dark-theme

src/ui/components.py

@@ -16,19 +16,33 @@ class UIComponents:
     @staticmethod
     def get_header_html() -> str:
         """
-        📋 GENERATE HEADER HTML
+        📋 GENERATE ENHANCED HEADER HTML
         """
         return """
         <div class="research-header">
-            <h1>🧠 Advanced AI Reasoning System Pro</h1>
-            <p><strong>Research-Backed Implementation:</strong> Tree of Thoughts + Constitutional AI + Multi-Agent Validation + Performance Optimization</p>
-            <div style="margin-top: 1rem;">
-                <span class="badge">🌳 Yao et al. 2023 - Tree of Thoughts</span>
-                <span class="badge">🛡️ Bai et al. 2022 - Constitutional AI</span>
-                <span class="badge">🔬 6 Advanced Reasoning Modes</span>
-                <span class="badge">⚡ Cache + Rate Limiting</span>
-                <span class="badge">🎛️ Collapsible Sidebar</span>
-                <span class="badge">📊 Real-Time Analytics</span>
+            <div class="header-branding">
+                <div class="logo-section">
+                    <div class="logo-circle">🧠</div>
+                    <div class="brand-text">
+                        <h1>Advanced AI Reasoning System Pro</h1>
+                        <span class="brand-tagline">Next-Generation AI Research Platform</span>
+                    </div>
+                </div>
+                <div class="status-indicator">
+                    <span class="status-dot"></span>
+                    <span class="status-text">System Active</span>
+                </div>
+            </div>
+            <div class="header-subtitle">
+                <p><strong>🚀 Research-Backed Implementation:</strong> Tree of Thoughts + Constitutional AI + Multi-Agent Validation + Performance Optimization</p>
+            </div>
+            <div class="feature-badges">
+                <span class="badge feature-badge">🌳 Tree of Thoughts (Yao '23)</span>
+                <span class="badge feature-badge">🛡️ Constitutional AI (Bai '22)</span>
+                <span class="badge feature-badge">🔬 6 Reasoning Modes</span>
+                <span class="badge feature-badge">⚡ Smart Caching + Rate Limiting</span>
+                <span class="badge feature-badge">🎛️ Dynamic Configuration</span>
+                <span class="badge feature-badge">📊 Real-Time Analytics</span>
             </div>
         </div>
         """
@@ -64,12 +78,47 @@ class UIComponents:
     @staticmethod
     def get_empty_analytics_html() -> str:
         """
-        📊 GENERATE EMPTY ANALYTICS HTML
+        📊 GENERATE ENHANCED EMPTY ANALYTICS HTML
         """
-        return """<div class="analytics-panel">
-        <h3>📊 No Analytics Data Yet</h3>
-        <p>Start a conversation to see detailed analytics and insights!</p>
-        <p style="margin-top: 1rem; font-size: 0.9em;">Metrics tracked: tokens, speed, reasoning depth, confidence scores, and more.</p>
+        return """
+        <div class="analytics-panel-welcome">
+            <div class="analytics-header">
+                <div class="analytics-icon">📊</div>
+                <div class="analytics-text">
+                    <h3>Analytics Dashboard</h3>
+                    <p class="analytics-subtitle">Performance insights & conversation metrics</p>
+                </div>
+            </div>
+
+            <div class="analytics-placeholder">
+                <div class="placeholder-icon">🚀</div>
+                <h4>No Data Available Yet</h4>
+                <p>Start a conversation to begin collecting detailed performance analytics and usage insights.</p>
+
+                <div class="metrics-preview">
+                    <div class="metric-item">
+                        <span class="metric-emoji">⚡</span>
+                        <span class="metric-label">Inference Speed</span>
+                    </div>
+                    <div class="metric-item">
+                        <span class="metric-emoji">🧠</span>
+                        <span class="metric-label">Reasoning Depth</span>
+                    </div>
+                    <div class="metric-item">
+                        <span class="metric-emoji">✨</span>
+                        <span class="metric-label">Confidence Score</span>
+                    </div>
+                    <div class="metric-item">
+                        <span class="metric-emoji">💾</span>
+                        <span class="metric-label">Cache Performance</span>
+                    </div>
+                </div>
+
+                <div class="get-started">
+                    <div class="arrow-icon">👆</div>
+                    <span>Navigate to the "Reasoning Workspace" tab to get started!</span>
+                </div>
+            </div>
         </div>"""
     
