/* Editorial foundation. Each article owns its scene, reading order and labels. */
.k-library *,
.k-article * {
  min-width: 0;
}
.k-library p,
.k-article p {
  color: var(--muted);
}
.k-library [hidden],
.k-article [hidden] {
  display: none !important;
}
.k-library h2,
.k-article h2 {
  font-weight: 500;
}
.k-library-hero {
  background:
    radial-gradient(ellipse at 100% 0, var(--accent-soft), transparent 66%),
    var(--accent);
  padding-top: 64px;
  color: var(--on-accent);
}
.k-library-opening {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  align-items: center;
  gap: 100px;
}
.k-library-opening h1 {
  font-size: clamp(2.8rem, 4.5vw, 4.4rem);
  margin: 28px 0;
}
.k-library-opening > div > p {
  color: var(--on-accent);
  max-width: 480px;
  margin-bottom: 28px;
}
.k-library-opening .button {
  background: var(--surface);
  color: var(--ink);
  border-color: var(--surface);
}
.k-feature {
  display: block;
  background: var(--panel-dark);
  padding: 32px;
  border-radius: 8px;
  color: var(--on-dark);
  text-decoration: none;
  transform: rotate(2deg);
  box-shadow: 0 26px 50px -28px var(--ink);
  transition: transform 0.2s;
}
.k-feature:hover {
  transform: rotate(0deg);
}
.k-feature-title {
  display: block;
  font-size: 1.8rem;
  line-height: 1.25;
  font-weight: 500;
  letter-spacing: -0.05em;
  margin: 24px 0;
}
.k-feature-numbers {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  padding: 20px 0;
  border-top: 1px solid var(--line-on-dark);
}
.k-feature-numbers div {
  display: grid;
  gap: 7px;
}
.k-feature-numbers span {
  font-size: 0.65rem;
  color: var(--muted-on-dark);
}
.k-feature-numbers strong {
  font-size: 1.25rem;
  font-weight: 500;
}
.k-feature-gap {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  background: var(--surface-tint);
  color: var(--ink);
  padding: 18px;
  border-radius: 4px;
}
.k-feature-gap > strong {
  font-size: 2.3rem;
  font-weight: 500;
  letter-spacing: -0.05em;
}
.k-feature-gap > span {
  font-size: 0.7rem;
}
.k-feature-link {
  display: flex;
  justify-content: space-between;
  padding-top: 24px;
  font-size: 0.85rem;
}
.k-feature > small {
  display: block;
  font-size: 0.6rem;
  color: var(--muted-on-dark);
  padding-top: 16px;
}
.k-library-foot {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  border-top: 1px solid var(--line-on-dark);
  margin-top: 56px;
  padding-top: 22px;
  padding-bottom: 22px;
  font-size: 0.7rem;
}
.k-topic-nav {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  padding-top: 44px;
  padding-bottom: 44px;
}
.k-topic-nav a {
  border-left: 1px solid var(--line);
  padding: 0 24px;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 16px 10px;
  text-decoration: none;
}
.k-topic-nav a:first-child {
  border: 0;
  padding-left: 0;
}
.k-topic-nav a > span:first-child {
  grid-column: 1/-1;
  color: var(--accent-ink);
  font-size: 0.7rem;
}
.k-topic-nav strong {
  font-weight: 500;
  font-size: 0.9rem;
}
.k-topic-nav a:hover strong {
  text-decoration: underline;
  text-underline-offset: 4px;
}
.k-library-directory {
  padding-top: 64px;
  padding-bottom: 64px;
}
.k-find-heading h2 {
  margin: 18px 0 28px;
}
.k-library-directory .search-form {
  max-width: 760px;
}
.k-library-directory .search-input {
  background: var(--surface);
}
.k-library-directory .filter-chips {
  margin-top: 24px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.k-library-directory .filter-chips button {
  white-space: normal;
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 10px 14px;
}
.k-library-directory .filter-chips button.active {
  background: var(--ink);
  color: var(--on-dark);
  border-color: var(--ink);
}
.k-library-directory #search-status {
  margin: 20px 0 40px;
  font-size: 0.8rem;
}
.k-library .k-topic {
  display: grid;
  grid-template-columns: 0.65fr 2fr;
  gap: 64px;
  padding: 52px 0;
  border-top: 1px solid var(--line-strong);
  scroll-margin-top: 120px;
}
.k-topic-intro h2 {
  font-size: 1.7rem;
  margin: 20px 0;
}
.k-topic-intro p {
  font-size: 1rem;
  color: var(--ink);
}
.k-topic-intro small {
  display: block;
  font-size: 0.8rem;
  line-height: 1.8;
  color: var(--muted);
  margin-top: 12px;
}
.k-article-index {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0 36px;
}
.k-article-index article {
  display: flex;
  border-top: 1px solid var(--line);
}
.k-article-index article:nth-child(-n + 2) {
  border-top: 0;
}
.k-article-index a {
  display: flex;
  flex-direction: column;
  width: 100%;
  text-decoration: none;
  padding: 24px 0 26px;
}
.k-index-format {
  color: var(--accent-ink);
  font-size: 0.65rem;
  letter-spacing: 0.06em;
}
.k-article-index h3 {
  font-size: 1.25rem;
  margin: 16px 0 12px;
  line-height: 1.35;
}
.k-article-index a:hover h3 {
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 4px;
}
.k-article-index p {
  font-size: 0.85rem;
  line-height: 1.7;
  margin: 0 0 22px;
}
.k-index-read {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.72rem;
  margin-top: auto;
}
.k-library-close {
  background: var(--panel-dark);
  color: var(--on-dark);
  padding: 64px 0;
}
.k-library-close > div {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 100px;
  align-items: end;
}
.k-library-close h2 {
  font-size: clamp(2rem, 3vw, 3rem);
  margin: 20px 0 0;
}
.k-library-close p {
  color: var(--muted-on-dark);
}
.k-library-close .px-link {
  color: var(--on-dark);
}
/* Reading pages: wide explanatory opening, then a calm reading column. */
.k-hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 70px;
  align-items: center;
  padding-top: 48px;
  padding-bottom: 64px;
}
.k-article .k-hero h1 {
  font-size: clamp(2.6rem, 3.9vw, 4rem);
  line-height: 1.1;
  margin: 25px 0;
}
.k-hero-copy > p {
  max-width: 510px;
  font-size: 1rem;
  line-height: 1.85;
}
.k-hero-copy > .px-link {
  margin-top: 8px;
}
.k-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
  font-size: 0.65rem;
  color: var(--muted);
  margin-top: 30px;
}
.k-visual {
  margin: 0;
}
.k-visual-stage {
  background: var(--surface-tint);
  padding: 34px;
  border-radius: 6px;
}
.k-visual figcaption {
