body[data-sa-version='2'] {
  --sa2-canvas: #fafaf9;
  --sa2-surface: #fff;
  --sa2-ink: #0f172a;
  --sa2-ink-2: #334155;
  --sa2-muted: #64748b;
  --sa2-hair: #e7e5e4;
  --sa2-hair-strong: #d6d3d1;
  --sa2-gold: #d97706;
  --sa2-gold-ink: #9a3412;
  --sa2-gold-bg: #fff7ed;
  --sa2-gold-border: #fed7aa;
  --sa2-good: #059669;
  --sa2-bad: #dc2626;
  --sa2-sub: #047857;
  --sa2-sub-ink: #065f46;
  --sa2-sub-tint: #d1fae5;
  --sa2-sub-soft: #ecfdf5;
  --sa2-radius-sm: 10px;
  --sa2-radius: 14px;
  --sa2-radius-lg: 18px;
  --sa2-shadow: 0 4px 16px rgb(15 23 42 / 6%);
  --sa2-shadow-lg: 0 18px 46px rgb(15 23 42 / 12%);
  --sa2-safe-bottom: env(safe-area-inset-bottom, 0px);
  background:
    radial-gradient(
      ellipse 70% 40% at 12% 8%,
      color-mix(in srgb, var(--sa2-sub) 12%, transparent),
      transparent 60%
    ),
    var(--sa2-canvas);
  color: var(--sa2-ink);
  font-family:
    'DM Sans',
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    'Segoe UI',
    sans-serif;
  font-size: 15px;
  line-height: 1.6;
}

body[data-sa-version='2'][data-subject='biology'] {
  --sa2-sub: #047857;
  --sa2-sub-ink: #065f46;
  --sa2-sub-tint: #d1fae5;
  --sa2-sub-soft: #ecfdf5;
}

body[data-sa-version='2'][data-subject='biology'][data-sa-guided='locked'] {
  --sa2-sub: #059669;
}

body[data-sa-version='2'][data-subject='chemistry'] {
  --sa2-sub: #1d4ed8;
  --sa2-sub-ink: #1e40af;
  --sa2-sub-tint: #dbeafe;
  --sa2-sub-soft: #eff6ff;
}

body[data-sa-version='2'][data-subject='physics'] {
  --sa2-sub: #c2410c;
  --sa2-sub-ink: #9a3412;
  --sa2-sub-tint: #ffedd5;
  --sa2-sub-soft: #fff7ed;
}

body[data-sa-version='2'][data-subject='maths-standard'] {
  --sa2-sub: #6d28d9;
  --sa2-sub-ink: #4c1d95;
  --sa2-sub-tint: #ede9fe;
  --sa2-sub-soft: #f5f3ff;
}

body[data-sa-version='2'][data-subject='maths-advanced'] {
  --sa2-sub: #5b21b6;
  --sa2-sub-ink: #3b0764;
  --sa2-sub-tint: #e9d5ff;
  --sa2-sub-soft: #faf5ff;
}

body[data-sa-version='2'][data-subject='maths-extension1'] {
  --sa2-sub: #4338ca;
  --sa2-sub-ink: #312e81;
  --sa2-sub-tint: #e0e7ff;
  --sa2-sub-soft: #eef2ff;
}

body[data-sa-version='2'][data-subject='maths-extension2'] {
  --sa2-sub: #7e22ce;
  --sa2-sub-ink: #581c87;
  --sa2-sub-tint: #f3e8ff;
  --sa2-sub-soft: #faf5ff;
}

body[data-sa-version='2'] *,
body[data-sa-version='2'] *::before,
body[data-sa-version='2'] *::after {
  box-sizing: border-box;
}

body[data-sa-version='2'] h1,
body[data-sa-version='2'] h2,
body[data-sa-version='2'] h3,
body[data-sa-version='2'] h4,
body[data-sa-version='2'] .sa-brand,
body[data-sa-version='2'] .sa-card-title,
body[data-sa-version='2'] .sa-step-title,
body[data-sa-version='2'] .sa-donext-txt {
  font-family: Outfit, 'DM Sans', system-ui, sans-serif;
}

