px 0 16px;
  font-size: 72px;
  line-height: 0.98;
  letter-spacing: 0;
  overflow-wrap: anywhere;
}

.is-chronology-record .chronology-hero h1 {
  font-size: 60px;
}

.chronology-hero-inner > p:not(.kicker):not(.chronology-record-date) {
  max-width: 68ch;
  margin: 0;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.55;
}

.chronology-hero .chronology-record-date {
  margin: 0 0 12px;
  font-size: 12px;
}

.chronology-stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(128px, 1fr));
  gap: 1px;
  width: min(100%, 720px);
  margin-top: 26px;
  background: var(--line);
  vertical-align: top;
}

.chronology-stats span {
  min-width: 0;
  padding: 13px 15px;
  background: var(--surface);
  color: var(--muted);
  font-size: 12px;
  line-height: 1.4;
}

.chronology-stats strong {
  display: block;
  color: var(--ink);
  font-family: var(--font-display, Georgia, serif);
  font-size: 24px;
  font-variant-numeric: tabular-nums;
  line-height: 1.1;
}

.chronology-band {
  padding: 54px var(--gutter);
  border-bottom: 1px solid var(--line);
}

.chronology-band.is-alt {
  background: var(--surface-alt);
}

.chronology-main .section-head {
  max-width: 760px;
  margin-bottom: 34px;
}

.chronology-main .section-head h2 {
  margin-bottom: 12px;
  font-size: 38px;
  overflow-wrap: anywhere;
}

.chronology-main .section-head > p:last-child:not(.kicker) {
  color: var(--muted);
  font-size: 16px;
  line-height: 1.6;
}

.chronology-toolbar {
  position: sticky;
  z-index: 40;
  top: var(--header-height, 70px);
  display: grid;
  grid-template-columns: minmax(240px, 1fr) minmax(160px, 210px) minmax(210px, 280px) minmax(112px, auto) auto;
  gap: 10px;
  align-items: end;
  padding: 12px max(var(--gutter), calc((100% - 1320px) / 2));
  border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--surface) 96%, transparent);
  backdrop-filter: blur(12px);
}

.chronology-toolbar label {
  min-width: 0;
  display: grid;
  gap: 4px;
  color: var(--muted);
  font-size: 10px;
  font-weight: 800;
  line-height: 1.35;
  text-transform: uppercase;
}

.chronology-toolbar input,
.chronology-toolbar select,
.chronology-toolbar button {
  width: 100%;
  height: 44px;
  min-width: 0;
  padding: 8px 10px;
  border: 1px solid var(--line);
  border-radius: 3px;
  background: var(--surface);
  color: var(--ink);
  font: inherit;
  font-size: 14px;
  line-height: 1.25;
}

.chronology-toolbar input,
.chronology-toolbar select {
  text-overflow: ellipsis;
}

.chronology-toolbar button {
  min-width: 112px;
  font-size: 12px;
  font-weight: 750;
  cursor: pointer;
  touch-action: manipulation;
}

.chronology-toolbar button:disabled {
  color: var(--muted);
  cursor: default;
  opacity: 0.58;
}

.chronology-toolbar.has-active-filters .chronology-clear {
  border-color: color-mix(in srgb, var(--accent) 52%, var(--line));
}

.chronology-toolbar output {
  min-width: 112px;
  height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: flex-end;
  padding-inline: 6px;
  color: var(--muted);
  font-size: 12px;
  font-variant-numeric: tabular-nums;
  line-height: 1.3;
  text-align: right;
}

.chronology-stage-rail {
  border-bottom: 1px solid var(--line);
  background: var(--surface-alt);
}

.chronology-stage-rail-inner {
  width: min(100%, 1320px);
  min-height: 54px;
  display: flex;
  align-items: stretch;
  gap: 0;
  margin-inline: auto;
  overflow-x: auto;
  padding-inline: var(--gutter);
  scrollbar-color: var(--accent) transparent;
  scrollbar-width: thin;
}

.chronology-stage-rail button {
  min-width: 154px;
  min-height: 52px;
  display: inline-grid;
  grid-template-columns: minmax(0, 1fr) 3ch;
  gap: 8px;
  align-items: center;
  flex: 0 0 auto;
  padding: 7px 12px;
  border: 0;
  border-right: 1px solid var(--line);
  border-bottom: 3px solid transparent;
  border-radius: 0;
  background: transparent;
  color: var(--muted);
  font: inherit;
  font-size: 11px;
  font-weight: 700;
  line-height: 1.25;
  text-align: left;
  cursor: pointer;
  touch-action: manipulation;
}

