/* ============================================================
   Stratus Strata — documentation reader
   Design-system styling for the docs hub + book reader:
   Bricolage display / Hanken body / Spline Sans Mono code,
   cloud paper, hairlines + altitude shadows, dc teal accent.
   Loads on top of tokens.css.
   ============================================================ */

* {
  box-sizing: border-box;
}
html,
body {
  margin: 0;
  padding: 0;
}
body.stratus-docs-page {
  background: var(--surface-page);
}

.sd-container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-pad);
}
.sd-sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ---------- Top bar ---------- */
.sd-nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.78);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line-hairline);
}
.sd-nav-inner {
  height: var(--nav-height);
  display: flex;
  align-items: center;
  gap: 24px;
}
.sd-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  flex: none;
}
.sd-brand-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 18px;
  letter-spacing: -0.02em;
  color: var(--ink-900);
  white-space: nowrap;
}
.sd-brand-name span {
  font-weight: 400;
  color: var(--text-muted);
}
.sd-nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: auto;
}
.sd-nav-links a {
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--ink-800);
  text-decoration: none;
  padding: 8px 12px;
  border-radius: var(--radius-md);
  transition: var(--transition-hover);
}
.sd-nav-links a:hover {
  background: var(--surface-sunken);
  color: var(--ink-900);
}

/* ---------- Search ---------- */
.sd-search {
  position: relative;
  flex: 1;
  max-width: 420px;
}
.sd-search-form {
  position: relative;
  display: flex;
  align-items: center;
}
.sd-search-icon {
  position: absolute;
  left: 12px;
  color: var(--text-faint);
  pointer-events: none;
}
.sd-search-input {
  width: 100%;
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: var(--ink-900);
  background: var(--cloud-0);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-md);
  padding: 8px 36px 8px 36px;
  transition: var(--transition-hover);
}
.sd-search-input:hover {
  border-color: var(--cloud-400);
}
.sd-search-input:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring);
  border-color: var(--sky-500);
}
.sd-search-clear {
  position: absolute;
  right: 8px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  border: none;
  background: var(--cloud-100);
  color: var(--cloud-600);
  border-radius: 50%;
  cursor: pointer;
  transition: var(--transition-hover);
}
.sd-search-clear:hover {
  background: var(--cloud-200);
  color: var(--ink-800);
}
.sd-search-results {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  right: 0;
  z-index: 60;
  background: var(--surface-card);
  border: 1px solid var(--line-hairline);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-overlay);
  padding: 6px;
  max-height: 420px;
  overflow-y: auto;
}
.sd-search-hit {
  display: block;
  padding: 10px 12px;
  border-radius: var(--radius-md);
  text-decoration: none;
  cursor: pointer;
}
.sd-search-hit:hover,
.sd-search-hit.is-selected {
  background: var(--surface-sunken);
}
.sd-search-hit-title {
  display: block;
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  color: var(--ink-900);
}
.sd-search-hit-meta {
  display: block;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--dc-600);
  margin-top: 2px;
}
.sd-search-hit-excerpt {
  display: block;
  font-size: var(--text-xs);
  color: var(--text-muted);
  margin-top: 3px;
  line-height: 1.5;
}
.sd-search-hit-excerpt mark {
  background: var(--sky-100);
  color: inherit;
  border-radius: 2px;
  padding: 0 1px;
}
.sd-search-empty {
  padding: 14px 12px;
  font-size: var(--text-sm);
  color: var(--text-muted);
}