/* The v2 canvas is deliberately independent of every legacy module skin. */
body[data-sa-version='2'].sa[data-subject] {
  background:
    radial-gradient(
      ellipse 70% 40% at 12% 8%,
      color-mix(in srgb, var(--sa2-sub) 12%, transparent),
      transparent 60%
    ),
    var(--sa2-canvas) !important;
  background-attachment: scroll !important;
}

body[data-sa-version='2'] button,
body[data-sa-version='2'] input,
body[data-sa-version='2'] textarea,
body[data-sa-version='2'] select {
  font-family: inherit;
}

body[data-sa-version='2'] a {
  color: var(--sa2-sub-ink);
  text-underline-offset: 0.16em;
}

body[data-sa-version='2'] :focus-visible {
  outline: 3px solid var(--sa2-sub);
  outline-offset: 3px;
  /* No fade-in: `transition: all` on controls would otherwise animate the ring in
     from 0px, leaving keyboard focus invisible for its first ~150ms. See the same
     guard on the base :focus-visible rule in senior-adventure.css. */
  transition-property: none;
}

body[data-sa-version='2'] .sa-skip {
  background: var(--sa2-ink);
  border-radius: 0 0 var(--sa2-radius-sm);
  color: #fff;
  z-index: 100;
}

body[data-sa-version='2'] .sa-progress-fill {
  background: var(--sa2-sub);
}

body[data-sa-version='2'] .sa-shell {
  max-width: 900px;
  margin-inline: auto;
  padding-bottom: calc(96px + var(--sa2-safe-bottom));
}

body[data-sa-version='2'] .sa-topbar {
  min-height: 56px;
  padding: 8px clamp(12px, 3vw, 20px);
  background: rgb(250 250 249 / 94%);
  border-bottom: 1px solid var(--sa2-hair);
  box-shadow: 0 1px 0 rgb(15 23 42 / 3%);
  color: var(--sa2-ink);
  gap: 10px;
}

body[data-sa-version='2'] .sa-brand,
body[data-sa-version='2'] .sa-home-link {
  color: var(--sa2-ink);
  font-weight: 750;
  text-decoration: none;
}

body[data-sa-version='2'] .sa-brand-mark {
  width: 30px;
  height: 30px;
  flex: 0 0 30px;
  background: linear-gradient(135deg, #047857, #1d4ed8 55%, #6d28d9);
  border-radius: 7px;
}

body[data-sa-version='2'] .sa-breadcrumb,
body[data-sa-version='2'] .sa-brand-sub {
  color: var(--sa2-muted);
}

body[data-sa-version='2'] .sa-topbar-pills {
  display: flex;
  align-items: center;
  gap: 7px;
  margin-left: auto;
}

body[data-sa-version='2'] .sa-pill,
body[data-sa-version='2'] .sa-streak,
body[data-sa-version='2'] .sa-goal,
body[data-sa-version='2'] .sa-level,
body[data-sa-version='2'] .sa-quest-summary {
  min-height: 36px;
  border: 1px solid var(--sa2-hair-strong);
  border-radius: 999px;
  background: var(--sa2-surface);
  color: var(--sa2-ink-2);
  box-shadow: none;
  font-size: 12px;
  font-weight: 750;
}

body[data-sa-version='2'] .sa-pill-streak,
body[data-sa-version='2'] #pill-streak,
body[data-sa-version='2'] .sa-streak {
  border-color: var(--sa2-gold-border);
  background: var(--sa2-gold-bg);
  color: var(--sa2-gold-ink);
}

body[data-sa-version='2'] .sa-pill-coins,
body[data-sa-version='2'] #pill-coins,
body[data-sa-version='2'] .sa-pill-xp,
body[data-sa-version='2'] #pill-xp {
  border-color: var(--sa2-gold-border);
  background: var(--sa2-gold-bg);
  color: var(--sa2-gold-ink);
}

body[data-sa-version='2'] .sa-pill-icon,
body[data-sa-version='2'] .sa-pill svg,
body[data-sa-version='2'] .sa-streak svg,
body[data-sa-version='2'] .sa-goal svg,
body[data-sa-version='2'] .sa-level svg {
  width: 16px;
  height: 16px;
  flex: 0 0 16px;
}

body[data-sa-version='2'] .sa-pill-icon:empty {
  display: none;
}

body[data-sa-version='2'] .sa-goal-ring {
  width: 28px;
  height: 28px;
}

body[data-sa-version='2'] .sa-goal-ring-track,
body[data-sa-version='2'] .sa-goal-ring .trk {
  stroke: var(--sa2-hair);
}

body[data-sa-version='2'] .sa-goal-ring-fill,
body[data-sa-version='2'] .sa-goal-ring .fil {
  stroke: var(--sa2-sub);
}