  font-size: 0.7rem;
  line-height: 1.7;
  color: var(--muted);
  padding: 14px 6px 0;
}
.k-visual figcaption > span {
  display: block;
  margin-top: 6px;
  font-size: 0.6rem;
}
.k-article .article-answer {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 60px;
  max-width: 1180px;
  padding: 32px 0;
  margin: 0 auto;
  background: transparent;
  border: 0;
  border-top: 1px solid var(--line-strong);
  border-bottom: 1px solid var(--line);
  border-radius: 0;
}
.k-answer > .brand-kicker {
  padding-top: 6px;
  color: var(--accent-ink);
}
.k-article .k-answer h2 {
  font-size: 1.55rem;
  margin: 0 0 14px;
}
.k-answer p {
  margin: 0;
  max-width: 760px;
  font-size: 1rem;
}
.k-reader {
  display: grid;
  grid-template-columns: 220px minmax(0, 760px);
  justify-content: space-between;
  gap: 60px;
  padding-top: 64px;
  padding-bottom: 64px;
}
.k-article .k-aside {
  position: sticky;
  top: 116px;
  align-self: start;
  padding: 0;
}
.k-aside > .brand-kicker {
  display: block;
  margin-bottom: 20px;
}
.k-aside > a {
  font-size: 0.8rem;
  padding: 14px 0;
  display: block;
  border-bottom: 1px solid var(--line);
  text-decoration: none;
}
.k-aside > a:hover {
  color: var(--accent-ink);
}
.k-aside .aside-note {
  background: none;
  border-top: 2px solid var(--accent);
  padding: 18px 0;
  margin-top: 24px;
}
.k-aside .aside-note a {
  font-size: 0.8rem;
  display: block;
  line-height: 1.8;
}
.k-content > section {
  margin-bottom: 56px;
  scroll-margin-top: 120px;
}
.k-content h2 {
  font-size: clamp(1.7rem, 2.4vw, 2.3rem);
  line-height: 1.2;
  margin: 16px 0 22px;
}
.k-content p {
  line-height: 1.9;
  font-size: 1rem;
  margin: 0;
}
.k-article .k-case {
  padding: 30px 34px;
  background: var(--surface);
  border-left: 3px solid var(--accent);
}
.k-case .brand-kicker {
  color: var(--accent-ink);
}
.k-article .article-checklist {
  background: transparent;
  border: 0;
  padding: 0;
}
.k-article .article-checklist label {
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
  font-size: 0.95rem;
  align-items: flex-start;
}
.k-article .article-checklist input {
  margin-top: 4px;
  flex-shrink: 0;
  accent-color: var(--accent-ink);
}
.k-article .article-checklist .checklist-status {
  font-size: 0.75rem;
  color: var(--muted);
  padding-bottom: 16px;
}
.k-article .article-checklist button {
  margin: 20px 0 12px;
}
.k-article .article-checklist small {
  color: var(--muted);
  font-size: 0.7rem;
}
.k-article .k-attention {
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 16px;
  padding: 28px 0;
  border-top: 1px solid var(--line-strong);
  border-bottom: 1px solid var(--line);
}
.k-attention > span {
  font-size: 2rem;
  color: var(--accent-ink);
  line-height: 1.3;
}
.k-content .k-attention h2 {
  font-size: 1.3rem;
  margin: 0 0 14px;
}
.k-download {
  margin-top: 24px;
}
.k-download .table-scroll {
  background: var(--paper);
  margin-bottom: 24px;
}
.k-download th,
.k-download td {
  font-size: 0.8rem;
  padding: 12px;
}
.k-download > small {
  display: block;
  font-size: 0.7rem;
  color: var(--muted);
  margin-top: 12px;
}
.k-sources {
  border-top: 1px solid var(--line);
  padding-top: 26px;
}
.k-content .k-sources h2 {
  font-size: 1.3rem;
}
.k-content .k-sources p,
.k-sources li {
  font-size: 0.85rem;
}
.k-sources ul {
  padding-left: 18px;
}
.k-sources li {
  padding: 8px 0;
  overflow-wrap: anywhere;
}
.k-content .k-editorial-note {
  font-size: 0.75rem;
  border-top: 1px solid var(--line);
  padding-top: 24px;
  margin-bottom: 36px;
}
.k-article .k-next-reading {
  background: var(--surface-tint);
  padding: 28px;
  margin-bottom: 24px;
}
.k-next-reading > .brand-kicker {
  display: block;
  margin-bottom: 12px;
  color: var(--accent-ink);
}
.k-next-reading .context-link a {
  font-weight: 600;
  color: var(--ink);
}
.k-product-note .article-product-link {
  background: none;
  border: 0;
  padding: 0;
  font-size: 0.8rem;
}
.px-reading .related {
  padding-top: 0;
  padding-bottom: 64px;
}
.px-reading .related h2 {
  font-size: 1.7rem;
}
/* Paper, figures and source connections used in individually authored scenes. */
.k-paper {
  background: var(--surface);
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: 5px;
  padding: 25px;
  box-shadow: 0 16px 32px -28px var(--ink);
}
.k-paper-label {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  color: var(--muted);
  font-size: 0.6rem;
  letter-spacing: 0.08em;
  padding-bottom: 24px;
}
.k-paper-label > span:last-child {
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: -0.06em;
  color: var(--accent-ink);
}
.k-value-line {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 18px;
  padding: 16px 0;
  border-top: 1px solid var(--line);
  font-size: 0.78rem;
}
.k-value-line strong {
  font-size: 0.9rem;
  font-weight: 600;
  text-align: right;
}
.k-value-line.total {
  background: var(--ink);
  color: var(--on-dark);
  padding: 20px 16px;
  margin: 14px -8px 0;
  border: 0;
}
.k-value-line.total strong {
  font-size: 1.3rem;
}
.k-value-line.plus > span,
.k-value-line.minus > span {
  color: var(--accent-ink);
}
.k-badge {
  display: inline-block;
  border: 1px solid var(--line);
  padding: 5px 8px;
  border-radius: 4px;
  font-size: 0.62rem;
  line-height: 1.5;
  color: var(--ink);
  background: var(--surface);
}
.k-badge.attention {
  background: var(--surface-tint);
  border-color: var(--accent-soft);
  color: var(--accent-ink);
}
.k-badge.dark {
  background: var(--ink);
  color: var(--on-dark);
  border-color: var(--ink);
}
.k-article .k-drawing-note {
  font-size: 0.68rem;
  line-height: 1.65;
  margin: 18px 0 0;
}
.k-bars > div {
  margin: 0 0 22px;
}
.k-bars > div > div {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 16px;
  font-size: 0.7rem;
}
.k-bars strong {
  font-size: 1.2rem;
  font-weight: 500;
}
.k-bars i {
  display: block;
  height: 12px;
  background: var(--ink);
  margin-top: 12px;
}
.k-bars > div:nth-child(2) i {
  background: var(--accent);
}
.k-reconcile-gap {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 12px;
  align-items: center;
  border-top: 1px solid var(--line);
