:root {
  --paper: #e7e2d3;
  --paper-alt: #ded8c5;
  --ink: #2b2a25;
  --muted: #6b6659;
  --muted-text: #5d594e;
  --line: #c9c2ac;
  --stamp: #8c2f26;
  --stamp-hover: #b96257;
  --moss: #4a5d3a;
  --moss-light: #8b9a78;
  --page-measure: 760px;
  --page-inset-start: max(48px, calc((100vw - var(--page-measure)) / 2 - 8px));
  --page-inset-end: max(32px, calc((100vw - var(--page-measure)) / 2 + 8px));
  --reader-header-size: 96px;
  --serif: "Noto Serif SC", "Songti SC", "STSong", "SimSun", serif;
  --sans: "Noto Sans SC", "Microsoft YaHei", "DengXian", sans-serif;
  --mono: "JetBrains Mono", "Cascadia Mono", Consolas, monospace;
  color-scheme: light;
  interpolate-size: allow-keywords;
  font-synthesis: none;
  text-rendering: optimizeLegibility;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  overflow-x: hidden;
  scroll-behavior: smooth;
  background: var(--paper);
}

body {
  min-inline-size: 320px;
  margin: 0;
  overflow-x: hidden;
  color: var(--ink);
  background: var(--paper);
  font: 400 16px/1.9 var(--serif);
}

body > a:first-child {
  position: fixed;
  z-index: 100;
  inset-block-start: 8px;
  inset-inline-start: 8px;
  padding: 8px 12px;
  color: var(--paper);
  background: var(--ink);
  font: 400 13px/1.6 var(--sans);
  transform: translateY(-180%);
  transition: transform 160ms ease;
}

body > a:first-child:focus {
  transform: translateY(0);
}

[data-scroll-edge] {
  position: fixed;
  z-index: 60;
  inset-block: 0;
  inset-inline-start: 0;
  inline-size: 1px;
  background: var(--line);
  pointer-events: none;
}

a {
  color: inherit;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.35em;
}

a:hover {
  color: var(--stamp);
}

button,
a {
  touch-action: manipulation;
}

button {
  min-inline-size: 44px;
  min-block-size: 44px;
  border: 1px solid var(--line);
  border-radius: 0;
  padding: 8px 14px;
  color: var(--ink);
  background: transparent;
  font: 400 13px/1.6 var(--sans);
  cursor: pointer;
}

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

button[aria-pressed="true"] {
  border-color: var(--moss);
  color: var(--moss);
  background: var(--paper-alt);
}

:focus-visible {
  outline: 2px solid var(--moss);
  outline-offset: 2px;
}

::selection {
  color: var(--paper);
  background: var(--stamp);
}

h1,
h2,
h3,
blockquote {
  margin-block: 0;
  color: var(--ink);
  font-family: var(--serif);
}

h3 {
  font-size: 17px;
  font-weight: 500;
  line-height: 1.6;
}

p,
dl,
ol,
ul,
figure,
fieldset,
blockquote {
  margin-block: 0;
}

main > section,
footer {
  inline-size: 100%;
  margin: 0;
  padding-inline: var(--page-inset-start) var(--page-inset-end);
}

main > [data-chapter] {
  padding-block: 72px 96px;
}

.eyebrow,
.cover-opening > p:first-child {
  color: var(--muted-text);
  font: 400 13px/1.6 var(--sans);
  letter-spacing: 0.12em;
}

[data-site-header] {
  position: fixed;
  z-index: 30;
  inset-block-start: 0;
  inset-inline: 0;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  min-block-size: var(--reader-header-size);
  border-block-end: 1px solid var(--line);
  padding-inline: var(--page-inset-start) var(--page-inset-end);
  background: var(--paper);
}

[data-home-link] {
  display: grid;
  align-content: center;
  min-block-size: 44px;
  text-decoration: none;
}

[data-home-link] > span {
  color: var(--muted-text);
  font: 400 13px/1.4 var(--sans);
  letter-spacing: 0.1em;
}

