/* ============================================================
   CHILL & SHINE — Learn Thai through Dhamma
   Styles for /learn-thai/ section
   ============================================================ */

/* --- Hero with Thai accent --- */
.learn-thai-hero {
  padding: 60px 0 40px;
  text-align: center;
  background: linear-gradient(180deg, var(--cream) 0%, var(--cream-dark) 100%);
  position: relative;
}

.learn-thai-hero .thai-accent {
  font-size: 1.2rem;
  color: var(--gold);
  margin-bottom: 8px;
  font-weight: 300;
}

.learn-thai-hero h1 {
  font-size: 2.5rem;
  margin-bottom: 12px;
}

.learn-thai-hero p {
  color: var(--warm-gray);
  font-size: 1.1rem;
  max-width: 600px;
  margin: 0 auto;
  font-weight: 300;
}

/* --- Motivation Banner (pinned "Why Learn Thai" lesson) --- */
.motivation-banner {
  padding: 0 0 20px;
  background: linear-gradient(180deg, var(--cream-dark) 0%, var(--cream) 100%);
}

.motivation-card {
  display: flex;
  align-items: center;
  gap: 40px;
  background: linear-gradient(135deg, #2A2520 0%, #3D3530 100%);
  border-radius: var(--radius);
  padding: 40px 44px;
  text-decoration: none;
  color: var(--cream);
  transition: all var(--transition);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  position: relative;
}

.motivation-card::before {
  content: '';
  position: absolute;
  top: -60px;
  right: -60px;
  width: 200px;
  height: 200px;
  background: radial-gradient(circle, rgba(200,165,90,0.15) 0%, transparent 70%);
  border-radius: 50%;
}

.motivation-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(42, 37, 32, 0.25);
  color: var(--cream);
}

.motivation-content {
  flex: 1;
  position: relative;
  z-index: 1;
}

.motivation-label {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gold);
  background: rgba(200, 165, 90, 0.15);
  padding: 4px 14px;
  border-radius: 100px;
  margin-bottom: 16px;
}

.motivation-card h2 {
  font-size: 1.6rem;
  color: var(--cream);
  margin-bottom: 4px;
  line-height: 1.3;
}

.motivation-thai {
  font-size: 1.1rem;
  color: var(--gold);
  font-weight: 400;
  margin-bottom: 12px;
}

.motivation-card p {
  font-size: 0.95rem;
  color: rgba(255, 248, 240, 0.7);
  line-height: 1.7;
  margin-bottom: 20px;
  max-width: 480px;
}

.motivation-card .btn {
  pointer-events: none;
}

.motivation-thumbnail {
  position: relative;
  flex-shrink: 0;
  width: 280px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  z-index: 1;
}

.motivation-thumbnail img {
  width: 100%;
  display: block;
  border-radius: var(--radius-sm);
}

.motivation-thumbnail .play-icon {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 52px;
  height: 52px;
  background: rgba(200, 165, 90, 0.9);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0.85;
  transition: opacity var(--transition);
}

.motivation-card:hover .motivation-thumbnail .play-icon {
  opacity: 1;
}

.motivation-thumbnail .play-icon::after {
  content: '';
  display: block;
  width: 0;
  height: 0;
  border-left: 16px solid var(--white);
  border-top: 10px solid transparent;
  border-bottom: 10px solid transparent;
  margin-left: 4px;
}

@media (max-width: 768px) {
  .motivation-card {
    flex-direction: column-reverse;
    padding: 28px;
    gap: 24px;
  }
  .motivation-thumbnail {
    width: 100%;
  }
  .motivation-card h2 {
    font-size: 1.3rem;
  }
}

/* --- Level Sections --- */
.level-section {
  padding: 60px 0;
}

.level-section:first-of-type {
  padding-top: 40px;
}

.level-section + .level-section {
  border-top: 1px solid var(--cream-dark);
}

.level-header {
  margin-bottom: 36px;
}

.level-header .section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.level-header h2 {
  font-size: 1.8rem;
  margin-bottom: 8px;
}

.level-header p {
  color: var(--warm-gray);
  font-size: 1rem;
  max-width: 600px;
  font-weight: 300;
}

/* --- Foundations Grid (sequential cards) --- */
.foundations-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}

.foundation-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 28px;
  border: 1px solid transparent;
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: inherit;
}

.foundation-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--gold-light);
  color: inherit;
}

.foundation-card-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--gold), var(--gold-light));
  color: var(--white);
  font-weight: 700;
  font-size: 0.85rem;
  margin-bottom: 16px;
  flex-shrink: 0;
}

