diff --git a/src/vtk_prompt/cli.py b/src/vtk_prompt/cli.py
index d4dbd17..2234ee1 100644
--- a/src/vtk_prompt/cli.py
+++ b/src/vtk_prompt/cli.py
@@ -162,7 +162,7 @@ def main(
             top_k=top_k,
             rag=rag,
             retry_attempts=retry_attempts,
-            _provider=provider,
+            provider=provider,
             custom_prompt=custom_prompt_data,
         )
 
diff --git a/src/vtk_prompt/generate_files.py b/src/vtk_prompt/generate_files.py
index 8e93428..cfded20 100644
--- a/src/vtk_prompt/generate_files.py
+++ b/src/vtk_prompt/generate_files.py
@@ -187,7 +187,7 @@ def main(
                 f.write(xml_content)
             logger.info("VTK XML content written to %s", output)
         else:
-            print(xml_content)
+            logger.info(xml_content)
     else:
         logger.warning("Generated content may not be valid VTK XML")
         if output:
@@ -195,7 +195,7 @@ def main(
                 f.write(xml_content)
             logger.info("Content written to %s (please verify)", output)
         else:
-            print(xml_content)
+            logger.info(xml_content)
 
 
 if __name__ == "__main__":
diff --git a/src/vtk_prompt/rag_chat_wrapper.py b/src/vtk_prompt/rag_chat_wrapper.py
index 4843864..bd217f2 100644
--- a/src/vtk_prompt/rag_chat_wrapper.py
+++ b/src/vtk_prompt/rag_chat_wrapper.py
@@ -239,7 +239,7 @@ def main(database: str, collection_name: str, top_k: int, model: str) -> None:
         try:
             reply = chat.ask(user_input, collection_name, top_k, streaming=True)
             for item in reply["response"]:
-                print(item.delta, end="")
+                logger.info(item.delta)
                 full_reply += item.delta
 
             logger.info("\n Here are some relevant references:")
diff --git a/src/vtk_prompt/state/initializer.py b/src/vtk_prompt/state/initializer.py
index 350c0fa..02f37b6 100644
--- a/src/vtk_prompt/state/initializer.py
+++ b/src/vtk_prompt/state/initializer.py
@@ -22,7 +22,7 @@
 def initialize_state(app: Any) -> None:
     """Initialize application state variables."""
     # App state variables
-    app.state.query_text = ""
+    app.state.query_text = "Create a red sphere with lighting"
     app.state.generated_code = ""
     app.state.generated_explanation = ""
     app.state.is_loading = False
diff --git a/src/vtk_prompt/ui/layout/content.py b/src/vtk_prompt/ui/layout/content.py
index 0f1dc96..7d96f40 100644
--- a/src/vtk_prompt/ui/layout/content.py
+++ b/src/vtk_prompt/ui/layout/content.py
@@ -53,29 +53,17 @@ def build_content(layout: Any, app: Any) -> None:
                                     classes="mb-2",
                                     v_show="!use_cloud_models",
                                 )
-                                vuetify.VSpacer()
-                                # API token warning chip
-                                vuetify.VChip(
-                                    "API token is required for cloud models.",
-                                    small=True,
-                                    color="error",
-                                    text_color="white",
-                                    label=True,
-                                    classes="mb-2",
-                                    v_show="use_cloud_models && !api_token.trim()",
-                                    prepend_icon="mdi-alert",
-                                )
 
                             with html.Div(classes="d-flex", style="height: calc(100% - 75px);"):
                                 # Query input
                                 vuetify.VTextarea(
                                     label="Describe VTK visualization",
-                                    v_model=("query_text", ""),
+                                    v_model=("query_text", "Create a red sphere with lighting"),
                                     rows=4,
                                     variant="outlined",
-                                    placeholder=("e.g., Create a red sphere with lighting"),
                                     hide_details=True,
                                     no_resize=True,
+                                    clearable=True,
                                 )
                             # Generate button
                             vuetify.VBtn(
diff --git a/src/vtk_prompt/ui/layout/settings_dialog.py b/src/vtk_prompt/ui/layout/settings_dialog.py
index 917760a..986cdcb 100644
--- a/src/vtk_prompt/ui/layout/settings_dialog.py
+++ b/src/vtk_prompt/ui/layout/settings_dialog.py
@@ -71,7 +71,7 @@ def build_settings_dialog(layout: Any, app: Any) -> None:
                                 with vuetify.VRow(cols=12):
                                     with vuetify.VCol(cols=6):
                                         vuetify.VBtn(
-                                            "Download Conversation File",
+                                            "Conversation File",
                                             color="secondary",
                                             classes="mr-2 mt-2 w-100",
                                             click="download_conversation_file",
@@ -79,7 +79,7 @@ def build_settings_dialog(layout: Any, app: Any) -> None:
                                         )
                                     with vuetify.VCol(cols=6):
                                         vuetify.VBtn(
-                                            "Download Prompt File",
+                                            "Prompt File",
                                             color="secondary",
                                             classes="mr-2 mt-2 w-100",
                                             click="download_prompt_file",
diff --git a/src/vtk_prompt/vtk_prompt_ui.py b/src/vtk_prompt/vtk_prompt_ui.py
index 162de2d..e494d70 100644
--- a/src/vtk_prompt/vtk_prompt_ui.py
+++ b/src/vtk_prompt/vtk_prompt_ui.py
@@ -17,6 +17,7 @@
 """
 
 import sys
+import textwrap
 from typing import Any
 
 import vtk
@@ -261,11 +262,22 @@ def start(self) -> None:
         self.server.start()
 
 
+def _print_startup_banner() -> None:
+    """Print a styled startup banner with ANSI colors."""
+    banner = textwrap.dedent("""\
+        \033[36m╭────────────────────────────────────────────────────────────────────╮
+        │  \033[1mVTK Prompt UI\033[0m\033[36m                                                     │
+        │  \033[97mEnter your API token in the application settings.\033[36m                 │
+        │  \033[97mSupported providers: OpenAI, Anthropic, Gemini, NVIDIA NIM\033[36m        │
+        │  \033[97mFor local Ollama, use custom base URL and model config.\033[36m           │
+        ╰────────────────────────────────────────────────────────────────────╯\033[0m
+    """)
+    print(banner)
+
+
 def main() -> None:
     """Start the trame app."""
-    print("VTK Prompt UI - Enter your API token in the application settings.")
-    print("Supported providers: OpenAI, Anthropic, Google Gemini, NVIDIA NIM")
-    print("For local Ollama, use custom base URL and model configuration.")
+    _print_startup_banner()
 
     # Check for custom prompt file in CLI arguments
     custom_prompt_file = None