/* ============================================
   CLAUDE TRAINING WORKSHOP - STYLES
   Claude brand colors: terracotta, cream, warm
   ============================================ */

/* === RESET & BASE === */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #FAF6F1;
  --bg-card: #FFFFFF;
  --bg-card-hover: #F5F0EA;
  --bg-elevated: #F0EBE4;
  --bg-input: #FFFFFF;
  --border: #E5DED5;
  --border-light: #D4CCC2;
  --text: #1A1613;
  --text-muted: #6B5E54;
  --text-dim: #9B8E82;
  --primary: #DA7756;
  --primary-hover: #C4633F;
  --primary-glow: rgba(218, 119, 86, 0.15);
  --primary-dim: rgba(218, 119, 86, 0.08);
  --success: #3D8B6E;
  --danger: #C44B3F;
  --warning: #D4943A;
  --info: #5B7BB4;
  --gradient: linear-gradient(135deg, #DA7756, #C4633F);
  --accent-cream: #FDF8F3;
  --accent-brown: #3D2E24;
  --hero-bg: #1A1613;
  --font: 'Inter', -apple-system, system-ui, sans-serif;
  --mono: 'JetBrains Mono', 'Fira Code', monospace;
  --radius: 12px;
  --radius-sm: 8px;
  --radius-lg: 16px;
  --shadow: 0 4px 24px rgba(26, 22, 19, 0.08);
  --shadow-lg: 0 8px 48px rgba(26, 22, 19, 0.12);
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--primary); text-decoration: none; }
a:hover { color: var(--primary-hover); }

img { max-width: 100%; height: auto; }

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* === BUTTONS === */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: var(--radius-sm);
  font-family: var(--font);
  font-weight: 600;
  font-size: 15px;
  cursor: pointer;
  transition: all 0.2s;
  border: none;
  text-decoration: none;
  white-space: nowrap;
}

.btn-primary {
  background: var(--gradient);
  color: #fff;
}
.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 20px rgba(218, 119, 86, 0.35);
  color: #fff;
}

.btn-outline {
  background: transparent;
  border: 1.5px solid var(--border-light);
  color: var(--text);
}
.btn-outline:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.btn-ghost {
  background: transparent;
  color: var(--text-muted);
}
.btn-ghost:hover { color: var(--text); }

.btn-sm { padding: 8px 16px; font-size: 13px; }
.btn-lg { padding: 16px 32px; font-size: 17px; }
.btn-full { width: 100%; justify-content: center; }

/* === NAVIGATION === */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(250, 246, 241, 0.9);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}
.nav-dark {
  background: rgba(26, 22, 19, 0.95);
}
.nav-dark .nav-logo,
.nav-dark .nav-links a:not(.btn),
.nav-dark .nav-user { color: #FAF6F1; }
.nav-dark .nav-links a:not(.btn):hover { color: var(--primary); }
.nav-dark .nav-links .btn-outline {
  color: #FAF6F1;
  border-color: rgba(250,246,241,0.3);
}
.nav-dark .nav-links .btn-outline:hover {
  border-color: #FAF6F1;
  color: #FAF6F1;
  background: rgba(250,246,241,0.1);
}
.nav-dark .nav-mobile-toggle span { background: #FAF6F1; }
.nav-dark { border-bottom-color: rgba(255,255,255,0.1); }

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 18px;
  color: var(--accent-brown);
}
.nav-logo:hover { color: var(--accent-brown); }
.nav-logo strong { color: var(--primary); }

.logo-icon {
  font-size: 24px;
  color: var(--primary);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
}
.nav-links a:not(.btn) {
  color: var(--text-muted);
  font-size: 14px;
  font-weight: 500;
}
.nav-links a:not(.btn):hover { color: var(--text); }

.nav-user {
  color: var(--text-muted);
  font-size: 14px;
}

.days-badge {
  background: var(--primary-dim);
  color: var(--primary);
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
}

.nav-mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.nav-mobile-toggle span {
  width: 24px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
}

/* === HERO === */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding-top: 64px;
  background: var(--hero-bg);
  color: #FAF6F1;
}
.hero .nav { background: rgba(26, 22, 19, 0.9); border-bottom-color: rgba(255,255,255,0.08); }
.hero .nav-logo { color: #FAF6F1; }

.hero-bg {
  position: absolute;
  inset: 0;
}

.hero-gradient {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 50% 20%, rgba(218, 119, 86, 0.12) 0%, transparent 60%),
    radial-gradient(ellipse 60% 50% at 80% 50%, rgba(218, 119, 86, 0.06) 0%, transparent 50%);
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
}

.hero-content {
  position: relative;
  text-align: center;
  padding: 80px 0;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(218, 119, 86, 0.12);
  color: #DA7756;
  padding: 8px 20px;
  border-radius: 100px;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 32px;
  border: 1px solid rgba(218, 119, 86, 0.25);
}

.pulse-dot {
  width: 8px;
  height: 8px;
  background: var(--primary);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.5); }
}

.hero-title {
  font-size: clamp(40px, 7vw, 72px);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -2px;
  margin-bottom: 24px;
}

.gradient-text {
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 18px;
  color: #B8AFA6;
  max-width: 640px;
  margin: 0 auto 40px;
  line-height: 1.7;
}

.hero-cta {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 60px;
}

.hero-stats {
  display: flex;
  justify-content: center;
  gap: 48px;
  flex-wrap: wrap;
}

.stat { text-align: center; }
.stat-number {
  font-size: 32px;
  font-weight: 800;
  color: var(--primary);
}
.stat-label {
  font-size: 13px;
  color: #9B8E82;
  margin-top: 4px;
}
.hero .stat-label { color: #8A8078; }

/* === TRUST BAR === */
.trust-bar {
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 32px 0;
  text-align: center;
}

.trust-label {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--text-dim);
  margin-bottom: 16px;
}

.trust-logos {
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}

.tech-badge {
  background: var(--bg-card);
  border: 1px solid var(--border);
  padding: 6px 16px;
  border-radius: 100px;
  font-size: 13px;
  color: var(--text-muted);
  font-weight: 500;
}

/* === FEATURES === */
.features { padding: 100px 0; }

.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-title {
  font-size: 36px;
  font-weight: 800;
  margin-bottom: 16px;
}