[data-home-link] h1 {
  margin-block-start: 4px;
  font-size: 28px;
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: 0.04em;
  white-space: nowrap;
}

[data-site-header] nav {
  min-inline-size: 0;
  justify-self: end;
}

[data-site-header] nav ul {
  display: flex;
  justify-content: flex-end;
  gap: 4px;
  min-inline-size: max-content;
  margin: 0;
  padding: 0;
  list-style: none;
}

[data-site-header] nav a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-inline-size: 44px;
  min-block-size: 44px;
  border-block-end: 1px solid transparent;
  color: var(--muted-text);
  font: 400 13px/1.4 var(--sans);
  text-decoration: none;
  transition: color 160ms ease, border-color 160ms ease;
}

[data-site-header] nav a:hover {
  border-block-end-color: var(--stamp-hover);
  color: var(--stamp);
}

[data-site-header] nav a[aria-current="page"],
[data-site-header] nav a[aria-current="location"] {
  border-block-end-color: var(--moss);
  color: var(--moss);
}

[data-project-cover] {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  min-block-size: 100dvh;
  padding-block: calc(var(--reader-header-size) + 112px) 80px;
}

[data-cover-visual] {
  display: block;
  max-inline-size: 640px;
}

[data-project-cover] h2 {
  max-inline-size: 13em;
  font-size: 34px;
  font-weight: 600;
  line-height: 1.45;
  letter-spacing: 0.01em;
}

[data-project-cover] h2 span {
  display: block;
  white-space: nowrap;
}

[data-project-cover] h2 + p {
  max-inline-size: 38em;
  margin-block-start: 24px;
  color: var(--muted-text);
}

.cover-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 28px;
  margin-block-start: 32px;
}

.status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--muted-text);
  font: 400 13px/1.6 var(--sans);
}

[data-status="confirmed"] [data-status-mark] {
  display: inline-grid;
  inline-size: 16px;
  block-size: 16px;
  place-items: center;
  border: 1px solid var(--stamp);
  color: var(--stamp);
  font: 400 10px/1 var(--sans);
}

[data-status="missing"] [data-status-mark] {
  display: inline-block;
  flex: 0 0 auto;
  inline-size: 8px;
  block-size: 8px;
  border: 1px dashed var(--muted-text);
  border-radius: 50%;
}

.cover-opening {
  margin-block-start: 88px;
  border-block-start: 1px solid var(--line);
  border-block-end: 1px solid var(--line);
  padding-block: 56px 64px;
}

.cover-opening blockquote {
  max-inline-size: 31em;
  margin-block: 24px 20px;
  border-inline-start: 2px solid var(--moss-light);
  padding-inline-start: 20px;
  font: 400 17px/1.7 var(--serif);
}

.cover-opening > p:last-child {
  max-inline-size: 38em;
  color: var(--muted-text);
}

[data-chapter-directory] {
  border-block: 1px solid var(--line);
  padding-block: 56px;
}

[data-chapter-directory] h2 {
  margin-block-start: 4px;
  font-size: 22px;
  font-weight: 500;
  line-height: 1.5;
}

[data-chapter-directory] ol {
  margin: 22px 0 0;
  border-block-start: 1px solid var(--line);
  padding: 0;
  list-style: none;
}

[data-chapter-directory] li {
  border-block-end: 1px solid var(--line);
}

[data-chapter-directory-link] {
  display: grid;
  grid-template-columns: 48px minmax(190px, 220px) minmax(0, 1fr);
  align-items: center;
  gap: 20px;
  min-block-size: 72px;
  padding-block: 14px;
  text-decoration: none;
}

[data-chapter-directory-link]:hover,
[data-rule-item] summary:hover {
  color: var(--stamp);
}

