.lesson-page {
  background: var(--fx-white);
}

.lesson-page:not(.lesson-page--approved-system) .lesson-nav-toggle,
.lesson-page:not(.lesson-page--approved-system) [data-lesson-nav-state] {
  display: none;
}

.lesson-page .shell {
  width: min(calc(100% - 48px), var(--fx-container));
  margin-inline: auto;
}

.lesson-page .section-pad {
  padding-block: clamp(64px, 8vw, 104px);
}

.lesson-reading-progress {
  position: fixed;
  z-index: 1700;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: transparent;
}

.lesson-reading-progress span {
  display: block;
  width: 0;
  height: 100%;
  background: var(--fx-orange-500);
}

.lesson-hero {
  padding-block: clamp(54px, 8vw, 108px);
  background:
    radial-gradient(circle at 88% 22%, rgba(243, 107, 19, 0.12), transparent 30%),
    linear-gradient(135deg, var(--fx-cream), var(--fx-white) 58%, var(--fx-soft));
  border-bottom: 1px solid var(--fx-line);
}

.lesson-breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 28px;
  color: var(--fx-muted);
  font-size: 0.86rem;
}

.lesson-breadcrumb a:hover {
  color: var(--fx-orange-600);
}

.lesson-hero-inner {
  max-width: 980px;
}

.lesson-labels,
.lesson-meta,
.lesson-hero-actions,
.lesson-card-meta,
.lesson-practice-facts,
.lesson-share div {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.lesson-labels span,
.lesson-meta span,
.lesson-card-meta span,
.lesson-practice-facts span {
  padding: 7px 11px;
  border: 1px solid var(--fx-line);
  border-radius: 999px;
  color: var(--fx-navy-800);
  background: rgba(255, 255, 255, 0.9);
  font-size: 0.78rem;
  font-weight: 800;
}

.lesson-labels .lesson-badge-highlight {
  border-color: rgba(233, 87, 9, 0.25);
  color: var(--fx-orange-600);
  background: var(--fx-orange-100);
}

.lesson-hero h1 {
  max-width: 920px;
  margin: 22px 0 18px;
}

.lesson-intro {
  max-width: 800px;
  font-size: clamp(1.05rem, 2vw, 1.3rem);
}

.lesson-meta {
  margin: 24px 0;
}

.lesson-hero-actions {
  margin-top: 28px;
}

.lesson-optional-visual {
  margin: 38px 0 0;
  overflow: hidden;
  border: 1px solid var(--fx-line);
  border-radius: var(--fx-radius-lg);
  background: var(--fx-white);
  box-shadow: var(--fx-shadow-md);
}

.lesson-optional-visual img {
  width: 100%;
  max-height: 680px;
  object-fit: contain;
  background: var(--fx-soft);
}

.lesson-audio-toolbar {
  position: sticky;
  z-index: 900;
  top: var(--fx-header-height);
  border-bottom: 1px solid var(--fx-line);
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(14px);
}

.lesson-audio-inner {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 10px 24px;
  align-items: center;
  padding-block: 14px;
}

.lesson-audio-copy strong,
.lesson-audio-copy small {
  display: block;
}

.lesson-audio-copy small,
.lesson-audio-status {
  color: var(--fx-muted);
}

.lesson-audio-controls {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px;
}

.lesson-audio-controls button,
.lesson-audio-controls select,
.lesson-share button,
.lesson-share a {
  min-height: 42px;
  padding: 9px 13px;
  border: 1px solid var(--fx-line);
  border-radius: var(--fx-radius-sm);
  background: var(--fx-white);
  font-weight: 800;
}

.lesson-audio-progress {
  grid-column: 1 / -1;
  height: 4px;
  overflow: hidden;
  border-radius: 999px;
  background: var(--fx-line);
}

.lesson-audio-progress span {
  display: block;
  width: 0;
  height: 100%;
  background: var(--fx-orange-500);
}

.lesson-audio-status {
  grid-column: 1 / -1;
  margin: 0;
  font-size: 0.8rem;
}

.lesson-layout {
  display: grid;
  grid-template-columns: 250px minmax(0, 1fr);
  gap: clamp(34px, 6vw, 76px);
  align-items: start;
  padding-block: clamp(58px, 8vw, 104px);
}

.lesson-sidebar {
  position: sticky;
  top: calc(var(--fx-header-height) + 28px);
}

.lesson-sidebar nav {
  display: grid;
  gap: 4px;
  padding: 20px;
  border: 1px solid var(--fx-line);
  border-radius: var(--fx-radius-md);
  background: var(--fx-white);
  box-shadow: var(--fx-shadow-sm);
}

.lesson-sidebar nav strong {
  margin-bottom: 8px;
  color: var(--fx-navy-950);
}

.lesson-sidebar nav a {
  padding: 8px 10px;
  border-radius: 8px;
  color: var(--fx-muted);
  font-size: 0.88rem;
}

.lesson-sidebar nav a:hover {
  color: var(--fx-navy-950);
  background: var(--fx-soft);
}

.lesson-sidebar-cta {
  display: grid;
  gap: 4px;
  margin-top: 14px;
  padding: 18px;
  border-radius: var(--fx-radius-md);
  color: var(--fx-white);
  background: var(--fx-navy-950);
}