body[data-sa-version='2'] .sa-level {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  padding: 5px 10px;
}

body[data-sa-version='2'] .sa-level-bar {
  width: 88px;
  height: 4px;
  overflow: hidden;
  border-radius: 999px;
  background: var(--sa2-hair);
}

body[data-sa-version='2'] .sa-level-bar > span {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: var(--sa2-sub);
}

body[data-sa-version='2'] .sa-streak.at-risk {
  box-shadow: 0 0 0 3px rgb(180 83 9 / 16%);
}

body[data-sa-version='2'] .sa-weakspots-strip,
body[data-sa-version='2'] .sa-action-bar,
body[data-sa-version='2'] .sa-hsc-countdown,
body[data-sa-version='2'] .sa-qc-banner {
  display: none !important;
}

body[data-sa-version='2'] .sa-pill-coins {
  display: inline-flex !important;
}

body[data-sa-version='2'] .sa-hero {
  margin: 18px clamp(14px, 3vw, 28px) 0;
  padding: clamp(24px, 4vw, 34px);
  border-radius: var(--sa2-radius-lg);
  background:
    linear-gradient(
      135deg,
      var(--sa2-sub-ink),
      var(--sa2-sub) 68%,
      color-mix(in srgb, var(--sa2-sub) 72%, white)
    ),
    var(--sa-hero-image, none) center / cover no-repeat !important;
  box-shadow: var(--sa2-shadow-lg);
  color: #fff;
}

body[data-sa-version='2'] .sa-hero::before,
body[data-sa-version='2'] .sa-hero::after {
  background: radial-gradient(circle at 90% 10%, rgb(255 255 255 / 24%), transparent 46%);
}

body[data-sa-version='2'] .sa-hero .sa-outcomes-ref,
body[data-sa-version='2'] .sa-hero .sa-quest-ring {
  display: none !important;
}

body[data-sa-version='2'] .sa-hero-inner {
  gap: 24px;
}

body[data-sa-version='2'] .sa-hero-badge {
  background: rgb(255 255 255 / 16%);
  border-color: rgb(255 255 255 / 38%);
  color: #fff;
}

body[data-sa-version='2'].sa[data-subject] .sa-hero h1,
body[data-sa-version='2'].sa[data-subject] .sa-hero-title {
  max-width: 18ch;
  color: #fff !important;
  font-size: clamp(27px, 4vw, 33px);
  font-weight: 750;
  line-height: 1.08;
  text-shadow: none;
}

body[data-sa-version='2'].sa[data-subject] .sa-hero-sub,
body[data-sa-version='2'].sa[data-subject] .sa-hero-desc,
body[data-sa-version='2'].sa[data-subject] .sa-hero-hook {
  max-width: 66ch;
  color: rgb(255 255 255 / 94%) !important;
}

body[data-sa-version='2'] .sa-hook {
  border: 1px solid rgb(255 255 255 / 42%);
  border-radius: var(--sa2-radius);
  background: rgb(255 255 255 / 96%);
  box-shadow: var(--sa2-shadow);
}

body[data-sa-version='2'] .sa-hook-icon {
  background: var(--sa2-sub);
}

body[data-sa-version='2'] .sa-hook-body strong {
  color: var(--sa2-sub-ink);
}

body[data-sa-version='2'] .sa-hook-cta,
body[data-sa-version='2'] .sa-resume,
body[data-sa-version='2'] .sa-view-all {
  min-height: 44px;
  border: 1px solid transparent;
  border-radius: var(--sa2-radius-sm);
  background: #fff;
  color: var(--sa2-sub-ink);
  font-weight: 750;
}

body[data-sa-version='2'] .sa-quest-ring .qr-track {
  stroke: rgb(255 255 255 / 30%);
}

body[data-sa-version='2'] .sa-quest-ring .qr-fill {
  stroke: #fbbf24;
}

body[data-sa-version='2'] .sa-tabs {
  margin: 18px clamp(14px, 3vw, 28px) 0;
  padding: 4px;
  border: 1px solid var(--sa2-hair);
  border-radius: 12px;
  background: var(--sa2-surface);
  box-shadow: var(--sa2-shadow);
}

body[data-sa-version='2'] .sa-tab {
  min-height: 44px;
  border-radius: 8px;
  color: var(--sa2-muted);
}

