:root {
  --canvas: #f4f6f4;
  --surface: #ffffff;
  --surface-muted: #f7f9f7;
  --ink: #183849;
  --ink-soft: #58717d;
  --line: #d8e1dd;
  --brand: #0f4c5c;
  --brand-strong: #0a3844;
  --accent: #1f7a6f;
  --accent-soft: #dff1eb;
  --warning: #bf6b36;
  --shadow: 0 22px 48px rgba(15, 47, 57, 0.08);
  --radius-lg: 28px;
  --radius-md: 20px;
  --radius-sm: 14px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  color: var(--ink);
  font-family: "Work Sans", sans-serif;
  background:
    radial-gradient(circle at top left, rgba(31, 122, 111, 0.08), transparent 24%),
    linear-gradient(180deg, #fbfcfb 0%, var(--canvas) 100%);
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input {
  font: inherit;
}

button {
  cursor: pointer;
}

.site-header,
.lesson-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  padding: 24px 40px;
  border-bottom: 1px solid rgba(24, 56, 73, 0.08);
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(12px);
}

.site-brand,
.lesson-header-left {
  display: flex;
  align-items: center;
  gap: 16px;
}

.brand-mark {
  width: 52px;
  height: 52px;
  object-fit: contain;
}

.brand-kicker,
.eyebrow,
.module-number {
  margin: 0;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--accent);
}

.site-header h1,
.lesson-header h1,
.hero-copy h2,
.section-heading h3,
.lesson-progress-strip h2,
.lesson-card h3,
.assessment-card h3,
.result-card h3,
.certificate-card h2 {
  margin: 0;
  font-family: "Fraunces", serif;
  font-weight: 600;
}

.site-header h1,
.lesson-header h1 {
  font-size: 1.4rem;
}

.header-actions,
.lesson-header-actions,
.lesson-footer,
.module-card-footer,
.module-card-header,
.section-heading,
.summary-stat {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}

.field-label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--ink);
}

.text-input {
  width: 100%;
  min-height: 46px;
  padding: 0 14px;
  border-radius: 14px;
  border: 1px solid rgba(15, 76, 92, 0.16);
  background: var(--surface-muted);
  color: var(--ink);
}

.primary-button,
.ghost-button,
.resource-toggle,
.resource-tab,
.answer-option {
  border-radius: 999px;
  transition: 0.2s ease;
}

.primary-button,
.ghost-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 18px;
  border: 1px solid transparent;
  font-weight: 600;
}

.primary-button {
  background: var(--brand);
  color: #fff;
  box-shadow: 0 12px 22px rgba(15, 76, 92, 0.18);
}

.primary-button:hover {
  background: var(--brand-strong);
}

.ghost-button {
  background: rgba(255, 255, 255, 0.6);
  color: var(--brand);
  border-color: rgba(15, 76, 92, 0.18);
}

.ghost-button:hover,
.resource-toggle:hover,
.resource-tab:hover {
  border-color: rgba(15, 76, 92, 0.3);
  background: rgba(15, 76, 92, 0.05);
}

.is-active-mode {
  background: rgba(15, 76, 92, 0.12);
  border-color: rgba(15, 76, 92, 0.28);
}

.home-layout,
.record-layout {
  max-width: 1240px;
  margin: 0 auto;
  padding: 40px;
}

.hero-panel {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(320px, 420px);
  gap: 24px;
  margin-bottom: 28px;
}

.hero-copy,
.summary-card,
.module-panel,
.module-card,
.lesson-shell,
.lesson-card,
.resource-panel,
.assessment-card,
.assessment-status,
.result-card,
.review-card,
.score-card,
.certificate-card,
.curriculum-drawer {
  background: var(--surface);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.hero-copy,
.summary-card,
.module-panel,
.certificate-card {
  border-radius: var(--radius-lg);
  padding: 28px;
}

.hero-copy h2 {
  font-size: clamp(1.95rem, 3vw, 2.9rem);
  line-height: 1.08;
  max-width: 14ch;
  margin-bottom: 18px;
}

.hero-text,
.section-note,
.module-focus,
.module-meta,
.slide-objective,
.resource-body p,
.result-card p,
.review-card p {
  color: var(--ink-soft);
  line-height: 1.65;
}