.lesson-sidebar-cta span {
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.78rem;
}

.lesson-article {
  min-width: 0;
}

.lesson-article > section,
.lesson-adjacent,
.lesson-share {
  margin-bottom: 22px;
  padding: clamp(24px, 4vw, 42px);
  border: 1px solid var(--fx-line);
  border-radius: var(--fx-radius-lg);
  background: var(--fx-white);
  box-shadow: var(--fx-shadow-sm);
}

.lesson-article h2 {
  font-size: clamp(1.55rem, 3vw, 2.35rem);
}

.lesson-article h3 {
  margin-top: 28px;
}

.lesson-article p,
.lesson-article li {
  font-size: 1.02rem;
  line-height: 1.82;
}

.lesson-article ul,
.lesson-article ol {
  padding-left: 24px;
}

.lesson-session-plan {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  margin-top: 24px;
}

.lesson-session-plan span {
  padding: 14px;
  border-radius: var(--fx-radius-sm);
  color: var(--fx-navy-800);
  background: var(--fx-soft);
  font-size: 0.82rem;
  font-weight: 800;
}

.lesson-session-plan strong {
  display: block;
  color: var(--fx-orange-600);
}

.lesson-highlight,
.lesson-soft {
  background: var(--fx-cream) !important;
}

.lesson-warning {
  border-color: #f2d3ae !important;
  background: #fff9ef !important;
}

.lesson-action-plan,
.lesson-summary {
  border-color: #cfe5d8 !important;
  background: var(--fx-green-100) !important;
}

.lesson-practice-summary,
.lesson-feedback-card,
.library-cta-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.lesson-practice-panel {
  margin-top: 28px;
  padding-top: 24px;
  border-top: 1px solid var(--fx-line);
}

.lesson-practice-panel[hidden],
.lesson-practice-step[hidden],
.lesson-practice-actions [hidden] {
  display: none !important;
}

.lesson-practice-progress > div {
  height: 8px;
  overflow: hidden;
  border-radius: 999px;
  background: var(--fx-line);
}

.lesson-practice-progress > div span {
  display: block;
  width: 25%;
  height: 100%;
  background: var(--fx-orange-500);
}

.lesson-practice-step {
  display: grid;
  gap: 10px;
  margin-top: 24px;
}

.lesson-practice-step > span {
  color: var(--fx-orange-600);
  font-size: 0.76rem;
  font-weight: 900;
  text-transform: uppercase;
}

.lesson-practice-step textarea {
  width: 100%;
  padding: 14px;
  resize: vertical;
  border: 1px solid var(--fx-line);
  border-radius: var(--fx-radius-sm);
}

.lesson-answer-count,
.lesson-practice-status {
  color: var(--fx-muted);
  font-size: 0.78rem;
}

.lesson-practice-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  align-items: center;
  margin-top: 20px;
}

.lesson-practice-status {
  flex: 1 1 100%;
}

.lesson-check-list {
  display: grid;
  gap: 10px;
}

.lesson-check-list label {
  display: flex;
  gap: 10px;
  padding: 12px;
  border: 1px solid var(--fx-line);
  border-radius: var(--fx-radius-sm);
}

.lesson-check-list input {
  width: 20px;
  height: 20px;
  accent-color: var(--fx-orange-500);
}

.lesson-faq details {
  border-top: 1px solid var(--fx-line);
}

.lesson-faq summary {
  padding: 16px 0;
  color: var(--fx-navy-950);
  font-weight: 850;
  cursor: pointer;
}

.lesson-author {
  border-left: 5px solid var(--fx-orange-500) !important;
}

.lesson-author > span {
  color: var(--fx-orange-600);
  font-size: 0.75rem;
  font-weight: 900;
  text-transform: uppercase;
}

.lesson-feedback-card form {
  min-width: 260px;
}

.lesson-star-rating {
  display: flex;
  gap: 4px;
}

.lesson-star-rating button {
  padding: 2px;
  border: 0;
  color: #c7ced8;
  background: transparent;
  font-size: 2rem;
}

.lesson-star-rating button.is-selected {
  color: #f5a623;
}

.lesson-rating-summary strong,
.lesson-rating-summary span {
  display: block;
}

.lesson-rating-summary span,
.lesson-feedback-status {
  color: var(--fx-muted);
  font-size: 0.8rem;
}

.lesson-adjacent {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.lesson-adjacent a {
  display: grid;
  gap: 4px;
  padding: 16px;
  border: 1px solid var(--fx-line);
  border-radius: var(--fx-radius-sm);
}

.lesson-adjacent span {
  color: var(--fx-orange-600);
  font-size: 0.74rem;
  font-weight: 900;
  text-transform: uppercase;
}

.lesson-share {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.library-related {
  background: var(--fx-soft);
}

.related-lesson-list {
  display: grid;
  gap: 14px;
}

.related-lesson-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 26px;
  padding: 24px;
  border: 1px solid var(--fx-line);
  border-radius: var(--fx-radius-md);
  background: var(--fx-white);
}

.library-topic {
  color: var(--fx-orange-600);
  font-size: 0.74rem;
  font-weight: 900;
  text-transform: uppercase;
}