/* ---------- Hub ---------- */
.sd-hub {
  position: relative;
  padding-top: var(--space-10);
  padding-bottom: var(--space-12);
}
.sd-hub-strata {
  position: absolute;
  inset: 0;
  pointer-events: none;
}
.sd-hub-strata span {
  position: absolute;
  border-radius: 999px;
}
.sd-eyebrow {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: var(--tracking-eyebrow);
  text-transform: uppercase;
  font-weight: var(--weight-medium);
  color: var(--dc-600);
  margin-bottom: 14px;
}
.sd-hub h1 {
  position: relative;
  font-family: var(--font-display);
  font-weight: var(--weight-display);
  font-size: var(--text-4xl);
  line-height: var(--leading-display);
  letter-spacing: var(--tracking-display);
  color: var(--text-display);
  margin: 0 0 16px;
  max-width: 640px;
  text-wrap: pretty;
}
.sd-hub-lead {
  position: relative;
  font-size: var(--text-md);
  line-height: var(--leading-body);
  color: var(--text-muted);
  max-width: 560px;
  margin: 0 0 32px;
}
.sd-hub-search {
  position: relative;
  max-width: 480px;
  margin-bottom: 48px;
}
.sd-hub-grid {
  position: relative;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 380px));
  gap: 20px;
}
.sd-hub-card {
  position: relative;
  overflow: hidden;
  display: block;
  background: var(--surface-card);
  border: 1px solid var(--line-hairline);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-raised);
  padding: 32px;
  text-decoration: none;
  transition: var(--transition-hover);
}
.sd-hub-card:hover {
  box-shadow: var(--shadow-floating);
  transform: translateY(-3px);
}
.sd-hub-card-band {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 6px;
  background: var(--dc-500);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--dur-3) var(--ease-out-soft);
}
.sd-hub-card:hover .sd-hub-card-band {
  transform: scaleX(1);
}
.sd-hub-card-band--fp {
  background: var(--fp-500);
}
.sd-hub-card:has(.sd-hub-card-band--fp) .sd-hub-card-chip {
  background: var(--fp-100);
  color: var(--fp-600);
}
.sd-hub-card-chip {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: var(--dc-100);
  color: var(--dc-600);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}
.sd-hub-card h2 {
  font-family: var(--font-display);
  font-weight: var(--weight-display);
  font-size: var(--text-xl);
  letter-spacing: var(--tracking-heading);
  color: var(--text-display);
  margin: 0 0 8px;
}
.sd-hub-card p {
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--text-muted);
  margin: 0 0 20px;
}
.sd-hub-card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  color: var(--dc-700);
}
.sd-hub-card-link svg {
  transition: transform var(--dur-2) var(--ease-out-soft);
}
.sd-hub-card:hover .sd-hub-card-link svg {
  transform: translateX(3px);
}

/* ---------- Reader layout ---------- */
.sd-layout {
  display: grid;
  grid-template-columns: 264px minmax(0, 1fr);
  gap: 48px;
  align-items: start;
  padding-top: var(--space-7);
  padding-bottom: var(--space-11);
}
.sd-sidebar {
  position: sticky;
  top: calc(var(--nav-height) + 24px);
  max-height: calc(100vh - var(--nav-height) - 48px);
  overflow-y: auto;
  padding-right: 8px;
}
.sd-book-title {
  font-family: var(--font-display);
  font-weight: var(--weight-semibold);
  font-size: var(--text-base);
  color: var(--text-display);
  margin: 0 0 18px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line-hairline);
}
.sd-chapter {
  margin-bottom: 22px;
}
.sd-chapter-title {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: var(--tracking-eyebrow);
  text-transform: uppercase;
  font-weight: var(--weight-medium);
  color: var(--text-faint);
  margin: 0 0 6px;
}
.sd-page-list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.sd-page-list a {
  display: block;
  font-size: var(--text-sm);
  color: var(--cloud-600);
  text-decoration: none;
  padding: 6px 10px;
  border-radius: var(--radius-sm);
  border-left: 2px solid transparent;
  transition: var(--transition-hover);
  line-height: var(--leading-tight);
}
.sd-page-list a:hover {
  background: var(--surface-sunken);
  color: var(--ink-900);
}
.sd-page-list a.is-active {
  color: var(--dc-700);
  font-weight: var(--weight-semibold);
  background: var(--dc-100);
  border-left-color: var(--dc-500);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

/* ---------- Article ---------- */
.sd-article {
  background: var(--surface-card);
  border: 1px solid var(--line-hairline);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-raised);
  padding: 48px 56px 40px;
  min-width: 0;
}
.sd-breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.06em;
  color: var(--text-faint);
  margin-bottom: 18px;
}
.sd-breadcrumb a {
  color: var(--dc-600);
  text-decoration: none;
}
.sd-breadcrumb a:hover {
  text-decoration: underline;
}
.sd-breadcrumb-sep {
  color: var(--cloud-300);
}
.sd-page-heading {
  font-family: var(--font-display);
  font-weight: var(--weight-display);
  font-size: var(--text-3xl);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  color: var(--text-display);
  margin: 0 0 24px;
  padding-bottom: 22px;
  border-bottom: 1px solid var(--line-hairline);
  text-wrap: pretty;
}

