/* Yoruba.ca learning surface */

.learn-page {
  --learn-ink: #333333;
  --learn-muted: #666666;
  --learn-paper: #fafafa;
  --learn-surface: #ffffff;
  --learn-wash: #f2f2f2;
  --learn-line: #d9d9d9;
  --learn-leaf: #ed1c24;
  --learn-gold: #ed1c24;
  --learn-alert: #8a1c22;
  --nav-accent: #ed1c24;
  --nav-accent-soft: rgba(237, 28, 36, 0.18);
  background: var(--learn-paper);
  color: var(--learn-ink);
}

.learn-page .site-header {
  background: var(--learn-paper);
}

.learn-page .nav-bar {
  background: var(--nav-surface);
}

.learn-page .nav-scroll a,
.learn-page .mobile-menu a {
  color: var(--nav-muted);
}

.learn-page .nav-scroll a:hover,
.learn-page .nav-scroll a.active,
.learn-page .mobile-menu a:hover,
.learn-page .mobile-menu a.active {
  color: var(--nav-text);
}

.learn-page .page-content {
  max-width: 1120px;
}

.learn-page h1,
.learn-page h2,
.learn-page h3,
.learn-page h4 {
  color: var(--learn-ink);
}

.learn-page h1,
.learn-page h2 {
  font-family: 'Lora', Georgia, serif;
}

.learn-page a {
  color: var(--learn-leaf);
}

.learn-page a:hover {
  color: var(--learn-ink);
}

.learn-shell {
  max-width: 1120px;
  margin: 0 auto;
}

.learn-eyebrow {
  color: var(--learn-gold);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 0.75rem;
}

.learn-hero {
  background: var(--nav-surface);
  border: 1px solid var(--nav-edge);
  padding: clamp(1.5rem, 4vw, 3.25rem);
  margin-bottom: var(--space-lg);
}

.learn-hero h1 {
  color: var(--nav-text);
  font-size: clamp(2rem, 4vw, 3.35rem);
  letter-spacing: 0;
  margin-bottom: 1rem;
  max-width: 15ch;
}

.learn-hero p {
  max-width: 62ch;
  font-size: 1.08rem;
  color: var(--nav-muted);
}

.learn-hero .learn-eyebrow {
  color: var(--nav-edge);
}

.learn-hero-actions,
.learn-action-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.25rem;
}

.learn-page .btn-learn-primary {
  background: var(--nav-edge);
  border-color: var(--nav-edge);
  color: var(--nav-text);
}

.learn-page .btn-learn-primary:hover {
  background: var(--nav-surface-deep);
  border-color: var(--nav-edge);
  color: var(--nav-text);
}

.learn-page .btn-learn-secondary {
  background: transparent;
  border-color: rgba(255, 255, 255, 0.72);
  color: var(--nav-text);
}

.learn-page .btn-learn-secondary:hover {
  background: var(--nav-accent-soft);
  border-color: var(--nav-edge);
  color: var(--nav-text);
}

.learn-section {
  margin-bottom: var(--space-xl);
}

.learn-section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 1rem;
  border-bottom: 1px solid var(--learn-line);
  padding-bottom: 0.75rem;
  margin-bottom: 1rem;
}

.learn-section-heading h2 {
  margin: 0;
  font-size: 1.55rem;
}

.learn-section-heading p {
  margin: 0;
  max-width: 42rem;
  font-size: 0.9rem;
}

.learn-stat-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.75rem;
  margin: 1.5rem 0 var(--space-lg);
}

.learn-stat {
  border-top: 3px solid var(--learn-gold);
  padding: 0.85rem 0 0;
}

.learn-stat strong {
  display: block;
  color: var(--learn-ink);
  font-family: 'Lora', Georgia, serif;
  font-size: 1.8rem;
  line-height: 1.1;
}

.learn-stat span {
  display: block;
  color: var(--learn-muted);
  font-size: 0.82rem;
  margin-top: 0.25rem;
}

.learn-progress {
  border: 1px solid var(--learn-line);
  background: var(--learn-surface);
  padding: 0.9rem 1rem;
  margin-bottom: var(--space-md);
}

.learn-progress-line {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  font-size: 0.85rem;
  color: var(--learn-muted);
}

.learn-progress-line strong {
  color: var(--learn-ink);
}

.learn-progress-track {
  height: 0.45rem;
  background: var(--learn-line);
  margin-top: 0.6rem;
  overflow: hidden;
}

.learn-progress-fill {
  display: block;
  width: 0;
  height: 100%;
  background: var(--learn-leaf);
  transition: width 180ms ease;
}

.learn-card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.learn-card {
  display: flex;
  flex-direction: column;
  min-height: 100%;
  background: var(--learn-surface);
  border: 1px solid var(--learn-line);
  padding: 1.25rem;
}

.learn-card:hover {
  border-color: var(--learn-leaf);
}

.learn-card h3 {
  margin: 0.8rem 0 0.5rem;
  font-size: 1.08rem;
}

.learn-card p {
  font-size: 0.9rem;
  margin-bottom: 0.75rem;
}

.learn-card .learn-card-link {
  margin-top: auto;
  padding-top: 0.85rem;
  font-weight: 700;
  font-size: 0.88rem;
}