  padding: 20px 0;
}
.k-reconcile-gap > span:first-child {
  font-size: 0.75rem;
}
.k-reconcile-gap > strong {
  font-size: 2.6rem;
  font-weight: 500;
  letter-spacing: -0.05em;
}
.k-reconcile-gap .k-badge {
  justify-self: start;
}
.k-periods {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border: 1px solid var(--line);
}
.k-periods > span {
  padding: 12px 6px;
  font-size: 0.65rem;
  text-align: center;
}
.k-periods b {
  display: block;
  margin-top: 8px;
  font-weight: 500;
}
.k-periods .is-marked {
  background: var(--surface-tint);
  color: var(--accent-ink);
}
.k-margin-note {
  display: flex;
  align-items: center;
  gap: 16px;
  padding-top: 20px;
}
.k-margin-note > span {
  font-size: 2rem;
  color: var(--accent-ink);
}
.k-margin-note p {
  font-size: 0.75rem;
  margin: 0;
}
.k-margin-note strong {
  color: var(--accent-ink);
}
.k-fields {
  margin: 0;
}
.k-fields > div {
  border-top: 1px solid var(--line);
  display: grid;
  grid-template-columns: 0.8fr 1.3fr;
  gap: 20px;
  padding: 14px 0;
  font-size: 0.75rem;
}
.k-fields dt {
  color: var(--muted);
}
.k-fields dd {
  margin: 0;
  overflow-wrap: anywhere;
}
.k-document {
  padding: 20px;
  border: 1px solid var(--line);
  background: var(--surface);
  border-radius: 4px;
  display: grid;
  gap: 14px;
}
.k-file-type {
  color: var(--accent-ink);
  font-size: 0.65rem;
  letter-spacing: 0.06em;
}
.k-document strong {
  font-size: 1rem;
  font-weight: 500;
  letter-spacing: -0.025em;
}
.k-document small {
  font-size: 0.65rem;
  color: var(--muted);
  line-height: 1.7;
}
.k-map-source {
  display: flex;
  align-items: center;
  gap: 18px;
  padding-bottom: 20px;
}
.k-map-source .k-document {
  flex: 1;
}
.k-drawing-arrow {
  font-size: 2rem;
  color: var(--accent-ink);
}
.k-review-question {
  border-left: 2px solid var(--accent);
  margin-top: 20px;
  padding: 14px;
  background: var(--paper);
}
.k-review-question strong {
  display: block;
  font-size: 0.9rem;
  font-weight: 500;
  margin-top: 14px;
}
.k-reveal {
  margin-top: 22px;
  border-top: 1px solid var(--line);
}
.k-reveal summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 0;
  font-size: 0.75rem;
  cursor: pointer;
  list-style: none;
  overflow-wrap: anywhere;
}
.k-reveal summary::-webkit-details-marker {
  display: none;
}
.k-reveal summary > span {
  color: var(--accent-ink);
  flex: none;
}
.k-reveal[open] summary > span {
  font-size: 0;
}
.k-reveal[open] summary > span::after {
  content: "−";
  font-size: 0.9rem;
}
.k-article .k-reveal p {
  font-size: 0.75rem;
  margin: 0;
}
.k-folder-tab {
  display: block;
  background: var(--ink);
  color: var(--on-dark);
  padding: 12px 18px;
  border-radius: 6px 6px 0 0;
  font-size: 0.6rem;
  letter-spacing: 0.08em;
  width: fit-content;
  max-width: 100%;
}
.k-months {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 6px;
  margin-top: 20px;
}
.k-months span {
  background: var(--surface-soft);
  padding: 10px 0;
  text-align: center;
  font-size: 0.7rem;
}
.k-months .is-missing {
  border: 1px dashed var(--accent-ink);
  background: var(--surface-tint);
  color: var(--accent-ink);
}
.k-count-compare {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-bottom: 24px;
}
.k-count-compare > div {
  display: grid;
  gap: 8px;
}
.k-count-compare span {
  font-size: 0.7rem;
}
.k-count-compare strong {
  font-size: 4rem;
  font-weight: 500;
  letter-spacing: -0.065em;
}
.k-count-compare small {
  font-size: 0.65rem;
  color: var(--muted);
}
.k-import-gap {
  display: flex;
  align-items: center;
  gap: 20px;
  background: var(--ink);
  color: var(--on-dark);
  padding: 20px;
  margin-bottom: 24px;
  border-radius: 4px;
}
.k-import-gap > span {
  font-size: 2rem;
  color: var(--accent-soft);
}
.k-import-gap strong {
  font-size: 0.85rem;
  font-weight: 500;
}
.k-article .k-import-gap p {
  color: var(--muted-on-dark);
  font-size: 0.7rem;
  margin: 8px 0 0;
}
.k-waterfall {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  height: 235px;
  align-items: end;
}
.k-waterfall > div {
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  height: 100%;
}
.k-waterfall span {
  font-size: 0.55rem;
  line-height: 1.6;
}
.k-waterfall strong {
  font-size: 0.8rem;
  padding: 6px 0 12px;
}
.k-waterfall i {
  display: block;
  background: var(--ink);
}
.k-waterfall .is-change i {
  background: var(--accent);
  margin-bottom: 100px;
}
.k-waterfall .is-negative i {
  background: var(--accent-ink);
}
.k-common-key {
  text-align: center;
  font-size: 0.8rem;
  padding: 22px;
  border: 1px solid var(--line-strong);
  border-radius: 80px;
  margin: 0 auto 30px;
  background: var(--surface);
}
.k-common-key strong {
  display: block;
  margin-top: 8px;
}
.k-three-sources {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-bottom: 26px;
}
.k-three-sources .k-document {
  padding: 16px 12px;
  position: relative;
}
.k-three-sources .k-document::before {
  content: "";
  width: 1px;
  height: 30px;
  position: absolute;
  top: -30px;
  left: 50%;
  background: var(--line-strong);
}
/* Each reading family has a deliberate opening rhythm; scenes remain page-specific. */
.k-layout-ledger .k-paper {
  transform: rotate(-1.5deg);
}
.k-layout-mapping .k-visual-stage {
  background: var(--surface-soft);
}
.k-layout-file .k-visual-stage {
  background: var(--panel-dark);
}
.k-layout-file .k-folder-tab {
  background: var(--accent);
}
.k-layout-file .k-visual figcaption {
  color: var(--muted);
}
.k-layout-compare .k-visual-stage {
  border-top: 2px solid var(--accent);
  border-radius: 0;
}
.k-layout-timeline .k-visual-stage {
  background: var(--panel-dark);
  color: var(--on-dark);
}
.k-layout-notebook .k-visual-stage {
  background:
    linear-gradient(
      90deg,
      transparent 31px,
      var(--accent-soft) 31px,
      var(--accent-soft) 32px,
      transparent 32px
    ),
    var(--surface);
  border: 1px solid var(--line);
  padding-left: 48px;
}
@media (max-width: 1100px) {
  .k-hero,
  .k-library-opening {
    gap: 40px;
  }
  .k-visual-stage {
    padding: 24px;
  }
  .k-reader,
  .k-article .article-answer {
