/* Learn Page Styles */
/* Extracted from learn.js inline styles - Sept 29, 2025 */

.flywheel-banner {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4);
  background: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 100%);
  border-radius: var(--radius-lg);
  color: white;
  margin-top: var(--space-4);
}

.banner-icon {
  font-size: 24px;
}

.banner-title {
  font-weight: var(--font-semibold);
  margin-bottom: var(--space-1);
}

.banner-text {
  opacity: 0.9;
  font-size: var(--text-sm);
}

.priority-card {
  border-left: 4px solid var(--primary);
}

.recommendations-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.recommendation-card {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-4);
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: all 0.2s ease;
}

.recommendation-card:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-md);
}

.recommendation-card.critical {
  border-left: 4px solid #ef4444;
}

.recommendation-card.high {
  border-left: 4px solid #f97316;
}

.recommendation-card.medium {
  border-left: 4px solid #eab308;
}

.rec-priority {
  font-size: var(--text-xs);
  font-weight: var(--font-bold);
  color: var(--text-secondary);
  writing-mode: vertical-lr;
  text-orientation: mixed;
}

.rec-content {
  flex: 1;
}

.rec-title {
  font-weight: var(--font-semibold);
  margin-bottom: var(--space-1);
}

.rec-reason {
  color: var(--text-secondary);
  font-size: var(--text-sm);
  margin-bottom: var(--space-1);
}

.rec-impact {
  font-size: var(--text-xs);
  color: var(--success);
  font-weight: var(--font-medium);
}

.progress-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: var(--space-6);
}

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

.lessons-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.lesson-card {
  padding: var(--space-6);
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: all 0.2s ease;
}

.lesson-card:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-md);
}

.lesson-card.recommended-highlight {
  border-color: var(--primary);
  box-shadow: 0 0 20px rgba(59, 130, 246, 0.3);
  animation: highlight-pulse 2s ease-in-out infinite;
}

@keyframes highlight-pulse {
  0%, 100% { box-shadow: 0 0 20px rgba(59, 130, 246, 0.3); }
  50% { box-shadow: 0 0 30px rgba(59, 130, 246, 0.5); }
}

.lesson-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: var(--space-3);
}

.lesson-title {
  font-weight: var(--font-semibold);
  font-size: 1rem;
  flex: 1;
  display: flex;
  align-items: center;
}

.lesson-meta {
  display: flex;
  gap: var(--space-2);
  font-size: var(--text-sm);
}

.difficulty {
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius);
  font-weight: var(--font-medium);
}

.difficulty.beginner {
  background: #dcfce7;
  color: #166534;
}

.difficulty.intermediate {
  background: #fef3c7;
  color: #92400e;
}

.difficulty.advanced {
  background: #fee2e2;
  color: #991b1b;
}

.duration {
  color: var(--text-secondary);
}

.lesson-description {
  color: var(--text-secondary);
  margin-bottom: var(--space-4);
  line-height: 1.5;
}

.lesson-actions {
  display: flex;
  gap: var(--space-3);
}

.recommendation-tooltip {
  position: absolute;
  top: -60px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--bg-tooltip);
  color: white;
  padding: var(--space-3);
  border-radius: var(--radius);
  font-size: var(--text-sm);
  white-space: nowrap;
  z-index: 1000;
  animation: tooltip-fade-in 0.3s ease;
}

.recommendation-tooltip::after {
  content: '';
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 0;
  border-left: 6px solid transparent;
  border-right: 6px solid transparent;
  border-top: 6px solid var(--bg-tooltip);
}

@keyframes tooltip-fade-in {
  from { opacity: 0; transform: translateX(-50%) translateY(-10px); }
  to { opacity: 1; transform: translateX(-50%) translateY(0); }
}

/* Duolingo-Style Progress Dashboard */
.duolingo-dashboard {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 2rem;
  padding: 1.5rem;
  background: linear-gradient(135deg, var(--color-bg-secondary) 0%, var(--color-bg-card) 100%);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
}

.level-section {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.level-circle {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent, #8b5cf6) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}

.level-number {
  font-size: 1.5rem;
  font-weight: 700;
  color: white;
}

.level-info {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.level-title {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-text-primary);
}

.xp-progress {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.xp-bar {
  width: 200px;
  height: 8px;
  background: var(--color-bg-tertiary, rgba(255, 255, 255, 0.1));
  border-radius: 4px;
  overflow: hidden;
}

.xp-fill {
  height: 100%;
  background: linear-gradient(90deg, #10b981 0%, #34d399 100%);
  border-radius: 4px;
  transition: width 0.3s ease;
}

.xp-text {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  font-weight: 500;
}

.streak-section {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  padding: 1rem;
  background: var(--color-bg-card);
  border-radius: var(--radius-md);
  border: 2px solid #f59e0b;
}

.streak-flame {
  font-size: 2rem;
  animation: flame-flicker 1.5s ease-in-out infinite alternate;
}

@keyframes flame-flicker {
  0% { transform: scale(1) rotate(-1deg); }
  100% { transform: scale(1.1) rotate(1deg); }
}

.streak-number {
  font-size: 1.5rem;
  font-weight: 700;
  color: #f59e0b;
}

.streak-label {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  font-weight: 500;
}

.achievements-section {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.achievements-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text-primary);
}

.achievements-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.5rem;
}

.achievement {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  cursor: pointer;
  transition: all 0.2s ease;
}

.achievement.unlocked {
  background: linear-gradient(135deg, #fbbf24 0%, #f59e0b 100%);
  box-shadow: 0 2px 8px rgba(251, 191, 36, 0.4);
}

.achievement.unlocked:hover {
  transform: scale(1.1);
  box-shadow: 0 4px 12px rgba(251, 191, 36, 0.6);
}

.achievement.locked {
  background: var(--color-bg-tertiary, rgba(255, 255, 255, 0.1));
  opacity: 0.5;
}

/* Responsive Design */
@media (max-width: 768px) {
  .progress-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .lesson-header {
    flex-direction: column;
    gap: var(--space-2);
  }

  .lesson-actions {
    flex-direction: column;
  }

  .duolingo-dashboard {
    grid-template-columns: 1fr;
    gap: 1.5rem;
    text-align: center;
  }

  .level-section {
    justify-content: center;
  }

  .xp-bar {
    width: 150px;
  }

  .achievements-grid {
    justify-content: center;
  }
}