```python
from typing import List, Dict, Any

def draw_tree_lines(root: Dict[str, Any]) -> List[str]:
    if not isinstance(root, dict) or not all(isinstance(k, str) and k and isinstance(v, (list, dict)) for k, v in root.items()):
        raise ValueError("Root must be a non-empty dictionary with string keys and lists or dictionaries as values.")
    
    def traverse(node, level=0):
        if not isinstance(node, dict) or not all(isinstance(k, str) and k and isinstance(v, (list, dict)) for k, v in node.items()):
            raise ValueError("Node must be a non-empty dictionary with string keys and lists or dictionaries as values.")
        
        lines = []
        for i, child in enumerate(node.values()):
            if not isinstance(child, list):
                raise ValueError("Children must be a list of dictionaries.")
            
            if i > 0:
                lines.append('    ' * level + "'-- " + child[0])
            else:
                lines.append('|   ' * level + '|-- ' + child[0])
            for grandchild in child[1:]:
                lines.extend(traverse(grandchild, level + 1))
        return lines
    
    return traverse(root)
```