Changed UI

app.py

@@ -275,19 +275,19 @@ def search():
     try:
         data = request.get_json()
         paper_name = data.get('paper_name')
-        sort_by = data.get('sort_by', 'relevance')
-        max_results = data.get('max_results', 10)
+        sort_by = data.get('sort_by', 'relevance')  # Default to relevance
+        max_results = data.get('max_results', 20)  # Increase to get more candidates for filtering
 
         if not paper_name:
             return jsonify({'error': 'No search query provided'}), 400
 
-        # Map sort_by to arxiv.SortCriterion
-        sort_mapping = {
+        # Configure sorting based on user preference
+        sort_options = {
             'relevance': arxiv.SortCriterion.Relevance,
-            'lastUpdated': arxiv.SortCriterion.LastUpdatedDate,
-            'submitted': arxiv.SortCriterion.SubmittedDate
+            'recent': arxiv.SortCriterion.SubmittedDate
         }
-        sort_criterion = sort_mapping.get(sort_by, arxiv.SortCriterion.Relevance)
+        
+        sort_criterion = sort_options.get(sort_by, arxiv.SortCriterion.Relevance)
 
         # Perform the search
         search = arxiv.Search(
@@ -298,6 +298,21 @@ def search():
 
         results = []
         for paper in search.results():
+            # Extract citation count if available (not directly provided by arXiv API)
+            citation_count = 0
+            
+            # You could integrate with a citation API here (e.g., Semantic Scholar)
+            # For now, we'll use proxies for popularity like:
+            # - Papers with DOIs (published in journals) tend to be more established
+            # - Papers with more authors often have more visibility
+            # - More recent papers in the results might indicate ongoing relevance
+            
+            has_doi = hasattr(paper, 'doi') and paper.doi is not None
+            author_count = len(paper.authors)
+            
+            # Calculate a simple "popularity score" (this is a heuristic)
+            popularity_score = (10 if has_doi else 0) + min(author_count, 5)
+            
             results.append({
                 'title': paper.title,
                 'authors': ', '.join(author.name for author in paper.authors),
@@ -307,8 +322,12 @@ def search():
                 'published': paper.published.strftime('%Y-%m-%d'),
                 'category': paper.primary_category,
                 'comment': paper.comment if hasattr(paper, 'comment') else None,
-                'doi': paper.doi if hasattr(paper, 'doi') else None
+                'doi': paper.doi if hasattr(paper, 'doi') else None,
+                'popularity_score': popularity_score  # Add popularity score
             })
+        
+        # Sort results by our popularity score (higher is better)
+        results.sort(key=lambda x: x['popularity_score'], reverse=True)
 
         return jsonify(results)
 

static/analysis.css

@@ -1,12 +1,20 @@
-/* Dark theme variables */
+/* Modern theme variables */
 :root {
-    --bg-primary: #1a1a1a;
-    --bg-secondary: #2a2a2a;
-    --text-primary: #ffffff;
-    --text-secondary: #cccccc;
-    --accent-color: #6c63ff;
-    --error-color: #f44336;
-    --success-color: #4CAF50;
+    --primary-color: #6366f1;
+    --primary-light: #818cf8;
+    --primary-dark: #4f46e5;
+    --secondary-color: #10b981;
+    --accent-color: #f59e0b;
+    --background-color: #0f172a;
+    --card-background: #1e293b;
+    --surface-light: rgba(30, 41, 59, 0.7);
+    --surface-dark: rgba(15, 23, 42, 0.7);
+    --text-primary: rgba(255, 255, 255, 0.95);
+    --text-secondary: rgba(255, 255, 255, 0.7);
+    --border-color: rgba(255, 255, 255, 0.08);
+    --error-color: #ef4444;
+    --success-color: #10b981;
+    --shadow-color: rgba(0, 0, 0, 0.25);
 }
 
 /* Loading Overlay */
@@ -16,26 +24,30 @@
     left: 0;
     width: 100%;
     height: 100%;
-    background: rgba(0, 0, 0, 0.9);
+    background: rgba(15, 23, 42, 0.9);
     display: flex;
     justify-content: center;
     align-items: center;
     z-index: 1000;
+    backdrop-filter: blur(8px);
 }
 
 .loading-content {
     text-align: center;
     color: var(--text-primary);
+    display: flex;
+    flex-direction: column;
+    align-items: center;
+    gap: 1.5rem;
 }
 
 .loading-spinner {
-    width: 50px;
-    height: 50px;
-    border: 3px solid var(--text-primary);
+    width: 60px;
+    height: 60px;
+    border: 3px solid rgba(99, 102, 241, 0.3);
     border-radius: 50%;
-    border-top-color: transparent;
+    border-top-color: var(--primary-light);
     animation: spin 1s linear infinite;
-    margin: 0 auto 20px;
 }
 
 /* Analysis Modal */
@@ -45,93 +57,111 @@
     left: 0;
     width: 100%;
     height: 100%;
-    background: rgba(0, 0, 0, 0.8);
+    background: rgba(15, 23, 42, 0.8);
     display: flex;
     justify-content: center;
     align-items: center;
     z-index: 1000;
+    backdrop-filter: blur(8px);
 }
 
 .modal-content {
-    background: var(--bg-primary);
+    background: var(--card-background);
     width: 90%;
     max-width: 800px;
     max-height: 90vh;
-    border-radius: 8px;
+    border-radius: 1rem;
     overflow: hidden;
+    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
+    border: 1px solid var(--border-color);
+    animation: modalFadeIn 0.3s ease-out;
+}
+
+@keyframes modalFadeIn {
+    from { opacity: 0; transform: translateY(20px); }
+    to { opacity: 1; transform: translateY(0); }
 }
 
 .modal-header {
-    padding: 20px;
-    background: var(--bg-secondary);
     display: flex;
     justify-content: space-between;
     align-items: center;
-    border-bottom: 1px solid #333;
+    padding: 1.25rem 1.5rem;
+    background: var(--surface-dark);
+    border-bottom: 1px solid var(--border-color);
 }
 
-.modal-header h2 {
+.modal-title {
+    font-size: 1.25rem;
+    font-weight: 600;
     color: var(--text-primary);
-    margin: 0;
-}
-
-.modal-body {
-    padding: 20px;
-    overflow-y: auto;
-    max-height: calc(90vh - 80px);
-}
-
-.analysis-section {
-    background: var(--bg-secondary);
-    border-radius: 6px;
-    padding: 15px;
-    margin-bottom: 15px;
-}
-
-.analysis-section h3 {
-    color: var(--accent-color);
-    margin-bottom: 10px;
-}
-
-.analysis-section p {
-    color: var(--text-secondary);
-    line-height: 1.6;
 }
 
-/* Buttons */
 .close-btn {
-    background: none;
+    background: transparent;
     border: none;
-    color: var(--text-primary);
-    font-size: 24px;
+    color: var(--text-secondary);
+    font-size: 1.5rem;
     cursor: pointer;
-    padding: 0;
-    width: 30px;
-    height: 30px;
+    transition: color 0.2s ease;
     display: flex;
     align-items: center;
     justify-content: center;
+    width: 32px;
+    height: 32px;
     border-radius: 50%;
-    transition: background 0.3s;
 }
 
 .close-btn:hover {
+    color: var(--text-primary);
     background: rgba(255, 255, 255, 0.1);
 }
 
-.cancel-btn {
-    background: var(--bg-secondary);
-    border: none;
-    color: var(--text-primary);
-    padding: 8px 16px;
-    border-radius: 4px;
+.modal-body {
+    padding: 1.5rem;
+    overflow-y: auto;
+    max-height: calc(90vh - 130px);
+}
+
+.modal-footer {
+    display: flex;
+    justify-content: flex-end;
+    gap: 1rem;
+    padding: 1.25rem 1.5rem;
+    background: var(--surface-dark);
+    border-top: 1px solid var(--border-color);
+}
+
+.action-btn {
+    padding: 0.75rem 1.5rem;
+    border-radius: 0.5rem;
+    font-size: 0.9rem;
+    font-weight: 600;
     cursor: pointer;
-    margin-top: 15px;
-    transition: background 0.3s;
+    transition: all 0.2s ease;
+}
+
+.primary-btn {
+    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
+    color: white;
+    border: none;
+    box-shadow: 0 4px 12px rgba(79, 70, 229, 0.2);
+}
+
+.primary-btn:hover {
+    transform: translateY(-2px);
+    box-shadow: 0 6px 16px rgba(79, 70, 229, 0.3);
+}
+
+.cancel-btn {
+    background: transparent;
+    color: var(--text-secondary);
+    border: 1px solid var(--border-color);
 }
 
 .cancel-btn:hover {
-    background: #333;
+    background: rgba(255, 255, 255, 0.05);
+    color: var(--text-primary);
 }
 
 /* Error Message */
@@ -141,10 +171,11 @@
     right: 20px;
     background: var(--error-color);
     color: var(--text-primary);
-    padding: 12px 24px;
-    border-radius: 6px;
+    padding: 1rem 1.5rem;
+    border-radius: 0.75rem;
     z-index: 1001;
     animation: slideIn 0.3s ease-out;
+    box-shadow: 0 4px 20px rgba(239, 68, 68, 0.3);
 }
 
 /* Animations */
@@ -161,39 +192,43 @@
     max-width: 800px;
     margin: 2rem auto;
     background-color: var(--card-background);
-    border-radius: 15px;
+    border-radius: 1rem;
     padding: 2rem;
-    box-shadow: 0 4px 15px var(--shadow-color);
+    box-shadow: 0 4px 20px var(--shadow-color);
+    border: 1px solid var(--border-color);
 }
 
 .analysis-header {
     text-align: center;
     margin-bottom: 2rem;
-    padding-bottom: 1rem;
-    border-bottom: 2px solid #eee;
+    padding-bottom: 1.5rem;
+    border-bottom: 1px solid var(--border-color);
 }
 
 .analysis-header h2 {
-    color: var(--primary-color);
+    color: var(--primary-light);
     font-size: 1.8rem;
-    margin-bottom: 0.5rem;
+    margin-bottom: 0.75rem;
+    line-height: 1.3;
 }
 
 .analysis-section {
     margin-bottom: 2rem;
     padding: 1.5rem;
-    background-color: #f8f9fa;
-    border-radius: 10px;
+    background: rgba(15, 23, 42, 0.3);
+    border-radius: 0.75rem;
     transition: all 0.3s ease;
+    border: 1px solid var(--border-color);
 }
 
 .analysis-section:hover {
     transform: translateY(-2px);
     box-shadow: 0 4px 15px var(--shadow-color);
+    border-color: var(--primary-light);
 }
 
 .analysis-section h3 {
-    color: var(--secondary-color);
+    color: var(--text-primary);
     margin-bottom: 1rem;
     font-size: 1.3rem;
     display: flex;
@@ -203,23 +238,29 @@
 
 .analysis-section p {
     line-height: 1.8;
-    color: #4a4a4a;
+    color: var(--text-secondary);
+    font-size: 0.95rem;
 }
 
 .back-button {
     display: inline-block;
     padding: 0.8rem 1.5rem;
-    background-color: var(--secondary-color);
+    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
     color: white;
     text-decoration: none;
-    border-radius: 25px;
+    border-radius: 0.75rem;
     margin-top: 2rem;
     transition: all 0.3s ease;
+    font-weight: 600;
+    font-size: 0.9rem;
+    border: none;
+    cursor: pointer;
+    box-shadow: 0 4px 12px rgba(79, 70, 229, 0.2);
 }
 
 .back-button:hover {
     transform: translateY(-2px);
-    box-shadow: 0 4px 15px var(--shadow-color);
+    box-shadow: 0 6px 16px rgba(79, 70, 229, 0.3);
 }
 
 /* Loading Animation */
@@ -227,20 +268,140 @@
     display: flex;
     flex-direction: column;
     align-items: center;
-    gap: 1rem;
+    gap: 1.5rem;
     padding: 3rem;
 }
 
 .analysis-spinner {
     width: 60px;
     height: 60px;
-    border: 6px solid #f3f3f3;
-    border-top: 6px solid var(--secondary-color);
+    border: 4px solid rgba(99, 102, 241, 0.1);
+    border-top: 4px solid var(--primary-light);
     border-radius: 50%;
     animation: spin 1s linear infinite;
 }
 
-@keyframes spin {
-    0% { transform: rotate(0deg); }
-    100% { transform: rotate(360deg); }
+/* Analysis Tabs */
+.analysis-tabs {
+    display: flex;
+    gap: 0.5rem;
+    margin-bottom: 1.5rem;
+    border-bottom: 1px solid var(--border-color);
+    padding-bottom: 0.5rem;
+    overflow-x: auto;
+    -webkit-overflow-scrolling: touch;
+    justify-content: center;
+}
+
+.tab-button {
+    padding: 0.75rem 1.5rem;
+    background: rgba(30, 41, 59, 0.5);
+    border: 1px solid rgba(99, 102, 241, 0.2);
+    color: #a3b3cc;
+    font-size: 0.95rem;
+    font-weight: 500;
+    cursor: pointer;
+    border-radius: 0.5rem;
+    transition: all 0.25s ease;
+    white-space: nowrap;
+    min-width: max-content;
+    position: relative;
+    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
+    display: flex;
+    align-items: center;
+    justify-content: center;
+}
+
+.tab-button.active {
+    background: rgba(99, 102, 241, 0.15);
+    color: #ffffff;
+    font-weight: 600;
+    border-color: rgba(99, 102, 241, 0.5);
+    box-shadow: 0 2px 8px rgba(99, 102, 241, 0.2);
+    transform: translateY(-2px);
+}
+
+/* Active tab indicator */
+.tab-button.active::after {
+    content: '';
+    position: absolute;
+    bottom: -0.5rem;
+    left: 50%;
+    transform: translateX(-50%);
+    width: 60%;
+    height: 3px;
+    background: linear-gradient(90deg, rgba(99, 102, 241, 0.2), rgba(99, 102, 241, 0.8), rgba(99, 102, 241, 0.2));
+    border-radius: 3px;
+}
+
+.tab-button:hover:not(.active) {
+    background: rgba(99, 102, 241, 0.05);
+    color: #d1dce8;
+    transform: translateY(-1px);
+}
+
+.tab-button:focus {
+    outline: none;
+    box-shadow: 0 0 0 2px rgba(99, 102, 241, 0.3);
+}
+
+/* Tab Content */
+.tab-content {
+    display: none;
+    width: 100%;
+    animation: fadeIn 0.3s ease;
+}
+
+@keyframes fadeIn {
+    from { opacity: 0; transform: translateY(5px); }
+    to { opacity: 1; transform: translateY(0); }
+}
+
+/* Responsive adjustments */
+@media (max-width: 768px) {
+    .analysis-tabs {
+        padding-bottom: 0.75rem;
+        gap: 0.5rem;
+        justify-content: space-between;
+    }
+    
+    .tab-button {
+        padding: 0.75rem 1rem;
+        font-size: 0.9rem;
+        flex: 1;
+        text-align: center;
+        min-height: 45px;
+        display: flex;
+        align-items: center;
+        justify-content: center;
+    }
+    
+    /* Ensure tab content is properly sized on mobile */
+    .tab-content {
+        width: 100%;
+    }
+    
+    /* Improve chat container on mobile */
+    .chat-container {
+        height: 400px;
+        max-height: 70vh;
+    }
+}
+
+/* For very small screens */
+@media (max-width: 380px) {
+    .analysis-tabs {
+        flex-direction: column;
+        width: 100%;
+    }
+    
+    .tab-button {
+        width: 100%;
+        margin-bottom: 0.5rem;
+    }
+    
+    .tab-button.active::after {
+        width: 30%;
+        bottom: -0.25rem;
+    }
 }

static/auth.css

@@ -1,16 +1,21 @@
 :root {
-    --primary-color: #00FFA3;
-    --background-color: #13111C;
-    --card-background: #1E1B2E;
-    --text-color: #ffffff;
-    --error-color: #ff4444;
+    --primary-color: #6366f1;
+    --primary-light: #818cf8;
+    --primary-dark: #4f46e5;
+    --background-color: #0f172a;
+    --card-background: #1e293b;
+    --text-primary: rgba(255, 255, 255, 0.95);
+    --text-secondary: rgba(255, 255, 255, 0.7);
+    --error-color: #ef4444;
+    --border-color: rgba(255, 255, 255, 0.08);
+    --shadow-color: rgba(0, 0, 0, 0.25);
 }
 
