/* Public /system-design pages — built on the landing page's visual language
   (tokens, grid-bg + glow, eyebrow pills, gradient headline) so a page found
   via Google looks like the same product as prismhld.com, not a docs template. */

/* These pages use app_navbar.html without also loading evaluate/interview-mode.css,
   so that file's default #im-toolbar { display: none } never applies here — the
   live-interview toolbar markup would render unstyled and visible. Same fix
   pricing.css and roadmap-main.css apply for the same reason. */
#im-toolbar { display: none !important; }

/* base/style.css's `body { overflow: hidden; height: var(--vh) }` locks the
   page to exactly one viewport height with no scroll — correct for the canvas
   app's fixed-viewport shell, but these are long-form content pages that need
   normal page scroll. `.lp-body` only overrides overflow-x, so overflow-y and
   height still leak through unless explicitly reset here. */
.seo-body {
  height: auto;
  overflow: visible;
}

/* .an-toolbar is `position: sticky` by default, which is correct for the canvas
   app's single fixed-viewport shell. On these long-form pages that scroll
   normally, sticky visually detaches from the top during trackpad/momentum
   overscroll on macOS (a well-known sticky-position quirk) — a gap of page
   content briefly shows above the bar. `fixed` has no such gap, ever, at the
   cost of needing to reserve its height as top padding on the content below. */
.seo-body .an-toolbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
}
.seo-body .seo-main {
  padding-top: var(--topbar-height, 65px);
}

.seo-main {
  position: relative;
  padding-bottom: 4rem;
  background:
    radial-gradient(ellipse 1100px 520px at 50% -40px, rgba(59,130,246,0.16) 0%, transparent 65%),
    linear-gradient(rgba(56,189,248,0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(56,189,248,0.035) 1px, transparent 1px);
  background-size: auto, 48px 48px, 48px 48px;
  background-position: 0 0, center top, center top;
  background-repeat: no-repeat, repeat, repeat;
}

.seo-article {
  position: relative;
  max-width: 800px;
  font-size: 1.0625rem;
  line-height: 1.75;
  color: var(--lp-text);
}
.seo-article--wide { max-width: 1220px; }

/* Interview prep + hub + concept ("design guide") pages: fall in line with the
   app's own --fs-* scale instead of the bespoke sizes above, per text type —
   section/card titles at --fs-lg, body copy at --fs-md, secondary/meta text
   at --fs-sm. The hero <h1> keeps its own large clamp() size — it's a one-off
   headline, not a repeating "title" in this content, and would look broken
   shrunk to the app's dense UI scale. */
.seo-article--guide { font-size: var(--fs-md); }
.seo-article--guide h2,
.seo-article--guide h3,
.seo-article--guide h4 { font-size: var(--fs-lg); }
.seo-article--guide .seo-lede { font-size: var(--fs-lg); }
.seo-article--guide .seo-label,
.seo-article--guide .seo-eyebrow,
.seo-article--guide .seo-prompt,
.seo-article--guide .seo-section-intro,
.seo-article--guide .seo-table,
.seo-article--guide .seo-card-desc,
.seo-article--guide .seo-insight-body p,
.seo-article--guide .seo-stat-strip span,
.seo-article--guide .seo-chip-list a { font-size: var(--fs-sm); }

