Enhance UI with premium indigo dark theme and glow effects

app.py

@@ -225,21 +225,23 @@ def analyze_document(file_name: str, analysis_type: str) -> str:
         return f"❌ Error analyzing file: {str(e)}"
 
 
-# Custom CSS for sleek dark mode design with messenger-style chat
+# Custom CSS for sleek indigo/dark mode design with messenger-style chat
 custom_css = """
-/* Dark mode color scheme */
+/* Indigo dark mode color scheme */
 :root {
-    --bg-primary: #0d1117;
-    --bg-secondary: #161b22;
-    --bg-tertiary: #21262d;
-    --accent-primary: #8b5cf6;
-    --accent-secondary: #a78bfa;
-    --accent-glow: rgba(139, 92, 246, 0.3);
-    --text-primary: #e6edf3;
-    --text-secondary: #8b949e;
-    --border-color: #30363d;
-    --message-user: #8b5cf6;
-    --message-bot: #1f2937;
+    --bg-primary: #0a0e27;
+    --bg-secondary: #0f1629;
+    --bg-tertiary: #1a1f3a;
+    --accent-primary: #6366f1;
+    --accent-secondary: #818cf8;
+    --accent-tertiary: #4f46e5;
+    --accent-glow: rgba(99, 102, 241, 0.4);
+    --text-primary: #e0e7ff;
+    --text-secondary: #a5b4fc;
+    --border-color: #312e81;
+    --message-user: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
+    --message-bot: #1e1b4b;
+    --hover-glow: rgba(129, 140, 248, 0.2);
 }
 
 /* Main container - full dark mode */
@@ -252,142 +254,234 @@ body, .gradio-container, .main, .contain {
     background: var(--bg-primary) !important;
 }
 
-/* Header styling - sleek gradient */
+/* Header styling - indigo gradient */
 .header-container {
-    background: linear-gradient(135deg, #8b5cf6 0%, #6366f1 50%, #ec4899 100%);
-    padding: 2.5rem 2rem;
-    border-radius: 16px;
+    background: linear-gradient(135deg, #4f46e5 0%, #6366f1 50%, #818cf8 100%);
+    padding: 3rem 2rem;
+    border-radius: 20px;
     margin-bottom: 2rem;
-    box-shadow: 0 20px 60px rgba(139, 92, 246, 0.4);
-    border: 1px solid rgba(139, 92, 246, 0.2);
+    box-shadow: 0 25px 70px rgba(99, 102, 241, 0.5), 0 0 100px rgba(99, 102, 241, 0.2);
+    border: 1px solid rgba(99, 102, 241, 0.3);
+    position: relative;
+    overflow: hidden;
+}
+
+.header-container::before {
+    content: '';
+    position: absolute;
+    top: 0;
+    left: 0;
+    right: 0;
+    bottom: 0;
+    background: radial-gradient(circle at 30% 50%, rgba(129, 140, 248, 0.3) 0%, transparent 50%);
+    pointer-events: none;
 }
 
 .header-title {
     color: white;
-    font-size: 2.8rem;
+    font-size: 3rem;
     font-weight: 900;
     margin: 0;
     text-align: center;
-    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
+    text-shadow: 0 0 30px rgba(129, 140, 248, 0.8), 0 4px 20px rgba(0, 0, 0, 0.4);
     letter-spacing: -0.02em;
+    position: relative;
+    z-index: 1;
+    background: linear-gradient(to bottom, #ffffff 0%, #e0e7ff 100%);
+    -webkit-background-clip: text;
+    -webkit-text-fill-color: transparent;
+    background-clip: text;
 }
 
 .header-subtitle {
-    color: rgba(255, 255, 255, 0.95);
-    font-size: 1.15rem;
+    color: rgba(224, 231, 255, 0.95);
+    font-size: 1.2rem;
     text-align: center;
-    margin-top: 0.75rem;
+    margin-top: 1rem;
     font-weight: 500;
-    letter-spacing: 0.01em;
+    letter-spacing: 0.02em;
+    position: relative;
+    z-index: 1;
+    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
 }
 
-/* Messenger-style chat window */
-.chatbot.svelte-1w8gs39 {
-    background: var(--bg-secondary) !important;
-    border: 1px solid var(--border-color) !important;
-    border-radius: 16px !important;
-    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4) !important;
+/* Messenger-style chat window with indigo accents */
+.chatbot, [class*="chatbot"] {
+    background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-tertiary) 100%) !important;
+    border: 2px solid var(--border-color) !important;
+    border-radius: 20px !important;
+    box-shadow: 0 12px 48px rgba(0, 0, 0, 0.5), 0 0 60px rgba(99, 102, 241, 0.15), inset 0 1px 0 rgba(99, 102, 241, 0.1) !important;
+    position: relative;
+    overflow: hidden;
 }
 