.chronology-stage-rail button:first-child {
  min-width: 116px;
  border-left: 1px solid var(--line);
}

.chronology-stage-rail button:hover,
.chronology-stage-rail button.is-selected {
  background: color-mix(in srgb, var(--map-land) 38%, var(--surface));
  color: var(--ink);
}

.chronology-stage-rail button.is-selected {
  border-bottom-color: var(--accent);
}

.chronology-stage-count {
  min-width: 3ch;
  color: var(--accent);
  font-variant-numeric: tabular-nums;
  text-align: right;
}

.chronology-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  border: 1px solid var(--line);
  background: var(--line);
}

.is-chronology-index .chronology-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  border: 0;
  background: transparent;
}

.is-chronology-pack .chronology-grid,
.chronology-grid:has(> [data-chronology-card]) {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  border: 0;
  background: transparent;
}

.chronology-grid.is-empty {
  display: none;
}

.chronology-era-marker {
  min-height: 52px;
  display: grid;
  grid-template-columns: 36px minmax(0, 1fr) auto;
  grid-column: 1 / -1;
  gap: 12px;
  align-items: center;
  margin: 24px 0 0;
  padding: 10px 2px;
  border-bottom: 1px solid var(--line);
  scroll-margin-top: calc(var(--header-height, 70px) + 88px);
}

.chronology-era-marker:first-child {
  margin-top: 0;
}

.chronology-era-marker[hidden] {
  display: none;
}

.chronology-era-line {
  width: 30px;
  height: 3px;
  background: var(--accent);
}

.chronology-era-marker h2 {
  margin: 0;
  font-family: var(--font-display, Georgia, serif);
  font-size: 23px;
  line-height: 1.15;
}

.chronology-era-count {
  color: var(--muted);
  font-size: 11px;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.chronology-no-results {
  width: min(calc(100% - (var(--gutter) * 2)), 1320px);
  margin: 0 auto;
  padding: 42px 0;
  border-block: 1px solid var(--line);
  color: var(--muted);
  text-align: center;
}

.chronology-no-results[hidden] {
  display: none;
}

.chronology-no-results h2 {
  margin: 0 0 8px;
  color: var(--ink);
  font-size: 28px;
}

.chronology-no-results p {
  max-width: 64ch;
  margin: 0 auto 18px;
  font-size: 14px;
  line-height: 1.6;
}

.chronology-no-results button {
  min-width: 150px;
  min-height: 44px;
  padding: 9px 14px;
  border: 1px solid var(--line);
  border-radius: 3px;
  background: var(--surface);
  color: var(--ink);
  font: inherit;
  font-size: 12px;
  font-weight: 750;
  cursor: pointer;
}

.chronology-card {
  min-width: 0;
  min-height: 100%;
  display: grid;
  grid-template-rows: auto 1fr;
  border: 1px solid transparent;
  background: var(--surface);
  color: inherit;
  text-decoration: none;
  scroll-margin-top: calc(var(--header-height, 70px) + 92px);
}

.chronology-card[hidden] {
  display: none;
}

.chronology-card-media {
  min-width: 0;
  display: grid;
  aspect-ratio: 16 / 9;
  place-items: center;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
  background: var(--map-land);
}

.chronology-card-media img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.chronology-card-copy {
  min-width: 0;
  padding: 20px;
  overflow-wrap: anywhere;
}

.chronology-card-copy > small:first-child {
  display: block;
  color: var(--accent);
  font-size: 10px;
  font-weight: 800;
  line-height: 1.45;
  text-transform: uppercase;
}

.chronology-card-copy h2,
.chronology-card-copy h3 {
  margin: 7px 0 9px;
  font-size: 25px;
  line-height: 1.12;
  overflow-wrap: anywhere;
}

.chronology-card-copy > p:not(.agent-citation) {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.55;
}

.chronology-card-copy > p:not(.agent-citation) + p:not(.agent-citation) {
  margin-top: 9px;
}

.chronology-card .agent-citation,
.record-prose .agent-citation,
.record-facts .agent-citation {
  margin-top: 12px;
  padding: 8px 0 0;
  border: 0;
  border-top: 1px solid var(--line);
  border-radius: 0;
  background: transparent;
}