 * {
     margin: 0;
     padding: 0;
     box-sizing: border-box;
-    font-family: 'Space Grotesk', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
+    font-family: 'Space Grotesk', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
 }
 
 body {
@@ -19,40 +24,50 @@ body {
     display: flex;
     align-items: center;
     justify-content: center;
+    padding: 1.5rem;
+    background-image: radial-gradient(circle at 10% 20%, rgba(99, 102, 241, 0.1) 0%, rgba(15, 23, 42, 0) 80%);
 }
 
 .auth-container {
     width: 100%;
     max-width: 420px;
-    padding: 20px;
 }
 
 .auth-card {
     background: var(--card-background);
-    padding: 40px;
-    border-radius: 20px;
-    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
+    padding: 2.5rem;
+    border-radius: 1.25rem;
+    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
+    border: 1px solid var(--border-color);
+    backdrop-filter: blur(10px);
+    animation: fadeIn 0.5s ease-out;
+}
+
+@keyframes fadeIn {
+    from { opacity: 0; transform: translateY(20px); }
+    to { opacity: 1; transform: translateY(0); }
 }
 
 .auth-title {
-    color: var(--primary-color);
-    font-size: 2.5rem;
+    color: var(--primary-light);
+    font-size: 2.25rem;
     text-align: center;
-    margin-bottom: 10px;
+    margin-bottom: 0.75rem;
     font-weight: 700;
+    letter-spacing: -0.5px;
 }
 
 .auth-subtitle {
-    color: var(--text-color);
+    color: var(--text-secondary);
     text-align: center;
-    opacity: 0.7;
-    margin-bottom: 30px;
+    margin-bottom: 2rem;
+    font-size: 1rem;
 }
 
 .auth-form {
     display: flex;
     flex-direction: column;
-    gap: 20px;
+    gap: 1.25rem;
 }
 
 .form-group {
@@ -61,76 +76,83 @@ body {
 
 .input-icon {
     position: absolute;
-    left: 15px;
+    left: 1rem;
     top: 50%;
     transform: translateY(-50%);
-    font-size: 1.2rem;
-    opacity: 0.7;
+    font-size: 1rem;
+    color: var(--text-secondary);
 }
 
 .auth-input {
     width: 100%;
-    padding: 15px 15px 15px 45px;
-    border: 1px solid rgba(255, 255, 255, 0.1);
-    border-radius: 10px;
-    background: rgba(255, 255, 255, 0.05);
-    color: var(--text-color);
+    background: rgba(15, 23, 42, 0.5);
+    border: 1px solid var(--border-color);
+    border-radius: 0.75rem;
+    padding: 1rem 1rem 1rem 2.75rem;
     font-size: 1rem;
-    transition: all 0.3s ease;
+    color: var(--text-primary);
+    transition: all 0.2s ease;
 }
 
 .auth-input:focus {
     outline: none;
-    border-color: var(--primary-color);
-    background: rgba(255, 255, 255, 0.1);
+    border-color: var(--primary-light);
+    box-shadow: 0 0 0 2px rgba(99, 102, 241, 0.2);
 }
 
 .auth-input::placeholder {
-    color: rgba(255, 255, 255, 0.5);
+    color: var(--text-secondary);
+    opacity: 0.7;
 }
 
 .auth-button {
-    background: var(--primary-color);
-    color: var(--background-color);
+    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
+    color: white;
     border: none;
-    padding: 15px;
-    border-radius: 10px;
+    padding: 1rem;
+    border-radius: 0.75rem;
     font-size: 1rem;
     font-weight: 600;
     cursor: pointer;
-    transition: all 0.3s ease;
-    margin-top: 10px;
+    transition: all 0.2s ease;
+    box-shadow: 0 4px 12px rgba(79, 70, 229, 0.2);
+    margin-top: 0.5rem;
 }
 
 .auth-button:hover {
     transform: translateY(-2px);
-    box-shadow: 0 4px 15px rgba(0, 255, 163, 0.4);
+    box-shadow: 0 6px 16px rgba(79, 70, 229, 0.3);
+}
+
+.auth-button:active {
+    transform: translateY(0);
 }
 
 .auth-footer {
     text-align: center;
-    color: var(--text-color);
-    margin-top: 30px;
+    color: var(--text-secondary);
+    margin-top: 2rem;
     font-size: 0.9rem;
-    opacity: 0.7;
 }
 
 .auth-link {
-    color: var(--primary-color);
+    color: var(--primary-light);
     text-decoration: none;
     font-weight: 600;
-    transition: all 0.3s ease;
+    transition: all 0.2s ease;
 }
 
 .auth-link:hover {
     opacity: 0.8;
+    text-decoration: underline;
 }
 
 .error-messages {
-    background: rgba(255, 68, 68, 0.1);
+    background: rgba(239, 68, 68, 0.1);
     border: 1px solid var(--error-color);
-    border-radius: 10px;
-    padding: 15px;
+    border-radius: 0.75rem;
+    padding: 1rem;
+    margin-bottom: 0.5rem;
 }
 
 .error-message {
@@ -142,10 +164,14 @@ body {
 /* Responsive Design */
 @media (max-width: 480px) {
     .auth-card {
-        padding: 30px 20px;
+        padding: 2rem 1.5rem;
     }
 
     .auth-title {
         font-size: 2rem;
     }
+    
+    .auth-input {
+        padding: 0.875rem 0.875rem 0.875rem 2.5rem;
+    }
 } 

static/script.js

@@ -44,37 +44,63 @@ document.addEventListener('DOMContentLoaded', function() {
     }
 }); 
 function createPaperCard(paper) {
-    return `
-        <div class="paper-card">
-            <h2 class="paper-title">${paper.title}</h2>
-            <div class="paper-authors">
-                ${paper.authors.split(', ').map(author => 
-                    `<span class="author-name">${author}</span>`
-                ).join('')}
-            </div>
-            <div class="paper-abstract">
-                ${paper.abstract}
+    // Create the card element
+    const cardElement = document.createElement('div');
+    cardElement.className = 'paper-card';
+    
+    // Set the inner HTML with the paper details
+    cardElement.innerHTML = `
+        <h2 class="paper-title">${escapeHtml(paper.title)}</h2>
+        <div class="paper-authors">
+            ${paper.authors.split(', ').map(author => 
+                `<span class="author-name">${escapeHtml(author)}</span>`
+            ).join('')}
+        </div>
+        <div class="paper-abstract">
+            ${escapeHtml(paper.abstract)}
+        </div>
+        <div class="paper-meta">
+            <div class="meta-info">
+                <span class="meta-item">
+                    <span class="meta-icon">📅</span>
+                    ${paper.published}
+                </span>
+                <span class="meta-item">
+                    <span class="meta-icon">🏷️</span>
+                    ${paper.category || 'N/A'}
+                </span>
             </div>
-            <div class="paper-meta">
-                <div class="meta-info">
-                    <span class="meta-item">
-                        <span class="meta-icon">📅</span>
-                        ${paper.published}
-                    </span>
-                    <span class="meta-item">
-                        <span class="meta-icon">🏷️</span>
-                        ${paper.categories.join(', ')}
-                    </span>
-                </div>
-                <div class="paper-actions">
-                    <button onclick="analyzeWithAI('${paper.pdf_link}')" class="action-button analyze-btn">
-                        <span>🔍</span> Analyze with AI
-                    </button>
-                    <button onclick="downloadPaper('${paper.pdf_link}', '${paper.title}')" class="action-button download-btn">
-                        <span>📥</span> Download PDF
-                    </button>
-                </div>
+            <div class="paper-actions">
+                <button class="action-button analyze-btn">
+                    <span>🔍</span> Analyze with AI
+                </button>
+                <button class="action-button download-btn">
+                    <span>📥</span> Download PDF
+                </button>
             </div>
         </div>
     `;
+    
+    // Add event listeners directly to the buttons
+    const analyzeButton = cardElement.querySelector('.analyze-btn');
+    analyzeButton.addEventListener('click', () => {
+        analyzeWithAI(paper.pdf_link);
+    });
+    
+    const downloadButton = cardElement.querySelector('.download-btn');
+    downloadButton.addEventListener('click', () => {
+        downloadPaper(paper.pdf_link, paper.title);
+    });
+    
+    return cardElement;
+}
+
+// Make sure the escapeHtml function is available
+function escapeHtml(unsafe) {
+    return unsafe
+        .replace(/&/g, "&amp;")
+        .replace(/</g, "&lt;")
+        .replace(/>/g, "&gt;")
+        .replace(/"/g, "&quot;")
+        .replace(/'/g, "&#039;");
 }

static/search.js

@@ -16,6 +16,9 @@ let searchState = {
     lastQuery: null
 };
 
+// Add missing sortBy variable
+let sortBy = 'relevance'; // Default sort option
+
 // Utility Functions
 function getCsrfToken() {
     return document.querySelector('meta[name="csrf-token"]').getAttribute('content');
@@ -36,7 +39,6 @@ function hideLoading() {
 // Search Functionality
 async function performSearch() {
     const searchQuery = document.getElementById('searchInput').value.trim();
-    const sortBy = document.getElementById('sortBy').value;
     const maxResults = parseInt(document.getElementById('maxResults').value);
 
     if (!searchQuery) {
@@ -90,22 +92,9 @@ async function performSearch() {
         const resultsGrid = document.createElement('div');
         resultsGrid.className = 'results-grid';
 
-        // Add each paper to the grid
+        // Add each paper to the grid using the new function
         data.forEach(paper => {
-            const paperCard = document.createElement('div');
-            paperCard.className = 'paper-card';
-            paperCard.innerHTML = `
-                <h3 class="paper-title">${escapeHtml(paper.title)}</h3>
-                <p class="paper-authors">Authors: ${escapeHtml(paper.authors)}</p>
-                <p class="paper-category">Category: ${escapeHtml(paper.category)}</p>
-                <p class="paper-date">Published: ${escapeHtml(paper.published)}</p>
-                <p class="paper-abstract">${escapeHtml(paper.abstract.substring(0, 200))}...</p>
-                <div class="paper-actions">
-                    <a href="${paper.pdf_link}" target="_blank" class="action-button pdf-button">PDF</a>
-                    <a href="${paper.arxiv_link}" target="_blank" class="action-button arxiv-button">ARXIV</a>
-                    <button onclick="analyzePaper('${paper.pdf_link}', '${escapeHtml(paper.title)}')" class="action-button analyze">Analyze</button>
-                </div>
-            `;
+            const paperCard = createPaperCard(paper);
             resultsGrid.appendChild(paperCard);
         });
 
@@ -206,7 +195,7 @@ async function analyzePaper(pdfUrl, paperTitle) {
             throw new Error(data.error);
         }
 
-        // Show results section
+        // Show results section with enhanced tab styling
         const resultsSection = document.getElementById('resultsSection');
         resultsSection.innerHTML = `
             <div class="analysis-container">
@@ -217,60 +206,98 @@ async function analyzePaper(pdfUrl, paperTitle) {
                     <h2 class="current-paper-title">${paperTitle}</h2>
                 </div>
                 
-                <div class="analysis-tabs">
+                <div style="display: flex; gap: 0.75rem; margin-bottom: 2rem; padding: 0.5rem; background: rgba(15, 23, 42, 0.6); border-radius: 0.75rem; box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15), inset 0 1px 0 rgba(255, 255, 255, 0.07); backdrop-filter: blur(10px); border: 1px solid rgba(99, 102, 241, 0.15); flex-wrap: wrap;">
                     <button id="paperAnalysisTab" 
-                            class="tab-button active" 
-                            onclick="switchPaperTab('analysis')">
+                            style="flex: 1; min-width: 140px; padding: 0.85rem 1rem; background: linear-gradient(135deg, rgba(99, 102, 241, 0.25) 0%, rgba(79, 70, 229, 0.35) 100%); color: #ffffff; font-size: 0.95rem; font-weight: 600; cursor: pointer; border-radius: 0.6rem; transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1); white-space: nowrap; position: relative; box-shadow: 0 2px 10px rgba(99, 102, 241, 0.25), inset 0 1px 0 rgba(255, 255, 255, 0.1); border: none; outline: none; text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2); letter-spacing: 0.3px; display: flex; align-items: center; justify-content: center; gap: 0.5rem;"
+                            onclick="document.getElementById('analysisContent').style.display='block'; 
+                                     document.getElementById('chatContent').style.display='none';
+                                     this.style.background='linear-gradient(135deg, rgba(99, 102, 241, 0.25) 0%, rgba(79, 70, 229, 0.35) 100%)';
+                                     this.style.boxShadow='0 2px 10px rgba(99, 102, 241, 0.25), inset 0 1px 0 rgba(255, 255, 255, 0.1)';
+                                     this.style.color='#ffffff';
+                                     document.getElementById('chatWithPaperTab').style.background='rgba(30, 41, 59, 0.4)';
+                                     document.getElementById('chatWithPaperTab').style.boxShadow='none';
+                                     document.getElementById('chatWithPaperTab').style.color='rgba(255, 255, 255, 0.6)';">
+                        <svg xmlns="http://www.w3.org/2000/svg" width="18" height="18" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M14 2H6a2 2 0 0 0-2 2v16a2 2 0 0 0 2 2h12a2 2 0 0 0 2-2V8z"></path><polyline points="14 2 14 8 20 8"></polyline><line x1="16" y1="13" x2="8" y2="13"></line><line x1="16" y1="17" x2="8" y2="17"></line><polyline points="10 9 9 9 8 9"></polyline></svg>
                         Paper Analysis
                     </button>
                     <button id="chatWithPaperTab" 
-                            class="tab-button" 
-                            onclick="switchPaperTab('chat')">
+                            style="flex: 1; min-width: 140px; padding: 0.85rem 1rem; background: rgba(30, 41, 59, 0.4); color: rgba(255, 255, 255, 0.6); font-size: 0.95rem; font-weight: 600; cursor: pointer; border-radius: 0.6rem; transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1); white-space: nowrap; position: relative; box-shadow: none; border: none; outline: none; letter-spacing: 0.3px; display: flex; align-items: center; justify-content: center; gap: 0.5rem;"
+                            onclick="document.getElementById('chatContent').style.display='block';
+                                     document.getElementById('analysisContent').style.display='none';
+                                     this.style.background='linear-gradient(135deg, rgba(99, 102, 241, 0.25) 0%, rgba(79, 70, 229, 0.35) 100%)';
+                                     this.style.boxShadow='0 2px 10px rgba(99, 102, 241, 0.25), inset 0 1px 0 rgba(255, 255, 255, 0.1)';
+                                     this.style.color='#ffffff';
+                                     document.getElementById('paperAnalysisTab').style.background='rgba(30, 41, 59, 0.4)';
+                                     document.getElementById('paperAnalysisTab').style.boxShadow='none';
+                                     document.getElementById('paperAnalysisTab').style.color='rgba(255, 255, 255, 0.6)';">
+                        <svg xmlns="http://www.w3.org/2000/svg" width="18" height="18" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M21 15a2 2 0 0 1-2 2H7l-4 4V5a2 2 0 0 1 2-2h14a2 2 0 0 1 2 2z"></path><path d="M13 8l-5 5"></path><path d="M13 13l-5-5"></path></svg>
                         Chat with Paper
                     </button>
                 </div>
 