     @staticmethod

src/ui/styles.py

@@ -3,26 +3,29 @@ CSS styles for the Gradio interface
 """
 
 CUSTOM_CSS = """
-@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=JetBrains+Mono:wght@400;500;600&display=swap');
+@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=JetBrains+Mono:wght@400;500;600;700&family=Space+Grotesk:wght@300;400;500;600;700&display=swap');
 :root {
-    --bg-primary: #0f0f0f;
-    --bg-secondary: #1a1a1a;
-    --bg-tertiary: #2d2d2d;
-    --bg-card: #1e1e1e;
+    --bg-primary: #0a0c0f;
+    --bg-secondary: #161b22;
+    --bg-tertiary: #21262d;
+    --bg-card: #161b22;
+    --bg-accent: #1f2426;
     --text-primary: #ffffff;
-    --text-secondary: #b0b0b0;
-    --text-tertiary: #888888;
-    --accent-primary: #3b82f6;
-    --accent-secondary: #60a5fa;
-    --accent-gradient: linear-gradient(135deg, #3b82f6 0%, #1d4ed8 100%);
+    --text-secondary: #f0f6fc;
+    --text-tertiary: #c9d1d9;
+    --text-muted: #8b949e;
+    --text-accent: #58a6ff;
+    --accent-primary: #8b5cf6;
+    --accent-secondary: #6366f1;
+    --accent-gradient: linear-gradient(135deg, #8b5cf6 0%, #6366f1 100%);
     --success: #10b981;
     --warning: #f59e0b;
     --error: #ef4444;
-    --border-color: #333333;
-    --border-light: #404040;
-    --shadow-dark: 0 4px 6px -1px rgba(0, 0, 0, 0.6);
-    --shadow-medium: 0 2px 4px rgba(0, 0, 0, 0.4);
-    --shadow-light: 0 1px 2px rgba(0, 0, 0, 0.3);
+    --border-color: #cbd5e1;
+    --border-light: #e2e8f0;
+    --shadow-dark: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
+    --shadow-medium: 0 2px 4px rgba(0, 0, 0, 0.08);
+    --shadow-light: 0 1px 2px rgba(0, 0, 0, 0.05);
     --border-radius: 12px;
     --border-radius-lg: 16px;
     --transition: all 0.3s ease;
@@ -37,12 +40,171 @@ CUSTOM_CSS = """
     max-width: 1400px !important;
     margin: 0 auto !important;
     padding: 20px !important;
+    line-height: 1.5 !important;
+    font-size: 14px !important;
+    font-weight: 400 !important;
 }
 