-/* Chat messages - messenger style */
+.chatbot::before, [class*="chatbot"]::before {
+    content: '';
+    position: absolute;
+    top: 0;
+    left: 0;
+    right: 0;
+    height: 3px;
+    background: linear-gradient(90deg, transparent, var(--accent-primary), transparent);
+    animation: shimmer 3s infinite;
+}
+
+@keyframes shimmer {
+    0%, 100% { transform: translateX(-100%); }
+    50% { transform: translateX(100%); }
+}
+
+/* Chat messages - indigo messenger style with glow */
 .message-wrap {
     padding: 0.5rem 1rem !important;
 }
 
-.user-message {
-    background: linear-gradient(135deg, var(--message-user) 0%, #a78bfa 100%) !important;
+.user.message, .message.user {
+    background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%) !important;
     color: white !important;
-    border-radius: 18px 18px 4px 18px !important;
-    padding: 0.875rem 1.25rem !important;
-    margin: 0.5rem 0 !important;
+    border-radius: 20px 20px 4px 20px !important;
+    padding: 1rem 1.5rem !important;
+    margin: 0.75rem 0 !important;
     max-width: 75% !important;
     margin-left: auto !important;
-    box-shadow: 0 4px 12px rgba(139, 92, 246, 0.3) !important;
-    font-size: 0.95rem !important;
-    line-height: 1.5 !important;
+    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.4), 0 0 20px rgba(99, 102, 241, 0.2) !important;
+    font-size: 0.98rem !important;
+    line-height: 1.6 !important;
+    border: 1px solid rgba(99, 102, 241, 0.4) !important;
+    position: relative;
 }
 
-.bot-message {
+.bot.message, .message.bot {
     background: var(--message-bot) !important;
     color: var(--text-primary) !important;
-    border-radius: 18px 18px 18px 4px !important;
-    padding: 0.875rem 1.25rem !important;
-    margin: 0.5rem 0 !important;
+    border-radius: 20px 20px 20px 4px !important;
+    padding: 1rem 1.5rem !important;
+    margin: 0.75rem 0 !important;
     max-width: 85% !important;
     border: 1px solid var(--border-color) !important;
-    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2) !important;
-    font-size: 0.95rem !important;
-    line-height: 1.6 !important;
+    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3), inset 0 1px 0 rgba(99, 102, 241, 0.1) !important;
+    font-size: 0.98rem !important;
+    line-height: 1.7 !important;
+    backdrop-filter: blur(10px);
 }
 
-/* Button styling - modern purple gradient */
+/* Enhance all message containers */
+.message {
+    animation: messageSlide 0.3s ease-out;
+}
+
+@keyframes messageSlide {
+    from {
+        opacity: 0;
+        transform: translateY(10px);
+    }
+    to {
+        opacity: 1;
+        transform: translateY(0);
+    }
+}
+
+/* Button styling - indigo gradient with glow */
 button, .primary-button {
-    background: linear-gradient(135deg, #8b5cf6 0%, #6366f1 100%) !important;
+    background: linear-gradient(135deg, #6366f1 0%, #4f46e5 100%) !important;
     border: none !important;
-    border-radius: 12px !important;
-    font-weight: 600 !important;
+    border-radius: 14px !important;
+    font-weight: 700 !important;
     transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1) !important;
-    box-shadow: 0 4px 16px var(--accent-glow) !important;
+    box-shadow: 0 4px 20px var(--accent-glow), 0 0 20px rgba(99, 102, 241, 0.3) !important;
     color: white !important;
-    padding: 0.75rem 1.5rem !important;
+    padding: 0.875rem 1.75rem !important;
+    text-transform: uppercase;
+    letter-spacing: 0.05em;
+    font-size: 0.85rem !important;
+    position: relative;
+    overflow: hidden;
+}
+
+button::before, .primary-button::before {
+    content: '';
+    position: absolute;
+    top: 0;
+    left: -100%;
+    width: 100%;
+    height: 100%;
+    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
+    transition: left 0.5s;
+}
+
+button:hover::before, .primary-button:hover::before {
+    left: 100%;
 }
 
 button:hover, .primary-button:hover {
-    transform: translateY(-2px) !important;
-    box-shadow: 0 8px 24px rgba(139, 92, 246, 0.5) !important;
-    background: linear-gradient(135deg, #9d72ff 0%, #7c7eff 100%) !important;
+    transform: translateY(-3px) scale(1.02) !important;
+    box-shadow: 0 12px 32px rgba(99, 102, 241, 0.6), 0 0 40px rgba(99, 102, 241, 0.4) !important;
+    background: linear-gradient(135deg, #818cf8 0%, #6366f1 100%) !important;
 }
 
