/* Styles pour le système de progression */

/* Panneau de progression */
.progress-overview {
  padding: 1rem 0;
}

.progress-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 1rem;
  margin-bottom: 2rem;
}

.stat-item {
  text-align: center;
  padding: 1rem;
  background-color: var(--secondary-color);
  border-radius: var(--border-radius);
  border: 1px solid var(--border-color);
}

.stat-value {
  display: block;
  font-size: 2rem;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 0.5rem;
}

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

/* Graphique de progression */
.progress-chart {
  margin: 2rem 0;
  height: 300px;
  position: relative;
}

.progress-chart canvas {
  max-height: 100%;
}

/* Progression par chapitre */
.chapter-progress {
  margin-top: 2rem;
}

.chapter-progress h4 {
  margin-bottom: 1rem;
  color: var(--text-color);
  font-weight: 600;
}

.chapter-progress-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.chapter-progress-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem;
  background-color: var(--secondary-color);
  border-radius: var(--border-radius);
  border: 1px solid var(--border-color);
}

.chapter-info {
  flex: 1;
  min-width: 0;
}

.chapter-info h5 {
  margin: 0 0 0.25rem 0;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-color);
}

.chapter-stats {
  font-size: 0.875rem;
  color: var(--text-muted);
}

.chapter-progress-bar {
  flex: 1;
  height: 8px;
  background-color: var(--border-color);
  border-radius: 4px;
  overflow: hidden;
  min-width: 100px;
}

.chapter-progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--primary-color) 0%, var(--primary-light) 100%);
  border-radius: 4px;
  transition: width 0.3s ease;
}

.chapter-percentage {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--primary-color);
  min-width: 40px;
  text-align: right;
}

/* Styles pour les chapitres dans la sidebar */
.chapter-info {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex: 1;
}

.chapter-info i {
  font-size: 1.25rem;
  color: var(--primary-color);
  width: 20px;
  text-align: center;
}

.chapter-details {
  flex: 1;
  min-width: 0;
}

.chapter-title {
  display: block;
  font-weight: 600;
  color: var(--text-color);
  margin-bottom: 0.25rem;
}

.chapter-description {
  display: block;
  font-size: 0.75rem;
  color: var(--text-muted);
  line-height: 1.3;
}

.chapter-toggle {
  font-size: 0.75rem;
  color: var(--text-muted);
  transition: var(--transition);
}

.chapter-header.active .chapter-toggle {
  transform: rotate(180deg);
}

/* États des pages */
.page-status {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background-color: var(--border-color);
  margin-left: auto;
  transition: var(--transition);
}

.page-link.completed .page-status {
  background-color: var(--success-color);
  position: relative;
}

.page-link.completed .page-status::after {
  content: '✓';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  color: white;
  font-size: 0.6rem;
  line-height: 1;
}

.page-link.active .page-status {
  background-color: var(--primary-color);
}

/* Modal de bienvenue */
.welcome-content {
  text-align: center;
}

.welcome-hero {
  margin-bottom: 2rem;
}

.welcome-logo {
  width: 80px;
  height: 80px;
  margin-bottom: 1rem;
  border-radius: 50%;
  background-color: var(--primary-color);
  padding: 1rem;
}

.welcome-hero h3 {
  color: var(--primary-color);
  margin-bottom: 1rem;
}

.welcome-hero p {
  color: var(--text-muted);
  font-size: 1.1rem;
  line-height: 1.6;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}

.feature-item {
  text-align: center;
  padding: 1.5rem;
  background-color: var(--secondary-color);
  border-radius: var(--border-radius);
  border: 1px solid var(--border-color);
  transition: var(--transition);
}

.feature-item:hover {
  transform: translateY(-2px);
  box-shadow: var(--box-shadow);
}

.feature-item i {
  font-size: 2rem;
  color: var(--primary-color);
  margin-bottom: 1rem;
}

.feature-item h4 {
  margin-bottom: 0.5rem;
  color: var(--text-color);
  font-weight: 600;
}

.feature-item p {
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.4;
}

/* Certificat */
.certificate {
  max-width: 800px;
  margin: 0 auto;
  background: linear-gradient(135deg, #fff 0%, #f8f9fa 100%);
  border: 3px solid var(--primary-color);
  border-radius: var(--border-radius-lg);
  padding: 3rem;
  box-shadow: var(--box-shadow-lg);
}

.certificate-header {
  text-align: center;
  margin-bottom: 3rem;
  border-bottom: 2px solid var(--primary-color);
  padding-bottom: 2rem;
}

.certificate-header h1 {
  color: var(--primary-color);
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  text-transform: uppercase;
  letter-spacing: 2px;
}

.certificate-header h2 {
  color: var(--text-muted);
  font-size: 1.5rem;
  font-weight: 400;
  margin: 0;
}

.certificate-body {
  text-align: center;
  margin: 2rem 0;
}

.certificate-body h3 {
  color: var(--primary-color);
  font-size: 2rem;
  margin: 1rem 0;
  font-weight: 600;
}

.certificate-details {
  margin: 2rem 0;
  text-align: left;
  background-color: var(--secondary-color);
  padding: 1.5rem;
  border-radius: var(--border-radius);
}

.detail-item {
  margin: 1rem 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--border-color);
}

.detail-item:last-child {
  border-bottom: none;
}

.detail-item strong {
  color: var(--text-color);
  font-weight: 600;
}

.certificate-footer {
  text-align: center;
  font-style: italic;
  color: var(--text-muted);
  margin-top: 2rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border-color);
}

/* Mode sombre */
body.dark-mode .stat-item {
  background-color: #343a40;
  border-color: #495057;
}

body.dark-mode .chapter-progress-item {
  background-color: #343a40;
  border-color: #495057;
}

body.dark-mode .feature-item {
  background-color: #343a40;
  border-color: #495057;
}

body.dark-mode .certificate {
  background: linear-gradient(135deg, #2c3034 0%, #343a40 100%);
  color: var(--text-color);
}

body.dark-mode .certificate-details {
  background-color: #343a40;
  border-color: #495057;
}

/* Responsive */
@media (max-width: 768px) {
  .progress-stats {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .stat-value {
    font-size: 1.5rem;
  }
  
  .chapter-progress-item {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
  }
  
  .chapter-progress-bar {
    width: 100%;
  }
  
  .features-grid {
    grid-template-columns: 1fr;
  }
  
  .certificate {
    padding: 1.5rem;
  }
  
  .certificate-header h1 {
    font-size: 2rem;
  }
  
  .certificate-header h2 {
    font-size: 1.25rem;
  }
}

@media (max-width: 480px) {
  .progress-stats {
    grid-template-columns: 1fr;
  }
  
  .stat-value {
    font-size: 1.25rem;
  }
  
  .certificate {
    padding: 1rem;
  }
  
  .certificate-header h1 {
    font-size: 1.5rem;
  }
}