/* ============================================
   THE HUMAN BRAIN ATLAS - MEMORY LAB STYLES
   ============================================ */

/* Memory Types Grid */
.memory-types-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.memory-type-card {
  background: var(--color-bg-card);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  text-align: center;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.memory-type-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-memory);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.memory-type-card:hover {
  border-color: rgba(168, 85, 247, 0.3);
  transform: translateY(-8px);
}

.memory-type-card:hover::before {
  opacity: 0.05;
}

.memory-type-icon {
  width: 70px;
  height: 70px;
  background: var(--gradient-memory);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-3xl);
  margin: 0 auto var(--space-6);
  position: relative;
  z-index: 1;
}

.memory-type-title {
  font-size: var(--text-xl);
  margin-bottom: var(--space-2);
  position: relative;
  z-index: 1;
}

.memory-type-duration {
  display: inline-block;
  font-size: var(--text-xs);
  color: var(--color-accent-purple);
  font-family: var(--font-mono);
  padding: var(--space-1) var(--space-3);
  background: rgba(168, 85, 247, 0.1);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-4);
  position: relative;
  z-index: 1;
}

.memory-type-description {
  color: var(--color-text-secondary);
  font-size: var(--text-sm);
  line-height: 1.7;
  margin-bottom: var(--space-6);
  position: relative;
  z-index: 1;
}

.memory-type-capacity {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--space-4);
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  position: relative;
  z-index: 1;
}

.capacity-label {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.capacity-value {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-accent-purple);
  font-family: var(--font-mono);
}

/* Memory Process Flow */
.memory-process-flow {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.process-step {
  flex: 1;
  min-width: 280px;
  max-width: 350px;
  background: var(--color-bg-card);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  position: relative;
  transition: all var(--transition-base);
}

.process-step:hover {
  border-color: rgba(168, 85, 247, 0.3);
  transform: translateY(-4px);
}

.process-step-number {
  position: absolute;
  top: -15px;
  left: var(--space-6);
  width: 40px;
  height: 40px;
  background: var(--gradient-memory);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: var(--text-lg);
}

.process-step-content {
  padding-top: var(--space-4);
}

.process-step-icon {
  width: 60px;
  height: 60px;
  background: rgba(168, 85, 247, 0.1);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-2xl);
  color: var(--color-accent-purple);
  margin-bottom: var(--space-4);
}

.process-step-title {
  font-size: var(--text-xl);
  margin-bottom: var(--space-3);
}

.process-step-description {
  color: var(--color-text-secondary);
  font-size: var(--text-sm);
  line-height: 1.7;
}

.process-arrow {
  font-size: var(--text-2xl);
  color: var(--color-accent-purple);
  opacity: 0.5;
}

/* Memory Test Game */
.memory-test-container {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: var(--space-8);
}

.memory-test-game {
  background: var(--color-bg-card);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
}

.game-header {
  margin-bottom: var(--space-6);
}

.game-stats {
  display: flex;
  gap: var(--space-8);
}

.game-stat {
  text-align: center;
}

.game-stat .stat-label {
  display: block;
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-1);
}

.game-stat .stat-value {
  display: block;
  font-size: var(--text-3xl);
  font-weight: 800;
  font-family: var(--font-mono);
  color: var(--color-accent-purple);
}

.game-board {
  position: relative;
  min-height: 350px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg-secondary);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-6);
}

.game-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
  padding: var(--space-6);
}

.game-cell {
  width: 80px;
  height: 80px;
  background: var(--color-bg-tertiary);
  border: 2px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
}

.game-cell:hover {
  border-color: rgba(168, 85, 247, 0.5);
  transform: scale(1.05);
}

.game-cell.active {
  background: var(--gradient-memory);
  border-color: var(--color-accent-purple);
  box-shadow: var(--glow-purple);
}

.game-cell.correct {
  background: rgba(16, 185, 129, 0.3);
  border-color: var(--color-accent-green);
}

.game-cell.wrong {
  background: rgba(239, 68, 68, 0.3);
  border-color: var(--color-accent-red);
}

.game-cell.disabled {
  pointer-events: none;
  opacity: 0.5;
}

.game-message {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(10, 10, 15, 0.9);
  border-radius: var(--radius-lg);
  text-align: center;
  padding: var(--space-6);
}

.game-message p {
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
}

.game-message.hidden {
  display: none;
}

.game-controls {
  display: flex;
  gap: var(--space-4);
  justify-content: center;
}

.memory-test-info {
  background: var(--color-bg-card);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
}

.memory-test-info h3 {
  font-size: var(--text-xl);
  margin-bottom: var(--space-4);
}

.memory-test-info ol {
  margin-bottom: var(--space-6);
  padding-left: var(--space-5);
}

.memory-test-info li {
  color: var(--color-text-secondary);
  font-size: var(--text-sm);
  margin-bottom: var(--space-2);
  line-height: 1.6;
}

.memory-facts {
  background: rgba(168, 85, 247, 0.1);
  border: 1px solid rgba(168, 85, 247, 0.2);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
}

.memory-facts h4 {
  font-size: var(--text-sm);
  color: var(--color-accent-purple);
  margin-bottom: var(--space-2);
}

.memory-facts p {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: 1.6;
}

/* Long-Term Memory Grid */
.ltm-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-8);
}

.ltm-category {
  background: var(--color-bg-card);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-xl);
  overflow: hidden;
}

