Update Gradio app with multiple files

config.py

@@ -1,16 +1,16 @@
 import gradio as gr
 
 # Define a custom theme based on Soft theme for a modern/Apple aesthetic
-# Using Indigo for a deep tech blue (Tencent blue approximation)
+# Using indigo for a deep tech blue (Tencent blue approximation)
 APPLE_TENCENT_THEME = gr.themes.Soft(
-    primary_hue=gr.themes.colors.Indigo, # Deep tech blue
-    secondary_hue=gr.themes.colors.Gray,
-    neutral_hue=gr.themes.colors.Neutral,
+    primary_hue=gr.themes.colors.indigo, # FIX: Corrected capitalization to lowercase 'indigo'
+    secondary_hue=gr.themes.colors.gray,
+    neutral_hue=gr.themes.colors.neutral,
     spacing_size=gr.themes.sizes.spacing_lg,
     radius_size=gr.themes.sizes.radius_lg,
     text_size=gr.themes.sizes.text_md,
 ).set(
-    # Custom tweaks for a cleaner, high-contrast look
+    # Custom tweaks for a cleaner, high-contrast look (Apple/Modern aesthetic)
     body_background_fill="#F9F9F9",
     background_fill_primary="#FFFFFF",
     background_fill_secondary="#F0F0F0",

models.py

@@ -19,6 +19,7 @@ CLIENT: Union[InferenceClient, None] = None
 
 if HF_TOKEN:
     try:
+        # Note: FAL AI provider uses HF_TOKEN as its api_key
         CLIENT = InferenceClient(
             provider=PROVIDER,
             api_key=HF_TOKEN,
@@ -52,7 +53,6 @@ def generate_image(prompt: str) -> Image.Image:
         return image
     except Exception as e:
         print(f"Error during image generation: {e}")
-        # Check for common API errors
         if "Authentication failed" in str(e):
              raise gr.Error("Authentication failed. Check your HF_TOKEN.")
         if "limit reached" in str(e) or "quota" in str(e):