A refined dark-mode passcode screen built for fast, secure 4-6 digit authentication. Featuring smooth slot indicators, masked characters, and jumbo rounded keypad buttons, this widget delivers a premium experience for login, payments, and re-auth flows on mobile and web. With shake animations on error, haptic feedback, and optional biometrics, it blends security with style effortlessly.

✨ Key Features

• 🔢 Configurable 4-8 digit PIN with auto-advance

• 🟣 Underline slot indicators with masked (•) characters

• ⌨️ Large rounded keypad with tactile tap feedback

• ↩️ Accent Backspace (long-press to clear)

• 🚨 Error shake, color states & vibration/haptic

• ⏳ Lockout/Cooldown after failed attempts

• 🧠 Optional Biometric login (Face ID / Touch ID)

• 📋 Paste / OTP Autofill support

• 🔒 Secure storage with hashing (no plain text)

• 🎨 Full theming: dark/light, radius, colors, fonts

• 🌍 Accessibility & Localization ready (RTL, screen-reader labels)

📱 Perfect For

• App Lock & Session Re-Auth

• Payment / Transfer Confirmation Screens

• Wallet & Fintech Security Flows

• Parental Lock, Kiosk & Guest Modes

• Onboarding: Set / Confirm New PIN

🎯 Whether you’re building a fintech app, private vault, or unlocking secure sections, this pin code flutterflow widget ensures clarity, speed, and trust.

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