-/* Tabs - dark mode */
+/* Tabs - indigo dark mode with glow */
 .tabs {
     background: var(--bg-secondary) !important;
-    border-radius: 16px !important;
+    border-radius: 20px !important;
     border: 1px solid var(--border-color) !important;
+    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4) !important;
 }
 
 .tab-nav {
-    background: var(--bg-tertiary) !important;
-    border-radius: 12px 12px 0 0 !important;
-    border-bottom: 1px solid var(--border-color) !important;
-    padding: 0.5rem !important;
+    background: linear-gradient(180deg, var(--bg-tertiary) 0%, var(--bg-secondary) 100%) !important;
+    border-radius: 20px 20px 0 0 !important;
+    border-bottom: 2px solid var(--border-color) !important;
+    padding: 0.75rem !important;
+    box-shadow: inset 0 -1px 0 rgba(99, 102, 241, 0.1) !important;
 }
 
 .tab-nav button {
-    font-weight: 600 !important;
-    border-radius: 10px !important;
+    font-weight: 700 !important;
+    border-radius: 12px !important;
     color: var(--text-secondary) !important;
-    border: none !important;
-    transition: all 0.3s ease !important;
-    padding: 0.75rem 1.5rem !important;
+    border: 1px solid transparent !important;
+    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1) !important;
+    padding: 0.875rem 1.75rem !important;
     margin: 0 0.25rem !important;
+    text-transform: uppercase;
+    letter-spacing: 0.05em;
+    font-size: 0.85rem !important;
+    position: relative;
 }
 
 .tab-nav button:hover {
-    background: rgba(139, 92, 246, 0.1) !important;
+    background: rgba(99, 102, 241, 0.15) !important;
     color: var(--accent-secondary) !important;
+    border-color: rgba(99, 102, 241, 0.3) !important;
+    transform: translateY(-2px);
+    box-shadow: 0 4px 12px var(--hover-glow) !important;
 }
 
 .tab-nav button.selected {
-    background: linear-gradient(135deg, #8b5cf6 0%, #6366f1 100%) !important;
+    background: linear-gradient(135deg, #6366f1 0%, #4f46e5 100%) !important;
     color: white !important;
-    box-shadow: 0 4px 12px var(--accent-glow) !important;
+    box-shadow: 0 6px 20px var(--accent-glow), 0 0 30px rgba(99, 102, 241, 0.3) !important;
+    border-color: rgba(99, 102, 241, 0.5) !important;
+    transform: translateY(-2px);
 }
 
-/* Input fields - dark mode */
+/* Input fields - indigo dark mode with glow effect */
 textarea, input, .input-box {
     background: var(--bg-tertiary) !important;
     border: 2px solid var(--border-color) !important;
-    border-radius: 12px !important;
+    border-radius: 16px !important;
     color: var(--text-primary) !important;
-    transition: all 0.3s ease !important;
-    padding: 0.875rem 1rem !important;
+    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1) !important;
+    padding: 1rem 1.25rem !important;
+    box-shadow: inset 0 2px 8px rgba(0, 0, 0, 0.3) !important;
 }
 
 textarea:focus, input:focus, .input-box:focus {
     border-color: var(--accent-primary) !important;
-    box-shadow: 0 0 0 3px var(--accent-glow) !important;
+    box-shadow: 0 0 0 4px var(--accent-glow), 0 0 30px rgba(99, 102, 241, 0.3), inset 0 2px 8px rgba(0, 0, 0, 0.2) !important;
     background: var(--bg-secondary) !important;
     outline: none !important;
+    transform: translateY(-1px);
 }
 
 textarea::placeholder, input::placeholder {
@@ -404,55 +498,93 @@ textarea::placeholder, input::placeholder {
     padding: 0.75rem 1rem !important;
 }
 
-/* Stats and info cards - dark mode */
+/* Stats and info cards - indigo dark mode with depth */
 .stats-box, .info-card {
-    background: var(--bg-secondary) !important;
-    padding: 1.75rem !important;
-    border-radius: 16px !important;
+    background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-tertiary) 100%) !important;
+    padding: 2rem !important;
+    border-radius: 20px !important;
     border: 1px solid var(--border-color) !important;
-    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3) !important;
+    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4), inset 0 1px 0 rgba(99, 102, 241, 0.1) !important;
     color: var(--text-primary) !important;
-    transition: transform 0.3s ease, box-shadow 0.3s ease !important;
+    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1) !important;
+    position: relative;
+    overflow: hidden;
+}
+
+.stats-box::before, .info-card::before {
+    content: '';
+    position: absolute;
+    top: 0;
+    left: 0;
+    right: 0;
+    bottom: 0;
+    background: radial-gradient(circle at 80% 20%, rgba(99, 102, 241, 0.15) 0%, transparent 50%);
+    opacity: 0;
+    transition: opacity 0.4s ease;
+    pointer-events: none;
 }
 
