.css-variables-story {
  display: flex;
  flex-direction: column;
  height: 100vh;
  font-family: system-ui, -apple-system, sans-serif;
}

.controls {
  padding: 16px;
  background: #f5f5f5;
  border-bottom: 1px solid #ddd;
  display: flex;
  gap: 24px;
  align-items: flex-start;
  flex-wrap: wrap;
}

.control-group {
  display: flex;
  align-items: center;
  gap: 8px;
}

.control-group label {
  font-weight: 500;
}

.control-group select {
  padding: 4px 8px;
  border: 1px solid #ccc;
  border-radius: 4px;
}

.info {
  flex: 1;
  min-width: 300px;
}

.info h3 {
  margin: 0 0 8px 0;
  color: #333;
}

.info p {
  margin: 0 0 8px 0;
  color: #666;
  font-size: 14px;
}

.info ul {
  margin: 0;
  padding-left: 20px;
  font-size: 14px;
  color: #666;
}

.info code {
  background: #e8e8e8;
  padding: 2px 4px;
  border-radius: 3px;
  font-family: "Monaco", "Menlo", monospace;
  font-size: 12px;
}

.css-controls {
  margin-top: 12px;
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.css-controls button {
  padding: 6px 12px;
  border: 1px solid #007acc;
  background: #007acc;
  color: white;
  border-radius: 4px;
  cursor: pointer;
  font-size: 12px;
  transition: background-color 0.2s;
}

.css-controls button:hover {
  background: #005a99;
}

.css-controls button:last-child {
  background: #dc3545;
  border-color: #dc3545;
}

.css-controls button:last-child:hover {
  background: #c82333;
}

.graph-container {
  flex: 1;
  position: relative;
  overflow: hidden;
}

/* Light theme CSS variables */
.graph-theme-light {
  --graph-canvas-background: #ffffff;
  --graph-canvas-below-background: #f8f9fa;
  --graph-canvas-dots: #e9ecef;
  --graph-canvas-border: #dee2e6;
  
  --graph-block-background: #ffffff;
  --graph-block-border: #dee2e6;
  --graph-block-text: #212529;
  --graph-block-selected-border: #007bff;
  
  --graph-connection-background: #6c757d;
  --graph-connection-selected-background: #007bff;
  
  --graph-anchor-background: #6c757d;
  --graph-anchor-selected-border: #007bff;
}

/* Dark theme CSS variables */
.graph-theme-dark {
  --graph-canvas-background: #1a1a1a;
  --graph-canvas-below-background: #2d2d2d;
  --graph-canvas-dots: #404040;
  --graph-canvas-border: #555555;
  
  --graph-block-background: #2d2d2d;
  --graph-block-border: #555555;
  --graph-block-text: #ffffff;
  --graph-block-selected-border: #ffc107;
  
  --graph-connection-background: #ffffff;
  --graph-connection-selected-background: #ffc107;
  
  --graph-anchor-background: #ffffff;
  --graph-anchor-selected-border: #ffc107;
}

/* Custom theme CSS variables */
.graph-theme-custom {
  --graph-canvas-background: #fef7e0;
  --graph-canvas-below-background: #fdf2d9;
  --graph-canvas-dots: #f4e4bc;
  --graph-canvas-border: #e8d5a3;
  
  --graph-block-background: #ff9a8b;
  --graph-block-border: #ff6b6b;
  --graph-block-text: #ffffff;
  --graph-block-selected-border: #a8e6cf;
  
  --graph-connection-background: #4ecdc4;
  --graph-connection-selected-background: #a8e6cf;
  
  --graph-anchor-background: #4ecdc4;
  --graph-anchor-selected-border: #a8e6cf;
}

/* Advanced example theme */
.advanced-graph-theme {
  --graph-canvas-background: #f8f9fa;
  --graph-canvas-below-background: #e9ecef;
  --graph-canvas-dots: #dee2e6;
  --graph-canvas-border: #adb5bd;
  
  --graph-block-background: #e3f2fd;
  --graph-block-border: #2196f3;
  --graph-block-text: #1565c0;
  --graph-block-selected-border: #ff9800;
  
  --graph-connection-background: #2196f3;
  --graph-connection-selected-background: #ff9800;
  
  --graph-anchor-background: #2196f3;
  --graph-anchor-selected-border: #ff9800;
  
  /* Constants can also be overridden */
  --graph-block-width: 180px;
  --graph-block-height: 120px;
}