 * {
     color: var(--text-primary) !important;
 }
 
+/* ==================== BEAUTIFUL TYPOGRAPHY ==================== */
+
+/* Headlines */
+.gr-markdown h1,
+h1 {
+    font-family: 'Space Grotesk', 'Inter', sans-serif !important;
+    font-size: 2.25rem !important;
+    font-weight: 700 !important;
+    line-height: 1.2 !important;
+    letter-spacing: -0.025em !important;
+    color: var(--text-primary) !important;
+    margin-bottom: 1rem !important;
+}
+
+.gr-markdown h2,
+h2 {
+    font-family: 'Space Grotesk', 'Inter', sans-serif !important;
+    font-size: 1.875rem !important;
+    font-weight: 600 !important;
+    line-height: 1.3 !important;
+    letter-spacing: -0.02em !important;
+    color: var(--text-primary) !important;
+    margin-top: 1.5rem !important;
+    margin-bottom: 0.75rem !important;
+}
+
+.gr-markdown h3,
+h3 {
+    font-family: 'Space Grotesk', 'Inter', sans-serif !important;
+    font-size: 1.5rem !important;
+    font-weight: 600 !important;
+    line-height: 1.4 !important;
+    letter-spacing: -0.015em !important;
+    color: var(--text-primary) !important;
+    margin-top: 1.25rem !important;
+    margin-bottom: 0.75rem !important;
+}
+
+.gr-markdown h4,
+h4 {
+    font-family: 'Inter', sans-serif !important;
+    font-size: 1.25rem !important;
+    font-weight: 600 !important;
+    line-height: 1.4 !important;
+    letter-spacing: -0.01em !important;
+    color: var(--text-primary) !important;
+    margin-bottom: 0.5rem !important;
+}
+
+/* Body text */
+.gr-markdown p,
+p {
+    font-family: 'Inter', sans-serif !important;
+    font-size: 15px !important;
+    font-weight: 400 !important;
+    line-height: 1.6 !important;
+    color: var(--text-secondary) !important;
+    margin-bottom: 1rem !important;
+}
+
+/* Small text */
+.gr-markdown small,
+small {
+    font-family: 'Inter', sans-serif !important;
+    font-size: 13px !important;
+    font-weight: 400 !important;
+    line-height: 1.5 !important;
+    color: var(--text-tertiary) !important;
+}
+
+/* Code and monospace */
+.gr-markdown code,
+code {
+    font-family: 'JetBrains Mono', monospace !important;
+    font-size: 14px !important;
+    font-weight: 500 !important;
+    background: var(--bg-secondary) !important;
+    color: var(--text-accent) !important;
+    padding: 0.125rem 0.375rem !important;
+    border-radius: 4px !important;
+    border: 1px solid var(--border-color) !important;
+}
+
+.gr-markdown pre code,
+pre code {
+    background: var(--bg-secondary) !important;
+    border: 1px solid var(--border-color) !important;
+    color: var(--text-primary) !important;
+}
+
+/* Blockquotes */
+.gr-markdown blockquote,
+blockquote {
+    font-family: 'Inter', sans-serif !important;
+    font-size: 16px !important;
+    font-weight: 500 !important;
+    font-style: italic !important;
+    line-height: 1.5 !important;
+    color: var(--text-tertiary) !important;
+    border-left: 4px solid var(--accent-primary) !important;
+    padding-left: 1rem !important;
+    margin: 1.5rem 0 !important;
+    background: rgba(139, 92, 246, 0.05) !important;
+    padding: 1rem 1.5rem !important;
+    border-radius: 0 8px 8px 0 !important;
+}
+
+/* Lists */
+.gr-markdown ul,
+.gr-markdown ol,
+ul, ol {
+    font-family: 'Inter', sans-serif !important;
+    font-size: 15px !important;
+    line-height: 1.6 !important;
+    color: var(--text-secondary) !important;
+}
+
+.gr-markdown li,
+li {
+    margin-bottom: 0.5rem !important;
+}
+
+/* Links */
+.gr-markdown a,
+a {
+    font-family: 'Inter', sans-serif !important;
+    color: var(--text-accent) !important;
+    font-weight: 500 !important;
+    text-decoration: none !important;
+    transition: all 0.2s ease !important;
+    border-bottom: 1px solid transparent !important;
+}
+
+.gr-markdown a:hover,
+a:hover {
+    color: var(--accent-primary) !important;
+    border-bottom-color: var(--accent-primary) !important;
+}
+
+/* Emphasized text */
+.gr-markdown strong,
+.gr-markdown b,
+strong, b {
+    font-family: 'Inter', sans-serif !important;
+    font-weight: 700 !important;
+    color: var(--text-primary) !important;
+}
+
+.gr-markdown em,
+.gr-markdown i,
+em, i {
+    font-family: 'Inter', sans-serif !important;
+    font-style: italic !important;
+    color: var(--text-secondary) !important;
+}
+
 /* ==================== ENHANCED HEADER ==================== */
 
 .research-header {
@@ -62,24 +224,174 @@ CUSTOM_CSS = """
     top: 0;
     left: 0;
     right: 0;
-    height: 3px;
+    height: 4px;
     background: var(--accent-gradient);
+    animation: shimmer 3s infinite;
+}
+
+@keyframes shimmer {
+    0% { background-position: -200% center; }
+    100% { background-position: 200% center; }
+}
+
+.header-branding {
+    display: flex !important;
+    align-items: center !important;
+    justify-content: space-between !important;
+    margin-bottom: 2rem !important;
+    flex-wrap: wrap !important;
+    gap: 1rem !important;
+}
+
+.logo-section {
+    display: flex !important;
+    align-items: center !important;
+    gap: 1.5rem !important;
+}
+
+.logo-circle {
+    width: 3.5rem !important;
+    height: 3.5rem !important;
+    border-radius: 50% !important;
+    background: var(--accent-gradient) !important;
+    display: flex !important;
+    align-items: center !important;
+    justify-content: center !important;
+    font-size: 1.5rem !important;
+    box-shadow: var(--shadow-dark) !important;
+    animation: pulse 2s infinite;
+}
+
+@keyframes pulse {
+    0% { transform: scale(1); }
+    50% { transform: scale(1.05); }
+    100% { transform: scale(1); }
 }
 