.text-link {
  color: var(--fx-orange-600);
  font-weight: 850;
}

.related-course-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.related-course-card {
  padding: 24px;
  border: 1px solid var(--fx-line);
  border-radius: var(--fx-radius-md);
  background: var(--fx-white);
  box-shadow: var(--fx-shadow-sm);
}

.related-course-card > span {
  color: var(--fx-orange-600);
  font-size: 0.74rem;
  font-weight: 900;
  text-transform: uppercase;
}

.library-assessment-cta {
  padding-block: clamp(64px, 8vw, 96px);
  color: var(--fx-white);
  background: var(--fx-navy-950);
}

.library-assessment-cta h2,
.library-assessment-cta p {
  color: var(--fx-white);
}

.library-cta-inner > div:last-child {
  display: grid;
  gap: 10px;
  justify-items: start;
  min-width: 270px;
}

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

  .lesson-sidebar {
    position: static;
  }

  .lesson-sidebar nav {
    display: flex;
    overflow-x: auto;
  }

  .lesson-sidebar nav strong {
    display: none;
  }

  .lesson-sidebar nav a {
    flex: 0 0 auto;
  }

  .lesson-sidebar-cta {
    display: none;
  }

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

@media (max-width: 680px) {
  .lesson-page .shell {
    width: min(calc(100% - 28px), var(--fx-container));
  }

  .lesson-audio-toolbar {
    position: static;
  }

  .lesson-audio-inner,
  .lesson-session-plan,
  .related-course-grid,
  .lesson-adjacent {
    grid-template-columns: 1fr;
  }

  .lesson-audio-controls {
    justify-content: flex-start;
  }

  .lesson-practice-summary,
  .lesson-feedback-card,
  .library-cta-inner,
  .lesson-share,
  .related-lesson-card {
    display: grid;
    grid-template-columns: 1fr;
  }

  .lesson-feedback-card form,
  .library-cta-inner > div:last-child {
    min-width: 0;
  }

  .lesson-article > section,
  .lesson-adjacent,
  .lesson-share {
    padding: 22px;
    border-radius: var(--fx-radius-md);
  }

  .lesson-star-rating button {
    min-width: 42px;
    min-height: 42px;
  }
}
.lesson-practice-submit {
  display: grid;
  gap: 18px;
  margin-top: 22px;
  padding: clamp(20px, 3vw, 30px);
  border: 1px solid rgba(243, 107, 19, .34);
  border-radius: var(--fx-radius-md);
  background: linear-gradient(145deg, #fff 0%, #fff9f3 100%);
}

.lesson-practice-submit[hidden] { display: none; }
.lesson-practice-submit > div:first-child { display: grid; gap: 5px; }
.lesson-practice-submit > div:first-child > span { color: var(--fx-orange-600); font-size: .74rem; font-weight: 900; letter-spacing: .08em; text-transform: uppercase; }
.lesson-practice-submit > div:first-child > strong { color: var(--fx-navy-950); font-size: 1.15rem; }
.lesson-practice-submit > div:first-child > p { margin: 0; font-size: .88rem; }
.lesson-practice-identity-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.lesson-practice-identity-grid label { display: grid; gap: 7px; color: var(--fx-navy-950); font-size: .8rem; font-weight: 800; }
.lesson-practice-identity-grid input { width: 100%; min-height: 48px; padding: 11px 13px; border: 1px solid var(--fx-line); border-radius: 8px; background: #fff; color: var(--fx-ink); font: inherit; }
.lesson-practice-identity-grid input:focus { outline: 3px solid rgba(243, 107, 19, .16); border-color: var(--fx-orange-500); }
.lesson-practice-submit .button { justify-self: start; }
.lesson-practice-submit-status { min-height: 1.35em; margin: 0; color: var(--fx-muted); font-size: .85rem; font-weight: 700; }
.lesson-practice-honeypot { position: absolute !important; left: -10000px !important; width: 1px !important; height: 1px !important; overflow: hidden !important; }

@media (max-width: 620px) {
  .lesson-practice-identity-grid { grid-template-columns: 1fr; }
  .lesson-practice-submit .button { width: 100%; justify-content: center; }
}

/* Approved Communication Library lesson system shared by every published lesson. */
.lesson-page--approved-system {
  --lesson-progress-height: 62px;
  --lesson-sticky-offset: calc(var(--fx-header-height) + var(--lesson-progress-height));
  background: #f8fafc;
  scroll-padding-top: calc(var(--lesson-sticky-offset) + 22px);
}

.lesson-page--approved-system main {
  overflow: clip;
}

.lesson-page--approved-system .lesson-reading-progress {
  position: sticky;
  z-index: 950;
  top: var(--fx-header-height);
  width: 100%;
  height: var(--lesson-progress-height);
  border-block: 1px solid var(--fx-line);
  background: rgba(255, 255, 255, .97);
  box-shadow: 0 7px 22px rgba(7, 30, 68, .06);
  backdrop-filter: blur(14px);
}

.lesson-page--approved-system .lesson-reading-progress__inner {
  display: grid;
  grid-template-columns: auto minmax(180px, 1fr);
  gap: 22px;
  align-items: center;
  min-height: 100%;
  padding-block: 9px;
}

.lesson-page--approved-system .lesson-reading-progress__label {
  display: flex;
  align-items: baseline;
  gap: 12px;
  min-width: 250px;
  color: var(--fx-navy-950);
}