.section-subtitle {
  font-size: 17px;
  color: var(--text-muted);
  max-width: 560px;
  margin: 0 auto;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 24px;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  transition: all 0.3s;
}
.feature-card:hover {
  border-color: var(--primary);
  transform: translateY(-4px);
  box-shadow: 0 8px 32px rgba(217, 119, 6, 0.1);
}

.feature-icon {
  font-size: 36px;
  margin-bottom: 16px;
}

.feature-card h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 8px;
}

.feature-card p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.6;
}

/* === CURRICULUM === */
.curriculum {
  padding: 100px 0;
  background: #F0EBE4;
}

.curriculum-grid {
  display: grid;
  gap: 16px;
  max-width: 800px;
  margin: 0 auto;
}

.curriculum-card {
  display: flex;
  gap: 24px;
  padding: 24px;
  background: #FFFFFF;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: all 0.2s;
  position: relative;
}
.curriculum-card:hover {
  border-color: var(--border-light);
  transform: translateX(4px);
}
.curriculum-card.featured {
  border-color: var(--primary);
  background: rgba(217, 119, 6, 0.03);
}

.curriculum-badge {
  position: absolute;
  top: -8px;
  right: 16px;
  background: var(--gradient);
  color: #fff;
  padding: 2px 12px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 800;
}

.curriculum-number {
  font-size: 32px;
  font-weight: 900;
  color: var(--text-dim);
  min-width: 48px;
}

.curriculum-content h3 {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 6px;
}

.curriculum-content p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.5;
}

.curriculum-meta {
  display: flex;
  gap: 16px;
  margin-top: 10px;
}

.curriculum-meta span {
  font-size: 12px;
  color: var(--text-dim);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* === PREVIEW SECTION === */
.preview-section {
  padding: 100px 0;
}

.preview-window {
  max-width: 800px;
  margin: 0 auto;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-lg);
}

.preview-header {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 12px 20px;
  background: #2D2520;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.preview-dots {
  display: flex;
  gap: 6px;
}

.dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}
.dot.red { background: #ff5f57; }
.dot.yellow { background: #ffbd2e; }
.dot.green { background: #28c840; }

.preview-title {
  font-size: 13px;
  color: #B8AFA6;
}

.preview-body {
  padding: 24px;
  background: #1A1613;
  color: #E8E2DC;
}

.preview-prompt,
.preview-response {
  margin-bottom: 16px;
}

.preview-label {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--primary);
  margin-bottom: 8px;
}

.preview-body pre {
  font-family: var(--mono);
  font-size: 13px;
  line-height: 1.6;
  color: #E8E2DC;
  white-space: pre-wrap;
  background: #231E1A;
  padding: 16px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255,255,255,0.08);
}

/* === PRICING === */
.pricing {
  padding: 100px 0;
  text-align: center;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
  max-width: 1000px;
  margin: 0 auto;
}

.pricing-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  position: relative;
  transition: all 0.2s;
}
.pricing-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}
.pricing-card.featured {
  border: 2px solid var(--primary);
  box-shadow: 0 0 60px rgba(218, 119, 86, 0.1);
}

.pricing-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--gradient);
  color: #fff;
  padding: 4px 20px;
  border-radius: 100px;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 1px;
}

.pricing-header h3 {
  font-size: 22px;
  margin-bottom: 16px;
}

.pricing-amount {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 4px;
  margin-bottom: 32px;
}

.price-currency {
  font-size: 24px;
  font-weight: 700;
  color: var(--text-muted);
}
.price-number {
  font-size: 64px;
  font-weight: 900;
  line-height: 1;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.price-period {
  font-size: 16px;
  color: var(--text-muted);
}

.pricing-features {
  list-style: none;
  text-align: left;
  margin-bottom: 32px;
}
.pricing-features li {
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
  font-size: 15px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.pricing-features .check {
  color: var(--success);
  font-weight: 700;
  font-size: 16px;
}

.pricing-guarantee {
  font-size: 13px;
  color: var(--text-dim);
  margin-top: 16px;
}

/* === FAQ === */
.faq {
  padding: 100px 0;
  background: #F0EBE4;
}

.faq-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 24px;
  max-width: 900px;
  margin: 0 auto;
}

.faq-item {
  padding: 24px;
  background: #FFFFFF;
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.faq-item h4 {
  font-size: 16px;
  margin-bottom: 8px;
}

.faq-item p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.6;
}

/* === FINAL CTA === */
.final-cta {
  padding: 100px 0;
  text-align: center;
}

.final-cta h2 {
  font-size: 36px;
  font-weight: 800;
  margin-bottom: 16px;
}

.final-cta p {
  font-size: 17px;
  color: var(--text-muted);
  margin-bottom: 32px;
}

/* === FOOTER === */
.footer {
  border-top: 1px solid var(--border);
  padding: 48px 0 24px;
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: start;
  margin-bottom: 32px;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-brand p {
  font-size: 13px;
  color: var(--text-dim);
}

.footer-links {
  display: flex;
  gap: 24px;
}
.footer-links a {
  font-size: 14px;
  color: var(--text-muted);
}

.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 24px;
}
.footer-bottom p {
  font-size: 13px;
  color: var(--text-dim);
  text-align: center;
}

/* === AUTH PAGES === */
.auth-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 80px 24px 40px;
}

.auth-card {
  width: 100%;
  max-width: 440px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px;
  text-align: center;
}

.auth-card h1 {
  font-size: 28px;
  font-weight: 800;
  margin-bottom: 8px;
}

.auth-subtitle {
  color: var(--text-muted);
  font-size: 15px;
  margin-bottom: 24px;
}

.auth-form {
  text-align: left;
}

.form-group {
  margin-bottom: 16px;
}

.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.form-group input {
  width: 100%;
  padding: 12px 16px;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-size: 15px;
  font-family: var(--font);
  transition: border-color 0.2s;
}
.form-group input:focus {
  outline: none;
  border-color: var(--primary);
}

.auth-form .btn {
  margin-top: 8px;
}

.auth-switch {
  margin-top: 20px;
  font-size: 14px;
  color: var(--text-muted);
}

.alert {
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  margin-bottom: 20px;
}