    grid-template-columns: 180px minmax(0, 1fr);
    gap: 40px;
  }
  .k-library .k-topic {
    grid-template-columns: 0.65fr 2fr;
    gap: 36px;
  }
  .k-topic-nav a {
    padding: 0 14px;
  }
  .k-waterfall {
    gap: 8px;
  }
}
@media (max-width: 850px) {
  .k-hero,
  .k-library-opening {
    grid-template-columns: 1fr;
    gap: 36px;
  }
  .k-library-opening {
    max-width: 700px;
  }
  .k-hero-copy {
    max-width: 660px;
  }
  .k-hero .k-visual {
    width: 100%;
    max-width: 620px;
    margin: 0 auto;
  }
  .k-feature {
    max-width: 520px;
    width: 100%;
    justify-self: center;
  }
  .k-topic-nav {
    grid-template-columns: repeat(3, 1fr);
    gap: 24px 0;
  }
  .k-topic-nav a:nth-child(4) {
    border: 0;
    padding-left: 0;
  }
  .k-library .k-topic {
    grid-template-columns: 1fr;
  }
  .k-topic-intro {
    max-width: 540px;
  }
  .k-topic-intro small {
    display: none;
  }
  .k-article .article-answer {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .k-reader {
    grid-template-columns: 1fr;
    gap: 36px;
  }
  .k-article .k-aside {
    position: static;
    display: flex;
    flex-wrap: wrap;
    gap: 0 24px;
  }
  .k-aside > .brand-kicker {
    width: 100%;
    margin: 0;
  }
  .k-aside .aside-note {
    width: 100%;
    margin: 12px 0 0;
    padding: 12px 0 0;
    border-top: 0;
  }
  .k-aside > a {
    padding: 12px 0;
  }
  .k-library-close > div {
    grid-template-columns: 1fr;
    gap: 28px;
  }
}
@media (max-width: 540px) {
  .k-library-hero {
    padding-top: 36px;
  }
  .k-library-opening h1 {
    font-size: clamp(2.4rem, 9vw, 3.2rem);
  }
  .k-library-opening > div > p {
    font-size: 0.95rem;
  }
  .k-feature {
    transform: none;
    padding: 24px;
  }
  .k-library-foot {
    flex-direction: column;
    gap: 10px;
    margin-top: 36px;
  }
  .k-topic-nav {
    grid-template-columns: 1fr 1fr;
    padding-top: 28px;
    padding-bottom: 28px;
  }
  .k-topic-nav a:nth-child(4) {
    border-left: 1px solid var(--line);
    padding-left: 14px;
  }
  .k-topic-nav a:nth-child(odd) {
    border: 0;
    padding-left: 0;
  }
  .k-topic-nav strong {
    font-size: 0.8rem;
  }
  .k-library-directory {
    padding-top: 36px;
  }
  .k-library-directory .filter-chips button {
    font-size: 0.75rem;
  }
  .k-library .k-topic {
    padding: 36px 0;
    gap: 12px;
  }
  .k-article-index {
    grid-template-columns: 1fr;
  }
  .k-article-index article:nth-child(2) {
    border-top: 1px solid var(--line);
  }
  .k-article-index h3 {
    font-size: 1.4rem;
  }
  .k-hero {
    padding-top: 28px;
    padding-bottom: 36px;
  }
  .k-article .k-hero h1 {
    font-size: clamp(2.25rem, 8.6vw, 3rem);
    overflow-wrap: anywhere;
  }
  .k-hero-copy > p {
    font-size: 0.95rem;
  }
  .k-visual-stage {
    padding: 18px;
  }
  .k-paper {
    padding: 20px 16px;
  }
  .k-layout-ledger .k-paper {
    transform: none;
  }
  .k-reader {
    padding-top: 32px;
    padding-bottom: 36px;
  }
  .k-content > section {
    margin-bottom: 40px;
  }
  .k-content h2 {
    font-size: 1.75rem;
  }
  .k-article .k-case {
    padding: 24px 20px;
  }
  .k-content p {
    font-size: 0.95rem;
  }
  .k-article .article-checklist label {
    font-size: 0.9rem;
  }
  .k-article .k-next-reading {
    padding: 24px 20px;
  }
  .k-fields > div {
    gap: 14px;
  }
  .k-value-line {
    flex-wrap: wrap;
    gap: 6px 14px;
  }
  .k-value-line strong {
    margin-left: auto;
  }
  .k-three-sources {
    gap: 6px;
  }
  .k-three-sources .k-document {
    padding: 12px 8px;
  }
  .k-three-sources .k-document strong {
    font-size: 0.8rem;
  }
  .k-count-compare strong {
    font-size: clamp(2.8rem, 12vw, 4rem);
  }
  .k-waterfall {
    height: auto;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
  }
  .k-waterfall > div {
    min-height: 110px;
  }
  .k-waterfall i {
    height: 18px;
  }
  .k-waterfall .is-change i {
    margin-bottom: 0;
    height: 8px;
  }
  .k-layout-notebook .k-visual-stage {
    padding-left: 32px;
    background-position-x: -12px;
  }
}
@media (prefers-reduced-motion: reduce) {
  .k-feature {
    transition: none;
  }
}

/* Intake, partner comparison and preparation: twelve distinct working scenes. */
.k-hand-label {
  display: block;
  color: var(--accent-ink);
  font-size: 0.63rem;
  letter-spacing: 0.06em;
  margin-bottom: 14px;
}
.k-intake-question {
  padding: 12px 0 24px;
}
.k-intake-question > strong {
  font-size: 1.7rem;
  font-weight: 500;
  line-height: 1.25;
  letter-spacing: -0.04em;
}
.k-intake-topics {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 28px;
}
.k-intake-topics > span {
  border: 1px solid var(--line);
  padding: 8px 10px;
  font-size: 0.7rem;
  border-radius: 4px;
}
.k-intake-topics .is-marked {
  background: var(--surface-tint);
  border-color: var(--accent);
  color: var(--accent-ink);
}
.k-request-line {
  margin-top: 24px;
  display: grid;
  gap: 10px;
}
.k-request-line strong {
  font-size: 1rem;
  font-weight: 500;
}
.k-request-line span {
  font-size: 0.75rem;
  line-height: 1.7;
  color: var(--muted);
}
.k-partners {
  display: grid;
  grid-template-columns: 1fr 24px 1fr;
  align-items: center;
  gap: 10px;
}
.k-partners .k-document {
  min-height: 175px;
}
.k-partners .is-updated {
  border-top: 3px solid var(--accent);
}
.k-partners .k-badge {
  margin-top: 12px;
}
.k-partner-link {
  color: var(--accent-ink);
  font-size: 1.3rem;
  text-align: center;
}
.k-shared-dossier {
  margin-top: 28px;
  padding: 22px;
  border: 1px dashed var(--accent-ink);
  border-radius: 4px;
  background: var(--surface);
}
.k-shared-dossier > strong {
  display: block;
  font-size: 1rem;
  line-height: 1.5;
  font-weight: 500;
  margin-bottom: 18px;
}
.k-dossier-layers {
  display: grid;
  gap: 12px;
}
.k-dossier-layers .k-document:nth-child(2) {
  margin-left: 20px;
}
.k-dossier-layers .k-document:nth-child(3) {
  margin-left: 40px;
  border-left: 3px solid var(--accent);
}
.k-version-alert {
  display: flex;
  gap: 16px;
  align-items: baseline;
  padding-top: 22px;
}
.k-version-alert strong {
  color: var(--accent-soft);
  font-size: 0.75rem;