-.research-header h1 {
+.brand-text h1 {
+    font-family: 'Space Grotesk', 'Inter', sans-serif !important;
     font-size: 2.5rem !important;
-    font-weight: 700 !important;
-    margin-bottom: 1rem !important;
+    font-weight: 800 !important;
+    margin: 0 !important;
     color: var(--text-primary) !important;
-    background: none !important;
-    -webkit-text-fill-color: var(--text-primary) !important;
+    -webkit-font-smoothing: antialiased !important;
+    -moz-osx-font-smoothing: grayscale !important;
+    text-rendering: optimizeLegibility !important;
+    letter-spacing: -0.01em !important;
+    line-height: 1.1 !important;
+    border: 2px solid transparent !important;
+    border-image: linear-gradient(135deg, rgba(139, 92, 246, 0.6), rgba(99, 102, 241, 0.6)) 1 !important;
+    padding: 0.2rem 0.5rem !important;
+    background: rgba(139, 92, 246, 0.08) !important;
+    border-radius: 12px !important;
+}
+
+.brand-tagline {
+    font-size: 0.95rem !important;
+    color: var(--text-secondary) !important;
+    font-weight: 500 !important;
+    letter-spacing: 0.5px !important;
 }
 
-.research-header .subtitle {
+.status-indicator {
+    display: flex !important;
+    align-items: center !important;
+    gap: 0.5rem !important;
+    padding: 0.5rem 1rem !important;
+    background: rgba(16, 185, 129, 0.1) !important;
+    border: 1px solid rgba(16, 185, 129, 0.2) !important;
+    border-radius: 20px !important;
+}
+
+.status-dot {
+    width: 8px !important;
+    height: 8px !important;
+    background: var(--success) !important;
+    border-radius: 50% !important;
+    animation: pulse-green 2s infinite;
+}
+
+@keyframes pulse-green {
+    0%, 100% { opacity: 1; }
+    50% { opacity: 0.5; }
+}
+
+.status-text {
+    font-size: 0.85rem !important;
+    font-weight: 600 !important;
+    color: var(--success) !important;
+    letter-spacing: 0.5px !important;
+}
+
+.header-subtitle {
+    margin-bottom: 2rem !important;
+}
+
+.header-subtitle p {
     font-size: 1.1rem !important;
     color: var(--text-secondary) !important;
-    margin-bottom: 1.5rem !important;
     line-height: 1.6 !important;
+    margin: 0 !important;
+}
+
+.header-subtitle strong {
+    color: var(--accent-primary) !important;
+}
+
+.feature-badges {
+    display: flex !important;
+    flex-wrap: wrap !important;
+    gap: 0.75rem !important;
+}
+
+.feature-badge {
+    background: linear-gradient(135deg, rgba(139, 92, 246, 0.08) 0%, rgba(99, 102, 241, 0.08) 100%) !important;
+    border: 1px solid rgba(139, 92, 246, 0.25) !important;
+    color: var(--accent-primary) !important;
+    font-weight: 600 !important;
+    font-size: 0.85rem !important;
+    padding: 0.6rem 1.2rem !important;
+    border-radius: 25px !important;
+    transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1) !important;
+    position: relative !important;
+    overflow: hidden !important;
+    cursor: pointer !important;
+    font-family: 'Inter', sans-serif !important;
+    letter-spacing: 0.3px !important;
+    backdrop-filter: blur(10px) !important;
+}
+
+.feature-badge::before {
+    content: '';
+    position: absolute;
+    top: 0;
+    left: -100%;
+    width: 100%;
+    height: 100%;
+    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent) !important;
+    transition: left 0.6s !important;
+}
+
+.feature-badge:hover::before {
+    left: 100% !important;
+}
+
+.feature-badge:hover {
+    background: linear-gradient(135deg, rgba(139, 92, 246, 0.15) 0%, rgba(99, 102, 241, 0.15) 100%) !important;
+    border-color: rgba(139, 92, 246, 0.4) !important;
+    color: var(--accent-secondary) !important;
+    transform: translateY(-3px) !important;
+    box-shadow:
+        0 10px 25px rgba(139, 92, 246, 0.2),
+        0 0 20px rgba(139, 92, 246, 0.1) !important;
+    text-shadow: 0 0 8px rgba(139, 92, 246, 0.3) !important;
+}
+
+.feature-badge:active {
+    transform: translateY(-1px) scale(0.98) !important;
+    box-shadow:
+        0 5px 15px rgba(139, 92, 246, 0.15),
+        0 0 10px rgba(139, 92, 246, 0.1) !important;
 }
 