.seo-article h1 {
  font-size: clamp(2.1rem, 4.5vw, 3rem);
  line-height: 1.12;
  letter-spacing: -0.02em;
  font-weight: 800;
  background: linear-gradient(100deg, #f8fafc 0%, #f8fafc 55%, var(--lp-cyan) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin: 0.4rem 0 1rem;
}
.seo-article h2 {
  font-size: clamp(1.45rem, 3vw, 1.85rem);
  line-height: 1.25;
  font-weight: 750;
  color: #fff;
  margin: 3rem 0 1rem;
  scroll-margin-top: 110px;
}
.seo-article h3 {
  font-size: 1.2rem;
  line-height: 1.35;
  font-weight: 700;
  color: #f1f5f9;
  margin: 1.75rem 0 0.5rem;
}
.seo-article h4 {
  font-size: 1.05rem;
  font-weight: 700;
  color: #e2e8f0;
  margin: 1.5rem 0 0.4rem;
}
.seo-article p { margin: 0 0 1rem; }
.seo-article ul,
.seo-article ol { margin: 0 0 1.25rem; padding-left: 1.4rem; }
.seo-article li { margin-bottom: 0.45rem; }
.seo-article a { color: var(--lp-cyan); text-underline-offset: 3px; }
.seo-article a:hover { color: #7dd3fc; }
.seo-article strong { color: #fff; }
.seo-article code {
  font-family: var(--lp-mono);
  font-size: 0.9em;
  background: rgba(148, 163, 184, 0.12);
  padding: 0.1em 0.35em;
  border-radius: 4px;
}
.seo-article section { scroll-margin-top: 110px; }

/* Breadcrumbs share the article column so they line up with the H1 */
.seo-main .seo-breadcrumbs { position: relative; max-width: 800px; padding-top: 1.75rem; }
.seo-main:has(.seo-article--wide) .seo-breadcrumbs { max-width: 1220px; }
.seo-breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  list-style: none;
  margin: 0;
  padding: 0;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--lp-text-dim);
}
.seo-breadcrumbs li + li::before { content: "›"; margin-right: 0.35rem; opacity: 0.6; }
.seo-breadcrumbs a { color: var(--lp-text-dim); text-decoration: none; }
.seo-breadcrumbs a:hover { color: var(--lp-cyan); }
.seo-breadcrumbs [aria-current] { color: var(--lp-text); }

/* Hero */
.seo-hero { position: relative; padding: 1.75rem 0 1.75rem; border-bottom: 1px solid var(--lp-border-dim); }

.seo-eyebrow {
  display: inline-flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.55rem;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--lp-cyan);
  background: rgba(56, 189, 248, 0.08);
  border: 1px solid rgba(56, 189, 248, 0.22);
  padding: 0.35rem 0.85rem;
  border-radius: 100px;
  margin: 0 0 1rem;
}
.seo-eyebrow::before {
  content: "";
  width: 6px;
  height: 6px;
  flex-shrink: 0;
  border-radius: 50%;
  background: var(--lp-ok-green);
  box-shadow: 0 0 6px var(--lp-ok-green);
}
.seo-lede { font-size: 1.15rem; color: #b9cbe8; }
.seo-pill {
  display: inline-block;
  padding: 0.18rem 0.7rem;
  border-radius: 99px;
  font-weight: 700;
  font-size: 0.72rem;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  border: 1px solid currentColor;
}
.seo-pill--beginner     { color: var(--lp-ok-green); background: rgba(52, 211, 153, 0.1); }
.seo-pill--intermediate { color: var(--lp-warn-yellow); background: var(--lp-warn-yellow-bg); }
.seo-pill--advanced     { color: var(--lp-fail-red); background: var(--lp-fail-red-bg); }

/* Buttons — reuse the landing page's glow treatment */
.seo-cta-row { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-top: 1.25rem; }
.seo-article .seo-btn {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0.7rem 1.4rem;
  border-radius: 8px;
  border: 1px solid var(--lp-border-dim);
  background: rgba(255, 255, 255, 0.05);
  color: var(--lp-text);
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none;
  transition: border-color 0.18s, background 0.18s, color 0.18s, transform 0.18s, box-shadow 0.18s;
}
.seo-article .seo-btn:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(56, 189, 248, 0.3);
  color: var(--lp-cyan);
}
.seo-article .seo-btn--primary {
  background: var(--lp-primary);
  border-color: var(--lp-primary);
  color: #fff;
  box-shadow: 0 0 20px var(--lp-primary-glow);
}
.seo-article .seo-btn--primary:hover {
  background: #2563eb;
  color: #fff;
  box-shadow: 0 0 30px rgba(59, 130, 246, 0.5);
  transform: translateY(-1px);
}

