diff --git a/client/kb-frontend/src/components/AdminPanel.css b/client/kb-frontend/src/components/AdminPanel.css
index 5721226..4a3d20f 100644
--- a/client/kb-frontend/src/components/AdminPanel.css
+++ b/client/kb-frontend/src/components/AdminPanel.css
@@ -1,158 +1,95 @@
 .admin-panel {
-    padding: 2rem;
-    max-width: 1400px;
+    padding: var(--spacing-2xl);
+    max-width: var(--max-width-3xl);
     margin: 0 auto;
 }
 
-.admin-header {
-    display: flex;
-    align-items: center;
-    gap: 2rem;
-    margin-bottom: 2rem;
-    border-bottom: 2px solid #333;
-    padding-bottom: 1rem;
-}
-
-.admin-header h1 {
-    margin: 0;
-}
-
-.admin-section {
-    margin-bottom: 3rem;
-}
-
-.admin-section h2 {
-    margin-bottom: 1rem;
-    color: #2c3e50;
-}
-
 .users-table {
     width: 100%;
     border-collapse: collapse;
-    background: #242424;
-    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
+    background: var(--color-background-alt);
+    box-shadow: var(--shadow-sm);
 }
 
 .users-table th,
 .users-table td {
-    padding: 12px;
+    padding: var(--spacing-md);
     text-align: left;
-    border-bottom: 1px solid #ddd;
+    border-bottom: 1px solid var(--color-border);
 }
 
 .users-table th {
-    background-color: #2c3e50;
-    color: white;
-    font-weight: bold;
+    background-color: var(--color-dark);
+    color: var(--color-text-inverse);
+    font-weight: var(--font-weight-bold);
 }
 
 .users-table tr:hover {
-    background-color: #7f8c8d;
+    background-color: var(--color-dark-light);
 }
 
 .auth-badge {
-    padding: 4px 8px;
-    border-radius: 4px;
-    font-size: 0.85rem;
-    font-weight: bold;
+    padding: var(--spacing-xs) var(--spacing-sm);
+    border-radius: var(--radius-sm);
+    font-size: var(--font-size-sm);
+    font-weight: var(--font-weight-bold);
 }
 
 .auth-badge.local {
-    background-color: #95a5a6;
-    color: white;
+    background-color: var(--color-dark-light);
+    color: var(--color-text-inverse);
 }
 
 .auth-badge.entra {
     background-color: #0078d4;
-    color: white;
+    color: var(--color-text-inverse);
 }
 
 .role-badge {
-    padding: 4px 12px;
-    border-radius: 12px;
-    font-size: 0.85rem;
-    font-weight: bold;
+    padding: var(--spacing-xs) var(--spacing-md);
+    border-radius: var(--radius-xl);
+    font-size: var(--font-size-sm);
+    font-weight: var(--font-weight-bold);
 }
 
 .role-badge.admin {
-    background-color: #e74c3c;
-    color: white;
+    background-color: var(--color-danger);
+    color: var(--color-text-inverse);
 }
 
 .role-badge.editor {
-    background-color: #3498db;
-    color: white;
+    background-color: var(--color-primary);
+    color: var(--color-text-inverse);
 }
 
 .role-badge.user {
-    background-color: #95a5a6;
-    color: white;
+    background-color: var(--color-dark-light);
+    color: var(--color-text-inverse);
 }
 
 .role-select {
-    padding: 4px 8px;
-    border-radius: 4px;
-    border: 1px solid #ddd;
-}
-
-.action-buttons {
-    display: flex;
-    gap: 8px;
-}
-
-.action-buttons button {
-    padding: 6px 12px;
-    border: none;
-    border-radius: 4px;
-    cursor: pointer;
-    font-size: 0.85rem;
-}
-
-.edit-btn {
-    background-color: #3498db;
-    color: white;
-}
-
-.edit-btn:hover {
-    background-color: #2980b9;
-}
-
-.save-btn {
-    background-color: #27ae60;
-    color: white;
-}
-
-.save-btn:hover {
-    background-color: #229954;
-}
-
-.cancel-btn {
-    background-color: #95a5a6;
-    color: white;
-}
-
-.cancel-btn:hover {
-    background-color: #7f8c8d;
-}
-
-.delete-btn {
-    background-color: #e74c3c;
-    color: white;
-}
-
-.delete-btn:hover {
-    background-color: #c0392b;
+    padding: var(--spacing-xs) var(--spacing-sm);
+    border-radius: var(--radius-sm);
+    border: 1px solid var(--color-border);
 }
 
 .coming-soon {
-    color: #7f8c8d;
+    color: var(--color-text-muted);
     font-style: italic;
 }
 
-.error-message {
-    background-color: #ffebee;
-    color: #c62828;
-    padding: 12px;
-    border-radius: 4px;
-    margin-bottom: 1rem;
+/* Responsive */
+@media (max-width: 768px) {
+    .admin-panel {
+        padding: var(--spacing-lg);
+    }
+    
+    .users-table {
+        font-size: var(--font-size-sm);
+    }
+    
+    .users-table th,
+    .users-table td {
+        padding: var(--spacing-sm);
+    }
 }
\ No newline at end of file
diff --git a/client/kb-frontend/src/components/AdminPanel.jsx b/client/kb-frontend/src/components/AdminPanel.jsx
index f71d849..f10916b 100644
--- a/client/kb-frontend/src/components/AdminPanel.jsx
+++ b/client/kb-frontend/src/components/AdminPanel.jsx
@@ -96,19 +96,27 @@ function AdminPanel({ token, onBack }) {
     };
 
     if (loading) {
-        return <div className='admin-panel'>Loading...</div>
+        return (
+            <div className='admin-panel'>
+                <div className='loading-container'>
+                    <div className='loading-spinner'></div>
+                    <div className='loading-text'>Loading users...</div>
+                </div>
+            </div>
+        );
     }
 
     return (
         <div className='admin-panel'>
-            <div className='admin-header'>
-                <button className='back-button' onClick={onBack}>← Back to Articles</button>
+            <div className='page-header'>
+                <h1 className='page-title'>Admin Panel</h1>
+                <button className='btn btn-ghost' onClick={onBack}>← Back to Articles</button>
             </div>
 
             {error && <div className='error-message'>{error}</div>}
 
-            <div className='admin-section'>
-                <h2>User Management</h2>
+            <div className='section'>
+                <h2 className='section-title'>User Management</h2>
                 <table className='users-table'>
                     <thead>
                         <tr>
@@ -123,7 +131,7 @@ function AdminPanel({ token, onBack }) {
                     </thead>
                     <tbody>
                         {users.map(user => (
-                            <tr key ={user.id}>
+                            <tr key={user.id}>
                                 <td>{user.username}</td>
                                 <td>{user.email}</td>
                                 <td>{user.display_name}</td>
@@ -152,24 +160,24 @@ function AdminPanel({ token, onBack }) {
                                 <td>{new Date(user.created_at).toLocaleDateString()}</td>
                                 <td>
                                     {editingUserId === user.id ? (
-                                        <div className='action-buttons'>
+                                        <div className='btn-group'>
                                             <button
-                                                className='save-btn'
+                                                className='btn btn-success btn-sm'
                                                 onClick={() => handleSaveRole(user.id)}
                                             >Save</button>
                                             <button
-                                                className='cancel-btn'
+                                                className='btn btn-secondary btn-sm'
                                                 onClick={() => handleCancelEdit()}
                                             >Cancel</button>
                                         </div>
                                     ) : (
-                                        <div className='action-buttons'>
+                                        <div className='btn-group'>
                                             <button
-                                                className='edit-btn'
+                                                className='btn btn-primary btn-sm'
                                                 onClick={() => handleRoleChange(user.id, user.role)}
                                             >Edit Role</button>
                                             <button
-                                                className='delete-btn'
+                                                className='btn btn-danger btn-sm'
                                                 onClick={() => handleDeleteUser(user.id)}
                                             >Delete</button>
                                         </div>
@@ -180,8 +188,9 @@ function AdminPanel({ token, onBack }) {
                     </tbody>
                 </table>
             </div>
-            <div className='admin-section'>
-                <h2>Audit Logs</h2>
+            
+            <div className='section'>
+                <h2 className='section-title'>Audit Logs</h2>
                 <p className='coming-soon'>Coming Soon...</p>
             </div>
         </div>
diff --git a/client/kb-frontend/src/components/ArticleDetail.css b/client/kb-frontend/src/components/ArticleDetail.css
index c0198fa..14999fb 100644
--- a/client/kb-frontend/src/components/ArticleDetail.css
+++ b/client/kb-frontend/src/components/ArticleDetail.css
@@ -1,105 +1,43 @@
 .article-detail {
-  padding: 2rem;
-  max-width: 800px;
+  padding: var(--spacing-2xl);
+  max-width: var(--max-width-lg);
   margin: 0 auto;
 }
 
-.back-button {
-  background: none;
-  border: 1px solid #333;
-  padding: 0.5rem 1rem;
-  cursor: pointer;
-  margin-bottom: 1rem;
-}
-
-.back-button:hover {
-  background-color: #f0f0f0;
-}
-
-.edit-button {
-  background: none;
-  border: 1px solid #333;
-  padding: 0.5rem 1rem;
-  cursor: pointer;
-  margin-bottom: 1rem;
-}
-
-.edit-button:hover {
-  background-color: #f0f0f0;
-}
-
-.delete-button {
-  background: none;
-  border: 1px solid #333;
-  padding: 0.5rem 1rem;
-  cursor: pointer;
-  margin-bottom: 1rem;
-}
-
-.delete-button:hover {
-  background-color: #f0f0f0;
-}
-
-.ka-number {
-  background-color: #3498db;
-  color: white;
-  padding: 0.25rem 0.5rem;
-  border-radius: 4px;
-  font-size: 0.9rem;
-}
-
 .article-meta {
-  color: #666;
-  font-size: 0.9rem;
+  color: var(--color-text-secondary);
+  font-size: var(--font-size-md);
 }
 
 .article-content {
-  margin-top: 2rem;
-  line-height: 1.6;
+  margin-top: var(--spacing-2xl);
+  line-height: var(--line-height-relaxed);
 }
 
 .article-metadata {
     display: flex;
     align-items: center;
-    gap: 1rem;
-    margin-top: 1rem;
+    gap: var(--spacing-lg);
+    margin-top: var(--spacing-lg);
     flex-wrap: wrap;
 }
 