.learn-card-meta,
.learn-meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem 0.75rem;
  color: var(--learn-muted);
  font-size: 0.78rem;
}

.learn-order {
  color: var(--learn-gold);
  font-weight: 700;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.learn-status {
  display: inline-flex;
  align-items: center;
  border: 1px solid #e6b2b5;
  color: var(--learn-alert);
  background: #fff5f5;
  padding: 0.22rem 0.45rem;
  font-size: 0.72rem;
  font-weight: 700;
  line-height: 1.2;
}

.learn-status.verified {
  color: var(--learn-ink);
  border-color: #bdbdbd;
  background: #f5f5f5;
}

.learn-complete-marker {
  color: var(--learn-leaf);
  font-size: 0.8rem;
  font-weight: 700;
}

.learn-filter-bar {
  display: grid;
  grid-template-columns: minmax(0, 2fr) repeat(2, minmax(140px, 1fr));
  gap: 0.75rem;
  border: 1px solid var(--learn-line);
  background: var(--learn-surface);
  padding: 1rem;
  margin-bottom: 1rem;
}

.learn-field {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.learn-field label {
  color: var(--learn-muted);
  font-size: 0.75rem;
  font-weight: 700;
}

.learn-field input,
.learn-field select {
  width: 100%;
  min-height: 42px;
  border: 1px solid var(--learn-line);
  border-radius: 0;
  background: var(--learn-paper);
  color: var(--learn-ink);
  font: inherit;
  padding: 0.55rem 0.7rem;
}

.learn-field input:focus,
.learn-field select:focus {
  border-color: var(--learn-leaf);
  outline: 2px solid rgba(237, 28, 36, 0.18);
  outline-offset: 1px;
}

.learn-results-line {
  color: var(--learn-muted);
  font-size: 0.86rem;
  margin: 0 0 0.85rem;
}

.learn-vocab-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.75rem;
}

.learn-vocab-card {
  background: var(--learn-surface);
  border: 1px solid var(--learn-line);
  padding: 1rem;
}

.learn-vocab-card h3 {
  font-family: 'Lora', Georgia, serif;
  font-size: 1.35rem;
  margin: 0 0 0.3rem;
}

.learn-vocab-card .learn-vocab-english {
  color: var(--learn-ink);
  font-weight: 700;
  font-size: 0.9rem;
  margin-bottom: 0.55rem;
}

.learn-vocab-card p {
  font-size: 0.82rem;
  margin-bottom: 0.45rem;
}

.learn-vocab-card .learn-status {
  margin-top: 0.5rem;
}

.learn-empty {
  border: 1px dashed var(--learn-line);
  padding: 1.25rem;
  color: var(--learn-muted);
  background: var(--learn-surface);
}

.learn-loading {
  color: var(--learn-muted);
  padding: 1rem 0;
}

.learn-lesson-header {
  border-bottom: 1px solid var(--learn-line);
  padding-bottom: 1.5rem;
  margin-bottom: 1.5rem;
}

.learn-lesson-header h1 {
  font-size: clamp(2rem, 4vw, 3.1rem);
  max-width: 18ch;
  margin: 0.6rem 0 0.9rem;
}

.learn-lesson-objective {
  max-width: 65ch;
  font-size: 1.08rem;
  color: var(--learn-muted);
  margin-bottom: 0;
}

.learn-lesson-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 260px;
  gap: 2rem;
  align-items: start;
}

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

.learn-lesson-aside {
  position: sticky;
  top: 4rem;
}

.learn-lesson-aside > * + * {
  margin-top: 1rem;
}

.learn-aside-block {
  border-top: 2px solid var(--learn-gold);
  padding-top: 0.7rem;
}

.learn-aside-block h2 {
  font-family: 'Nunito', sans-serif;
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin: 0 0 0.6rem;
}

.learn-aside-block p,
.learn-aside-block li {
  font-size: 0.82rem;
}

.learn-lesson-section {
  margin-bottom: 2.25rem;
}

.learn-lesson-section h2 {
  font-size: 1.55rem;
  margin-bottom: 0.8rem;
}

.learn-lesson-section p {
  max-width: 70ch;
}

.learn-example-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
  margin: 1rem 0;
}

.learn-example {
  background: var(--learn-wash);
  border-left: 3px solid var(--learn-leaf);
  padding: 0.9rem 1rem;
}

.learn-example .learn-yoruba {
  color: var(--learn-ink);
  font-family: 'Lora', Georgia, serif;
  font-size: 1.25rem;
  margin-bottom: 0.2rem;
}

.learn-example .learn-translation {
  color: var(--learn-ink);
  font-weight: 700;
  font-size: 0.88rem;
  margin-bottom: 0.25rem;
}