.lesson-page--approved-system .lesson-reading-progress__label span {
  width: auto;
  height: auto;
  background: transparent;
  font-size: .75rem;
  font-weight: 900;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.lesson-page--approved-system .lesson-reading-progress__label strong {
  color: var(--fx-orange-600);
  font-size: .88rem;
  white-space: nowrap;
}

.lesson-page--approved-system .lesson-reading-progress__track {
  height: 7px;
  overflow: hidden;
  border-radius: 999px;
  background: #e8edf4;
}

.lesson-page--approved-system .lesson-reading-progress__track span {
  display: block;
  width: 0;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--fx-orange-500), #f59a55);
  transition: width .12s linear;
}

.lesson-page--approved-system .lesson-reading-progress.is-complete .lesson-reading-progress__label strong {
  color: #167149;
}

.lesson-page--approved-system .lesson-reading-progress.is-complete .lesson-reading-progress__track span {
  background: #23875d;
}

.lesson-page--approved-system .lesson-hero {
  padding-block: clamp(28px, 4vw, 54px);
  border-bottom: 0;
  background:
    radial-gradient(circle at 92% 16%, rgba(243, 107, 19, .12), transparent 28%),
    linear-gradient(150deg, #fffaf5 0%, #f7f9fc 60%, #eef4fa 100%);
}

.lesson-page--approved-system .lesson-hero-frame {
  padding: clamp(24px, 4vw, 48px);
  border: 1px solid rgba(185, 197, 214, .78);
  border-radius: 28px;
  background: rgba(255, 255, 255, .88);
  box-shadow: 0 24px 64px rgba(8, 32, 72, .09);
}

.lesson-page--approved-system .lesson-breadcrumb {
  margin-bottom: 30px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--fx-line);
  font-size: .82rem;
}

.lesson-page--approved-system .lesson-breadcrumb [aria-current="page"] {
  max-width: 34ch;
  overflow: hidden;
  color: var(--fx-navy-800);
  font-weight: 750;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.lesson-page--approved-system .lesson-hero-inner {
  max-width: none;
}

.lesson-page--approved-system .lesson-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.65fr) minmax(300px, .72fr);
  gap: clamp(30px, 5vw, 68px);
  align-items: end;
}

.lesson-page--approved-system .lesson-hero h1 {
  max-width: 14ch;
  margin: 22px 0 20px;
  font-size: clamp(2.65rem, 5.1vw, 4.75rem);
  line-height: .99;
  letter-spacing: -.045em;
}

.lesson-page--approved-system .lesson-intro {
  max-width: 66ch;
  margin: 0;
  color: #526178;
  font-size: clamp(1.02rem, 1.5vw, 1.2rem);
  line-height: 1.72;
}

.lesson-page--approved-system .lesson-labels span {
  background: #fff;
}

.lesson-page--approved-system .lesson-hero-details {
  padding: 22px;
  border: 1px solid var(--fx-line);
  border-radius: 18px;
  background: #f7f9fc;
}

.lesson-page--approved-system .lesson-meta {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 9px;
  margin: 0;
}

.lesson-page--approved-system .lesson-meta span {
  display: grid;
  align-content: center;
  min-height: 62px;
  padding: 11px 12px;
  border-radius: 10px;
  background: #fff;
  line-height: 1.35;
}

.lesson-page--approved-system .lesson-meta strong {
  display: block;
}

.lesson-page--approved-system .lesson-hero-actions {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  margin-top: 14px;
}

.lesson-page--approved-system .lesson-hero-actions .button {
  width: 100%;
  justify-content: center;
}

.lesson-page--approved-system .lesson-audio-toolbar {
  position: static;
  z-index: auto;
  padding-block: 24px 0;
  border: 0;
  background: #f8fafc;
  backdrop-filter: none;
}

.lesson-page--approved-system .lesson-audio-inner {
  display: grid;
  grid-template-columns: minmax(240px, 1fr) auto;
  gap: 14px 28px;
  padding: 20px 22px;
  border: 1px solid var(--fx-line);
  border-radius: 18px;
  background: #fff;
  box-shadow: 0 12px 32px rgba(8, 32, 72, .07);
}

.lesson-page--approved-system .lesson-audio-kicker {
  display: block;
  margin-bottom: 4px;
  color: var(--fx-orange-600);
  font-size: .7rem;
  font-weight: 900;
  letter-spacing: .09em;
  text-transform: uppercase;
}

.lesson-page--approved-system .lesson-audio-copy strong {
  color: var(--fx-navy-950);
  font-size: 1.03rem;
}

.lesson-page--approved-system .lesson-audio-controls {
  align-items: stretch;
}

.lesson-page--approved-system .lesson-audio-controls button,
.lesson-page--approved-system .lesson-audio-controls select {
  min-height: 46px;
  border-color: #cad3df;
  border-radius: 10px;
  transition: border-color .18s ease, background-color .18s ease, color .18s ease, transform .18s ease;
}

.lesson-page--approved-system .lesson-audio-controls button:not(:disabled):hover {
  border-color: var(--fx-orange-500);
  transform: translateY(-1px);
}

.lesson-page--approved-system .lesson-audio-controls button:disabled {
  cursor: not-allowed;
  opacity: .45;
}