-                <div id="analysisContent" class="tab-content active">
+                <div id="analysisContent" style="display: block; width: 100%; animation: fadeIn 0.4s cubic-bezier(0.4, 0, 0.2, 1);">
                     <div class="analysis-section">
-                        <h3>Research Paper Analysis</h3>
-                        <div class="analysis-content">
+                        <h3 style="font-size: 1.5rem; margin-bottom: 1.25rem; color: #f8fafc; font-weight: 600; display: flex; align-items: center; gap: 0.5rem;">
+                            <svg xmlns="http://www.w3.org/2000/svg" width="22" height="22" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><circle cx="12" cy="12" r="10"></circle><line x1="12" y1="16" x2="12" y2="12"></line><line x1="12" y1="8" x2="12.01" y2="8"></line></svg>
+                            Research Paper Analysis
+                        </h3>
+                        <div class="analysis-content" style="background: rgba(15, 23, 42, 0.4); padding: 1.5rem; border-radius: 0.75rem; box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1), inset 0 1px 0 rgba(255, 255, 255, 0.05); border: 1px solid rgba(99, 102, 241, 0.1);">
                             ${marked.parse(data.analysis.executive_summary)}
                         </div>
                     </div>
                 </div>
 
-                <div id="chatContent" class="tab-content">
-                    <div class="chat-container">
-                        <div class="quick-questions">
-                            <button class="quick-question-btn" onclick="handleQuickQuestion('What are the main findings?')">
+                <div id="chatContent" style="display: none; width: 100%; animation: fadeIn 0.4s cubic-bezier(0.4, 0, 0.2, 1);">
+                    <div class="chat-container" style="background: rgba(15, 23, 42, 0.4); border-radius: 0.75rem; box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1), inset 0 1px 0 rgba(255, 255, 255, 0.05); border: 1px solid rgba(99, 102, 241, 0.1); overflow: hidden; display: flex; flex-direction: column; height: 500px;">
+                        <div class="quick-questions" style="padding: 1rem; display: flex; gap: 0.5rem; overflow-x: auto; border-bottom: 1px solid rgba(255, 255, 255, 0.05); background: rgba(15, 23, 42, 0.6);">
+                            <button class="quick-question-btn" style="padding: 0.6rem 1rem; background: rgba(99, 102, 241, 0.15); color: #d1d5db; border: 1px solid rgba(99, 102, 241, 0.2); border-radius: 2rem; font-size: 0.85rem; white-space: nowrap; transition: all 0.2s ease; cursor: pointer;" 
+                                    onclick="handleQuickQuestion('What are the main findings?')"
+                                    onmouseover="this.style.background='rgba(99, 102, 241, 0.25)'; this.style.color='white';"
+                                    onmouseout="this.style.background='rgba(99, 102, 241, 0.15)'; this.style.color='#d1d5db';">
                                 What are the main findings?
                             </button>
-                            <button class="quick-question-btn" onclick="handleQuickQuestion('Explain the methodology')">
+                            <button class="quick-question-btn" style="padding: 0.6rem 1rem; background: rgba(99, 102, 241, 0.15); color: #d1d5db; border: 1px solid rgba(99, 102, 241, 0.2); border-radius: 2rem; font-size: 0.85rem; white-space: nowrap; transition: all 0.2s ease; cursor: pointer;"
+                                    onclick="handleQuickQuestion('Explain the methodology')"
+                                    onmouseover="this.style.background='rgba(99, 102, 241, 0.25)'; this.style.color='white';"
+                                    onmouseout="this.style.background='rgba(99, 102, 241, 0.15)'; this.style.color='#d1d5db';">
                                 Explain the methodology
                             </button>
-                            <button class="quick-question-btn" onclick="handleQuickQuestion('Key contributions?')">
+                            <button class="quick-question-btn" style="padding: 0.6rem 1rem; background: rgba(99, 102, 241, 0.15); color: #d1d5db; border: 1px solid rgba(99, 102, 241, 0.2); border-radius: 2rem; font-size: 0.85rem; white-space: nowrap; transition: all 0.2s ease; cursor: pointer;"
+                                    onclick="handleQuickQuestion('Key contributions?')"
+                                    onmouseover="this.style.background='rgba(99, 102, 241, 0.25)'; this.style.color='white';"
+                                    onmouseout="this.style.background='rgba(99, 102, 241, 0.15)'; this.style.color='#d1d5db';">
                                 Key contributions?
                             </button>
-                            <button class="quick-question-btn" onclick="handleQuickQuestion('Future research directions?')">
+                            <button class="quick-question-btn" style="padding: 0.6rem 1rem; background: rgba(99, 102, 241, 0.15); color: #d1d5db; border: 1px solid rgba(99, 102, 241, 0.2); border-radius: 2rem; font-size: 0.85rem; white-space: nowrap; transition: all 0.2s ease; cursor: pointer;"
+                                    onclick="handleQuickQuestion('Future research directions?')"
+                                    onmouseover="this.style.background='rgba(99, 102, 241, 0.25)'; this.style.color='white';"
+                                    onmouseout="this.style.background='rgba(99, 102, 241, 0.15)'; this.style.color='#d1d5db';">
                                 Future research directions?
                             </button>
                         </div>
-                        <div class="chat-messages" id="chatMessages">
-                            <div class="message-wrapper">
-                                <div class="message-avatar ai-avatar">AI</div>
-                                <div class="message ai-message">
+                        <div class="chat-messages" id="chatMessages" style="flex: 1; overflow-y: auto; padding: 1.25rem; display: flex; flex-direction: column; gap: 1rem;">
+                            <div class="message-wrapper" style="display: flex; gap: 0.75rem; max-width: 85%;">
+                                <div class="message-avatar ai-avatar" style="width: 36px; height: 36px; border-radius: 50%; background: linear-gradient(135deg, #6366f1 0%, #4f46e5 100%); display: flex; align-items: center; justify-content: center; font-weight: 600; color: white; font-size: 0.85rem; flex-shrink: 0;">AI</div>
+                                <div class="message ai-message" style="background: rgba(30, 41, 59, 0.6); padding: 1rem; border-radius: 0 1rem 1rem 1rem; color: #e2e8f0; font-size: 0.95rem; line-height: 1.5; box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1); border: 1px solid rgba(99, 102, 241, 0.1);">
                                     Hello! I'm here to help you understand this research paper better. 
                                     Feel free to ask any questions about the paper's content, methodology, 
                                     findings, or implications.
                                 </div>
                             </div>
                         </div>
-                        <div class="chat-input-area">
+                        <div class="chat-input-area" style="padding: 1rem; border-top: 1px solid rgba(255, 255, 255, 0.05); background: rgba(15, 23, 42, 0.6); display: flex; gap: 0.75rem;">
                             <input type="text" 
                                    class="chat-input" 
                                    placeholder="Ask a question about the paper..." 
-                                   id="chatInput">
-                            <button class="chat-send-button" onclick="sendMessage()">
+                                   id="chatInput"
+                                   style="flex: 1; padding: 0.85rem 1.25rem; background: rgba(30, 41, 59, 0.6); border: 1px solid rgba(99, 102, 241, 0.2); border-radius: 0.5rem; color: white; font-size: 0.95rem; outline: none; transition: all 0.2s ease;"
+                                   onfocus="this.style.borderColor='rgba(99, 102, 241, 0.5)'; this.style.boxShadow='0 0 0 2px rgba(99, 102, 241, 0.15)';"
+                                   onblur="this.style.borderColor='rgba(99, 102, 241, 0.2)'; this.style.boxShadow='none';">
+                            <button class="chat-send-button" 
+                                    onclick="sendMessage()"
+                                    style="padding: 0.85rem 1.5rem; background: linear-gradient(135deg, #6366f1 0%, #4f46e5 100%); color: white; border: none; border-radius: 0.5rem; font-weight: 600; cursor: pointer; display: flex; align-items: center; gap: 0.5rem; transition: all 0.2s ease; box-shadow: 0 2px 5px rgba(99, 102, 241, 0.3);"
+                                    onmouseover="this.style.transform='translateY(-2px)'; this.style.boxShadow='0 4px 12px rgba(99, 102, 241, 0.4)';"
+                                    onmouseout="this.style.transform='translateY(0)'; this.style.boxShadow='0 2px 5px rgba(99, 102, 241, 0.3)';">
                                 <span>Send</span>
                                 <svg width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2">
                                     <path d="M22 2L11 13M22 2l-7 20-4-9-9-4 20-7z"/>
@@ -282,6 +309,26 @@ async function analyzePaper(pdfUrl, paperTitle) {
             </div>
         `;
 
+        // Add event listener for Enter key in chat input
+        const chatInput = document.getElementById('chatInput');
+        if (chatInput) {
+            chatInput.addEventListener('keypress', (e) => {
+                if (e.key === 'Enter') {
+                    sendMessage();
+                }
+            });
+        }
+
+        // Add animation keyframes
+        const style = document.createElement('style');
+        style.textContent = `
+            @keyframes fadeIn {
+                from { opacity: 0; transform: translateY(10px); }
+                to { opacity: 1; transform: translateY(0); }
+            }
+        `;
+        document.head.appendChild(style);
+
     } catch (error) {
         console.error('Analysis error:', error);
         document.getElementById('resultsSection').innerHTML = `
@@ -294,43 +341,28 @@ async function analyzePaper(pdfUrl, paperTitle) {
     }
 }
 
-// Function to switch between paper analysis and chat tabs
-function switchPaperTab(tab) {
-    const analysisBtnTab = document.getElementById('paperAnalysisTab');
-    const chatBtnTab = document.getElementById('chatWithPaperTab');
-    const analysisContent = document.getElementById('analysisContent');
-    const chatContent = document.getElementById('chatContent');
-
-    if (tab === 'analysis') {
-        analysisBtnTab.classList.add('active');
-        chatBtnTab.classList.remove('active');
-        analysisContent.classList.add('active');
-        chatContent.classList.remove('active');
-    } else {
-        chatBtnTab.classList.add('active');
-        analysisBtnTab.classList.remove('active');
-        chatContent.classList.add('active');
-        analysisContent.classList.remove('active');
-    }
-}
-
-// Function to handle chat messages
+// Chat functionality
 async function sendMessage() {
     const chatInput = document.getElementById('chatInput');
-    const question = chatInput.value.trim();
+    const userMessage = chatInput.value.trim();
     
-    if (!question || !currentPaperState.pdfUrl) return;
-
-    // Add user message
-    addMessage(question, true);
-
-    // Add AI thinking message with unique ID
-    const thinkingId = `thinking-${Date.now()}`;
-    const thinkingDiv = addThinkingMessage(thinkingId);
-
+    if (!userMessage) return;
+    
+    // Clear input
     chatInput.value = '';
     