body[data-sa-version='2'] .sa-hero-eyebrow {
  margin: 0 0 8px;
  color: rgb(255 255 255 / 78%) !important;
  font-size: 12px;
  font-weight: 750;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

body[data-sa-version='2'] .sa2-hero-actions {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-top: 18px;
}

body[data-sa-version='2'] .sa2-hero-actions .sa-resume {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 10px 15px;
  text-decoration: none;
}

body[data-sa-version='2'] .sa-hero-meta {
  color: rgb(255 255 255 / 84%);
  font-size: 12.5px;
  font-weight: 650;
}

body[data-sa-version='2'] .sa-tab-count {
  display: none;
}

body[data-sa-version='2'] .sa-tab:hover {
  background: var(--sa2-sub-soft);
  color: var(--sa2-sub-ink);
}

body[data-sa-version='2'] .sa-tab.active,
body[data-sa-version='2'] .sa-tab[aria-selected='true'] {
  background: var(--sa2-ink);
  color: #fff;
}

body[data-sa-version='2'] .sa-tab[disabled],
body[data-sa-version='2'] .sa-opt[disabled],
body[data-sa-version='2'] button[disabled] {
  cursor: not-allowed;
  opacity: 0.58;
}

body[data-sa-version='2'] .sa-phase {
  display: block;
  padding-inline: clamp(14px, 3vw, 28px);
  overflow-x: clip;
}

html.sa2-ready body[data-sa-version='2'] .sa-phase[hidden] {
  display: none;
}

body[data-sa-version='2'].sa[data-subject] .sa-card,
body[data-sa-version='2'] .sa-step.active .sa-step-body {
  border: 1px solid var(--sa2-hair);
  border-radius: var(--sa2-radius);
  background: var(--sa2-surface) !important;
  box-shadow: var(--sa2-shadow);
}

body[data-sa-version='2'] .sa-card {
  padding: clamp(18px, 3vw, 25px);
}

body[data-sa-version='2'] .sa-card h2,
body[data-sa-version='2'] .sa-card h3,
body[data-sa-version='2'] .sa-card-title {
  color: var(--sa2-ink);
}

body[data-sa-version='2'] .sa-card-num {
  background: var(--sa2-ink);
}

body[data-sa-version='2'] .sa-path-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin: 18px 2px 12px;
  color: var(--sa2-muted);
}

body[data-sa-version='2'] .sa-step {
  display: flex;
  align-items: stretch;
  gap: 14px;
}

body[data-sa-version='2'] .sa-step-rail {
  display: flex;
  flex: 0 0 32px;
  flex-direction: column;
  align-items: center;
}

body[data-sa-version='2'] .sa-step-dot {
  display: grid;
  width: 32px;
  height: 32px;
  flex: 0 0 32px;
  place-items: center;
  border: 2px solid var(--sa2-hair-strong);
  border-radius: 50%;
  background: var(--sa2-surface);
  color: var(--sa2-muted);
  font-weight: 750;
}

body[data-sa-version='2'] .sa-step-line {
  width: 2px;
  min-height: 14px;
  flex: 1;
  margin-block: 3px;
  background: var(--sa2-hair);
}

body[data-sa-version='2'] .sa-step-body {
  min-width: 0;
  flex: 1;
  padding: 6px 0 18px;
}

body[data-sa-version='2'] .sa-step.done .sa-step-dot {
  border-color: var(--sa2-sub);
  background: var(--sa2-sub);
  color: #fff;
}

body[data-sa-version='2'] .sa-step.done .sa-step-line {
  background: var(--sa2-sub-tint);
}

body[data-sa-version='2'] .sa-step.done .sa-step-title {
  color: var(--sa2-muted);
}

body[data-sa-version='2'] .sa-step.active .sa-step-dot {
  border-color: var(--sa2-sub);
  color: var(--sa2-sub-ink);
  box-shadow: 0 0 0 4px var(--sa2-sub-tint);
}

body[data-sa-version='2'] .sa-step.active .sa-step-body {
  padding: clamp(17px, 3vw, 22px);
  border-color: var(--sa2-sub);
}

body[data-sa-version='2'] .sa-step.locked .sa-step-dot,
body[data-sa-version='2'] .sa-step.locked .sa-step-title {
  color: var(--sa2-muted);
}

body[data-sa-version='2'] .sa-step.locked .sa-step-detail {
  opacity: 0.82;
}

/* Strict guided mode is opt-in per lesson. Without JavaScript the body never
   receives data-sa-version="2", so every section remains fully expanded. */
body[data-sa-version='2'][data-sa-guided='locked'] .sa-step {
  margin-bottom: 8px;
}