 .metadata-label {
-    font-weight: bold;
-    color: #2c3e50;
-    font-size: 0.95rem;
-}
-
-.metadata-badges {
-    display: flex;
-    flex-wrap: wrap;
-    gap: 0.5rem;
-}
-
-.badge {
-    display: inline-flex;
-    align-items: center;
-    padding: 0.4rem 0.75rem;
-    border-radius: 16px;
-    font-size: 0.85rem;
-    font-weight: 500;
-}
-
-.category-badge {
-    background-color: #3498db;
-    color: white;
-}
-
-.tag-badge {
-    background-color: #27ae60;
-    color: white;
+    font-weight: var(--font-weight-bold);
+    color: var(--color-text-primary);
+    font-size: var(--font-size-md);
 }
 
 .article-content video {
     max-width: 100%;
     height: auto;
     display: block;
-    margin: 1rem 0;
+    margin: var(--spacing-lg) 0;
+}
+
+/* Responsive */
+@media (max-width: 768px) {
+  .article-detail {
+    padding: var(--spacing-lg);
+  }
 }
\ No newline at end of file
diff --git a/client/kb-frontend/src/components/ArticleDetail.jsx b/client/kb-frontend/src/components/ArticleDetail.jsx
index 7b67101..bf11534 100644
--- a/client/kb-frontend/src/components/ArticleDetail.jsx
+++ b/client/kb-frontend/src/components/ArticleDetail.jsx
@@ -9,16 +9,16 @@ function ArticleDetail({ article, onBack, onEdit, onDelete, currentUser }) {
 
     return (
         <div className='article-detail'>
-            <div className='button-group'>
-                <button className='back-button' onClick={onBack}>
+            <div className='btn-group' style={{ marginBottom: 'var(--spacing-xl)' }}>
+                <button className='btn btn-ghost' onClick={onBack}>
                     ← Back
                 </button>
                 {canEdit && (
                     <>
-                        <button className='edit-button' onClick={onEdit}>
+                        <button className='btn btn-primary' onClick={onEdit}>
                             Edit
                         </button>
-                        <button className='delete-button' onClick={onDelete}>
+                        <button className='btn btn-danger' onClick={onDelete}>
                             Delete
                         </button>
                     </>
@@ -26,7 +26,7 @@ function ArticleDetail({ article, onBack, onEdit, onDelete, currentUser }) {
             </div>
 
             <div className='article-header'>
-                <span className='ka-number'>{article.ka_number}</span>
+                <span className='ka-number-badge'>{article.ka_number}</span>
                 <h1>{article.title}</h1>
                 <p className='article-meta'>
                     Created: {new Date(article.created_at).toLocaleDateString()}
@@ -36,7 +36,7 @@ function ArticleDetail({ article, onBack, onEdit, onDelete, currentUser }) {
                 {article.categories && article.categories.length > 0 && (
                     <div className='article-metadata'>
                         <div className='metadata-label'>Categories:</div>
-                        <div className='metadata-badges'>
+                        <div className='badge-group'>
                             {article.categories.map(category => (
                                 <span key={category} className='badge category-badge'>
                                     {category}
@@ -49,7 +49,7 @@ function ArticleDetail({ article, onBack, onEdit, onDelete, currentUser }) {
                 {article.tags && article.tags.length > 0 && (
                     <div className='article-metadata'>
                         <div className='metadata-label'>Tags:</div>
-                        <div className='metadata-badges'>
+                        <div className='badge-group'>
                             {article.tags.map(tag => (
                                 <span key={tag} className='badge tag-badge'>
                                     #{tag}
diff --git a/client/kb-frontend/src/components/ArticleEdit.css b/client/kb-frontend/src/components/ArticleEdit.css
index dbcf88f..e77e16e 100644
--- a/client/kb-frontend/src/components/ArticleEdit.css
+++ b/client/kb-frontend/src/components/ArticleEdit.css
@@ -1,13 +1,17 @@
 .article-editor {
-  padding: 2rem;
-  max-width: 900px;
+  padding: var(--spacing-2xl);
+  max-width: var(--max-width-lg);
   margin: 0 auto;
+  transition: padding-bottom var(--transition-slow);
 }
 
 .editor-header {
-  margin-bottom: 2rem;
-  border-bottom: 2px solid #333;
-  padding-bottom: 1rem;
+  display: flex;
+  justify-content: space-between;
+  align-items: center;
+  margin-bottom: var(--spacing-2xl);
+  padding-bottom: var(--spacing-lg);
+  border-bottom: 2px solid var(--color-border-dark);
 }
 
 .editor-header h2 {
@@ -17,166 +21,25 @@
 .editor-form {
   display: flex;
   flex-direction: column;
-  gap: 1.5rem;
-}
-
-.editor-form label {
-  font-weight: bold;
-  margin-bottom: 0.5rem;
-  display: block;
-}
-
-.editor-form input[type="text"] {
-  width: 100%;
-  padding: 0.75rem;
-  font-size: 1rem;
-  border: 1px solid #ddd;
-  border-radius: 4px;
-}
-
-.editor-form input[type="text"]:focus {
-  outline: none;
-  border-color: #3498db;
+  gap: var(--spacing-xl);
 }
 
 /* React Quill editor styling */
 .quill {
-  background-color: white;
+  background-color: var(--color-background);
 }
 
 .ql-container {
   min-height: 300px;
-  font-size: 1rem;
+  font-size: var(--font-size-base);
 }
 
 .ql-editor {
   min-height: 300px;
 }
 
-.editor-buttons {
-  display: flex;
-  gap: 1rem;
-  margin-top: 1rem;
-}
-
-.editor-buttons button {
-  padding: 0.75rem 2rem;
-  font-size: 1rem;
-  border: none;
-  border-radius: 4px;
-  cursor: pointer;
-}
-
-.editor-buttons button:first-child {
-  background-color: #27ae60;
-  color: white;
-}
-
-.editor-buttons button:first-child:hover {
-  background-color: #229954;
-}
-
-.editor-buttons button:last-child {
-  background-color: #95a5a6;
-  color: white;
-}
-
-.editor-buttons button:last-child:hover {
-  background-color: #7f8c8d;
-}
-
-/* Form field styling */
-.form-field {
-    margin-bottom: 1.5rem;
-}
-
-.form-field label {
-    display: block;
-    font-weight: bold;
-    margin-bottom: 0.5rem;
-    color: #2c3e50;
-}
-
-.form-field input[type="text"] {
-    width: 100%;
-    padding: 0.75rem;
-    font-size: 1rem;
-    border: 1px solid #ddd;
-    border-radius: 4px;
-}
-
-.form-field input[type="text"]:focus {
-    outline: none;
-    border-color: #3498db;
-}
-
-/* Category selector */
-.category-selector {
-    position: relative;
-}
-
-.category-dropdown-btn {
-    width: 100%;
-    padding: 0.75rem;
-    background-color: white;
-    border: 1px solid #ddd;
-    border-radius: 4px;
-    cursor: pointer;
-    display: flex;
-    justify-content: space-between;
-    align-items: center;
-    text-align: left;
-    font-size: 1rem;
-}
-
-.category-dropdown-btn:hover {
-    border-color: #3498db;
-}
-
-.dropdown-arrow {
-    color: #666;
-    font-size: 0.8rem;
-}
-
-.category-dropdown {
-    position: absolute;
-    top: 100%;
-    left: 0;
-    right: 0;
-    background: white;
-    border: 1px solid #ddd;
-    border-radius: 4px;
-    max-height: 200px;
-    overflow-y: auto;
-    z-index: 100;
-    margin-top: 4px;
-    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
-}
-
-.category-option {
-    display: flex;
-    align-items: center;
-    padding: 0.75rem;
-    cursor: pointer;
-    transition: background-color 0.2s;
-}
-
-.category-option:hover {
-    background-color: #f5f5f5;
-}
-
-.category-option input[type="checkbox"] {
-    margin-right: 0.75rem;
-    cursor: pointer;
-}
-
-.no-options {
-    padding: 1rem;
-    text-align: center;
-    color: #999;
-}
-
-/* Tag selector */
+/* Category/Tag selector specific styles */
+.category-selector,
 .tag-selector {
     position: relative;
 }
@@ -185,142 +48,29 @@
     position: relative;
 }
 
-.tag-input {
-    width: 100%;
-    padding: 0.75rem;
-    border: 1px solid #ddd;
-    border-radius: 4px;
-    font-size: 1rem;
-}
-
-.tag-input:focus {
-    outline: none;
-    border-color: #3498db;
-}
-
-.tag-suggestions {
-    position: absolute;
-    top: 100%;
-    left: 0;
-    right: 0;
-    background: white;
-    border: 1px solid #ddd;
-    border-radius: 4px;
-    margin-top: 4px;
-    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
-    z-index: 100;
-}
-
-.tag-suggestion {
-    padding: 0.75rem;
-    cursor: pointer;
-    transition: background-color 0.2s;
-}
-
-.tag-suggestion:hover {
-    background-color: #f5f5f5;
-}
-
-/* Badges */
-.selected-badges {
-    display: flex;
-    flex-wrap: wrap;
-    gap: 0.5rem;
-    margin-top: 0.75rem;
-}
-
-.badge {
-    display: inline-flex;
-    align-items: center;
-    gap: 0.5rem;
-    padding: 0.5rem 0.75rem;
-    border-radius: 16px;
-    font-size: 0.9rem;
-    font-weight: 500;
-}
-
-.category-badge {
-    background-color: #3498db;
-    color: white;
-}
-
-.tag-badge {
-    background-color: #27ae60;
-    color: white;
-}
-
-.badge-remove {
-    background: none;
-    border: none;
-    color: white;
-    font-size: 1.2rem;
-    cursor: pointer;
-    padding: 0;
-    line-height: 1;
-    opacity: 0.8;
-}
-
-.badge-remove:hover {
-    opacity: 1;
-}
-
 .create-new-section {
-    padding: 0.75rem;
-    border-bottom: 1px solid #ddd;
-    background-color: #f9f9f9;
+    padding: var(--spacing-md);
+    border-bottom: 1px solid var(--color-border);
+    background-color: var(--color-gray-100);
 }
 
 .create-new-section input {
     width: 100%;
-    padding: 0.5rem;
-    border: 1px solid #ddd;
-    border-radius: 4px;
-    margin-bottom: 0.5rem;
+    padding: var(--spacing-sm);
+    border: 1px solid var(--color-border);
+    border-radius: var(--radius-sm);
+    margin-bottom: var(--spacing-sm);
 }
 