/* Table of contents */
.seo-toc {
  position: relative;
  margin: 1.75rem 0 0;
  padding: 1.1rem 1.35rem;
  border: 1px solid var(--lp-border);
  border-radius: var(--lp-radius);
  background: linear-gradient(160deg, rgba(59, 130, 246, 0.07), rgba(19, 32, 53, 0.65));
  box-shadow: 0 0 40px rgba(59, 130, 246, 0.05);
}
.seo-toc ol { list-style: none; margin: 0; padding: 0; columns: 2; column-gap: 2rem; }
.seo-toc li {
  counter-increment: seo-toc;
  break-inside: avoid;
  font-size: 0.95rem;
  margin-bottom: 0.5rem;
  padding-left: 1.65rem;
  position: relative;
}
.seo-toc ol { counter-reset: seo-toc; }
.seo-toc li::before {
  content: counter(seo-toc);
  position: absolute;
  left: 0;
  top: 0.05em;
  width: 1.25rem;
  height: 1.25rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.68rem;
  font-weight: 700;
  color: var(--lp-cyan);
  background: rgba(56, 189, 248, 0.12);
  border-radius: 50%;
}
.seo-label {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--lp-cyan);
  margin: 0 0 0.4rem !important;
}
.seo-lock {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: 0.68rem;
  font-weight: 700;
  padding: 0 0.4rem;
  border-radius: 4px;
  border: 1px solid rgba(251, 191, 36, 0.5);
  color: #fbbf24;
}

/* Stages, components, tables */
.seo-stages { list-style: none; padding-left: 0 !important; }
.seo-stages > li {
  border-left: 2px solid rgba(56, 189, 248, 0.4);
  padding: 0.1rem 0 0.4rem 1.1rem;
  margin-bottom: 1rem;
  position: relative;
}
.seo-stages > li::before {
  content: "";
  position: absolute;
  left: -5px;
  top: 0.55rem;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--lp-cyan);
  box-shadow: 0 0 8px rgba(56, 189, 248, 0.7);
}
.seo-stages > li h3 { margin-top: 0.4rem; }
.seo-qualities {
  display: grid;
  grid-template-columns: max-content 1fr;
  gap: 0.25rem 1rem;
  font-size: 0.95rem;
  margin: 0 0 0.5rem;
}
.seo-qualities dt { color: var(--lp-cyan); font-weight: 600; }
.seo-qualities dd { margin: 0; }

.seo-components { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 1rem; }
.seo-component {
  padding: 1rem 1.1rem;
  border: 1px solid var(--lp-border);
  border-radius: var(--lp-radius);
  background: rgba(19, 32, 53, 0.55);
  font-size: 0.97rem;
  transition: border-color 0.18s, transform 0.18s, box-shadow 0.18s;
}
.seo-component:hover {
  border-color: rgba(56, 189, 248, 0.35);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(2, 6, 23, 0.35);
}
.seo-component h3 { margin-top: 0; color: var(--lp-cyan); }
.seo-prompt { font-style: italic; color: var(--lp-text-muted); }

/* Insight cards — numbered-badge card grid used for rubrics / checklists
   (interview-prep "what's scored" / "common mistakes") instead of a plain
   bullet list. Reuses the same counter-circle look as the table of contents. */
.seo-insight-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1rem;
  list-style: none;
  padding: 0 !important;
  margin: 0 0 1.5rem !important;
}
.seo-insight-card {
  display: flex;
  gap: 0.9rem;
  padding: 1.1rem 1.2rem;
  border: 1px solid var(--lp-border);
  border-radius: var(--lp-radius);
  background: rgba(19, 32, 53, 0.55);
  margin: 0 !important;
  transition: border-color 0.18s, transform 0.18s, box-shadow 0.18s;
}
.seo-insight-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(2, 6, 23, 0.35);
}
.seo-insight-badge {
  flex-shrink: 0;
  width: 2.15rem;
  height: 2.15rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.95rem;
}
.seo-insight-card--score { border-color: var(--lp-border); }
.seo-insight-card--score:hover { border-color: rgba(56, 189, 248, 0.4); }
.seo-insight-card--score .seo-insight-badge {
  background: rgba(56, 189, 248, 0.14);
  color: var(--lp-cyan);
  border: 1px solid rgba(56, 189, 248, 0.3);
}
.seo-insight-card--warn:hover { border-color: rgba(248, 113, 113, 0.4); }
.seo-insight-card--warn .seo-insight-badge {
  background: var(--lp-fail-red-bg);
  color: var(--lp-fail-red);
  border: 1px solid rgba(248, 113, 113, 0.3);
}
.seo-insight-body h3 { margin: 0 0 0.3rem; font-size: 1rem; }
.seo-insight-body p { margin: 0; color: var(--lp-text-muted); }

