feat: change max tokens

app.py

@@ -182,7 +182,7 @@ class SVGAnimationGenerator:
             if self.client:
                 response = self.client.messages.create(
                     model="claude-sonnet-4-20250514",
-                    max_tokens=10000,
+                    max_tokens=32000,
                     messages=[{"role": "user", "content": prompt}],
                 )
                 response_text = response.content[0].text
@@ -417,7 +417,7 @@ def create_svg_viewer_html(svg_content: str) -> str:
     safe_doc = doc.replace('"', """)
 
     return f"""
-    <div style="width:100%; height:520px;">
+    <div style='padding: 20px; width:100%; height:520px; background: #fff; border: 1px solid #eee; border-radius: 8px; display: block;'>
       <iframe
         srcdoc="{safe_doc}"
         width="100%"