-.create-new-buttons {
-    display: flex;
-    gap: 0.5rem;
-}
-
-.create-new-buttons button {
-    padding: 0.4rem 0.8rem;
-    border: none;
-    border-radius: 4px;
-    cursor: pointer;
-    font-size: 0.85rem;
-}
-
-.create-new-buttons .create-btn {
-    background-color: #27ae60;
-    color: white;
-}
-
-.create-new-buttons .create-btn:hover {
-    background-color: #229954;
-}
-
-.create-new-buttons .cancel-btn {
-    background-color: #95a5a6;
-    color: white;
-}
-
-.create-new-buttons .cancel-btn:hover {
-    background-color: #7f8c8d;
-}
-
-.create-new-button-dropdown {
-    width: 100%;
-    padding: 0.75rem;
-    background-color: #27ae60;
-    color: white;
-    border: none;
-    border-bottom: 1px solid #ddd;
-    text-align: left;
-    cursor: pointer;
-    font-weight: bold;
-}
-
-.create-new-button-dropdown:hover {
-    background-color: #229954;
+/* Responsive */
+@media (max-width: 768px) {
+  .article-editor {
+    padding: var(--spacing-lg);
+  }
+  
+  .editor-header {
+    flex-direction: column;
+    align-items: flex-start;
+    gap: var(--spacing-md);
+  }
 }
\ No newline at end of file
diff --git a/client/kb-frontend/src/components/ArticleEdit.jsx b/client/kb-frontend/src/components/ArticleEdit.jsx
index 044886a..a852a54 100644
--- a/client/kb-frontend/src/components/ArticleEdit.jsx
+++ b/client/kb-frontend/src/components/ArticleEdit.jsx
@@ -84,6 +84,34 @@ function ArticleEditor({ article, onSave, onCancel, token }) {
         }
     }, [article]);
 
+    // Add padding and scroll when gallery opens
+    useEffect(() => {
+        const editorElement = document.querySelector('.article-editor');
+        
+        if (isGalleryOpen) {
+            // Add padding equal to drawer height (40vh + some extra space)
+            editorElement.style.paddingBottom = 'calc(40vh + 2rem)';
+            
+            // Scroll down smoothly so editor is visible above drawer
+            setTimeout(() => {
+                window.scrollTo({
+                    top: document.body.scrollHeight,
+                    behavior: 'smooth'
+                });
+            }, 100); // Small delay to let padding apply first
+        } else {
+            // Remove padding when closed
+            editorElement.style.paddingBottom = '';
+        }
+        
+        // Cleanup on unmount
+        return () => {
+            if (editorElement) {
+                editorElement.style.paddingBottom = '';
+            }
+        };
+    }, [isGalleryOpen]);
+
     const fetchCategories = async () => {
         try {
             const response = await fetch('http://localhost:9000/api/categories', {
@@ -209,7 +237,7 @@ function ArticleEditor({ article, onSave, onCancel, token }) {
                 setShowCreateCategory(false);
             } else {
                 const data = await response.json();
-                alert(data.error || 'Failed to create cateogry');
+                alert(data.error || 'Failed to create category');
             }
         } catch (err) {
             console.error('Failed to create new category:', err);
@@ -295,7 +323,7 @@ function ArticleEditor({ article, onSave, onCancel, token }) {
                     {article.ka_number}
                 </h2>
                 {article.status === 'draft' && (
-                    <span className='draft-indicator'>DRAFT</span>
+                    <span className='badge draft-badge'>DRAFT</span>
                 )}
             </div>
 
@@ -304,6 +332,7 @@ function ArticleEditor({ article, onSave, onCancel, token }) {
                     <label>Title:</label>
                     <input
                         type='text'
+                        className='form-input'
                         value={title}
                         onChange={(e) => setTitle(e.target.value)}
                     />
@@ -314,17 +343,19 @@ function ArticleEditor({ article, onSave, onCancel, token }) {
                     <div className='category-selector'>
                         <button
                             type='button'
-                            className='category-dropdown-btn'
+                            className='dropdown-button'
                             onClick={() => setShowCategoryDropdown(!showCategoryDropdown)}
                         >
-                            {selectedCategories.length > 0
-                                ? `${selectedCategories.length} selected`
-                                : 'Select categories'}
+                            <span>
+                                {selectedCategories.length > 0
+                                    ? `${selectedCategories.length} selected`
+                                    : 'Select categories'}
+                            </span>
                             <span className='dropdown-arrow'>{showCategoryDropdown ? '▲' : '▼'}</span>
                         </button>
 
                         {showCategoryDropdown && (
-                            <div className='category-dropdown'>
+                            <div className='dropdown-menu'>
                                 {showCreateCategory ? (
                                     <div className='create-new-section'>
                                         <input
@@ -340,17 +371,17 @@ function ArticleEditor({ article, onSave, onCancel, token }) {
                                             }}
                                             autoFocus
                                         />
-                                        <div className='create-new-buttons'>
+                                        <div className='btn-group gap-sm'>
                                             <button
                                                 type='button'
-                                                className='create-btn'
+                                                className='btn btn-success btn-sm'
                                                 onClick={handleCreateNewCategory}
                                             >
                                                 Create
                                             </button>
                                             <button
                                                 type='button'
-                                                className='cancel-btn'
+                                                className='btn btn-secondary btn-sm'
                                                 onClick={() => {
                                                     setShowCreateCategory(false);
                                                     setNewCategoryInput('');
@@ -363,7 +394,8 @@ function ArticleEditor({ article, onSave, onCancel, token }) {
                                 ) : (
                                     <button
                                         type='button'
-                                        className='create-new-button-dropdown'
+                                        className='btn btn-success'
+                                        style={{ width: '100%', borderRadius: '0', borderBottom: '1px solid var(--color-border)' }}
                                         onClick={() => setShowCreateCategory(true)}
                                     >
                                         + Create New Category
@@ -371,10 +403,10 @@ function ArticleEditor({ article, onSave, onCancel, token }) {
                                 )}
 
                                 {availableCategories.length === 0 ? (
-                                    <div className='no-options'>No categories available</div>
+                                    <div className='dropdown-empty'>No categories available</div>
                                 ) : (
                                     availableCategories.map(category => (
-                                        <label key={category} className='category-option'>
+                                        <label key={category} className='dropdown-item'>
                                             <input
                                                 type='checkbox'
                                                 checked={selectedCategories.includes(category)}
@@ -387,9 +419,9 @@ function ArticleEditor({ article, onSave, onCancel, token }) {
                             </div>
                         )}
 
-                        <div className='selected-badges'>
+                        <div className='badge-group mt-md'>
                             {selectedCategories.map(category => (
-                                <span key={category} className='badge category-badge'>
+                                <span key={category} className='badge category-badge badge-removable'>
                                     {category}
                                     <button
                                         type='button'
@@ -408,7 +440,7 @@ function ArticleEditor({ article, onSave, onCancel, token }) {
                         <div className='tag-input-wrapper'>
                             <input
                                 type='text'
-                                className='tag-input'
+                                className='form-input'
                                 placeholder='Type to add tags...'
                                 value={tagInput}
                                 onChange={(e) => {
@@ -420,11 +452,11 @@ function ArticleEditor({ article, onSave, onCancel, token }) {
                             />
 
                             {showTagSuggestions && filteredTagSuggestions.length > 0 && (
-                                <div className='tag-suggestions'>
+                                <div className='dropdown-menu'>
                                     {filteredTagSuggestions.slice(0, 5).map(tag => (
                                         <div
                                             key={tag}
-                                            className='tag-suggestion'
+                                            className='dropdown-item'
                                             onClick={() => addTag(tag)}
                                         >
                                             {tag}
@@ -434,9 +466,9 @@ function ArticleEditor({ article, onSave, onCancel, token }) {
                             )}
                         </div>
 
-                        <div className='selected-badges'>
+                        <div className='badge-group mt-md'>
                             {selectedTags.map(tag => (
-                                <span key={tag} className='badge tag-badge'>
+                                <span key={tag} className='badge tag-badge badge-removable'>
                                     #{tag}
                                     <button
                                         type='button'
@@ -460,14 +492,14 @@ function ArticleEditor({ article, onSave, onCancel, token }) {
                     />
                 </div>
 
-                <div className='editor-buttons'>
-                    <button className='save-draft-btn' onClick={handleSaveDraft}>
+                <div className='btn-group'>
+                    <button className='btn btn-secondary' onClick={handleSaveDraft}>
                         Save Draft
                     </button>
-                    <button className='publish-btn' onClick={handlePublish}>
+                    <button className='btn btn-success' onClick={handlePublish}>
                         Publish
                     </button>
-                    <button className='cancel-btn' onClick={onCancel}>
+                    <button className='btn btn-ghost' onClick={onCancel}>
                         Cancel
                     </button>
                 </div>
diff --git a/client/kb-frontend/src/components/ArticleList.css b/client/kb-frontend/src/components/ArticleList.css
index 55e86b6..6958f71 100644
--- a/client/kb-frontend/src/components/ArticleList.css
+++ b/client/kb-frontend/src/components/ArticleList.css
@@ -1,56 +1,37 @@
 .article-item {
-    border: 1px solid #ddd;
-    padding: 1rem;
-    margin-bottom: 1rem;
-    border-radius: 4px;
+    border: 1px solid var(--color-border);
+    padding: var(--spacing-lg);
+    margin-bottom: var(--spacing-lg);
+    border-radius: var(--radius-sm);
     cursor: pointer;
-    transition: all 0.2s;
+    transition: all var(--transition-base);
 }
 
 .article-item:hover {
-    background-color: #f5f5f5;
-    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
+    background-color: var(--color-gray-100);
+    box-shadow: var(--shadow-md);
 }
 
 .article-item-header h3 {
-    margin: 0 0 0.5rem 0;
+    margin: 0 0 var(--spacing-sm) 0;
 }
 
 .article-date {
-    color: #666;
-    font-size: 0.9rem;
+    color: var(--color-text-secondary);
+    font-size: var(--font-size-md);
     margin: 0;
 }
 
 .article-item-metadata {
     display: flex;
-    gap: 0.5rem;
-    margin-top: 0.75rem;
+    gap: var(--spacing-sm);
+    margin-top: var(--spacing-md);
     flex-wrap: wrap;
 }
 
-.metadata-badges {
-    display: flex;
-    flex-wrap: wrap;
-    gap: 0.5rem;
-}
-
-/* Badges */
-.badge {
-    display: inline-flex;
-    align-items: center;
-    padding: 0.3rem 0.6rem;
-    border-radius: 12px;
-    font-size: 0.8rem;
-    font-weight: 500;
-}
-
-.category-badge {
-    background-color: #3498db;
-    color: white;
-}
-
-.tag-badge {
-    background-color: #27ae60;
-    color: white;
+/* Responsive */
+@media (max-width: 768px) {
+    .article-item {
+        padding: var(--spacing-md);
+    }
 }
\ No newline at end of file
diff --git a/client/kb-frontend/src/components/DraftsList.css b/client/kb-frontend/src/components/DraftsList.css
index e4870ce..bc5f625 100644
--- a/client/kb-frontend/src/components/DraftsList.css
+++ b/client/kb-frontend/src/components/DraftsList.css
@@ -1,51 +1,27 @@
 .drafts-list {
-    padding: 2rem;
-    max-width: 1200px;
+    padding: var(--spacing-2xl);
+    max-width: var(--max-width-2xl);
     margin: 0 auto;
 }
 