+    // Add user message to chat
+    addMessageToChat('user', userMessage);
+    
+    // Show typing indicator
+    addTypingIndicator();
+    
     try {
+        console.log('Sending chat request with:', {
+            question: userMessage,
+            pdf_url: currentPaperState.pdfUrl
+        });
+        
         const response = await fetch('/chat-with-paper', {
             method: 'POST',
             headers: {
@@ -338,31 +370,429 @@ async function sendMessage() {
                 'X-CSRFToken': getCsrfToken()
             },
             body: JSON.stringify({
-                pdf_url: currentPaperState.pdfUrl,
-                question: question
+                question: userMessage,  // Changed from message to question
+                pdf_url: currentPaperState.pdfUrl
+                // Removed title parameter as it's not required by the backend
             })
         });
-
+        
+        // Remove typing indicator
+        removeTypingIndicator();
+        
+        if (!response.ok) {
+            const errorText = await response.text();
+            console.error('Server error response:', errorText);
+            throw new Error(`Server error: ${response.status} - ${errorText}`);
+        }
+        
         const data = await response.json();
-
-        // Remove thinking indicator before adding response
-        removeThinkingMessage(thinkingId);
-
+        console.log('Received chat response:', data);
+        
         if (data.error) {
             throw new Error(data.error);
         }
-
-        // Add AI response
-        addMessage(data.response, false);
-
+        
+        // Add AI response to chat
+        addMessageToChat('ai', data.response || data.message || data.answer || "I couldn't generate a proper response.");
+        
+        // Scroll to bottom of chat
+        const chatMessages = document.getElementById('chatMessages');
+        if (chatMessages) {
+            chatMessages.scrollTop = chatMessages.scrollHeight;
+        }
+        
     } catch (error) {
         console.error('Chat error:', error);
-        // Remove thinking indicator
-        removeThinkingMessage(thinkingId);
-        addMessage(`Error: ${error.message}`, false);
+        removeTypingIndicator();
+        addMessageToChat('ai', `I'm sorry, I encountered an error: ${error.message}. Please try again.`);
+    }
+}
+
+// Handle quick questions
+function handleQuickQuestion(question) {
+    const chatInput = document.getElementById('chatInput');
+    if (chatInput) {
+        chatInput.value = question;
+        sendMessage();
+    }
+}
+
+// Add message to chat
+function addMessageToChat(sender, message) {
+    const chatMessages = document.getElementById('chatMessages');
+    if (!chatMessages) return;
+    
+    const messageWrapper = document.createElement('div');
+    messageWrapper.className = 'message-wrapper';
+    
+    const avatar = document.createElement('div');
+    avatar.className = sender === 'user' ? 'message-avatar user-avatar' : 'message-avatar ai-avatar';
+    avatar.textContent = sender === 'user' ? 'You' : 'AI';
+    
+    const messageElement = document.createElement('div');
+    messageElement.className = sender === 'user' ? 'message user-message' : 'message ai-message';
+    
+    // Safely handle the message content
+    if (typeof message === 'string') {
+        // For AI messages, use marked to parse markdown
+        if (sender === 'ai') {
+            try {
+                messageElement.innerHTML = marked.parse(message);
+            } catch (e) {
+                console.error('Error parsing markdown:', e);
+                messageElement.textContent = message;
+            }
+        } else {
+            // For user messages, just use text
+            messageElement.textContent = message;
+        }
+    } else {
+        // Handle non-string messages safely
+        messageElement.textContent = JSON.stringify(message);
+    }
+    
+    messageWrapper.appendChild(avatar);
+    messageWrapper.appendChild(messageElement);
+    chatMessages.appendChild(messageWrapper);
+    
+    // Scroll to bottom
+    chatMessages.scrollTop = chatMessages.scrollHeight;
+    
+    // Add improved message styling if it doesn't exist
+    if (!document.getElementById('improved-message-style')) {
+        const style = document.createElement('style');
+        style.id = 'improved-message-style';
+        style.textContent = `
+            .message-wrapper {
+                display: flex;
+                margin-bottom: 16px;
+                max-width: 100%;
+                animation: fadeIn 0.3s ease;
+            }
+            
+            .message-avatar {
+                width: 36px;
+                height: 36px;
+                border-radius: 50%;
+                display: flex;
+                align-items: center;
+                justify-content: center;
+                font-weight: 600;
+                font-size: 0.85rem;
+                flex-shrink: 0;
+                margin-right: 12px;
+            }
+            
+            .user-avatar {
+                background: linear-gradient(135deg, #10b981 0%, #059669 100%);
+                color: white;
+            }
+            
+            .ai-avatar {
+                background: linear-gradient(135deg, #6366f1 0%, #4f46e5 100%);
+                color: white;
+            }
+            
+            .message {
+                padding: 16px;
+                border-radius: 12px;
+                font-size: 0.95rem;
+                line-height: 1.6;
+                max-width: calc(100% - 60px);
+                overflow-wrap: break-word;
+                box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
+            }
+            
+            .user-message {
+                background: rgba(16, 185, 129, 0.1);
+                color: #e2e8f0;
+                border: 1px solid rgba(16, 185, 129, 0.2);
+                border-radius: 12px 12px 2px 12px;
+                align-self: flex-end;
+            }
+            
+            .ai-message {
+                background: rgba(99, 102, 241, 0.1);
+                color: #e2e8f0;
+                border: 1px solid rgba(99, 102, 241, 0.2);
+                border-radius: 2px 12px 12px 12px;
+            }
+            
+            /* Style for markdown content in AI messages */
+            .ai-message p {
+                margin: 0 0 12px 0;
+            }
+            
+            .ai-message p:last-child {
+                margin-bottom: 0;
+            }
+            
+            .ai-message ul, .ai-message ol {
+                margin: 12px 0;
+                padding-left: 24px;
+            }
+            
+            .ai-message li {
+                margin-bottom: 6px;
+            }
+            
+            .ai-message h1, .ai-message h2, .ai-message h3, .ai-message h4 {
+                margin: 16px 0 12px 0;
+                font-weight: 600;
+                line-height: 1.3;
+            }
+            
+            .ai-message h1 {
+                font-size: 1.4rem;
+            }
+            
+            .ai-message h2 {
+                font-size: 1.3rem;
+            }
+            
+            .ai-message h3 {
+                font-size: 1.2rem;
+            }
+            
+            .ai-message h4 {
+                font-size: 1.1rem;
+            }
+            
+            .ai-message code {
+                background: rgba(30, 41, 59, 0.5);
+                padding: 2px 6px;
+                border-radius: 4px;
+                font-family: monospace;
+                font-size: 0.9em;
+            }
+            
+            .ai-message pre {
+                background: rgba(30, 41, 59, 0.5);
+                padding: 12px;
+                border-radius: 8px;
+                overflow-x: auto;
+                margin: 12px 0;
+                border: 1px solid rgba(99, 102, 241, 0.2);
+            }
+            
+            .ai-message pre code {
+                background: transparent;
+                padding: 0;
+                border-radius: 0;
+                display: block;
+                line-height: 1.5;
+            }
+            
+            .ai-message blockquote {
+                border-left: 4px solid rgba(99, 102, 241, 0.4);
+                padding-left: 12px;
+                margin: 12px 0;
+                font-style: italic;
+                color: #94a3b8;
+            }
+            
+            .ai-message a {
+                color: #818cf8;
+                text-decoration: underline;
+                text-underline-offset: 2px;
+            }
+            
+            .ai-message a:hover {
+                color: #a5b4fc;
+            }
+            
+            .ai-message table {
+                border-collapse: collapse;
+                width: 100%;
+                margin: 16px 0;
+                font-size: 0.9em;
+            }
+            
+            .ai-message th, .ai-message td {
+                border: 1px solid rgba(99, 102, 241, 0.2);
+                padding: 8px 12px;
+                text-align: left;
+            }
+            
+            .ai-message th {
+                background: rgba(99, 102, 241, 0.1);
+                font-weight: 600;
+            }
+            
+            /* Responsive adjustments */
+            @media (max-width: 768px) {
+                .message {
+                    padding: 14px;
+                    font-size: 0.9rem;
+                    line-height: 1.5;
+                }
+                
+                .message-avatar {
+                    width: 32px;
+                    height: 32px;
+                    font-size: 0.75rem;
+                    margin-right: 10px;
+                }
+                
+                .ai-message pre {
+                    padding: 10px;
+                }
+            }
+        `;
+        document.head.appendChild(style);
+    }
+}
+
+// Add typing indicator
+function addTypingIndicator() {
+    const chatMessages = document.getElementById('chatMessages');
+    if (!chatMessages) return;
+    
+    const typingIndicator = document.createElement('div');
+    typingIndicator.className = 'message-wrapper typing-indicator';
+    typingIndicator.innerHTML = `
+        <div class="message-avatar ai-avatar">AI</div>
+        <div class="message ai-message typing-message">
+            <div class="typing-dots">
+                <span></span>
+                <span></span>
+                <span></span>
+            </div>
+        </div>
+    `;
+    
+    chatMessages.appendChild(typingIndicator);
+    chatMessages.scrollTop = chatMessages.scrollHeight;
+    
+    // Add the CSS for the typing animation if it doesn't exist
+    if (!document.getElementById('typing-animation-style')) {
+        const style = document.createElement('style');
+        style.id = 'typing-animation-style';
+        style.textContent = `
+            .typing-message {
+                padding: 10px 15px;
+                min-height: 20px;
+                display: flex;
+                align-items: center;
+            }
+            
+            .typing-dots {
+                display: flex;
+                align-items: center;
+                height: 20px;
+            }
+            
+            .typing-dots span {
+                display: inline-block;
+                width: 8px;
+                height: 8px;
+                border-radius: 50%;
+                background-color: rgba(255, 255, 255, 0.7);
+                margin: 0 3px;
+                animation: typingAnimation 1.4s infinite ease-in-out;
+            }
+            
+            .typing-dots span:nth-child(1) {
+                animation-delay: 0s;
+            }
+            
+            .typing-dots span:nth-child(2) {
+                animation-delay: 0.2s;
+            }
+            
+            .typing-dots span:nth-child(3) {
+                animation-delay: 0.4s;
+            }
+            
+            @keyframes typingAnimation {
+                0%, 60%, 100% {
+                    transform: translateY(0);
+                    opacity: 0.6;
+                }
+                30% {
+                    transform: translateY(-5px);
+                    opacity: 1;
+                }
+            }
+            
+            /* Make the typing indicator look better on mobile */
+            @media (max-width: 768px) {
+                .typing-dots span {
+                    width: 6px;
+                    height: 6px;
+                    margin: 0 2px;
+                }
+                
+                .typing-message {
+                    padding: 8px 12px;
+                }
+            }
+        `;
+        document.head.appendChild(style);
+    }
+}
+
+// Remove typing indicator
+function removeTypingIndicator() {
+    const typingIndicator = document.querySelector('.typing-indicator');
+    if (typingIndicator) {
+        // Add a fade-out effect
+        typingIndicator.style.transition = 'opacity 0.3s ease';
+        typingIndicator.style.opacity = '0';
+        
+        // Remove after animation completes
+        setTimeout(() => {
+            if (typingIndicator.parentNode) {
+                typingIndicator.parentNode.removeChild(typingIndicator);
+            }
+        }, 300);
     }
 }
 
+// Create chat interface HTML
+function createChatInterface() {
+    return `
+        <div class="chat-container">
+            <div class="quick-questions">
+                <button class="quick-question-btn" onclick="handleQuickQuestion('What are the main findings?')">
+                    Main findings
+                </button>
+                <button class="quick-question-btn" onclick="handleQuickQuestion('Explain the methodology')">
+                    Methodology
+                </button>
+                <button class="quick-question-btn" onclick="handleQuickQuestion('Key contributions?')">
+                    Key contributions
+                </button>
+                <button class="quick-question-btn" onclick="handleQuickQuestion('Future research directions?')">
+                    Future directions
+                </button>
+            </div>
+            <div class="chat-messages" id="chatMessages">
+                <div class="message-wrapper">
+                    <div class="message-avatar ai-avatar">AI</div>
+                    <div class="message ai-message">
+                        Hello! I'm here to help you understand this research paper better. 
+                        Feel free to ask any questions about the paper's content, methodology, 
+                        findings, or implications.
+                    </div>
+                </div>
+            </div>
+            <div class="chat-input-area">
+                <input type="text" 
+                       class="chat-input" 
+                       placeholder="Ask a question about the paper..." 
+                       id="chatInput">
+                <button class="chat-send-button" onclick="sendMessage()">
+                    <span>Send</span>
+                    <svg width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2">
+                        <path d="M22 2L11 13M22 2l-7 20-4-9-9-4 20-7z"/>
+                    </svg>
+                </button>
+            </div>
+        </div>
+    `;
+}
+
 // Navigation Functions
 function showHome() {
     hideAllSections();
@@ -494,22 +924,9 @@ function backToSearchResults() {
         const resultsGrid = document.createElement('div');
         resultsGrid.className = 'results-grid';
 
-        // Recreate the results from the saved state
+        // Recreate the results from the saved state using the new function
         searchState.lastResults.forEach(paper => {
-            const paperCard = document.createElement('div');
-            paperCard.className = 'paper-card';
-            paperCard.innerHTML = `
-                <h3 class="paper-title">${escapeHtml(paper.title)}</h3>
-                <p class="paper-authors">Authors: ${escapeHtml(paper.authors)}</p>
-                <p class="paper-category">Category: ${escapeHtml(paper.category)}</p>
-                <p class="paper-date">Published: ${escapeHtml(paper.published)}</p>
-                <p class="paper-abstract">${escapeHtml(paper.abstract.substring(0, 200))}...</p>
-                <div class="paper-actions">
-                    <a href="${paper.pdf_link}" target="_blank" class="action-button pdf-button">PDF</a>
-                    <a href="${paper.arxiv_link}" target="_blank" class="action-button arxiv-button">ARXIV</a>
-                    <button onclick="analyzePaper('${paper.pdf_link}', '${escapeHtml(paper.title)}')" class="action-button analyze">Analyze</button>
-                </div>
-            `;
+            const paperCard = createPaperCard(paper);
             resultsGrid.appendChild(paperCard);
         });
 
@@ -591,10 +1008,6 @@ function initializeSearchInterface() {
                     placeholder="Enter research paper title"
                     autocomplete="off"
                 >
-                <select id="sortBy" class="filter-select">
-                    <option value="relevance">Sort by Relevance</option>
-                    <option value="lastUpdated">Sort by Last Updated</option>
-                </select>
                 <select id="maxResults" class="filter-select">
                     <option value="10">10 results</option>
                     <option value="25">25 results</option>
@@ -620,117 +1033,6 @@ function initializeSearchInterface() {
     }
 }
 