body[data-sa-version='2'][data-sa-guided='locked'] .sa-hero-badges,
body[data-sa-version='2'][data-sa-guided='locked'] .sa-hero-ring-row,
body[data-sa-version='2'][data-sa-guided='locked'] #pill-coins,
body[data-sa-version='2'][data-sa-guided='locked'] .sa-drop-toast {
  display: none;
}

body[data-sa-version='2'][data-sa-guided='locked'] .sa-step-content {
  display: none;
}

body[data-sa-version='2'][data-sa-guided='locked'] .sa-step.active .sa-step-content,
body[data-sa-version='2'][data-sa-guided='locked'][data-sa-revision='true'] .sa-step-content,
body[data-sa-version='2'][data-sa-guided='locked'] .sa-step.revision-open .sa-step-content {
  display: block;
}

body[data-sa-version='2'][data-sa-guided='locked'] .sa-step.locked .sa-step-body {
  min-height: 58px;
  padding-top: 8px;
}

/* A section the reader has not reached yet is COLLAPSED, not locked. It used to read
   "Locked · finish the step above", which was true of the old behaviour and is now both
   wrong and discouraging: every header is a working jump target. The label invites the
   click the element has always advertised through role="button". */
body[data-sa-version='2'][data-sa-guided='locked'] .sa-step.locked .sa-step-title::after {
  display: block;
  margin-top: 3px;
  color: var(--sa2-muted);
  content: 'Tap to open this section';
  font-family: 'DM Sans', system-ui, sans-serif;
  font-size: 12px;
  font-weight: 600;
}

/* The header itself must look like the control it is. Nothing below changes the collapsed
   layout -- one section at a time is the point of the guided flow -- it only stops a
   reachable control from reading as inert text. */
body[data-sa-version='2'][data-sa-guided='locked'] .sa-step.locked .sa-step-summary {
  cursor: pointer;
}

body[data-sa-version='2'][data-sa-guided='locked'] .sa-step.locked .sa-step-summary:hover .sa-step-title,
body[data-sa-version='2'][data-sa-guided='locked'] .sa-step.locked .sa-step-summary:focus-visible .sa-step-title {
  color: var(--sa2-ink, inherit);
}

body[data-sa-version='2'][data-sa-guided='locked'] .sa-step.locked .sa-step-summary:focus-visible {
  outline: 2px solid var(--sa2-accent, currentColor);
  outline-offset: 3px;
  border-radius: 6px;
}

body[data-sa-version='2'][data-sa-guided='locked'] .sa-step.done .sa-step-title::after {
  margin-left: 8px;
  color: var(--sa2-good);
  content: '✓ Complete';
  font-family: 'DM Sans', system-ui, sans-serif;
  font-size: 12px;
  font-weight: 700;
}

/* The jump control is exempt: it is the one thing in a collapsed section that must stay
   clickable, and it sits inside .sa-step-body like everything else. */
body[data-sa-version='2'][data-sa-guided='locked'] .sa-step.locked .sa-step-summary,
body[data-sa-version='2'][data-sa-guided='locked'] .sa-step.locked .sa-step-summary * {
  pointer-events: auto;
}

body[data-sa-version='2'][data-sa-guided='locked'] .sa-step.locked a,
body[data-sa-version='2'][data-sa-guided='locked'] .sa-step.locked button,
body[data-sa-version='2'][data-sa-guided='locked'] .sa-step.locked input,
body[data-sa-version='2'][data-sa-guided='locked'] .sa-step.locked textarea,
body[data-sa-version='2'][data-sa-guided='locked'] .sa-step.locked select,
body[data-sa-version='2'][data-sa-guided='locked'] .sa-step.locked iframe {
  pointer-events: none;
}

body[data-sa-version='2'][data-sa-guided='locked'] .sa-tab.locked::after {
  margin-left: 5px;
  content: 'Locked';
  font-size: 10px;
  font-weight: 700;
}

body[data-sa-version='2'] .sa-guided-check {
  margin-top: 18px;
}

body[data-sa-version='2'] .sa-guided-check [data-check-feedback] {
  min-height: 1.5em;
  margin: 10px 0 0;
  color: var(--sa2-ink-2);
  font-weight: 650;
}