.foundation-card h3 {
  font-size: 1.1rem;
  margin-bottom: 4px;
  line-height: 1.35;
}

.foundation-card .thai-title {
  font-size: 0.95rem;
  color: var(--gold);
  margin-bottom: 8px;
  font-weight: 400;
}

.foundation-card p {
  font-size: 0.85rem;
  color: var(--warm-gray);
  line-height: 1.6;
  flex-grow: 1;
}

.foundation-card-meta {
  display: flex;
  gap: 12px;
  margin-top: 16px;
  font-size: 0.78rem;
  color: var(--warm-gray-light);
}

.foundation-card-meta .difficulty {
  padding: 2px 10px;
  border-radius: 100px;
  font-weight: 600;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.difficulty-beginner {
  background: rgba(90, 138, 94, 0.1);
  color: var(--soft-green);
}

.difficulty-intermediate {
  background: rgba(200, 165, 90, 0.12);
  color: var(--gold);
}

.difficulty-advanced {
  background: rgba(204, 68, 68, 0.08);
  color: #C44;
}

/* --- Level header Thai subtitle --- */
.level-header .level-header-thai {
  font-size: 1.05rem;
  color: var(--gold);
  font-weight: 400;
  margin-bottom: 4px;
}

/* --- View All link --- */
.view-all-wrap {
  text-align: center;
  margin-top: 32px;
}

.view-all-link {
  display: inline-block;
  padding: 12px 32px;
  border: 1.5px solid var(--gold);
  border-radius: 100px;
  color: var(--gold);
  font-weight: 600;
  font-size: 0.92rem;
  text-decoration: none;
  transition: all var(--transition);
}

.view-all-link:hover {
  background: var(--gold);
  color: var(--white);
}

/* --- Teacher name on lesson cards --- */
.lesson-card-teacher {
  font-size: 0.75rem;
  color: var(--warm-gray-light);
  font-weight: 500;
  margin-bottom: 8px;
}

/* --- Lessons Grid (video-based cards) --- */
.lessons-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.lesson-card {
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  transition: all var(--transition);
  border: 1px solid transparent;
  text-decoration: none;
  color: inherit;
  display: flex;
  flex-direction: column;
}

.lesson-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--gold-light);
  color: inherit;
}

.lesson-card-thumbnail {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--cream-dark);
}

.lesson-card-thumbnail img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.lesson-card-thumbnail .play-icon {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 48px;
  height: 48px;
  background: rgba(42, 37, 32, 0.7);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--transition);
}

.lesson-card:hover .play-icon {
  opacity: 1;
}

.play-icon::after {
  content: '';
  display: block;
  width: 0;
  height: 0;
  border-left: 14px solid var(--white);
  border-top: 8px solid transparent;
  border-bottom: 8px solid transparent;
  margin-left: 3px;
}

.lesson-card-body {
  padding: 20px;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.lesson-card-category {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--gold);
  background: rgba(200, 165, 90, 0.12);
  padding: 3px 10px;
  border-radius: 4px;
  margin-bottom: 10px;
  align-self: flex-start;
}

.lesson-card-body h3 {
  font-size: 1.05rem;
  line-height: 1.35;
  margin-bottom: 4px;
}

.lesson-card-body .thai-title {
  font-size: 0.9rem;
  color: var(--gold);
  margin-bottom: 8px;
}

.lesson-card-body p {
  font-size: 0.85rem;
  color: var(--warm-gray);
  line-height: 1.6;
  flex-grow: 1;
}

.lesson-card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 14px;
  font-size: 0.78rem;
  color: var(--warm-gray-light);
}

.lesson-card-footer .lesson-link {
  color: var(--gold);
  font-weight: 600;
}

/* --- Single Lesson Page --- */
.lesson-single {
  padding: 40px 0 80px;
}

.lesson-single .container {
  max-width: 860px;
}

.lesson-back {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.88rem;
  color: var(--warm-gray);
  margin-bottom: 24px;
}

.lesson-back:hover {
  color: var(--gold);
}

.lesson-titles {
  margin-bottom: 24px;
}

.lesson-titles h1 {
  font-size: 2rem;
  margin-bottom: 4px;
}

.lesson-titles .thai-title {
  font-size: 1.3rem;
  color: var(--gold);
  font-weight: 400;
}

.lesson-meta {
  display: flex;
  gap: 16px;
  font-size: 0.85rem;
  color: var(--warm-gray-light);
  margin-bottom: 32px;
  flex-wrap: wrap;
}

.lesson-meta span {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

/* --- Video Embed --- */
.lesson-video {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: 40px;
  box-shadow: var(--shadow-lg);
}

