A sleek, dark-themed PIN screen with glowing rounded boxes and a minimal numeric keypad. Masked dots animate as you type, while subtle glassmorphism and neon borders create a premium feel. Built for fast, secure 4–6 digit authentication across mobile and web.

Functionality

• Configurable PIN length (4–8 digits), default 4

• Masked dots with active/idle/filled states and smooth animations

• Large numeric keypad (0–9) with tactile tap/haptic feedback

• Backspace key, long-press to clear; optional submit/confirm step

• Optional paste/OS OTP autofill with validation

• Error feedback: shake, color change, cooldown/lockout timer

• “Forgot PIN?” or help action via custom callback

• Optional biometric fallback (Face/Touch ID)

• Secure handling: hashing + device secure storage

• Theming: neon border glow, colors, radius, spacing, fonts

• Accessibility: screen-reader labels, focus order, big hit targets

• Localization-ready labels (e.g., “Enter your PIN code”)

• Analytics hooks: onDigit, onComplete, onError, onLockout

• Responsive layout for phones, tablets, and web

Use cases

• App unlock and session re-authentication

• Step-up verification for payments, transfers, or exports

• Wallets, banking, fintech security flows

• Protecting settings, profiles, and private content

• POS/delivery/pickup code confirmation

• Kiosk/guest/parental control modes

• Onboarding: set/change a PIN with confirm step

• Internal tools requiring lightweight, offline-friendly auth

Keywords
pin pad, passcode entry, numeric keypad, 4-digit pin, 6-digit pin, masked input, dot indicators, auto advance, backspace key, error shake, lockout timer, cooldown, forgot pin, biometric fallback, Face ID, Touch ID, secure storage, hash pin, otp autofill, paste detection, glassmorphism, neon border, dark theme, rounded boxes, responsive ui, mobile auth, web auth, session reauth, fintech ui, kiosk mode, localization, accessibility, theming controls, Flutter widget, FlutterFlow component, modern authentication, premium styling.