.ltm-header {
  padding: var(--space-8);
  text-align: center;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.ltm-icon {
  width: 70px;
  height: 70px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-3xl);
  margin: 0 auto var(--space-4);
}

.ltm-icon.explicit {
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.2), rgba(0, 212, 255, 0.2));
  color: var(--color-accent-blue);
}

.ltm-icon.implicit {
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.2), rgba(0, 212, 255, 0.2));
  color: var(--color-accent-green);
}

.ltm-title {
  font-size: var(--text-xl);
  margin-bottom: var(--space-2);
}

.ltm-subtitle {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
}

.ltm-types {
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.ltm-type-card {
  background: var(--color-bg-secondary);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  transition: all var(--transition-base);
}

.ltm-type-card:hover {
  border-color: rgba(168, 85, 247, 0.3);
}

.ltm-type-card h4 {
  font-size: var(--text-base);
  margin-bottom: var(--space-2);
}

.ltm-type-card p {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-2);
}

.ltm-example {
  font-size: var(--text-xs);
  color: var(--color-accent-purple);
  font-style: italic;
}

/* Forgetting Curve */
.forgetting-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
}

.forgetting-content {
  max-width: 500px;
}

.retention-tips {
  margin-top: var(--space-8);
  background: var(--color-bg-card);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
}

.retention-tips h4 {
  font-size: var(--text-lg);
  margin-bottom: var(--space-4);
}

.retention-tips ul {
  list-style: none;
}

.retention-tips li {
  display: flex;
  gap: var(--space-3);
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-3);
  line-height: 1.6;
}

.retention-tips li i {
  color: var(--color-accent-purple);
  margin-top: 4px;
}

.forgetting-visual {
  display: flex;
  justify-content: center;
}

.curve-container {
  background: var(--color-bg-card);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  position: relative;
  width: 100%;
}

#forgetting-curve {
  width: 100%;
  height: 250px;
}

.curve-labels {
  position: absolute;
  inset: var(--space-6);
  pointer-events: none;
}

.curve-label {
  position: absolute;
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  font-family: var(--font-mono);
}

.curve-label.y-label {
  left: 0;
  top: 50%;
  transform: rotate(-90deg) translateX(-50%);
  transform-origin: left center;
}

.curve-label.x-label {
  bottom: 0;
  right: var(--space-6);
}

/* Memory Palace */
.palace-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
}

.palace-visual {
  display: flex;
  justify-content: center;
}

.memory-palace {
  position: relative;
  width: 300px;
  height: 400px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  align-items: center;
}

.palace-room {
  width: 120px;
  height: 60px;
  background: var(--color-bg-card);
  border: 2px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-1);
  cursor: pointer;
  transition: all var(--transition-base);
  z-index: 2;
}

.palace-room:hover,
.palace-room.active {
  background: rgba(168, 85, 247, 0.2);
  border-color: var(--color-accent-purple);
  box-shadow: var(--glow-purple);
}

.palace-room i {
  font-size: var(--text-xl);
  color: var(--color-accent-purple);
}

.palace-room span {
  font-size: var(--text-xs);
  color: var(--color-text-secondary);
}

.palace-connections {
  position: absolute;
  inset: 30px 0;
  display: flex;
  flex-direction: column;
  justify-content: space-around;
  align-items: center;
  z-index: 1;
}

.connection-line {
  width: 2px;
  height: 60px;
  background: linear-gradient(180deg, var(--color-accent-purple), transparent);
  opacity: 0.5;
}

.palace-content {
  max-width: 500px;
}

.palace-steps {
  margin-top: var(--space-8);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.palace-step {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.palace-step .step-number {
  width: 36px;
  height: 36px;
  background: var(--gradient-memory);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: var(--text-sm);
  flex-shrink: 0;
}

.palace-step p {
  color: var(--color-text-secondary);
  font-size: var(--text-sm);
}

/* CTA Section */
.section-cta {
  background: var(--color-bg-secondary);
  text-align: center;
}

.cta-content {
  max-width: 700px;
  margin: 0 auto;
}

.cta-title {
  font-size: clamp(var(--text-3xl), 5vw, var(--text-5xl));
  margin-bottom: var(--space-6);
}

.cta-description {
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-8);
}

.cta-buttons {
  display: flex;
  gap: var(--space-4);
  justify-content: center;
  flex-wrap: wrap;
}

.btn-large {
  padding: var(--space-4) var(--space-8);
  font-size: var(--text-base);
}

/* Responsive */
@media (max-width: 1024px) {
  .memory-types-grid {
    grid-template-columns: 1fr;
  }
  
  .memory-process-flow {
    flex-direction: column;
  }
  
  .process-arrow {
    transform: rotate(90deg);
  }
  
  .memory-test-container {
    grid-template-columns: 1fr;
  }
  
  .ltm-grid {
    grid-template-columns: 1fr;
  }
  
  .forgetting-layout,
  .palace-layout {
    grid-template-columns: 1fr;
    gap: var(--space-10);
  }
  
  .forgetting-content,
  .palace-content {
    max-width: 100%;
  }
}

@media (max-width: 640px) {
  .game-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .game-cell {
    width: 60px;
    height: 60px;
  }
  
  .memory-palace {
    width: 250px;
    height: 350px;
  }
  
  .cta-buttons {
    flex-direction: column;
    align-items: center;
  }
  
  .cta-buttons .btn {
    width: 100%;
    max-width: 280px;
  }
}