A privacy-first Pattern Lock Widget with soft-glow nodes ✨ and a silky animated trail ➰. Users draw a gesture across the grid to unlock; crisp success ✅ / error ❌ states and an optional “Forgot your pincode?” action keep flows friendly. Lightweight, secure, and responsive for mobile & web.

Functionality

• 🟩 3×3 grid (configurable 4×4 / 5×5) with glowing active & visited nodes

• 🎞️ Gradient trail animation with smooth corners + success/error feedback

• 🔄 Create / confirm / verify / change pattern flows

• 🧩 Rules: min/max length, block immediate repeats, optional crossing lines

• ⏳ Cooldown/lockout after failed attempts with countdown

• 🫥 Stealth mode (hide trail/dots) to prevent shoulder-surfing

• 🆘 “Forgot your pincode?” callback + biometric fallback (Face ID/Touch ID hooks)

• 🔒 Secure hashing + salt, store in keychain/keystore (no plaintext)

• 🎨 Theming: colors, glow radius, stroke width, node size, spacing

• ♿ Accessibility: large hit targets, screen-reader labels, haptics

• 🌍 Localization-ready prompts (e.g., “Enter current graphic lock”)

• 📶 Offline-friendly; hooks for remote verification & analytics

• 📱 Responsive & safe-area aware for phones and tablets

Use cases

• 🔏 App-level lock or re-auth on resume

• 💳 Protect settings, billing, wallets

• 🖼️ Private galleries, notes, document vaults

• 🛡️ Step-up verification before sensitive actions

• 👨‍👩‍👧 Parental/guest/kiosk modes

• 💼 Fintech & enterprise tools needing lightweight auth

• 🚀 Onboarding choice: pattern vs. PIN

• 👥 Multi-profile apps with per-user patterns

Keywords (one line)
Pattern Lock Widget, gesture lock, 3×3 grid lock, 4×4 5×5 pattern lock, glowing nodes, gradient trail animation, stealth mode, cooldown lockout, forgot pincode, biometric fallback, secure storage keychain keystore, salted hash, authentication UI, app lock, Flutter widget, FlutterFlow custom widget, mobile security, responsive login screen, haptic feedback, accessibility labels, localization ready, modern security component