-.drafts-header {
-    display: flex;
-    align-items: center;
-    gap: 2rem;
-    margin-bottom: 2rem;
-    border-bottom: 2px solid #333;
-    padding-bottom: 1rem;
-}
-
-.drafts-header h1 {
-    margin: 0;
-}
-
-.no-drafts {
-    text-align: center;
-    padding: 4rem 2rem;
-    color: #666;
-}
-
-.no-drafts p {
-    margin: 0.5rem 0;
-    font-size: 1.1rem;
-}
-
 .drafts-grid {
     display: grid;
     grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
-    gap: 1.5rem;
+    gap: var(--spacing-xl);
 }
 
 .draft-card {
-    background: white;
-    border: 2px solid #e0e0e0;
-    border-radius: 8px;
-    padding: 1.5rem;
+    background: var(--color-background);
+    border: 2px solid var(--color-border-light);
+    border-radius: var(--radius-lg);
+    padding: var(--spacing-xl);
     cursor: pointer;
-    transition: all 0.2s;
+    transition: all var(--transition-base);
 }
 
 .draft-card:hover {
-    border-color: #3498db;
-    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
+    border-color: var(--color-primary);
+    box-shadow: var(--shadow-lg);
     transform: translateY(-2px);
 }
 
@@ -53,43 +29,26 @@
     display: flex;
     justify-content: space-between;
     align-items: center;
-    margin-bottom: 1rem;
-}
-
-.draft-badge {
-    background-color: #f39c12;
-    color: white;
-    padding: 0.25rem 0.75rem;
-    border-radius: 4px;
-    font-size: 0.75rem;
-    font-weight: bold;
-}
-
-.ka-number {
-    background-color: #3498db;
-    color: white;
-    padding: 0.25rem 0.5rem;
-    border-radius: 4px;
-    font-size: 0.85rem;
+    margin-bottom: var(--spacing-lg);
 }
 
 .draft-title {
-    margin: 0 0 1rem 0;
-    font-size: 1.25rem;
-    color: #2c3e50;
+    margin: 0 0 var(--spacing-lg) 0;
+    font-size: var(--font-size-xl);
+    color: var(--color-text-primary);
 }
 
 .draft-title:empty::before {
     content: '(Untitled)';
-    color: #999;
+    color: var(--color-text-muted);
     font-style: italic;
 }
 
 .draft-preview {
-    color: #666;
-    font-size: 0.9rem;
-    line-height: 1.4;
-    margin-bottom: 1rem;
+    color: var(--color-text-secondary);
+    font-size: var(--font-size-md);
+    line-height: var(--line-height-snug);
+    margin-bottom: var(--spacing-lg);
     min-height: 3rem;
 }
 
@@ -97,33 +56,22 @@
     display: flex;
     justify-content: space-between;
     align-items: center;
-    padding-top: 1rem;
-    border-top: 1px solid #eee;
+    padding-top: var(--spacing-lg);
+    border-top: 1px solid var(--color-border-light);
 }
 
 .draft-date {
-    font-size: 0.85rem;
-    color: #999;
+    font-size: var(--font-size-sm);
+    color: var(--color-text-muted);
 }
 
-.delete-draft-btn {
-    background-color: #e74c3c;
-    color: white;
-    border: none;
-    padding: 0.5rem 1rem;
-    border-radius: 4px;
-    cursor: pointer;
-    font-size: 0.85rem;
-}
-
-.delete-draft-btn:hover {
-    background-color: #c0392b;
-}
-
-.error-message {
-    background-color: #ffebee;
-    color: #c62828;
-    padding: 1rem;
-    border-radius: 4px;
-    margin-bottom: 1rem;
+/* Responsive */
+@media (max-width: 768px) {
+    .drafts-list {
+        padding: var(--spacing-lg);
+    }
+    
+    .drafts-grid {
+        grid-template-columns: 1fr;
+    }
 }
\ No newline at end of file
diff --git a/client/kb-frontend/src/components/DraftsList.jsx b/client/kb-frontend/src/components/DraftsList.jsx
index 26ea2b7..9ac8768 100644
--- a/client/kb-frontend/src/components/DraftsList.jsx
+++ b/client/kb-frontend/src/components/DraftsList.jsx
@@ -57,32 +57,44 @@ function DraftsList({ token, onBack, onSelectDraft }) {
     };
 
     if (loading) {
-        return <div className='drafts-list'>Loading...</div>;
+        return (
+            <div className='drafts-list'>
+                <div className='loading-container'>
+                    <div className='loading-spinner'></div>
+                    <div className='loading-text'>Loading drafts...</div>
+                </div>
+            </div>
+        );
     }
 
     return (
         <div className='drafts-list'>
-            <div className='drafts-header'>
-                <h1>My Drafts</h1>
+            <div className='page-header'>
+                <h1 className='page-title'>My Drafts</h1>
+                <button className='btn btn-ghost' onClick={onBack}>
+                    ← Back to Articles
+                </button>
             </div>
 
             {error && (<div className='error-message'>{error}</div>)}
 
             {drafts.length === 0 ? (
-                <div className='no-drafts'>
-                    <p>You do not have any drafts yet.</p>
+                <div className='empty-state'>
+                    <div className='empty-state-icon'>📝</div>
+                    <h2 className='empty-state-title'>No Drafts Yet</h2>
+                    <p className='empty-state-description'>You don't have any drafts. Click "Create New Article" to start writing.</p>
                 </div>
             ) : (
                 <div className='drafts-grid'>
                     {drafts.map(draft => (
                         <div
                             key={draft.id}
-                            className='draft-card'
+                            className='draft-card card-hover'
                             onClick={() => onSelectDraft(draft)}
                         >
                             <div className='draft-header'>
-                                <span className='draft-badge'>DRAFT</span>
-                                <span className='ka-number'>{draft.ka_number}</span>
+                                <span className='badge draft-badge'>DRAFT</span>
+                                <span className='ka-number-badge'>{draft.ka_number}</span>
                             </div>
                             <h3 className='draft-title'>{draft.title || '(Untitled)'}</h3>
                             <div className='draft-preview'>
@@ -94,15 +106,14 @@ function DraftsList({ token, onBack, onSelectDraft }) {
                             <div className='draft-footer'>
                                 <span className='draft-date'>Created: {new Date(draft.created_at).toLocaleDateString()}</span>
                                 <button
-                                    className='delete-draft-btn'
+                                    className='btn btn-danger btn-sm'
                                     onClick={(e) => handleDeleteDraft(draft.ka_number, e)}
                                 >Delete</button>
                             </div>
                         </div>
                     ))}
                 </div>
-            )
-        }
+            )}
         </div>
     );
 }
diff --git a/client/kb-frontend/src/components/FilterBar.css b/client/kb-frontend/src/components/FilterBar.css
index 62ccdf9..2a86bc7 100644
--- a/client/kb-frontend/src/components/FilterBar.css
+++ b/client/kb-frontend/src/components/FilterBar.css
@@ -1,12 +1,12 @@
 .filter-bar {
-    padding: 1rem 2rem;
-    background-color: #f9f9f9;
-    border-bottom: 1px solid #ddd;
+    padding: var(--spacing-lg) var(--spacing-2xl);
+    background-color: var(--color-background);
+    border-bottom: 1px solid var(--color-border);
 }
 
 .filter-controls {
     display: flex;
-    gap: 1rem;
+    gap: var(--spacing-lg);
     align-items: flex-end;
     flex-wrap: wrap;
 }
@@ -14,142 +14,48 @@
 .filter-group {
     display: flex;
     flex-direction: column;
-    gap: 0.5rem;
+    gap: var(--spacing-sm);
 }
 
 .filter-group label {
-    font-weight: bold;
-    font-size: 0.9rem;
-    color: #2c3e50;
+    font-weight: var(--font-weight-bold);
+    font-size: var(--font-size-md);
+    color: var(--color-text-primary);
 }
 
 .filter-dropdown-container {
     position: relative;
-}
-
-.filter-dropdown-btn {
     min-width: 180px;
-    padding: 0.5rem 1rem;
-    background-color: white;
-    border: 1px solid #ddd;
-    border-radius: 4px;
-    cursor: pointer;
-    display: flex;
-    justify-content: space-between;
-    align-items: center;
-    font-size: 0.9rem;
-}
-
-.filter-dropdown-btn:hover {
-    border-color: #3498db;
-}
-
-.dropdown-arrow {
-    color: #666;
-    font-size: 0.7rem;
-    margin-left: 0.5rem;
-}
-
-.filter-dropdown {
-    position: absolute;
-    top: 100%;
-    left: 0;
-    right: 0;
-    background: white;
-    border: 1px solid #ddd;
-    border-radius: 4px;
-    max-height: 250px;
-    overflow-y: auto;
-    z-index: 100;
-    margin-top: 4px;
-    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
-}
-
-.filter-option {
-    display: flex;
-    align-items: center;
-    padding: 0.75rem;
-    cursor: pointer;
-    transition: background-color 0.2s;
-}
-
-.filter-option:hover {
-    background-color: #f5f5f5;
-}
-
-.filter-option input[type="checkbox"] {
-    margin-right: 0.75rem;
-    cursor: pointer;
-}
-
-.no-options {
-    padding: 1rem;
-    text-align: center;
-    color: #999;
-}
-
-.clear-filters-btn {
-    padding: 0.5rem 1rem;
-    background-color: #e74c3c;
-    color: white;
-    border: none;
-    border-radius: 4px;
-    cursor: pointer;
-    font-size: 0.9rem;
-    align-self: flex-end;
-}
-
-.clear-filters-btn:hover {
-    background-color: #c0392b;
 }
 
 .active-filters {
     display: flex;
     flex-wrap: wrap;
-    gap: 0.5rem;
+    gap: var(--spacing-sm);
     align-items: center;
-    margin-top: 1rem;
-    padding-top: 1rem;
-    border-top: 1px solid #ddd;
+    margin-top: var(--spacing-lg);
+    padding-top: var(--spacing-lg);
+    border-top: 1px solid var(--color-border);
 }
 
 .active-filters-label {
-    font-weight: bold;
-    color: #2c3e50;
-    font-size: 0.9rem;
+    font-weight: var(--font-weight-bold);
+    color: var(--color-text-primary);
+    font-size: var(--font-size-md);
 }
 
