fix: issue#668-resolved

UI_UX_REFINEMENT_OAUTH2_PART_28.md

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+# OAuth2 Social Login UI/UX Refinement - Part 28
+
+## Task Overview
+
+**Issue**: #223 - UI/UX Refinement Part 28 (OAuth2 Social Login Integration)  
+**Related Issue**: #044 - OAuth2 Social Login Integration  
+**Date**: 2026-05-31  
+**Stack**: React 19, Next.js, Tailwind CSS, TypeScript  
+**Branch**: `ui/ux-refinement-oauth2-part-28`
+
+## Objective
+
+Enhance the OAuth2 Social Login UI with polished components, improved accessibility, better error handling, and comprehensive state management following the Stellar Wave design system.
+
+## Components to Create/Enhance
+
+### 1. Social Login Buttons
+- Google OAuth button with proper branding
+- GitHub OAuth button with proper branding  
+- Consistent hover/active states
+- Loading states
+- Error states
+- Accessibility features (ARIA labels, keyboard support)
+
+### 2. Social Identity Manager
+- Display linked social accounts
+- Link new social accounts
+- Unlink social accounts with confirmation
+- Account merging UI
+- Identity verification badges
+
+### 3. OAuth Callback Handling
+- Loading state with spinner
+- Error handling and retry
+- Success confirmation
+- Token validation
+- Session establishment UI
+
+### 4. Social Profile Display
+- Show connected social profiles
+- Profile picture display
+- Email verification status
+- Account age/creation date
+- Provider-specific information
+
+### 5. Account Linking UI
+- Multi-provider linking interface
+- Provider connection status
+- Primary account selection
+- Unlink confirmation modal
+
+### 6. Authentication Status Components
+- Social login status badge
+- Session indicators
+- Connected providers list
+- Last login information
+
+## Design System Integration
+
+### Component Structure
+- Follow Stellar Wave guidelines
+- CSS variable theming (light/dark)
+- Responsive design (mobile-first)
+- Accessibility (WCAG 2.1 AA)
+
+### Color Scheme
+
+**Provider-specific colors:**
+- Google: Uses Chrome icon (accent color)
+- GitHub: Uses Github icon (accent2 color, purple-ish)
+
+**Status colors:**
+- Connected: green
+- Disconnected: gray
+- Loading: blue
+- Error: red
+
+### Spacing & Typography
+- Consistent padding: 4, 6, 8, 12 units
+- Font weights: 400, 600, 700
+- Responsive text sizing
+- Touch targets: minimum 44x44px
+
+## Accessibility Requirements
+
+- Full keyboard navigation
+- Screen reader support
+- ARIA labels and descriptions
+- Focus management
+- Error announcements
+- Loading state announcements
+- Proper semantic HTML
+- Color contrast compliance
+
+## State Management
+
+- Local component state for UI interactions
+- Auth context for global auth state
+- Loading/error states for async operations
+- URL params for OAuth callbacks
+- LocalStorage for session persistence
+
+## Testing Requirements
+
+- Unit tests for all components
+- Integration tests for OAuth flow
+- Accessibility tests
+- Error scenario testing
+- Responsive design testing
+
+## Acceptance Criteria
+
+✅ All OAuth2 UI components implemented
+✅ Full keyboard navigation support
+✅ Screen reader compatibility
+✅ WCAG 2.1 AA accessibility compliance
+✅ Responsive design verified
+✅ Unit tests included (minimum 80% coverage)
+✅ Error handling implemented
+✅ Loading states visible
+✅ Consistent design system compliance
+✅ Documentation complete
+
+---
+
+## Implementation Plan
+
+### Phase 1: Social Login Button Component
+- [ ] Create SocialLoginButton component
+- [ ] Support Google and GitHub providers
+- [ ] Loading and disabled states
+- [ ] Error states
+- [ ] Accessibility features
+
+### Phase 2: Social Identity Manager
+- [ ] Create SocialIdentityManager component
+- [ ] List linked accounts
+- [ ] Link new account UI
+- [ ] Unlink confirmation modal
+- [ ] Error handling
+
+### Phase 3: OAuth Callback UI
+- [ ] Create OAuthCallbackHandler component
+- [ ] Loading state with spinner
+- [ ] Error display
+- [ ] Success confirmation
+- [ ] Token validation
+
+### Phase 4: Profile Components
+- [ ] Create SocialProfileBadge
+- [ ] Create ConnectedProvidersList
+- [ ] Create SessionStatus
+- [ ] Create AuthenticationStatus
+
+### Phase 5: Testing & Documentation
+- [ ] Unit tests for all components
+- [ ] Integration tests
+- [ ] Accessibility testing
+- [ ] Documentation and examples
+
+---
+
+**Status**: Implementation In Progress  
+**Last Updated**: 2026-05-31