.chronology-card .agent-citation-code,
.record-prose .agent-citation-code,
.record-facts .agent-citation-code {
  padding: 0;
  border: 0;
  background: transparent;
}

.chronology-card:hover,
.chronology-card:focus-visible {
  border-color: color-mix(in srgb, var(--accent) 68%, var(--line));
  background: color-mix(in srgb, var(--accent) 6%, var(--surface));
}

.is-chronology-index .chronology-grid > .chronology-card:first-child {
  grid-template-columns: minmax(300px, 0.82fr) minmax(0, 1.18fr);
  grid-template-rows: 1fr;
  grid-column: 1 / -1;
  border-color: var(--line);
}

.is-chronology-index .chronology-grid > .chronology-card:first-child .chronology-card-media {
  aspect-ratio: auto;
  border-right: 1px solid var(--line);
  border-bottom: 0;
}

.is-chronology-index .chronology-grid > .chronology-card:not(:first-child) {
  border-color: var(--line);
}

.is-chronology-pack .chronology-card {
  grid-template-columns: minmax(150px, 34%) minmax(0, 1fr);
  grid-template-rows: 1fr;
  min-height: 230px;
  border-color: var(--line);
}

.is-chronology-pack .chronology-card-media {
  height: 100%;
  aspect-ratio: auto;
  border-right: 1px solid var(--line);
  border-bottom: 0;
}

.is-chronology-pack .chronology-card-copy {
  padding: 18px;
}

.is-chronology-pack .chronology-card-copy h2 {
  font-size: 22px;
}

.record-jump-nav {
  position: sticky;
  z-index: 42;
  top: var(--header-height, 70px);
  min-height: 54px;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: stretch;
  gap: 20px;
  padding-inline: max(var(--gutter), calc((100% - 1320px) / 2));
  border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--surface) 96%, transparent);
  backdrop-filter: blur(12px);
}

.record-jump-label {
  display: inline-flex;
  align-items: center;
  color: var(--muted);
  font-size: 10px;
  font-weight: 800;
  text-transform: uppercase;
  white-space: nowrap;
}

.record-jump-nav-inner {
  min-width: 0;
  display: flex;
  align-items: stretch;
  overflow-x: auto;
  scrollbar-color: var(--accent) transparent;
  scrollbar-width: thin;
}

.record-jump-nav a {
  min-width: max-content;
  min-height: 53px;
  display: inline-flex;
  align-items: center;
  padding: 8px 15px;
  border-bottom: 3px solid transparent;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
  line-height: 1.25;
  text-decoration: none;
}

.record-jump-nav a:hover,
.record-jump-nav a[aria-current="location"] {
  border-bottom-color: var(--accent);
  color: var(--ink);
}

.record-anchor-target {
  scroll-margin-top: calc(var(--header-height, 70px) + 66px);
}

.record-anchor-target:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: -3px;
}

.record-visual {
  margin: 0;
  border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--map-water) 38%, #17201e);
}

.record-visual img {
  display: block;
  width: min(100%, 1600px);
  height: auto;
  margin-inline: auto;
}

.record-visual figcaption {
  width: min(100%, 1320px);
  margin-inline: auto;
  padding: 13px var(--gutter);
  color: #f3f0e9;
  font-size: 11px;
  line-height: 1.55;
}

.record-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(300px, 0.6fr);
  gap: clamp(34px, 5vw, 72px);
}

.record-prose {
  display: block;
  border-top: 1px solid var(--line);
  background: transparent;
}

.record-prose article {
  padding: 24px 0;
  border-bottom: 1px solid var(--line);
  background: transparent;
}

.record-prose h2 {
  margin: 0 0 9px;
  font-size: 25px;
  line-height: 1.15;
}

.record-prose p {
  margin: 0;
  color: var(--muted);
  line-height: 1.68;
}

.record-facts {
  align-self: start;
  padding: 0 20px 16px;
  border: 1px solid var(--line);
  border-top: 3px solid var(--accent);
  background: var(--surface-alt);
}

.record-facts dl {
  margin: 0;
}

.record-facts div {
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}

.record-facts dt {
  color: var(--muted);
  font-size: 9px;
  font-weight: 800;
  line-height: 1.4;
  text-transform: uppercase;
}

.record-facts dd {
  margin: 4px 0 0;
  line-height: 1.5;
  overflow-wrap: anywhere;
}

.record-map-wrap {
  position: relative;
  min-height: 520px;
}

.record-map {
  width: 100%;
  min-height: 520px;
  background: var(--map-water);
}