-.filter-badge {
-    display: inline-flex;
-    align-items: center;
-    gap: 0.5rem;
-    padding: 0.4rem 0.75rem;
-    border-radius: 16px;
-    font-size: 0.85rem;
-    font-weight: 500;
-}
-
-.filter-badge.category-badge {
-    background-color: #3498db;
-    color: white;
-}
-
-.filter-badge.tag-badge {
-    background-color: #27ae60;
-    color: white;
-}
-
-.filter-badge button {
-    background: none;
-    border: none;
-    color: white;
-    font-size: 1.2rem;
-    cursor: pointer;
-    padding: 0;
-    line-height: 1;
-    opacity: 0.8;
-}
-
-.filter-badge button:hover {
-    opacity: 1;
+/* Responsive */
+@media (max-width: 768px) {
+    .filter-bar {
+        padding: var(--spacing-md) var(--spacing-lg);
+    }
+    
+    .filter-controls {
+        flex-direction: column;
+        align-items: stretch;
+    }
+    
+    .filter-dropdown-container {
+        min-width: auto;
+    }
 }
\ No newline at end of file
diff --git a/client/kb-frontend/src/components/FilterBar.jsx b/client/kb-frontend/src/components/FilterBar.jsx
index 4312f2f..4819267 100644
--- a/client/kb-frontend/src/components/FilterBar.jsx
+++ b/client/kb-frontend/src/components/FilterBar.jsx
@@ -1,7 +1,7 @@
 import { useState, useEffect } from 'react';
 import './FilterBar.css';
 
-function FilterBar ({ token, onFilterChange }) {
+function FilterBar({ token, onFilterChange }) {
     const [availableCategories, setAvailableCategories] = useState([]);
     const [availableTags, setAvailableTags] = useState([]);
     const [selectedCategories, setSelectedCategories] = useState([]);
@@ -34,7 +34,7 @@ function FilterBar ({ token, onFilterChange }) {
                 setAvailableCategories(data.map(category => category.name));
             }
         } catch(err) {
-            console.error('Error fetchign categories:', err);
+            console.error('Error fetching categories:', err);
         }
     };
 
@@ -85,22 +85,24 @@ function FilterBar ({ token, onFilterChange }) {
                     <label>Filter by Category:</label>
                     <div className="filter-dropdown-container">
                         <button
-                            className="filter-dropdown-btn"
+                            className="dropdown-button"
                             onClick={() => setShowCategoryDropdown(!showCategoryDropdown)}
                         >
-                            {selectedCategories.length > 0
-                                ? `${selectedCategories.length} selected`
-                                : 'All Categories'}
+                            <span>
+                                {selectedCategories.length > 0
+                                    ? `${selectedCategories.length} selected`
+                                    : 'All Categories'}
+                            </span>
                             <span className="dropdown-arrow">{showCategoryDropdown ? '▲' : '▼'}</span>
                         </button>
 
                         {showCategoryDropdown && (
-                            <div className="filter-dropdown">
+                            <div className="dropdown-menu">
                                 {availableCategories.length === 0 ? (
-                                    <div className="no-options">No categories available</div>
+                                    <div className="dropdown-empty">No categories available</div>
                                 ) : (
                                     availableCategories.map(category => (
-                                        <label key={category} className="filter-option">
+                                        <label key={category} className="dropdown-item">
                                             <input
                                                 type="checkbox"
                                                 checked={selectedCategories.includes(category)}
@@ -119,22 +121,24 @@ function FilterBar ({ token, onFilterChange }) {
                     <label>Filter by Tag:</label>
                     <div className="filter-dropdown-container">
                         <button
-                            className="filter-dropdown-btn"
+                            className="dropdown-button"
                             onClick={() => setShowTagDropdown(!showTagDropdown)}
                         >
-                            {selectedTags.length > 0
-                                ? `${selectedTags.length} selected`
-                                : 'All Tags'}
+                            <span>
+                                {selectedTags.length > 0
+                                    ? `${selectedTags.length} selected`
+                                    : 'All Tags'}
+                            </span>
                             <span className="dropdown-arrow">{showTagDropdown ? '▲' : '▼'}</span>
                         </button>
 
                         {showTagDropdown && (
-                            <div className="filter-dropdown">
+                            <div className="dropdown-menu">
                                 {availableTags.length === 0 ? (
-                                    <div className="no-options">No tags available</div>
+                                    <div className="dropdown-empty">No tags available</div>
                                 ) : (
                                     availableTags.map(tag => (
-                                        <label key={tag} className="filter-option">
+                                        <label key={tag} className="dropdown-item">
                                             <input
                                                 type="checkbox"
                                                 checked={selectedTags.includes(tag)}
@@ -150,7 +154,7 @@ function FilterBar ({ token, onFilterChange }) {
                 </div>
 
                 {hasActiveFilters && (
-                    <button className="clear-filters-btn" onClick={clearFilters}>
+                    <button className="btn btn-danger btn-sm" onClick={clearFilters}>
                         Clear Filters
                     </button>
                 )}
@@ -160,22 +164,21 @@ function FilterBar ({ token, onFilterChange }) {
                 <div className="active-filters">
                     <span className="active-filters-label">Active Filters:</span>
                     {selectedCategories.map(category => (
-                        <span key={category} className="filter-badge category-badge">
+                        <span key={category} className="badge category-badge badge-removable">
                             {category}
-                            <button onClick={() => toggleCategory(category)}>×</button>
+                            <button className="badge-remove" onClick={() => toggleCategory(category)}>×</button>
                         </span>
                     ))}
                     {selectedTags.map(tag => (
-                        <span key={tag} className="filter-badge tag-badge">
+                        <span key={tag} className="badge tag-badge badge-removable">
                             #{tag}
-                            <button onClick={() => toggleTag(tag)}>×</button>
+                            <button className="badge-remove" onClick={() => toggleTag(tag)}>×</button>
                         </span>
                     ))}
                 </div>
             )}
         </div>
     );
-
 }
 
 export default FilterBar;
\ No newline at end of file
diff --git a/client/kb-frontend/src/components/MediaGallery.css b/client/kb-frontend/src/components/MediaGallery.css
index c5fc014..73f2f40 100644
--- a/client/kb-frontend/src/components/MediaGallery.css
+++ b/client/kb-frontend/src/components/MediaGallery.css
@@ -3,45 +3,45 @@
     bottom: 0;
     left: 50%;
     transform: translateX(-50%);
-    background-color: #3498db;
-    color: white;
+    background-color: var(--color-primary);
+    color: var(--color-text-inverse);
     border: none;
-    border-radius: 8px 8px 0 0;
-    padding: 0.75rem 2rem;
+    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
+    padding: var(--spacing-md) var(--spacing-2xl);
     cursor: pointer;
-    z-index: 1001;
+    z-index: var(--z-drawer-toggle);
     display: flex;
     align-items: center;
-    gap: 0.5rem;
+    gap: var(--spacing-sm);
     box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.2);
-    transition: background-color 0.2s;
+    transition: background-color var(--transition-base);
 }
 
 .drawer-toggle:hover {
-    background-color: #2980b9;
+    background-color: var(--color-primary-hover);
 }
 
 .drawer-toggle.open {
-    background-color: #e74c3c;
+    background-color: var(--color-danger);
 }
 
 .drawer-toggle.open:hover {
-    background-color: #c0392b;
+    background-color: var(--color-danger-hover);
 }
 
 .toggle-icon {
-    font-size: 1.2rem;
+    font-size: var(--font-size-xl);
 }
 
 .toggle-text {
-    font-weight: bold;
+    font-weight: var(--font-weight-bold);
 }
 
 .media-count {
     background-color: rgba(255, 255, 255, 0.3);
-    padding: 0.2rem 0.5rem;
-    border-radius: 12px;
-    font-size: 0.85rem;
+    padding: var(--spacing-xs) var(--spacing-sm);
+    border-radius: var(--radius-xl);
+    font-size: var(--font-size-sm);
 }
 
 .media-drawer {
@@ -50,12 +50,12 @@
     left: 0;
     right: 0;
     height: 40vh;
-    background-color: white;
-    border-radius: 12px 12px 0 0;
+    background-color: var(--color-background);
+    border-radius: var(--radius-xl) var(--radius-xl) 0 0;
     box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.3);
-    z-index: 1000;
+    z-index: var(--z-drawer);
     transform: translateY(100%);
-    transition: transform 0.3s ease-in-out;
+    transition: transform var(--transition-slow);
     display: flex;
     flex-direction: column;
 }
@@ -65,94 +65,64 @@
 }
 
 .drawer-handle {
-    padding: 0.75rem;
+    padding: var(--spacing-md);
     cursor: pointer;
     display: flex;
     justify-content: center;
     align-items: center;
-    background-color: #f5f5f5;
-    border-radius: 12px 12px 0 0;
+    background-color: var(--color-gray-200);
+    border-radius: var(--radius-xl) var(--radius-xl) 0 0;
 }
 
 .drawer-handle:hover {
-    background-color: #e0e0e0;
+    background-color: var(--color-gray-300);
 }
 
 .handle-bar {
     width: 50px;
     height: 4px;
-    background-color: #bbb;
-    border-radius: 2px;
+    background-color: var(--color-gray-400);
+    border-radius: var(--radius-sm);
 }
 
 .drawer-content {
     flex: 1;
     overflow-y: auto;
-    padding: 1rem 2rem;
+    padding: var(--spacing-lg) var(--spacing-2xl);
 }
 
 .gallery-header {
     display: flex;
     justify-content: space-between;
     align-items: center;
-    margin-bottom: 1rem;
-    padding-bottom: 1rem;
-    border-bottom: 2px solid #e0e0e0;
+    margin-bottom: var(--spacing-lg);
+    padding-bottom: var(--spacing-lg);
+    border-bottom: 2px solid var(--color-border-light);
 }
 
 .gallery-header h3 {
     margin: 0;
-    color: #2c3e50;
-}
-
-.upload-button {
-    background-color: #27ae60;
-    color: white;
-    padding: 0.75rem 1.5rem;
-    border-radius: 6px;
-    cursor: pointer;
-    transition: background-color 0.2s;
-    font-weight: bold;
-}
-
-.upload-button:hover {
-    background-color: #229954;
-}
-
-.loading {
-    text-align: center;
-    padding: 2rem;
-    color: #666;
-}
-
-.no-media {
-    text-align: center;
-    padding: 2rem;
-    color: #666;
-}
-
-.no-media p {
-    margin: 0.5rem 0;
+    color: var(--color-text-primary);
 }
 
 .media-grid {
     display: grid;
     grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
-    gap: 1rem;
-    padding: 1rem 0;
+    gap: var(--spacing-lg);
+    padding: var(--spacing-lg) 0;
 }
 
 .media-item {
-    border: 2px solid #e0e0e0;
-    border-radius: 8px;
-    padding: 0.75rem;
-    background: white;
-    transition: all 0.2s;
+    border: 2px solid var(--color-border-light);
+    border-radius: var(--radius-md);
+    padding: var(--spacing-md);
+    background: var(--color-background);
+    transition: all var(--transition-base);
 }
 