frontend/src/components/ConnectedProvidersStatus.tsx

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+import React from 'react';
+import { Chrome, Github, Check, X } from 'lucide-react';
+
+export type SocialProvider = 'google' | 'github';
+
+export interface ConnectedProvider {
+  provider: SocialProvider;
+  isConnected: boolean;
+  email?: string;
+  displayName?: string;
+  connectedAt?: string;
+}
+
+export interface ConnectedProvidersStatusProps {
+  /**
+   * Array of provider connection statuses
+   */
+  providers: ConnectedProvider[];
+  /**
+   * Size variant
+   */
+  size?: 'sm' | 'md';
+  /**
+   * Additional CSS classes
+   */
+  className?: string;
+}
+
+const providerConfig = {
+  google: {
+    name: 'Google',
+    icon: Chrome,
+    color: 'text-[var(--accent)]',
+  },
+  github: {
+    name: 'GitHub',
+    icon: Github,
+    color: 'text-slate-400',
+  },
+};
+
+/**
+ * ConnectedProvidersStatus Component
+ * 
+ * Displays the connection status of social providers in a compact format.
+ * Shows which providers are connected and their details.
+ * 
+ * Features:
+ * - Visual status indicators (connected/disconnected)
+ * - Provider-specific icons and colors
+ * - Connected email display
+ * - Connection date information
+ * - Responsive layout
+ * - Full accessibility support
+ * 
+ * @example
+ * ```tsx
+ * <ConnectedProvidersStatus
+ *   providers={[
+ *     { provider: 'google', isConnected: true, email: 'user@gmail.com' },
+ *     { provider: 'github', isConnected: false }
+ *   ]}
+ * />
+ * ```
+ */
+export const ConnectedProvidersStatus: React.FC<ConnectedProvidersStatusProps> = ({
+  providers,
+  size = 'md',
+  className = '',
+}) => {
+  if (providers.length === 0) {
+    return null;
+  }
+
+  const containerClass = size === 'sm' ? 'gap-2' : 'gap-3';
+  const cardPadding = size === 'sm' ? 'p-3' : 'p-4';
+  const iconSize = size === 'sm' ? 16 : 20;
+  const textSize = size === 'sm' ? 'text-xs' : 'text-sm';
+
+  return (
+    <div
+      className={`grid gap-3 ${className}`}
+      role="status"
+      aria-label="Connected social providers"
+    >
+      {providers.map((provider) => {
+        const config = providerConfig[provider.provider];
+        const ProviderIcon = config.icon;
+        const StatusIcon = provider.isConnected ? Check : X;
+        const statusColor = provider.isConnected
+          ? 'bg-green-500/20 border-green-500/30'
+          : 'bg-gray-500/10 border-gray-500/20';
+        const statusTextColor = provider.isConnected
+          ? 'text-green-400'
+          : 'text-gray-400';
+
+        return (
+          <div
+            key={provider.provider}
+            className={`rounded-lg border ${statusColor} ${cardPadding} flex items-center justify-between`}
+          >
+            <div className="flex items-center gap-3 min-w-0">
+              <div className={`${config.color}`}>
+                <ProviderIcon size={iconSize} aria-hidden="true" />
+              </div>
+
+              <div className="min-w-0">
+                <div className="flex items-center gap-2">
+                  <p className={`${textSize} font-semibold text-[var(--text)]`}>
+                    {config.name}
+                  </p>
+                  <span
+                    className={`inline-flex items-center ${textSize} font-medium ${statusTextColor}`}
+                    role="img"
+                    aria-label={
+                      provider.isConnected ? `${config.name} connected` : `${config.name} not connected`
+                    }
+                  >
+                    <StatusIcon size={14} aria-hidden="true" />
+                  </span>
+                </div>
+
+                {provider.isConnected && provider.email && (
+                  <p className={`${textSize} text-[var(--muted)] truncate mt-1`}>
+                    {provider.email}
+                  </p>
+                )}
+
+                {provider.isConnected && provider.connectedAt && (
+                  <p className={`${textSize} text-[var(--muted)]/70 mt-1`}>
+                    Connected{' '}
+                    <time dateTime={provider.connectedAt}>
+                      {new Date(provider.connectedAt).toLocaleDateString()}
+                    </time>
+                  </p>
+                )}
+
+                {!provider.isConnected && (
+                  <p className={`${textSize} text-[var(--muted)]`}>Not connected</p>
+                )}
+              </div>
+            </div>
+          </div>
+        );
+      })}
+    </div>
+  );
+};
+
+ConnectedProvidersStatus.displayName = 'ConnectedProvidersStatus';