 .info-card:hover, .stats-box:hover {
-    transform: translateY(-4px) !important;
-    box-shadow: 0 12px 32px rgba(139, 92, 246, 0.2) !important;
+    transform: translateY(-6px) scale(1.01) !important;
+    box-shadow: 0 16px 48px rgba(99, 102, 241, 0.3), 0 0 60px rgba(99, 102, 241, 0.2) !important;
     border-color: var(--accent-primary) !important;
 }
 
-/* Markdown content styling - dark mode */
+.info-card:hover::before, .stats-box:hover::before {
+    opacity: 1;
+}
+
+/* Markdown content styling - indigo dark mode */
 .markdown-text, .prose {
     color: var(--text-primary) !important;
+    line-height: 1.8 !important;
 }
 
 .markdown-text h1, .markdown-text h2, .markdown-text h3,
 .prose h1, .prose h2, .prose h3 {
     color: var(--accent-secondary) !important;
-    font-weight: 700 !important;
+    font-weight: 800 !important;
+    text-shadow: 0 0 20px rgba(99, 102, 241, 0.3);
+    margin-top: 1.5em !important;
+    margin-bottom: 0.75em !important;
 }
 
 .markdown-text strong, .prose strong {
-    color: var(--text-primary) !important;
+    color: var(--accent-secondary) !important;
     font-weight: 700 !important;
 }
 
 .markdown-text code, .prose code {
     background: var(--bg-tertiary) !important;
     color: var(--accent-secondary) !important;
-    padding: 0.2rem 0.5rem !important;
-    border-radius: 6px !important;
+    padding: 0.3rem 0.6rem !important;
+    border-radius: 8px !important;
     font-size: 0.9em !important;
-    border: 1px solid var(--border-color) !important;
+    border: 1px solid rgba(99, 102, 241, 0.3) !important;
+    box-shadow: 0 0 10px rgba(99, 102, 241, 0.2) !important;
+    font-family: 'Fira Code', 'Courier New', monospace !important;
 }
 
 .markdown-text pre, .prose pre {
-    background: #1a1b26 !important;
+    background: linear-gradient(135deg, #0a0e27 0%, #1a1b26 100%) !important;
     color: #a9b1d6 !important;
-    padding: 1.25rem !important;
-    border-radius: 12px !important;
+    padding: 1.5rem !important;
+    border-radius: 16px !important;
     overflow-x: auto !important;
     border: 1px solid var(--border-color) !important;
+    box-shadow: inset 0 2px 8px rgba(0, 0, 0, 0.4), 0 4px 16px rgba(0, 0, 0, 0.3) !important;
+}
+
+.markdown-text a, .prose a {
+    color: var(--accent-secondary) !important;
+    text-decoration: none !important;
+    border-bottom: 2px solid var(--accent-primary) !important;
+    transition: all 0.3s ease !important;
+}
+
+.markdown-text a:hover, .prose a:hover {
+    color: var(--accent-primary) !important;
+    text-shadow: 0 0 10px rgba(99, 102, 241, 0.5) !important;
 }
 
 /* Labels and text */
@@ -474,24 +606,28 @@ label, .label {
     border-radius: 12px !important;
 }
 
-/* Scrollbar styling for dark mode */
+/* Scrollbar styling - indigo themed */
 ::-webkit-scrollbar {
-    width: 10px;
-    height: 10px;
+    width: 12px;
+    height: 12px;
 }
 
 ::-webkit-scrollbar-track {
     background: var(--bg-secondary);
-    border-radius: 8px;
+    border-radius: 10px;
+    border: 1px solid var(--border-color);
 }
 
 ::-webkit-scrollbar-thumb {
-    background: var(--border-color);
-    border-radius: 8px;
+    background: linear-gradient(180deg, var(--accent-primary) 0%, var(--accent-tertiary) 100%);
+    border-radius: 10px;
+    border: 2px solid var(--bg-secondary);
+    box-shadow: 0 0 10px rgba(99, 102, 241, 0.3);
 }
 
 ::-webkit-scrollbar-thumb:hover {
-    background: var(--accent-primary);
+    background: linear-gradient(180deg, var(--accent-secondary) 0%, var(--accent-primary) 100%);
+    box-shadow: 0 0 20px rgba(99, 102, 241, 0.5);
 }
 
 /* Loading animation */
@@ -550,11 +686,11 @@ except TypeError:
 
 with demo:
     
-    # Header with modern dark gradient
+    # Header with indigo gradient and glow effect
     gr.HTML("""
         <div class="header-container">
             <h1 class="header-title">🚀 Docs Navigator MCP</h1>
-            <p class="header-subtitle">Intelligent Documentation Assistant Powered by Claude AI</p>
+            <p class="header-subtitle">✨ AI-Powered Documentation Intelligence with Claude ✨</p>
         </div>
     """)