[data-chapter-number],
[data-field="recordedAt"] {
  font-family: var(--mono);
}

[data-chapter-number] {
  color: var(--muted-text);
  font-size: 13px;
}

[data-chapter-heading] {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

[data-chapter-name] {
  font-size: 17px;
  font-weight: 500;
}

[data-chapter-summary] {
  color: var(--muted-text);
}

[data-lineage-preview] {
  display: grid;
  gap: 12px;
  margin-block-start: 72px;
  border-block: 1px solid var(--line);
  padding-block: 40px 24px;
  text-decoration: none;
}

.lineage-preview-title {
  font-size: 22px;
  font-weight: 500;
  line-height: 1.5;
}

[data-lineage-preview-graph] {
  display: block;
  inline-size: 100%;
  block-size: auto;
  max-block-size: 300px;
  border-block: 1px solid var(--line);
  color: var(--moss);
}

[data-lineage-preview-caption] {
  color: var(--muted-text);
  font: 400 13px/1.6 var(--sans);
}

body[data-app-ready="true"] [data-cover-visual] {
  animation: cover-arrival 900ms ease-out both;
}

@keyframes cover-arrival {
  from {
    opacity: 0;
    transform: translateY(8px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

html.js main > [data-chapter] {
  display: none;
}

html.js main > [data-chapter][data-active-chapter="true"] {
  position: fixed;
  z-index: 20;
  inset: var(--reader-header-size) 0 0;
  display: block;
  inline-size: 100%;
  max-inline-size: none;
  margin: 0;
  padding-block: 64px 96px;
  padding-inline: var(--page-inset-start) var(--page-inset-end);
  overflow-y: auto;
  overscroll-behavior: contain;
  color: var(--ink);
  background: var(--paper);
  animation: chapter-arrival 220ms ease-out both;
}

html.js main > #places[data-active-chapter="true"],
html.js main > #about[data-active-chapter="true"] {
  min-block-size: 0;
}

body[data-active-chapter] {
  overflow: hidden;
}

body[data-active-chapter] [data-project-cover] {
  pointer-events: none;
}

[data-close-chapter] {
  display: inline-flex;
  align-items: center;
  min-inline-size: 44px;
  min-block-size: 44px;
  margin-block-end: 32px;
  color: var(--muted-text);
  font: 400 13px/1.6 var(--sans);
}

html.js main > [data-chapter][data-active-chapter="true"] > [data-close-chapter] {
  position: absolute;
  inset-block-start: 8px;
  inset-inline-start: var(--page-inset-start);
  margin-block-end: 0;
}

[data-chapter] > h2 {
  font-size: 22px;
  font-weight: 500;
  line-height: 1.5;
}

[data-chapter] > [data-chapter-status] {
  margin-block: 8px 40px;
}

@keyframes chapter-arrival {
  from {
    opacity: 0;
    transform: translateY(8px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

#origin::before,
[data-scene]::before,
[data-scene]::after {
  content: none;
}

[data-scene] {
  display: grid;
  grid-template-columns: 140px minmax(0, 1fr);
  gap: 28px;
  border-block-start: 1px solid var(--line);
  padding-block: 28px 36px;
}

[data-scene] h3 {
  color: var(--muted-text);
  font: 500 17px/1.7 var(--serif);
  letter-spacing: 0.08em;
}

[data-scene] p {
  grid-column: 2;
  max-inline-size: 36em;
}

[data-scene] h3 + p {
  font-size: 17px;
  line-height: 1.9;
}

[data-scene] p + p {
  margin-block-start: 12px;
}

[data-scene] p:last-child {
  color: var(--muted-text);
  font: 400 13px/1.7 var(--sans);
}

#lineage > [data-close-chapter] + p,
#lineage figure figcaption,
#lineage legend,
#lineage [data-result-count] {
  color: var(--muted-text);
  font: 400 13px/1.6 var(--sans);
}

#lineage > h2 {
  margin-block-start: 8px;
}

#lineage > h2 + p {
  max-inline-size: 36em;
  color: var(--muted-text);
}

#lineage form {
  display: flex;
  align-items: end;
  gap: 16px;
  margin-block: 40px 16px;
  border-block: 1px solid var(--line);
  padding-block: 12px;
  overflow-x: auto;
  scrollbar-color: var(--line) var(--paper);
}