.learn-example .learn-note {
  color: var(--learn-muted);
  font-size: 0.8rem;
}

.learn-letter-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin: 1rem 0;
}

.learn-letter {
  min-width: 2.5rem;
  padding: 0.55rem 0.7rem;
  border: 1px solid var(--learn-line);
  background: var(--learn-surface);
  color: var(--learn-ink);
  font-family: 'Lora', Georgia, serif;
  font-size: 1.15rem;
  text-align: center;
}

.learn-dialogue {
  border: 1px solid var(--learn-line);
  background: var(--learn-surface);
  margin: 1rem 0;
}

.learn-dialogue-line {
  display: grid;
  grid-template-columns: 5rem minmax(0, 1fr);
  gap: 0.75rem;
  padding: 0.8rem 1rem;
  border-bottom: 1px solid var(--learn-line);
}

.learn-dialogue-line:last-child {
  border-bottom: 0;
}

.learn-dialogue-speaker {
  color: var(--learn-gold);
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
}

.learn-dialogue-line .learn-yoruba {
  color: var(--learn-ink);
  font-family: 'Lora', Georgia, serif;
  font-size: 1.05rem;
  margin-bottom: 0.2rem;
}

.learn-dialogue-line .learn-translation,
.learn-dialogue-line .learn-note {
  color: var(--learn-muted);
  font-size: 0.82rem;
}

.learn-vocab-section {
  border-top: 1px solid var(--learn-line);
  padding-top: 1.5rem;
}

.learn-lesson-vocab-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
}

.learn-practice-list {
  display: grid;
  gap: 0.6rem;
}

.learn-practice-list details {
  border: 1px solid var(--learn-line);
  background: var(--learn-surface);
  padding: 0.8rem 1rem;
}

.learn-practice-list summary {
  color: var(--learn-ink);
  cursor: pointer;
  font-weight: 700;
}

.learn-practice-answer {
  border-top: 1px solid var(--learn-line);
  margin-top: 0.7rem;
  padding-top: 0.7rem;
  color: var(--learn-muted);
  font-size: 0.88rem;
}

.learn-quiz {
  border: 1px solid var(--learn-line);
  background: var(--learn-wash);
  padding: 1.25rem;
}

.learn-quiz-question {
  border: 0;
  border-bottom: 1px solid var(--learn-line);
  margin: 0 0 1rem;
  padding: 0 0 1rem;
}

.learn-quiz-question:last-of-type {
  border-bottom: 0;
  margin-bottom: 0.75rem;
}

.learn-quiz-question legend {
  color: var(--learn-ink);
  font-weight: 700;
  padding: 0;
  margin-bottom: 0.65rem;
}

.learn-quiz-option {
  display: flex;
  align-items: flex-start;
  gap: 0.55rem;
  color: var(--learn-muted);
  font-size: 0.9rem;
  padding: 0.25rem 0;
}

.learn-quiz-option input {
  margin-top: 0.25rem;
  accent-color: var(--learn-leaf);
}

.learn-quiz-result {
  color: var(--learn-ink);
  font-weight: 700;
  margin: 0.9rem 0 0;
}

.learn-quiz-explanations {
  color: var(--learn-muted);
  font-size: 0.84rem;
  margin-top: 0.7rem;
}

.learn-completion-box {
  border: 1px solid var(--learn-line);
  background: var(--learn-surface);
  padding: 1.25rem;
  margin-top: 2rem;
}

.learn-completion-box h2 {
  font-size: 1.35rem;
  margin-bottom: 0.5rem;
}

.learn-source-note {
  border-left: 3px solid var(--learn-gold);
  background: #fff5f5;
  padding: 0.85rem 1rem;
  color: var(--learn-muted);
  font-size: 0.82rem;
}

.learn-source-note strong {
  color: var(--learn-ink);
}

.learn-lesson-nav {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
  border-top: 1px solid var(--learn-line);
  margin-top: 2rem;
  padding-top: 1rem;
}

.learn-lesson-nav a {
  border: 1px solid var(--learn-line);
  background: var(--learn-surface);
  padding: 0.9rem 1rem;
}

.learn-lesson-nav a:last-child {
  text-align: right;
}

.learn-lesson-nav span {
  display: block;
  color: var(--learn-muted);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 0.3rem;
}

@media (max-width: 900px) {
  .learn-vocab-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .learn-lesson-layout {
    grid-template-columns: 1fr;
  }

  .learn-lesson-aside {
    position: static;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem;
  }

  .learn-lesson-aside > * + * {
    margin-top: 0;
  }
}

@media (max-width: 680px) {
  .learn-stat-grid,
  .learn-card-grid,
  .learn-vocab-grid,
  .learn-lesson-vocab-grid,
  .learn-example-grid,
  .learn-lesson-aside {
    grid-template-columns: 1fr;
  }

  .learn-filter-bar {
    grid-template-columns: 1fr;
  }

  .learn-section-heading {
    align-items: start;
    flex-direction: column;
  }

  .learn-dialogue-line {
    grid-template-columns: 1fr;
    gap: 0.2rem;
  }

  .learn-lesson-nav {
    grid-template-columns: 1fr;
  }

  .learn-lesson-nav a:last-child {
    text-align: left;
  }
}