A comprehensive online learning platform with secure user authentication and session management.

• User login with predefined credentials
• 48-hour session duration
• Automatic session expiry with visual countdown

• 48-hour login duration: Users remain logged in for exactly 48 hours
• Visual countdown: Real-time display of remaining session time
• Progress bar: Thin colored strip below footer showing session progress
  • Green → Yellow → Red gradient indicating time remaining
• Automatic logout: Session expires automatically after 48 hours
• Persistent sessions: Login state persists across browser refreshes

• Browse featured courses
• Search functionality
• Course details with pricing and instructor information
• Direct enrollment links

• Responsive design with Tailwind CSS
• Clean, modern interface
• Mobile-friendly layout
• Fixed timer strip at bottom of screen

• Login timestamp stored in localStorage
• Real-time countdown using React hooks
• Automatic cleanup on session expiry
• Cross-tab session synchronization

• Updates every second
• Shows time in hours, minutes, seconds format
• Color-coded progress bar (green to red gradient)
• Fixed position below footer
• Minimal height (thin strip design)

• No sensitive data in localStorage
• Automatic session cleanup
• User notification on session expiry

1. Login: Use provided credentials to access the platform
2. Browse: Explore available courses and use search functionality
3. Monitor: Keep track of remaining session time via the bottom timer
4. Logout: Manual logout or automatic after 48 hours

The session timer appears as a thin strip at the bottom of the screen with:

• Dark background showing remaining time
• Colored progress bar indicating session progress
• Real-time updates every second
• Automatic session termination when time expires

The platform includes predefined user accounts (vk, user002-user040) with secure passwords for demonstration purposes.