.lesson-video iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

/* --- Vocabulary Section --- */
.vocab-section {
  margin-bottom: 40px;
}

.vocab-section h2 {
  font-size: 1.4rem;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.vocab-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.vocab-table th {
  text-align: left;
  padding: 14px 20px;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--warm-gray-light);
  background: var(--cream);
  border-bottom: 2px solid var(--gold-light);
}

.vocab-table td {
  padding: 14px 20px;
  border-bottom: 1px solid var(--cream-dark);
  font-size: 0.92rem;
  vertical-align: middle;
}

.vocab-table tr:last-child td {
  border-bottom: none;
}

.vocab-table tr:hover td {
  background: var(--cream);
}

.vocab-thai {
  font-size: 1.2rem;
  font-weight: 500;
  color: var(--dark);
}

.vocab-romanized {
  font-size: 0.82rem;
  color: var(--warm-gray-light);
  font-style: italic;
}

/* --- Practice Section --- */
.practice-section {
  margin-bottom: 40px;
}

.practice-section h2 {
  font-size: 1.4rem;
  margin-bottom: 20px;
}

.practice-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 24px;
  margin-bottom: 16px;
  border-left: 4px solid var(--gold);
  box-shadow: var(--shadow-sm);
}

.practice-card .thai-phrase {
  font-size: 1.4rem;
  font-weight: 500;
  color: var(--dark);
  margin-bottom: 4px;
}

.practice-card .romanized {
  font-size: 0.88rem;
  color: var(--warm-gray-light);
  font-style: italic;
  margin-bottom: 8px;
}

.practice-card .english {
  font-size: 0.95rem;
  color: var(--warm-gray);
  margin-bottom: 4px;
}

.practice-card .context {
  font-size: 0.82rem;
  color: var(--warm-gray-light);
  font-style: italic;
}

/* --- Vocab Timestamp --- */
.vocab-timestamp {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 0.78rem;
  font-weight: 600;
  font-family: monospace;
  background: rgba(200, 165, 90, 0.1);
  color: var(--gold);
}

/* --- Lesson Body (main teaching content) --- */
.lesson-body {
  margin-bottom: 40px;
}

.lesson-body h2 { font-size: 1.4rem; margin: 36px 0 16px; }
.lesson-body h3 { font-size: 1.15rem; margin: 28px 0 12px; }
.lesson-body p { color: var(--warm-gray); margin-bottom: 16px; line-height: 1.85; }
.lesson-body ul, .lesson-body ol { margin: 0 0 16px 24px; color: var(--warm-gray); }
.lesson-body li { margin-bottom: 8px; line-height: 1.75; }
.lesson-body blockquote {
  border-left: 4px solid var(--gold);
  padding: 16px 24px;
  margin: 20px 0;
  background: rgba(200,165,90,0.05);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  color: var(--warm-gray);
  font-style: italic;
}

/* Thai text inline — larger for readability */
.lesson-body .thai {
  font-size: 1.15em;
  font-weight: 500;
  color: var(--dark);
}

/* Romanized pronunciation inline */
.lesson-body .rom {
  font-style: italic;
  color: var(--warm-gray-light);
  font-size: 0.92em;
}

/* Timestamp references in body text */
.lesson-body .ts {
  display: inline-block;
  padding: 1px 6px;
  border-radius: 4px;
  font-size: 0.78rem;
  font-weight: 600;
  font-family: monospace;
  background: rgba(200, 165, 90, 0.1);
  color: var(--gold);
  vertical-align: middle;
}

/* Grammar/Tip callout boxes */
.lesson-body .tip-box {
  background: var(--white);
  border-radius: var(--radius);
  padding: 20px 24px;
  margin: 20px 0;
  border-left: 4px solid var(--soft-green);
  box-shadow: var(--shadow-sm);
}

.lesson-body .tip-box .tip-label {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--soft-green);
  margin-bottom: 8px;
}

/* Cultural note callout */
.lesson-body .culture-box {
  background: var(--white);
  border-radius: var(--radius);
  padding: 20px 24px;
  margin: 20px 0;
  border-left: 4px solid var(--gold);
  box-shadow: var(--shadow-sm);
}

.lesson-body .culture-box .culture-label {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 8px;
}

/* Sentence breakdown cards */
.lesson-body .sentence-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 24px;
  margin: 20px 0;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--cream-dark);
}

.lesson-body .sentence-card .thai-line {
  font-size: 1.3rem;
  font-weight: 500;
  color: var(--dark);
  margin-bottom: 4px;
  line-height: 1.6;
}

