/* Semantic Learning Platform - Custom Styles */

:root {
  /* Logo colors from ideia.me */
  --logo-golden-yellow: #FBBF24;
  --logo-vibrant-light-blue: #0EA5E9;
  --logo-reddish-orange: #EF4444;
  --logo-deep-purple-blue: #1E3A8A;
  
  /* Additional colors for UI */
  --bg-color: #000000;
  --card-bg-color: #0a0a0a;
  --text-color: #ffffff;
  --text-muted: #d1d5db;
  --border-color: rgba(255, 255, 255, 0.2);
  
  /* Semantic-specific colors using logo palette */
  --success-color: #FBBF24;
  --warning-color: #0EA5E9;
  --error-color: #EF4444;
  --info-color: #1E3A8A;
  
  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  
  /* Animation */
  --transition-speed: 0.3s;
  --bounce: cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

/* Particles Background */
#particles-js {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  opacity: 0.3;
}

/* Progress Dashboard */
.progress-dashboard {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(0, 0, 0, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 2px solid var(--border-color);
  z-index: 1000;
  padding: var(--spacing-sm) 0;
}

.progress-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-sm);
}

.progress-header h3 {
  margin: 0;
  font-size: 1.2rem;
  background: linear-gradient(135deg, var(--logo-golden-yellow), var(--logo-vibrant-light-blue));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.progress-stats {
  display: flex;
  gap: var(--spacing-md);
}

.stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
}

.stat-value {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--logo-vibrant-light-blue);
}

.stat-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.progress-bar-container {
  height: 8px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 10px;
  overflow: hidden;
  position: relative;
}

.progress-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--logo-golden-yellow), var(--logo-vibrant-light-blue), var(--logo-reddish-orange), var(--logo-deep-purple-blue));
  background-size: 300% 100%;
  border-radius: 10px;
  width: 0%;
  transition: width 0.5s ease;
  animation: shimmer 3s infinite;
}

@keyframes shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* Main Container */
.semantic-learn-container {
  display: flex;
  margin-top: 120px;
  min-height: calc(100vh - 120px);
  gap: var(--spacing-lg);
  padding: var(--spacing-lg);
  max-width: 1400px;
  margin-left: auto;
  margin-right: auto;
}

/* Navigation Sidebar */
.chapter-nav {
  position: sticky;
  top: 140px;
  width: 300px;
  height: fit-content;
  background: var(--card-bg-color);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: var(--spacing-md);
  flex-shrink: 0;
  transition: all var(--transition-speed) ease;
}

.chapter-nav.collapsed {
  width: 60px;
  padding: var(--spacing-sm);
}

.chapter-nav.collapsed .nav-header h2 {
  display: none;
}

.chapter-nav.collapsed .chapter-list {
  display: none;
}

.nav-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-md);
  padding-bottom: var(--spacing-sm);
  border-bottom: 1px solid var(--border-color);
}

.nav-header h2 {
  margin: 0;
  font-size: 1.3rem;
}

.nav-toggle {
  display: block;
  background: none;
  border: none;
  color: var(--text-color);
  font-size: 1.5rem;
  cursor: pointer;
  padding: var(--spacing-xs);
  border-radius: 6px;
  transition: all var(--transition-speed) ease;
}

.nav-toggle:hover {
  background: rgba(255, 255, 255, 0.1);
  color: var(--logo-golden-yellow);
}

.chapter-nav.collapsed .nav-toggle {
  margin: 0 auto;
}

.chapter-list {
  list-style: none;
  padding: 0;
  margin: 0 0 var(--spacing-lg) 0;
}

.chapter-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm);
  margin-bottom: var(--spacing-xs);
  border-radius: 8px;
  cursor: pointer;
  transition: all var(--transition-speed);
  border: 1px solid transparent;
}

.chapter-item:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: var(--logo-vibrant-light-blue);
  transform: translateX(5px);
}

.chapter-item.active {
  background: linear-gradient(135deg, rgba(251, 191, 36, 0.2), rgba(14, 165, 233, 0.2));
  border-color: var(--logo-vibrant-light-blue);
}

.chapter-item.completed {
  opacity: 0.7;
}

.chapter-number {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  font-weight: 700;
  font-size: 0.9rem;
  flex-shrink: 0;
}

.chapter-title {
  flex: 1;
  font-size: 0.9rem;
  font-weight: 500;
}

.chapter-status {
  font-size: 1rem;
  flex-shrink: 0;
}

/* Achievement Badges */
.achievements-section {
  border-top: 1px solid var(--border-color);
  padding-top: var(--spacing-md);
}

.achievements-section h3 {
  font-size: 1rem;
  margin: 0 0 var(--spacing-sm) 0;
}

.badge-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-xs);
}

.badge {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
  padding: var(--spacing-xs);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  transition: all var(--transition-speed);
  cursor: help;
}

.badge.locked {
  opacity: 0.3;
  filter: grayscale(100%);
}

.badge.unlocked {
  opacity: 1;
  filter: grayscale(0%);
  animation: badgeUnlock 0.6s var(--bounce);
  border-color: var(--success-color);
  box-shadow: 0 0 20px rgba(81, 207, 102, 0.3);
}

@keyframes badgeUnlock {
  0% { transform: scale(0) rotate(0deg); }
  50% { transform: scale(1.2) rotate(180deg); }
  100% { transform: scale(1) rotate(360deg); }
}

.badge-icon {
  font-size: 1.5rem;
}

.badge-name {
  font-size: 0.65rem;
  text-align: center;
  color: var(--text-muted);
}

/* Content Area */
.content-area {
  flex: 1;
  min-width: 0;
}

.chapter {
  display: none;
  scroll-margin-top: 120px;
  margin-bottom: var(--spacing-xl);
  padding-bottom: var(--spacing-xl);
  border-bottom: 2px solid var(--border-color);
}

.chapter:last-child {
  border-bottom: none;
}

.chapter.active {
  display: block;
  animation: fadeInUp 0.5s ease forwards;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Chapter Header */
.chapter-header {
  margin-bottom: var(--spacing-xl);
  text-align: center;
  padding: var(--spacing-xl) 0;
}

.chapter-label {
  display: inline-block;
  padding: 0.5rem 1rem;
  background: rgba(37, 99, 235, 0.2);
  border: 1px solid var(--primary-blue);
  border-radius: 20px;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--spacing-sm);
}

.chapter-title-main {
  font-size: 2.5rem;
  margin: var(--spacing-sm) 0;
  background: linear-gradient(135deg, var(--logo-golden-yellow), var(--logo-vibrant-light-blue));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: titleGlow 3s ease-in-out infinite;
}

@keyframes titleGlow {
  0%, 100% { filter: brightness(1); }
  50% { filter: brightness(1.3); }
}

.chapter-subtitle {
  font-size: 1.2rem;
  color: var(--text-muted);
  margin: 0;
}

/* Content Cards */
.content-card {
  background: var(--card-bg-color);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
  transition: all var(--transition-speed);
}

.content-card:hover {
  border-color: var(--primary-blue);
  box-shadow: 0 8px 30px rgba(37, 99, 235, 0.15);
  transform: translateY(-2px);
}