 .media-item:hover {
-    border-color: #3498db;
-    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
+    border-color: var(--color-primary);
+    box-shadow: var(--shadow-lg);
     transform: translateY(-2px);
 }
 
@@ -160,22 +130,22 @@
     width: 100%;
     height: 120px;
     object-fit: cover;
-    border-radius: 6px;
-    margin-bottom: 0.75rem;
+    border-radius: var(--radius-md);
+    margin-bottom: var(--spacing-md);
     cursor: pointer;
 }
 
 .video-thumbnail {
     width: 100%;
     height: 120px;
-    background-color: #34495e;
-    border-radius: 6px;
+    background-color: var(--color-dark-hover);
+    border-radius: var(--radius-md);
     display: flex;
     flex-direction: column;
     align-items: center;
     justify-content: center;
-    margin-bottom: 0.75rem;
-    color: white;
+    margin-bottom: var(--spacing-md);
+    color: var(--color-text-inverse);
     cursor: pointer;
 }
 
@@ -184,59 +154,33 @@
 }
 
 .video-label {
-    margin-top: 0.5rem;
-    font-size: 0.85rem;
-    font-weight: bold;
-}
-
-.media-actions {
-    display: flex;
-    gap: 0.5rem;
-    margin-bottom: 0.5rem;
-}
-
-.media-actions button {
-    flex: 1;
-    padding: 0.5rem;
-    border: none;
-    border-radius: 4px;
-    cursor: pointer;
-    font-size: 0.85rem;
-    font-weight: bold;
-    transition: all 0.2s;
-}
-
-.insert-btn {
-    background-color: #3498db;
-    color: white;
-}
-
-.insert-btn:hover {
-    background-color: #2980b9;
-}
-
-.delete-btn {
-    background-color: #e74c3c;
-    color: white;
-}
-
-.delete-btn:hover {
-    background-color: #c0392b;
+    margin-top: var(--spacing-sm);
+    font-size: var(--font-size-sm);
+    font-weight: var(--font-weight-bold);
 }
 
 .media-filename {
-    font-size: 0.75rem;
-    color: #666;
+    font-size: var(--font-size-xs);
+    color: var(--color-text-secondary);
     text-align: center;
     overflow: hidden;
     text-overflow: ellipsis;
     white-space: nowrap;
+    margin-top: var(--spacing-sm);
 }
 
-.error-message {
-    background-color: #ffebee;
-    color: #c62828;
-    padding: 0.75rem;
-    border-radius: 4px;
-    margin-bottom: 1rem;
+/* Responsive */
+@media (max-width: 768px) {
+    .media-drawer {
+        height: 50vh;
+    }
+    
+    .drawer-content {
+        padding: var(--spacing-md) var(--spacing-lg);
+    }
+    
+    .media-grid {
+        grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
+        gap: var(--spacing-md);
+    }
 }
\ No newline at end of file
diff --git a/client/kb-frontend/src/components/MediaGallery.jsx b/client/kb-frontend/src/components/MediaGallery.jsx
index 099b0bb..4d70c3f 100644
--- a/client/kb-frontend/src/components/MediaGallery.jsx
+++ b/client/kb-frontend/src/components/MediaGallery.jsx
@@ -60,7 +60,7 @@ function MediaGallery({ kaNumber, token, onInsertMedia, isOpen, onToggle }) {
                 setError(data.error || 'Upload failed');
             }
         } catch(err) {
-            console.error('Failed to uplaod file:', err);
+            console.error('Failed to upload file:', err);
             setError('Failed to upload file');
         } finally {
             setUploading(false);
@@ -106,7 +106,7 @@ function MediaGallery({ kaNumber, token, onInsertMedia, isOpen, onToggle }) {
                 <div className='drawer-content'>
                     <div className='gallery-header'>
                         <h3>Media Gallery - {kaNumber}</h3>
-                        <label className='upload-button'>
+                        <label className='btn btn-success'>
                             <input
                                 type='file'
                                 onChange={handleFileUpload}
@@ -121,11 +121,17 @@ function MediaGallery({ kaNumber, token, onInsertMedia, isOpen, onToggle }) {
                     {error && <div className='error-message'>{error}</div>}
 
                     {loading ? (
-                        <div className="loading">Loading media...</div>
+                        <div className='loading-container'>
+                            <div className='loading-spinner'></div>
+                            <div className='loading-text'>Loading media...</div>
+                        </div>
                     ) : media.length === 0 ? (
-                        <div className="no-media">
-                            <p>No media uploaded yet</p>
-                            <p>Click "Upload Media" to add images or videos</p>
+                        <div className='empty-state'>
+                            <div className='empty-state-icon'>📷</div>
+                            <h3 className='empty-state-title'>No Media Yet</h3>
+                            <p className='empty-state-description'>
+                                Click "Upload Media" to add images or videos to this article.
+                            </p>
                         </div>
                     ) : (
                         <div className='media-grid'>
@@ -144,13 +150,13 @@ function MediaGallery({ kaNumber, token, onInsertMedia, isOpen, onToggle }) {
                                         </div>
                                     )}
 
-                                    <div className='media-actions'>
+                                    <div className='btn-group gap-sm'>
                                         <button
-                                            className='insert-btn'
+                                            className='btn btn-primary btn-sm'
                                             onClick={() => onInsertMedia(item)}
                                         >Insert</button>
                                         <button
-                                            className='delete-btn'
+                                            className='btn btn-danger btn-sm'
                                             onClick={() => handleDelete(item.filename)}
                                         >Delete</button>
                                     </div>
diff --git a/client/kb-frontend/src/components/SearchBar.css b/client/kb-frontend/src/components/SearchBar.css
new file mode 100644
index 0000000..346bf87
--- /dev/null
+++ b/client/kb-frontend/src/components/SearchBar.css
@@ -0,0 +1,70 @@
+/* SearchBar Component Styles */
+
+.search-bar {
+  padding: var(--spacing-xl) var(--spacing-2xl);
+  background-color: var(--color-background);
+  border-bottom: 1px solid var(--color-border);
+}
+
+.search-bar form {
+  display: flex;
+  gap: var(--spacing-md);
+  max-width: 800px;
+  margin: 0 auto;
+}
+
+.search-bar input[type="text"] {
+  flex: 1;
+  padding: var(--spacing-md) var(--spacing-lg);
+  font-size: var(--font-size-base);
+  border: 1px solid var(--color-border);
+  border-radius: var(--radius-sm);
+  background-color: var(--color-background);
+  transition: border-color var(--transition-base);
+}
+
+.search-bar input[type="text"]:focus {
+  outline: none;
+  border-color: var(--color-primary);
+  box-shadow: 0 0 0 3px var(--color-primary-light);
+}
+
+.search-bar input[type="text"]::placeholder {
+  color: var(--color-text-muted);
+}
+
+.search-bar button[type="submit"] {
+  padding: var(--spacing-md) var(--spacing-2xl);
+  background-color: var(--color-primary);
+  color: var(--color-text-inverse);
+  border: none;
+  border-radius: var(--radius-sm);
+  font-size: var(--font-size-base);
+  font-weight: var(--font-weight-medium);
+  cursor: pointer;
+  transition: background-color var(--transition-base);
+  white-space: nowrap;
+}
+
+.search-bar button[type="submit"]:hover {
+  background-color: var(--color-primary-hover);
+}
+
+.search-bar button[type="submit"]:active {
+  transform: translateY(1px);
+}
+
+/* Responsive */
+@media (max-width: 640px) {
+  .search-bar {
+    padding: var(--spacing-lg);
+  }
+  
+  .search-bar form {
+    flex-direction: column;
+  }
+  
+  .search-bar button[type="submit"] {
+    width: 100%;
+  }
+}
\ No newline at end of file
diff --git a/client/kb-frontend/src/components/SearchBar.jsx b/client/kb-frontend/src/components/SearchBar.jsx
index 174b6c1..e10956e 100644
--- a/client/kb-frontend/src/components/SearchBar.jsx
+++ b/client/kb-frontend/src/components/SearchBar.jsx
@@ -1,5 +1,6 @@
 //import 'SearchBar.css'
 import { useState } from 'react';
+import './SearchBar.css';
 
 function SearchBar({ onSearch }) {
     const [query, setQuery] = useState('');
@@ -16,15 +17,10 @@ function SearchBar({ onSearch }) {
                     type='text'
                     placeholder='Search articles by title, content, or KA number...'
                     value={query}
-                    onChange={(e) => setQuery(e.target.value)}
-
-                    /*  USer this for instant search
                     onChange={(e) => {
                         setQuery(e.target.value);
                         onSearch(e.target.value);
                     }}
-                    */
-    
                 />
                 <button type='submit'>Search</button>
             </form>
diff --git a/client/kb-frontend/src/index.css b/client/kb-frontend/src/index.css
index 08a3ac9..970222d 100644
--- a/client/kb-frontend/src/index.css
+++ b/client/kb-frontend/src/index.css
@@ -1,68 +1,60 @@
+/* Base Reset & Typography */
+* {
+  box-sizing: border-box;
+}
+
 :root {
-  font-family: system-ui, Avenir, Helvetica, Arial, sans-serif;
+  font-family: system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
   line-height: 1.5;
   font-weight: 400;
-
-  color-scheme: light dark;
-  color: rgba(255, 255, 255, 0.87);
-  background-color: #242424;
-
+  
   font-synthesis: none;
   text-rendering: optimizeLegibility;
   -webkit-font-smoothing: antialiased;
   -moz-osx-font-smoothing: grayscale;
 }
 
-a {
-  font-weight: 500;
-  color: #646cff;
-  text-decoration: inherit;
-}
-a:hover {
-  color: #535bf2;
-}
-
 body {
   margin: 0;
-  display: flex;
-  place-items: center;
   min-width: 320px;
   min-height: 100vh;
+  background-color: var(--color-background);
+  color: var(--color-text-primary);
+}
+
+h1, h2, h3, h4, h5, h6 {
+  line-height: 1.2;
+  margin-top: 0;
 }
 
 h1 {
-  font-size: 3.2em;
+  font-size: 2rem;
   line-height: 1.1;
 }
 
-button {
-  border-radius: 8px;
-  border: 1px solid transparent;
-  padding: 0.6em 1.2em;
-  font-size: 1em;
-  font-weight: 500;
-  font-family: inherit;
-  background-color: #1a1a1a;
-  cursor: pointer;
-  transition: border-color 0.25s;
-}
-button:hover {
-  border-color: #646cff;
-}
-button:focus,
-button:focus-visible {
-  outline: 4px auto -webkit-focus-ring-color;
+a {
+  color: var(--color-primary);
+  text-decoration: none;
+  transition: color var(--transition-base);
 }
 