.summary-card {
  display: grid;
  gap: 18px;
  align-content: start;
}

.summary-meter {
  width: 100%;
  height: 10px;
  border-radius: 999px;
  overflow: hidden;
  background: #e8efeb;
}

.summary-meter span {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--brand), var(--accent));
}

.summary-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.summary-grid span,
.score-card-meta span,
.resource-meta,
.compare-grid span {
  display: block;
  font-size: 0.82rem;
  color: var(--ink-soft);
}

.summary-grid strong,
.summary-stat strong,
.score-card-meta strong,
.certificate-grid strong {
  display: block;
  margin-top: 4px;
  font-size: 1.05rem;
}

.module-panel {
  padding: 28px;
}

.module-list,
.score-list,
.review-list {
  display: grid;
  gap: 18px;
}

.module-card,
.score-card,
.review-card {
  border-radius: var(--radius-md);
  padding: 22px;
}

.module-card h4,
.score-card h4,
.review-card h4 {
  margin: 6px 0 0;
  font-size: 1.1rem;
}

.module-highlights {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 18px 0;
}

.module-highlights span {
  padding: 9px 12px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 0.88rem;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  padding: 7px 12px;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: capitalize;
}

.status-passed {
  background: var(--accent-soft);
  color: var(--accent);
}

.status-ready,
.status-in-progress {
  background: rgba(15, 76, 92, 0.08);
  color: var(--brand);
}

.status-not-started {
  background: rgba(191, 107, 54, 0.12);
  color: var(--warning);
}

.lesson-header {
  position: sticky;
  top: 0;
  z-index: 10;
}

.lesson-frame {
  display: grid;
  grid-template-columns: 320px minmax(0, 1fr);
  gap: 28px;
  max-width: 1400px;
  margin: 0 auto;
  padding: 32px 40px 48px;
}

.curriculum-drawer {
  position: sticky;
  top: 108px;
  align-self: start;
  border-radius: var(--radius-lg);
  padding: 24px;
}

.drawer-header {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: start;
}

.drawer-header h2 {
  margin: 8px 0 0;
  font-size: 1.2rem;
  font-family: "Fraunces", serif;
}

.drawer-note {
  margin: 14px 0 18px;
  color: var(--ink-soft);
  line-height: 1.55;
}

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

.drawer-section {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 16px;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  background: var(--surface-muted);
}

.drawer-section.is-active {
  border-color: rgba(15, 76, 92, 0.18);
  background: rgba(15, 76, 92, 0.06);
}

.drawer-section strong {
  display: block;
  margin: 4px 0;
}

.drawer-section-meta {
  font-size: 0.84rem;
  color: var(--ink-soft);
}

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

.lesson-shell {
  border-radius: 32px;
  padding: 28px;
}

.lesson-progress-strip {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 18px;
  flex-wrap: wrap;
}

.lesson-progress-meta {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  min-width: 420px;
}

.lesson-progress-meta span {
  display: block;
  font-size: 0.78rem;
  color: var(--ink-soft);
}

.lesson-progress-meta strong {
  display: block;
  margin-top: 6px;
  font-size: 1rem;
}

.lesson-meter {
  margin-top: 16px;
  max-width: 360px;
}

.mode-toggles {
  display: flex;
  gap: 10px;
}

.clause-rail {
  display: flex;
  gap: 10px;
  overflow-x: auto;
  padding-bottom: 8px;
  margin-bottom: 18px;
}

.clause-chip {
  min-width: 220px;
  padding: 14px 16px;
  border-radius: 18px;
  border: 1px solid rgba(15, 76, 92, 0.12);
  background: var(--surface-muted);
  text-align: left;
  color: var(--ink);
}

.clause-chip span,
.listen-banner span {
  display: block;
  font-size: 0.76rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent);
}

.clause-chip strong {
  display: block;
  margin-top: 8px;
  line-height: 1.45;
  font-size: 0.92rem;
  font-weight: 600;
}

.clause-chip.is-active {
  border-color: rgba(15, 76, 92, 0.28);
  background: rgba(15, 76, 92, 0.08);
  box-shadow: inset 0 0 0 1px rgba(15, 76, 92, 0.04);
}

.slide-topline {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 14px;
  margin-bottom: 18px;
  border-bottom: 1px solid rgba(24, 56, 73, 0.08);
  color: var(--ink-soft);
  font-size: 0.88rem;
}

