/* Shared styles for HTML demos */
:root {
  --primary-color: #3498db;
  --secondary-color: #2c3e50;
  --success-color: #27ae60;
  --danger-color: #e74c3c;
  --warning-color: #f39c12;
  --light-bg: #ecf0f1;
  --white: #ffffff;
  --text-color: #333;
  --border-radius: 4px;
}

* {
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Arial, sans-serif;
  line-height: 1.6;
  color: var(--text-color);
  margin: 0;
  padding: 20px;
  background-color: #f5f5f5;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
}

.back-link {
  display: inline-block;
  margin-bottom: 1rem;
  color: var(--primary-color);
  text-decoration: none;
}

.back-link:hover {
  text-decoration: underline;
}

.demo-section {
  background: var(--white);
  padding: 2rem;
  margin-bottom: 2rem;
  border-radius: 8px;
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.code-preview {
  background-color: var(--secondary-color);
  color: #ecf0f1;
  padding: 1rem;
  border-radius: var(--border-radius);
  font-family: 'Courier New', monospace;
  font-size: 0.9rem;
  overflow-x: auto;
  margin: 1rem 0;
}

.explanation {
  background-color: #fffacd;
  border: 2px dashed var(--warning-color);
  padding: 1rem;
  margin: 1rem 0;
  border-radius: var(--border-radius);
}