fixed ui ux related issues,resolve chat format and response

frontend/src/App.css

@@ -1,16 +1,21 @@
 :root {
-  --primary-color: #17419b;
-  --secondary-color: #38bdf8;
-  --accent-color: #5d24fb;
+  --primary-color: #0084ff;
+  --primary-dark: #0073e6;
+  --secondary-color: #1a96d4;
+  --accent-color: #31a24c;
   --error-color: #dc2626;
-  --text-color: #1f2937;
-  --bg-color: #f3f4f6;
-  --bg-gradient: linear-gradient(135deg, #e0e7ff 0%, #f0fdfa 100%);
-  --border-color: #e5e7eb;
-  --user-message-bg: #e0f2fe;
-  --other-message-bg: #f1f5f9;
-  --system-message-bg: #c3e6fe;
-  --system-message-color: #ae09b4;
+  --text-color: #000;
+  --text-secondary: #65676b;
+  --bg-color: #ffffff;
+  --bg-secondary: #f0f0f0;
+  --bg-gradient: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
+  --border-color: #e5e5e5;
+  --user-message-bg: #0084ff;
+  --user-message-text: #ffffff;
+  --other-message-bg: #e5e5ea;
+  --other-message-text: #000;
+  --system-message-bg: #f0f0f0;
+  --system-message-color: #65676b;
 }
 
 * {
@@ -20,7 +25,7 @@
 body {
   min-height: 100vh;
   background: var(--bg-gradient);
-  font-family: 'Segoe UI', 'Roboto', Arial, sans-serif;
+  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Helvetica Neue', sans-serif;
   overflow: hidden;
 }
 
@@ -32,11 +37,11 @@ body {
 }
 
 .app-header {
-  background-color: white;
-  padding: 1rem;
-  border-bottom: 1px solid var(--border-color);
+  background-color: var(--primary-color);
+  padding: 1rem 1.5rem;
+  border-bottom: none;
   width: 100%;
-  box-shadow: 0 2px 8px rgba(37,99,235,0.08);
+  box-shadow: 0 2px 8px rgba(0, 132, 255, 0.15);
   z-index: 10;
   position: relative;
 }
@@ -48,7 +53,14 @@ body {
   display: flex;
   justify-content: space-between;
   align-items: center;
-  padding: 0 1rem;
+  padding: 0;
+}
+
+.header-content h1 {
+  color: white;
+  font-size: 1.5rem;
+  font-weight: 600;
+  margin: 0;
 }
 
 .header-content nav {

frontend/src/components/Auth/AuthForms.module.css

@@ -1,67 +1,107 @@
 .form {
   display: flex;
   flex-direction: column;
-  gap: 12px;
-  width: 320px;
-  padding: 16px;
-  background: #ffffff;
-  border-radius: 8px;
-  box-shadow: 0 8px 24px rgba(0,0,0,0.08);
+  gap: var(--spacing-lg);
+  width: 100%;
+  max-width: 400px;
+  padding: var(--spacing-xl);
+  background-color: var(--light-bg);
+  border: 1px solid var(--border-color);
+  border-radius: var(--radius-lg);
+  box-shadow: var(--shadow-lg);
   position: absolute;
   top: 50%;
   left: 50%;
   transform: translate(-50%, -50%);
+  color: var(--text-primary);
+  transition: all var(--transition-normal);
 }
 
 .form h2 {
-  margin: 0 0 8px 0;
+  margin: 0;
+  text-align: center;
+  color: var(--text-primary);
+  font-size: 1.75rem;
+  font-weight: 700;
 }
 
 .form label {
   display: flex;
   flex-direction: column;
-  font-size: 14px;
+  gap: var(--spacing-xs);
+  font-size: 0.95rem;
+  font-weight: 500;
+  color: var(--text-secondary);
 }
 
 .form input {
-  margin-top: 4px;
-  padding: 10px 12px;
-  border: 1px solid #d0d7de;
-  border-radius: 6px;
+  padding: 12px 16px;
+  border: 1px solid var(--border-color);
+  border-radius: var(--radius-md);
+  background-color: var(--light-bg); /* Matches card bg */
+  color: var(--text-primary);
+  font-size: 1rem;
+  transition: all var(--transition-fast);
+}
+
+.form input:focus {
+  border-color: var(--primary-blue);
+  box-shadow: 0 0 0 3px rgba(0, 132, 255, 0.15);
+  outline: none;
 }
 
 .form button {
-  margin-top: 6px;
-  padding: 10px 12px;
-  background: #0d5bd7;
-  color: white;
+  margin-top: var(--spacing-sm);
+  padding: 12px;
+  background-color: var(--primary-blue);
+  color: #ffffff; /* Always white text on primary button */
   border: none;
-  border-radius: 6px;
+  border-radius: var(--radius-md);
+  font-size: 1rem;
+  font-weight: 600;
   cursor: pointer;
+  transition: all var(--transition-fast);
+  box-shadow: var(--shadow-sm);
+}
+
+.form button:hover:not(:disabled) {
+  background-color: var(--primary-blue-dark);
+  transform: translateY(-1px);
+  box-shadow: var(--shadow-md);
+}
+
+.form button:disabled {
+  opacity: 0.7;
+  cursor: not-allowed;
+  transform: none;
 }
 
 .error {
-  color: #b42318;
-  background: #fee4e2;
-  border: 1px solid #fda29b;
-  padding: 8px;
-  border-radius: 6px;
+  color: #d32f2f;
+  background-color: #ffebee;
+  border: 1px solid #ffcdd2;
+  padding: 12px;
+  border-radius: var(--radius-md);
+  font-size: 0.9rem;
+  text-align: center;
 }
 
 .link {
   text-align: center;
-  margin-top: 8px;
-  font-size: 14px;
-  color: #656d76;
+  margin-top: var(--spacing-sm);
+  font-size: 0.95rem;
+  color: var(--text-secondary);
 }
 
 .link a {
-  color: #0d5bd7;
+  color: var(--primary-blue);
   text-decoration: none;
-  font-weight: 500;
+  font-weight: 600;
+  transition: color var(--transition-fast);
 }
 
 .link a:hover {
+  color: var(--primary-blue-dark);
   text-decoration: underline;
 }
 

frontend/src/components/Message/Message.jsx

@@ -64,7 +64,7 @@ export default function Message({ user, text, sender, timestamp, updatedAt, onDe
 
     return (
         <div 
-            className={styles.message}
+            className={`${styles.message} ${user === sender ? styles['user-message'] : ''}`}
             onMouseEnter={() => setIsHovered(true)}
             onMouseLeave={() => setIsHovered(false)}    
             style={{ position: 'relative' }}
@@ -132,4 +132,4 @@ export default function Message({ user, text, sender, timestamp, updatedAt, onDe
             )}
         </div>
     );
-};
+};