}
.k-version-alert > span {
  color: var(--muted-on-dark);
  font-size: 0.7rem;
  line-height: 1.7;
}
.k-column-keys {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 5px;
  margin-bottom: 20px;
}
.k-column-keys span {
  padding: 12px 8px;
  background: var(--surface-soft);
  color: var(--muted);
  font-size: 0.62rem;
}
.k-column-keys span:nth-child(2) {
  background: var(--surface-tint);
  color: var(--accent-ink);
}
.k-sheet-sample > div {
  display: grid;
  grid-template-columns: 30px 1fr auto;
  gap: 12px;
  border-top: 1px solid var(--line);
  padding: 16px 0;
  align-items: baseline;
}
.k-sheet-sample b {
  font-size: 0.75rem;
}
.k-sheet-sample span {
  font-size: 0.62rem;
  overflow-wrap: anywhere;
}
.k-sheet-sample strong {
  font-size: 0.8rem;
}
.k-layout-spreadsheet .k-visual-stage {
  background:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px), var(--paper);
  background-size: 24px 24px;
}
.k-correction-pair {
  display: grid;
}
.k-correction-pair .k-paper-label {
  padding-bottom: 12px;
}
.k-pair-arrow {
  color: var(--accent-ink);
  padding: 10px;
  text-align: center;
}
.k-wrong strong {
  text-decoration: line-through;
  text-decoration-color: var(--accent-ink);
}
.k-report-total {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-bottom: 24px;
}
.k-report-total > strong {
  font-size: 4rem;
  font-weight: 500;
  line-height: 1;
  letter-spacing: -0.06em;
}
.k-report-total > span {
  font-size: 0.7rem;
  line-height: 1.7;
  color: var(--muted);
}
.k-result-bar {
  display: flex;
  gap: 4px;
  height: 26px;
  margin-bottom: 24px;
}
.k-result-bar i {
  background: var(--ink);
}
.k-result-bar i:nth-child(2) {
  background: var(--accent);
}
.k-result-bar i:nth-child(3) {
  background: var(--surface);
  border: 1px dashed var(--accent-ink);
}
.k-result-legend .k-value-line:nth-child(3) {
  color: var(--accent-ink);
}
.k-layout-report .k-visual-stage {
  background: var(--surface-soft);
  padding-top: 18px;
  border-top: 7px solid var(--ink);
}
.k-trend-pair {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-bottom: 26px;
}
.k-trend-pair > div {
  display: grid;
  gap: 16px;
}
.k-trend-pair span {
  font-size: 0.7rem;
}
.k-trend-pair strong {
  font-size: 1.3rem;
  font-weight: 500;
}
.k-trend-pair svg {
  width: 100%;
  height: auto;
  overflow: visible;
}
.k-trend-pair svg path {
  stroke: var(--ink);
  stroke-width: 3;
  fill: none;
}
.k-trend-pair > div:last-child path {
  stroke: var(--accent);
}
.k-scene-heading {
  display: block;
  font-weight: 500;
  font-size: 1.15rem;
  line-height: 1.4;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
}
.k-discovery {
  padding-bottom: 24px;
  border-bottom: 1px solid var(--line-on-dark);
}
.k-discovery .k-hand-label {
  color: var(--accent-soft);
}
.k-discovery > strong {
  font-size: 2.2rem;
  font-weight: 500;
  letter-spacing: -0.04em;
}
.k-article .k-discovery p {
  color: var(--muted-on-dark);
  font-size: 0.75rem;
  margin: 10px 0 0;
}
.k-sequence {
  list-style: none;
  padding: 0;
  margin: 24px 0 0;
}
.k-sequence li {
  display: grid;
  grid-template-columns: 32px 1fr;
  gap: 16px;
  padding-bottom: 26px;
  position: relative;
}
.k-sequence li:not(:last-child)::before {
  content: "";
  position: absolute;
  left: 15px;
  top: 32px;
  height: calc(100% - 32px);
  border-left: 1px solid var(--line-strong);
}
.k-node {
  display: grid;
  place-items: center;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  width: 32px;
  height: 32px;
  font-size: 0.63rem;
}
.k-sequence strong {
  display: block;
  font-size: 0.9rem;
  font-weight: 500;
  padding-top: 4px;
}
.k-sequence small {
  display: block;
  font-size: 0.7rem;
  line-height: 1.7;
  color: var(--muted);
  padding-top: 7px;
}
.k-sequence.on-dark small {
  color: var(--muted-on-dark);
}
.k-sequence.on-dark .k-node {
  border-color: var(--accent);
  color: var(--accent-soft);
}
.k-separate-date {
  border-top: 1px dashed var(--line-on-dark);
  padding-top: 20px;
  display: grid;
  gap: 8px;
}
.k-separate-date span {
  color: var(--muted-on-dark);
  font-size: 0.65rem;
}
.k-separate-date strong {
  font-size: 0.8rem;
  font-weight: 500;
}
.k-correction-folder {
  display: grid;
  gap: 16px;
}
.k-inserted-document {
  padding-left: 30px;
  border-left: 2px dashed var(--accent);
}
.k-inserted-document .k-document {
  background: var(--surface-tint);
}
.k-layout-file .k-visual-stage > .k-drawing-note {
  color: var(--muted-on-dark);
}
.k-matrix-head,
.k-matrix-row {
  display: grid;
  grid-template-columns: 0.7fr 1.3fr 1fr;
  gap: 12px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
  font-size: 0.75rem;
}
.k-matrix-head {
  color: var(--muted);
  font-size: 0.65rem;
  padding-top: 0;
}
.k-matrix-row strong {
  color: var(--accent-ink);
  font-weight: 500;
}
.k-transaction-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  margin-top: 24px;
}
.k-transaction-split > div {
  display: grid;
  gap: 12px;
}
.k-transaction-split span {
  font-size: 1.6rem;
  color: var(--accent-ink);
}
.k-transaction-split strong {
  font-size: 0.75rem;
  font-weight: 500;
}
.k-receipt .k-paper {
  border-radius: 0;
  border-bottom: 2px dashed var(--line-strong);
}
.k-receipt-link {
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 16px 20px;
  font-size: 0.7rem;
  color: var(--muted);
}
.k-receipt-link > span:first-child {
  font-size: 1.5rem;
  color: var(--accent-ink);
}
.k-triangle-top {
  width: 75%;
  margin: 0 auto 28px;
}
.k-triangle-bottom {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  position: relative;
}
.k-triangle-bottom::before {
  content: "";
  position: absolute;
  top: -28px;
  width: 50%;
  height: 28px;
  left: 25%;
  border: 1px solid var(--line-strong);
  border-bottom: 0;
}
@media (max-width: 540px) {
  .k-partners {
    grid-template-columns: 1fr;
    gap: 14px;
  }
  .k-partners .k-document {
    min-height: 0;
  }
  .k-partner-link {
    transform: rotate(90deg);
  }
  .k-dossier-layers .k-document:nth-child(2) {
    margin-left: 10px;
  }
  .k-dossier-layers .k-document:nth-child(3) {
    margin-left: 20px;
  }