.content-card h2 {
  margin-top: 0;
  font-size: 1.5rem;
  color: var(--logo-vibrant-light-blue);
}

.animate-in {
  animation: slideIn 0.6s ease forwards;
  opacity: 0;
}

.animate-in:nth-child(1) { animation-delay: 0.1s; }
.animate-in:nth-child(2) { animation-delay: 0.2s; }
.animate-in:nth-child(3) { animation-delay: 0.3s; }
.animate-in:nth-child(4) { animation-delay: 0.4s; }

@keyframes slideIn {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Feature Grid */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
}

.feature-card {
  text-align: center;
  padding: var(--spacing-md);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  transition: all var(--transition-speed);
}

.feature-card:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--primary-purple);
  transform: translateY(-5px);
}

.feature-icon {
  font-size: 3rem;
  margin-bottom: var(--spacing-sm);
  animation: floatAndFade 10s ease-in-out forwards;
}

.feature-card:nth-child(1) .feature-icon { animation-delay: 0s; }
.feature-card:nth-child(2) .feature-icon { animation-delay: 0.5s; }
.feature-card:nth-child(3) .feature-icon { animation-delay: 1s; }
.feature-card:nth-child(4) .feature-icon { animation-delay: 1.5s; }

@keyframes floatAndFade {
  0% { 
    transform: translateY(0);
    opacity: 1;
  }
  80% { 
    transform: translateY(-10px);
    opacity: 1;
  }
  100% { 
    transform: translateY(-10px);
    opacity: 0;
  }
}

.feature-card h3 {
  font-size: 1.1rem;
  margin: var(--spacing-sm) 0;
}

.feature-card p {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin: 0;
}

/* Journey Flow */
.journey-flow {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin: var(--spacing-lg) 0;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
}

.flow-step {
  flex: 1;
  min-width: 150px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: var(--spacing-md);
  background: rgba(255, 255, 255, 0.05);
  border-radius: 12px;
  transition: all var(--transition-speed);
}

.flow-step:hover {
  background: rgba(255, 255, 255, 0.1);
  transform: scale(1.05);
}

.step-number {
  width: 50px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--primary-blue), var(--primary-purple));
  border-radius: 50%;
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
}

.flow-arrow {
  font-size: 2rem;
  color: var(--primary-teal);
  flex-shrink: 0;
}

.step-content h4 {
  margin: 0 0 0.5rem 0;
  font-size: 1.1rem;
}

.step-content p {
  margin: 0;
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* CTA Card */
.cta-card {
  text-align: center;
  padding: var(--spacing-xl);
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.1), rgba(124, 58, 237, 0.1));
  border: 2px solid var(--primary-blue);
}

.cta-card h2 {
  color: var(--text-color);
  margin-bottom: var(--spacing-md);
}

/* Buttons */
.btn-primary, .btn-secondary, .btn-add {
  padding: 0.75rem 1.5rem;
  border: none;
  border-radius: 8px;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-speed);
  font-size: 1rem;
}

.btn-primary {
  background: linear-gradient(135deg, var(--logo-golden-yellow), var(--logo-vibrant-light-blue));
  color: white;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(251, 191, 36, 0.4);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.1);
  color: var(--text-color);
  border: 1px solid var(--border-color);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.15);
  border-color: var(--logo-vibrant-light-blue);
}

.btn-large {
  padding: 1rem 2rem;
  font-size: 1.1rem;
}

.btn-small {
  padding: 0.5rem 1rem;
  font-size: 0.85rem;
}

.btn-icon {
  background: none;
  border: none;
  color: var(--text-color);
  font-size: 1.2rem;
  cursor: pointer;
  padding: 0.25rem 0.5rem;
  transition: all var(--transition-speed);
}

.btn-icon:hover {
  color: var(--primary-light-blue);
  transform: scale(1.2);
}

/* Highlight Box */
.highlight-box {
  background: linear-gradient(135deg, rgba(251, 191, 36, 0.1), rgba(245, 158, 11, 0.1));
  border-left: 4px solid var(--warning-color);
  padding: var(--spacing-md);
  margin: var(--spacing-md) 0;
  border-radius: 8px;
}

.highlight-box p {
  margin: 0;
  color: var(--text-color);
}

/* Interactive Section */
.interactive-section {
  background: linear-gradient(135deg, rgba(13, 148, 136, 0.1), rgba(6, 95, 70, 0.1));
  border: 2px solid var(--primary-teal);
  border-radius: 12px;
  padding: var(--spacing-lg);
  margin: var(--spacing-xl) 0;
}

.interactive-section h2 {
  color: var(--primary-teal);
  margin-top: 0;
}

/* Game Container */
.game-container {
  background: rgba(0, 0, 0, 0.3);
  border-radius: 12px;
  padding: var(--spacing-lg);
  margin-top: var(--spacing-md);
}

.game-instructions {
  background: rgba(255, 255, 255, 0.05);
  padding: var(--spacing-md);
  border-radius: 8px;
  margin-bottom: var(--spacing-md);
  border-left: 4px solid var(--info-color);
}

.game-header {
  display: flex;
  justify-content: space-between;
  margin-bottom: var(--spacing-md);
  font-size: 1.1rem;
  font-weight: 600;
}

.game-timer {
  color: var(--warning-color);
}

.game-score {
  color: var(--success-color);
}

.game-controls {
  display: flex;
  gap: var(--spacing-sm);
  justify-content: center;
  margin-top: var(--spacing-md);
}

.game-feedback {
  margin-top: var(--spacing-md);
  padding: var(--spacing-md);
  border-radius: 8px;
  text-align: center;
  font-weight: 600;
  min-height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.game-feedback.success {
  background: rgba(81, 207, 102, 0.2);
  border: 2px solid var(--success-color);
  color: var(--success-color);
  animation: successPulse 0.5s ease;
}

.game-feedback.error {
  background: rgba(255, 107, 107, 0.2);
  border: 2px solid var(--error-color);
  color: var(--error-color);
  animation: shake 0.5s ease;
}

@keyframes successPulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-10px); }
  75% { transform: translateX(10px); }
}

/* Word Web Canvas */
.word-web-canvas {
  min-height: 400px;
  background: rgba(0, 0, 0, 0.5);
  border-radius: 8px;
  padding: var(--spacing-md);
  position: relative;
  display: flex;
  justify-content: space-around;
  align-items: center;
  flex-wrap: wrap;
}

.word-node {
  padding: var(--spacing-sm) var(--spacing-md);
  background: linear-gradient(135deg, var(--primary-blue), var(--primary-purple));
  border-radius: 20px;
  cursor: pointer;
  transition: all var(--transition-speed);
  margin: var(--spacing-xs);
  user-select: none;
}

.word-node:hover {
  transform: scale(1.1);
  box-shadow: 0 5px 20px rgba(37, 99, 235, 0.5);
}

.word-node.selected {
  box-shadow: 0 0 0 3px var(--warning-color);
  animation: pulse 1s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.7; }
}

/* Card Matching Grid */
.card-matching-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: var(--spacing-md);
  margin: var(--spacing-lg) 0;
}

