html {
  overflow-x: clip;
  scroll-padding-top: 1rem;
}

body,
main,
section,
.page,
.node,
.branches,
.risk,
.reuse,
.chip > div,
.stagenav > a,
.familytrack .row > *,
.altlist > li > * {
  min-width: 0;
}

img,
svg {
  max-width: 100%;
  height: auto;
}

a,
code,
dd,
td {
  overflow-wrap: anywhere;
}

.skip-link {
  position: fixed;
  z-index: 1000;
  top: 8px;
  left: 8px;
  padding: 8px 12px;
  border: 2px solid var(--ink, #141414);
  background: #fff;
  color: #141414;
  font-family: var(--sans, sans-serif);
  font-size: 14px;
  transform: translateY(-160%);
  transition: none !important;
}

.skip-link:focus {
  transform: translateY(0);
}

a:focus-visible,
[tabindex]:focus-visible {
  outline: 3px solid #0b57d0;
  outline-offset: 3px;
  text-decoration-color: currentColor;
}

.flowchart,
pre {
  max-width: 100%;
  overflow-x: auto;
  overscroll-behavior-inline: contain;
  -webkit-overflow-scrolling: touch;
}

table {
  display: block;
  width: 100%;
  max-width: 100%;
  overflow-x: auto;
  overscroll-behavior-inline: contain;
  -webkit-overflow-scrolling: touch;
}

@media (max-width: 760px) {
  header.top {
    padding: 11px 16px !important;
    gap: 6px 14px;
    align-items: flex-start !important;
    flex-wrap: wrap;
  }

  header.top .l,
  header.top .r {
    min-width: 0;
  }

  .page {
    padding: 34px 16px 96px !important;
  }

  footer,
  footer.btm {
    margin-top: 48px !important;
    padding: 18px 16px 42px !important;
    gap: 8px;
    flex-wrap: wrap;
  }

  h1 {
    font-size: 26px !important;
    line-height: 1.28 !important;
  }

  .meta span {
    display: block;
  }

  .meta span + span::before {
    content: none !important;
  }

  .chip {
    grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
  }

  .chip > div {
    border-right: 1px solid var(--rule) !important;
    border-bottom: 1px solid var(--rule) !important;
  }

  .chip > div:nth-child(2n) {
    border-right: 0 !important;
  }

  .stagenav {
    grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
  }

  .node,
  .risk,
  .branches,
  .reuse {
    padding: 14px 16px !important;
  }

  .node .ntop {
    align-items: flex-start !important;
    gap: 6px 10px;
    flex-wrap: wrap;
  }

  .node dl.kv,
  .node dl.facts,
  .node ul.where li,
  .node ul.src li {
    grid-template-columns: 1fr !important;
  }

  .familytrack .row,
  .altlist > li {
    grid-template-columns: 1fr !important;
  }

  .familytrack .row .l {
    border-right: 0 !important;
    border-bottom: 1px solid var(--rule) !important;
  }

  .altlist > li {
    gap: 6px !important;
  }

  .speedlines .line {
    grid-template-columns: minmax(0, 1fr) auto !important;
    gap: 5px 10px !important;
  }

  .speedlines .line .desc {
    grid-column: 1 / -1;
    grid-row: 2;
  }

  .speedlines .line .num {
    grid-column: 2;
    grid-row: 1;
  }

  .flowchart {
    padding: 16px !important;
    font-size: 11px !important;
  }

  blockquote {
    margin-left: 0 !important;
    margin-right: 0 !important;
  }

  .paths li {
    grid-template-columns: 42px minmax(0, 1fr) !important;
    gap: 10px 12px !important;
  }

  .paths .status {
    grid-column: 2;
    padding-top: 0 !important;
  }
}

@media (max-width: 420px) {
  .stagenav {
    grid-template-columns: 1fr !important;
  }

  .caveat,
  .node,
  .risk,
  .branches,
  .reuse {
    padding-left: 14px !important;
    padding-right: 14px !important;
  }
}

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

/* Shared editorial shell for path pages added after the initial hand-authored set. */
body.route-document {
  --ink: #141414;
  --ink-soft: #3d3d3d;
  --ink-faint: #757575;
  --rule: #d4d4d4;
  --rule-soft: #eceae5;
  --bg: #fdfbf7;
  --warn-bg: #fff6e7;
  --warn-ink: #694b00;
  --serif: Georgia, "Source Han Serif SC", "Noto Serif SC", "Times New Roman", serif;
  --sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Helvetica Neue", sans-serif;
  --mono: "SFMono-Regular", Menlo, Consolas, monospace;
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--serif);
  font-size: 16.5px;
  line-height: 1.78;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

.route-document .top {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  padding: 14px 40px;
  border-bottom: 1px solid var(--rule);
  background: #fff;
  color: var(--ink-faint);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.04em;
}

.route-document .top .l,
.route-document a {
  color: var(--ink);
}

.route-document .route-page {
  width: min(920px, 100%);
  margin: 0 auto;
  padding: 56px 32px 140px;
}

.route-document .kicker,
.route-document .meta,
.route-document .facts dt,
.route-document .stage-nav .label,
.route-document .section-no,
.route-document .source-id,
.route-document .route-footer {
  font-family: var(--mono);
}

.route-document .kicker {
  margin: 0 0 10px;
  color: var(--ink-faint);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.route-document h1 {
  margin: 0 0 8px;
  font-size: 30px;
  line-height: 1.25;
  letter-spacing: 0;
}

.route-document .sub {
  margin: 0 0 14px;
  color: var(--ink-soft);
  font-family: var(--sans);
  font-size: 14px;
}