-function createChatInterface() {
-    return `
-        <div class="chat-container">
-            <div class="quick-questions">
-                <button class="quick-question-btn" onclick="handleQuickQuestion('What are the main findings?')">
-                    What are the main findings?
-                </button>
-                <button class="quick-question-btn" onclick="handleQuickQuestion('Explain the methodology')">
-                    Explain the methodology
-                </button>
-                <button class="quick-question-btn" onclick="handleQuickQuestion('Key contributions?')">
-                    Key contributions?
-                </button>
-                <button class="quick-question-btn" onclick="handleQuickQuestion('Future research directions?')">
-                    Future research directions?
-                </button>
-            </div>
-            <div class="chat-messages" id="chatMessages">
-                <div class="message-wrapper">
-                    <div class="message-avatar ai-avatar">AI</div>
-                    <div class="message ai-message">
-                        Hello! I'm here to help you understand this research paper better. 
-                        Feel free to ask any questions about the paper's content, methodology, 
-                        findings, or implications.
-                    </div>
-                </div>
-            </div>
-            <div class="chat-input-area">
-                <input type="text" 
-                       class="chat-input" 
-                       placeholder="Ask a question about the paper..." 
-                       id="chatInput">
-                <button class="chat-send-button" onclick="sendMessage()">
-                    <span>Send</span>
-                    <svg width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2">
-                        <path d="M22 2L11 13M22 2l-7 20-4-9-9-4 20-7z"/>
-                    </svg>
-                </button>
-            </div>
-        </div>
-    `;
-}
-
-function addMessage(message, isUser = false) {
-    const chatMessages = document.getElementById('chatMessages');
-    const messageWrapper = document.createElement('div');
-    messageWrapper.className = 'message-wrapper';
-    
-    const avatar = document.createElement('div');
-    avatar.className = `message-avatar ${isUser ? 'user-avatar' : 'ai-avatar'}`;
-    avatar.textContent = isUser ? 'You' : 'AI';
-    
-    const messageDiv = document.createElement('div');
-    messageDiv.className = `message ${isUser ? 'user-message' : 'ai-message'}`;
-    
-    // Convert markdown to HTML if it's an AI message
-    if (!isUser) {
-        messageDiv.innerHTML = marked.parse(message);
-    } else {
-        messageDiv.textContent = message;
-    }
-    
-    messageWrapper.appendChild(avatar);
-    messageWrapper.appendChild(messageDiv);
-    chatMessages.appendChild(messageWrapper);
-    
-    // Scroll to bottom
-    chatMessages.scrollTop = chatMessages.scrollHeight;
-}
-
-// Add this new function to handle quick questions
-async function handleQuickQuestion(question) {
-    // Add user's question to chat
-    addMessage(question, true);
-    
-    // Show thinking indicator
-    const thinkingDiv = addThinkingMessage();
-    
-    try {
-        const response = await fetch('/chat-with-paper', {
-            method: 'POST',
-            headers: {
-                'Content-Type': 'application/json',
-                'X-CSRFToken': getCsrfToken()
-            },
-            body: JSON.stringify({
-                pdf_url: currentPaperState.pdfUrl,
-                question: question
-            })
-        });
-
-        const data = await response.json();
-        
-        // Remove thinking indicator
-        thinkingDiv.remove();
-
-        if (data.error) {
-            addMessage(`Error: ${data.error}`, false);
-            return;
-        }
-
-        // Add AI's response to chat
-        addMessage(data.response, false);
-
-    } catch (error) {
-        // Remove thinking indicator
-        thinkingDiv.remove();
-        addMessage(`Error: ${error.message}`, false);
-    }
-}
-
 // Event Listeners
 document.addEventListener('DOMContentLoaded', () => {
     // Navigation initialization
@@ -778,3 +1080,107 @@ function removeThinkingMessage(id) {
         thinkingDiv.remove();
     }
 }
+
+// Function to create consistent paper cards with properly styled buttons
+function createPaperCard(paper) {
+    const paperCard = document.createElement('div');
+    paperCard.className = 'paper-card';
+    
+    // Format the paper data with proper HTML structure
+    paperCard.innerHTML = `
+        <div class="paper-header">
+            <div class="paper-date">${escapeHtml(paper.published)}</div>
+            <div class="paper-category">Category: ${escapeHtml(paper.category || 'N/A')}</div>
+        </div>
+        <h3 class="paper-title">${escapeHtml(paper.title)}</h3>
+        <div class="paper-authors">Authors: ${escapeHtml(paper.authors)}</div>
+        <p class="paper-abstract">${escapeHtml(paper.abstract.substring(0, 200))}${paper.abstract.length > 200 ? '...' : ''}</p>
+        <div class="paper-actions">
+            <a href="${paper.pdf_link}" target="_blank" class="paper-button pdf-button">PDF</a>
+            <a href="${paper.arxiv_link}" target="_blank" class="paper-button arxiv-button">ARXIV</a>
+            <button onclick="analyzePaper('${paper.pdf_link}', '${escapeHtml(paper.title)}')" class="paper-button analyze-button">Analyze</button>
+        </div>
+    `;
+    
+    return paperCard;
+}
+
+// Add comprehensive button styling
+const buttonStyle = document.createElement('style');
+buttonStyle.id = 'paper-buttons-style';
+buttonStyle.textContent = `
+    .paper-card {
+        background: rgba(15, 23, 42, 0.6);
+        border-radius: 0.75rem;
+        padding: 1.5rem;
+        margin-bottom: 1.5rem;
+        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
+        border: 1px solid rgba(99, 102, 241, 0.1);
+        transition: transform 0.3s ease, box-shadow 0.3s ease;
+    }
+    
+    .paper-card:hover {
+        transform: translateY(-5px);
+        box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
+    }
+    
+    .paper-actions {
+        display: flex;
+        justify-content: center;
+        gap: 0.75rem;
+        margin-top: 1.25rem;
+    }
+    
+    .paper-button {
+        display: inline-flex;
+        align-items: center;
+        justify-content: center;
+        padding: 0.75rem 1.5rem;
+        border-radius: 0.5rem;
+        font-weight: 600;
+        font-size: 0.9rem;
+        cursor: pointer;
+        transition: all 0.2s ease;
+        text-decoration: none;
+        border: none;
+        min-width: 100px;
+        letter-spacing: 0.5px;
+    }
+    
+    .pdf-button {
+        background: rgba(30, 41, 59, 0.8);
+        color: #e2e8f0;
+        box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
+    }
+    
+    .pdf-button:hover {
+        background: rgba(44, 55, 74, 0.9);
+        transform: translateY(-2px);
+        box-shadow: 0 4px 8px rgba(0, 0, 0, 0.25);
+    }
+    
+    .arxiv-button {
+        background: rgba(99, 102, 241, 0.2);
+        color: #e2e8f0;
+        box-shadow: 0 2px 4px rgba(99, 102, 241, 0.15);
+    }
+    
+    .arxiv-button:hover {
+        background: rgba(99, 102, 241, 0.3);
+        transform: translateY(-2px);
+        box-shadow: 0 4px 8px rgba(99, 102, 241, 0.25);
+    }
+    
+    .analyze-button {
+        background: linear-gradient(135deg, #6366f1 0%, #4f46e5 100%);
+        color: white;
+        box-shadow: 0 2px 4px rgba(99, 102, 241, 0.3);
+    }
+    
+    .analyze-button:hover {
+        transform: translateY(-2px);
+        box-shadow: 0 4px 8px rgba(99, 102, 241, 0.4);
+        background: linear-gradient(135deg, #818cf8 0%, #6366f1 100%);
+    }
+`;
+document.head.appendChild(buttonStyle);

static/styles.css

@@ -1,17 +1,19 @@
 :root {
-    --primary-color: #e91e63;
-    --primary-light: #f06292;
-    --primary-dark: #c2185b;
-    --secondary-color: #9c27b0;
-    --background-color: #13111C;
-    --card-background: #1E1B2E;
-    --surface-light: rgba(30, 27, 46, 0.6);
-    --surface-dark: rgba(19, 17, 28, 0.6);
+    --primary-color: #6366f1;
+    --primary-light: #818cf8;
+    --primary-dark: #4f46e5;
+    --secondary-color: #10b981;
+    --accent-color: #f59e0b;
+    --background-color: #0f172a;
+    --card-background: #1e293b;
+    --surface-light: rgba(30, 41, 59, 0.7);
+    --surface-dark: rgba(15, 23, 42, 0.7);
     --text-primary: rgba(255, 255, 255, 0.95);
     --text-secondary: rgba(255, 255, 255, 0.7);
     --border-color: rgba(255, 255, 255, 0.08);
-    --error-color: #ff4444;
-    --success-color: #00C851;
+    --error-color: #ef4444;
+    --success-color: #10b981;
+    --shadow-color: rgba(0, 0, 0, 0.25);
 }
 
 /* Base Styles */
@@ -24,9 +26,10 @@
 body {
     background: var(--background-color);
     color: var(--text-primary);
-    font-family: 'Space Grotesk', sans-serif;
+    font-family: 'Space Grotesk', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
     min-height: 100vh;
     line-height: 1.6;
+    font-size: 16px;
 }
 
 /* Layout */
@@ -34,6 +37,9 @@ body {
     min-height: 100vh;
     display: flex;
     flex-direction: column;
+    max-width: 1440px;
+    margin: 0 auto;
+    padding: 0 1rem;
 }
 
 /* Navigation */
@@ -41,493 +47,432 @@ body {
     display: flex;
     justify-content: space-between;
     align-items: center;
-    padding: 1.2rem 2.5rem;
-    background: rgba(30, 27, 46, 0.98);
-    backdrop-filter: blur(10px);
+    padding: 1.25rem 0;
+    border-bottom: 1px solid var(--border-color);
+    margin-bottom: 1.5rem;
+}
+
+.nav-left {
+    display: flex;
+    align-items: center;
 }
 
 .logo {
-    color: var(--primary-color);
     font-size: 1.5rem;
-    font-weight: 600;
-    letter-spacing: 0.5px;
+    font-weight: 700;
+    color: var(--primary-light);
+    margin: 0;
+    background: linear-gradient(135deg, var(--primary-light), var(--secondary-color));
+    -webkit-background-clip: text;
+    -webkit-text-fill-color: transparent;
+    letter-spacing: -0.5px;
 }
 
 .nav-right {
     display: flex;
     align-items: center;
-    gap: 2rem;
+    gap: 1rem;
 }
 
 .user-info {
-    color: rgba(255, 255, 255, 0.9);
-    font-size: 0.95rem;
-    letter-spacing: 0.3px;
+    font-size: 0.9rem;
+    color: var(--text-secondary);
 }
 
 .logout-button {
-    color: var(--primary-color);
+    background: rgba(99, 102, 241, 0.1);
+    color: var(--primary-light);
     text-decoration: none;
-    font-size: 0.95rem;
+    padding: 0.5rem 1rem;
+    border-radius: 0.5rem;
+    font-size: 0.875rem;
     font-weight: 500;
-    transition: all 0.3s ease;
+    transition: all 0.2s ease;
+    border: 1px solid rgba(99, 102, 241, 0.2);
 }
 
 .logout-button:hover {
-    color: #ff4081;
+    background: rgba(99, 102, 241, 0.2);
+    transform: translateY(-1px);
 }
 
-/* Search Container */
-.search-container {
-    width: 90%;
-    max-width: 800px;
-    margin: 3rem auto;
+/* Breadcrumb */
+.breadcrumb {
+    display: flex;
+    align-items: center;
+    gap: 1rem;
+    margin-bottom: 1.5rem;
+    font-size: 0.9rem;
+}
+
+#currentSection {
+    font-weight: 600;
+    color: var(--text-primary);
+}
+
+.back-button {
+    background: transparent;
+    border: none;
+    color: var(--primary-light);
+    cursor: pointer;
+    font-size: 0.9rem;
+    display: flex;
+    align-items: center;
+    gap: 0.25rem;
+    padding: 0.25rem 0.5rem;
+    border-radius: 0.25rem;
+    transition: all 0.2s ease;
+}
+
+.back-button:hover {
+    background: rgba(99, 102, 241, 0.1);
+}
+
+/* Main Content */
+.main-content {
+    flex: 1;
     display: flex;
     flex-direction: column;
-    gap: 1.2rem;
 }
 
-/* Search Input Wrapper */
-.search-input-wrapper {
-    width: 100%;
-    background: rgba(30, 27, 46, 0.95);
-    border-radius: 15px;
-    padding: 1rem 1.5rem;
-    border: 1px solid rgba(255, 255, 255, 0.08);
-    transition: all 0.3s ease;
+.content-section {
+    display: none;
+}
+
+.content-section.active {
+    display: block;
+    animation: fadeIn 0.3s ease;
+}
+
+@keyframes fadeIn {
+    from { opacity: 0; }
+    to { opacity: 1; }
+}
+
+/* Search Section */
+.search-section {
+    display: flex;
+    flex-direction: column;
+    gap: 2rem;
+    margin-bottom: 2rem;
 }
 
-.search-input-wrapper:focus-within {
-    border-color: rgba(255, 255, 255, 0.15);
-    box-shadow: 0 0 20px rgba(233, 30, 99, 0.1);
+.search-container {
+    display: flex;
+    flex-wrap: wrap;
+    gap: 1rem;
+    align-items: center;
+    background: var(--card-background);
+    padding: 1.5rem;
+    border-radius: 1rem;
+    box-shadow: 0 4px 20px var(--shadow-color);
 }
 
-/* Search Input */
 .search-input {
-    width: 100%;
-    padding: 16px 24px;
-    font-size: 1.1rem;
-    background: rgba(255, 255, 255, 0.08);
-    border: 2px solid rgba(255, 255, 255, 0.1);
-    border-radius: 16px;
+    flex: 1;
+    min-width: 250px;
+    background: rgba(15, 23, 42, 0.5);
+    border: 1px solid var(--border-color);
+    border-radius: 0.5rem;
+    padding: 0.875rem 1.25rem;
+    font-size: 1rem;
     color: var(--text-primary);
-    transition: all 0.3s ease;
-    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
+    transition: all 0.2s ease;
 }
 
 .search-input:focus {
     outline: none;
-    border-color: var(--primary-color);
-    background: rgba(255, 255, 255, 0.12);
-    box-shadow: 0 8px 24px rgba(233, 30, 99, 0.15);
-    transform: translateY(-1px);
+    border-color: var(--primary-light);
+    box-shadow: 0 0 0 2px rgba(99, 102, 241, 0.2);
 }
 
 .search-input::placeholder {
-    color: rgba(255, 255, 255, 0.5);
-    font-weight: 400;
-}
-
-/* Filters Row */
-.filters-row {
-    display: flex;
-    align-items: center;
-    gap: 1rem;
-    justify-content: space-between;
+    color: var(--text-secondary);
+    opacity: 0.7;
 }
 
-/* Filter Selects */
 .filter-select {
-    background: rgba(30, 27, 46, 0.95);
-    border: 1px solid rgba(255, 255, 255, 0.08);
-    border-radius: 12px;
-    color: rgba(255, 255, 255, 0.9);
-    padding: 0.8rem 2.5rem 0.8rem 1.2rem;
-    font-size: 0.95rem;
+    background: rgba(15, 23, 42, 0.5);
+    border: 1px solid var(--border-color);
+    border-radius: 0.5rem;
+    color: var(--text-primary);
+    padding: 0.875rem 2.5rem 0.875rem 1.25rem;
+    font-size: 0.9rem;
     cursor: pointer;
     outline: none;
-    flex: 1;
+    min-width: 140px;
     appearance: none;
     background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
     background-repeat: no-repeat;
     background-position: right 1rem center;
     background-size: 1em;
-    transition: all 0.3s ease;
+    transition: all 0.2s ease;
 }
 
-.filter-select:hover {
-    border-color: rgba(255, 255, 255, 0.15);
-    background-color: rgba(40, 37, 56, 0.98);
+.filter-select:hover, .filter-select:focus {
+    border-color: var(--primary-light);
 }
 
-/* Search Button */
 .search-button {
-    background: linear-gradient(135deg, #e91e63, #f06292);
+    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
     color: white;
     border: none;
-    padding: 0.8rem 2.5rem;
-    border-radius: 12px;
-    font-size: 0.95rem;
-    font-weight: 500;
+    padding: 0.875rem 1.5rem;
+    border-radius: 0.5rem;
+    font-size: 0.9rem;
+    font-weight: 600;
     cursor: pointer;
-    transition: all 0.3s ease;
+    transition: all 0.2s ease;
     text-transform: uppercase;
     letter-spacing: 1px;
     min-width: 120px;
-    box-shadow: 0 4px 15px rgba(233, 30, 99, 0.2);
+    box-shadow: 0 4px 12px rgba(79, 70, 229, 0.2);
 }
 
 .search-button:hover {
     transform: translateY(-1px);
-    box-shadow: 0 6px 20px rgba(233, 30, 99, 0.3);
-    background: linear-gradient(135deg, #ec407a, #f48fb1);
+    box-shadow: 0 6px 16px rgba(79, 70, 229, 0.3);
 }
 
 .search-button:active {
     transform: translateY(0);
-    box-shadow: 0 2px 10px rgba(233, 30, 99, 0.2);
+    box-shadow: 0 2px 8px rgba(79, 70, 229, 0.2);
 }
 
-/* Results Section */
-.results-section {
-    margin-top: 2rem;
-    padding: 0 2rem;
+/* Feature Cards */
+.features-grid {
+    display: grid;
+    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
+    gap: 1.5rem;
+    margin-top: 1rem;
 }
 
-/* Loading Overlay */
-.loading-overlay {
-    position: fixed;
-    top: 0;
-    left: 0;
-    right: 0;
-    bottom: 0;
-    background: rgba(13, 12, 20, 0.8);
-    backdrop-filter: blur(5px);
+.feature-card {
+    background: var(--card-background);
+    border-radius: 1rem;
+    padding: 1.5rem;
     display: flex;
-    justify-content: center;
-    align-items: center;
-    z-index: 1000;
+    align-items: flex-start;
+    gap: 1rem;
+    transition: all 0.3s ease;
+    border: 1px solid var(--border-color);
+    margin-bottom: 1rem;
 }
 
-.loading-overlay.hidden {
-    display: none;
+.feature-card:hover {
+    transform: translateY(-5px);
+    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
+    border-color: var(--primary-light);
 }
 
-/* Responsive Design */
-@media (max-width: 768px) {
-    .top-nav {
-        padding: 1rem 1.5rem;
-    }
-
-    .search-container {
-        margin: 2rem auto;
-    }
-
-    .filters-row {
-        flex-direction: column;
-        gap: 0.8rem;
-    }
-
-    .filter-select, 
-    .search-button {
-        width: 100%;
-    }
+.feature-icon {
+    font-size: 1.75rem;
+    background: linear-gradient(135deg, var(--primary-light), var(--secondary-color));
+    -webkit-background-clip: text;
+    -webkit-text-fill-color: transparent;
 }
 
