.module-review-badge {
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  width: fit-content;
  margin-bottom: .85rem;
  border: 1px solid #b8d6f3;
  border-radius: 999px;
  background: var(--blue-050);
  padding: .35rem .7rem;
  color: var(--blue-800);
  font-size: .75rem;
  font-weight: 900;
  letter-spacing: .06em;
  text-transform: uppercase;
}

.module-review-badge::before {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--blue-600);
  content: "";
}

.module-meta-line {
  display: flex;
  flex-wrap: wrap;
  gap: .55rem 1rem;
  margin-top: 1.15rem;
  color: var(--muted);
  font-size: .85rem;
  font-weight: 700;
}

.module-meta-line span {
  display: inline-flex;
  align-items: center;
  gap: .35rem;
}

.emergency-strip {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 1rem;
  align-items: center;
  margin: 0 0 2rem;
  border: 1px solid #f1c4c4;
  border-left: 6px solid #b42318;
  border-radius: var(--radius);
  background: #fff7f7;
  padding: 1.15rem 1.25rem;
}

.emergency-strip h2 {
  margin: 0;
  color: #7a271a;
  font-size: 1.15rem;
  letter-spacing: -.015em;
}

.emergency-strip p {
  margin: .35rem 0 0;
  color: #69413c;
  font-size: .92rem;
}

.emergency-strip a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  border-radius: var(--radius-small);
  background: #b42318;
  padding: .6rem .9rem;
  color: white;
  font-weight: 900;
  white-space: nowrap;
}

.module-layout {
  display: grid;
  grid-template-columns: minmax(210px, 260px) minmax(0, 820px);
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: start;
  justify-content: center;
  padding: 1rem 0 5rem;
}

.chapter-nav {
  position: sticky;
  top: 158px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  padding: 1rem;
  box-shadow: var(--shadow-small);
}

.chapter-nav-title {
  margin: 0 0 .75rem;
  color: var(--blue-900);
  font-size: .86rem;
  font-weight: 900;
}

.chapter-progress {
  overflow: hidden;
  height: 6px;
  margin-bottom: .9rem;
  border-radius: 999px;
  background: var(--blue-100);
}

.chapter-progress span {
  display: block;
  width: 0;
  height: 100%;
  border-radius: inherit;
  background: var(--blue-600);
  transition: width .25s ease;
}

.chapter-nav ol {
  display: grid;
  gap: .25rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.chapter-nav a {
  display: grid;
  grid-template-columns: 28px minmax(0, 1fr);
  gap: .55rem;
  align-items: start;
  border-radius: 8px;
  padding: .5rem;
  color: var(--muted);
  font-size: .82rem;
  font-weight: 760;
  line-height: 1.25;
}

.chapter-nav a span:first-child {
  display: grid;
  place-items: center;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--surface-soft);
  color: var(--blue-700);
  font-size: .72rem;
  font-weight: 950;
}

.chapter-nav a:hover,
.chapter-nav a.is-active {
  background: var(--blue-050);
  color: var(--blue-900);
}

.chapter-nav a.is-active span:first-child {
  background: var(--blue-700);
  color: white;
}

.module-reading {
  min-width: 0;
}

.learning-section {
  scroll-margin-top: 165px;
  padding: 0 0 clamp(4.5rem, 8vw, 7rem);
}

.learning-section + .learning-section {
  border-top: 1px solid var(--line);
  padding-top: clamp(4rem, 7vw, 6rem);
}

.learning-header {
  margin-bottom: 1.6rem;
}

.learning-step {
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  margin-bottom: .75rem;
  color: var(--blue-700);
  font-size: .76rem;
  font-weight: 950;
  letter-spacing: .09em;
  text-transform: uppercase;
}

.learning-step::before {
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--blue-100);
  content: attr(data-step);
}

.learning-section h2 {
  max-width: 760px;
  color: var(--blue-900);
  font-size: clamp(2rem, 4vw, 3.25rem);
}

