Number Spark

Number Spark is a fast, lightweight, and modern offline random number generator (RNG) utility designed to produce truly random numbers instantly within any custom range. Whether you need a number picker for giveaways, raffles, board games, lucky draws, decision making, or statistical testing, Number Spark delivers with a sleek neon visual flair — 100% offline with zero ads.

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### 🌟 Key Features:

⚡ Instant Random Number Generation
- Generate random integers between any custom Minimum and Maximum values
- Seamlessly supports positive integers, negative numbers, and large ranges
- Accurate inclusive range calculation with zero lag

🔒 100% Offline & Private
- Operates entirely on your device's local memory
- No internet connection or network permissions required
- Zero data leaves your device — complete privacy and peace of mind

✨ Animated Rolling Counter & Glowing Result
- Smooth micro-interactions and digital roll animation during number generation
- Eye-catching neon glow result display card
- Clean visual feedback and crisp typography

🎨 Cyberpunk & Sleek Dark UI
- Modern dark theme accented with electric lime neon glow
- Minimalist, distraction-free interface built with Flutter Material 3
- Responsive layout with smooth, fluid animations

🚫 Zero Advertisements & No Login
- 100% free with no banner ads, video popups, or subscriptions
- No sign-up, login, or personal profile required
- Open the app and start generating numbers immediately

📖 Built-in Guide & Information
- Includes a dedicated "How to Use" step-by-step visual guide
- Clear "About App" overview explaining app capabilities