🛍️ Product Management System (CRUD + Sell)

A complete product management system developed using HTML, CSS, and JavaScript — no frameworks or libraries. It lets you create, update, delete, and sell products with real-time UI updates and data persistence via localStorage.

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📦 Features

1. ✅ Product CRUD

• Add, update, delete products
• Auto-calculates total price (price + taxes + ads - discount)
• Supports multiple product entries with count
• Includes:
  • Input validation
  • Dynamic total preview
  • Highlight low-stock products

2. 💰 Sell System

• Search and select product to sell
• Autocomplete input for product name
• Reduces stock count after sale
• Includes:
  • Quantity validation
  • Total price calculation for the sold quantity
  • Sale confirmation and UI feedback

3. 🔍 Search & Filter

• Search by product title or category
• Instant filtering as you type
• Highlights matching results in the table

4. 🌗 Dark/Light Mode

• Toggle between dark and light themes
• Mode switch button updates label dynamically
• Styles total label accordingly

5. 💾 localStorage Integration

• All product data is saved in browser localStorage
• Data persists across page reloads and browser sessions

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🖥️ Getting Started

Just open the index.html file in your browser. No setup required.

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🧪 Technologies Used

• HTML5
• CSS3
• JavaScript (ES6)
• localStorage (Browser Storage)

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