.alert-error {
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: #f87171;
}

.lock-icon-large {
  font-size: 48px;
  margin-bottom: 16px;
}

/* === ONBOARDING === */
.onboarding-card { max-width: 560px; }

.onboarding-step { display: none; }
.onboarding-step.active { display: block; }

.step-indicator {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  margin-bottom: 24px;
}
.step-dot {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 2px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 700;
  color: var(--text-dim);
  background: var(--bg-card);
  flex-shrink: 0;
}
.step-dot.active {
  border-color: var(--primary);
  background: var(--primary);
  color: #fff;
}
.step-dot.completed {
  border-color: var(--success);
  background: var(--success);
  color: #fff;
}
.step-line {
  width: 48px;
  height: 2px;
  background: var(--border);
}
.step-line.active { background: var(--primary); }
.step-line.completed { background: var(--success); }

.step-title {
  font-size: 22px;
  font-weight: 800;
  margin-bottom: 4px;
}
.step-subtitle {
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 24px;
}

/* Level Cards */
.level-cards {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 8px;
}
.level-card {
  cursor: pointer;
}
.level-card input { display: none; }
.level-card-inner {
  padding: 16px 20px;
  border: 2px solid var(--border);
  border-radius: var(--radius);
  transition: all 0.15s;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}
.level-card-inner strong { font-size: 16px; }
.level-card-inner p {
  width: 100%;
  font-size: 13px;
  color: var(--text-muted);
  margin: 4px 0 0 0;
  line-height: 1.4;
}
.level-emoji { font-size: 24px; }

.level-card input:checked + .level-card-inner {
  border-color: var(--primary);
  background: rgba(218, 119, 86, 0.05);
  box-shadow: 0 0 0 1px var(--primary);
}

.level-card:hover .level-card-inner {
  border-color: var(--border-light);
}

/* Goal Tags */
.goal-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 8px;
}
.goal-tag {
  cursor: pointer;
}
.goal-tag input { display: none; }
.goal-tag span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border: 1.5px solid var(--border);
  border-radius: 100px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-muted);
  transition: all 0.15s;
}
.goal-tag:hover span {
  border-color: var(--border-light);
}
.goal-tag input:checked + span {
  border-color: var(--primary);
  background: rgba(218, 119, 86, 0.08);
  color: var(--primary);
  font-weight: 600;
}

.step-nav {
  display: flex;
  justify-content: space-between;
  margin-top: 16px;
}

/* === SUBSCRIBE === */
.subscribe-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 80px 24px 40px;
}

.subscribe-card {
  width: 100%;
  max-width: 480px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px;
  text-align: center;
}

.subscribe-icon {
  font-size: 48px;
  color: var(--primary);
  margin-bottom: 16px;
}

.subscribe-card h1 {
  font-size: 24px;
  margin-bottom: 8px;
}

.subscribe-card > p {
  color: var(--text-muted);
  margin-bottom: 24px;
}

.subscribe-summary {
  text-align: left;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 20px;
  margin-bottom: 24px;
}

.summary-row {
  display: flex;
  justify-content: space-between;
  padding: 8px 0;
  font-size: 14px;
  color: var(--text-muted);
}

.summary-row.total {
  font-weight: 700;
  color: var(--text);
  font-size: 16px;
}

.summary-price { font-weight: 700; color: var(--text); }

.subscribe-note {
  font-size: 13px;
  color: var(--text-dim);
  margin-top: 12px;
}

/* === DASHBOARD === */
.dashboard {
  padding: 100px 0 60px;
}

.dashboard-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 32px;
}

.dashboard-header h1 {
  font-size: 28px;
  font-weight: 800;
}

.dashboard-subtitle {
  color: var(--text-muted);
  font-size: 15px;
  margin-top: 4px;
}

.progress-ring {
  position: relative;
  width: 100px;
  height: 100px;
}

.progress-ring svg {
  width: 100%;
  height: 100%;
}

.progress-ring-text {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  font-weight: 800;
  color: var(--primary);
}

.stats-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 16px;
  margin-bottom: 40px;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  text-align: center;
}

.stat-card-icon { font-size: 28px; margin-bottom: 8px; }
.stat-card-number { font-size: 28px; font-weight: 800; color: var(--primary); }
.stat-card-label { font-size: 13px; color: var(--text-muted); margin-top: 4px; }

.dashboard-section-title {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 20px;
}

.section-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 20px;
}

.section-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  position: relative;
  overflow: hidden;
  transition: all 0.2s;
}
.section-card:hover:not(.locked) {
  border-color: var(--border-light);
  transform: translateY(-2px);
}

.section-card.completed {
  border-color: rgba(16, 185, 129, 0.3);
}

.section-card.locked {
  opacity: 0.6;
}

.lock-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: rgba(10, 10, 15, 0.8);
  z-index: 2;
  border-radius: var(--radius);
}
.lock-overlay .lock-icon { font-size: 32px; margin-bottom: 8px; }
.lock-overlay p { font-size: 13px; color: var(--text-muted); }

.section-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}

.section-number {
  font-size: 28px;
  font-weight: 900;
  color: var(--text-dim);
}

.section-badge {
  font-size: 12px;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 100px;
}
.section-badge.passed {
  background: rgba(16, 185, 129, 0.1);
  color: var(--success);
}
.section-badge.attempted {
  background: rgba(245, 158, 11, 0.1);
  color: var(--warning);
}

.section-card-title {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 6px;
}

.section-card-subtitle {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 16px;
  line-height: 1.5;
}

.section-progress {
  margin-bottom: 16px;
}

.progress-bar {
  width: 100%;
  height: 6px;
  background: var(--bg-elevated);
  border-radius: 100px;
  overflow: hidden;
  margin-bottom: 6px;
}

.progress-bar.large { height: 8px; }

.progress-fill {
  height: 100%;
  background: var(--gradient);
  border-radius: 100px;
  transition: width 0.5s ease;
}

.progress-text {
  font-size: 12px;
  color: var(--text-dim);
}

/* === SECTION OVERVIEW === */
.section-overview {
  padding: 100px 0 60px;
}

.section-hero {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 40px;
  padding: 40px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}

.section-label {
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--primary);
  display: block;
  margin-bottom: 8px;
}

.section-hero h1 {
  font-size: 32px;
  font-weight: 800;
  margin-bottom: 8px;
}