/* Week badge — small pill above each "Week N" heading in the study plan */
.seo-week-badge {
  display: inline-flex;
  align-items: center;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--lp-cyan);
  background: rgba(56, 189, 248, 0.1);
  border: 1px solid rgba(56, 189, 248, 0.25);
  padding: 0.2rem 0.7rem;
  border-radius: 100px;
  margin-bottom: 0.6rem;
}

/* Chip list — practice-question links as pills instead of a plain <ul><li><a> */
.seo-chip-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  list-style: none;
  padding: 0 !important;
  margin: 0 0 1.75rem !important;
}
.seo-chip-list li { margin: 0 !important; }
.seo-chip-list a {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.5rem 1rem;
  border: 1px solid var(--lp-border);
  border-radius: 100px;
  background: rgba(19, 32, 53, 0.55);
  color: var(--lp-text);
  font-size: 0.88rem;
  font-weight: 600;
  text-decoration: none;
  transition: border-color 0.18s, background 0.18s, color 0.18s, transform 0.18s;
}
.seo-chip-list a:hover {
  border-color: rgba(56, 189, 248, 0.4);
  background: rgba(56, 189, 248, 0.08);
  color: var(--lp-cyan);
  transform: translateY(-1px);
}
.seo-chip-list a::after {
  content: "→";
  font-weight: 700;
  opacity: 0.55;
}

/* Stat strip — quick visual anchor under a hero (hub page) */
.seo-stat-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
  margin: 1.75rem 0 0;
}
.seo-stat-strip div { display: flex; flex-direction: column; gap: 0.15rem; }
.seo-stat-strip strong { font-size: 1.6rem; font-weight: 800; color: #fff; line-height: 1; }
.seo-stat-strip span { font-size: 0.82rem; color: var(--lp-text-dim); }

.seo-table-wrap { overflow-x: auto; margin: 0 0 1.25rem; -webkit-overflow-scrolling: touch; border-radius: var(--lp-radius); }
.seo-table { width: 100%; border-collapse: collapse; font-size: 0.95rem; }
.seo-table th,
.seo-table td {
  text-align: left;
  vertical-align: top;
  padding: 0.65rem 0.85rem;
  border-bottom: 1px solid var(--lp-border-dim);
}
.seo-table thead th { color: var(--lp-cyan); font-weight: 700; white-space: nowrap; background: rgba(56, 189, 248, 0.06); }
.seo-table tbody th { color: #fff; font-weight: 600; min-width: 9rem; background: rgba(56, 189, 248, 0.04); }

.seo-defs dt { font-weight: 700; color: var(--lp-cyan); margin-top: 0.9rem; }
.seo-defs dd { margin: 0.2rem 0 0; }

.seo-quiz {
  margin: 0 0 0.75rem;
  padding: 0.85rem 1.1rem;
  border: 1px solid var(--lp-border-dim);
  border-radius: 10px;
  background: rgba(19, 32, 53, 0.4);
}
.seo-quiz summary { cursor: pointer; font-weight: 600; }
.seo-quiz ol { margin-top: 0.6rem; }
.seo-quiz .is-correct { color: var(--lp-ok-green); font-weight: 600; }