.lesson-page--approved-system .lesson-audio-controls label {
  display: grid;
  grid-template-columns: auto 78px;
  align-items: center;
  gap: 8px;
  color: var(--fx-muted);
  font-size: .76rem;
  font-weight: 800;
}

.lesson-page--approved-system .lesson-audio-toolbar[data-tts-state="playing"] [data-tts-play],
.lesson-page--approved-system .lesson-audio-toolbar[data-tts-state="paused"] [data-tts-pause] {
  border-color: var(--fx-orange-500);
  color: #fff;
  background: var(--fx-orange-500);
}

.lesson-page--approved-system .lesson-audio-progress {
  height: 6px;
}

.lesson-page--approved-system .lesson-audio-status {
  min-height: 1.3em;
  font-weight: 700;
}

.lesson-page--approved-system .lesson-layout {
  grid-template-columns: 286px minmax(0, 1fr);
  gap: clamp(34px, 4vw, 58px);
  padding-block: clamp(44px, 6vw, 78px);
}

.lesson-page--approved-system .lesson-sidebar {
  top: calc(var(--lesson-sticky-offset) + 20px);
}

.lesson-page--approved-system .lesson-nav-toggle {
  display: none;
}

.lesson-page--approved-system .lesson-sidebar nav {
  gap: 3px;
  padding: 16px;
  border-radius: 16px;
  box-shadow: 0 12px 30px rgba(8, 32, 72, .07);
}

.lesson-page--approved-system .lesson-sidebar nav > strong {
  margin: 2px 8px 10px;
  font-size: .78rem;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.lesson-page--approved-system .lesson-sidebar nav a {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 8px;
  align-items: center;
  min-height: 48px;
  padding: 8px 9px 8px 12px;
  border-left: 3px solid transparent;
  border-radius: 8px;
  color: #66748a;
  transition: border-color .18s ease, background-color .18s ease, color .18s ease;
}

.lesson-page--approved-system .lesson-sidebar nav a small {
  color: #8793a5;
  font-size: .62rem;
  font-weight: 850;
  letter-spacing: .04em;
  text-transform: uppercase;
}

.lesson-page--approved-system .lesson-sidebar nav a[data-state="complete"] {
  color: #306a54;
  background: #f0f8f4;
}

.lesson-page--approved-system .lesson-sidebar nav a[data-state="complete"] small {
  color: #277052;
}

.lesson-page--approved-system .lesson-sidebar nav a[aria-current="location"] {
  border-left-color: var(--fx-orange-500);
  color: var(--fx-navy-950);
  background: #fff4e9;
}

.lesson-page--approved-system .lesson-sidebar nav a[aria-current="location"] small {
  color: var(--fx-orange-600);
}

.lesson-page--approved-system .lesson-sidebar-cta {
  margin-top: 16px;
  border: 1px solid rgba(255, 255, 255, .08);
  box-shadow: 0 12px 28px rgba(7, 30, 68, .14);
  transition: transform .18s ease, box-shadow .18s ease;
}

.lesson-page--approved-system .lesson-sidebar-cta:hover {
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 16px 32px rgba(7, 30, 68, .2);
}

.lesson-page--approved-system .lesson-article > section,
.lesson-page--approved-system .lesson-adjacent,
.lesson-page--approved-system .lesson-share {
  margin-bottom: 24px;
  padding: clamp(28px, 3.5vw, 44px);
  border-radius: 20px;
  box-shadow: 0 10px 28px rgba(8, 32, 72, .055);
  scroll-margin-top: calc(var(--lesson-sticky-offset) + 22px);
}

.lesson-page--approved-system #lesson-content {
  scroll-margin-top: calc(var(--lesson-sticky-offset) + 22px);
}

.lesson-page--approved-system .lesson-article h2 {
  margin-bottom: 20px;
  font-size: clamp(1.7rem, 2.6vw, 2.55rem);
  line-height: 1.12;
  letter-spacing: -.025em;
}

.lesson-page--approved-system .lesson-article h3 {
  line-height: 1.28;
}

.lesson-page--approved-system .lesson-article p,
.lesson-page--approved-system .lesson-article li {
  max-width: 76ch;
  color: #4e5e73;
  font-size: clamp(1rem, 1.2vw, 1.075rem);
  line-height: 1.78;
}

.lesson-page--approved-system .lesson-opening {
  border-color: #cbd9e8;
  background: linear-gradient(145deg, #fff 0%, #f2f7fc 100%);
}

.lesson-page--approved-system .lesson-session-plan span {
  min-height: 82px;
  border: 1px solid #dbe4ee;
  background: #fff;
}

.lesson-page--approved-system .lesson-highlight {
  border-color: #f0d7c1;
  background: #fffaf5 !important;
}

.lesson-page--approved-system .lesson-highlight ul {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}

.lesson-page--approved-system .lesson-highlight li {
  padding: 18px;
  border: 1px solid #f0dcc9;
  border-left: 4px solid var(--fx-orange-500);
  border-radius: 12px;
  background: #fff;
}

.lesson-page--approved-system #lesson-main {
  padding: 18px 8px 28px;
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}

.lesson-page--approved-system #lesson-main h2 {
  margin-top: 42px;
  padding-top: 38px;
  border-top: 1px solid #d9e0e9;
}

