diff --git a/.code_doc_cli/generators/templates.py b/.code_doc_cli/generators/templates.py
new file mode 100644
index 0000000..ec56a33
--- /dev/null
+++ b/.code_doc_cli/generators/templates.py
@@ -0,0 +1,243 @@
+"""Documentation templates."""
+
+from typing import Optional
+from pygments.formatters import HtmlFormatter
+from pygments import highlight
+from pygments.lexers import get_lexer_by_name
+from pygments.styles import get_style_by_name
+
+
+class DocumentationTemplate:
+    """Template for documentation output."""
+
+    def __init__(self, style: str = "default", theme: str = "default"):
+        self.style = style
+        self.theme = theme
+
+    def format_function(
+        self,
+        name: str,
+        description: str,
+        parameters: list[tuple],
+        return_type: Optional[str],
+        return_description: Optional[str],
+        raises: list[tuple],
+        examples: list[str],
+        source_file: str,
+        line_number: int,
+        decorators: list[str],
+    ) -> str:
+        """Format function documentation."""
+        lines = [f"### {name}", ""]
+
+        if decorators:
+            for dec in decorators:
+                lines.append(f"```python\n{dec}\n```\n")
+
+        if description:
+            lines.append(f"{description}\n")
+
+        if parameters:
+            lines.append("**Parameters:**\n")
+            lines.append("| Name | Type | Default | Description |")
+            lines.append("|------|------|---------|-------------|")
+            for param in parameters:
+                if len(param) >= 4:
+                    param_name, param_type, default, param_desc = param[:4]
+                else:
+                    param_name = param[0] if len(param) > 0 else ""
+                    param_type = param[1] if len(param) > 1 else None
+                    default = param[2] if len(param) > 2 else None
+                    param_desc = param[3] if len(param) > 3 else None
+                default_str = f"`{default}`" if default else "-"
+                desc_str = param_desc or "-"
+                type_str = f"`{param_type}`" if param_type else "-"
+                lines.append(f"| {param_name} | {type_str} | {default_str} | {desc_str} |")
+            lines.append("")
+
+        if return_type or return_description:
+            lines.append("**Returns:**\n")
+            if return_type:
+                lines.append(f"- Type: `{return_type}`")
+            if return_description:
+                lines.append(f"\n{return_description}")
+            lines.append("")
+
+        if raises:
+            lines.append("**Raises:**\n")
+            for exc_type, exc_desc in raises:
+                lines.append(f"- `{exc_type}`: {exc_desc}")
+            lines.append("")
+
+        if examples:
+            lines.append("**Examples:**\n")
+            for example in examples:
+                lines.append(f"```python\n{example}\n```\n")
+
+        lines.append(f"*Source: {source_file}:{line_number}*")
+
+        return "\n".join(lines)
+
+    def format_class(
+        self,
+        name: str,
+        description: str,
+        attributes: list[tuple],
+        methods: list[str],
+        parameters: list[tuple],
+        decorators: list[str],
+        source_file: str,
+        line_number: int,
+    ) -> str:
+        """Format class documentation."""