.match-card {
  aspect-ratio: 3/2;
  background: linear-gradient(135deg, var(--primary-blue), var(--primary-purple));
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--spacing-sm);
  cursor: pointer;
  transition: all var(--transition-speed);
  font-weight: 600;
  position: relative;
  transform-style: preserve-3d;
}

.match-card:hover {
  transform: translateY(-5px) scale(1.05);
}

.match-card.flipped {
  background: rgba(255, 255, 255, 0.1);
}

.match-card.matched {
  background: linear-gradient(135deg, var(--success-color), #37b24d);
  pointer-events: none;
  animation: cardMatch 0.5s ease;
}

@keyframes cardMatch {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.1) rotate(5deg); }
}

/* Vocabulary Mapper */
.vocabulary-mapper {
  background: rgba(0, 0, 0, 0.3);
  padding: var(--spacing-lg);
  border-radius: 12px;
}

.mapper-input {
  display: flex;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-lg);
  flex-wrap: wrap;
}

.mapper-input input {
  flex: 1;
  min-width: 200px;
  padding: var(--spacing-sm);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  color: var(--text-color);
  font-size: 1rem;
}

.mapper-input input:focus {
  outline: none;
  border-color: var(--primary-blue);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.2);
}

.mapper-arrow {
  font-size: 1.5rem;
  color: var(--primary-teal);
  display: flex;
  align-items: center;
}

.btn-add {
  background: var(--success-color);
  color: white;
  white-space: nowrap;
}

.btn-add:hover {
  background: #37b24d;
  transform: translateY(-2px);
}

.vocab-map-visual {
  min-height: 300px;
  background: rgba(0, 0, 0, 0.5);
  border-radius: 8px;
  padding: var(--spacing-lg);
}

.vocab-pair {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-sm);
  background: rgba(255, 255, 255, 0.05);
  border-radius: 8px;
  margin-bottom: var(--spacing-sm);
  animation: slideIn 0.3s ease;
}

.vocab-pair .old {
  flex: 1;
  color: var(--error-color);
  text-decoration: line-through;
}

.vocab-pair .arrow {
  color: var(--primary-teal);
  font-size: 1.2rem;
}

.vocab-pair .new {
  flex: 1;
  color: var(--success-color);
  font-weight: 600;
}

.vocab-pair .remove {
  background: none;
  border: none;
  color: var(--error-color);
  cursor: pointer;
  font-size: 1.2rem;
  padding: 0.25rem;
  opacity: 0.6;
  transition: all var(--transition-speed);
}

.vocab-pair .remove:hover {
  opacity: 1;
  transform: scale(1.2);
}

.empty-state {
  text-align: center;
  color: var(--text-muted);
  padding: var(--spacing-xl);
}

/* NVC Components */
.nvc-components {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-md);
  margin: var(--spacing-lg) 0;
}

.nvc-card {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: var(--spacing-md);
  text-align: center;
  transition: all var(--transition-speed);
}

.nvc-card:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--primary-blue);
  transform: translateY(-5px);
}

.nvc-number {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--primary-blue), var(--primary-purple));
  border-radius: 50%;
  font-size: 1.2rem;
  font-weight: 700;
  margin: 0 auto var(--spacing-sm) auto;
}

.nvc-card h3 {
  font-size: 1.1rem;
  margin: var(--spacing-sm) 0;
}

.nvc-card p {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin: 0;
}

/* Drag & Drop Areas */
.drag-drop-area {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-lg);
  margin: var(--spacing-lg) 0;
}

.emotions-column, .needs-column {
  background: rgba(0, 0, 0, 0.3);
  border-radius: 12px;
  padding: var(--spacing-md);
}

.emotions-column h4, .needs-column h4 {
  margin: 0 0 var(--spacing-md) 0;
  text-align: center;
  color: var(--primary-light-blue);
}

.draggable-list, .droppable-list {
  min-height: 300px;
}

.draggable-item {
  padding: var(--spacing-sm);
  background: linear-gradient(135deg, var(--primary-blue), var(--primary-purple));
  border-radius: 8px;
  margin-bottom: var(--spacing-xs);
  cursor: move;
  transition: all var(--transition-speed);
  user-select: none;
}

.draggable-item:hover {
  transform: scale(1.02);
  box-shadow: 0 5px 15px rgba(37, 99, 235, 0.3);
}

.draggable-item.dragging {
  opacity: 0.5;
  transform: rotate(5deg);
}

.drop-zone {
  padding: var(--spacing-sm);
  background: rgba(255, 255, 255, 0.05);
  border: 2px dashed var(--border-color);
  border-radius: 8px;
  margin-bottom: var(--spacing-xs);
  min-height: 50px;
  transition: all var(--transition-speed);
}

.drop-zone.over {
  background: rgba(37, 99, 235, 0.2);
  border-color: var(--primary-blue);
}

.drop-zone.filled {
  background: rgba(81, 207, 102, 0.2);
  border-color: var(--success-color);
  border-style: solid;
}

/* Comparison Box */
.comparison-box {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-lg);
  margin: var(--spacing-lg) 0;
}

.before, .after {
  padding: var(--spacing-md);
  border-radius: 12px;
  border: 2px solid;
}

.before {
  background: rgba(255, 107, 107, 0.1);
  border-color: var(--error-color);
}

.after {
  background: rgba(81, 207, 102, 0.1);
  border-color: var(--success-color);
}

.before h4, .after h4 {
  margin: 0 0 var(--spacing-sm) 0;
}

.before p, .after p {
  margin: 0;
  font-style: italic;
}

/* Brain City Canvas */
.brain-canvas-wrapper {
  background: rgba(0, 0, 0, 0.5);
  border-radius: 12px;
  padding: var(--spacing-md);
  margin: var(--spacing-md) 0;
  display: flex;
  justify-content: center;
}

#brain-city-canvas {
  max-width: 100%;
  border-radius: 8px;
  cursor: pointer;
}

.brain-controls {
  display: flex;
  gap: var(--spacing-lg);
  margin: var(--spacing-md) 0;
  flex-wrap: wrap;
}

.pathway-selector {
  flex: 1;
  min-width: 300px;
}

.pathway-selector h4 {
  margin: 0 0 var(--spacing-sm) 0;
}

.pathway-btn {
  display: block;
  width: 100%;
  padding: var(--spacing-sm);
  background: rgba(255, 255, 255, 0.05);
  border: 2px solid var(--border-color);
  border-radius: 8px;
  color: var(--text-color);
  cursor: pointer;
  margin-bottom: var(--spacing-xs);
  transition: all var(--transition-speed);
  font-size: 1rem;
}

.pathway-btn:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--primary-blue);
}

.pathway-btn.active {
  background: linear-gradient(135deg, var(--primary-blue), var(--primary-purple));
  border-color: var(--primary-purple);
}

.practice-counter {
  flex: 1;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 12px;
  padding: var(--spacing-md);
  text-align: center;
}

.practice-counter p {
  margin: var(--spacing-sm) 0;
  font-size: 1.2rem;
}

.practice-counter span {
  color: var(--primary-light-blue);
  font-weight: 700;
  font-size: 1.5rem;
}