.seo-block--interview {
  padding: 1rem 1.25rem;
  border-radius: var(--lp-radius);
  background: rgba(59, 130, 246, 0.09);
  border: 1px solid rgba(59, 130, 246, 0.28);
}
.seo-section-intro { color: var(--lp-text-muted); }
.seo-lesson-section.is-locked h2 { opacity: 0.85; }
.seo-locked {
  padding: 1rem 1.25rem;
  border: 1px dashed rgba(251, 191, 36, 0.45);
  border-radius: var(--lp-radius);
  background: rgba(251, 191, 36, 0.05);
}

/* Callouts and CTA — same glow-panel treatment as the landing page's colorful sections */
.seo-callout,
.seo-cta-panel {
  position: relative;
  overflow: hidden;
  margin: 2rem 0;
  padding: 1.75rem;
  border-radius: var(--lp-radius-lg);
  border: 1px solid rgba(56, 189, 248, 0.3);
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.16), rgba(56, 189, 248, 0.07));
}
.seo-callout::before,
.seo-cta-panel::before {
  content: "";
  position: absolute;
  top: -60%;
  right: -20%;
  width: 60%;
  height: 220%;
  background: radial-gradient(ellipse at center, rgba(59, 130, 246, 0.25) 0%, transparent 70%);
  pointer-events: none;
}
.seo-cta-panel h2 { margin-top: 0; }

/* Related links */
.seo-related {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
  margin-top: 2.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--lp-border-dim);
}
.seo-related h2 { font-size: 1.05rem; margin: 0 0 0.6rem; color: var(--lp-cyan); }
.seo-related ul { padding-left: 1.1rem; font-size: 0.97rem; }

/* Hub */
.seo-cards {
  list-style: none;
  padding: 0 !important;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 0.9rem;
}
.seo-card { margin: 0 !important; }
.seo-card a {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  height: 100%;
  padding: 1rem 1.1rem;
  border: 1px solid var(--lp-border);
  border-radius: var(--lp-radius);
  background: rgba(19, 32, 53, 0.55);
  text-decoration: none;
  transition: border-color 0.18s, transform 0.18s, box-shadow 0.18s;
}
.seo-card a:hover {
  border-color: rgba(56, 189, 248, 0.4);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(2, 6, 23, 0.35);
}
.seo-card-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.1rem;
  height: 2.1rem;
  border-radius: 50%;
  margin-bottom: 0.15rem;
}
.seo-card-icon svg { width: 18px; height: 18px; }
.seo-card-icon--beginner { background: rgba(52, 211, 153, 0.14); color: var(--lp-ok-green); }
.seo-card-icon--intermediate { background: var(--lp-warn-yellow-bg); color: var(--lp-warn-yellow); }
.seo-card-icon--advanced { background: var(--lp-fail-red-bg); color: var(--lp-fail-red); }
.seo-card-icon--concept { background: rgba(56, 189, 248, 0.14); color: var(--lp-cyan); }
.seo-card-title { color: #fff; font-weight: 700; }
.seo-card-desc {
  color: var(--lp-text-dim);
  font-size: 0.9rem;
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.seo-concept-list { list-style: none; padding: 0 !important; }
.seo-concept-list li { display: flex; flex-direction: column; margin-bottom: 0.8rem; }
.seo-concept-list li span { color: var(--lp-text-dim); font-size: 0.93rem; }
.seo-concept-list a { font-weight: 600; }

@media (max-width: 640px) {
  .seo-main .lp-container { padding-left: 16px; padding-right: 16px; }
  .seo-article { font-size: 1rem; }
  .seo-toc ol { columns: 1; }
  .seo-cta-row .seo-btn { flex: 1 1 100%; justify-content: center; }
  .seo-qualities { grid-template-columns: 1fr; }
  .seo-qualities dd { margin-bottom: 0.4rem; }
}

