.tutorials-view {
  padding: 2rem;
}

.section-description {
  color: #94a3b8;
  margin-bottom: 1.5rem;
  line-height: 1.6;
}

.difficulty-filters {
  display: flex;
  gap: 0.5rem;
  align-items: center;
  margin-bottom: 1.5rem;
}

.filter-label {
  color: #cbd5e1;
  font-size: 0.9rem;
  margin-right: 0.5rem;
}

.filter-btn {
  padding: 0.5rem 1rem;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 6px;
  color: #e2e8f0;
  cursor: pointer;
  transition: all 0.2s;
  font-size: 0.9rem;
}

.filter-btn:hover {
  background: rgba(255, 255, 255, 0.1);
}

.filter-btn.active {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  border-color: transparent;
}

.notebooks-section, .examples-section, .quick-start-section, .topics-section, .resources-section {
  margin-top: 3rem;
}

.notebooks-section h2, .examples-section h2, .quick-start-section h2, .topics-section h2, .resources-section h2 {
  color: #e2e8f0;
  margin-bottom: 1rem;
}

.notebooks-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: 1.5rem;
}

.notebook-card {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 8px;
  padding: 1.5rem;
  transition: all 0.2s;
}

.notebook-card:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.2);
  transform: translateY(-2px);
}

.notebook-header {
  display: flex;
  justify-content: space-between;
  align-items: start;
  margin-bottom: 1rem;
}

.notebook-header h3 {
  margin: 0;
  color: #e2e8f0;
  font-size: 1.1rem;
  flex: 1;
}

.difficulty-badge {
  font-size: 0.75rem;
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
  white-space: nowrap;
  font-weight: 500;
}

.difficulty-badge.beginner {
  background: rgba(34, 197, 94, 0.2);
  color: #4ade80;
}

.difficulty-badge.intermediate {
  background: rgba(251, 191, 36, 0.2);
  color: #fbbf24;
}

.difficulty-badge.advanced {
  background: rgba(239, 68, 68, 0.2);
  color: #f87171;
}

.notebook-description {
  color: #94a3b8;
  line-height: 1.5;
  margin-bottom: 1rem;
}

.notebook-topics {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.topic-tag {
  background: rgba(102, 126, 234, 0.2);
  color: #a5b4fc;
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
  font-size: 0.85rem;
}

.notebook-actions {
  display: flex;
  gap: 0.5rem;
}

.action-btn {
  flex: 1;
  padding: 0.5rem;
  border: none;
  border-radius: 6px;
  text-decoration: none;
  text-align: center;
  cursor: pointer;
  transition: all 0.2s;
  font-size: 0.85rem;
  display: block;
}

.action-btn.primary {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
}

.action-btn.primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(102, 126, 234, 0.4);
}

.action-btn.secondary {
  background: rgba(255, 255, 255, 0.05);
  color: #e2e8f0;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.action-btn.secondary:hover {
  background: rgba(255, 255, 255, 0.1);
}

.examples-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1rem;
}

.example-card {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 8px;
  padding: 1.5rem;
  transition: all 0.2s;
}

.example-card:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.2);
}

.example-card h3 {
  color: #e2e8f0;
  margin: 0 0 0.75rem 0;
  font-size: 1rem;
}

.example-card p {
  color: #94a3b8;
  line-height: 1.5;
  margin-bottom: 1rem;
}

.file-path {
  display: block;
  background: rgba(0, 0, 0, 0.3);
  color: #a5b4fc;
  padding: 0.5rem;
  border-radius: 4px;
  font-family: 'Courier New', monospace;
  font-size: 0.85rem;
  margin-bottom: 0.75rem;
}

.view-code-link {
  color: #667eea;
  text-decoration: none;
  font-size: 0.9rem;
  transition: color 0.2s;
}

.view-code-link:hover {
  color: #a5b4fc;
}

.quick-start-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
}

.step-card {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 8px;
  padding: 1.5rem;
  position: relative;
}

.step-number {
  position: absolute;
  top: -15px;
  left: 20px;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
}

.step-card h3 {
  color: #e2e8f0;
  margin: 0.5rem 0 1rem 0;
  font-size: 1rem;
}

.step-card pre {
  background: rgba(0, 0, 0, 0.3);
  border-radius: 6px;
  padding: 0.75rem;
  margin: 0;
  overflow-x: auto;
}

.step-card code {
  color: #a5b4fc;
  font-family: 'Courier New', monospace;
  font-size: 0.85rem;
}

.topics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1rem;
}

.topic-card {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 8px;
  padding: 1.5rem;
}

.topic-card h3 {
  color: #e2e8f0;
  margin: 0 0 1rem 0;
  font-size: 1rem;
}

.topic-card ul {
  color: #94a3b8;
  line-height: 1.8;
  padding-left: 1.5rem;
  margin: 0;
}

.resources-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
}

.resource-link {
  display: block;
  padding: 1rem 1.5rem;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 8px;
  color: #e2e8f0;
  text-decoration: none;
  transition: all 0.2s;
  text-align: center;
}

.resource-link:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(102, 126, 234, 0.5);
  transform: translateY(-2px);
  color: #a5b4fc;
}