.route-document .sub code,
.route-document .source-id,
.route-document code {
  padding: 1px 5px;
  background: var(--rule-soft);
  color: var(--ink);
  font-family: var(--mono);
  font-size: 0.9em;
}

.route-document .meta {
  margin: 0 0 28px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--ink);
  color: var(--ink-faint);
  font-size: 11.5px;
  letter-spacing: 0.04em;
}

.route-document .meta span + span::before {
  content: " · ";
  margin: 0 4px;
  color: var(--rule);
}

.route-document .notice,
.route-document .risk-box {
  padding: 15px 20px;
  border: 1px solid var(--warn-ink);
  background: var(--warn-bg);
  color: var(--warn-ink);
  font-family: var(--sans);
  font-size: 13px;
  line-height: 1.7;
}

.route-document .notice {
  margin: 0 0 32px;
}

.route-document .notice p,
.route-document .panel p {
  margin: 0 0 8px;
}

.route-document .notice p:last-child,
.route-document .panel p:last-child {
  margin-bottom: 0;
}

.route-document .facts {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  margin: 0 0 34px;
  border: 1px solid var(--ink);
  background: #fff;
}

.route-document .facts > div {
  min-width: 0;
  padding: 12px 13px;
  border-right: 1px solid var(--rule);
}

.route-document .facts > div:last-child {
  border-right: 0;
}

.route-document .facts dt {
  margin: 0 0 3px;
  color: var(--ink-faint);
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.route-document .facts dd {
  margin: 0;
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 700;
  line-height: 1.45;
}

.route-document .facts small {
  display: block;
  margin-top: 2px;
  color: var(--ink-faint);
  font-family: var(--mono);
  font-size: 10.5px;
  font-weight: 400;
}

.route-document .stage-nav {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 6px;
  margin: 0 0 42px;
}

.route-document .stage-nav a {
  min-width: 0;
  padding: 10px 11px;
  border: 1px solid var(--ink);
  background: #fff;
  text-decoration: none;
}

.route-document .stage-nav .label {
  display: block;
  margin-bottom: 2px;
  color: var(--ink-faint);
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.route-document .stage-nav strong {
  display: block;
  font-family: var(--sans);
  font-size: 13px;
  line-height: 1.35;
}

.route-document section {
  margin-top: 54px;
}

.route-document h2 {
  margin: 0 0 6px;
  font-size: 21px;
  line-height: 1.35;
  letter-spacing: 0;
}

.route-document .section-no {
  margin-right: 9px;
  color: var(--ink-faint);
  font-size: 12px;
  font-weight: 400;
}

.route-document .lede {
  margin: 0 0 20px;
  color: var(--ink-soft);
  font-size: 15.5px;
  font-style: italic;
}

.route-document h3 {
  margin: 25px 0 8px;
  font-size: 16px;
  line-height: 1.45;
  letter-spacing: 0;
}

.route-document p {
  margin: 0 0 1em;
}

.route-document ul,
.route-document ol {
  margin: 8px 0 16px;
  padding-left: 22px;
}

.route-document li {
  margin-bottom: 7px;
}

.route-document .panel,
.route-document .timeline {
  margin: 14px 0 18px;
  padding: 18px 22px;
  border: 1px solid var(--ink);
  background: #fff;
  font-family: var(--sans);
  font-size: 13.5px;
  line-height: 1.7;
}

.route-document .panel-title {
  margin: 0 0 10px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--rule-soft);
  font-family: var(--serif);
  font-size: 18px;
  font-weight: 700;
}

.route-document .timeline {
  overflow-x: auto;
  white-space: pre;
  font-family: var(--mono);
  font-size: 12px;
}

.route-document .risk-box {
  margin: 12px 0 18px;
  background: #fff;
  color: var(--ink);
}

.route-document .risk-box strong {
  color: var(--warn-ink);
}

.route-document table.sources {
  display: table;
  width: 100%;
  border-collapse: collapse;
  background: #fff;
  font-family: var(--sans);
  font-size: 12.5px;
  line-height: 1.55;
}

.route-document table.sources th,
.route-document table.sources td {
  padding: 9px 10px;
  border-bottom: 1px solid var(--rule);
  text-align: left;
  vertical-align: top;
}

.route-document table.sources th {
  border-bottom-color: var(--ink);
  background: var(--rule-soft);
  color: var(--ink-faint);
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.route-document .alternatives {
  padding-left: 0;
  list-style: none;
}

.route-document .alternatives li {
  display: grid;
  grid-template-columns: 150px 1fr;
  gap: 18px;
  margin: 0;
  padding: 13px 0;
  border-top: 1px solid var(--rule-soft);
  font-family: var(--sans);
  font-size: 13px;
}

.route-document .alternatives li:last-child {
  border-bottom: 1px solid var(--rule-soft);
}

.route-document .alternatives .alt-name {
  font-family: var(--mono);
  font-size: 11px;
}

.route-document .route-footer {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  margin-top: 76px;
  padding-top: 14px;
  border-top: 1px solid var(--rule);
  color: var(--ink-faint);
  font-size: 10.5px;
  letter-spacing: 0.04em;
}

@media (max-width: 760px) {
  .route-document .route-page {
    padding: 34px 16px 96px;
  }

  .route-document .facts,
  .route-document .stage-nav {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .route-document .facts > div {
    border-right: 1px solid var(--rule);
    border-bottom: 1px solid var(--rule);
  }

  .route-document .facts > div:nth-child(2n) {
    border-right: 0;
  }

  .route-document .alternatives li {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .route-document table.sources {
    display: block;
  }
}

@media (max-width: 420px) {
  .route-document .stage-nav {
    grid-template-columns: 1fr;
  }
}