.sd-content {
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--text-body);
}
.sd-content h2 {
  font-family: var(--font-display);
  font-weight: var(--weight-semibold);
  font-size: var(--text-2xl);
  letter-spacing: var(--tracking-heading);
  line-height: var(--leading-heading);
  color: var(--text-display);
  margin: 40px 0 14px;
}
.sd-content h3 {
  font-family: var(--font-display);
  font-weight: var(--weight-semibold);
  font-size: var(--text-lg);
  letter-spacing: var(--tracking-heading);
  color: var(--text-display);
  margin: 30px 0 10px;
}
.sd-content p {
  margin: 0 0 16px;
}
.sd-content a {
  color: var(--text-link);
  text-decoration: none;
}
.sd-content a:hover {
  text-decoration: underline;
}
.sd-content ul,
.sd-content ol {
  margin: 0 0 16px;
  padding-left: 24px;
}
.sd-content li {
  margin-bottom: 6px;
}
.sd-content li::marker {
  color: var(--dc-500);
}
.sd-content strong {
  color: var(--ink-900);
}
.sd-content code {
  font-family: var(--font-mono);
  font-size: 0.86em;
  background: var(--surface-sunken);
  border-radius: var(--radius-xs);
  padding: 1px 6px;
  color: var(--ink-800);
}
.sd-content pre {
  background: var(--ink-900);
  color: var(--cloud-100);
  border-radius: var(--radius-md);
  padding: 18px 20px;
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  line-height: 1.6;
  margin: 0 0 18px;
}
.sd-content pre code {
  background: none;
  padding: 0;
  color: inherit;
}
.sd-content blockquote {
  margin: 0 0 18px;
  padding: 14px 18px;
  background: var(--dc-100);
  border: 1px solid var(--line-hairline);
  border-radius: var(--radius-md);
  color: var(--ink-800);
}
.sd-content blockquote p:last-child {
  margin-bottom: 0;
}
.sd-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 0 0 20px;
  font-size: var(--text-sm);
}
.sd-content th {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: var(--weight-medium);
  color: var(--text-faint);
  text-align: left;
  padding: 8px 12px;
  border-bottom: 1px solid var(--line-strong);
}
.sd-content td {
  padding: 9px 12px;
  border-bottom: 1px solid var(--line-soft);
  vertical-align: top;
}
.sd-content tr:hover td {
  background: var(--cloud-25);
}
.sd-content img {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-md);
  border: 1px solid var(--line-hairline);
  box-shadow: var(--shadow-raised);
}
.sd-content hr {
  border: none;
  border-top: 1px solid var(--line-hairline);
  margin: 28px 0;
}

/* ---------- Pager ---------- */
.sd-pager {
  display: flex;
  gap: 16px;
  margin-top: 40px;
  padding-top: 24px;
  border-top: 1px solid var(--line-hairline);
}
.sd-pager a {
  flex: 1;
  display: block;
  text-decoration: none;
  background: var(--cloud-25);
  border: 1px solid var(--line-hairline);
  border-radius: var(--radius-md);
  padding: 14px 18px;
  font-family: var(--font-display);
  font-weight: var(--weight-semibold);
  font-size: var(--text-sm);
  color: var(--ink-900);
  transition: var(--transition-hover);
}
.sd-pager a:hover {
  border-color: var(--cloud-400);
  box-shadow: var(--shadow-raised);
  transform: translateY(-1px);
}
.sd-pager-next {
  text-align: right;
  margin-left: auto;
}
.sd-pager-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: var(--tracking-eyebrow);
  text-transform: uppercase;
  font-weight: var(--weight-medium);
  color: var(--dc-600);
  margin-bottom: 4px;
}

/* ---------- Mobile ---------- */
.sd-mobile-toggle {
  display: none;
  align-items: center;
  gap: 8px;
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  color: var(--ink-800);
  background: var(--cloud-0);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-md);
  padding: 7px 12px;
  cursor: pointer;
}
@media (max-width: 900px) {
  .sd-layout {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .sd-sidebar {
    position: static;
    max-height: none;
    display: none;
    background: var(--surface-card);
    border: 1px solid var(--line-hairline);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-raised);
    padding: 20px;
  }
  .is-sidebar-open .sd-sidebar {
    display: block;
  }
  .sd-mobile-toggle {
    display: inline-flex;
  }
  .sd-article {
    padding: 28px 22px;
  }
  .sd-nav-inner {
    gap: 12px;
  }
  .sd-search {
    max-width: none;
  }
  .sd-nav-links {
    display: none;
  }
}