/* ── Light theme ──────────────────────────────────────────────────────────
   Opt-in per page via body_extra_class (see _layout.html) — e.g. interview_prep.html
   adds "seo-body--light". Everything below re-scopes the --lp-* tokens these pages
   already read from, plus overrides the handful of hardcoded dark-surface colors
   (rgba(19,32,53,…) card backgrounds, #fff headings) that assumed a navy page. The
   navbar and footer stay dark — they're shared app chrome, not page content. */
.seo-body--light {
  --lp-bg:          #ffffff;
  --lp-surface:     #f8fafc;
  --lp-surface-2:   #eef2f7;
  --lp-border:      rgba(15, 23, 42, 0.09);
  --lp-border-dim:  rgba(15, 23, 42, 0.07);
  --lp-text:        #0f172a;
  --lp-text-muted:  #475569;
  --lp-text-dim:    #64748b;
  --lp-primary:     #2563eb;
  --lp-primary-glow:rgba(37, 99, 235, 0.25);
  --lp-cyan:        #0284c7;
  --lp-cyan-glow:   rgba(2, 132, 199, 0.14);
  --lp-fail-red:    #dc2626;
  --lp-fail-red-bg: rgba(220, 38, 38, 0.08);
  --lp-warn-orange: #c2410c;
  --lp-warn-orange-bg: rgba(194, 65, 12, 0.08);
  --lp-warn-yellow: #b45309;
  --lp-warn-yellow-bg: rgba(180, 83, 9, 0.09);
  --lp-ok-green:    #059669;
}

.seo-body--light .seo-main {
  background:
    radial-gradient(ellipse 1100px 520px at 50% -40px, rgba(37,99,235,0.06) 0%, transparent 65%),
    linear-gradient(rgba(15,23,42,0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(15,23,42,0.035) 1px, transparent 1px);
  background-size: auto, 48px 48px, 48px 48px;
  background-position: 0 0, center top, center top;
  background-repeat: no-repeat, repeat, repeat;
}

.seo-body--light .seo-article h1 {
  background: linear-gradient(100deg, #0f172a 0%, #0f172a 55%, var(--lp-cyan) 100%);
  -webkit-background-clip: text;
  background-clip: text;
}
.seo-body--light .seo-article h2 { color: #0f172a; }
.seo-body--light .seo-article h3 { color: #1e293b; }
.seo-body--light .seo-article h4 { color: #334155; }
.seo-body--light .seo-article strong { color: #0f172a; }
.seo-body--light .seo-article a:hover { color: #0369a1; }
.seo-body--light .seo-article code { background: rgba(100, 116, 139, 0.12); }
.seo-body--light .seo-lede { color: #475569; }

.seo-body--light .seo-article .seo-btn:not(.seo-btn--primary) {
  border-color: var(--lp-border);
  background: #f1f5f9;
  color: var(--lp-text);
}
.seo-body--light .seo-article .seo-btn:not(.seo-btn--primary):hover {
  background: #e2e8f0;
  border-color: rgba(2, 132, 199, 0.35);
  color: var(--lp-cyan);
}
.seo-body--light .seo-article .seo-btn--primary:hover { background: #1d4ed8; }

.seo-body--light .seo-toc {
  background: linear-gradient(160deg, rgba(37, 99, 235, 0.05), rgba(248, 250, 252, 0.9));
  box-shadow: none;
}

.seo-body--light .seo-component,
.seo-body--light .seo-insight-card,
.seo-body--light .seo-chip-list a,
.seo-body--light .seo-card a {
  background: #f8fafc;
}
.seo-body--light .seo-component:hover,
.seo-body--light .seo-insight-card:hover,
.seo-body--light .seo-card a:hover {
  box-shadow: 0 8px 20px rgba(15, 23, 42, 0.07);
}
.seo-body--light .seo-quiz { background: #f8fafc; }

.seo-body--light .seo-stat-strip strong { color: #0f172a; }
.seo-body--light .seo-table tbody th { color: #0f172a; }
.seo-body--light .seo-card-title { color: #0f172a; }

.seo-body--light .seo-callout,
.seo-body--light .seo-cta-panel {
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.1), rgba(2, 132, 199, 0.05));
  border-color: rgba(2, 132, 199, 0.22);
}