.lesson-body .sentence-card .rom-line {
  font-size: 0.92rem;
  color: var(--warm-gray-light);
  font-style: italic;
  margin-bottom: 8px;
}

.lesson-body .sentence-card .eng-line {
  font-size: 0.95rem;
  color: var(--warm-gray);
}

/* Practice task highlight */
.lesson-body .practice-task {
  background: linear-gradient(135deg, rgba(200,165,90,0.08), rgba(200,165,90,0.03));
  border: 1.5px solid var(--gold-light);
  border-radius: var(--radius);
  padding: 24px;
  margin: 28px 0;
}

.lesson-body .practice-task .task-label {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 10px;
}

.lesson-body .practice-task .thai-line {
  font-size: 1.4rem;
  font-weight: 500;
  color: var(--dark);
  margin-bottom: 4px;
}

.lesson-body .practice-task .rom-line {
  font-size: 0.95rem;
  color: var(--warm-gray-light);
  font-style: italic;
  margin-bottom: 8px;
}

/* Intro paragraph — slightly larger for the teacher greeting */
.lesson-body > p:first-child {
  font-size: 1.05rem;
  color: var(--dark);
  line-height: 1.85;
}

/* --- Lesson Tags --- */
.lesson-tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 32px;
}

.lesson-tags .tag {
  padding: 4px 14px;
  border-radius: 100px;
  font-size: 0.78rem;
  font-weight: 500;
  background: var(--cream);
  color: var(--warm-gray);
  border: 1px solid var(--gold-light);
}

/* --- Lesson Nav --- */
.lesson-nav {
  padding-top: 32px;
  border-top: 1px solid var(--cream-dark);
}

/* --- External Resources Page --- */
.resources-page {
  max-width: 800px;
  padding-bottom: 60px;
}

.resource-group {
  margin-bottom: 48px;
}

.resource-group-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 24px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--gold-light);
}

.resource-group-header h2 {
  font-size: 1.5rem;
  margin: 0;
}

.resource-icon {
  font-size: 1.3rem;
  line-height: 1;
}

.resource-subheading {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--warm-gray-light);
  margin: 28px 0 12px;
}

.resource-card {
  display: flex;
  align-items: center;
  gap: 16px;
  background: var(--white);
  border-radius: var(--radius);
  padding: 20px 24px;
  margin-bottom: 12px;
  border: 1px solid transparent;
  text-decoration: none;
  color: inherit;
  transition: all var(--transition);
  box-shadow: var(--shadow-sm);
}

.resource-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: var(--gold-light);
  color: inherit;
}

.resource-card-body {
  flex: 1;
}

.resource-card-body h4 {
  font-size: 1.02rem;
  margin-bottom: 4px;
  line-height: 1.35;
}

.resource-card-body p {
  font-size: 0.88rem;
  color: var(--warm-gray);
  line-height: 1.6;
  margin-bottom: 6px;
}

.resource-link {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--gold);
}

.resource-lang-badge {
  flex-shrink: 0;
  padding: 4px 12px;
  border-radius: 100px;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.06em;
}

.badge-english {
  background: rgba(90, 138, 94, 0.1);
  color: var(--soft-green);
}

.badge-thai {
  background: rgba(200, 165, 90, 0.12);
  color: var(--gold);
}

.badge-bilingual {
  background: rgba(42, 37, 32, 0.08);
  color: var(--dark);
}

/* --- Resources link on Learn Thai page --- */
.resources-banner {
  text-align: center;
  padding: 40px 0 20px;
  border-top: 1px solid var(--cream-dark);
}

.resources-banner a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  background: var(--white);
  border: 1.5px solid var(--gold-light);
  border-radius: var(--radius);
  color: var(--dark);
  font-weight: 500;
  font-size: 0.95rem;
  text-decoration: none;
  transition: all var(--transition);
  box-shadow: var(--shadow-sm);
}

.resources-banner a:hover {
  border-color: var(--gold);
  box-shadow: var(--shadow-md);
  color: var(--gold);
}

/* --- Responsive --- */
@media (max-width: 1024px) {
  .lessons-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .learn-thai-hero h1 { font-size: 2rem; }
  .lessons-grid { grid-template-columns: 1fr; }
  .foundations-grid { grid-template-columns: 1fr; }
  .vocab-table th, .vocab-table td { padding: 10px 14px; }
  .lesson-titles h1 { font-size: 1.6rem; }
  .lesson-meta { gap: 10px; }
  .resource-card { flex-direction: column; align-items: flex-start; gap: 10px; }
  .resource-lang-badge { align-self: flex-start; }
}