.lesson-page--approved-system #lesson-main h2:first-child {
  margin-top: 0;
  padding-top: 0;
  border-top: 0;
}

.lesson-page--approved-system #lesson-examples {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  border-color: #cdddeb;
  background: #f4f8fc !important;
}

.lesson-page--approved-system #lesson-examples > .eyebrow,
.lesson-page--approved-system #lesson-examples > h2 {
  grid-column: 1 / -1;
  margin-bottom: 0;
}

.lesson-page--approved-system #lesson-examples > p:not(.eyebrow) {
  margin: 8px 0 0;
  padding: 18px;
  border: 1px solid #d7e2ec;
  border-radius: 12px;
  background: #fff;
  font-size: .96rem;
}

.lesson-page--approved-system .lesson-warning {
  border-color: #efd0aa !important;
  box-shadow: none !important;
}

.lesson-page--approved-system #lesson-practice {
  border-left: 5px solid #376ea5;
}

.lesson-page--approved-system .lesson-action-plan ol {
  display: grid;
  gap: 10px;
  padding-left: 28px;
}

.lesson-page--approved-system .lesson-action-plan li {
  padding: 10px 14px;
  border-bottom: 1px solid rgba(35, 135, 93, .16);
}

.lesson-page--approved-system .lesson-practice-launch {
  border-color: #d5c4b4;
  background: linear-gradient(150deg, #fff 0%, #fff7ef 100%);
}

.lesson-page--approved-system .lesson-practice-summary {
  align-items: end;
}

.lesson-page--approved-system .lesson-practice-summary > div {
  max-width: 650px;
}

.lesson-page--approved-system .lesson-practice-facts span {
  background: #fff;
}

.lesson-page--approved-system .lesson-practice-panel {
  margin-top: 32px;
  padding-top: 30px;
}

.lesson-page--approved-system .lesson-practice-step textarea {
  min-height: 150px;
  padding: 16px;
  border-color: #c6d0dd;
  background: #fff;
  font: inherit;
  line-height: 1.6;
}

.lesson-page--approved-system .lesson-practice-step textarea:focus {
  border-color: var(--fx-orange-500);
  outline: 3px solid rgba(243, 107, 19, .16);
}

.lesson-page--approved-system .lesson-practice-actions .button {
  min-height: 46px;
}

.lesson-page--approved-system .lesson-self-check {
  background: #fff;
}

.lesson-page--approved-system .lesson-check-list label {
  align-items: center;
  min-height: 54px;
  padding: 14px 16px;
  background: #fbfcfe;
}

.lesson-page--approved-system .lesson-check-list label:has(input:checked) {
  border-color: #a8d2bf;
  background: #f0f8f4;
}

.lesson-page--approved-system .lesson-faq details {
  border: 1px solid var(--fx-line);
  border-radius: 12px;
  background: #fff;
}

.lesson-page--approved-system .lesson-faq details + details {
  margin-top: 10px;
}

.lesson-page--approved-system .lesson-faq summary {
  min-height: 52px;
  padding: 16px 18px;
}

.lesson-page--approved-system .lesson-faq details > div {
  padding: 0 18px 18px;
}

.lesson-page--approved-system .lesson-feedback-card {
  border-color: #d8dfe9;
  background: linear-gradient(145deg, #fff 0%, #f8fafc 100%);
}

.lesson-page--approved-system .lesson-feedback-card form {
  padding: 18px;
  border: 1px solid var(--fx-line);
  border-radius: 14px;
  background: #fff;
}

.lesson-page--approved-system .lesson-star-rating button {
  min-width: 44px;
  min-height: 44px;
  border-radius: 8px;
  transition: color .15s ease, background-color .15s ease, transform .15s ease;
}

.lesson-page--approved-system .lesson-star-rating button:not(:disabled):hover,
.lesson-page--approved-system .lesson-star-rating button:focus-visible {
  background: #fff4e9;
  transform: translateY(-1px);
}

.lesson-page--approved-system .lesson-rating-summary {
  margin-top: 8px;
}

.lesson-page--approved-system .lesson-feedback-status {
  min-height: 1.35em;
  margin: 8px 0 0;
  font-weight: 750;
}

.lesson-page--approved-system .lesson-adjacent a,
.lesson-page--approved-system .lesson-share button,
.lesson-page--approved-system .lesson-share a {
  transition: border-color .18s ease, transform .18s ease, box-shadow .18s ease;
}

.lesson-page--approved-system .lesson-adjacent a:hover,
.lesson-page--approved-system .lesson-share button:hover,
.lesson-page--approved-system .lesson-share a:hover {
  border-color: var(--fx-orange-500);
  transform: translateY(-1px);
}

.lesson-page--approved-system .library-related {
  border-block: 1px solid #dde4ed;
  background: #eef3f8;
}

.lesson-page--approved-system .related-lesson-list {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.lesson-page--approved-system .related-lesson-card {
  grid-template-columns: 1fr;
  align-content: space-between;
  min-height: 330px;
  padding: 26px;
  border-radius: 16px;
  box-shadow: 0 10px 26px rgba(8, 32, 72, .055);
  transition: border-color .18s ease, transform .18s ease, box-shadow .18s ease;
}

.lesson-page--approved-system .related-lesson-card:hover {
  border-color: #c5d3e2;
  transform: translateY(-3px);
  box-shadow: 0 16px 32px rgba(8, 32, 72, .09);
}