.record-map:not(.is-map-interactive) {
  touch-action: pan-y;
}

.record-map-fallback {
  display: grid;
  place-items: center;
  padding: 64px var(--gutter);
  background: color-mix(in srgb, var(--map-water) 76%, var(--surface));
}

.record-map-fallback-panel {
  width: min(100%, 580px);
  padding: 34px;
  border: 1px solid var(--map-line);
  border-radius: 0;
  background: color-mix(in srgb, var(--surface) 95%, transparent);
  text-align: center;
}

.record-map-fallback-panel h2 {
  margin: 0 0 9px;
  font-size: 30px;
}

.record-map-fallback-panel p {
  margin: 0;
  color: var(--muted);
  line-height: 1.6;
}

.record-map-note,
.record-map-activate {
  position: absolute;
  z-index: 600;
  right: 14px;
  border: 1px solid var(--line);
  border-radius: 3px;
  background: var(--surface);
  color: var(--ink);
  font-size: 10px;
}

.record-map-activate:disabled {
  cursor: not-allowed;
  opacity: 0.72;
}

.record-map-note {
  bottom: 14px;
  width: min(340px, calc(100% - 28px));
  margin: 0;
  padding: 9px 11px;
  color: var(--muted);
  line-height: 1.45;
}

.record-map-activate {
  top: 14px;
  min-width: 148px;
  min-height: 42px;
  padding: 9px 11px;
  font-family: inherit;
  font-weight: 700;
  cursor: pointer;
  touch-action: manipulation;
}

.record-map-wrap > .agent-citation {
  width: min(calc(100% - (var(--gutter) * 2)), 1320px);
  margin: 0 auto;
  padding: 10px 0;
  border: 0;
  border-top: 1px solid var(--line);
  border-radius: 0;
  background: transparent;
}

.evidence-register {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  border: 1px solid var(--line);
  background: var(--line);
}

.evidence-register article {
  min-width: 0;
  padding: 17px;
  background: var(--surface);
  overflow-wrap: anywhere;
}

.evidence-register h3 {
  margin: 5px 0;
  font-size: 16px;
  line-height: 1.3;
}

.evidence-register p {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.5;
}

.chronology-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 22px;
}

.chronology-actions a,
.chronology-actions button {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 9px 14px;
  border: 1px solid var(--line);
  border-radius: 3px;
  background: var(--surface);
  color: var(--ink);
  font: inherit;
  font-size: 12px;
  font-weight: 700;
  line-height: 1.35;
  text-align: center;
  text-decoration: none;
  overflow-wrap: anywhere;
  cursor: pointer;
  touch-action: manipulation;
}

.chronology-actions a:hover,
.chronology-actions button:hover {
  border-color: color-mix(in srgb, var(--accent) 68%, var(--line));
  background: color-mix(in srgb, var(--accent) 6%, var(--surface));
}

[data-chronology-sound] {
  min-width: 194px;
}

.record-anchor-target#record-evidence .chronology-actions {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

@supports (content-visibility: auto) {
  .chronology-card,
  .record-prose article,
  .evidence-register article {
    content-visibility: auto;
    contain-intrinsic-size: auto 240px;
  }

  .record-prose article,
  .evidence-register article {
    contain-intrinsic-size: auto 150px;
  }
}

@media (max-width: 1080px) {
  .chronology-hero-inner {
    grid-template-columns: 1fr;
  }

  .chronology-hero-inner > :not(.verification-panel),
  .chronology-hero-inner > .verification-panel {
    grid-column: 1;
  }

  .chronology-hero-inner > .verification-panel {
    grid-row: auto;
    width: min(100%, 760px);
    margin-top: 28px;
  }

  .chronology-toolbar {
    grid-template-columns: minmax(220px, 1fr) minmax(150px, 190px) minmax(190px, 240px) minmax(108px, auto) auto;
  }

  .record-layout {
    grid-template-columns: 1fr;
  }

  .record-facts {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (max-width: 900px) {
  .chronology-hero h1 {
    font-size: 54px;
  }

  .is-chronology-record .chronology-hero h1 {
    font-size: 48px;
  }

  .chronology-toolbar {
    position: relative;
    top: auto;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .chronology-toolbar label:first-child {
    grid-column: 1 / -1;
  }

  .chronology-toolbar output {
    justify-content: flex-start;
    padding-inline: 0;
    text-align: left;
  }

