Production-focused LMS built with Next.js 14 + Supabase for Sri Lankan tuition workflows.

• Next.js 14 (App Router + TypeScript)
• Tailwind CSS with Light/Dark mode (dark class strategy)
• Supabase (PostgreSQL, Auth, Storage)
• PayHere (sandbox + live)
• YouTube unlisted secure proxy playback
• XLSX upload for marks
• Notify.lk SMS hook support
• Zoom server integration endpoint

1. Copy env file:

   cp .env.example .env.local

2. Fill all env vars.
3. Install and run:

   npm install
   npm run dev

Apply SQL:

# in Supabase SQL editor
# paste db/schema.sql

• youtube_video_id only (never full URL) in database.
• /api/lesson/[id] validates auth + paid enrollment before returning video ID.
• Service key used server-side only.
• Payment callback signature verification.
• Role-targeted RLS policies.

1. Push repo to GitHub.
2. Import into Vercel.
3. Add environment variables from .env.example.
4. Deploy.

• Admin: /admin/dashboard, /admin/courses, /admin/marks/upload, etc.
• Student: /dashboard, /classroom/[courseId], /exams, /marks, /payment
• Parent: /parent/dashboard