.learning-section h3 {
  margin-top: 2rem;
  color: var(--blue-900);
  font-size: 1.35rem;
}

.learning-section p,
.learning-section li {
  font-size: 1.02rem;
}

.learning-section p {
  margin: 1rem 0 0;
}

.learning-section ul,
.learning-section ol {
  margin: 1rem 0 0;
  padding-left: 1.25rem;
}

.learning-section li + li {
  margin-top: .55rem;
}

.learning-lead {
  max-width: 760px;
  color: var(--muted);
  font-size: 1.12rem !important;
}

.story-block {
  border-left: 4px solid var(--blue-600);
  background: var(--blue-050);
  padding: 1.2rem 1.35rem;
}

.story-block p:first-child { margin-top: 0; }

.concept-box,
.correction-box,
.micro-change,
.safety-box,
.privacy-box {
  margin-top: 1.5rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.2rem 1.3rem;
}

.concept-box { background: #fff; box-shadow: var(--shadow-small); }
.correction-box { border-color: #b8d6f3; background: var(--blue-050); }
.micro-change { border-color: #b8dcc8; background: #f4fbf6; }
.safety-box { border-color: #f0c8a8; background: #fff8f1; }
.privacy-box { background: var(--surface-soft); }

.box-label {
  display: block;
  margin-bottom: .45rem;
  color: var(--blue-700);
  font-size: .75rem;
  font-weight: 950;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.formula {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: .65rem;
  margin-top: 1rem;
}

.formula span {
  display: grid;
  align-content: center;
  min-height: 78px;
  border: 1px solid #cfe2f5;
  border-radius: 10px;
  background: #fff;
  padding: .7rem;
  color: var(--blue-900);
  font-size: .88rem;
  font-weight: 850;
  text-align: center;
}

.contrast-grid,
.two-column,
.case-grid,
.resource-grid,
.connected-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 1.5rem;
}

.contrast-card,
.case-card,
.resource-card,
.connected-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  padding: 1.2rem;
}

.contrast-card.before { border-top: 4px solid #d78989; }
.contrast-card.after { border-top: 4px solid #5aad7d; }
.contrast-card h3,
.case-card h3,
.resource-card h3,
.connected-card h3 { margin-top: 0; font-size: 1.14rem; }
.contrast-card p:first-of-type,
.case-card p:first-of-type,
.resource-card p:first-of-type,
.connected-card p:first-of-type { margin-top: .65rem; }

.cycle {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: .75rem;
  margin-top: 1.5rem;
  counter-reset: cycle;
}

.cycle-step {
  position: relative;
  min-height: 150px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  padding: 1rem;
  counter-increment: cycle;
}

.cycle-step::before {
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  margin-bottom: .65rem;
  border-radius: 50%;
  background: var(--blue-700);
  color: white;
  content: counter(cycle);
  font-size: .78rem;
  font-weight: 950;
}

.cycle-step::after {
  position: absolute;
  top: 50%;
  right: -.6rem;
  z-index: 2;
  color: var(--blue-600);
  content: "→";
  font-weight: 950;
}

.cycle-step:last-child::after { content: "↺"; }
.cycle-step strong { display: block; color: var(--blue-900); }
.cycle-step p { margin-top: .45rem; color: var(--muted); font-size: .9rem; }

.door-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 1.5rem;
}

.door-card {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  padding: 1.25rem;
}

.door-card::before {
  position: absolute;
  inset: 0 auto 0 0;
  width: 5px;
  background: var(--blue-600);
  content: "";
}

.door-number {
  display: inline-flex;
  margin-bottom: .6rem;
  color: var(--blue-700);
  font-size: .75rem;
  font-weight: 950;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.door-card h3 { margin-top: 0; }
.door-card p { color: var(--muted); font-size: .94rem; }
.door-card ul { margin-top: .75rem; }
.door-card li { font-size: .9rem; }

.worksheet {
  margin-top: 2rem;
  border: 2px solid #bfd9f2;
  border-radius: 18px;
  background: linear-gradient(180deg, var(--blue-050), #fff 22%);
  padding: clamp(1.2rem, 4vw, 2rem);
}