  .k-version-alert {
    flex-direction: column;
    gap: 8px;
  }
  .k-column-keys {
    grid-template-columns: 1fr 1fr;
  }
  .k-sheet-sample > div {
    grid-template-columns: 24px 1fr;
  }
  .k-sheet-sample strong {
    grid-column: 2;
  }
  .k-trend-pair {
    gap: 18px;
  }
  .k-triangle-bottom {
    gap: 10px;
  }
  .k-triangle-bottom .k-document {
    padding: 16px 12px;
  }
  .k-report-total > strong {
    font-size: 3rem;
  }
  .k-matrix-head,
  .k-matrix-row {
    gap: 8px;
    font-size: 0.68rem;
  }
}
/* Chart geometry lives in the stylesheet, respecting the site's strict CSP. */
.k-bars i {
  width: 100%;
}
.k-bars > div:nth-child(2) i {
  width: 98.0645%;
}
.k-result-bar i:first-child {
  flex: 46;
}
.k-result-bar i:nth-child(2),
.k-result-bar i:nth-child(3) {
  flex: 2;
}
@media (min-width: 541px) {
  .k-waterfall i {
    height: 65%;
  }
  .k-waterfall .is-change i {
    height: 16%;
  }
  .k-waterfall .is-negative i {
    height: 8%;
  }
  .k-waterfall > div:last-child i {
    height: 70%;
  }
}
/* Registrations, incoming messages and timelines are not interchangeable states. */
.k-layout-board .k-visual-stage {
  background: var(--surface-soft);
}
.k-office-board {
  display: grid;
  gap: 18px;
}
.k-board-column {
  display: grid;
  grid-template-columns: 88px 1fr;
  gap: 20px;
  align-items: start;
}
.k-board-column > span {
  font-size: 0.65rem;
  padding-top: 20px;
  color: var(--muted);
}
.k-board-column .k-document {
  border-left: 2px solid var(--line-strong);
}
.k-board-column:last-child .k-document {
  border-left-color: var(--accent);
}
.k-board-rule {
  display: flex;
  gap: 16px;
  align-items: baseline;
  margin-top: 26px;
}
.k-board-rule > span {
  color: var(--accent-ink);
  font-size: 1.5rem;
}
.k-board-rule strong {
  font-size: 0.8rem;
  line-height: 1.7;
  font-weight: 500;
}
.k-incoming-message {
  display: flex;
  gap: 18px;
  align-items: center;
  padding-bottom: 24px;
}
.k-message-icon {
  width: 48px;
  height: 48px;
  flex: none;
  display: grid;
  place-items: center;
  color: var(--on-dark);
  background: var(--ink);
  border-radius: 50%;
  font-size: 1.6rem;
}
.k-incoming-message strong {
  font-size: 1.25rem;
  font-weight: 500;
}
.k-message-route {
  display: flex;
  gap: 22px;
  align-items: center;
  margin: 24px 0 0;
}
.k-message-route strong {
  display: block;
  font-size: 0.9rem;
  font-weight: 500;
}
.k-message-route span:not(.k-drawing-arrow) {
  display: block;
  font-size: 0.68rem;
  color: var(--muted);
  margin-top: 8px;
}
.k-transfer-lanes {
  padding: 4px 0 24px;
}
.k-transfer-lanes > div:not(.k-transfer-date) {
  display: grid;
  grid-template-columns: 90px 1fr;
  gap: 10px 16px;
  font-size: 0.75rem;
}
.k-transfer-lanes strong {
  font-weight: 500;
}
.k-transfer-lanes i {
  display: block;
  height: 2px;
  background: var(--ink);
  grid-column: 2;
}
.k-transfer-lanes > div:last-child i {
  background: var(--accent);
}
.k-transfer-date {
  padding: 22px 0 22px 106px;
  display: grid;
  gap: 10px;
}
.k-transfer-date .k-badge {
  justify-self: start;
}
.k-transfer-date > span:last-child {
  font-size: 0.68rem;
  color: var(--muted);
}
.k-registration-cards {
  display: grid;
  gap: 14px;
}
.k-registration-cards .k-document:nth-child(2) {
  border-left: 3px solid var(--accent);
  background: var(--surface-tint);
}
.k-registration-note {
  padding-top: 26px;
}
.k-registration-note strong {
  font-size: 1.1rem;
  font-weight: 500;
}
.k-registration-note p {
  font-size: 0.75rem;
  margin: 12px 0 0;
}
.k-empty-inbox {
  margin-top: 24px;
  border: 1px dashed var(--line-strong);
  padding: 24px;
  text-align: center;
}
.k-empty-inbox > span:first-child {
  display: block;
  font-size: 2rem;
  color: var(--accent-ink);
  margin-bottom: 16px;
}
.k-empty-inbox > strong {
  font-size: 1.25rem;
  font-weight: 500;
}
.k-article .k-empty-inbox > p {
  font-size: 0.75rem;
  margin: 16px 0;
}
.k-via-received {
  padding-right: 30px;
}
.k-mini-file {
  border-top: 1px solid var(--line);
  display: flex;
  gap: 16px;
  margin-top: 20px;
  padding-top: 16px;
  font-size: 0.8rem;
}
.k-mini-file > span {
  color: var(--accent-ink);
}
.k-via-addition {
  display: flex;
  align-items: center;
  gap: 20px;
  margin: 20px 0;
}
.k-via-addition > span {
  font-size: 2rem;
  color: var(--accent-ink);
}
.k-via-addition .k-document {
  flex: 1;
  border-left: 3px solid var(--accent);
}
.k-via-conclusion {
  display: grid;
  gap: 12px;
  border-top: 1px solid var(--line-strong);
  padding-top: 20px;
}
.k-via-conclusion strong {
  font-size: 0.9rem;
  font-weight: 500;
}
.k-via-conclusion span {
  color: var(--muted);
  font-size: 0.75rem;
  line-height: 1.7;
}
.k-route-options {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.k-route-options > div {
  border-top: 2px solid var(--ink);
  padding: 24px 0;
}
.k-route-options > div:last-child {
  border-color: var(--accent);
}
.k-route-options strong {
  font-size: 1.4rem;
  font-weight: 500;
  letter-spacing: -0.04em;
  display: block;
  line-height: 1.3;
}
.k-article .k-route-options p {
  font-size: 0.8rem;
  line-height: 1.7;
  margin-top: 16px;
}
.k-history-strip {
  display: flex;
  gap: 18px;
  align-items: baseline;
  border-top: 1px solid var(--line-strong);
  padding-top: 20px;
}
.k-history-strip > span {
  font-size: 1.5rem;
  color: var(--accent-ink);
}
.k-history-strip strong {
  font-size: 0.8rem;
  font-weight: 500;
  line-height: 1.7;
}
.k-continuity .k-hand-label {
  color: var(--accent-soft);
}
.k-continuity-line {
  display: flex;
  gap: 10px;
  align-items: center;
  font-size: 0.7rem;
  padding: 12px 0 24px;
}
.k-continuity-line > i {
  flex: 1;
  height: 1px;
  background: var(--accent);
}
.k-auth-chain {
  padding-bottom: 24px;
}
.k-auth-chain > div {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 14px;
  border: 1px solid var(--line);
  padding: 16px;
  background: var(--surface);
}
.k-auth-chain > div > span:first-child {
  font-size: 0.65rem;
  color: var(--accent-ink);
}
.k-auth-chain strong {
  font-size: 0.9rem;
  font-weight: 500;
}
.k-auth-chain > i {
  display: block;