/* Memory Scale - Vertical Layout */
.memory-scale-vertical {
  margin: var(--spacing-lg) 0;
}

.scale-journey {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-sm);
}

.journey-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 100%;
  max-width: 400px;
}

.step-content {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  width: 100%;
  padding: var(--spacing-md);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  transition: all var(--transition-speed);
}

.step-content:hover {
  background: rgba(255, 255, 255, 0.08);
  transform: translateX(5px);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.scale-emoji {
  font-size: 2.5rem;
  min-width: 60px;
  text-align: center;
}

.step-info {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.scale-label {
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--primary-light-blue);
}

.scale-desc {
  font-size: 1rem;
  color: rgba(255, 255, 255, 0.8);
  line-height: 1.4;
}

.step-arrow {
  font-size: 2rem;
  color: var(--primary-light-blue);
  margin: var(--spacing-sm) 0;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 0.6; }
  50% { opacity: 1; }
}

/* Legacy horizontal scale styles (keeping for backward compatibility) */
.memory-scale {
  display: flex;
  justify-content: space-between;
  margin: var(--spacing-lg) 0;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
}

.scale-item {
  flex: 1;
  min-width: 150px;
  text-align: center;
  padding: var(--spacing-md);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  transition: all var(--transition-speed);
}

.scale-item:hover {
  background: rgba(255, 255, 255, 0.08);
  transform: translateY(-3px);
}

.scale-label {
  display: block;
  font-weight: 700;
  margin-bottom: 0.25rem;
  color: var(--primary-light-blue);
}

.scale-desc {
  display: block;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.scale-slider {
  background: rgba(0, 0, 0, 0.3);
  padding: var(--spacing-lg);
  border-radius: 12px;
  margin-top: var(--spacing-md);
}

.scale-slider label {
  display: block;
  margin-bottom: var(--spacing-sm);
  font-weight: 600;
}

.scale-slider input[type="range"] {
  width: 100%;
  height: 8px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 10px;
  outline: none;
  -webkit-appearance: none;
}

.scale-slider input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 24px;
  height: 24px;
  background: linear-gradient(135deg, var(--primary-blue), var(--primary-purple));
  border-radius: 50%;
  cursor: pointer;
  transition: all var(--transition-speed);
}

.scale-slider input[type="range"]::-webkit-slider-thumb:hover {
  transform: scale(1.2);
  box-shadow: 0 0 20px rgba(37, 99, 235, 0.5);
}

.scale-current {
  margin-top: var(--spacing-md);
  text-align: center;
  font-size: 1.1rem;
}

.scale-current span {
  color: var(--primary-light-blue);
  font-weight: 700;
}

/* Audience Cards */
.audience-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-md);
  margin: var(--spacing-lg) 0;
}

.audience-card {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: var(--spacing-md);
  transition: all var(--transition-speed);
}

.audience-card:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--primary-teal);
  transform: translateY(-5px);
}

.audience-card h4 {
  margin: 0 0 var(--spacing-sm) 0;
  color: var(--primary-light-blue);
}

.audience-card p {
  margin: var(--spacing-xs) 0;
  font-size: 0.9rem;
}

.audience-card p strong {
  color: var(--text-color);
}

/* Quiz Container */
.quiz-container {
  background: rgba(0, 0, 0, 0.3);
  border-radius: 12px;
  padding: var(--spacing-lg);
}

.quiz-question {
  display: none;
}

.quiz-question.active {
  display: block;
  animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.quiz-question h4 {
  margin: 0 0 var(--spacing-md) 0;
  color: var(--primary-light-blue);
}

.quiz-options {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.quiz-option {
  display: flex;
  align-items: center;
  padding: var(--spacing-md);
  background: rgba(255, 255, 255, 0.05);
  border: 2px solid var(--border-color);
  border-radius: 8px;
  cursor: pointer;
  transition: all var(--transition-speed);
}

.quiz-option:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--primary-blue);
}

.quiz-option input[type="radio"] {
  margin-right: var(--spacing-sm);
  width: 20px;
  height: 20px;
  cursor: pointer;
}

.quiz-option span {
  flex: 1;
}

.quiz-controls {
  display: flex;
  gap: var(--spacing-sm);
  justify-content: space-between;
  margin-top: var(--spacing-lg);
}

.toolkit-results {
  background: rgba(81, 207, 102, 0.1);
  border: 2px solid var(--success-color);
  border-radius: 12px;
  padding: var(--spacing-lg);
  margin-top: var(--spacing-lg);
}

.toolkit-results h3 {
  margin: 0 0 var(--spacing-md) 0;
  color: var(--success-color);
}

#toolkit-recommendations {
  margin: var(--spacing-lg) 0;
}

.recommendation-item {
  background: rgba(255, 255, 255, 0.05);
  padding: var(--spacing-md);
  border-radius: 8px;
  margin-bottom: var(--spacing-sm);
}

.recommendation-item h4 {
  margin: 0 0 var(--spacing-xs) 0;
  color: var(--primary-light-blue);
}

.recommendation-item p {
  margin: 0;
  font-size: 0.9rem;
}

/* Reflection Box */
.reflection-box {
  background: rgba(124, 58, 237, 0.1);
  border: 2px solid var(--primary-purple);
  border-radius: 12px;
  padding: var(--spacing-lg);
}

.reflection-textarea {
  width: 100%;
  min-height: 150px;
  padding: var(--spacing-md);
  background: rgba(0, 0, 0, 0.5);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  color: var(--text-color);
  font-family: inherit;
  font-size: 1rem;
  resize: vertical;
  margin: var(--spacing-md) 0;
}

.reflection-textarea:focus {
  outline: none;
  border-color: var(--primary-purple);
  box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.2);
}

.save-status {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-style: italic;
}

/* Chapter Navigation */
.chapter-navigation {
  display: flex;
  justify-content: space-between;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-xl);
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--border-color);
}

/* Therapeutic Exercises */
.therapeutic-exercises {
  display: grid;
  gap: var(--spacing-lg);
  margin-top: var(--spacing-lg);
}

.exercise-section {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: var(--spacing-lg);
  transition: all var(--transition-speed) ease;
}

.exercise-section:hover {
  background: rgba(14, 165, 233, 0.05);
  border-color: var(--logo-vibrant-light-blue);
  transform: translateY(-2px);
}

.exercise-section h3 {
  color: var(--logo-golden-yellow);
  margin-bottom: var(--spacing-sm);
  font-size: 1.3rem;
}

.exercise-section p {
  margin-bottom: var(--spacing-md);
  line-height: 1.6;
}

.exercise-prompt {
  background: rgba(251, 191, 36, 0.1);
  border: 1px solid rgba(251, 191, 36, 0.3);
  border-radius: 8px;
  padding: var(--spacing-md);
  margin-top: var(--spacing-md);
}

.exercise-prompt h4 {
  color: var(--logo-golden-yellow);
  margin-bottom: var(--spacing-sm);
  font-size: 1.1rem;
}

.exercise-prompt ul {
  margin: 0;
  padding-left: var(--spacing-md);
}

.exercise-prompt li {
  margin-bottom: var(--spacing-xs);
  line-height: 1.5;
}

/* Completion Celebration */
.completion-celebration {
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