.worksheet-head {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: start;
}

.worksheet-head h3 { margin: 0; }
.worksheet-head p { margin: .4rem 0 0; color: var(--muted); font-size: .9rem; }

.local-label {
  flex: 0 0 auto;
  border-radius: 999px;
  background: #fff;
  padding: .35rem .6rem;
  color: var(--blue-700);
  font-size: .72rem;
  font-weight: 900;
}

.field-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 1.4rem;
}

.field,
.field-full {
  display: grid;
  gap: .4rem;
}

.field-full { grid-column: 1 / -1; }
.field label,
.field-full label {
  color: var(--blue-900);
  font-size: .85rem;
  font-weight: 850;
}

.field small,
.field-full small { color: var(--muted); }

.field input,
.field textarea,
.field select,
.field-full input,
.field-full textarea,
.field-full select {
  width: 100%;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-small);
  background: #fff;
  padding: .72rem .8rem;
  color: var(--ink);
  font: inherit;
}

.field textarea,
.field-full textarea { min-height: 92px; resize: vertical; }
.field input:focus,
.field textarea:focus,
.field select:focus,
.field-full input:focus,
.field-full textarea:focus,
.field-full select:focus {
  border-color: var(--blue-600);
  outline: 3px solid rgba(11, 103, 201, .13);
}

.check-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: .65rem;
  margin-top: 1rem;
}

.check-option {
  display: grid;
  grid-template-columns: 20px minmax(0, 1fr);
  gap: .55rem;
  align-items: start;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
  padding: .75rem;
}

.check-option input { margin-top: .18rem; accent-color: var(--blue-700); }
.check-option strong { display: block; color: var(--blue-900); font-size: .88rem; }
.check-option small { display: block; margin-top: .15rem; color: var(--muted); }

.worksheet-actions {
  display: flex;
  flex-wrap: wrap;
  gap: .6rem;
  margin-top: 1.4rem;
}

.tool-button {
  min-height: 42px;
  border: 1px solid var(--blue-700);
  border-radius: var(--radius-small);
  background: #fff;
  padding: .55rem .8rem;
  color: var(--blue-700);
  font-weight: 850;
}

.tool-button.primary { background: var(--blue-700); color: #fff; }
.tool-button.danger { border-color: #b42318; color: #b42318; }
.tool-button:hover { background: var(--blue-050); }
.tool-button.primary:hover { background: var(--blue-800); }
.tool-status { min-height: 1.4em; margin: .65rem 0 0; color: var(--blue-800); font-size: .82rem !important; font-weight: 750; }

.firewall {
  display: grid;
  gap: .8rem;
  margin-top: 1.5rem;
  counter-reset: firewall;
}

.firewall-step {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: .9rem;
  align-items: start;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  padding: 1rem;
  counter-increment: firewall;
}

.firewall-step::before {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--blue-700);
  color: white;
  content: counter(firewall);
  font-weight: 950;
}

.firewall-step h3 { margin: .05rem 0 0; font-size: 1.08rem; }
.firewall-step p { margin-top: .35rem; color: var(--muted); font-size: .92rem; }

.red-flag-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: .65rem;
  margin-top: 1rem;
  padding: 0 !important;
  list-style: none;
}

.red-flag-list li {
  border: 1px solid #f0c9c5;
  border-radius: 10px;
  background: #fff7f7;
  padding: .75rem;
  color: #7a271a;
  font-size: .9rem;
}

.case-card {
  border-top: 4px solid var(--blue-600);
}

.case-tag {
  display: inline-flex;
  margin-bottom: .65rem;
  border-radius: 999px;
  background: var(--blue-100);
  padding: .3rem .55rem;
  color: var(--blue-800);
  font-size: .72rem;
  font-weight: 900;
}