.section-hero p {
  color: var(--text-muted);
  font-size: 15px;
  margin-bottom: 16px;
}

.section-progress-bar {
  display: flex;
  align-items: center;
  gap: 12px;
}

.section-progress-bar .progress-bar { flex: 1; }

.section-progress-bar span {
  font-size: 13px;
  color: var(--text-muted);
  white-space: nowrap;
}

.section-hero-icon {
  font-size: 72px;
  opacity: 0.6;
}

/* Lessons List */
.lessons-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 32px;
}

.lesson-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 20px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  transition: all 0.15s;
}
.lesson-item:hover {
  border-color: var(--border-light);
  background: var(--bg-card-hover);
  color: var(--text);
}
.lesson-item.completed {
  border-left: 3px solid var(--success);
}

.lesson-number {
  font-size: 14px;
  font-weight: 700;
  color: var(--text-dim);
  min-width: 32px;
  text-align: center;
}

.lesson-info { flex: 1; }
.lesson-info h4 { font-size: 15px; font-weight: 600; }

.status-badge {
  font-size: 12px;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 100px;
}
.status-badge.done {
  background: rgba(16, 185, 129, 0.1);
  color: var(--success);
}
.status-badge.pending {
  background: var(--bg-elevated);
  color: var(--text-dim);
}

/* Quiz CTA */
.quiz-cta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px 32px;
  background: var(--bg-card);
  border: 2px solid var(--primary);
  border-radius: var(--radius);
}

.quiz-cta h3 { font-size: 18px; margin-bottom: 6px; }
.quiz-cta p { font-size: 14px; color: var(--text-muted); }

.quiz-passed-badge {
  color: var(--success);
  font-weight: 700;
  font-size: 14px;
}

/* === LESSON PAGE === */
.lesson-page {
  padding-top: 64px;
  min-height: 100vh;
}

.lesson-container {
  display: flex;
  max-width: 1000px;
  margin: 0 auto;
}

.lesson-sidebar {
  width: 200px;
  min-width: 200px;
  padding: 24px 16px;
  border-right: 1px solid var(--border);
  position: sticky;
  top: 64px;
  height: calc(100vh - 64px);
}

.sidebar-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}

.sidebar-header h4 { font-size: 14px; color: var(--text-muted); }
.sidebar-progress { font-size: 13px; color: var(--primary); font-weight: 600; }

.lesson-main {
  flex: 1;
  padding: 32px 40px;
  max-width: 100%;
  overflow-x: hidden;
}

.lesson-breadcrumb {
  font-size: 13px;
  color: var(--text-dim);
  display: block;
  margin-bottom: 8px;
}

.lesson-header h1 {
  font-size: 28px;
  font-weight: 800;
  margin-bottom: 32px;
}

/* Lesson Content Styles */
.lesson-body {
  font-size: 15px;
  line-height: 1.8;
  color: var(--text);
}

.lesson-body h2 {
  font-size: 22px;
  font-weight: 700;
  margin: 32px 0 16px;
  color: var(--text);
}

.lesson-body h3 {
  font-size: 18px;
  font-weight: 600;
  margin: 24px 0 12px;
}

.lesson-body p {
  margin-bottom: 16px;
}

.lesson-body ul, .lesson-body ol {
  margin: 0 0 16px 24px;
}

.lesson-body li {
  margin-bottom: 8px;
}

.prompt-box, .response-box {
  margin: 20px 0;
  border-radius: var(--radius-sm);
  overflow: hidden;
  border: 1px solid var(--border);
}

.prompt-label, .response-label {
  padding: 8px 16px;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.prompt-label {
  background: rgba(217, 119, 6, 0.1);
  color: var(--primary);
  border-bottom: 1px solid var(--border);
}

.response-label {
  background: rgba(59, 130, 246, 0.1);
  color: var(--info);
  border-bottom: 1px solid var(--border);
}

.prompt-box pre, .response-box pre {
  padding: 16px;
  font-family: var(--mono);
  font-size: 13px;
  line-height: 1.6;
  white-space: pre-wrap;
  word-wrap: break-word;
  background: var(--bg);
  margin: 0;
  overflow-x: auto;
}

.lesson-body pre {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 16px;
  margin: 16px 0;
  overflow-x: auto;
}

.lesson-body code {
  font-family: var(--mono);
  font-size: 13px;
  line-height: 1.6;
}

.lesson-body p code {
  background: var(--bg-elevated);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 13px;
}

.tip-box {
  padding: 16px 20px;
  background: rgba(16, 185, 129, 0.05);
  border: 1px solid rgba(16, 185, 129, 0.2);
  border-left: 4px solid var(--success);
  border-radius: var(--radius-sm);
  margin: 20px 0;
  font-size: 14px;
  line-height: 1.6;
}

.warning-box {
  padding: 16px 20px;
  background: rgba(239, 68, 68, 0.05);
  border: 1px solid rgba(239, 68, 68, 0.2);
  border-left: 4px solid var(--danger);
  border-radius: var(--radius-sm);
  margin: 20px 0;
  font-size: 14px;
  line-height: 1.6;
}

/* Lesson Footer */
.lesson-footer {
  border-top: 1px solid var(--border);
  padding-top: 32px;
  margin-top: 48px;
}

#complete-btn { margin-bottom: 24px; }

.completed-badge {
  color: var(--success);
  font-weight: 700;
  font-size: 16px;
  margin-bottom: 24px;
}

.lesson-nav {
  display: flex;
  justify-content: space-between;
}

/* === QUIZ PAGE === */
.quiz-page {
  padding-top: 80px;
  padding-bottom: 60px;
}

.quiz-container {
  max-width: 720px;
}

.quiz-header {
  margin-bottom: 40px;
}

.quiz-header h1 {
  font-size: 28px;
  font-weight: 800;
  margin-bottom: 8px;
}

.quiz-header > p {
  color: var(--text-muted);
  font-size: 15px;
}

.previous-attempts {
  margin-top: 16px;
  padding: 16px;
  background: var(--bg-card);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
}

.previous-attempts h4 {
  font-size: 14px;
  margin-bottom: 8px;
  color: var(--text-muted);
}