.celebration-animation {
  min-height: 200px;
  margin-bottom: var(--spacing-lg);
}

.celebration-title {
  font-size: 3rem;
  margin: var(--spacing-lg) 0;
  animation: rainbow 5s linear infinite;
}

@keyframes rainbow {
  0% { color: #ff6b6b; }
  20% { color: #ffd43b; }
  40% { color: #51cf66; }
  60% { color: #339af0; }
  80% { color: #a78bfa; }
  100% { color: #ff6b6b; }
}

.completion-stats {
  display: flex;
  justify-content: space-around;
  margin: var(--spacing-xl) 0;
  gap: var(--spacing-md);
  flex-wrap: wrap;
}

.completion-stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-xs);
  flex: 1;
  min-width: 150px;
}

.stat-icon {
  font-size: 3rem;
}

.stat-number {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--primary-light-blue);
}

.next-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-lg);
  margin: var(--spacing-lg) 0;
}

.next-step {
  text-align: center;
  padding: var(--spacing-lg);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  transition: all var(--transition-speed);
}

.next-step:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--primary-blue);
  transform: translateY(-5px);
}

.step-icon {
  font-size: 3rem;
  display: block;
  margin-bottom: var(--spacing-md);
}

.next-step h4 {
  margin: var(--spacing-sm) 0;
}

.next-step p {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: var(--spacing-md);
}

/* Floating Vocabulary Builder Panel */
.vocab-builder-panel {
  position: fixed;
  bottom: 80px;
  right: 20px;
  width: 350px;
  max-height: 500px;
  background: var(--card-bg-color);
  border: 2px solid var(--border-color);
  border-radius: 12px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
  z-index: 999;
  display: none;
  flex-direction: column;
  animation: slideInRight 0.3s ease;
}

.vocab-builder-panel.open {
  display: flex;
}

.vocab-builder-panel.minimized {
  max-height: 60px;
}

.vocab-builder-panel.minimized .vocab-builder-content {
  display: none;
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(100%);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.vocab-builder-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-md);
  border-bottom: 1px solid var(--border-color);
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.1), rgba(124, 58, 237, 0.1));
}

.vocab-builder-header h3 {
  margin: 0;
  font-size: 1rem;
}

.vocab-builder-controls {
  display: flex;
  gap: var(--spacing-xs);
}

.vocab-builder-content {
  flex: 1;
  overflow-y: auto;
  padding: var(--spacing-md);
}

.vocab-builder-list {
  margin-bottom: var(--spacing-md);
}

.vocab-builder-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-xs);
  background: rgba(255, 255, 255, 0.05);
  border-radius: 8px;
  margin-bottom: var(--spacing-xs);
  font-size: 0.85rem;
}

.vocab-builder-item .old {
  color: var(--error-color);
  text-decoration: line-through;
}

.vocab-builder-item .arrow {
  margin: 0 var(--spacing-xs);
  color: var(--primary-teal);
}

.vocab-builder-item .new {
  color: var(--success-color);
  font-weight: 600;
}

.vocab-builder-actions {
  display: flex;
  gap: var(--spacing-xs);
  padding-top: var(--spacing-sm);
  border-top: 1px solid var(--border-color);
}

.vocab-builder-actions button {
  flex: 1;
}

/* Floating Vocabulary Builder Toggle Button */
.vocab-builder-toggle {
  position: fixed;
  bottom: 20px;
  right: 20px;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary-blue), var(--primary-purple));
  border: none;
  color: white;
  font-size: 1.5rem;
  cursor: pointer;
  box-shadow: 0 5px 20px rgba(37, 99, 235, 0.4);
  z-index: 998;
  transition: all var(--transition-speed);
  display: flex;
  align-items: center;
  justify-content: center;
}

.vocab-builder-toggle:hover {
  transform: scale(1.1);
  box-shadow: 0 8px 30px rgba(37, 99, 235, 0.6);
}

.vocab-count-badge {
  position: absolute;
  top: -5px;
  right: -5px;
  background: var(--error-color);
  color: white;
  border-radius: 50%;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 700;
  border: 2px solid var(--bg-color);
}

/* Vocab Builder Demo */
.vocab-builder-demo {
  background: rgba(0, 0, 0, 0.3);
  padding: var(--spacing-lg);
  border-radius: 12px;
  margin: var(--spacing-md) 0;
}

.vocab-row {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  justify-content: center;
}

.vocab-item {
  flex: 1;
  padding: var(--spacing-md);
  border-radius: 8px;
  text-align: center;
}

.vocab-item.craving {
  background: rgba(255, 107, 107, 0.2);
  border: 2px solid var(--error-color);
}

.vocab-item.goal {
  background: rgba(81, 207, 102, 0.2);
  border: 2px solid var(--success-color);
}

.vocab-arrow {
  font-size: 2rem;
  color: var(--primary-teal);
}

/* Responsive Design */
@media (max-width: 1200px) {
  .semantic-learn-container {
    flex-direction: column;
  }
  
  .chapter-nav {
    position: relative;
    top: 0;
    width: 100%;
    margin-bottom: var(--spacing-lg);
  }
  
  .nav-toggle {
    display: block;
  }
  
  
  .chapter-nav.open .chapter-list,
  .chapter-nav.open .achievements-section {
    display: block;
  }
}

@media (max-width: 768px) {
  .progress-dashboard {
    padding: var(--spacing-xs) 0;
  }
  
  .progress-stats {
    gap: var(--spacing-sm);
  }
  
  .stat-value {
    font-size: 1.2rem;
  }
  
  .stat-label {
    font-size: 0.65rem;
  }
  
  .chapter-title-main {
    font-size: 1.8rem;
  }
  
  .feature-grid {
    grid-template-columns: 1fr;
  }
  
  .journey-flow {
    flex-direction: column;
  }
  
  .flow-arrow {
    transform: rotate(90deg);
  }
  
  .comparison-box,
  .drag-drop-area {
    grid-template-columns: 1fr;
  }
  
  .vocab-builder-panel {
    width: calc(100% - 40px);
    right: 20px;
  }
  
  .chapter-navigation {
    flex-direction: column;
  }
  
  .mapper-input {
    flex-direction: column;
  }
  
  .mapper-arrow {
    transform: rotate(90deg);
  }
}

@media (max-width: 480px) {
  .semantic-learn-container {
    padding: var(--spacing-sm);
    margin-top: 100px;
  }
  
  .content-card {
    padding: var(--spacing-md);
  }
  
  .badge-grid {
    grid-template-columns: 1fr;
  }
  
  .vocab-builder-toggle {
    width: 50px;
    height: 50px;
    font-size: 1.2rem;
  }
}

/* Chapter 2 Specific Styles */

/* Emotion Grid */
.emotion-instruction {
  color: var(--text-muted);
  font-style: italic;
  margin-bottom: var(--spacing-md);
}

.emotion-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--spacing-md);
  margin: var(--spacing-lg) 0;
}

.emotion-card {
  grid-column: 1 / -1;
  background: rgba(14, 165, 233, 0.1);
  border: 1px solid var(--logo-vibrant-light-blue);
  border-radius: 12px;
  padding: var(--spacing-lg);
  text-align: left;
  transition: all var(--transition-speed) ease;
  position: relative;
}