 /* ==================== CLEAN BADGES ==================== */
@@ -174,6 +486,158 @@ CUSTOM_CSS = """
     font-weight: 600 !important;
 }
 
+/* ==================== ENHANCED ANALYTICS WELCOME ==================== */
+
+.analytics-panel-welcome {
+    background: var(--bg-card) !important;
+    border: 1px solid var(--border-color) !important;
+    border-radius: var(--border-radius-lg) !important;
+    padding: 3rem !important;
+    box-shadow: var(--shadow-dark) !important;
+    text-align: center !important;
+    position: relative !important;
+    overflow: hidden !important;
+}
+
+.analytics-panel-welcome::before {
+    content: '';
+    position: absolute;
+    top: 0;
+    left: 0;
+    right: 0;
+    height: 4px;
+    background: var(--accent-gradient);
+    animation: shimmer 4s infinite;
+}
+
+.analytics-header {
+    display: flex !important;
+    align-items: center !important;
+    justify-content: center !important;
+    gap: 1rem !important;
+    margin-bottom: 2rem !important;
+}
+
+.analytics-icon {
+    font-size: 3rem !important;
+    animation: bounce-in 1s ease-out;
+}
+
+@keyframes bounce-in {
+    0% { transform: scale(0) rotate(-45deg); opacity: 0; }
+    50% { transform: scale(1.1) rotate(-5deg); opacity: 0.7; }
+    100% { transform: scale(1) rotate(0deg); opacity: 1; }
+}
+
+.analytics-text h3 {
+    font-size: 2rem !important;
+    font-weight: 700 !important;
+    margin: 0 !important;
+    background: var(--accent-gradient);
+    -webkit-background-clip: text !important;
+    -webkit-text-fill-color: transparent !important;
+    background-clip: text !important;
+}
+
+.analytics-subtitle {
+    font-size: 1.1rem !important;
+    color: var(--text-secondary) !important;
+    margin: 0.5rem 0 0 0 !important;
+    font-weight: 500 !important;
+}
+
+.analytics-placeholder {
+    max-width: 600px !important;
+    margin: 0 auto !important;
+}
+
+.placeholder-icon {
+    font-size: 4rem !important;
+    margin-bottom: 1.5rem !important;
+    animation: float 3s ease-in-out infinite;
+}
+
+@keyframes float {
+    0%, 100% { transform: translateY(0px); }
+    50% { transform: translateY(-10px); }
+}
+
+.analytics-placeholder h4 {
+    font-size: 1.5rem !important;
+    font-weight: 600 !important;
+    color: var(--text-primary) !important;
+    margin-bottom: 1rem !important;
+}
+
+.analytics-placeholder p {
+    font-size: 1.1rem !important;
+    line-height: 1.6 !important;
+    color: var(--text-secondary) !important;
+    margin-bottom: 2rem !important;
+}
+
+.metrics-preview {
+    display: grid !important;
+    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)) !important;
+    gap: 1rem !important;
+    margin: 2.5rem 0 !important;
+}
+
+.metric-item {
+    display: flex !important;
+    align-items: center !important;
+    gap: 0.75rem !important;
+    padding: 1rem !important;
+    background: linear-gradient(135deg, rgba(139, 92, 246, 0.05) 0%, rgba(99, 102, 241, 0.05) 100%) !important;
+    border: 1px solid rgba(139, 92, 246, 0.1) !important;
+    border-radius: var(--border-radius) !important;
+    transition: all 0.3s ease !important;
+}
+
+.metric-item:hover {
+    transform: translateY(-2px) !important;
+    box-shadow: var(--shadow-medium) !important;
+    border-color: rgba(139, 92, 246, 0.3) !important;
+}
+
+.metric-emoji {
+    font-size: 1.5rem !important;
+}
+
+.metric-label {
+    font-weight: 500 !important;
+    color: var(--text-primary) !important;
+}
+
+.get-started {
+    display: flex !important;
+    align-items: center !important;
+    justify-content: center !important;
+    gap: 0.75rem !important;
+    margin-top: 2rem !important;
+    padding: 1rem !important;
+    background: rgba(16, 185, 129, 0.1) !important;
+    border: 1px solid rgba(16, 185, 129, 0.2) !important;
+    border-radius: var(--border-radius) !important;
+}
+
+.arrow-icon {
+    font-size: 1.5rem !important;
+    animation: bounce 2s infinite;
+}
+
+@keyframes bounce {
+    0%, 20%, 53%, 80%, 100% { transform: translate3d(0,0,0); }
+    40%, 43% { transform: translate3d(0,-8px,0); }
+    70% { transform: translate3d(0,-4px,0); }
+    90% { transform: translate3d(0,-2px,0); }
+}
+
+.get-started span {
+    font-weight: 600 !important;
+    color: var(--success) !important;
+}
+
 /* ==================== STATUS INDICATORS ==================== */
 