.attempts-list {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.attempt-badge {
  font-size: 12px;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 100px;
}
.attempt-badge.passed { background: rgba(16,185,129,0.1); color: var(--success); }
.attempt-badge.failed { background: rgba(239,68,68,0.1); color: var(--danger); }

/* Quiz Questions */
.quiz-question {
  margin-bottom: 32px;
  padding: 24px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.question-number {
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--primary);
  margin-bottom: 8px;
}

.quiz-question h3 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 16px;
  line-height: 1.5;
}

.options-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.option-label {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.15s;
  font-size: 14px;
}
.option-label:hover {
  border-color: var(--border-light);
  background: var(--bg-card-hover);
}

.option-label input[type="radio"] {
  accent-color: var(--primary);
  width: 18px;
  height: 18px;
}

.option-label input[type="radio"]:checked + .option-text {
  color: var(--primary);
  font-weight: 600;
}

.quiz-submit {
  text-align: center;
  margin-top: 32px;
}

/* Quiz Results */
.result-banner {
  text-align: center;
  padding: 40px;
  border-radius: var(--radius);
  margin-bottom: 32px;
}

.result-banner.passed {
  background: rgba(16, 185, 129, 0.05);
  border: 2px solid rgba(16, 185, 129, 0.3);
}

.result-banner.failed {
  background: rgba(239, 68, 68, 0.05);
  border: 2px solid rgba(239, 68, 68, 0.3);
}

.result-icon { font-size: 48px; margin-bottom: 16px; }
.result-banner h2 { font-size: 24px; margin-bottom: 8px; }
.result-score { color: var(--text-muted); margin-bottom: 24px; font-size: 16px; }

.result-actions {
  display: flex;
  gap: 12px;
  justify-content: center;
}

.question-results {
  margin-top: 24px;
}

.question-results h3 {
  font-size: 18px;
  margin-bottom: 16px;
}

.result-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  margin-bottom: 8px;
  font-size: 14px;
}

.result-item.correct {
  background: rgba(16, 185, 129, 0.05);
  border: 1px solid rgba(16, 185, 129, 0.2);
}

.result-item.incorrect {
  background: rgba(239, 68, 68, 0.05);
  border: 1px solid rgba(239, 68, 68, 0.2);
}

.result-marker {
  font-size: 18px;
  font-weight: 700;
}

.result-item.correct .result-marker { color: var(--success); }
.result-item.incorrect .result-marker { color: var(--danger); }

.completion-message h3 {
  margin-bottom: 16px;
}

/* === RESPONSIVE === */
@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--bg);
    padding: 24px;
    flex-direction: column;
    border-bottom: 1px solid var(--border);
  }
  .nav-links.open { display: flex; }
  .nav-mobile-toggle { display: flex; }

  .hero-title { font-size: 36px; letter-spacing: -1px; }
  .hero-subtitle { font-size: 16px; }
  .hero-stats { gap: 24px; }

  .features-grid { grid-template-columns: 1fr; }
  .curriculum-card { flex-direction: column; gap: 12px; }

  .section-hero { flex-direction: column; text-align: center; padding: 24px; }
  .section-hero-icon { font-size: 48px; }

  .lesson-container { flex-direction: column; }
  .lesson-sidebar {
    width: 100%;
    min-width: 100%;
    position: static;
    height: auto;
    border-right: none;
    border-bottom: 1px solid var(--border);
    padding: 16px 24px;
  }
  .lesson-main { padding: 24px; }

  .quiz-cta { flex-direction: column; text-align: center; gap: 16px; }

  .dashboard-header { flex-direction: column; gap: 16px; text-align: center; }

  .section-grid { grid-template-columns: 1fr; }
  .stats-row { grid-template-columns: repeat(2, 1fr); }

  .footer-content { flex-direction: column; gap: 24px; }
  .footer-links { flex-wrap: wrap; }

  .pricing-card { padding: 32px 24px; }
  .faq-grid { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .hero-cta { flex-direction: column; }
  .hero-cta .btn { width: 100%; justify-content: center; }
  .hero-stats { flex-direction: column; gap: 16px; }
  .stats-row { grid-template-columns: 1fr; }
}

/* ============================================
   USE CASE GRID (Landing Page)
   ============================================ */
.use-cases-section { padding: 80px 0; background: #F0EBE4; }

.use-case-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 12px;
  margin-bottom: 32px;
}

.use-case-card {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 18px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  transition: all 0.15s;
}
.use-case-card:hover {
  border-color: var(--primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow);
  color: var(--primary);
}
.use-case-card span { font-size: 20px; }

.use-case-cta { text-align: center; }

/* ============================================
   CATEGORIES BROWSE
   ============================================ */
.cat-browse-hero {
  padding: 130px 0 50px;
  text-align: center;
  background: var(--hero-bg);
  color: #FAF6F1;
}
.cat-browse-hero h1 { font-size: 42px; font-weight: 900; margin-bottom: 12px; }
.cat-browse-hero p { color: #B8AFA6; font-size: 17px; margin-bottom: 28px; }

.cat-search-wrap {
  max-width: 480px;
  margin: 0 auto;
}
.cat-search-wrap input {
  width: 100%;
  padding: 14px 24px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 100px;
  color: #FAF6F1;
  font-size: 15px;
  font-family: var(--font);
}
.cat-search-wrap input::placeholder { color: #8A8078; }
.cat-search-wrap input:focus { outline: none; border-color: var(--primary); background: rgba(255,255,255,0.12); }

.cat-browse-body { padding: 40px 0 60px; }

.cat-jump-nav {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 40px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border);
}
.cat-jump-pill {
  padding: 6px 14px;
  border-radius: 100px;
  border: 1px solid var(--border);
  font-size: 13px;
  font-weight: 500;
  color: var(--text-muted);
  background: var(--bg-card);
  transition: all 0.15s;
  white-space: nowrap;
}
.cat-jump-pill:hover { border-color: var(--primary); color: var(--primary); }

.cat-group-section { margin-bottom: 48px; }

.cat-group-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}
.cat-group-left {
  display: flex;
  align-items: center;
  gap: 14px;
}
.cat-group-icon { font-size: 32px; }
.cat-group-header h2 { font-size: 20px; font-weight: 800; margin: 0; }
.cat-group-count { font-size: 12px; color: var(--text-dim); }