-@media (prefers-color-scheme: light) {
-  :root {
-    color: #213547;
-    background-color: #ffffff;
-  }
-  a:hover {
-    color: #747bff;
-  }
-  button {
-    background-color: #f9f9f9;
-  }
+a:hover {
+  color: var(--color-primary-hover);
 }
+
+/* Remove default button styles - our .btn class will handle it */
+button {
+  font-family: inherit;
+}
+
+/* App container */
+#root {
+  min-height: 100vh;
+}
+
+/* Override Vite's centered layout */
+.app {
+  min-height: 100vh;
+  display: flex;
+  flex-direction: column;
+}
\ No newline at end of file
diff --git a/client/kb-frontend/src/styles/shared.css b/client/kb-frontend/src/styles/shared.css
index e69de29..60d64a3 100644
--- a/client/kb-frontend/src/styles/shared.css
+++ b/client/kb-frontend/src/styles/shared.css
@@ -0,0 +1,599 @@
+/* Cram-A-Lot Knowledge Base - Shared Component Styles */
+/* Import this in your main.jsx or index.jsx after variables.css */
+
+/* ===== BUTTONS ===== */
+
+/* Base button styles */
+.btn {
+  display: inline-flex;
+  align-items: center;
+  justify-content: center;
+  gap: var(--spacing-sm);
+  padding: var(--spacing-md) var(--spacing-xl);
+  font-size: var(--font-size-base);
+  font-weight: var(--font-weight-medium);
+  line-height: 1;
+  border: none;
+  border-radius: var(--radius-sm);
+  cursor: pointer;
+  transition: all var(--transition-base);
+  text-decoration: none;
+  white-space: nowrap;
+}
+
+.btn:disabled {
+  opacity: 0.6;
+  cursor: not-allowed;
+}
+
+/* Button sizes */
+.btn-sm {
+  padding: var(--spacing-sm) var(--spacing-lg);
+  font-size: var(--font-size-sm);
+}
+
+.btn-lg {
+  padding: var(--spacing-lg) var(--spacing-2xl);
+  font-size: var(--font-size-lg);
+}
+
+/* Button variants */
+.btn-primary {
+  background-color: var(--color-primary);
+  color: var(--color-text-inverse);
+}
+
+.btn-primary:hover:not(:disabled) {
+  background-color: var(--color-primary-hover);
+}
+
+.btn-success {
+  background-color: var(--color-success);
+  color: var(--color-text-inverse);
+}
+
+.btn-success:hover:not(:disabled) {
+  background-color: var(--color-success-hover);
+}
+
+.btn-danger {
+  background-color: var(--color-danger);
+  color: var(--color-text-inverse);
+}
+
+.btn-danger:hover:not(:disabled) {
+  background-color: var(--color-danger-hover);
+}
+
+.btn-secondary {
+  background-color: var(--color-dark-light);
+  color: var(--color-text-inverse);
+}
+
+.btn-secondary:hover:not(:disabled) {
+  background-color: var(--color-dark-hover);
+}
+
+.btn-ghost {
+  background-color: transparent;
+  color: var(--color-text-primary);
+  border: 1px solid var(--color-border);
+}
+
+.btn-ghost:hover:not(:disabled) {
+  background-color: var(--color-gray-200);
+  border-color: var(--color-gray-400);
+}
+
+.btn-link {
+  background: none;
+  border: none;
+  color: var(--color-primary);
+  text-decoration: underline;
+  padding: 0;
+}
+
+.btn-link:hover:not(:disabled) {
+  color: var(--color-primary-hover);
+}
+
+/* Button groups */
+.btn-group {
+  display: flex;
+  gap: var(--spacing-lg);
+  align-items: center;
+}
+
+/* ===== BADGES ===== */
+
+.badge {
+  display: inline-flex;
+  align-items: center;
+  gap: var(--spacing-sm);
+  padding: var(--spacing-sm) var(--spacing-md);
+  border-radius: var(--radius-2xl);
+  font-size: var(--font-size-sm);
+  font-weight: var(--font-weight-medium);
+  line-height: 1;
+  white-space: nowrap;
+}
+
+.badge-sm {
+  padding: var(--spacing-xs) var(--spacing-sm);
+  font-size: var(--font-size-xs);
+}
+
+.badge-lg {
+  padding: var(--spacing-md) var(--spacing-lg);
+  font-size: var(--font-size-base);
+}
+
+/* Badge variants */
+.badge-primary {
+  background-color: var(--color-primary);
+  color: var(--color-text-inverse);
+}
+
+.badge-success {
+  background-color: var(--color-success);
+  color: var(--color-text-inverse);
+}
+
+.badge-danger {
+  background-color: var(--color-danger);
+  color: var(--color-text-inverse);
+}
+
+.badge-warning {
+  background-color: var(--color-warning);
+  color: var(--color-text-inverse);
+}
+
+.badge-secondary {
+  background-color: var(--color-dark-light);
+  color: var(--color-text-inverse);
+}
+
+.badge-gray {
+  background-color: var(--color-gray-400);
+  color: var(--color-text-inverse);
+}
+
+/* Special badge types for app */
+.category-badge {
+  background-color: var(--color-primary);
+  color: var(--color-text-inverse);
+}
+
+.tag-badge {
+  background-color: var(--color-success);
+  color: var(--color-text-inverse);
+}
+
+.draft-badge {
+  background-color: var(--color-warning);
+  color: var(--color-text-inverse);
+}
+
+.ka-number-badge {
+  background-color: var(--color-primary);
+  color: var(--color-text-inverse);
+  padding: var(--spacing-xs) var(--spacing-sm);
+  border-radius: var(--radius-sm);
+  font-size: var(--font-size-sm);
+}
+
+/* Badge with remove button */
+.badge-removable {
+  padding-right: var(--spacing-xs);
+}
+
+.badge-remove {
+  background: none;
+  border: none;
+  color: inherit;
+  font-size: 1.2rem;
+  cursor: pointer;
+  padding: 0 var(--spacing-xs);
+  line-height: 1;
+  opacity: 0.8;
+  transition: opacity var(--transition-fast);
+}
+
+.badge-remove:hover {
+  opacity: 1;
+}
+
+/* Badge container */
+.badge-group {
+  display: flex;
+  flex-wrap: wrap;
+  gap: var(--spacing-sm);
+  align-items: center;
+}
+
+/* ===== FORM ELEMENTS ===== */
+
+.form-field {
+  margin-bottom: var(--spacing-xl);
+}
+
+.form-field label {
+  display: block;
+  font-weight: var(--font-weight-bold);
+  margin-bottom: var(--spacing-sm);
+  color: var(--color-text-primary);
+  font-size: var(--font-size-md);
+}
+
+.form-input,
+.form-textarea,
+.form-select {
+  width: 100%;
+  padding: var(--spacing-md);
+  font-size: var(--font-size-base);
+  border: 1px solid var(--color-border);
+  border-radius: var(--radius-sm);
+  background-color: var(--color-background);
+  transition: border-color var(--transition-base);
+  box-sizing: border-box;
+}
+
+.form-input:focus,
+.form-textarea:focus,
+.form-select:focus {
+  outline: none;
+  border-color: var(--color-primary);
+}
+
+.form-input:disabled,
+.form-textarea:disabled,
+.form-select:disabled {
+  background-color: var(--color-gray-200);
+  cursor: not-allowed;
+  opacity: 0.6;
+}
+
+.form-textarea {
+  min-height: 120px;
+  resize: vertical;
+}
+
+/* Form helper text */
+.form-helper {
+  display: block;
+  margin-top: var(--spacing-xs);
+  font-size: var(--font-size-sm);
+  color: var(--color-text-muted);
+}
+
+.form-error {
+  color: var(--color-danger);
+}
+
+/* ===== MESSAGES & ALERTS ===== */
+
+.message {
+  padding: var(--spacing-lg);
+  border-radius: var(--radius-sm);
+  margin-bottom: var(--spacing-lg);
+  display: flex;
+  align-items: flex-start;
+  gap: var(--spacing-md);
+}
+
+.error-message {
+  background-color: var(--color-danger-light);
+  color: var(--color-danger-hover);
+  border: 1px solid var(--color-danger);
+}
+
+.success-message {
+  background-color: var(--color-success-light);
+  color: var(--color-success-hover);
+  border: 1px solid var(--color-success);
+}
+
+.warning-message {
+  background-color: var(--color-warning-light);
+  color: var(--color-warning-hover);
+  border: 1px solid var(--color-warning);
+}
+
+.info-message {
+  background-color: var(--color-primary-light);
+  color: var(--color-primary-hover);
+  border: 1px solid var(--color-primary);
+}
+
+/* ===== LOADING STATES ===== */
+
+.loading-container {
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+  justify-content: center;
+  padding: var(--spacing-3xl) var(--spacing-2xl);
+  color: var(--color-text-muted);
+}
+
+.loading-spinner {
+  width: 40px;
+  height: 40px;
+  border: 4px solid var(--color-gray-300);
+  border-top-color: var(--color-primary);
+  border-radius: 50%;
+  animation: spin 0.8s linear infinite;
+}
+
+.loading-spinner-sm {
+  width: 24px;
+  height: 24px;
+  border-width: 3px;
+}
+
+.loading-spinner-lg {
+  width: 56px;
+  height: 56px;
+  border-width: 5px;
+}
+
+.loading-text {
+  margin-top: var(--spacing-lg);
+  font-size: var(--font-size-base);
+  color: var(--color-text-secondary);
+}
+
+@keyframes spin {
+  to {
+    transform: rotate(360deg);
+  }
+}
+
+/* ===== EMPTY STATES ===== */
+
+.empty-state {
+  text-align: center;
+  padding: var(--spacing-3xl) var(--spacing-2xl);
+  color: var(--color-text-muted);
+}
+
+.empty-state-icon {
+  font-size: var(--font-size-3xl);
+  margin-bottom: var(--spacing-lg);
+  opacity: 0.5;
+}
+
+.empty-state-title {
+  font-size: var(--font-size-xl);
+  font-weight: var(--font-weight-semibold);
+  color: var(--color-text-secondary);
+  margin-bottom: var(--spacing-sm);
+}
+
+.empty-state-description {
+  font-size: var(--font-size-base);
+  color: var(--color-text-muted);
+  margin-bottom: var(--spacing-xl);
+}
+