  .is-chronology-pack .chronology-grid,
  .chronology-grid:has(> [data-chronology-card]) {
    grid-template-columns: 1fr;
  }

  .is-chronology-index .chronology-grid {
    grid-template-columns: 1fr;
  }

  .is-chronology-index .chronology-grid > .chronology-card:first-child {
    grid-column: auto;
  }
}

@media (max-width: 680px) {
  .chronology-hero {
    padding-top: 36px;
    padding-bottom: 34px;
  }

  .chronology-band {
    padding-block: 42px;
  }

  .chronology-main .section-head h2 {
    font-size: 32px;
  }

  .chronology-stats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    width: 100%;
  }

  .record-jump-nav {
    grid-template-columns: 1fr;
    gap: 0;
    padding-inline: var(--gutter);
  }

  .record-jump-label {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
    clip-path: inset(50%);
    white-space: nowrap;
  }

  .record-jump-nav a {
    flex: 1 0 auto;
    justify-content: center;
    padding-inline: 8px;
    font-size: 11px;
  }

  .evidence-register {
    grid-template-columns: 1fr;
  }

  .record-map-wrap,
  .record-map {
    min-height: 430px;
  }

  .record-map-fallback {
    padding-block: 52px;
  }
}

@media (max-width: 520px) {
  .chronology-hero h1,
  .is-chronology-record .chronology-hero h1 {
    font-size: 38px;
    line-height: 1.02;
  }

  .chronology-hero-inner > p:not(.kicker):not(.chronology-record-date) {
    font-size: 16px;
  }

  .chronology-main .verification-panel {
    grid-template-columns: 1fr;
    padding: 16px;
  }

  .chronology-main .verification-panel-seal {
    width: 68px;
    min-height: 68px;
  }

  .chronology-toolbar {
    grid-template-columns: 1fr;
  }

  .chronology-toolbar label:first-child {
    grid-column: auto;
  }

  .chronology-toolbar output,
  .chronology-toolbar button {
    width: 100%;
  }

  .chronology-stage-rail button {
    min-width: 144px;
  }

  .chronology-era-marker {
    grid-template-columns: 24px minmax(0, 1fr);
    gap: 9px;
  }

  .chronology-era-line {
    width: 20px;
  }

  .chronology-era-marker h2 {
    font-size: 20px;
  }

  .chronology-era-count {
    grid-column: 2;
  }

  .is-chronology-index .chronology-grid > .chronology-card:first-child,
  .is-chronology-pack .chronology-card {
    grid-template-columns: 1fr;
    grid-template-rows: auto 1fr;
  }

  .is-chronology-index .chronology-grid > .chronology-card:first-child .chronology-card-media,
  .is-chronology-pack .chronology-card-media {
    height: auto;
    aspect-ratio: 16 / 9;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .chronology-card-copy,
  .is-chronology-pack .chronology-card-copy {
    padding: 16px;
  }

  .chronology-card-copy h2,
  .chronology-card-copy h3,
  .is-chronology-pack .chronology-card-copy h2 {
    font-size: 21px;
  }

  .record-prose h2 {
    font-size: 22px;
  }

  .record-facts {
    padding-inline: 16px;
  }

  .record-map-wrap,
  .record-map {
    min-height: 390px;
  }

  .record-map-activate {
    top: 10px;
    right: 10px;
  }

  .record-map-note {
    right: 10px;
    bottom: 10px;
    width: calc(100% - 20px);
  }

  .record-map-fallback-panel {
    padding: 24px 18px;
  }

  .record-map-fallback-panel h2 {
    font-size: 25px;
  }

  .chronology-actions,
  .record-anchor-target#record-evidence .chronology-actions {
    display: grid;
    grid-template-columns: 1fr;
  }

  .chronology-actions a,
  .chronology-actions button,
  [data-chronology-sound] {
    width: 100%;
    min-width: 0;
  }
}

@media (forced-colors: active) {
  .chronology-stage-rail button.is-selected,
  .chronology-card:hover,
  .chronology-card:focus-visible {
    border-color: Highlight;
  }

  .chronology-era-line {
    background: Highlight;
  }
}

@media (prefers-reduced-motion: reduce) {
  .chronology-card,
  .chronology-stage-rail button,
  .record-jump-nav a,
  .record-map .leaflet-zoom-animated {
    scroll-behavior: auto !important;
    transition: none !important;
  }
}