.cat-group-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.cat-list-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 20px 24px;
  background: #FFFFFF;
  color: #1A1613;
  border: 1px solid #E5DED5;
  border-radius: 12px;
  box-shadow: 0 1px 3px rgba(26,22,19,0.04);
  text-decoration: none;
  transition: all 0.15s;
}
.cat-list-item:hover {
  background: #FFFFFF;
  color: #1A1613;
  border-color: #DA7756;
  box-shadow: 0 4px 16px rgba(218,119,86,0.12);
  transform: translateY(-2px);
}
.cat-list-item:hover .cat-list-arrow { color: #DA7756; transform: translateX(4px); }

.cat-list-icon {
  font-size: 32px;
  flex-shrink: 0;
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #F5F0EA;
  border-radius: 12px;
}
.cat-list-info { flex: 1; min-width: 0; }
.cat-list-info h3 { font-size: 16px; font-weight: 700; margin-bottom: 3px; color: #1A1613; }
.cat-list-info p { font-size: 13px; color: #6B5E54; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; margin: 0; line-height: 1.4; }

.cat-list-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.cat-hours {
  font-size: 12px;
  color: #9B8E82;
  font-weight: 600;
  background: #F5F0EA;
  padding: 3px 8px;
  border-radius: 6px;
}

.cat-list-arrow {
  color: #D4CCC2;
  flex-shrink: 0;
  transition: all 0.15s;
}

.difficulty-tag {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 2px 8px;
  border-radius: 4px;
}
.difficulty-tag.beginner { background: rgba(61,139,110,0.1); color: var(--success); }
.difficulty-tag.intermediate { background: rgba(212,148,58,0.1); color: var(--warning); }
.difficulty-tag.advanced { background: rgba(218,119,86,0.1); color: var(--primary); }

/* ============================================
   CATEGORY LANDING PAGE
   ============================================ */
.cat-hero {
  padding: 140px 0 80px;
  background-size: cover;
  background-position: center;
  color: #FAF6F1;
}
.cat-breadcrumb { font-size: 13px; color: #B8AFA6; margin-bottom: 16px; }
.cat-breadcrumb a { color: var(--primary); }
.cat-hero-icon { font-size: 56px; margin-bottom: 16px; }
.cat-hero h1 { font-size: 40px; font-weight: 900; margin-bottom: 16px; max-width: 700px; }
.cat-hero p { font-size: 18px; color: #B8AFA6; max-width: 600px; margin-bottom: 24px; line-height: 1.7; }
.cat-hero-meta {
  display: flex;
  gap: 16px;
  margin-bottom: 32px;
  font-size: 14px;
  color: #9B8E82;
  flex-wrap: wrap;
}

.cat-highlights { padding: 60px 0; }
.cat-highlights h2 { font-size: 28px; font-weight: 800; margin-bottom: 24px; }
.highlights-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 12px;
}
.highlight-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 15px;
}
.highlight-check { color: var(--success); font-weight: 700; font-size: 16px; }

.cat-sections { padding: 60px 0; background: #F0EBE4; }
.cat-sections h2 { font-size: 28px; font-weight: 800; margin-bottom: 8px; }
.cat-section-list { display: flex; flex-direction: column; gap: 20px; margin-top: 32px; }

.cat-section-card {
  display: flex;
  gap: 24px;
  padding: 28px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.cat-section-number { font-size: 36px; font-weight: 900; color: var(--text-dim); min-width: 56px; }
.cat-section-info h3 { font-size: 18px; font-weight: 700; margin-bottom: 6px; }
.cat-section-info p { font-size: 14px; color: var(--text-muted); margin-bottom: 12px; }
.cat-section-meta { display: flex; gap: 16px; font-size: 12px; color: var(--text-dim); margin-bottom: 12px; }

.cat-lesson-preview { display: flex; flex-direction: column; gap: 4px; }
.preview-lesson-item { font-size: 13px; color: var(--text-muted); display: flex; align-items: center; gap: 8px; }
.lesson-dot { width: 6px; height: 6px; background: var(--primary); border-radius: 50%; flex-shrink: 0; }
.preview-lesson-more { font-size: 13px; color: var(--primary); font-weight: 600; padding-left: 14px; }

.cat-difficulty { padding: 60px 0; }
.cat-difficulty h2 { font-size: 28px; font-weight: 800; margin-bottom: 8px; text-align: center; }

.difficulty-demo {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
  margin-top: 32px;
}
.diff-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}
.diff-header {
  padding: 16px 20px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.diff-header h3 { font-size: 16px; font-weight: 700; }
.diff-icon { font-size: 20px; }
.diff-header.newbie { background: rgba(61,139,110,0.1); }
.diff-header.amateur { background: rgba(212,148,58,0.1); }
.diff-header.advanced { background: rgba(218,119,86,0.1); }
.diff-card p { padding: 16px 20px; font-size: 14px; color: var(--text-muted); line-height: 1.6; }

.cat-cta { padding: 80px 0; text-align: center; }
.cat-cta-card {
  max-width: 600px;
  margin: 0 auto;
  padding: 48px 40px;
  background: var(--bg-card);
  border: 2px solid var(--primary);
  border-radius: var(--radius-lg);
  box-shadow: 0 0 60px rgba(218,119,86,0.08);
}
.cat-cta h2 { font-size: 28px; margin-bottom: 12px; }
.cat-cta p { color: var(--text-muted); margin-bottom: 24px; }
.cat-cta-pricing { display: flex; align-items: center; justify-content: center; gap: 24px; margin-bottom: 16px; }
.cat-price { text-align: left; }
.cat-price-from { font-size: 13px; color: var(--text-dim); display: block; }
.cat-price-amount { font-size: 48px; font-weight: 900; color: var(--primary); }
.cat-price-period { font-size: 16px; color: var(--text-muted); }

/* ============================================
   GLOSSARY
   ============================================ */
.glossary-page { padding: 100px 0 60px; }

.glossary-header {
  text-align: center;
  margin-bottom: 40px;
}
.glossary-header h1 { font-size: 36px; font-weight: 900; margin-bottom: 12px; }
.glossary-header p { color: var(--text-muted); font-size: 16px; margin-bottom: 24px; }

