🌟 Overview:
SuperShop Management System is a complete, production-ready web application built with Django 5 and Bootstrap 5, specifically designed for supermarkets, grocery stores, mini-marts, and multi-branch retail shops. This powerful software enables business owners to manage multiple branches, track inventory, process sales via POS-style interface, manage customers, and monitor overall business performance in real-time — all from a single dashboard.

The entire user interface is available in Bengali (বাংলা), making it perfect for shops in Bangladesh and West Bengal. Role-based access control ensures that owners see everything while branch staff can only access their own branch data.

🎯 What Problems Does This Software Solve?
Managing a retail business with multiple branches is complex. Owners often struggle with:
❌ Not knowing which branch is performing well
❌ Stock running out without warning
❌ Difficulty tracking customer purchase history
❌ Manual accounting errors
❌ No centralized sales reporting
❌ Staff accessing data they shouldn't see
This SuperShop Management System solves all of these problems in one unified platform.

💼 Who Is This For?
🏪 Supermarket & Grocery Store Owners (single or multi-branch)
🛒 Mini Mart & Convenience Store Owners
💊 Pharmacy & Medical Store Owners
👕 Retail Shop Chains
🍎 Fresh Produce & Vegetable Shops
🏭 Wholesale & Distribution Businesses
👨‍💻 Freelance Developers looking for ready-to-deploy client projects
🎓 Students learning Django with a real-world project

🚀 Key Functionalities:
🔐 Authentication & Role-Based Access
Custom User Model with Owner and Staff roles
Secure login/logout system
Owner sees everything, Staff sees only their branch

🏢 Multi-Branch Management
Create and manage unlimited branches
Assign staff to specific branches
Track each branch's performance separately
Owner dashboard with all-branch overview

📦 Inventory & Stock Management
Product and Category management
Per-branch stock tracking
Barcode support
Real-time stock updates on every sale
Low-stock alerts (visual indicators)

💰 POS-Style Sales System
Quick sale/invoice creation
Auto-populated selling price on product selection
Live subtotal, discount, and grand total calculation
Multiple payment methods (Cash, bKash, Nagad, Rocket, Card, Due)
Amount paid + Change/Due calculation
Print-ready invoice

👥 Customer Management
Customer database per branch
Add customers via modal popup (no page reload)
Customer purchase history
Total purchase amount per customer

📊 Dashboard & Reports
Owner Dashboard: All branches' sales summary
Staff Dashboard: Own branch statistics
Today's / This Month's sales breakdown
Recent transactions
🔍 Search & Filtering
Product search
Branch filtering for sales, stock, customers
Pagination on all list views