.lesson-page--approved-system .related-lesson-card h3 {
  margin: 10px 0 14px;
  font-size: 1.22rem;
  line-height: 1.32;
}

.lesson-page--approved-system .related-lesson-card p {
  color: #5b687b;
  line-height: 1.65;
}

.lesson-page--approved-system .related-lesson-card .lesson-card-meta {
  margin-bottom: 16px;
}

.lesson-page--approved-system .library-course-cta {
  background: #fff;
}

.lesson-page--approved-system .related-course-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}

.lesson-page--approved-system .related-course-card {
  display: grid;
  align-content: start;
  min-height: 250px;
  padding: 30px;
  border-radius: 16px;
  background: linear-gradient(145deg, #fff 0%, #f7f9fc 100%);
  transition: border-color .18s ease, transform .18s ease, box-shadow .18s ease;
}

.lesson-page--approved-system .related-course-card:hover {
  border-color: #c6d4e3;
  transform: translateY(-3px);
  box-shadow: 0 16px 34px rgba(8, 32, 72, .09);
}

.lesson-page--approved-system .related-course-card h3 {
  margin: 12px 0;
  font-size: clamp(1.35rem, 2vw, 1.75rem);
}

.lesson-page--approved-system .related-course-card .text-link {
  margin-top: auto;
}

.lesson-page--approved-system .text-link > [aria-hidden="true"] {
  display: none;
}

.lesson-page--approved-system .library-assessment-cta {
  margin-block: 18px 48px;
  padding-block: clamp(54px, 7vw, 80px);
  border-block: 1px solid rgba(255, 255, 255, .1);
  background:
    radial-gradient(circle at 82% 20%, rgba(243, 107, 19, .25), transparent 24%),
    var(--fx-navy-950);
}

.lesson-page--approved-system .flunexa-live-chat__button {
  min-width: 56px;
  min-height: 56px;
  justify-content: center;
  padding: 7px;
}

.lesson-page--approved-system .flunexa-live-chat__copy {
  display: none;
}

@media (min-width: 901px) {
  .lesson-page--approved-system .site-footer__registration {
    margin-right: 76px;
  }
}

.lesson-page--approved-system .library-cta-inner {
  padding: 0;
}

.lesson-page--approved-system :where(a, button, select, textarea, input, summary):focus-visible {
  outline: 3px solid rgba(243, 107, 19, .3);
  outline-offset: 3px;
}

@media (max-width: 1100px) {
  .lesson-page--approved-system {
    --lesson-sticky-offset: calc(var(--fx-header-height) + var(--lesson-progress-height) + 68px);
  }

  .lesson-page--approved-system .lesson-hero-grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(280px, .8fr);
    gap: 30px;
  }

  .lesson-page--approved-system .lesson-layout {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .lesson-page--approved-system .lesson-sidebar {
    position: sticky;
    z-index: 940;
    top: calc(var(--fx-header-height) + var(--lesson-progress-height) + 8px);
  }

  .lesson-page--approved-system .lesson-nav-toggle {
    display: flex;
    width: 100%;
    min-height: 58px;
    padding: 12px 16px;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    border: 1px solid var(--fx-line);
    border-radius: 14px;
    color: var(--fx-navy-950);
    background: #fff;
    box-shadow: 0 9px 22px rgba(8, 32, 72, .06);
    text-align: left;
  }

  .lesson-page--approved-system .lesson-nav-toggle span {
    font-size: .74rem;
    font-weight: 900;
    letter-spacing: .08em;
    text-transform: uppercase;
  }

  .lesson-page--approved-system .lesson-nav-toggle strong {
    color: var(--fx-orange-600);
    font-size: .88rem;
  }

  .lesson-page--approved-system .lesson-sidebar nav {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    margin-top: 10px;
  }

  .lesson-page--approved-system .lesson-sidebar nav > strong {
    grid-column: 1 / -1;
  }

  .lesson-page--approved-system .lesson-sidebar.is-collapsed nav {
    display: none;
  }

  .lesson-page--approved-system .lesson-sidebar-cta {
    display: none;
  }
}

@media (max-width: 900px) {
  .lesson-page--approved-system .flunexa-live-chat {
    position: static;
    display: flex;
    justify-content: flex-end;
    margin: 16px 12px;
  }

  .lesson-page--approved-system .lesson-hero-grid,
  .lesson-page--approved-system .lesson-audio-inner {
    grid-template-columns: 1fr;
  }

  .lesson-page--approved-system .lesson-hero h1 {
    max-width: 16ch;
  }

  .lesson-page--approved-system .lesson-hero-details {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(220px, .52fr);
    gap: 14px;
  }

  .lesson-page--approved-system .lesson-hero-actions {
    margin-top: 0;
  }

  .lesson-page--approved-system .lesson-audio-controls {
    justify-content: flex-start;
  }

  .lesson-page--approved-system .lesson-highlight ul,
  .lesson-page--approved-system #lesson-examples,
  .lesson-page--approved-system .related-lesson-list {
    grid-template-columns: 1fr;
  }