.glossary-search input {
  width: 100%;
  max-width: 480px;
  padding: 14px 20px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 100px;
  font-size: 16px;
  font-family: var(--font);
  color: var(--text);
}
.glossary-search input:focus { outline: none; border-color: var(--primary); }

.glossary-filters {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: center;
  margin-bottom: 24px;
}

.filter-pill {
  padding: 6px 16px;
  border-radius: 100px;
  border: 1px solid var(--border);
  background: var(--bg-card);
  font-size: 13px;
  font-weight: 500;
  font-family: var(--font);
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.15s;
  text-transform: capitalize;
}
.filter-pill:hover { border-color: var(--primary); color: var(--primary); }
.filter-pill.active {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

.alpha-jump {
  display: flex;
  gap: 4px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 32px;
}
.alpha-link {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted);
  background: var(--bg-card);
  border: 1px solid var(--border);
}
.alpha-link:hover { background: var(--primary); color: #fff; border-color: var(--primary); }

.letter-divider {
  padding: 12px 0 8px;
  border-bottom: 2px solid var(--border);
  margin-bottom: 12px;
}
.letter-divider span {
  font-size: 24px;
  font-weight: 900;
  color: var(--primary);
}

.glossary-term {
  padding: 16px 20px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  margin-bottom: 8px;
}
.term-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
}
.term-header h3 { font-size: 16px; font-weight: 700; }
.term-category { font-size: 11px; color: var(--text-dim); text-transform: capitalize; background: var(--bg-elevated); padding: 2px 8px; border-radius: 4px; }
.term-definition { font-size: 14px; color: var(--text-muted); line-height: 1.6; }
.term-related { margin-top: 8px; font-size: 13px; display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.term-related span { color: var(--text-dim); }
.related-link { color: var(--primary); font-weight: 500; }

/* ============================================
   DIFFICULTY SWITCHER
   ============================================ */
.difficulty-switcher {
  display: flex;
  align-items: center;
  gap: 8px;
  justify-content: center;
  margin-bottom: 24px;
  flex-wrap: wrap;
}
.switcher-label { font-size: 14px; color: var(--text-muted); font-weight: 600; margin-right: 4px; }

.diff-btn {
  padding: 8px 16px;
  border-radius: 100px;
  border: 1px solid var(--border);
  background: var(--bg-card);
  font-size: 13px;
  font-weight: 600;
  font-family: var(--font);
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.15s;
}
.diff-btn:hover { border-color: var(--primary); }
.diff-btn.active {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

/* ============================================
   LANGUAGE SELECTOR
   ============================================ */
.lang-widget {
  position: fixed;
  left: 0;
  top: calc(50% + 56px);
  z-index: 9998;
}

.lang-toggle {
  width: 44px;
  height: 44px;
  background: var(--accent-brown);
  color: #FAF6F1;
  border: none;
  border-radius: 0 8px 8px 0;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 2px 2px 8px rgba(0,0,0,0.2);
  transition: all 0.2s;
}
.lang-toggle:hover {
  width: 48px;
  background: #2D2520;
}

.lang-panel {
  display: none;
  position: absolute;
  left: 48px;
  top: 50%;
  transform: translateY(-50%);
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  min-width: 160px;
}
.lang-panel.open { display: block; }

.lang-option {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 12px 16px;
  border: none;
  background: #fff;
  font-size: 14px;
  font-family: var(--font);
  color: var(--text);
  cursor: pointer;
  text-align: left;
  transition: background 0.1s;
}
.lang-option:hover {
  background: var(--bg-elevated);
}
.lang-option + .lang-option {
  border-top: 1px solid var(--border);
}

.lang-flag {
  width: 28px;
  height: 20px;
  background: var(--bg-elevated);
  border-radius: 3px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  font-weight: 700;
  color: var(--text-dim);
  flex-shrink: 0;
}

/* Hide Google Translate bar */
.goog-te-banner-frame, .skiptranslate { display: none !important; }
body { top: 0 !important; }

/* ============================================
   ADA ACCESSIBILITY WIDGET
   ============================================ */
.ada-widget {
  position: fixed;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  z-index: 9999;
}

.ada-toggle {
  width: 44px;
  height: 44px;
  background: var(--primary);
  color: #fff;
  border: none;
  border-radius: 0 8px 8px 0;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 2px 2px 8px rgba(0,0,0,0.2);
  transition: all 0.2s;
}
.ada-toggle:hover {
  width: 48px;
  background: var(--primary-hover);
}

.ada-panel {
  display: none;
  position: absolute;
  left: 48px;
  top: 50%;
  transform: translateY(-50%);
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  width: 280px;
  overflow: hidden;
}
.ada-panel.open { display: block; }

.ada-panel-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 16px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-elevated);
}
.ada-panel-header strong { font-size: 14px; color: var(--text); }
.ada-close {
  background: none;
  border: none;
  font-size: 20px;
  cursor: pointer;
  color: var(--text-muted);
  line-height: 1;
}

.ada-options { padding: 12px 16px; }

.ada-option {
  margin-bottom: 14px;
}
.ada-option label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-dim);
  margin-bottom: 6px;
}

.ada-btns {
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
}
.ada-btns button {
  padding: 6px 10px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--bg-card);
  font-size: 12px;
  font-family: var(--font);
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.15s;
}
.ada-btns button:hover {
  border-color: var(--primary);
  color: var(--primary);
}
.ada-btns button.active {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

.ada-reset {
  text-align: center;
  padding-top: 8px;
  border-top: 1px solid var(--border);
}

/* ADA modifications */
.ada-high-contrast { filter: contrast(1.4); }
.ada-dark { filter: invert(1) hue-rotate(180deg); }
.ada-dark img { filter: invert(1) hue-rotate(180deg); }
.ada-dyslexia { font-family: 'Comic Sans MS', 'OpenDyslexic', cursive !important; }
.ada-dyslexia * { font-family: inherit !important; }
.ada-highlight-links a { outline: 2px solid #FFD700 !important; outline-offset: 2px; }
.ada-reduce-motion, .ada-reduce-motion * { animation: none !important; transition: none !important; }
.ada-focus-mode *:not(:hover):not(:focus):not(nav):not(nav *) { opacity: 0.6; }
.ada-focus-mode *:hover, .ada-focus-mode *:focus { opacity: 1; }
.ada-line-wide { line-height: 2.2 !important; }
.ada-line-wide * { line-height: 2.2 !important; }
.ada-line-extra { line-height: 2.8 !important; }
.ada-line-extra * { line-height: 2.8 !important; }

