feat: modernize UI with gradient design, glass morphism, and enhanced visual appeal

- Add purple/indigo gradient background throughout app
- Implement glass morphism effects on all cards
- Add gradient buttons with smooth hover animations
- Integrate emoji icons for better visual communication
- Enhance typography with improved font stack
- Add loading spinners and smooth transitions
- Improve color scheme with modern purple/indigo palette
- Add glowing shadows and depth effects
- Maintain responsive design and touch-friendly interactions

test_api_directly.py

@@ -0,0 +1,86 @@
+#!/usr/bin/env python3
+"""
+Test the API directly with the full story to verify backend functionality.
+"""
+import requests
+import json
+
+# Read the full story
+with open('Test Story.txt', 'r') as f:
+    story = f.read()
+
+print(f"Story length: {len(story)} characters\n")
+
+# Test 1: Role Detection
+print("=" * 70)
+print("TEST 1: Role Detection")
+print("=" * 70)
+
+response = requests.post(
+    'http://localhost:8002/api/tts/roles',
+    json={'text': story},
+    headers={'Content-Type': 'application/json'}
+)
+
+print(f"Status: {response.status_code}")
+if response.status_code == 200:
+    roles_data = response.json()
+    roles = roles_data['roles']
+    print(f"✓ Detected {len(roles)} roles:")
+    for role in roles:
+        print(f"  - {role['label']}")
+else:
+    print(f"❌ Error: {response.text}")
+    exit(1)
+
+print()
+
+# Test 2: Audio Generation with Multiple Voices
+print("=" * 70)
+print("TEST 2: Audio Generation")
+print("=" * 70)
+
+# Assign different voices to each role
+voice_map = {
+    'Lily': 'af_bella',
+    'Benny': 'am_adam', 
+    'Sammy': 'am_michael',
+    'Narrator': 'af_sarah'
+}
+
+# Build roles array for API
+roles_array = []
+for role in roles:
+    role_id = role['id']
+    voice = voice_map.get(role_id, 'af_bella')
+    roles_array.append({'id': role_id, 'voice': voice})
+    print(f"  {role_id} → {voice}")
+
+print(f"\nGenerating audiobook...")
+
+response = requests.post(
+    'http://localhost:8002/api/tts',
+    json={
+        'text': story,
+        'lang': 'a',
+        'roles': roles_array,
+        'speed': 1.0
+    },
+    headers={'Content-Type': 'application/json'}
+)
+
+print(f"Status: {response.status_code}")
+if response.status_code == 200:
+    # Save the audio file
+    with open('test_output.wav', 'wb') as f:
+        f.write(response.content)
+    print(f"✓ Generated audiobook: {len(response.content)} bytes")
+    print(f"✓ Saved to: test_output.wav")
+    print("\nYou can now play test_output.wav to hear the multi-voice audiobook!")
+else:
+    print(f"❌ Error: {response.text}")
+    exit(1)
+
+print("\n" + "=" * 70)
+print("SUCCESS! Backend is working correctly with full story.")
+print("=" * 70)