#lineage fieldset {
  display: flex;
  flex: 0 0 auto;
  gap: 4px;
  border: 0;
  padding: 0;
}

#lineage legend {
  float: inline-start;
  inline-size: 100%;
  margin-block-end: 4px;
}

#lineage form button {
  flex: 0 0 auto;
  border-color: transparent;
  border-block-end-color: var(--line);
  white-space: nowrap;
}

#lineage form button:hover,
#lineage form button[aria-pressed="true"] {
  border-block-end-color: var(--moss);
  color: var(--moss);
  background: transparent;
}

#lineage [data-result-count] {
  flex: 0 0 min(220px, 70vw);
  margin-inline-start: auto;
}

#lineage figure {
  position: relative;
  min-block-size: 520px;
  border-block-end: 1px solid var(--line);
  overflow-x: auto;
}

#genealogy-graph {
  display: block;
  min-inline-size: 640px;
  inline-size: 100%;
  min-block-size: 520px;
  color: var(--moss);
  background: var(--paper);
  cursor: grab;
  touch-action: none;
  user-select: none;
}

#genealogy-graph:active {
  cursor: grabbing;
}

#genealogy-graph .relation,
[data-lineage-preview-graph] .preview-relation {
  fill: none;
  stroke: var(--moss-light);
  stroke-width: 1.2;
}

#genealogy-graph .relation--care,
[data-lineage-preview-graph] .preview-relation--care {
  stroke-dasharray: 8 4;
}

#genealogy-graph .relation--migration,
[data-lineage-preview-graph] .preview-relation--migration {
  stroke-dasharray: 2 5;
}

#genealogy-graph .relation--uncertain,
[data-lineage-preview-graph] .preview-relation--uncertain {
  stroke-dasharray: 1 7;
}

#genealogy-graph .node-hit-area {
  fill: transparent;
  stroke: transparent;
  pointer-events: all;
}

#genealogy-graph .node-mark,
[data-lineage-preview-graph] .preview-node {
  fill: var(--paper);
  stroke: var(--moss);
  stroke-width: 1.4;
}

#genealogy-graph [role="button"]:hover .node-mark {
  stroke-width: 2.2;
}

#genealogy-graph [aria-pressed="true"] .node-mark {
  fill: var(--moss);
  stroke: var(--moss);
}

#genealogy-graph [role="button"] {
  cursor: pointer;
}

#genealogy-graph [role="button"]:focus-visible .node-hit-area {
  fill: transparent;
  stroke: var(--moss);
  stroke-width: 2;
}

#genealogy-graph text,
[data-lineage-preview-graph] text {
  fill: var(--ink);
  font-family: var(--sans);
  font-size: 12px;
}

#genealogy-graph .node-kind,
[data-lineage-preview-graph] .node-kind {
  fill: var(--muted-text);
  font-size: 9px;
}

#lineage figcaption {
  position: absolute;
  inset-block-end: 12px;
  inset-inline-start: 12px;
}

[data-graph-legend] {
  position: absolute;
  inset-block-start: 12px;
  inset-inline-end: 12px;
  display: grid;
  gap: 4px;
  margin: 0;
  border: 1px solid var(--line);
  padding: 8px;
  color: var(--muted-text);
  background: var(--paper);
  font: 400 12px/1.5 var(--sans);
  list-style: none;
}

[data-graph-legend] li {
  display: flex;
  align-items: center;
  gap: 8px;
}

[data-graph-legend] li > span:first-child {
  inline-size: 28px;
  border-block-start: 1px solid var(--moss);
}

[data-graph-legend] [data-relation-type="care"] > span:first-child {
  border-block-start-style: dashed;
}

[data-graph-legend] [data-relation-type="migration"] > span:first-child {
  border-block-start-style: dotted;
}