+        lines = [f"## {name}", ""]
+
+        if decorators:
+            for dec in decorators:
+                lines.append(f"```python\n{dec}\n```\n")
+
+        if description:
+            lines.append(f"{description}\n")
+
+        if parameters:
+            lines.append("**Inherits:**\n")
+            for param in parameters:
+                if isinstance(param, tuple) and len(param) >= 2:
+                    base_name, base_desc = param[0], param[1]
+                else:
+                    base_name, base_desc = str(param), ""
+                lines.append(f"- {base_name}: {base_desc or ''}")
+            lines.append("")
+
+        if attributes:
+            lines.append("**Attributes:**\n")
+            lines.append("| Name | Type | Description |")
+            lines.append("|------|------|-------------|")
+            for attr in attributes:
+                if len(attr) >= 3:
+                    attr_name, attr_type, attr_desc = attr[:3]
+                else:
+                    attr_name = attr[0] if len(attr) > 0 else ""
+                    attr_type = attr[1] if len(attr) > 1 else None
+                    attr_desc = attr[2] if len(attr) > 2 else None
+                type_str = f"`{attr_type}`" if attr_type else "-"
+                desc_str = attr_desc or "-"
+                lines.append(f"| {attr_name} | {type_str} | {desc_str} |")
+            lines.append("")
+
+        if methods:
+            lines.append("**Methods:**\n")
+            for method in methods:
+                lines.append(f"- {method}")
+            lines.append("")
+
+        lines.append(f"*Source: {source_file}:{line_number}*")
+
+        return "\n".join(lines)
+
+    def format_module(
+        self,
+        name: str,
+        description: str,
+        imports: list[str],
+        elements_count: dict,
+    ) -> str:
+        """Format module documentation."""
+        lines = [f"# {name}", ""]
+
+        if description:
+            lines.append(f"{description}\n")
+
+        lines.append("## Summary")
+        if elements_count:
+            summary_parts = []
+            if elements_count.get("functions"):
+                summary_parts.append(f"{elements_count['functions']} functions")
+            if elements_count.get("classes"):
+                summary_parts.append(f"{elements_count['classes']} classes")
+            if elements_count.get("constants"):
+                summary_parts.append(f"{elements_count['constants']} constants")
+            if summary_parts:
+                lines.append(f"This module contains {', '.join(summary_parts)}.")
+            lines.append("")
+
+        if imports:
+            lines.append("## Imports")
+            for imp in imports[:10]:
+                lines.append(f"- `{imp}`")
+            if len(imports) > 10:
+                lines.append(f"- ... and {len(imports) - 10} more")
+            lines.append("")
+
+        return "\n".join(lines)
+
+    def format_interface(
+        self,
+        name: str,
+        description: str,
+        properties: list[tuple],
+    ) -> str:
+        """Format interface documentation."""
+        lines = [f"## {name}", ""]
+
+        if description:
+            lines.append(f"{description}\n")
+
+        if properties:
+            lines.append("**Properties:**\n")
+            lines.append("| Name | Type | Description |")
+            lines.append("|------|------|-------------|")
+            for prop in properties:
+                if len(prop) >= 3:
+                    prop_name, prop_type, prop_desc = prop[:3]
+                else:
+                    prop_name = prop[0] if len(prop) > 0 else ""
+                    prop_type = prop[1] if len(prop) > 1 else None
+                    prop_desc = prop[2] if len(prop) > 2 else None
+                type_str = f"`{prop_type}`" if prop_type else "-"
+                desc_str = prop_desc or "-"
+                lines.append(f"| {prop_name} | {type_str} | {desc_str} |")
+            lines.append("")
+
+        return "\n".join(lines)
+
+
+class SyntaxHighlighter:
+    """Syntax highlighting utilities."""
+
+    THEMES = {
+        "default": "default",
+        "dark": "monokai",
+        "light": "manni",
+        "colorful": "rainbow_dash",
+    }
+
+    def __init__(self, theme: str = "default"):
+        self.theme = self.THEMES.get(theme, "default")
+        self.style = get_style_by_name(self.theme)
+        self.formatter = HtmlFormatter(
+            style=self.style,
+            linenos=True,
+            cssclass="code-highlight",
+            noclasses=False,
+        )
+
+    def highlight(self, code: str, language: str) -> str:
+        """Highlight code with syntax highlighting.
+
+        Args:
+            code: Code to highlight
+            language: Programming language
+
+        Returns:
+            HTML formatted highlighted code
+        """
+        try:
+            lexer = get_lexer_by_name(language)
+            return highlight(code, lexer, self.formatter)
+        except Exception:
+            return f"<pre><code>{code}</code></pre>"
+
+    def get_css(self) -> str:
+        """Get CSS for syntax highlighting."""
+        return self.formatter.get_style_defs()