  .lesson-page--approved-system .related-lesson-card {
    min-height: 0;
  }
}

@media (max-width: 680px) {
  .lesson-page--approved-system {
    --lesson-progress-height: 58px;
    --lesson-mobile-header-height: 70px;
    --lesson-sticky-offset: calc(var(--lesson-mobile-header-height) + var(--lesson-progress-height));
  }

  .lesson-page--approved-system .lesson-reading-progress {
    top: var(--lesson-mobile-header-height);
    z-index: 950;
    margin: 0;
    overflow: hidden;
  }

  .lesson-page--approved-system .lesson-reading-progress__inner {
    width: min(calc(100% - 24px), var(--fx-container));
    min-width: 0;
  }

  .lesson-page--approved-system .lesson-reading-progress__track {
    width: 100%;
    min-width: 0;
  }

  .lesson-page--approved-system .lesson-reading-progress__track span,
  .lesson-page--approved-system .lesson-reading-progress.is-complete .lesson-reading-progress__track span {
    background: linear-gradient(90deg, #7ed83f, #55bd32);
  }

  .lesson-page--approved-system .lesson-reading-progress__inner {
    grid-template-columns: 1fr;
    gap: 6px;
    padding-block: 7px;
  }

  .lesson-page--approved-system .lesson-reading-progress__label {
    justify-content: space-between;
    min-width: 0;
  }

  .lesson-page--approved-system .lesson-reading-progress__label span,
  .lesson-page--approved-system .lesson-reading-progress__label strong {
    font-size: .72rem;
  }

  .lesson-page--approved-system .lesson-hero {
    padding-block: 18px 28px;
  }

  .lesson-page--approved-system .lesson-hero-frame {
    padding: 20px;
    border-radius: 20px;
  }

  .lesson-page--approved-system .lesson-breadcrumb {
    gap: 6px;
    margin-bottom: 22px;
    padding-bottom: 14px;
  }

  .lesson-page--approved-system .lesson-breadcrumb [aria-current="page"] {
    display: none;
  }

  .lesson-page--approved-system .lesson-breadcrumb span:nth-last-child(2) {
    display: none;
  }

  .lesson-page--approved-system .lesson-hero h1 {
    margin-top: 18px;
    font-size: clamp(2.2rem, 11.2vw, 3.15rem);
    line-height: 1.02;
  }

  .lesson-page--approved-system .lesson-intro {
    font-size: 1rem;
  }

  .lesson-page--approved-system .lesson-hero-details {
    grid-template-columns: 1fr;
    padding: 14px;
  }

  .lesson-page--approved-system .lesson-meta {
    grid-template-columns: 1fr;
  }

  .lesson-page--approved-system .lesson-meta span {
    min-height: 50px;
  }

  .lesson-page--approved-system .lesson-hero-actions .button {
    min-height: 48px;
  }

  .lesson-page--approved-system .lesson-audio-toolbar {
    padding-top: 16px;
  }

  .lesson-page--approved-system .lesson-audio-inner {
    padding: 18px;
    border-radius: 14px;
  }

  .lesson-page--approved-system .lesson-audio-controls {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .lesson-page--approved-system .lesson-audio-controls button,
  .lesson-page--approved-system .lesson-audio-controls label {
    width: 100%;
  }

  .lesson-page--approved-system .lesson-audio-controls label {
    grid-column: 1 / -1;
    grid-template-columns: 1fr 94px;
  }

  .lesson-page--approved-system .lesson-audio-controls select {
    width: 100%;
  }

  .lesson-page--approved-system .lesson-layout {
    padding-block: 28px 54px;
  }

  .lesson-page--approved-system .lesson-nav-toggle {
    align-items: flex-start;
    flex-direction: column;
    gap: 4px;
  }

  .lesson-page--approved-system .lesson-sidebar nav {
    grid-template-columns: 1fr;
  }

  .lesson-page--approved-system .lesson-article > section,
  .lesson-page--approved-system .lesson-adjacent,
  .lesson-page--approved-system .lesson-share {
    padding: 22px;
    border-radius: 15px;
  }

  .lesson-page--approved-system #lesson-main {
    padding-inline: 2px;
  }

  .lesson-page--approved-system .lesson-session-plan,
  .lesson-page--approved-system .related-course-grid {
    grid-template-columns: 1fr;
  }

  .lesson-page--approved-system .lesson-practice-summary,
  .lesson-page--approved-system .lesson-feedback-card,
  .lesson-page--approved-system .lesson-share,
  .lesson-page--approved-system .library-cta-inner {
    gap: 20px;
  }

  .lesson-page--approved-system .lesson-practice-summary .button,
  .lesson-page--approved-system .lesson-practice-actions .button,
  .lesson-page--approved-system .lesson-practice-submit .button {
    width: 100%;
    justify-content: center;
  }

  .lesson-page--approved-system .lesson-practice-actions {
    display: grid;
    grid-template-columns: 1fr;
  }

  .lesson-page--approved-system .lesson-star-rating {
    justify-content: space-between;
  }

  .lesson-page--approved-system .lesson-star-rating button {
    min-width: 46px;
  }

  .lesson-page--approved-system .library-assessment-cta {
    margin-bottom: 34px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .lesson-page--approved-system *,
  .lesson-page--approved-system *::before,
  .lesson-page--approved-system *::after {
    scroll-behavior: auto !important;
    transition-duration: .01ms !important;
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
  }
}