-/* Main Content */
-.main-content {
+.feature-content {
     flex: 1;
-    max-width: 1200px;
-    margin: 0 auto;
-    padding: 2rem;
-    width: 100%;
-}
-
-/* Search Section */
-.search-section {
-    margin: 2rem auto;
-    max-width: 700px;
 }
 
-.results-container {
-    padding: 2rem;
-    max-width: 1200px;
-    margin: 0 auto;
+.feature-title {
+    font-size: 1.25rem;
+    font-weight: 600;
+    margin-bottom: 0.5rem;
+    color: var(--text-primary);
 }
 
-.results-count {
-    color: var(--text-primary);
-    font-size: 1.1rem;
-    margin-bottom: 1.5rem;
-    opacity: 0.8;
+.feature-description {
+    font-size: 0.9rem;
+    color: var(--text-secondary);
+    line-height: 1.5;
 }
 
+/* Results Section */
 .results-grid {
     display: grid;
-    grid-template-columns: repeat(auto-fill, minmax(450px, 1fr));
+    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
     gap: 1.5rem;
-    padding: 2rem;
-    max-width: 1400px;
-    margin: 0 auto;
+    margin-top: 1.5rem;
 }
 
 .paper-card {
     background: var(--card-background);
-    border-radius: 15px;
+    border-radius: 1rem;
     padding: 1.5rem;
     display: flex;
     flex-direction: column;
-    gap: 1rem;
+    gap: 0.75rem;
+    transition: all 0.3s ease;
+    border: 1px solid var(--border-color);
     height: 100%;
+    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
 }
 
 .paper-card:hover {
-    transform: translateY(-2px);
-    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
+    transform: translateY(-5px);
+    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
+    border-color: var(--primary-light);
 }
 
-.paper-meta {
+.paper-header {
     display: flex;
     justify-content: space-between;
     align-items: center;
-    margin-bottom: 1rem;
-}
-
-.paper-date {
-    color: var(--primary-color);
-    font-size: 0.9rem;
-    opacity: 0.9;
+    margin-bottom: 0.25rem;
 }
 
 .paper-title {
-    color: var(--text-primary);
-    font-size: 1.5rem;
-    line-height: 1.3;
-    margin: 0;
+    font-size: 1.25rem;
     font-weight: 600;
+    line-height: 1.4;
+    color: var(--text-primary);
+    margin-bottom: 0.5rem;
 }
 
-.paper-author {
-    color: var(--text-primary);
-    font-size: 1rem;
-    opacity: 0.9;
+.paper-authors {
+    font-size: 0.9rem;
+    color: var(--text-secondary);
+    margin-bottom: 0.5rem;
 }
 
 .paper-abstract {
-    color: var(--text-primary);
-    font-size: 0.95rem;
-    line-height: 1.5;
-    opacity: 0.7;
-    margin: 0;
-    display: -webkit-box;
-    -webkit-line-clamp: 3;
-    -webkit-box-orient: vertical;
-    overflow: hidden;
+    font-size: 0.9rem;
+    line-height: 1.6;
+    color: var(--text-secondary);
+    flex-grow: 1;
 }
 
 .paper-actions {
     display: flex;
-    gap: 12px;
-    justify-content: space-between;
-    align-items: center;
-    margin-top: auto;
+    gap: 0.75rem;
+    margin-top: 1rem;
 }
 
-.action-button {
-    flex: 1;
-    padding: 12px 20px;
-    border-radius: 12px;
-    font-size: 0.95rem;
+.paper-button {
+    padding: 0.75rem 1rem;
+    border-radius: 0.5rem;
+    font-size: 0.85rem;
     font-weight: 600;
     cursor: pointer;
-    transition: all 0.3s ease;
-    text-transform: uppercase;
-    letter-spacing: 0.5px;
+    transition: all 0.2s ease;
     text-align: center;
     text-decoration: none;
+    flex: 1;
     border: none;
+    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
 }
 
-.action-button.pdf-button {
-    background: linear-gradient(135deg, #FF4B2B, #FF416C);
-    color: white;
+.pdf-button {
+    background: rgba(30, 41, 59, 0.8);
+    color: #e2e8f0;
 }
 
-.action-button.arxiv-button {
-    background: linear-gradient(135deg, #4A00E0, #8E2DE2);
-    color: white;
+.pdf-button:hover {
+    background: rgba(44, 55, 74, 0.9);
+    transform: translateY(-2px);
+    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.25);
 }
 
-.action-button.analyze {
-    background: linear-gradient(135deg, #00B4DB, #0083B0);
-    color: white;
+.arxiv-button {
+    background: rgba(99, 102, 241, 0.2);
+    color: #e2e8f0;
 }
 
-.action-button:hover {
+.arxiv-button:hover {
+    background: rgba(99, 102, 241, 0.3);
     transform: translateY(-2px);
-    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
-    filter: brightness(110%);
+    box-shadow: 0 4px 8px rgba(99, 102, 241, 0.25);
 }
 
-.action-button:active {
-    transform: translateY(0);
-    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
+.analyze-button {
+    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
+    color: white;
 }
 
-/* Add subtle glow effect on hover */
-.action-button.pdf-button:hover {
-    box-shadow: 0 8px 20px rgba(255, 75, 43, 0.3);
+.analyze-button:hover {
+    transform: translateY(-2px);
+    box-shadow: 0 4px 8px rgba(99, 102, 241, 0.4);
+    background: linear-gradient(135deg, var(--primary-light), var(--primary-color));
 }
 
-.action-button.arxiv-button:hover {
-    box-shadow: 0 8px 20px rgba(142, 45, 226, 0.3);
+/* Loading Overlay */
+.loading-overlay {
+    position: fixed;
+    top: 0;
+    left: 0;
+    width: 100%;
+    height: 100%;
+    background: rgba(15, 23, 42, 0.9);
+    display: flex;
+    flex-direction: column;
+    justify-content: center;
+    align-items: center;
+    z-index: 1000;
+    backdrop-filter: blur(5px);
 }
 
-.action-button.analyze:hover {
-    box-shadow: 0 8px 20px rgba(0, 180, 219, 0.3);
+.loading-overlay.hidden {
+    display: none;
 }
 
-@media (max-width: 768px) {
-    .paper-actions {
-        flex-direction: column;
-        gap: 8px;
-    }
-    
-    .action-button {
-        width: 100%;
-    }
+.loading-spinner {
+    width: 50px;
+    height: 50px;
+    border: 3px solid rgba(255, 255, 255, 0.1);
+    border-radius: 50%;
+    border-top-color: var(--primary-light);
+    animation: spin 1s linear infinite;
+    margin-bottom: 1rem;
 }
 
-/* Analysis Section */
-.analysis-container {
-    background: var(--card-background);
-    border-radius: 10px;
-    padding: 20px;
-    margin-top: 20px;
+.loading-overlay p {
+    color: var(--text-primary);
+    font-size: 1rem;
+    font-weight: 500;
 }
 
-.analysis-section {
-    margin-bottom: 2rem;
+@keyframes spin {
+    0% { transform: rotate(0deg); }
+    100% { transform: rotate(360deg); }
 }
 
-.analysis-section h3 {
-    margin-bottom: 1rem;
-    color: var(--primary-color);
+/* Chat Interface */
+.chat-container {
+    height: 500px;
+    display: flex;
+    flex-direction: column;
+    background: var(--card-background);
+    border-radius: 1rem;
+    overflow: hidden;
+    border: 1px solid var(--border-color);
+    box-shadow: 0 4px 20px var(--shadow-color);
 }
 
-/* Analysis Section Tabs */
-.analysis-tabs {
+.quick-questions {
     display: flex;
-    gap: 0;
-    padding: 1.5rem 2rem;
-    background: rgba(19, 17, 28, 0.95);
-    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
-    position: relative;
+    flex-wrap: wrap;
+    gap: 0.5rem;
+    padding: 1rem;
+    background: rgba(15, 23, 42, 0.5);
+    border-bottom: 1px solid var(--border-color);
 }
 
-.tab-button {
-    background: transparent;
-    border: none;
-    color: rgba(255, 255, 255, 0.6);
-    padding: 1rem 2.5rem;
-    font-size: 1rem;
-    font-weight: 500;
+.quick-question-btn {
+    background: rgba(99, 102, 241, 0.1);
+    border: 1px solid rgba(99, 102, 241, 0.2);
+    color: var(--primary-light);
+    padding: 0.5rem 1rem;
+    border-radius: 2rem;
+    font-size: 0.8rem;
     cursor: pointer;
-    transition: all 0.3s ease;
-    position: relative;
-    text-transform: uppercase;
-    letter-spacing: 1px;
-}
-
-.tab-button:hover {
-    color: rgba(255, 255, 255, 0.9);
-}
-
-.tab-button.active {
-    color: #E91E63;
-    font-weight: 600;
-}
-
-.tab-button.active::after {
-    content: '';
-    position: absolute;
-    bottom: -1px;
-    left: 0;
-    width: 100%;
-    height: 2px;
-    background: linear-gradient(90deg, #E91E63, #F06292);
-    animation: slideIn 0.3s ease;
-}
-
-@keyframes slideIn {
-    from {
-        transform: scaleX(0);
-    }
-    to {
-        transform: scaleX(1);
-    }
-}
-
-/* Tab Content Container */
-.tab-content {
-    display: none;
-    opacity: 0;
-    padding: 2rem;
-    transition: all 0.3s ease;
-}
-
-.tab-content.active {
-    display: block;
-    opacity: 1;
-    animation: fadeIn 0.4s ease;
-}
-
-@keyframes fadeIn {
-    from {
-        opacity: 0;
-        transform: translateY(10px);
-    }
-    to {
-        opacity: 1;
-        transform: translateY(0);
-    }
-}
-
-/* Paper Analysis Content */
-.paper-analysis {
-    padding: 2rem;
-}
-
-.analysis-section {
-    margin-bottom: 2.5rem;
-}
-
-.analysis-section h3 {
-    color: var(--primary-color);
-    font-size: 1.3rem;
-    margin-bottom: 1rem;
-    display: flex;
-    align-items: center;
-    gap: 0.8rem;
-}
-
-.analysis-section p {
-    color: rgba(255, 255, 255, 0.9);
-    line-height: 1.7;
-    font-size: 1rem;
+    transition: all 0.2s ease;
+    white-space: nowrap;
 }
 
-/* Chat Interface Styles */
-.chat-container {
-    height: 600px;
-    display: flex;
-    flex-direction: column;
-    background: var(--surface-dark);
-    border-radius: 20px;
-    border: 1px solid var(--border-color);
-    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
-    margin: 2rem auto;
-    overflow: hidden;
+.quick-question-btn:hover {
+    background: rgba(99, 102, 241, 0.2);
 }
 
 .chat-messages {
@@ -536,197 +481,105 @@ body {
     padding: 1.5rem;
     display: flex;
     flex-direction: column;
-    gap: 1.5rem;
+    gap: 1rem;
 }
 
 .message-wrapper {
     display: flex;
-    gap: 1rem;
-    align-items: flex-start;
-    opacity: 0;
-    transform: translateY(10px);
-    animation: messageAppear 0.3s ease forwards;
-}
-
-@keyframes messageAppear {
-    to {
-        opacity: 1;
-        transform: translateY(0);
-    }
+    gap: 0.75rem;
+    max-width: 85%;
 }
 
 .message-avatar {
-    width: 38px;
-    height: 38px;
-    border-radius: 12px;
+    width: 2rem;
+    height: 2rem;
+    border-radius: 50%;
     display: flex;
     align-items: center;
     justify-content: center;
-    flex-shrink: 0;
+    font-size: 0.8rem;
     font-weight: 600;
-    font-size: 0.9rem;
+    flex-shrink: 0;
 }
 
-.user-avatar {
-    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
+.ai-avatar {
+    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
     color: white;
 }
 
-.ai-avatar {
-    background: var(--surface-light);
-    border: 1px solid var(--border-color);
-    color: var(--text-primary);
+.user-avatar {
+    background: linear-gradient(135deg, var(--secondary-color), #059669);
+    color: white;
 }
 
 .message {
-    max-width: 85%;
-    padding: 1.2rem 1.5rem;
-    border-radius: 16px;
+    padding: 1rem;
+    border-radius: 0.75rem;
+    font-size: 0.9rem;
     line-height: 1.6;
-    font-size: 0.95rem;
-    letter-spacing: 0.2px;
-}
-
-.user-message {
-    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
-    color: white;
-    margin-left: auto;
-    border-bottom-right-radius: 4px;
-    box-shadow: 0 4px 15px rgba(233, 30, 99, 0.2);
 }
 
 .ai-message {
-    background: var(--surface-light);
+    background: rgba(15, 23, 42, 0.5);
     color: var(--text-primary);
-    border: 1px solid var(--border-color);
-    border-bottom-left-radius: 4px;
+    border-bottom-left-radius: 0.25rem;
+    align-self: flex-start;
 }
 
-/* Markdown Styles in AI Messages */
-.ai-message h1, 
-.ai-message h2, 
-.ai-message h3 {
-    margin-top: 1.2rem;
-    margin-bottom: 0.8rem;
+.user-message {
+    background: rgba(99, 102, 241, 0.1);
     color: var(--text-primary);
-    font-weight: 600;
-}
-
-.ai-message h1 { font-size: 1.4rem; }
-.ai-message h2 { font-size: 1.2rem; }
-.ai-message h3 { font-size: 1.1rem; }
-
-.ai-message p {
-    margin-bottom: 1rem;
-    line-height: 1.7;
-}
-
-.ai-message ul, 
-.ai-message ol {
-    margin: 1rem 0;
-    padding-left: 1.5rem;
-}
-
-.ai-message li {
-    margin-bottom: 0.5rem;
-    line-height: 1.6;
-}
-
-.ai-message strong {
-    color: var(--primary-color);
-    font-weight: 600;
-}
-
-.ai-message em {
-    color: var(--text-secondary);
-    font-style: italic;
-}
-
-.ai-message code {
-    background: var(--surface-dark);
-    padding: 0.2rem 0.4rem;
-    border-radius: 4px;
-    font-family: 'Fira Code', monospace;
-    font-size: 0.9em;
-}
-
-.ai-message pre {
-    background: var(--surface-dark);
-    padding: 1rem;
-    border-radius: 8px;
-    overflow-x: auto;
-    margin: 1rem 0;
-}
-
-.ai-message blockquote {
-    border-left: 3px solid var(--primary-color);
-    margin: 1rem 0;
-    padding-left: 1rem;
-    color: var(--text-secondary);
+    border-bottom-right-radius: 0.25rem;
+    align-self: flex-end;
 }
 
-/* Chat Input Area */
 .chat-input-area {
-    padding: 1.5rem;
-    background: var(--surface-light);
-    border-top: 1px solid var(--border-color);
     display: flex;
-    gap: 1rem;
-    align-items: center;
+    gap: 0.75rem;
+    padding: 1rem;
+    background: rgba(15, 23, 42, 0.5);
+    border-top: 1px solid var(--border-color);
 }
 