  text-align: center;
  padding: 8px;
  color: var(--accent-ink);
  font-style: normal;
}
.k-return-track > div {
  position: relative;
  display: grid;
  grid-template-columns: 38px 1fr;
  gap: 18px;
  padding-bottom: 30px;
}
.k-return-track > div:not(:last-child)::before {
  content: "";
  position: absolute;
  top: 38px;
  left: 18px;
  height: calc(100% - 38px);
  border-left: 1px dashed var(--line-on-dark);
}
.k-return-node {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border: 1px dashed var(--line-on-dark);
  border-radius: 50%;
  font-size: 0.7rem;
  color: var(--muted-on-dark);
}
.k-return-track .is-recorded .k-return-node {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--on-accent);
}
.k-return-track strong {
  font-size: 1.2rem;
  font-weight: 500;
  display: block;
  padding-top: 2px;
}
.k-return-track small {
  font-size: 0.7rem;
  color: var(--muted-on-dark);
  display: block;
  margin-top: 8px;
}
.k-unknown-status {
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 20px;
  background: var(--surface-tint);
  color: var(--ink);
  border-radius: 4px;
}
.k-unknown-status > span {
  font-size: 2rem;
  color: var(--accent-ink);
}
.k-unknown-status strong {
  font-size: 0.95rem;
  font-weight: 500;
}
.k-article .k-unknown-status p {
  font-size: 0.7rem;
  margin: 8px 0 0;
  color: var(--muted);
}
@media (max-width: 540px) {
  .k-board-column {
    grid-template-columns: 1fr;
    gap: 10px;
  }
  .k-board-column > span {
    padding-top: 0;
  }
  .k-transfer-lanes > div:not(.k-transfer-date) {
    grid-template-columns: 70px 1fr;
    gap: 10px;
  }
  .k-transfer-date {
    padding-left: 80px;
  }
  .k-route-options {
    grid-template-columns: 1fr;
    gap: 0;
  }
  .k-via-received {
    padding-right: 14px;
  }
  .k-continuity-line {
    flex-wrap: wrap;
  }
}

/* Yearwork and collaboration: documents, source relationships and version history. */
.k-publication-source > .k-hand-label {
  color: var(--accent-soft);
}
.k-paper-stack {
  position: relative;
  margin-right: 18px;
  margin-bottom: 12px;
}
.k-paper-stack::before {
  content: "";
  position: absolute;
  inset: 8px -8px -8px 8px;
  border: 1px solid var(--line-strong);
  border-radius: 4px;
}
.k-paper-stack .k-document {
  position: relative;
}
.k-publication-transfer {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 12px 0 20px;
}
.k-publication-transfer .k-drawing-arrow {
  color: var(--accent-soft);
}
.k-publication-transfer > span:last-child {
  color: var(--muted-on-dark);
  font-size: 0.7rem;
  line-height: 1.7;
}
.k-document-comparison {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px;
}
.k-document-comparison > div {
  padding: 20px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 4px;
}
.k-document-comparison .k-document {
  padding: 0;
  border: 0;
}
.k-document-comparison > div:last-child {
  border-top: 3px solid var(--accent);
}
.k-document-lines {
  display: grid;
  gap: 10px;
  padding: 28px 0;
  min-height: 94px;
}
.k-document-lines > i {
  display: block;
  height: 3px;
  background: var(--line);
}
.k-document-lines > i:last-child {
  width: 65%;
}
.k-document-comparison > div > span {
  font-size: 0.68rem;
  line-height: 1.6;
  display: block;
}
.k-date-register > .k-hand-label {
  color: var(--accent-soft);
}
.k-date-warning {
  padding: 20px;
  background: var(--surface-tint);
  border-radius: 4px;
  color: var(--ink);
  display: grid;
  gap: 12px;
}
.k-date-warning strong {
  font-size: 0.95rem;
  font-weight: 500;
}
.k-date-warning span {
  font-size: 0.7rem;
  line-height: 1.7;
  color: var(--muted);
}
.k-asset-index > strong {
  font-size: 1.5rem;
  font-weight: 500;
  letter-spacing: -0.04em;
  line-height: 1.3;
  display: block;
}
.k-asset-records {
  display: grid;
  gap: 14px;
  margin: 24px 0;
}
.k-asset-records .k-document {
  grid-template-columns: 82px 1fr;
  gap: 8px 20px;
  align-items: baseline;
}
.k-asset-records small {
  grid-column: 2;
}
.k-year-doors {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}
.k-year-doors > div {
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--surface);
  display: flex;
  flex-direction: column;
}
.k-year-doors > div:last-child {
  border-top: 3px solid var(--accent);
}
.k-year-doors > div > span:first-child {
  font-size: 2.5rem;
  font-weight: 500;
  letter-spacing: -0.05em;
  margin-bottom: 24px;
}
.k-year-doors strong {
  font-size: 1rem;
  font-weight: 500;
  line-height: 1.4;
}
.k-article .k-year-doors p {
  font-size: 0.75rem;
  margin: 16px 0 24px;
}
.k-year-doors .k-badge {
  margin-top: auto;
  align-self: flex-start;
}
.k-evidence-pair {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.k-evidence-join {
  width: 50%;
  height: 26px;
  border: 1px solid var(--line-strong);
  border-top: 0;
  position: relative;
  margin: 0 auto 26px;
}
.k-evidence-join::after {
  content: "";
  position: absolute;
  bottom: -27px;
  left: 50%;
  height: 26px;
  border-left: 1px solid var(--line-strong);
}
.k-evidence-pair + .k-evidence-join + .k-paper .k-badge {
  margin-bottom: 20px;
}
.k-old-note {
  padding: 12px 0 28px;
}
.k-old-note s {
  font-size: 1.6rem;
  text-decoration-color: var(--accent);
  letter-spacing: -0.04em;
  display: block;
}
.k-old-note > span:last-child {
  font-size: 0.7rem;
  line-height: 1.7;
  color: var(--muted);
  margin-top: 12px;
  display: block;
}
.k-approval-history > div {
  display: grid;
  grid-template-columns: 58px 1fr;
  gap: 24px;
  padding: 28px 0;
  border-bottom: 1px solid var(--line-strong);
}
.k-approval-history > div:first-child {
  padding-top: 0;
}
.k-version-number {
  font-size: 2rem;
  font-weight: 500;
  letter-spacing: -0.06em;
}
.k-approval-history strong {
  font-size: 1.05rem;
  font-weight: 500;
  display: block;
  line-height: 1.4;
}
.k-approval-history div > div > span:not(.k-badge) {
  display: block;
  font-size: 0.72rem;
  line-height: 1.7;
  margin: 12px 0;
  color: var(--muted);
}
.k-approval-history > div:last-child .k-version-number {
  color: var(--accent-ink);
}
.k-approval-rule {
  display: flex;
  gap: 16px;
  align-items: baseline;
  padding-top: 24px;