 .status-active {
@@ -229,6 +693,87 @@ CUSTOM_CSS = """
     color: var(--text-tertiary) !important;
 }
 
+/* ==================== ENHANCED TABS ==================== */
+
+.gr-tabs {
+    background: var(--bg-card) !important;
+    border: 1px solid var(--border-color) !important;
+    border-radius: var(--border-radius-lg) !important;
+    box-shadow: var(--shadow-medium) !important;
+    margin-bottom: 2rem !important;
+    overflow: hidden !important;
+}
+
+.gr-tabs .tab-nav {
+    background: linear-gradient(135deg, rgba(139, 92, 246, 0.05) 0%, rgba(99, 102, 241, 0.05) 100%) !important;
+    border-bottom: 1px solid var(--border-color) !important;
+    padding: 0 !important;
+}
+
+.gr-tabs .tab-nav button {
+    background: transparent !important;
+    border: none !important;
+    padding: 1.25rem 1.5rem !important;
+    margin: 0 !important;
+    font-size: 1rem !important;
+    font-weight: 500 !important;
+    color: var(--text-secondary) !important;
+    position: relative !important;
+    transition: all 0.3s ease !important;
+    border-radius: 0 !important;
+    font-family: 'Inter', sans-serif !important;
+    min-width: 180px !important;
+    display: flex !important;
+    align-items: center !important;
+    justify-content: center !important;
+    gap: 0.5rem !important;
+}
+
+.gr-tabs .tab-nav button:hover {
+    background: rgba(139, 92, 246, 0.1) !important;
+    color: var(--accent-primary) !important;
+}
+
+.gr-tabs .tab-nav button.selected {
+    background: var(--accent-gradient) !important;
+    color: white !important;
+    font-weight: 600 !important;
+    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1) !important;
+}
+
+.gr-tabs .tab-nav button.selected::after {
+    content: '';
+    position: absolute;
+    bottom: 0;
+    left: 20%;
+    right: 20%;
+    height: 3px;
+    background: currentColor;
+    border-radius: 2px;
+}
+
+.gr-tabs .tab-content {
+    padding: 2rem !important;
+    background: var(--bg-card) !important;
+}
+
+/* Tab-specific styling for better visual hierarchy */
+.tab-content .gr-markdown h2,
+.tab-content .gr-markdown h3 {
+    color: var(--text-primary) !important;
+    font-weight: 600 !important;
+    margin-top: 2rem !important;
+    margin-bottom: 1rem !important;
+}
+
+.tab-content .gr-markdown h2 {
+    font-size: 1.4rem !important;
+}
+
+.tab-content .gr-markdown h3 {
+    font-size: 1.2rem !important;
+}
+
 /* ==================== MARKDOWN TEXT FIXES ==================== */
 