body[data-sa-version='2'] .sa-guided-routes {
  margin: 18px 0;
  padding: clamp(17px, 3vw, 22px);
  border: 1px solid var(--sa2-hair);
  border-radius: var(--sa2-radius);
  background: var(--sa2-sub-soft);
}

body[data-sa-version='2'] .sa-guided-route-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

body[data-sa-version='2'] .sa-guided-route {
  border: 1px solid var(--sa2-hair-strong);
  border-radius: var(--sa2-radius-sm);
  background: var(--sa2-surface);
}

body[data-sa-version='2'] .sa-guided-route summary {
  display: flex;
  min-height: 52px;
  flex-direction: column;
  justify-content: center;
  padding: 10px 12px;
  cursor: pointer;
}

body[data-sa-version='2'] .sa-guided-route summary span {
  color: var(--sa2-muted);
  font-size: 12px;
}

body[data-sa-version='2'] .sa-guided-route > p {
  margin: 0;
  padding: 0 12px 13px;
}

@media (max-width: 700px) {
  body[data-sa-version='2'] .sa-guided-route-grid {
    grid-template-columns: 1fr;
  }
}

body[data-sa-version='2'] .sa-view-all {
  padding: 9px 13px;
  cursor: pointer;
}

body[data-sa-version='2'] .sa-guided-donext {
  position: fixed;
  right: 0;
  bottom: 0;
  left: 0;
  z-index: 80;
  max-width: 900px;
  margin-inline: auto;
}

body[data-sa-version='2'] .sa-here {
  display: inline-flex;
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--sa2-sub-tint);
  color: var(--sa2-sub-ink);
  font-size: 11px;
  font-weight: 750;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

body[data-sa-version='2'] .sa-check {
  padding: 15px;
  border: 1px solid var(--sa2-sub-tint);
  border-radius: 12px;
  background: var(--sa2-sub-soft);
}

body[data-sa-version='2'] .sa-opts {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
}

body[data-sa-version='2'] .sa-opt {
  min-height: 44px;
  padding: 9px 14px;
  border: 2px solid var(--sa2-hair-strong);
  border-radius: 10px;
  background: var(--sa2-surface);
  color: var(--sa2-ink-2);
}

body[data-sa-version='2'] .sa-opt:hover:not([disabled]) {
  border-color: var(--sa2-sub);
}

body[data-sa-version='2'] .sa-opt.correct,
body[data-sa-version='2'] .sa-opt[aria-checked='true'].correct {
  border-color: var(--sa2-good);
  background: var(--sa2-good);
  color: #fff;
}

body[data-sa-version='2'] .sa-opt.wrong {
  border-color: var(--sa2-bad);
  background: #fef2f2;
  color: var(--sa2-bad);
}

body[data-sa-version='2'] .sa-check-fb[aria-live] {
  min-height: 1.5em;
}

body[data-sa-version='2'] .sa-intentions {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

body[data-sa-version='2'] .sa-intention {
  padding: 16px 18px;
  border: 1px solid var(--sa2-hair);
  border-top: 3px solid var(--sa2-sub);
  border-radius: 12px;
  background: var(--sa2-surface);
}

body[data-sa-version='2'] .sa-step-summary {
  margin-bottom: 16px;
}

body[data-sa-version='2'] .sa-step-summary .sa-step-title {
  margin: 7px 0 4px;
}

body[data-sa-version='2'] .sa-step-summary .sa-step-detail {
  margin: 0;
  color: var(--sa2-muted);
}

body[data-sa-version='2'] .sa-step-continue {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  margin: 6px 0 14px;
  padding: 10px 15px;
  border: 1px solid var(--sa2-sub);
  border-radius: var(--sa2-radius-sm);
  background: var(--sa2-sub);
  color: #fff;
  cursor: pointer;
  font-weight: 750;
}

body[data-sa-version='2'] .sa-step-continue:hover {
  background: var(--sa2-sub-ink);
}

/* Back to the previous section. Quieter than Continue: revisiting is a
   secondary action, moving forward stays the primary one. */
body[data-sa-version='2'] .sa-step-back {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  margin: 6px 10px 14px 0;
  padding: 10px 15px;
  border: 1px solid var(--sa2-line);
  border-radius: var(--sa2-radius-sm);
  background: transparent;
  color: var(--sa2-muted);
  cursor: pointer;
  font-weight: 650;
}

body[data-sa-version='2'] .sa-step-back:hover {
  border-color: var(--sa2-sub);
  color: var(--sa2-ink);
}