[data-graph-legend] [data-relation-type="uncertain"] > span:first-child {
  border-block-start-style: dotted;
  border-block-start-color: var(--moss-light);
}

[data-genealogy-list] {
  display: grid;
  grid-template-columns: 180px minmax(0, 1fr);
  gap: 28px;
  border-block-end: 1px solid var(--line);
  padding-block: 32px;
}

[data-genealogy-list] p {
  color: var(--muted-text);
}

[data-genealogy-list] ul {
  margin-block-start: 12px;
  padding: 0;
  list-style: none;
}

[data-genealogy-list] li + li {
  margin-block-start: 4px;
}

[data-genealogy-list] button {
  inline-size: 100%;
  text-align: start;
}

#timeline article {
  margin-inline-start: 8px;
  border-inline-start: 1px solid var(--line);
  padding: 0 0 48px 28px;
}

#timeline article + article {
  padding-block-start: 8px;
}

#timeline article::before {
  content: none;
}

#timeline h3 {
  margin-block-end: 16px;
}

#timeline dl,
#timeline ul {
  display: grid;
  grid-template-columns: minmax(120px, 180px) minmax(0, 1fr);
  gap: 4px 24px;
  padding: 0;
}

#timeline dt,
#timeline li::marker {
  color: var(--muted-text);
}

#timeline dt {
  font: 400 13px/1.9 var(--sans);
}

#timeline dd {
  margin: 0;
}

#timeline dd:nth-of-type(2) {
  font-family: var(--mono);
  font-size: 13px;
}

#timeline li {
  border-block-end: 1px solid var(--line);
  padding-block: 4px;
}

#timeline article p {
  max-inline-size: 38em;
  margin-block-start: 20px;
  color: var(--muted-text);
}

#places {
  min-block-size: 60svh;
}

#places::after {
  content: none;
}

#places > p:not([data-chapter-status]) {
  max-inline-size: 38em;
}

#places h2 + [data-chapter-status] + p {
  margin-block: 24px 12px;
  border-inline-start: 2px solid var(--moss-light);
  padding-inline-start: 20px;
  font-size: 17px;
  line-height: 1.7;
}

#places p:last-child {
  color: var(--muted-text);
}

#rules > article {
  display: grid;
  grid-template-columns: 140px minmax(0, 1fr);
  gap: 28px;
  border-block-start: 1px solid var(--line);
  padding-block: 32px 48px;
}

[data-rules-list] {
  border-block-end: 1px solid var(--line);
}

[data-rule-item] {
  border-block-start: 1px solid var(--line);
}

[data-rule-item][open] {
  background: var(--paper-alt);
}

[data-rule-item] summary {
  display: grid;
  grid-template-columns: minmax(120px, 180px) minmax(0, 1fr);
  gap: 20px;
  align-items: center;
  min-block-size: 56px;
  padding-block: 16px;
  font: 400 13px/1.6 var(--sans);
  cursor: pointer;
}

[data-rule-item] summary span:first-child {
  color: var(--ink);
  font-weight: 500;
}

[data-rule-item] summary span:last-child {
  color: var(--muted-text);
}

[data-rule-item]::details-content {
  block-size: 0;
  overflow: hidden;
  transition: block-size 250ms ease-in-out, content-visibility 250ms allow-discrete;
}

[data-rule-item][open]::details-content {
  block-size: auto;
}

[data-rule-item] p {
  padding: 0 20px 16px;
}

#rules ol,
#rules dl {
  margin: 0;
  padding: 0;
}

#rules dl {
  display: grid;
  grid-template-columns: minmax(140px, 1fr) 2fr;
}

#rules dt,
#rules dd {
  margin: 0;
  border-block-end: 1px solid var(--line);
  padding-block: 10px;
}