 .gr-markdown {
@@ -391,38 +936,79 @@ CUSTOM_CSS = """
     .gradio-container {
         padding: 1rem !important;
     }
-    
+
     .research-header {
         padding: 2rem 1.5rem !important;
     }
-    
-    .research-header h1 {
-        font-size: 2rem !important;
+
+    .brand-text h1 {
+        font-size: 2.2rem !important;
     }
-    
+
+    .header-branding {
+        flex-direction: column !important;
+        text-align: center !important;
+        gap: 1.5rem !important;
+    }
+
+    .logo-section {
+        justify-content: center !important;
+    }
+
+    .status-indicator {
+        margin: 0 auto !important;
+    }
+
+    .feature-badges {
+        justify-content: center !important;
+    }
+
     .badge {
         font-size: 0.8rem !important;
         padding: 0.4rem 0.8rem !important;
     }
-    
+
     .metrics-card {
         padding: 1.25rem !important;
     }
-    
+
     .analytics-panel {
         padding: 1.5rem !important;
     }
 }
 
 @media (max-width: 480px) {
-    .research-header h1 {
-        font-size: 1.75rem !important;
+    .research-header {
+        padding: 1.5rem 1rem !important;
     }
-    
-    .research-header .subtitle {
+
+    .brand-text h1 {
+        font-size: 1.8rem !important;
+        line-height: 1.2 !important;
+    }
+
+    .brand-tagline {
+        font-size: 0.9rem !important;
+    }
+
+    .header-subtitle p {
         font-size: 1rem !important;
     }
-    
+
+    .logo-circle {
+        width: 3rem !important;
+        height: 3rem !important;
+    }
+
+    .feature-badges {
+        gap: 0.5rem !important;
+    }
+
+    .feature-badge {
+        font-size: 0.8rem !important;
+        padding: 0.5rem 1rem !important;
+    }
+
     .metrics-card {
         padding: 1rem !important;
         font-size: 0.9rem !important;
@@ -493,6 +1079,61 @@ textarea:focus-visible {
 .gr-code .token.string { color: var(--success) !important; }
 .gr-code .token.comment { color: var(--text-tertiary) !important; }
 .gr-code .token.function { color: var(--accent-primary) !important; }
+
+/* ==================== FINAL POLISH ==================== */
+
+.gr-chatbot .message {
+    border-radius: var(--border-radius) !important;
+    box-shadow: var(--shadow-light) !important;
+    border: 1px solid var(--border-light) !important;
+    margin: 0.75rem 0 !important;
+}
+
+.gr-chatbot .message.user {
+    background: linear-gradient(135deg, rgba(139, 92, 246, 0.03) 0%, rgba(99, 102, 241, 0.03) 100%) !important;
+    border-color: rgba(139, 92, 246, 0.15) !important;
+}
+
+.gr-chatbot .message.bot {
+    background: var(--bg-card) !important;
+    border-color: var(--border-color) !important;
+}
+
+/* Enhanced spacing and typography */
+.gr-column {
+    margin-bottom: 1rem !important;
+}
+
+/* Subtle background pattern for empty states */
+.analytics-panel-welcome::after {
+    content: '';
+    position: absolute;
+    top: 20%;
+    right: 10%;
+    width: 60px;
+    height: 60px;
+    background: radial-gradient(circle, rgba(139, 92, 246, 0.1) 0%, transparent 70%);
+    border-radius: 50%;
+    z-index: -1;
+}
+
+.analytics-panel-welcome::before {
+    background: var(--accent-gradient) !important;
+}
+
+/* Professional logo background pattern */
+.research-header::after {
+    content: '';
+    position: absolute;
+    top: 50%;
+    right: 5%;
+    width: 150px;
+    height: 150px;
+    background: radial-gradient(ellipse, rgba(139, 92, 246, 0.05) 0%, transparent 70%);
+    transform: translateY(-50%);
+    border-radius: 50%;
+    z-index: -1;
+}
 """
 
-SIDEBAR_CSS = CUSTOM_CSS
+SIDEBAR_CSS = CUSTOM_CSS