ProPOS v1.0 — Complete Point of Sale System
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INSTALLATION
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1. Upload the entire "pos" folder to your web server
   e.g. public_html/pos  OR  htdocs/pos  OR  www/pos
2. Open in browser: http://yourdomain.com/pos/install/
3. Step 1: Check requirements
4. Step 2: Enter MySQL credentials & test
5. Step 3: Click "Install ProPOS Now"
6. Done! Login at: http://yourdomain.com/pos/

NOTE: BASE_URL is automatically detected — works on any
host, subdirectory, or localhost without any changes.

DEFAULT LOGIN
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  Username : admin
  Password : admin123
  ⚠ Change password after first login!

USER ROLES
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  superadmin  — Everything including settings & employees
  admin       — Everything except settings/employees
  manager     — Sales + Inventory/Purchases
  cashier     — POS sales & invoices only
  inventory   — Products & Purchases only

FEATURES
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  ✔ POS Terminal with barcode scanner
  ✔ Invoice with Print & PDF
  ✔ Products with image upload
  ✔ Categories, Stock management
  ✔ Customers & Suppliers
  ✔ Purchase orders with auto stock update
  ✔ Expense tracking
  ✔ Sales Reports with charts
  ✔ Employee management with roles
  ✔ Bengali/English bilingual (toggle anytime)
  ✔ Dark/Light theme
  ✔ Business info, logo, address editable
  ✔ 100% Responsive (Mobile/Tablet/Desktop)
  ✔ CSS-only sidebar, dropdown, theme toggle (minimal JS)

REQUIREMENTS
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  PHP  >= 7.4
  MySQL >= 5.7
  Extensions: PDO, PDO_MySQL, mbstring, GD

SECURITY AFTER INSTALL
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  1. Delete the /install/ folder
  2. Change default admin password
  3. Set strong MySQL password