.emotion-card:hover {
  background: rgba(14, 165, 233, 0.15);
  border-color: var(--logo-vibrant-light-blue);
}

.emotion-icon {
  font-size: 3rem;
  margin-bottom: var(--spacing-sm);
  color: var(--logo-vibrant-light-blue);
  transition: all var(--transition-speed) ease;
  display: block;
  float: left;
  margin-right: var(--spacing-md);
}

.emotion-icon lottie-player {
  display: block;
}

.emotion-card h4 {
  color: var(--logo-golden-yellow);
  margin-bottom: var(--spacing-xs);
  font-size: 1.2rem;
}

.emotion-summary {
  display: none;
}

.emotion-details {
  margin-top: var(--spacing-md);
  animation: fadeIn 0.3s ease-in-out;
  clear: both;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.emotion-section {
  margin-bottom: var(--spacing-lg);
  padding-bottom: var(--spacing-md);
  border-bottom: 1px solid var(--border-color);
}

.emotion-section:last-child {
  border-bottom: none;
  margin-bottom: 0;
}

.emotion-section h5 {
  color: var(--logo-golden-yellow);
  font-size: 1.1rem;
  margin-bottom: var(--spacing-sm);
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.emotion-section h5::before {
  content: "▸";
  color: var(--logo-vibrant-light-blue);
  font-size: 1.2rem;
}

.emotion-section p {
  color: var(--text-color);
  line-height: 1.7;
  margin-bottom: var(--spacing-sm);
}

.emotion-section ul {
  list-style: none;
  padding-left: 0;
  margin: var(--spacing-sm) 0;
}

.emotion-section li {
  padding: var(--spacing-xs) 0;
  color: var(--text-muted);
  line-height: 1.6;
  position: relative;
  padding-left: var(--spacing-md);
}

.emotion-section li::before {
  content: "•";
  position: absolute;
  left: 0;
  color: var(--logo-vibrant-light-blue);
  font-size: 1.2rem;
}

.emotion-section li strong {
  color: var(--logo-golden-yellow);
}

/* Transformation Examples */
.transformation-examples {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
  margin: var(--spacing-lg) 0;
}

.example-pair {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-md);
  background: rgba(255, 255, 255, 0.02);
  border-radius: 12px;
  border: 1px solid var(--border-color);
}

.before-state,
.after-state {
  flex: 1;
  padding: var(--spacing-md);
  border-radius: 8px;
  text-align: center;
}

.before-state {
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid var(--logo-reddish-orange);
}

.after-state {
  background: rgba(251, 191, 36, 0.1);
  border: 1px solid var(--logo-golden-yellow);
}

.state-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: var(--spacing-xs);
  opacity: 0.7;
}

.state-content {
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--text-color);
}

.transform-arrow {
  font-size: 2rem;
  color: var(--logo-vibrant-light-blue);
  flex-shrink: 0;
}

/* Affirmation Logo and Title */
.affirmation-logo svg {
  animation: logoGlow 3s ease-in-out infinite alternate;
}

@keyframes logoGlow {
  0% { 
    filter: drop-shadow(0 0 5px rgba(251, 191, 36, 0.5)) drop-shadow(0 0 10px rgba(239, 68, 68, 0.3));
  }
  100% { 
    filter: drop-shadow(0 0 15px rgba(251, 191, 36, 0.8)) drop-shadow(0 0 20px rgba(239, 68, 68, 0.6));
  }
}

.affirmation-title {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  font-size: 2rem;
  font-weight: 700;
}

.title-word {
  display: inline-block;
  padding: 0.25rem 0.5rem;
  border-radius: 8px;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.title-word::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left 0.5s ease;
}

.title-word:hover::before {
  left: 100%;
}

.title-word.affirmation {
  background: linear-gradient(135deg, #FBBF24, #F59E0B);
  color: #1E3A8A;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
  animation: colorShift1 4s ease-in-out infinite;
}

.title-word.phrases {
  background: linear-gradient(135deg, #0EA5E9, #0284C7);
  color: white;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
  animation: colorShift2 4s ease-in-out infinite 1s;
}

.title-word.symbols {
  background: linear-gradient(135deg, #EF4444, #DC2626);
  color: white;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
  animation: colorShift3 4s ease-in-out infinite 2s;
}

.title-word.and {
  background: linear-gradient(135deg, #1E3A8A, #1E40AF);
  color: #FBBF24;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
  font-weight: 500;
  animation: colorShift4 4s ease-in-out infinite 3s;
}

.title-word.drawings {
  background: linear-gradient(135deg, #8B5CF6, #7C3AED);
  color: white;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
  position: relative;
  animation: colorShift5 4s ease-in-out infinite 4s;
}

.title-word.drawings::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, #FBBF24, #0EA5E9, #EF4444, #8B5CF6);
  border-radius: 2px;
  animation: underlineGlow 2s ease-in-out infinite;
}

@keyframes underlineGlow {
  0%, 100% { opacity: 0.7; transform: scaleX(1); }
  50% { opacity: 1; transform: scaleX(1.05); }
}

@keyframes colorShift1 {
  0%, 100% { 
    background: linear-gradient(135deg, #FBBF24, #F59E0B);
    transform: translateY(0);
  }
  50% { 
    background: linear-gradient(135deg, #F59E0B, #D97706);
    transform: translateY(-2px);
  }
}

@keyframes colorShift2 {
  0%, 100% { 
    background: linear-gradient(135deg, #0EA5E9, #0284C7);
    transform: translateY(0);
  }
  50% { 
    background: linear-gradient(135deg, #0284C7, #0369A1);
    transform: translateY(-2px);
  }
}

@keyframes colorShift3 {
  0%, 100% { 
    background: linear-gradient(135deg, #EF4444, #DC2626);
    transform: translateY(0);
  }
  50% { 
    background: linear-gradient(135deg, #DC2626, #B91C1C);
    transform: translateY(-2px);
  }
}

@keyframes colorShift4 {
  0%, 100% { 
    background: linear-gradient(135deg, #1E3A8A, #1E40AF);
    transform: translateY(0);
  }
  50% { 
    background: linear-gradient(135deg, #1E40AF, #1D4ED8);
    transform: translateY(-2px);
  }
}

@keyframes colorShift5 {
  0%, 100% { 
    background: linear-gradient(135deg, #8B5CF6, #7C3AED);
    transform: translateY(0);
  }
  50% { 
    background: linear-gradient(135deg, #7C3AED, #6D28D9);
    transform: translateY(-2px);
  }
}

/* Affirmation Examples */
.affirmation-examples {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  margin: var(--spacing-md) 0;
}

.affirmation-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  background: rgba(14, 165, 233, 0.1);
  border-left: 3px solid var(--logo-vibrant-light-blue);
  border-radius: 4px;
}

.affirmation-item i {
  color: var(--logo-golden-yellow);
  font-size: 1.2rem;
  flex-shrink: 0;
}

.affirmation-item span {
  font-style: italic;
  line-height: 1.6;
}

/* Sense Exploration */
.sense-exploration {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-md);
  margin: var(--spacing-lg) 0;
}