/* Finished sections become clickable headers so a learner can jump straight
   back to one. Locked sections keep the default cursor and stay inert. */
body[data-sa-version='2'][data-sa-guided='locked'] .sa-step.done .sa-step-summary {
  border-radius: var(--sa2-radius-sm);
  cursor: pointer;
}

body[data-sa-version='2'][data-sa-guided='locked'] .sa-step.done .sa-step-summary:hover .sa-step-title,
body[data-sa-version='2'][data-sa-guided='locked'] .sa-step.done .sa-step-summary:focus-visible .sa-step-title {
  text-decoration: underline;
  text-underline-offset: 3px;
}

body[data-sa-version='2'] .sa-step-summary:focus-visible {
  outline: 2px solid var(--sa2-sub);
  outline-offset: 3px;
}

body[data-sa-version='2'][data-sa-guided='locked'] .sa-step.locked .sa-step-summary {
  cursor: default;
}

body[data-sa-version='2'] .sa-intentions-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

body[data-sa-version='2'] .sa-intention.understand {
  border-top-color: #4338ca;
}

body[data-sa-version='2'] .sa-intention.cando {
  border-top-color: var(--sa2-gold);
}

body[data-sa-version='2'] .sa-donext {
  position: sticky;
  bottom: 0;
  z-index: 30;
  display: flex;
  min-height: 72px;
  align-items: center;
  gap: 12px;
  padding: 10px max(14px, env(safe-area-inset-right, 0px)) calc(10px + var(--sa2-safe-bottom))
    max(14px, env(safe-area-inset-left, 0px));
  border-top: 1px solid rgb(255 255 255 / 28%);
  background: var(--sa2-sub);
  box-shadow: 0 -8px 24px -12px rgb(0 0 0 / 35%);
  color: #fff;
}

body[data-sa-version='2'] .sa-donext.is-target-visible,
body[data-sa-version='2'] .sa-donext[hidden] {
  display: none;
}

body[data-sa-version='2'] .sa-donext-body {
  min-width: 0;
  flex: 1;
}

body[data-sa-version='2'] .sa-donext-lbl {
  color: rgb(255 255 255 / 82%);
  font-size: 10px;
  font-weight: 750;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

body[data-sa-version='2'] .sa-donext-txt {
  display: block;
  overflow: hidden;
  color: #fff;
  font-weight: 700;
  text-overflow: ellipsis;
  white-space: nowrap;
}

body[data-sa-version='2'] .sa-donext-xp {
  flex: 0 0 auto;
  padding: 4px 9px;
  border-radius: 999px;
  background: rgb(255 255 255 / 18%);
  color: #fff;
  font-size: 11px;
  font-weight: 750;
}

body[data-sa-version='2'] .sa-donext-go {
  display: inline-grid;
  width: auto;
  min-width: 112px;
  height: 44px;
  flex: 0 0 auto;
  place-items: center;
  padding: 0 14px;
  border: 0;
  border-radius: 11px;
  background: #fff;
  white-space: nowrap;
  color: var(--sa2-sub-ink);
}

body[data-sa-version='2'] .sa-earn-toast {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 14px;
  border-radius: 999px;
  background: var(--sa2-sub);
  color: #fff;
  font-weight: 750;
}

body[data-sa-version='2'] .sa-earn-toast.play {
  animation: sa2-earn 720ms cubic-bezier(0.2, 0.9, 0.3, 1);
}

body[data-sa-version='2'] .ico,
body[data-sa-version='2'] .sa-icon {
  width: 1em;
  height: 1em;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
}

@keyframes sa2-earn {
  0% {
    opacity: 0;
    transform: translateY(8px) scale(0.92);
  }
  35% {
    opacity: 1;
    transform: translateY(0) scale(1.04);
  }
  100% {
    opacity: 1;
    transform: none;
  }
}