}
.k-approval-rule > span {
  color: var(--accent-ink);
  font-size: 1.5rem;
}
.k-approval-rule strong {
  font-size: 0.8rem;
  font-weight: 500;
  line-height: 1.7;
}
.k-message-vague {
  margin-right: 28px;
  border: 1px dashed var(--line-strong);
  padding: 20px;
  border-radius: 6px;
}
.k-message-vague > span,
.k-message-clear > span {
  font-size: 0.65rem;
  color: var(--muted);
}
.k-article .k-message-vague > p {
  font-size: 0.95rem;
  margin: 14px 0 0;
}
.k-message-clear {
  padding: 24px;
  background: var(--ink);
  color: var(--on-dark);
  border-radius: 6px 6px 6px 0;
  margin: 22px 0 22px 28px;
}
.k-message-clear > span {
  color: var(--accent-soft);
}
.k-article .k-message-clear p {
  font-size: 1rem;
  line-height: 1.7;
  color: var(--on-dark);
  margin: 16px 0 0;
}
.k-delivered-file {
  margin-right: 28px;
}
.k-delivered-file .k-document {
  border-left: 3px solid var(--accent);
}
.k-delivered-file .k-badge {
  margin-top: 16px;
}
.k-layout-conversation .k-visual-stage {
  background: var(--surface-soft);
}
.k-migration-inventory {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.k-migration-inventory span {
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
  font-size: 0.75rem;
}
.k-migration-fork {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.k-migration-fork > div > span {
  display: block;
  text-align: center;
  color: var(--accent-ink);
  font-size: 1.6rem;
  padding: 12px 0;
}
.k-migration-fork .k-document {
  height: calc(100% - 60px);
}
.k-file-tree {
  padding: 0;
  margin: 0;
  list-style: none;
}
.k-file-tree li {
  display: flex;
  gap: 16px;
  align-items: baseline;
  padding: 18px 0;
  border-top: 1px solid var(--line);
}
.k-file-tree span {
  font-size: 0.65rem;
  color: var(--muted);
}
.k-file-tree strong {
  font-size: 0.85rem;
  font-weight: 500;
}
.k-file-tree .is-linked {
  padding-left: 20px;
  background: var(--surface-tint);
  color: var(--accent-ink);
}
.k-file-tree .is-linked > span {
  color: var(--accent-ink);
}
@media (min-width: 851px) {
  .k-layout-conversation .k-hero-copy {
    order: 2;
  }
  .k-layout-conversation .k-visual {
    order: 1;
  }
  .k-article-becon .k-hero {
    grid-template-columns: 0.9fr 1.1fr;
  }
  .k-article-icpexcel .k-hero,
  .k-article-ossadmin .k-hero {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .k-layout-spreadsheet .k-hero-copy {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 0 70px;
  }
  .k-layout-spreadsheet .k-hero-copy > .brand-kicker {
    grid-column: 1/-1;
  }
  .k-layout-spreadsheet .k-hero-copy > h1 {
    grid-column: 1;
    grid-row: 2/4;
  }
  .k-layout-spreadsheet .k-hero-copy > p {
    grid-column: 2;
    grid-row: 2;
    align-self: end;
  }
  .k-layout-spreadsheet .k-hero-copy > .px-link {
    grid-column: 2;
    grid-row: 3;
    justify-self: start;
  }
  .k-layout-spreadsheet .k-meta {
    grid-column: 1/-1;
    margin: 12px 0 0;
  }
  .k-layout-spreadsheet .k-visual {
    width: 100%;
  }
  .k-layout-spreadsheet .k-visual-stage {
    padding: 32px 64px;
  }
  .k-layout-spreadsheet .k-paper {
    display: grid;
    grid-template-columns: 1.4fr 1fr;
    gap: 16px 36px;
  }
  .k-layout-spreadsheet .k-paper-label {
    grid-column: 1/-1;
    padding-bottom: 8px;
  }
  .k-article-icpexcel .k-column-keys {
    grid-column: 1/-1;
    grid-template-columns: repeat(5, 1fr);
    margin: 0;
  }
  .k-article-icpexcel .k-sheet-sample {
    grid-column: 1;
    grid-row: 3/6;
  }
  .k-article-icpexcel .k-paper > .k-badge {
    justify-self: start;
    align-self: center;
  }
  .k-article-icpexcel .k-drawing-note {
    margin: 0;
  }
  .k-article-ossadmin .k-paper {
    display: block;
  }
  .k-article-ossadmin .k-transaction-split {
    border-top: 1px solid var(--line);
    padding-top: 18px;
  }
}
@media (max-width: 540px) {
  .k-document-comparison,
  .k-year-doors {
    grid-template-columns: 1fr;
  }
  .k-document-lines {
    display: none;
  }
  .k-document-comparison > div > span {
    margin-top: 20px;
  }
  .k-asset-records .k-document {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  .k-asset-records small {
    grid-column: auto;
  }
  .k-year-doors > div > span:first-child {
    margin-bottom: 18px;
  }
  .k-evidence-pair {
    gap: 10px;
  }
  .k-evidence-pair .k-document {
    padding: 16px 12px;
  }
  .k-approval-history > div {
    grid-template-columns: 42px 1fr;
    gap: 16px;
  }
  .k-message-vague,
  .k-delivered-file {
    margin-right: 12px;
  }
  .k-message-clear {
    margin-left: 12px;
    padding: 20px;
  }
  .k-migration-fork {
    grid-template-columns: 1fr;
    gap: 0;
  }
  .k-migration-fork .k-document {
    height: auto;
  }
}

/* Tool shortcut on articles that have a working tool. */
.k-tool-banner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 28px;
  margin-top: 8px;
  margin-bottom: 8px;
  padding: 20px 24px;
  background: var(--surface-tint);
  border-radius: var(--radius-medium);
}
.k-tool-banner .brand-kicker {
  flex-basis: 100%;
}
.k-tool-banner p {
  margin: 0;
  flex: 1 1 320px;
}
@media (max-width: 700px) {
  .k-tool-banner .button {
    width: 100%;
  }
}

/* Complete guides on the knowledge index. */
.k-guides {
  padding-block: 56px 16px;
}
.k-guides-head h2 {
  font-size: clamp(1.8rem, 3vw, 2.8rem);
  letter-spacing: -0.05em;
  max-width: 760px;
  margin: 12px 0 28px;
}
.k-guides-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}
.k-guides-grid a {
  display: grid;
  gap: 12px;
  align-content: space-between;
  min-height: 170px;
  padding: 22px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-medium);
  transition: border-color 0.2s, transform 0.2s;
}
.k-guides-grid a:hover {
  border-color: var(--ink);
  transform: translateY(-2px);
}
.k-guides-grid strong {
  font-size: 1.15rem;
  font-weight: 600;
  line-height: 1.35;
  letter-spacing: -0.02em;
}
.k-guides-read {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent-ink);
}
@media (max-width: 900px) {
  .k-guides-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}
@media (max-width: 600px) {
  .k-guides-grid {
    grid-template-columns: 1fr;
  }
}