.sense-card {
  grid-column: 1 / -1;
  background: rgba(251, 191, 36, 0.1);
  border: 1px solid var(--logo-golden-yellow);
  border-radius: 12px;
  padding: var(--spacing-lg);
  text-align: left;
  transition: all var(--transition-speed) ease;
  position: relative;
}

.sense-card:hover {
  background: rgba(251, 191, 36, 0.15);
  border-color: var(--logo-golden-yellow);
}

.sense-icon {
  font-size: 2.5rem;
  margin-bottom: var(--spacing-sm);
  color: var(--logo-golden-yellow);
  transition: all var(--transition-speed) ease;
  display: block;
  float: left;
  margin-right: var(--spacing-md);
}

.sense-card h4 {
  color: var(--logo-vibrant-light-blue);
  margin-bottom: var(--spacing-xs);
  font-size: 1.2rem;
}

.sense-summary {
  display: none;
}

.sense-details {
  margin-top: var(--spacing-md);
  animation: fadeIn 0.3s ease-in-out;
  clear: both;
}

.sense-section {
  margin-bottom: var(--spacing-lg);
  padding-bottom: var(--spacing-md);
  border-bottom: 1px solid var(--border-color);
}

.sense-section:last-child {
  border-bottom: none;
  margin-bottom: 0;
}

.sense-section h5 {
  color: var(--logo-golden-yellow);
  font-size: 1.1rem;
  margin-bottom: var(--spacing-sm);
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.sense-section h5::before {
  content: "▸";
  color: var(--logo-vibrant-light-blue);
  font-size: 1.2rem;
}

.sense-section p {
  color: var(--text-color);
  line-height: 1.7;
  margin-bottom: var(--spacing-sm);
}

.sense-section ul {
  list-style: none;
  padding-left: 0;
  margin: var(--spacing-sm) 0;
}

.sense-section li {
  padding: var(--spacing-xs) 0;
  color: var(--text-muted);
  line-height: 1.6;
  position: relative;
  padding-left: var(--spacing-md);
}

.sense-section li::before {
  content: "•";
  position: absolute;
  left: 0;
  color: var(--logo-vibrant-light-blue);
  font-size: 1.2rem;
}

.sense-section li strong {
  color: var(--logo-golden-yellow);
}

/* Mantra Examples */
.mantra-examples {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  margin: var(--spacing-lg) 0;
}

.mantra-item {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: var(--spacing-md);
  transition: all var(--transition-speed) ease;
}

.mantra-item:hover {
  background: rgba(251, 191, 36, 0.05);
  border-color: var(--logo-golden-yellow);
}

.mantra-text {
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--logo-golden-yellow);
  margin-bottom: var(--spacing-xs);
  font-style: italic;
}

.mantra-context {
  font-size: 0.9rem;
  color: var(--text-muted);
}

/* Exercise List */
.exercise-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  margin: var(--spacing-lg) 0;
}

.exercise-item {
  display: flex;
  gap: var(--spacing-md);
  padding: var(--spacing-md);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  transition: all var(--transition-speed) ease;
}

.exercise-item:hover {
  background: rgba(14, 165, 233, 0.05);
  border-color: var(--logo-vibrant-light-blue);
}

.exercise-number {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--logo-golden-yellow);
  color: var(--bg-color);
  font-weight: bold;
  font-size: 1.2rem;
  border-radius: 50%;
}

.exercise-content h4 {
  color: var(--logo-vibrant-light-blue);
  margin-bottom: var(--spacing-xs);
}

.exercise-content p {
  color: var(--text-muted);
  line-height: 1.6;
}

/* Responsive adjustments for Chapter 2 */
@media (max-width: 768px) {
  .emotion-grid,
  .sense-exploration {
    grid-template-columns: 1fr;
  }
  
  .example-pair {
    flex-direction: column;
  }
  
  .transform-arrow {
    transform: rotate(90deg);
  }
}

/* Chapter 3 NVC Specific Styles */

/* NVC Components Grid */
.nvc-components {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-md);
  margin: var(--spacing-lg) 0;
}

.nvc-card {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: var(--spacing-lg);
  text-align: center;
  transition: all var(--transition-speed) ease;
  position: relative;
  overflow: hidden;
}

.nvc-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--logo-vibrant-light-blue);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-speed) ease;
}

.nvc-card:hover::before {
  transform: scaleX(1);
}

.nvc-card:hover {
  background: rgba(14, 165, 233, 0.1);
  border-color: var(--logo-vibrant-light-blue);
  transform: translateY(-5px);
}

.nvc-number {
  width: 50px;
  height: 50px;
  background: var(--logo-golden-yellow);
  color: var(--bg-color);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: bold;
  margin: 0 auto var(--spacing-md);
}

.nvc-card h3 {
  color: var(--logo-vibrant-light-blue);
  margin-bottom: var(--spacing-sm);
}

.nvc-detail {
  margin-top: var(--spacing-sm);
  padding-top: var(--spacing-sm);
  border-top: 1px solid var(--border-color);
  font-size: 0.85rem;
  color: var(--text-muted);
}

.nvc-detail strong {
  color: var(--logo-golden-yellow);
}

/* Comparison Examples */
.comparison-examples {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  margin: var(--spacing-lg) 0;
}

.comparison-row {
  display: grid;
  grid-template-columns: auto 1fr auto auto 1fr;
  gap: var(--spacing-sm);
  align-items: center;
  padding: var(--spacing-md);
  background: rgba(255, 255, 255, 0.03);
  border-radius: 8px;
  border: 1px solid var(--border-color);
}

.comparison-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  color: var(--text-muted);
  letter-spacing: 1px;
}

.comparison-text {
  padding: var(--spacing-sm) var(--spacing-md);
  background: rgba(255, 255, 255, 0.05);
  border-radius: 6px;
  font-style: italic;
}

.comparison-arrow {
  color: var(--logo-vibrant-light-blue);
  font-size: 1.5rem;
}

/* Feeling Categories */
.feeling-categories {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-md);
  margin: var(--spacing-lg) 0;
}

.feeling-category {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: var(--spacing-md);
}

.feeling-category h4 {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  margin-bottom: var(--spacing-md);
  color: var(--logo-golden-yellow);
}

.feeling-category h4 i {
  font-size: 1.2rem;
}

.feeling-category ul {
  list-style: none;
  padding: 0;
}

.feeling-category li {
  padding: var(--spacing-xs) 0;
  color: var(--text-muted);
  line-height: 1.6;
}

.feeling-category li em {
  color: var(--logo-vibrant-light-blue);
  font-style: normal;
  font-weight: 500;
}

/* Feelings Spectrum */
.feelings-spectrum {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  margin: var(--spacing-lg) 0;
}

.spectrum-group {
  padding: var(--spacing-md);
  background: rgba(255, 255, 255, 0.03);
  border-left: 3px solid var(--logo-vibrant-light-blue);
  border-radius: 4px;
}

.spectrum-group strong {
  display: block;
  color: var(--logo-golden-yellow);
  margin-bottom: var(--spacing-sm);
}