.case-card ol { padding-left: 1.1rem; }
.case-card li { font-size: .91rem; }

.variation-list {
  display: grid;
  gap: .75rem;
  margin-top: 1.3rem;
}

.variation-item {
  border-left: 4px solid var(--blue-600);
  background: var(--surface-soft);
  padding: .9rem 1rem;
}

.variation-item strong { color: var(--blue-900); }
.variation-item p { margin-top: .3rem; color: var(--muted); font-size: .92rem; }

.mastery-list {
  display: grid;
  gap: .65rem;
  margin-top: 1.2rem;
  padding: 0 !important;
  list-style: none;
}

.mastery-list li {
  display: grid;
  grid-template-columns: 26px minmax(0, 1fr);
  gap: .6rem;
  align-items: start;
}

.mastery-list li::before {
  display: grid;
  place-items: center;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: #e6f5eb;
  color: #137a3d;
  content: "✓";
  font-size: .78rem;
  font-weight: 950;
}

.resource-card {
  display: grid;
  align-content: start;
  gap: .55rem;
}

.resource-card a,
.connected-card a {
  width: fit-content;
  color: var(--blue-700);
  font-weight: 850;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.resource-number {
  color: var(--blue-900);
  font-size: 1.5rem;
  font-weight: 950;
}

.connected-card {
  position: relative;
  overflow: hidden;
}

.connected-card::after {
  position: absolute;
  right: -22px;
  bottom: -28px;
  width: 90px;
  height: 90px;
  border-radius: 50%;
  background: var(--blue-050);
  content: "";
}

.sources {
  margin-top: 2rem;
  border-top: 1px solid var(--line);
  padding-top: 1.5rem;
}

.sources h3 { margin-top: 0; font-size: 1.05rem; }
.sources ol { padding-left: 1.2rem; }
.sources li { color: var(--muted); font-size: .84rem; }
.sources a { color: var(--blue-700); text-decoration: underline; text-underline-offset: 3px; }
.source-marker { color: var(--blue-700); font-size: .78em; font-weight: 900; vertical-align: super; }

.review-request {
  border: 2px dashed #a9c9e8;
  border-radius: var(--radius);
  background: var(--blue-050);
  padding: 1.3rem;
}

.review-request h3 { margin-top: 0; }
.review-request p { color: var(--muted); }

@media (max-width: 1040px) {
  .module-layout { grid-template-columns: 1fr; }
  .chapter-nav {
    position: static;
    overflow-x: auto;
    padding: .75rem;
  }
  .chapter-nav ol {
    display: flex;
    min-width: max-content;
  }
  .chapter-nav a { width: 190px; }
  .formula,
  .cycle { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .cycle-step:nth-child(2)::after { content: "↓"; }
}

@media (max-width: 760px) {
  .emergency-strip { grid-template-columns: 1fr; }
  .emergency-strip a { width: fit-content; }
  .learning-section { scroll-margin-top: 126px; }
  .contrast-grid,
  .two-column,
  .case-grid,
  .resource-grid,
  .connected-grid,
  .door-grid,
  .field-grid,
  .check-grid,
  .red-flag-list { grid-template-columns: 1fr; }
  .formula,
  .cycle { grid-template-columns: 1fr; }
  .cycle-step::after { top: auto; right: 50%; bottom: -.85rem; content: "↓" !important; }
  .cycle-step:last-child::after { content: "↺" !important; }
  .worksheet-head { display: grid; }
  .local-label { width: fit-content; }
  .field-full { grid-column: auto; }
}

@media print {
  .utility-bar,
  .site-header,
  .chapter-nav,
  .emergency-strip a,
  .worksheet-actions,
  .site-footer { display: none !important; }
  body { color: #000; }
  .page-shell { width: 100%; }
  .module-layout { display: block; padding: 0; }
  .learning-section { break-inside: avoid; padding-bottom: 2rem; }
  .learning-section + .learning-section { padding-top: 2rem; }
  .worksheet,
  .concept-box,
  .correction-box,
  .micro-change,
  .safety-box,
  .case-card,
  .door-card { box-shadow: none; }
}