.lesson-card {
  border-radius: 26px;
  padding: 34px;
}

.lesson-card h3,
.assessment-card h3,
.result-card h3 {
  font-size: clamp(2rem, 3vw, 2.8rem);
  line-height: 1.04;
  margin: 12px 0 14px;
}

.listen-banner {
  display: flex;
  align-items: center;
  gap: 16px;
  justify-content: space-between;
  flex-wrap: wrap;
  margin-bottom: 24px;
  padding: 16px 18px;
  border-radius: 20px;
  background: linear-gradient(135deg, rgba(15, 76, 92, 0.05), rgba(31, 122, 111, 0.08));
  border: 1px solid rgba(15, 76, 92, 0.08);
}

.listen-banner strong {
  display: block;
  margin-top: 6px;
  font-size: 0.96rem;
}

.banner-audio-player {
  width: min(420px, 100%);
}

.listen-orb {
  display: flex;
  align-items: end;
  gap: 4px;
  min-width: 34px;
  height: 28px;
}

.listen-orb span {
  width: 6px;
  border-radius: 999px;
  background: var(--brand);
  animation: equalize 1.2s ease-in-out infinite;
}

.listen-orb span:nth-child(1) {
  height: 12px;
}

.listen-orb span:nth-child(2) {
  height: 22px;
  animation-delay: 0.15s;
}

.listen-orb span:nth-child(3) {
  height: 16px;
  animation-delay: 0.3s;
}

.listen-banner:not(.is-live) .listen-orb span {
  animation-play-state: paused;
  opacity: 0.45;
}

.teaching-points {
  display: grid;
  gap: 12px;
  padding-left: 22px;
  margin: 24px 0 0;
}

.teaching-points li,
.callout-card li {
  line-height: 1.7;
}

.callout-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin-top: 28px;
}

.callout-card {
  padding: 20px;
  border-radius: 22px;
  background: var(--surface-muted);
  border: 1px solid rgba(24, 56, 73, 0.08);
}

.callout-card span {
  display: block;
  margin-bottom: 10px;
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent);
}

.callout-card.emphasis {
  background: linear-gradient(180deg, rgba(31, 122, 111, 0.08), rgba(15, 76, 92, 0.02));
}

.resource-stack {
  margin-top: 18px;
}

.audio-player {
  width: 100%;
}

.resource-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.resource-tab {
  border: 1px solid rgba(15, 76, 92, 0.16);
  background: rgba(255, 255, 255, 0.76);
  padding: 10px 14px;
  color: var(--brand);
}

.resource-tab.is-active {
  background: var(--brand);
  color: #fff;
  border-color: transparent;
}

.resource-panel {
  margin-top: 12px;
  border-radius: 22px;
  padding: 22px;
}

.section-assessment-panel {
  margin-top: 18px;
  border-radius: 24px;
  padding: 24px;
  background: linear-gradient(180deg, rgba(173, 110, 30, 0.08), rgba(255, 255, 255, 0.98));
  border: 1px solid rgba(173, 110, 30, 0.18);
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(320px, 1fr);
  gap: 18px;
  align-items: start;
}

.section-assessment-panel.is-ready {
  background: linear-gradient(180deg, rgba(31, 122, 111, 0.12), rgba(255, 255, 255, 0.98));
  border-color: rgba(31, 122, 111, 0.24);
}

.assessment-panel-copy {
  max-width: 520px;
}

.section-assessment-panel h4 {
  margin: 8px 0 10px;
  font-family: "Fraunces", serif;
  font-size: 1.55rem;
  line-height: 1.1;
}

.assessment-panel-meta {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  align-self: stretch;
}

.assessment-panel-meta div {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 6px;
  min-height: 92px;
  padding: 14px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(24, 56, 73, 0.08);
}

.assessment-panel-meta span {
  display: block;
  font-size: 0.74rem;
  line-height: 1.2;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.assessment-panel-meta strong {
  display: block;
  font-size: 1.7rem;
  line-height: 1;
  color: var(--ink);
}

.assessment-panel-actions {
  display: flex;
  grid-column: 1 / -1;
  justify-content: flex-start;
  align-items: center;
  padding-top: 4px;
  border-top: 1px solid rgba(24, 56, 73, 0.08);
}