.spectrum-group span {
  color: var(--text-muted);
  line-height: 1.8;
}

/* Needs Categories */
.needs-categories {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-md);
  margin: var(--spacing-lg) 0;
}

.needs-group {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: var(--spacing-md);
  transition: all var(--transition-speed) ease;
}

.needs-group:hover {
  background: rgba(251, 191, 36, 0.05);
  border-color: var(--logo-golden-yellow);
}

.needs-group h4 {
  color: var(--logo-vibrant-light-blue);
  margin-bottom: var(--spacing-sm);
  font-size: 1.1rem;
}

.needs-group p {
  color: var(--text-muted);
  line-height: 1.7;
  font-size: 0.9rem;
}

/* NVC Pattern Examples */
.nvc-pattern-examples {
  margin-top: var(--spacing-xl);
}

.pattern-example {
  margin-bottom: var(--spacing-lg);
  padding: var(--spacing-md);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color);
  border-radius: 12px;
}

.pattern-situation {
  color: var(--logo-golden-yellow);
  margin-bottom: var(--spacing-md);
  font-size: 1.05rem;
}

.pattern-nvc p {
  padding: var(--spacing-xs) 0;
  color: var(--text-color);
  line-height: 1.7;
}

.pattern-nvc strong {
  color: var(--logo-vibrant-light-blue);
}

/* Comparison Box (Requests vs Demands) */
.comparison-box {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-lg);
  margin: var(--spacing-lg) 0;
}

.comparison-side {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: var(--spacing-lg);
}

.comparison-side h4 {
  color: var(--logo-golden-yellow);
  margin-bottom: var(--spacing-md);
}

.comparison-side ul {
  list-style: none;
  padding: 0;
  margin-bottom: var(--spacing-md);
}

.comparison-side li {
  padding: var(--spacing-xs) 0;
  padding-left: var(--spacing-md);
  position: relative;
  color: var(--text-muted);
  line-height: 1.6;
}

.comparison-side li::before {
  content: "•";
  position: absolute;
  left: 0;
  color: var(--logo-vibrant-light-blue);
}

.comparison-example {
  padding: var(--spacing-sm);
  background: rgba(14, 165, 233, 0.1);
  border-left: 3px solid var(--logo-vibrant-light-blue);
  border-radius: 4px;
  font-style: italic;
}

/* Transformation Patterns */
.transformation-patterns {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-md);
  margin: var(--spacing-lg) 0;
}

.pattern-card {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: var(--spacing-md);
  transition: all var(--transition-speed) ease;
}

.pattern-card:hover {
  background: rgba(14, 165, 233, 0.05);
  border-color: var(--logo-vibrant-light-blue);
  transform: translateY(-3px);
}

.pattern-card h4 {
  color: var(--logo-golden-yellow);
  margin-bottom: var(--spacing-md);
  font-size: 1rem;
}

.pattern-before {
  padding: var(--spacing-sm);
  background: rgba(239, 68, 68, 0.1);
  border-left: 3px solid var(--logo-reddish-orange);
  border-radius: 4px;
  margin-bottom: var(--spacing-sm);
  font-style: italic;
  color: var(--text-color);
}

.pattern-after {
  padding: var(--spacing-sm);
  background: rgba(251, 191, 36, 0.1);
  border-left: 3px solid var(--logo-golden-yellow);
  border-radius: 4px;
  margin-bottom: var(--spacing-sm);
  font-style: italic;
  color: var(--text-color);
}

.pattern-insight {
  font-size: 0.85rem;
  color: var(--text-muted);
  padding-top: var(--spacing-xs);
}

/* Self-Empathy Example */
.self-empathy-example {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
  margin: var(--spacing-lg) 0;
}

.self-talk-section {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: var(--spacing-lg);
}

.self-talk-section h4 {
  color: var(--logo-golden-yellow);
  margin-bottom: var(--spacing-md);
}

.self-talk-text {
  color: var(--logo-reddish-orange);
  font-style: italic;
  line-height: 1.7;
  padding: var(--spacing-sm);
  background: rgba(239, 68, 68, 0.1);
  border-radius: 4px;
}

.self-talk-section p {
  padding: var(--spacing-xs) 0;
  color: var(--text-color);
  line-height: 1.7;
}

.self-talk-section strong {
  color: var(--logo-vibrant-light-blue);
}

/* Practice Steps */
.practice-steps {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  margin: var(--spacing-lg) 0;
}

.practice-step {
  display: flex;
  gap: var(--spacing-md);
  padding: var(--spacing-md);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  transition: all var(--transition-speed) ease;
}

.practice-step:hover {
  background: rgba(14, 165, 233, 0.05);
  border-color: var(--logo-vibrant-light-blue);
}

.step-number {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  background: var(--logo-vibrant-light-blue);
  color: var(--bg-color);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
  font-size: 1.2rem;
}

.step-content h4 {
  color: var(--logo-golden-yellow);
  margin-bottom: var(--spacing-xs);
}

.step-content p {
  color: var(--text-muted);
  line-height: 1.6;
}

/* Responsive adjustments for Chapter 3 */
@media (max-width: 768px) {
  .nvc-components {
    grid-template-columns: 1fr;
  }
  
  .comparison-row {
    grid-template-columns: 1fr;
    gap: var(--spacing-xs);
  }
  
  .comparison-arrow {
    transform: rotate(90deg);
  }
  
  .feeling-categories,
  .needs-categories,
  .transformation-patterns {
    grid-template-columns: 1fr;
  }
  
  .comparison-box {
    grid-template-columns: 1fr;
  }
}

/* Neuroplasticity Table Styles */
.table-responsive {
  width: 100%;
  overflow-x: auto;
  margin: var(--spacing-lg) 0;
}

.neuro-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--card-bg);
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.neuro-table thead {
  background: linear-gradient(135deg, var(--logo-red), var(--logo-golden-yellow));
}

.neuro-table thead th {
  color: white;
  padding: var(--spacing-md);
  text-align: left;
  font-weight: 600;
  font-size: 0.95rem;
}

.neuro-table tbody tr {
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  transition: background-color 0.3s ease;
}

.neuro-table tbody tr:hover {
  background-color: rgba(251, 191, 36, 0.05);
}

.neuro-table tbody tr:last-child {
  border-bottom: none;
}

.neuro-table td {
  padding: var(--spacing-md);
  color: var(--text-light);
  line-height: 1.6;
}

.neuro-table td strong {
  color: var(--logo-golden-yellow);
  display: block;
  margin-bottom: 0.25rem;
}

@media (max-width: 768px) {
  .neuro-table {
    font-size: 0.9rem;
  }
  
  .neuro-table thead th,
  .neuro-table td {
    padding: var(--spacing-sm);
  }
  
  .neuro-table thead th {
    font-size: 0.85rem;
  }
}

/* Print Styles */
@media print {
  .progress-dashboard,
  .chapter-nav,
  .vocab-builder-panel,
  .vocab-builder-toggle,
  .game-container,
  .chapter-navigation {
    display: none !important;
  }
  
  .semantic-learn-container {
    margin-top: 0;
  }
  
  .chapter {
    display: block !important;
    page-break-before: always;
  }
}