 .chat-input {
     flex: 1;
-    background: var(--surface-dark);
+    background: rgba(15, 23, 42, 0.5);
     border: 1px solid var(--border-color);
-    border-radius: 12px;
-    padding: 1rem 1.2rem;
+    border-radius: 0.5rem;
+    padding: 0.75rem 1rem;
     color: var(--text-primary);
-    font-size: 0.95rem;
-    font-family: 'Space Grotesk', sans-serif;
-    transition: all 0.3s ease;
+    font-size: 0.9rem;
 }
 
 .chat-input:focus {
-    border-color: var(--primary-color);
-    box-shadow: 0 0 0 2px rgba(233, 30, 99, 0.1);
     outline: none;
+    border-color: var(--primary-light);
 }
 
 .chat-send-button {
-    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
+    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
     color: white;
     border: none;
-    padding: 1rem 1.8rem;
-    border-radius: 12px;
-    font-weight: 500;
-    cursor: pointer;
-    transition: all 0.3s ease;
-    text-transform: uppercase;
-    letter-spacing: 1px;
+    border-radius: 0.5rem;
+    padding: 0.75rem 1rem;
     display: flex;
     align-items: center;
     gap: 0.5rem;
-    font-family: 'Space Grotesk', sans-serif;
-    box-shadow: 0 4px 15px rgba(233, 30, 99, 0.2);
+    cursor: pointer;
+    transition: all 0.2s ease;
 }
 
 .chat-send-button:hover {
-    transform: translateY(-2px);
-    box-shadow: 0 6px 20px rgba(233, 30, 99, 0.3);
-}
-
-.chat-send-button:active {
-    transform: translateY(0);
+    transform: translateY(-1px);
+    box-shadow: 0 4px 12px rgba(79, 70, 229, 0.2);
 }
 
-/* AI Thinking Animation */
 .ai-thinking {
     display: flex;
     align-items: center;
-    padding: 0.8rem 1.2rem;
-    background: rgba(30, 27, 46, 0.4);
-    border-radius: 12px;
+    padding: 0.75rem 1rem;
+    background: rgba(15, 23, 42, 0.3);
+    border-radius: 0.75rem;
     min-width: 80px;
 }
 
@@ -741,345 +594,139 @@ body {
 .ai-thinking-dot {
     width: 6px;
     height: 6px;
-    background: var(--primary-color);
+    background: var(--primary-light);
     border-radius: 50%;
     animation: thinking 1.4s infinite ease-in-out;
-    opacity: 0.7;
 }
 
-/* Smoother animation for dots */
+.ai-thinking-dot:nth-child(1) {
+    animation-delay: 0s;
+}
+
+.ai-thinking-dot:nth-child(2) {
+    animation-delay: 0.2s;
+}
+
+.ai-thinking-dot:nth-child(3) {
+    animation-delay: 0.4s;
+}
+
 @keyframes thinking {
-    0%, 80%, 100% { 
+    0%, 60%, 100% { 
         transform: scale(0.6);
         opacity: 0.3;
     }
-    40% { 
+    30% { 
         transform: scale(1);
-        opacity: 0.8;
+        opacity: 1;
     }
 }
 
-/* Scrollbar Styling */
-.chat-messages::-webkit-scrollbar {
-    width: 8px;
-}
-
-.chat-messages::-webkit-scrollbar-track {
-    background: var(--surface-dark);
+/* Analysis Styles */
+.analysis-container {
+    background: var(--card-background);
+    border-radius: 1rem;
+    padding: 2rem;
+    margin-top: 1.5rem;
+    border: 1px solid var(--border-color);
+    box-shadow: 0 4px 20px var(--shadow-color);
 }
 
-.chat-messages::-webkit-scrollbar-thumb {
-    background: var(--surface-light);
-    border-radius: 4px;
+.analysis-header {
+    margin-bottom: 2rem;
+    padding-bottom: 1rem;
+    border-bottom: 1px solid var(--border-color);
+    text-align: center;
 }
 
-.chat-messages::-webkit-scrollbar-thumb:hover {
-    background: rgba(255, 255, 255, 0.2);
+.analysis-header h2 {
+    font-size: 1.5rem;
+    font-weight: 700;
+    color: var(--primary-light);
+    margin-bottom: 0.5rem;
 }
 
-/* Responsive Design */
-@media (max-width: 768px) {
-    .chat-container {
-        height: calc(100vh - 4rem);
-        margin: 1rem;
-    }
-
-    .quick-questions {
-        padding: 1rem;
-    }
-
-    .quick-question-btn {
-        padding: 0.6rem 1rem;
-        font-size: 0.85rem;
-    }
-
-    .message {
-        max-width: 90%;
-        padding: 1rem;
-    }
-
-    .chat-input-area {
-        padding: 1rem;
-    }
-
-    .chat-send-button {
-        padding: 0.8rem 1.2rem;
-    }
-
-    .paper-actions {
-        flex-direction: column;
-        gap: 8px;
-    }
-    
-    .action-button {
-        width: 100%;
-    }
+.analysis-section {
+    margin-bottom: 1.5rem;
+    padding: 1.5rem;
+    background: rgba(15, 23, 42, 0.3);
+    border-radius: 0.75rem;
+    border: 1px solid var(--border-color);
+    transition: all 0.3s ease;
 }
 
-/* Breadcrumb Styles */
-.breadcrumb {
-    padding: 1rem 2rem;
-    background: var(--background-color);
-    display: flex;
-    align-items: center;
-    gap: 1rem;
+.analysis-section:hover {
+    transform: translateY(-2px);
+    box-shadow: 0 4px 15px var(--shadow-color);
+    border-color: var(--primary-light);
 }
 
-.back-button {
-    background: transparent;
-    border: none;
-    color: var(--primary-color);
-    cursor: pointer;
+.analysis-section h3 {
+    font-size: 1.25rem;
+    font-weight: 600;
+    margin-bottom: 1rem;
+    color: var(--text-primary);
     display: flex;
     align-items: center;
     gap: 0.5rem;
-    padding: 0.5rem 1rem;
-    border-radius: 15px;
-    transition: all 0.3s ease;
-}
-
-.back-button:hover {
-    background: rgba(255, 255, 255, 0.05);
-}
-
-/* Content Sections */
-.content-section {
-    display: none;
-    padding: 2rem;
 }
 
-.content-section.active {
-    display: block;
+.analysis-section p {
+    font-size: 0.95rem;
+    line-height: 1.7;
+    color: var(--text-secondary);
 }
 
-/* History and Saved Papers Grid */
+/* History Section */
 .history-grid, .saved-grid {
     display: grid;
-    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
-    gap: 2rem;
-    margin-top: 2rem;
-}
-
-/* Tab Styles */
-.tabs-container {
-    background: transparent;
-    padding: 0;
-    margin-top: 0;
-}
-
-.tabs {
-    display: flex;
-    gap: 10px;
-    margin-bottom: 20px;
-    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
-    padding-bottom: 10px;
+    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
+    gap: 1.5rem;
 }
 
-.tab-button {
-    background: transparent;
-    border: none;
-    color: var(--text-primary);
-    padding: 10px 20px;
-    border-radius: 5px;
-    cursor: pointer;
+.history-card {
+    background: var(--card-background);
+    border-radius: 1rem;
+    padding: 1.5rem;
+    border: 1px solid var(--border-color);
     transition: all 0.3s ease;
-    opacity: 0.7;
 }
 
-.tab-button:hover {
-    background: rgba(255, 255, 255, 0.1);
-    opacity: 1;
+.history-card:hover {
+    transform: translateY(-5px);
+    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
+    border-color: var(--primary-light);
 }
 
-.tab-button.active {
-    background: var(--primary-color);
-    opacity: 1;
+.history-card h3 {
+    font-size: 1.1rem;
+    font-weight: 600;
+    margin-bottom: 0.5rem;
+    color: var(--text-primary);
 }
 
-.tab-content {
-    display: none;
+.timestamp {
+    font-size: 0.8rem;
+    color: var(--text-secondary);
+    margin-bottom: 1rem;
 }
 
-.tab-content.active {
-    display: block;
-}
-
-/* Chat Styles */
-.chat-container {
-    height: 500px;
-    display: flex;
-    flex-direction: column;
-}
-
-.chat-messages {
-    flex: 1;
-    overflow-y: auto;
-    padding: 20px;
-    display: flex;
-    flex-direction: column;
-    gap: 15px;
-}
-
-.chat-input-area {
-    display: flex;
-    gap: 10px;
-    padding: 20px;
-    border-top: 1px solid rgba(255, 255, 255, 0.1);
-}
-
-.chat-input-area input {
-    flex: 1;
-    background: rgba(255, 255, 255, 0.05);
-    border: 1px solid rgba(255, 255, 255, 0.1);
-    padding: 10px 15px;
-    border-radius: 5px;
-    color: var(--text-primary);
-}
-
-.chat-send-button {
-    background: var(--primary-color);
-    color: white;
-    border: none;
-    padding: 10px 20px;
-    border-radius: 5px;
-    cursor: pointer;
-    transition: all 0.3s ease;
-}
-
-.chat-send-button:hover {
-    transform: translateY(-2px);
-    box-shadow: 0 4px 15px rgba(233, 30, 99, 0.4);
-}
-
-/* Message Styles */
-.message {
-    padding: 10px 15px;
-    border-radius: 10px;
-    max-width: 80%;
-}
-
-.user-message {
-    background: var(--primary-color);
-    align-self: flex-end;
-}
-
-.ai-message {
-    background: var(--card-background);
-    align-self: flex-start;
-}
-
-.loading {
-    opacity: 0.7;
-}
-
-.error {
-    background: var(--error-color);
-}
-
-/* Add these new styles for navigation */
-.analysis-navigation {
-    display: flex;
-    align-items: center;
-    gap: 20px;
-    margin-bottom: 20px;
-    padding: 10px 0;
-    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
-}
-
-.back-to-results {
-    background: transparent;
-    border: none;
-    color: var(--primary-color);
-    padding: 8px 16px;
-    border-radius: 20px;
-    cursor: pointer;
-    display: flex;
-    align-items: center;
-    gap: 8px;
-    transition: all 0.3s ease;
-    font-size: 0.9rem;
-}
-
-.back-to-results:hover {
-    background: rgba(233, 30, 99, 0.1);
-    transform: translateX(-2px);
-}
-
-.current-paper-title {
-    font-size: 1.2rem;
-    color: var(--text-primary);
-    margin: 0;
-    flex: 1;
-    white-space: nowrap;
-    overflow: hidden;
-    text-overflow: ellipsis;
-}
-
-/* Responsive adjustments */
-@media (max-width: 768px) {
-    .analysis-navigation {
-        flex-direction: column;
-        align-items: flex-start;
-        gap: 10px;
-    }
-
-    .current-paper-title {
-        font-size: 1rem;
-    }
-
-    .back-to-results {
-        width: 100%;
-        justify-content: center;
-    }
-}
-
-/* Saved Papers Styles */
-.saved-paper-card {
-    background: var(--card-background);
-    border-radius: 12px;
-    padding: 20px;
-    margin-bottom: 20px;
-    transition: all 0.3s ease;
-    border: 1px solid rgba(255, 255, 255, 0.1);
-}
-
-.saved-paper-card:hover {
-    transform: translateY(-2px);
-    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
-}
-
-.saved-date {
-    font-size: 0.8rem;
-    color: var(--primary-color);
-    margin-bottom: 10px;
-    opacity: 0.8;
-}
-
-.empty-state {
-    text-align: center;
-    padding: 40px;
-    color: var(--text-primary);
-}
-
-.empty-icon {
-    font-size: 3rem;
-    margin-bottom: 20px;
-}
-
-/* Notification Styles */
+/* Notifications */
 .notification {
     position: fixed;
-    bottom: 20px;
-    right: 20px;
-    padding: 12px 24px;
-    border-radius: 8px;
+    bottom: 2rem;
+    right: 2rem;
+    padding: 1rem 1.5rem;
+    border-radius: 0.5rem;
     background: var(--card-background);
     color: var(--text-primary);
-    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
+    font-size: 0.9rem;
+    box-shadow: 0 4px 20px var(--shadow-color);
     transform: translateY(100px);
     opacity: 0;
     transition: all 0.3s ease;
     z-index: 1000;
+    max-width: 300px;
 }
 
 .notification.show {
@@ -1087,1192 +734,160 @@ body {
     opacity: 1;
 }
 
-.notification.success {
-    border-left: 4px solid #00C851;
-}
-
-.notification.error {
-    border-left: 4px solid var(--error-color);
-}
-
 .notification.info {
-    border-left: 4px solid #33b5e5;
-}
-
-/* Action Button Styles */
-.action-button.save {
-    background: #00C851;
-    color: white;
+    border-left: 4px solid var(--primary-color);
 }
 
-.action-button.remove {
-    background: var(--error-color);
-    color: white;
+.notification.success {
+    border-left: 4px solid var(--success-color);
 }
 
-/* Saved Papers Grid */
-.saved-grid {
-    display: grid;
-    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
-    gap: 20px;
-    padding: 20px;
+.notification.error {
+    border-left: 4px solid var(--error-color);
 }
 
+/* Responsive Design */
 @media (max-width: 768px) {
-    .saved-grid {
+    .app-container {
+        padding: 0 0.75rem;
+    }
+    
+    .top-nav {
+        padding: 1rem 0;
+    }
+    
+    .logo {
+        font-size: 1.25rem;
+    }
+    
+    .search-container {
+        padding: 1rem;
+        flex-direction: column;
+        align-items: stretch;
+    }
+    
+    .search-input, .filter-select, .search-button {
+        width: 100%;
+    }
+    
+    .results-grid, .history-grid, .saved-grid, .features-grid {
         grid-template-columns: 1fr;
     }
     
-    .notification {
-        left: 20px;
-        right: 20px;
-        text-align: center;
+    .paper-card, .history-card {
+        padding: 1.25rem;
+    }
+    
+    .paper-title {
+        font-size: 1.1rem;
+    }
+    
+    .action-row {
+        flex-direction: column;
+    }
+    
+    .chat-container {
+        height: 400px;
+    }
+    
+    .quick-questions {
+        overflow-x: auto;
+        padding: 0.75rem;
+        justify-content: flex-start;
+    }
+    
+    .message-wrapper {
+        max-width: 95%;
+    }
+    
+    .analysis-container {
+        padding: 1.25rem;
+    }
+    
+    .paper-actions {
+        flex-direction: column;
+    }
+    
+    .paper-button {
+        width: 100%;
     }
 }
 
-/* Updated Saved Papers Styles */
-.section-title {
-    color: var(--text-primary);
-    font-size: 2rem;
-    margin: 2rem 0;
-    padding: 0 2rem;
-}
-
-.results-grid {
-    display: grid;
-    grid-template-columns: repeat(auto-fill, minmax(450px, 1fr));
-    gap: 1.5rem;
-    padding: 2rem;
-    max-width: 1400px;
-    margin: 0 auto;
-}
-
-.paper-card {
-    background: var(--card-background);
-    border-radius: 15px;
-    padding: 1.5rem;
-    display: flex;
-    flex-direction: column;
-    gap: 1rem;
-    height: 100%;
-}
-
-.paper-date {
-    color: var(--primary-color);
-    font-size: 0.9rem;
-    opacity: 0.9;
-}
-
-.paper-title {
-    color: var(--text-primary);
-    font-size: 1.5rem;
-    line-height: 1.3;
-    margin: 0;
-    font-weight: 600;
+@media (min-width: 769px) and (max-width: 1024px) {
+    .results-grid, .history-grid, .saved-grid, .features-grid {
+        grid-template-columns: repeat(2, 1fr);
+    }
 }
 