/* Difficulty level content adjustments */
.lesson-diff { justify-content: flex-start; margin-top: 12px; }

.level-newbie pre,
.level-newbie code { font-size: 14px; line-height: 1.8; }
.level-newbie .prompt-box pre,
.level-newbie .response-box pre { font-size: 14px; }
.level-newbie { font-size: 16px; line-height: 2; }

.level-amateur pre,
.level-amateur code { font-size: 13px; }
.level-amateur { font-size: 15px; line-height: 1.8; }

.level-advanced pre,
.level-advanced code { font-size: 12.5px; line-height: 1.5; }
.level-advanced { font-size: 14px; line-height: 1.7; }
.level-advanced .tip-box { border-left-width: 3px; padding: 12px 16px; }

/* ============================================
   ADMIN PANEL
   ============================================ */
.admin-page { padding: 100px 0 60px; }
.admin-page h1 { font-size: 28px; font-weight: 800; margin-bottom: 24px; }
.admin-page h2 { font-size: 20px; font-weight: 700; margin-bottom: 16px; }

.admin-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 16px;
  margin-bottom: 32px;
}
.admin-stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  text-align: center;
}
.admin-stat-card.alert-card { border-color: var(--danger); }
.admin-stat-number { font-size: 32px; font-weight: 900; color: var(--primary); }
.admin-stat-label { font-size: 13px; color: var(--text-muted); margin-top: 4px; }

.admin-section { margin-bottom: 40px; }

.admin-search-bar { margin-bottom: 16px; }
.admin-search-bar form { display: flex; gap: 8px; }
.admin-search-input {
  flex: 1;
  padding: 10px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-family: var(--font);
  background: var(--bg-card);
  color: var(--text);
}
.admin-search-input:focus { outline: none; border-color: var(--primary); }

.admin-table-wrap { overflow-x: auto; }
.admin-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}
.admin-table th {
  text-align: left;
  padding: 10px 12px;
  border-bottom: 2px solid var(--border);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-dim);
}
.admin-table td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}
.admin-table a { font-weight: 600; }
.row-locked { background: rgba(196, 75, 63, 0.04); }

.status-pill {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 100px;
  font-size: 11px;
  font-weight: 600;
}
.status-pill.active { background: rgba(61,139,110,0.1); color: var(--success); }
.status-pill.expired { background: rgba(212,148,58,0.1); color: var(--warning); }
.status-pill.locked { background: rgba(196,75,63,0.1); color: var(--danger); }
.status-pill.unpaid { background: var(--bg-elevated); color: var(--text-dim); }

.text-danger { color: var(--danger); }
.text-muted { color: var(--text-muted); }
.mono { font-family: var(--mono); font-size: 12px; }

/* User Detail */
.user-detail-header {
  display: flex;
  justify-content: space-between;
  align-items: start;
  margin-bottom: 24px;
}
.user-info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 16px;
  margin-bottom: 32px;
}
.info-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
}
.info-card h3 { font-size: 14px; font-weight: 700; margin-bottom: 12px; color: var(--text-dim); text-transform: uppercase; letter-spacing: 0.5px; }
.info-row { display: flex; justify-content: space-between; padding: 6px 0; font-size: 13px; border-bottom: 1px solid var(--border); }
.info-row:last-child { border-bottom: none; }
.ip-list { margin-top: 8px; font-size: 12px; }
.goal-tags-display { display: flex; flex-wrap: wrap; gap: 6px; }
.goal-tag-display { background: var(--bg-elevated); padding: 4px 10px; border-radius: 100px; font-size: 12px; color: var(--text-muted); }

/* ============================================
   EDUCATORS PAGE
   ============================================ */
.edu-hero {
  padding: 140px 0 80px;
  background: var(--hero-bg);
  color: #FAF6F1;
}
.edu-badge {
  display: inline-block;
  background: rgba(218,119,86,0.12);
  color: var(--primary);
  padding: 6px 16px;
  border-radius: 100px;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 16px;
  border: 1px solid rgba(218,119,86,0.2);
}
.edu-hero h1 { font-size: 42px; font-weight: 900; margin-bottom: 16px; max-width: 700px; }
.edu-hero p { font-size: 18px; color: #B8AFA6; max-width: 600px; margin-bottom: 32px; line-height: 1.7; }

.edu-features { padding: 80px 0; }
.edu-curriculum { padding: 60px 0; background: #F0EBE4; }
.edu-skill-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 12px; }
.edu-skill {
  padding: 16px 20px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 14px;
  line-height: 1.5;
}
.edu-pricing { padding: 80px 0; }

/* ============================================
   LEGAL PAGES
   ============================================ */
.legal-page { padding: 100px 0 60px; }
.legal-content { max-width: 720px; margin: 0 auto; }
.legal-content h1 { font-size: 32px; font-weight: 900; margin-bottom: 8px; }
.legal-updated { color: var(--text-muted); font-size: 14px; margin-bottom: 32px; }
.legal-content h2 { font-size: 18px; font-weight: 700; margin: 32px 0 12px; }
.legal-content p { font-size: 15px; line-height: 1.7; margin-bottom: 12px; color: var(--text); }
.legal-content ul { margin: 0 0 16px 20px; }
.legal-content li { font-size: 14px; line-height: 1.7; margin-bottom: 6px; color: var(--text-muted); }

/* Responsive for new components */
@media (max-width: 768px) {
  .cat-hero h1 { font-size: 28px; }
  .cat-section-card { flex-direction: column; gap: 12px; }
  .category-cards { grid-template-columns: 1fr; }
  .highlights-grid { grid-template-columns: 1fr; }
  .difficulty-demo { grid-template-columns: 1fr; }
  .cat-cta-pricing { flex-direction: column; gap: 12px; }
  .admin-stats { grid-template-columns: repeat(2, 1fr); }
  .user-info-grid { grid-template-columns: 1fr; }
  .edu-hero h1 { font-size: 28px; }
  .edu-skill-grid { grid-template-columns: 1fr; }
}