#rules dt {
  color: var(--muted-text);
  font: 400 13px/1.9 var(--sans);
}

#rules dd {
  color: var(--stamp);
}

#about > p {
  max-inline-size: 38em;
}

#about > p + p {
  margin-block-start: 12px;
}

#about > p:nth-of-type(4) {
  color: var(--stamp);
}

#about > p:nth-of-type(5) {
  margin-block: 28px;
  border-inline-start: 2px solid var(--moss-light);
  padding-inline-start: 20px;
  font-size: 17px;
  line-height: 1.7;
}

footer {
  display: flex;
  align-items: center;
  gap: 24px;
  border-block-start: 1px solid var(--line);
  padding-block: 20px;
  color: var(--muted-text);
  font: 400 13px/1.6 var(--sans);
}

footer a {
  display: inline-flex;
  align-items: center;
  min-block-size: 44px;
  margin-inline-start: auto;
}

#record-dialog {
  position: static;
  inline-size: min(calc(100% - 48px), var(--page-measure));
  max-inline-size: none;
  margin: 64px auto;
  border: 1px solid var(--line);
  border-radius: 0;
  padding: 32px;
  color: var(--ink);
  background: var(--paper-alt);
}

html.js body[data-app-ready="true"] #record-dialog {
  position: fixed;
  z-index: 50;
  inset-block: 0;
  inset-inline-start: auto;
  inset-inline-end: 0;
  inline-size: min(420px, 92vw);
  block-size: 100dvh;
  max-block-size: 100dvh;
  margin: 0;
  border: 0;
  border-inline-start: 1px solid var(--line);
  overflow-y: auto;
}

html.js body[data-app-ready="true"] #record-dialog[open] {
  animation: archive-arrival 220ms ease-out both;
}

#record-dialog::backdrop {
  background: rgb(43 42 37 / 56%);
}

@keyframes archive-arrival {
  from {
    opacity: 0;
    transform: translateX(16px);
  }

  to {
    opacity: 1;
    transform: translateX(0);
  }
}

#record-dialog h2 {
  margin-block: 8px 28px;
  padding-inline-end: 48px;
  font-size: 22px;
  font-weight: 500;
  line-height: 1.5;
}

#record-dialog [data-close-dialog] {
  display: none;
}

html.js body[data-app-ready="true"] #record-dialog [data-close-dialog] {
  position: absolute;
  inset-block-start: 12px;
  inset-inline-end: 12px;
  display: inline-flex;
}

#record-dialog [data-close-dialog]:hover {
  border-color: var(--stamp);
  color: var(--stamp);
}

#record-dialog > p:first-of-type {
  margin-block-end: 20px;
  color: var(--ink);
  font: 400 13px/1.6 var(--sans);
}

#record-dialog dl {
  display: grid;
  grid-template-columns: minmax(96px, 120px) minmax(0, 1fr);
}

#record-dialog dt,
#record-dialog dd {
  margin: 0;
  border-block-end: 1px solid var(--line);
  padding-block: 8px;
}

#record-dialog dt {
  color: var(--muted-text);
  font: 400 13px/1.9 var(--sans);
}

#record-dialog dd {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  color: var(--stamp);
}

#record-dialog [data-field-status] {
  flex: 0 0 auto;
}

#record-dialog [data-field="recordedAt"] {
  font-size: 13px;
}

#record-dialog dl ~ p {
  margin-block-start: 16px;
  color: var(--muted-text);
  font: 400 13px/1.7 var(--sans);
}

#record-dialog dl ~ p [data-field-status] {
  margin-inline-start: 8px;
}

@media (max-width: 960px) {
  [data-scene],
  [data-genealogy-list],
  #rules > article {
    grid-template-columns: 1fr;
  }

  [data-scene] p {
    grid-column: 1;
  }

  #lineage form {
    align-items: stretch;
  }

  #lineage [data-result-count] {
    margin-inline-start: 0;
  }
}

@media (max-width: 640px) {
  :root {
    --page-inset-start: 28px;
    --page-inset-end: 20px;
    --reader-header-size: 132px;
  }

  [data-site-header] {
    grid-template-columns: 1fr;
    align-content: center;
  }