/* ---------- Doc content components (fragments vocabulary) ---------- */

/* Callouts — tinted cards, hairline + tokens, no left-border accents */
.sd-content .callout {
  padding: 14px 18px;
  border-radius: var(--radius-md);
  border: 1px solid var(--line-hairline);
  margin: 0 0 18px;
  font-size: var(--text-sm);
  line-height: var(--leading-body);
}
.sd-content .callout.info {
  background: var(--sky-50);
  color: var(--sky-900);
}
.sd-content .callout.success {
  background: var(--success-100);
  color: var(--success-700);
}
.sd-content .callout.warning {
  background: var(--warning-100);
  color: var(--warning-700);
}
.sd-content .callout.danger {
  background: var(--danger-100);
  color: var(--danger-700);
}
.sd-content .callout p:last-child {
  margin-bottom: 0;
}

/* Collapsible folds */
.sd-content details.doc-fold {
  border: 1px solid var(--line-hairline);
  border-radius: var(--radius-md);
  background: var(--cloud-25);
  margin: 0 0 14px;
  overflow: hidden;
}
.sd-content details.doc-fold[open] {
  background: var(--cloud-0);
  box-shadow: var(--shadow-ground);
}
.sd-content details.doc-fold summary {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-display);
  font-weight: var(--weight-semibold);
  font-size: var(--text-sm);
  color: var(--ink-900);
  padding: 12px 16px;
  transition: var(--transition-hover);
}
.sd-content details.doc-fold summary::-webkit-details-marker {
  display: none;
}
.sd-content details.doc-fold summary::before {
  content: "";
  width: 7px;
  height: 7px;
  flex: none;
  border-right: 1.75px solid var(--dc-600);
  border-bottom: 1.75px solid var(--dc-600);
  transform: rotate(-45deg);
  transition: transform var(--dur-2) var(--ease-out-soft);
}
.sd-content details.doc-fold[open] summary::before {
  transform: rotate(45deg);
}
.sd-content details.doc-fold summary:hover {
  background: var(--surface-sunken);
}
.sd-content details.doc-fold summary:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring);
}
.sd-content details.doc-fold .doc-fold-body {
  padding: 4px 16px 14px;
}
.sd-content details.doc-fold .doc-fold-body > :first-child {
  margin-top: 8px;
}
.sd-content details.doc-fold .doc-fold-body > :last-child {
  margin-bottom: 0;
}

/* Checklists — numbered for <ol>, check-marked for <ul> */
.sd-content .doc-checklist {
  counter-reset: doc-checklist;
  list-style: none;
  padding-left: 0;
  margin: 0 0 18px;
}
.sd-content .doc-checklist li {
  counter-increment: doc-checklist;
  position: relative;
  padding: 0 0 12px 40px;
  margin: 0 0 2px;
}
.sd-content .doc-checklist li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 0;
  width: 26px;
  height: 26px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--dc-100);
  color: var(--dc-700);
  border-radius: 50%;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
}
.sd-content ol.doc-checklist li::before {
  content: counter(doc-checklist);
}
.sd-content .doc-checklist strong {
  color: var(--ink-900);
}

/* Detail grid + cards */
.sd-content .doc-detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin: 0 0 18px;
}
.sd-content .doc-detail-card {
  background: var(--cloud-25);
  border: 1px solid var(--line-hairline);
  border-radius: var(--radius-md);
  padding: 16px 18px;
}
.sd-content .doc-detail-card h3,
.sd-content .doc-detail-card h4 {
  margin: 0 0 8px;
  font-size: var(--text-base);
}
.sd-content .doc-detail-card p {
  font-size: var(--text-sm);
  margin-bottom: 8px;
}
.sd-content .doc-detail-card p:last-child,
.sd-content .doc-detail-card ul:last-child {
  margin-bottom: 0;
}
.sd-content .doc-detail-card .doc-checklist li {
  padding-bottom: 8px;
}

/* Fact lists (dl) */
.sd-content .doc-fact-list {
  margin: 0 0 18px;
  border: 1px solid var(--line-hairline);
  border-radius: var(--radius-md);
  overflow: hidden;
}
.sd-content .doc-fact {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 12px;
  padding: 10px 16px;
  border-bottom: 1px solid var(--line-soft);
  background: var(--cloud-0);
}
.sd-content .doc-fact:last-child {
  border-bottom: none;
}
.sd-content .doc-fact:nth-child(odd) {
  background: var(--cloud-25);
}
.sd-content .doc-fact dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-weight: var(--weight-medium);
  color: var(--dc-700);
  padding-top: 2px;
}
.sd-content .doc-fact dd {
  margin: 0;
  font-size: var(--text-sm);
}

/* Note cards */
.sd-content .doc-note-card {
  background: var(--sky-50);
  border: 1px solid var(--line-hairline);
  border-radius: var(--radius-md);
  padding: 14px 18px;
  margin: 0 0 16px;
  font-size: var(--text-sm);
}
.sd-content .doc-note-card.warning {
  background: var(--warning-100);
  color: var(--warning-700);
}
.sd-content .doc-note-card > :last-child {
  margin-bottom: 0;
}

