.nodes-page {
  background: var(--color-canvas);
}

.nodes-directory {
  border-top: 1px solid var(--color-line);
}

.region-links {
  display: flex;
  max-width: 100%;
  gap: 8px;
  overflow-x: auto;
  margin-bottom: 24px;
  padding: 7px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-small);
  background: var(--color-surface);
  -webkit-overflow-scrolling: touch;
}

.region-links a {
  min-height: 40px;
  flex: 0 0 auto;
  padding: 8px 18px;
  border-radius: var(--radius-small);
  color: var(--color-ink-soft);
  font-size: 13px;
  font-weight: 650;
  text-decoration: none;
}

.region-links a:hover,
.region-links a:focus-visible {
  background: var(--color-canvas);
  color: var(--color-accent);
}

.directory-note {
  display: grid;
  grid-template-columns: minmax(170px, 0.35fr) minmax(0, 1fr);
  gap: 28px;
  align-items: start;
  margin-bottom: 20px;
  padding: 20px 22px;
  border-left: 3px solid var(--color-accent);
  background: var(--color-accent-tint);
}

.directory-note span {
  color: var(--color-accent);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.11em;
}

.directory-note p {
  margin-bottom: 0;
  color: var(--color-ink-soft);
  font-size: 14px;
}

.location-table {
  min-width: 760px;
}

.location-table td:nth-child(3) {
  font-family: var(--font-mono);
  font-size: 12.5px;
}

.location-table td:last-child {
  color: var(--color-ink-soft);
}

.table-group-row {
  scroll-margin-top: var(--toc-offset);
}

.route-types {
  border-top: 1px solid var(--color-line);
  background: var(--color-surface);
}

.type-ledger {
  border-top: 1px solid var(--color-line);
}

.type-entry {
  display: grid;
  grid-template-columns: minmax(160px, 0.28fr) minmax(0, 1fr);
  border-bottom: 1px solid var(--color-line);
  background: var(--color-canvas);
}

.type-code {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 28px;
  border-right: 1px solid var(--color-line);
  background: var(--color-surface-strong);
}

.type-code span {
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
}

.type-code strong {
  margin-top: 54px;
  color: var(--color-ink);
  font-family: var(--font-mono);
  font-size: clamp(25px, 3vw, 38px);
  font-weight: 500;
  letter-spacing: 0.04em;
}

.type-copy {
  padding: clamp(28px, 5vw, 58px);
}

.type-copy h3 {
  font-family: var(--font-display);
  font-size: clamp(28px, 3vw, 40px);
  font-weight: 400;
}

.type-copy p {
  max-width: 62em;
  color: var(--color-ink-soft);
}

.type-entry-accent .type-code {
  background: linear-gradient(145deg, var(--color-encode-teal), var(--color-encode-amber));
}

.type-entry-accent .type-code span,
.type-entry-accent .type-code strong {
  color: var(--color-white);
}

.type-footnote {
  display: block;
  margin-top: 24px;
  padding-top: 17px;
  border-top: 1px solid var(--color-line);
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
}

.selection-guide {
  border-top: 1px solid var(--color-line);
}

.usage-layout {
  display: grid;
  grid-template-columns: minmax(190px, 0.3fr) minmax(0, 1fr);
  gap: clamp(30px, 5vw, 72px);
  align-items: start;
}

.usage-rail {
  position: sticky;
  top: var(--toc-offset);
  display: grid;
  border-top: 1px solid var(--color-line);
}

.usage-rail a {
  display: grid;
  grid-template-columns: 64px minmax(0, 1fr);
  gap: 12px;
  align-items: center;
  min-height: 58px;
  padding: 12px 8px;
  border-bottom: 1px solid var(--color-line);
  color: var(--color-ink);
  font-weight: 650;
  text-decoration: none;
}

.usage-rail a:hover {
  color: var(--color-accent);
}

.usage-rail span {
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.08em;
}

.usage-panels {
  border-top: 1px solid var(--color-line);
}

.usage-panel {
  scroll-margin-top: var(--toc-offset);
  padding-top: clamp(34px, 5vw, 62px);
  padding-bottom: clamp(34px, 5vw, 62px);
  border-bottom: 1px solid var(--color-line);
}

.usage-panel h3 {
  margin-top: 10px;
  font-family: var(--font-display);
  font-size: clamp(28px, 3vw, 40px);
  font-weight: 400;
}

.usage-panel p {
  max-width: 60em;
  color: var(--color-ink-soft);
}

.usage-label,
.usage-note {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.09em;
}

.usage-label {
  color: var(--color-accent);
}

.usage-note {
  display: block;
  margin-top: 23px;
  padding: 14px 17px;
  border-left: 3px solid var(--color-success);
  background: var(--color-success-tint);
  color: var(--color-success);
}

.coverage-section {
  border-top: 1px solid var(--color-line);
  background: var(--color-surface);
}

.coverage-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.8fr);
  gap: clamp(34px, 6vw, 84px);
  align-items: center;
  padding: clamp(30px, 5vw, 64px);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-large);
  background: var(--color-canvas);
}

.coverage-copy p {
  max-width: 58em;
  color: var(--color-ink-soft);
}

.region-wall {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 9px;
}

.region-wall span {
  display: flex;
  min-height: 46px;
  align-items: center;
  justify-content: flex-start;
  gap: 7px;
  padding: 9px 12px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-pill);
  background: var(--color-surface);
  color: var(--color-ink);
  font-size: 12px;
  white-space: nowrap;
}

.region-wall span:nth-child(3n + 2) {
  background: var(--color-accent-tint);
  color: var(--color-accent);
}

.coverage-actions {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 30px;
  align-items: center;
  margin-top: 20px;
  padding: 28px 30px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-medium);
  background: var(--color-surface-strong);
}

.coverage-actions h3 {
  margin-bottom: 6px;
  font-size: 21px;
}

.coverage-actions p {
  margin-bottom: 0;
  color: var(--color-ink-soft);
  font-size: 14px;
}

@media (max-width: 980px) {
  .usage-layout {
    grid-template-columns: 1fr;
  }

  .usage-rail {
    position: static;
    display: flex;
    max-width: 100%;
    overflow-x: auto;
    border: 1px solid var(--color-line);
    border-radius: var(--radius-small);
    background: var(--color-canvas);
    -webkit-overflow-scrolling: touch;
  }

  .usage-rail a {
    min-width: 150px;
    flex: 0 0 auto;
    border-right: 1px solid var(--color-line);
    border-bottom: 0;
  }

  .coverage-panel {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 760px) {
  .directory-note {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .type-entry {
    grid-template-columns: 1fr;
  }

  .type-code {
    min-height: 104px;
    border-right: 0;
    border-bottom: 1px solid var(--color-line);
  }

  .type-code strong {
    margin-top: 18px;
  }

  .region-wall {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .coverage-actions {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .region-wall {
    grid-template-columns: 1fr;
  }

  .region-wall span {
    white-space: normal;
  }

  .coverage-panel,
  .coverage-actions {
    padding: 22px;
  }

  .type-code,
  .type-copy {
    padding: 22px;
  }
}