  [data-home-link] {
    justify-self: start;
  }

  [data-home-link] > span {
    display: none;
  }

  [data-home-link] h1 {
    margin-block-start: 0;
  }

  [data-site-header] nav {
    inline-size: 100%;
    overflow-x: auto;
    scrollbar-width: thin;
  }

  [data-site-header] nav ul {
    justify-content: flex-start;
  }

  [data-project-cover] {
    padding-block-start: calc(var(--reader-header-size) + 64px);
    padding-block-end: 56px;
  }

  [data-project-cover] h2 {
    max-inline-size: none;
    font-size: 28px;
    line-height: 1.45;
  }

  [data-project-cover] h2 span {
    white-space: normal;
  }

  .cover-meta {
    display: grid;
    gap: 10px;
  }

  .cover-opening {
    margin-block-start: 56px;
    padding-block: 40px 48px;
  }

  [data-chapter-directory] {
    padding-block: 48px;
  }

  [data-chapter-directory-link] {
    grid-template-columns: 32px minmax(0, 1fr);
    gap: 12px;
  }

  [data-chapter-number] {
    grid-row: 1 / span 2;
  }

  [data-chapter-heading] {
    grid-column: 2;
  }

  [data-chapter-summary] {
    grid-column: 2;
  }

  [data-lineage-preview] {
    margin-block-start: 56px;
  }

  html.js main > [data-chapter][data-active-chapter="true"] {
    padding-block: 56px calc(64px + env(safe-area-inset-bottom));
    padding-inline: var(--page-inset-start) var(--page-inset-end);
  }

  [data-scene] {
    display: block;
    padding-block: 24px 32px;
  }

  [data-scene] h3 {
    margin-block-end: 12px;
  }

  #lineage form {
    flex-wrap: nowrap;
  }

  #lineage [data-result-count] {
    flex-basis: 200px;
  }

  #lineage figure,
  #genealogy-graph {
    min-block-size: 460px;
  }

  #timeline dl,
  #timeline ul,
  [data-rule-item] summary,
  #rules dl {
    grid-template-columns: 1fr;
  }

  #timeline article {
    padding-inline-start: 20px;
  }

  [data-rule-item] summary {
    gap: 4px;
  }

  #rules dt {
    border-block-end: 0;
    padding-block-end: 0;
  }

  #rules dd {
    padding-block-start: 2px;
  }

  #record-dialog {
    inline-size: calc(100% - 40px);
    padding: 24px 20px;
  }

  html.js body[data-app-ready="true"] #record-dialog {
    inset-block-start: auto;
    inset-block-end: 0;
    inline-size: 100%;
    block-size: auto;
    max-block-size: 88dvh;
    border-block-start: 1px solid var(--line);
    border-inline-start: 0;
    padding: 24px 20px calc(24px + env(safe-area-inset-bottom));
  }

  html.js body[data-app-ready="true"] #record-dialog[open] {
    animation-name: archive-arrival-mobile;
  }

  @keyframes archive-arrival-mobile {
    from {
      opacity: 0;
      transform: translateY(16px);
    }

    to {
      opacity: 1;
      transform: translateY(0);
    }
  }

  #record-dialog dl {
    grid-template-columns: 88px minmax(0, 1fr);
  }

  footer {
    flex-wrap: wrap;
    gap: 4px 16px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  [data-rule-item]::details-content {
    transition-duration: 0.01ms !important;
  }
}

@media (forced-colors: active) {
  button,
  [data-scroll-edge],
  [data-site-header],
  [data-site-header] nav a,
  [data-close-chapter],
  [data-status-mark],
  [data-chapter-directory],
  [data-rule-item],
  #genealogy-graph .node-mark,
  #genealogy-graph .relation,
  #timeline article,
  #record-dialog {
    border-color: CanvasText;
    stroke: CanvasText;
    forced-color-adjust: auto;
  }

  :focus-visible {
    outline: 2px solid Highlight;
    outline-offset: 2px;
  }
}