/* Badges */
.sd-content .doc-badge-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 16px;
}
.sd-content .doc-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-weight: var(--weight-medium);
  padding: 3px 10px;
  border-radius: var(--radius-pill);
  background: var(--cloud-100);
  color: var(--cloud-700);
}
.sd-content .doc-badge.safe {
  background: var(--success-100);
  color: var(--success-700);
}
.sd-content .doc-badge.warn {
  background: var(--warning-100);
  color: var(--warning-700);
}

/* Timeline */
.sd-content .doc-timeline {
  position: relative;
  margin: 0 0 22px;
  padding-left: 8px;
}
.sd-content .doc-timeline::before {
  content: "";
  position: absolute;
  left: 21px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: var(--cloud-200);
  border-radius: 2px;
}
.sd-content .doc-timeline-step {
  position: relative;
  display: flex;
  gap: 16px;
  padding: 0 0 18px;
}
.sd-content .doc-timeline-number {
  position: relative;
  z-index: 1;
  flex: none;
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--dc-500);
  color: var(--cloud-0);
  border-radius: 50%;
  font-family: var(--font-mono);
  font-size: 12.5px;
  font-weight: 600;
  box-shadow: 0 0 0 4px var(--surface-card);
}
.sd-content .doc-timeline-card {
  flex: 1;
  background: var(--cloud-25);
  border: 1px solid var(--line-hairline);
  border-radius: var(--radius-md);
  padding: 14px 18px;
  min-width: 0;
}
.sd-content .doc-timeline-card h2,
.sd-content .doc-timeline-card h3 {
  margin: 0 0 6px;
  font-size: var(--text-base);
}
.sd-content .doc-timeline-card p {
  font-size: var(--text-sm);
  margin-bottom: 8px;
}
.sd-content .doc-timeline-card p:last-child {
  margin-bottom: 0;
}
.sd-content .doc-timeline-card strong {
  color: var(--ink-900);
}

/* Financial Planner book — fp accent overrides dc defaults */
.stratus-docs-fp .sd-page-list a.is-active {
  color: var(--fp-700);
  background: var(--fp-100);
  border-left-color: var(--fp-500);
}
.stratus-docs-fp .sd-breadcrumb a {
  color: var(--fp-600);
}
.stratus-docs-fp .sd-content li::marker {
  color: var(--fp-500);
}
.stratus-docs-fp .sd-content .doc-timeline-number {
  background: var(--fp-500);
}
.stratus-docs-fp .sd-content .doc-fact dt {
  color: var(--fp-700);
}
.stratus-docs-fp .sd-search-hit-meta {
  color: var(--fp-600);
}

/* Book reading progress */
.sd-book-progress {
  display: flex;
  align-items: center;
  gap: 14px;
  margin: 0 0 20px;
}
.sd-book-progress-track {
  flex: 1;
  height: 4px;
  background: var(--cloud-200);
  border-radius: var(--radius-pill);
  overflow: hidden;
}
.sd-book-progress-fill {
  height: 100%;
  background: var(--dc-500);
  border-radius: var(--radius-pill);
  transition: width var(--dur-3) var(--ease-out-soft);
}
.stratus-docs-fp .sd-book-progress-fill {
  background: linear-gradient(90deg, var(--fp-500), var(--fp-400));
}
.sd-book-progress-text {
  flex: none;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-faint);
  white-space: nowrap;
}

@media (max-width: 700px) {
  .sd-content .doc-detail-grid {
    grid-template-columns: 1fr;
  }
  .sd-content .doc-fact {
    grid-template-columns: 1fr;
    gap: 2px;
  }
}

/* ---- Live UI demo embeds (Data Cleanser snippets) ----------------------- */
.sd-content .doc-demo {
  margin: 0 0 24px;
  border: 1px solid var(--line-hairline);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--surface-sunken);
  box-shadow: var(--shadow-ground);
}
.sd-content .doc-demo-frame {
  display: block;
  width: 100%;
  height: 150px; /* pre-load fallback; the sizer script overrides this to fit content */
  border: 0;
  background: var(--cloud-0);
}
.sd-content .doc-demo-caption {
  margin: 0;
  padding: 10px 16px;
  font-size: var(--text-sm);
  color: var(--text-muted);
  background: var(--cloud-0);
  border-top: 1px solid var(--line-hairline);
}