@media (max-width: 720px) {
  body[data-sa-version='2'] .sa-topbar {
    align-items: flex-start;
  }

  body[data-sa-version='2'] .sa-breadcrumb,
  body[data-sa-version='2'] .sa-brand-sub,
  body[data-sa-version='2'] .sa-pill-shield,
  body[data-sa-version='2'] .sa-pill-due {
    display: none;
  }

  body[data-sa-version='2'] .sa-topbar-pills {
    max-width: 72vw;
    overflow-x: auto;
    overscroll-behavior-inline: contain;
    scrollbar-width: none;
  }

  body[data-sa-version='2'] .sa-topbar-pills::-webkit-scrollbar {
    display: none;
  }

  body[data-sa-version='2'] .sa-hero-inner,
  body[data-sa-version='2'] .sa-hero-ring-row {
    grid-template-columns: 1fr;
  }

  body[data-sa-version='2'] .sa-hero-art {
    display: none;
  }

  body[data-sa-version='2'] .sa-hook {
    grid-template-columns: 32px 1fr;
  }

  body[data-sa-version='2'] .sa-hook-cta {
    grid-column: 1 / -1;
  }

  body[data-sa-version='2'] .sa-intentions,
  body[data-sa-version='2'] .sa-intentions-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 430px) {
  body[data-sa-version='2'] .sa-topbar {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto auto;
    min-height: 0;
    padding: 9px 12px;
  }

  body[data-sa-version='2'] .sa-topbar-spacer,
  body[data-sa-version='2'] .sa-brand-sub,
  body[data-sa-version='2'] .sa-pill-shield,
  body[data-sa-version='2'] .sa-pill-due,
  body[data-sa-version='2'] .sa-avatar {
    display: none !important;
  }

  body[data-sa-version='2'] .sa-level {
    grid-column: 2;
  }

  body[data-sa-version='2'] .sa-pill-coins {
    grid-column: 3;
  }

  body[data-sa-version='2'] .sa2-hero-actions {
    align-items: flex-start;
    flex-direction: column;
    gap: 9px;
  }

  body[data-sa-version='2'] .sa-hero-art,
  body[data-sa-version='2'] .sa-hero-badges {
    display: none;
  }

  body[data-sa-version='2'] .sa-shell {
    padding-bottom: calc(84px + var(--sa2-safe-bottom));
  }

  body[data-sa-version='2'] .sa-topbar {
    flex-wrap: wrap;
  }

  body[data-sa-version='2'] .sa-topbar-spacer {
    display: none;
  }

  body[data-sa-version='2'] .sa-home-link {
    font-size: 13px;
  }

  body[data-sa-version='2'] .sa-pill,
  body[data-sa-version='2'] .sa-streak,
  body[data-sa-version='2'] .sa-goal,
  body[data-sa-version='2'] .sa-level {
    min-height: 44px;
    padding: 5px 8px;
  }

  body[data-sa-version='2'] .sa-level-bar,
  body[data-sa-version='2'] .sa-pill-icon {
    display: none;
  }

  body[data-sa-version='2'] .sa-tab {
    padding-inline: 8px;
  }

  body[data-sa-version='2'] .sa-tab-count {
    display: none;
  }

  body[data-sa-version='2'] .sa-step {
    gap: 10px;
  }

  body[data-sa-version='2'] .sa-donext-xp {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  body[data-sa-version='2'] *,
  body[data-sa-version='2'] *::before,
  body[data-sa-version='2'] *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

@media (forced-colors: active) {
  body[data-sa-version='2'] .sa-hero,
  body[data-sa-version='2'] .sa-donext,
  body[data-sa-version='2'] .sa-opt.correct,
  body[data-sa-version='2'] .sa-step.done .sa-step-dot,
  body[data-sa-version='2'] .sa-earn-toast {
    border: 2px solid CanvasText;
    background: Canvas;
    color: CanvasText;
    forced-color-adjust: auto;
  }

  body[data-sa-version='2'] .sa-tab.active,
  body[data-sa-version='2'] .sa-tab[aria-selected='true'] {
    border: 2px solid Highlight;
    background: Highlight;
    color: HighlightText;
  }

  body[data-sa-version='2'] .sa-donext-go {
    border: 2px solid ButtonText;
    background: ButtonFace;
    color: ButtonText;
    forced-color-adjust: auto;
  }

  body[data-sa-version='2'] .sa-step.active .sa-step-dot,
  body[data-sa-version='2'] .sa-opt.wrong {
    border-color: CanvasText;
  }
}

@media print {
  body[data-sa-version='2'] {
    background: #fff;
  }

  body[data-sa-version='2'] .sa-topbar,
  body[data-sa-version='2'] .sa-progress,
  body[data-sa-version='2'] .sa-donext,
  body[data-sa-version='2'] .sa-earn-toast {
    display: none !important;
  }

  body[data-sa-version='2'] .sa-phase,
  html.sa2-ready body[data-sa-version='2'] .sa-phase[hidden] {
    display: block !important;
  }
}