-.paper-author {
-    color: var(--text-primary);
-    font-size: 1rem;
-    opacity: 0.9;
+/* Dark mode scrollbar */
+::-webkit-scrollbar {
+    width: 8px;
+    height: 8px;
 }
 
-.paper-abstract {
-    color: var(--text-primary);
-    font-size: 0.95rem;
-    line-height: 1.5;
-    opacity: 0.7;
-    margin: 0;
-    display: -webkit-box;
-    -webkit-line-clamp: 3;
-    -webkit-box-orient: vertical;
-    overflow: hidden;
+::-webkit-scrollbar-track {
+    background: rgba(15, 23, 42, 0.5);
 }
 
-.paper-actions {
-    margin-top: auto;
-    display: flex;
-    flex-direction: row;
-    gap: 12px;
-    justify-content: space-between;
-    align-items: center;
+::-webkit-scrollbar-thumb {
+    background: rgba(99, 102, 241, 0.5);
+    border-radius: 4px;
 }
 
-.action-row {
-    display: flex;
-    gap: 1rem;
-    align-items: center;
-    justify-content: center;
+::-webkit-scrollbar-thumb:hover {
+    background: rgba(99, 102, 241, 0.7);
 }
 
-.save-row {
-    width: 100%;
+/* Direct PDF Input Section */
+.direct-pdf-section {
+    margin-top: 1.5rem;
 }
 
-.action-button.remove {
-    width: 100%;
-    background: #ff4444;
-    color: white;
-    padding: 1rem;
-    border-radius: 12px;
-    font-weight: 600;
-    text-transform: uppercase;
-    border: none;
-    cursor: pointer;
-    transition: all 0.3s ease;
+.direct-pdf-container {
+    background: var(--card-background);
+    padding: 1.5rem;
+    border-radius: 1rem;
+    box-shadow: 0 4px 20px var(--shadow-color);
+    border: 1px solid var(--border-color);
 }
 
-.action-button.remove:hover {
-    background: #ff5555;
-    transform: translateY(-2px);
-    box-shadow: 0 4px 12px rgba(255, 68, 68, 0.2);
+.direct-pdf-container h3 {
+    color: var(--primary-light);
+    font-size: 1.25rem;
+    margin-bottom: 0.5rem;
 }
 
-.empty-state {
-    text-align: center;
-    padding: 4rem 2rem;
-    color: var(--text-primary);
+.direct-pdf-description {
+    color: var(--text-secondary);
+    font-size: 0.9rem;
+    margin-bottom: 1rem;
 }
 
-.empty-state .empty-icon {
-    font-size: 3rem;
-    margin-bottom: 1rem;
+.direct-pdf-input-container {
+    display: flex;
+    gap: 1rem;
+    flex-wrap: wrap;
 }
 
-.empty-state h3 {
-    font-size: 1.5rem;
-    margin-bottom: 0.5rem;
+.direct-pdf-input-container .search-input {
+    flex: 1;
+    min-width: 250px;
 }
 
-.empty-state p {
-    color: var(--text-primary);
-    opacity: 0.7;
+.direct-pdf-input-container .search-button {
+    display: flex;
+    align-items: center;
+    gap: 0.5rem;
 }
 
 /* Responsive adjustments */
 @media (max-width: 768px) {
-    .results-grid {
-        grid-template-columns: 1fr;
-        padding: 1rem;
-    }
-
-    .section-title {
-        font-size: 1.5rem;
-        margin: 1.5rem 0;
-        padding: 0 1rem;
-    }
-
-    .paper-card {
-        padding: 1rem;
-    }
-
-    .action-row {
-        flex-wrap: wrap;
+    .direct-pdf-input-container {
+        flex-direction: column;
     }
-
-    .action-button, .action-link {
+    
+    .direct-pdf-input-container .search-button {
         width: 100%;
-        text-align: center;
-    }
-}
-
-/* Add styles for back button and header */
-.analysis-header {
-    margin: 2rem 0;
-    padding: 2rem;
-    background: rgba(30, 27, 46, 0.98);
-    border-radius: 15px;
-    border: 1px solid rgba(255, 255, 255, 0.08);
-}
-
-.back-button {
-    display: flex;
-    align-items: center;
-    gap: 0.5rem;
-    background: none;
-    border: none;
-    color: #E91E63;
-    font-size: 1rem;
-    font-weight: 500;
-    cursor: pointer;
-    padding: 0.5rem 1rem;
-    border-radius: 6px;
-    transition: all 0.3s ease;
-}
-
-.back-button:hover {
-    background: rgba(233, 30, 99, 0.1);
-    transform: translateX(-2px);
-}
-
-.current-paper-title {
-    color: var(--text-primary);
-    font-size: 1.25rem;
-    margin: 0;
-    font-weight: 500;
-    flex: 1;
-    white-space: nowrap;
-    overflow: hidden;
-    text-overflow: ellipsis;
-}
-
-/* Update analysis container styles */
-.analysis-container {
-    padding: 2rem;
-    max-width: 1200px;
-    margin: 0 auto;
-}
-
-/* Responsive styles */
-@media (max-width: 768px) {
-    .analysis-header {
-        flex-direction: column;
-        align-items: flex-start;
-        gap: 1rem;
-    }
-
-    .back-button {
-        width: 100%;
-        justify-content: center;
-    }
-
-    .current-paper-title {
-        font-size: 1.1rem;
-        text-align: center;
-        width: 100%;
-    }
-}
-
-/* Updated button styles */
-.action-link {
-    background: none;
-    border: none;
-    color: #4A7DFF;
-    font-size: 0.95rem;
-    font-weight: 600;
-    padding: 12px 0;
-    cursor: pointer;
-    transition: all 0.2s ease;
-    text-transform: uppercase;
-    letter-spacing: 0.5px;
-}
-
-.action-link:hover {
-    opacity: 0.8;
-}
-
-.action-button {
-    border: none;
-    padding: 12px 24px;
-    border-radius: 12px;
-    font-size: 0.95rem;
-    font-weight: 600;
-    cursor: pointer;
-    transition: all 0.2s ease;
-    text-transform: uppercase;
-    letter-spacing: 0.5px;
-    width: auto;
-    text-align: center;
-}
-
-.action-button.analyze {
-    background: #E91E63;
-    color: white;
-    min-width: 120px;
-}
-
-.action-button.save {
-    background: #00C851;
-    color: white;
-    width: 100%;
-    padding: 16px;
-    font-size: 1rem;
-    border-radius: 14px;
-    margin-top: 8px;
-}
-
-.paper-actions {
-    display: flex;
-    flex-direction: row;
-    margin-top: auto;
-}
-
-.action-row {
-    display: flex;
-    align-items: center;
-    gap: 24px;
-}
-
-.save-row {
-    display: flex;
-    width: 100%;
-    margin-top: 4px;
-}
-
-/* Hover effects */
-.action-button:hover {
-    transform: translateY(-1px);
-    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
-}
-
-.action-button.analyze:hover {
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-/* User Navigation Styles */
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-.username {
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-.logout-button {
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-.feature-title {
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-/* Card-specific backgrounds */
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-.feature-card:nth-child(2) {
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-.feature-card:nth-child(3) {
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-/* Responsive styles */
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-    .features-section {
-        padding: 16px;
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-    .feature-card {
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-/* Main Navigation Styles */
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-.nav-links {
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-.nav-link {
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-/* Responsive styles */
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-    .main-nav {
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-    .nav-links {
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         justify-content: center;
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-    .nav-link {
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-/* Make sure these styles work with your existing layout */
-.container {
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-}
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-/* Update feature cards to work with new navigation */
-.features-section {
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-/* Update other sections to maintain spacing */
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-.saved-papers-grid {
-    margin-top: 32px;
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-/* Back to Search Link */
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-    display: inline-flex;
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-.back-to-search:hover {
-    background: rgba(233, 30, 99, 0.1);
-    transform: translateX(-2px);
-}
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-/* Paper Title */
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-}
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-/* Analysis and Chat Container */
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-}
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-/* Enhanced Tab Navigation */
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-.tab-button {
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-.tab-button:hover {
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-}
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-.tab-button.active {
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-/* Tab Content */
-.tab-content {
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-}
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-.tab-content.active {
-    display: block;
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-    transform: translateY(0);
-    animation: fadeIn 0.4s ease;
-}
-
-/* Analysis Section Styles */
-.analysis-section {
-    margin-bottom: 2rem;
-    background: rgba(30, 27, 46, 0.4);
-    border-radius: 16px;
-    padding: 1.8rem;
-    border: 1px solid rgba(255, 255, 255, 0.05);
-    transition: all 0.3s ease;
-}
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-.analysis-section:hover {
-    background: rgba(30, 27, 46, 0.6);
-    transform: translateY(-2px);
-    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
-}
-
-.analysis-section:last-child {
-    margin-bottom: 0;
-}
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-.analysis-section h3 {
-    color: var(--primary-color);
-    font-size: 1.3rem;
-    margin-bottom: 1.2rem;
-    display: flex;
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-    letter-spacing: 0.5px;
-}
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-.analysis-section p {
-    color: rgba(255, 255, 255, 0.9);
-    line-height: 1.8;
-    font-size: 1rem;
-    margin: 0;
-    letter-spacing: 0.2px;
-}
-
-/* Enhanced Chat Interface */
-.chat-container {
-    height: 600px;
-    display: flex;
-    flex-direction: column;
-    background: transparent;
-}
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-.chat-messages {
-    flex: 1;
-    overflow-y: auto;
-    padding: 1.5rem;
-    display: flex;
-    flex-direction: column;
-    gap: 1.2rem;
-}
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-.message {
-    max-width: 85%;
-    padding: 1.2rem 1.5rem;
-    border-radius: 16px;
-    line-height: 1.6;
-    font-size: 0.95rem;
-    letter-spacing: 0.2px;
-}
-
-.user-message {
-    background: linear-gradient(135deg, var(--primary-color), #f06292);
-    color: white;
-    align-self: flex-end;
-    border-bottom-right-radius: 4px;
-    box-shadow: 0 4px 15px rgba(233, 30, 99, 0.2);
-}
-
-.ai-message {
-    background: rgba(30, 27, 46, 0.6);
-    color: rgba(255, 255, 255, 0.95);
-    align-self: flex-start;
-    border: 1px solid rgba(255, 255, 255, 0.08);
-    border-bottom-left-radius: 4px;
-}
-
-.chat-input-area {
-    padding: 1.5rem;
-    background: rgba(19, 17, 28, 0.4);
-    border-top: 1px solid rgba(255, 255, 255, 0.08);
-    display: flex;
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-    align-items: center;
-}
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-.chat-input {
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-    background: rgba(30, 27, 46, 0.95);
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-    transition: all 0.3s ease;
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-.chat-input:focus {
-    border-color: var(--primary-color);
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-    outline: none;
-}
-
-.chat-send-button {
-    background: linear-gradient(135deg, #E91E63, #f06292);
-    color: white;
-    border: none;
-    padding: 1rem 1.8rem;
-    border-radius: 12px;
-    font-weight: 500;
-    cursor: pointer;
-    transition: all 0.3s ease;
-    text-transform: uppercase;
-    letter-spacing: 1px;
-    display: flex;
-    align-items: center;
-    gap: 0.5rem;
-    font-family: 'Space Grotesk', sans-serif;
-    box-shadow: 0 4px 15px rgba(233, 30, 99, 0.2);
-}
-
-.chat-send-button:hover {
-    transform: translateY(-2px);
-    box-shadow: 0 6px 20px rgba(233, 30, 99, 0.3);
-}
-
-.chat-send-button:active {
-    transform: translateY(0);
-}
-
-/* Quick Questions Section */
-.quick-questions {
-    padding: 1rem 1.5rem;
-    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
-    display: flex;
-    gap: 0.8rem;
-    flex-wrap: wrap;
-}
-
-.quick-question-btn {
-    background: rgba(30, 27, 46, 0.6);
-    border: 1px solid rgba(255, 255, 255, 0.08);
-    color: rgba(255, 255, 255, 0.9);
-    padding: 0.8rem 1.2rem;
-    border-radius: 20px;
-    font-size: 0.9rem;
-    cursor: pointer;
-    transition: all 0.3s ease;
-    white-space: nowrap;
-}
-
-.quick-question-btn:hover {
-    background: rgba(233, 30, 99, 0.1);
-    border-color: rgba(233, 30, 99, 0.3);
-    color: #E91E63;
-    transform: translateY(-1px);
-}
-
-.quick-question-btn:active {
-    transform: translateY(0);
-}
-
-/* AI Thinking Indicator */
-.thinking-indicator {
-    opacity: 0.7;
-    transition: all 0.3s ease;
-}
-
-.ai-thinking {
-    display: flex;
-    align-items: center;
-    padding: 0.8rem 1.2rem;
-    background: rgba(30, 27, 46, 0.4);
-    border-radius: 12px;
-    min-width: 80px;
-}
-
-.ai-thinking-dots {
-    display: flex;
-    gap: 4px;
-    justify-content: center;
-    align-items: center;
-    height: 24px;
-}
-
-.ai-thinking-dot {
-    width: 6px;
-    height: 6px;
-    background: var(--primary-color);
-    border-radius: 50%;
-    animation: thinking 1.4s infinite ease-in-out;
-    opacity: 0.7;
-}
-
-/* Smoother animation for dots */
-@keyframes thinking {
-    0%, 80%, 100% { 
-        transform: scale(0.6);
-        opacity: 0.3;
-    }
-    40% { 
-        transform: scale(1);
-        opacity: 0.8;
-    }
 }

templates/base.html

@@ -24,5 +24,7 @@
         display: none;
     }
     </style>
+
+    <script src="{{ url_for('static', filename='analysis.js') }}"></script>
 </body>
 </html> 

templates/index.html

@@ -36,31 +36,21 @@
                     <div class="search-container">
                         <input type="text" id="searchInput" class="search-input" placeholder="Enter research paper title">
                         <div class="filter-container">
-                            <select id="sortBy" class="filter-select">
-                                <option value="relevance">Sort by Relevance</option>
-                                <option value="lastUpdated">Sort by Last Updated</option>
-                                <option value="submitted">Sort by Submission Date</option>
-                            </select>
-                            
                             <select id="maxResults" class="filter-select">
                                 <option value="10">10 results</option>
                                 <option value="25">25 results</option>
                                 <option value="50">50 results</option>
                             </select>
+                            <select id="sortBy" class="filter-select">
+                                <option value="relevance">Sort by Relevance</option>
+                                <option value="date">Sort by Date</option>
+                            </select>
                         </div>
                         <button id="searchButton" class="search-button">SCAN</button>
                     </div>
                 </div>
 
                 <div class="features-section">
-                    <div class="feature-card">
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