.assessment-lock-note {
  margin: 0;
  font-size: 0.96rem;
  font-weight: 600;
  color: var(--ink);
}

.resource-body {
  display: grid;
  gap: 12px;
}

.compare-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.resource-note {
  padding-top: 8px;
  border-top: 1px solid rgba(24, 56, 73, 0.08);
}

.lesson-footer {
  margin-top: 24px;
}

.assessment-shell {
  display: grid;
  grid-template-columns: 300px minmax(0, 1fr);
  gap: 18px;
}

.assessment-status,
.assessment-card {
  border-radius: 26px;
  padding: 26px;
}

.answer-list {
  display: grid;
  gap: 12px;
  margin-top: 24px;
}

.answer-option {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 14px;
  text-align: left;
  padding: 16px 18px;
  border: 1px solid rgba(15, 76, 92, 0.14);
  background: var(--surface-muted);
}

.answer-option span {
  width: 34px;
  height: 34px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(15, 76, 92, 0.08);
  font-weight: 700;
}

.answer-option.is-selected {
  background: rgba(15, 76, 92, 0.08);
  border-color: rgba(15, 76, 92, 0.28);
}

.result-card {
  border-radius: 26px;
  padding: 30px;
}

.result-card.is-pass {
  background: linear-gradient(180deg, rgba(31, 122, 111, 0.08), #fff);
}

.result-card.is-fail {
  background: linear-gradient(180deg, rgba(191, 107, 54, 0.08), #fff);
}

.result-score {
  margin: 10px 0;
  font-size: 3.2rem;
  font-weight: 700;
  color: var(--brand);
}

.record-summary-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
  margin-bottom: 24px;
}

.score-card {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
}

.score-card-meta {
  text-align: right;
}

.certificate-panel {
  margin-top: 24px;
}

.certificate-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
  margin-top: 24px;
}

.pending {
  background: linear-gradient(180deg, rgba(191, 107, 54, 0.07), #fff);
}

body.focus-mode .curriculum-drawer {
  display: none;
}

body.focus-mode .lesson-frame {
  grid-template-columns: minmax(0, 1fr);
  max-width: 1080px;
}

body.listen-mode .lesson-card,
body.listen-mode .resource-panel {
  background: linear-gradient(180deg, rgba(15, 76, 92, 0.04), #fff 38%);
}

@keyframes equalize {
  0%, 100% { transform: scaleY(0.6); opacity: 0.55; }
  50% { transform: scaleY(1); opacity: 1; }
}

.menu-button,
.close-drawer {
  display: none;
}

@media (max-width: 1080px) {
  .hero-panel,
  .record-summary-grid,
  .assessment-shell,
  .section-assessment-panel,
  .callout-grid,
  .compare-grid,
  .lesson-frame {
    grid-template-columns: 1fr;
  }

  .lesson-progress-meta,
  .certificate-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    min-width: 0;
  }

  .curriculum-drawer {
    display: none;
    position: fixed;
    inset: 92px 20px 20px;
    z-index: 20;
    overflow: auto;
  }

  .curriculum-drawer.is-open {
    display: block;
  }

  .menu-button,
  .close-drawer {
    display: inline-flex;
  }
}

@media (max-width: 720px) {
  .site-header,
  .lesson-header,
  .home-layout,
  .record-layout,
  .lesson-frame {
    padding: 20px;
  }

  .site-header,
  .lesson-header,
  .header-actions,
  .lesson-header-actions,
  .module-card-header,
  .module-card-footer,
  .summary-stat,
  .lesson-progress-strip,
  .lesson-footer,
  .score-card {
    flex-direction: column;
    align-items: stretch;
  }

  .summary-grid,
  .lesson-progress-meta,
  .assessment-panel-meta,
  .certificate-grid {
    grid-template-columns: 1fr;
  }

  .lesson-card,
  .assessment-card,
  .assessment-status,
  .result-card,
  .module-panel,
  .hero-copy,
  .summary-card,
  .certificate-card {
    padding: 22px;
  }
}

@media print {
  body {
    background: #fff;
  }

  .site-header,
  .module-panel,
  .record-summary-grid,
  #print-certificate {
    display: none;
  }

  .certificate-card {
    box-shadow: none;
    border-color: #d0d8d4;
  }
}