+/* ===== DROPDOWNS ===== */
+
+.dropdown-container {
+  position: relative;
+}
+
+.dropdown-button {
+  width: 100%;
+  padding: var(--spacing-md);
+  background-color: var(--color-background);
+  border: 1px solid var(--color-border);
+  border-radius: var(--radius-sm);
+  cursor: pointer;
+  display: flex;
+  justify-content: space-between;
+  align-items: center;
+  text-align: left;
+  font-size: var(--font-size-base);
+  transition: border-color var(--transition-base);
+}
+
+.dropdown-button:hover {
+  border-color: var(--color-primary);
+}
+
+.dropdown-arrow {
+  color: var(--color-text-muted);
+  font-size: var(--font-size-sm);
+  transition: transform var(--transition-base);
+}
+
+.dropdown-arrow.open {
+  transform: rotate(180deg);
+}
+
+.dropdown-menu {
+  position: absolute;
+  top: calc(100% + var(--spacing-xs));
+  left: 0;
+  right: 0;
+  background: var(--color-background);
+  border: 1px solid var(--color-border);
+  border-radius: var(--radius-sm);
+  max-height: 250px;
+  overflow-y: auto;
+  z-index: var(--z-dropdown);
+  box-shadow: var(--shadow-lg);
+}
+
+.dropdown-item {
+  padding: var(--spacing-md);
+  cursor: pointer;
+  transition: background-color var(--transition-base);
+  display: flex;
+  align-items: center;
+  gap: var(--spacing-md);
+}
+
+.dropdown-item:hover {
+  background-color: var(--color-gray-100);
+}
+
+.dropdown-item input[type="checkbox"] {
+  cursor: pointer;
+}
+
+.dropdown-divider {
+  height: 1px;
+  background-color: var(--color-border);
+  margin: var(--spacing-xs) 0;
+}
+
+.dropdown-header {
+  padding: var(--spacing-md);
+  font-weight: var(--font-weight-bold);
+  color: var(--color-text-secondary);
+  font-size: var(--font-size-sm);
+  background-color: var(--color-gray-100);
+}
+
+.dropdown-empty {
+  padding: var(--spacing-lg);
+  text-align: center;
+  color: var(--color-text-muted);
+  font-size: var(--font-size-sm);
+}
+
+/* ===== CARDS ===== */
+
+.card {
+  background: var(--color-background);
+  border: 1px solid var(--color-border-light);
+  border-radius: var(--radius-lg);
+  padding: var(--spacing-xl);
+  transition: all var(--transition-base);
+}
+
+.card-hover:hover {
+  border-color: var(--color-primary);
+  box-shadow: var(--shadow-lg);
+  transform: translateY(-2px);
+}
+
+.card-header {
+  display: flex;
+  justify-content: space-between;
+  align-items: center;
+  margin-bottom: var(--spacing-lg);
+}
+
+.card-title {
+  font-size: var(--font-size-xl);
+  font-weight: var(--font-weight-bold);
+  color: var(--color-text-primary);
+  margin: 0;
+}
+
+.card-body {
+  color: var(--color-text-secondary);
+  line-height: var(--line-height-relaxed);
+}
+
+.card-footer {
+  display: flex;
+  justify-content: space-between;
+  align-items: center;
+  margin-top: var(--spacing-lg);
+  padding-top: var(--spacing-lg);
+  border-top: 1px solid var(--color-border-light);
+}
+
+/* ===== HEADERS & SECTIONS ===== */
+
+.page-header {
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+  margin-bottom: var(--spacing-2xl);
+  padding-bottom: var(--spacing-lg);
+  border-bottom: 2px solid var(--color-border-dark);
+}
+
+.page-title {
+  font-size: var(--font-size-2xl);
+  font-weight: var(--font-weight-bold);
+  color: var(--color-text-primary);
+  margin: 0;
+}
+
+.section {
+  margin-bottom: var(--spacing-3xl);
+}
+
+.section-title {
+  font-size: var(--font-size-xl);
+  font-weight: var(--font-weight-bold);
+  color: var(--color-text-primary);
+  margin-bottom: var(--spacing-lg);
+}
+
+/* ===== UTILITIES ===== */
+
+.text-center {
+  text-align: center;
+}
+
+.text-muted {
+  color: var(--color-text-muted);
+}
+
+.text-secondary {
+  color: var(--color-text-secondary);
+}
+
+.text-sm {
+  font-size: var(--font-size-sm);
+}
+
+.text-lg {
+  font-size: var(--font-size-lg);
+}
+
+.font-bold {
+  font-weight: var(--font-weight-bold);
+}
+
+.mt-0 { margin-top: 0; }
+.mt-sm { margin-top: var(--spacing-sm); }
+.mt-md { margin-top: var(--spacing-md); }
+.mt-lg { margin-top: var(--spacing-lg); }
+.mt-xl { margin-top: var(--spacing-xl); }
+.mt-2xl { margin-top: var(--spacing-2xl); }
+
+.mb-0 { margin-bottom: 0; }
+.mb-sm { margin-bottom: var(--spacing-sm); }
+.mb-md { margin-bottom: var(--spacing-md); }
+.mb-lg { margin-bottom: var(--spacing-lg); }
+.mb-xl { margin-bottom: var(--spacing-xl); }
+.mb-2xl { margin-bottom: var(--spacing-2xl); }
+
+.flex {
+  display: flex;
+}
+
+.flex-col {
+  flex-direction: column;
+}
+
+.items-center {
+  align-items: center;
+}
+
+.justify-between {
+  justify-content: space-between;
+}
+
+.gap-sm { gap: var(--spacing-sm); }
+.gap-md { gap: var(--spacing-md); }
+.gap-lg { gap: var(--spacing-lg); }
+.gap-xl { gap: var(--spacing-xl); }
\ No newline at end of file
diff --git a/client/kb-frontend/src/styles/variable.css b/client/kb-frontend/src/styles/variable.css
deleted file mode 100644
index e69de29..0000000
diff --git a/client/kb-frontend/src/styles/variables.css b/client/kb-frontend/src/styles/variables.css
new file mode 100644
index 0000000..a80ef4c
--- /dev/null
+++ b/client/kb-frontend/src/styles/variables.css
@@ -0,0 +1,133 @@
+/* Cram-A-Lot Knowledge Base - Design System Variables */
+
+:root {
+  /* ===== COLORS ===== */
+  
+  /* Primary Blue */
+  --color-primary: #3498db;
+  --color-primary-hover: #2980b9;
+  --color-primary-light: #ebf5fb;
+  
+  /* Success Green */
+  --color-success: #27ae60;
+  --color-success-hover: #229954;
+  --color-success-light: #e8f6f0;
+  
+  /* Danger Red */
+  --color-danger: #e74c3c;
+  --color-danger-hover: #c0392b;
+  --color-danger-light: #ffebee;
+  
+  /* Warning Orange */
+  --color-warning: #f39c12;
+  --color-warning-hover: #e67e22;
+  --color-warning-light: #fef5e7;
+  
+  /* Neutral Grays */
+  --color-gray-50: #fafafa;
+  --color-gray-100: #f9f9f9;
+  --color-gray-200: #f5f5f5;
+  --color-gray-300: #e0e0e0;
+  --color-gray-400: #bbb;
+  --color-gray-500: #999;
+  --color-gray-600: #666;
+  --color-gray-700: #333;
+  --color-gray-800: #242424;
+  
+  /* Dark Colors */
+  --color-dark: #2c3e50;
+  --color-dark-hover: #34495e;
+  --color-dark-light: #7f8c8d;
+  
+  /* Semantic Colors */
+  --color-text-primary: #2c3e50;
+  --color-text-secondary: #666;
+  --color-text-muted: #999;
+  --color-text-inverse: #ffffff;
+  
+  --color-border: #ddd;
+  --color-border-light: #e0e0e0;
+  --color-border-dark: #333;
+  
+  --color-background: #ffffff;
+  --color-background-alt: #f9f9f9;
+  --color-background-dark: #242424;
+  
+  /* ===== SPACING SCALE ===== */
+  --spacing-xs: 0.25rem;    /* 4px */
+  --spacing-sm: 0.5rem;     /* 8px */
+  --spacing-md: 0.75rem;    /* 12px */
+  --spacing-lg: 1rem;       /* 16px */
+  --spacing-xl: 1.5rem;     /* 24px */
+  --spacing-2xl: 2rem;      /* 32px */
+  --spacing-3xl: 3rem;      /* 48px */
+  --spacing-4xl: 4rem;      /* 64px */
+  
+  /* ===== TYPOGRAPHY ===== */
+  --font-size-xs: 0.75rem;  /* 12px */
+  --font-size-sm: 0.85rem;  /* 13.6px */
+  --font-size-base: 1rem;   /* 16px */
+  --font-size-md: 0.95rem;  /* 15.2px */
+  --font-size-lg: 1.1rem;   /* 17.6px */
+  --font-size-xl: 1.25rem;  /* 20px */
+  --font-size-2xl: 1.5rem;  /* 24px */
+  --font-size-3xl: 2rem;    /* 32px */
+  
+  --font-weight-normal: 400;
+  --font-weight-medium: 500;
+  --font-weight-semibold: 600;
+  --font-weight-bold: 700;
+  
+  --line-height-tight: 1.2;
+  --line-height-snug: 1.4;
+  --line-height-normal: 1.5;
+  --line-height-relaxed: 1.6;
+  
+  /* ===== BORDER RADIUS ===== */
+  --radius-sm: 4px;
+  --radius-md: 6px;
+  --radius-lg: 8px;
+  --radius-xl: 12px;
+  --radius-2xl: 16px;
+  --radius-full: 9999px;
+  
+  /* ===== SHADOWS ===== */
+  --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.05);
+  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
+  --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.1);
+  --shadow-lg: 0 4px 12px rgba(0, 0, 0, 0.15);
+  --shadow-xl: 0 8px 24px rgba(0, 0, 0, 0.2);
+  
+  /* ===== TRANSITIONS ===== */
+  --transition-fast: 0.15s ease;
+  --transition-base: 0.2s ease;
+  --transition-slow: 0.3s ease;
+  --transition-slower: 0.4s ease;
+  
+  /* ===== Z-INDEX SCALE ===== */
+  --z-base: 1;
+  --z-dropdown: 100;
+  --z-sticky: 500;
+  --z-fixed: 1000;
+  --z-drawer: 1000;
+  --z-drawer-toggle: 1001;
+  --z-modal-backdrop: 1040;
+  --z-modal: 1050;
+  --z-popover: 1060;
+  --z-tooltip: 1070;
+  
+  /* ===== LAYOUT ===== */
+  --max-width-xs: 480px;
+  --max-width-sm: 640px;
+  --max-width-md: 768px;
+  --max-width-lg: 900px;
+  --max-width-xl: 1024px;
+  --max-width-2xl: 1280px;
+  --max-width-3xl: 1400px;
+  
+  /* ===== BREAKPOINTS (for reference, use in media queries) ===== */
+  --breakpoint-sm: 640px;
+  --breakpoint-md: 768px;
+  --breakpoint-lg: 1024px;
+  --breakpoint-xl: 1280px;
+}
\ No newline at end of file