🚀 Lingo Master - Premium Language Learning

🌟 Introduction

Elevate your language learning journey with Lingo Master, a premium Flutter-based application where cutting-edge design meets high-performance engineering. In a world of repetitive learning tools, Lingo Master stands out by merging a sophisticated Glassmorphic UI with a robust, locally-persistent backend.

This application is meticulously crafted to transform the routine of vocabulary building into an immersive, visually stunning experience. By utilizing a "Local-First" approach with SQLite, learners enjoy lightning-fast access to their data even without an internet connection. Whether you are a beginner at the A1 level or an expert striving for C2 mastery, Lingo Master's interface intelligence dynamically adapts to your proficiency, providing a personalized aesthetic and functional environment for every stage of your linguistic evolution.

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✨ Key Features

• 🎨 Advanced Glassmorphism: Sleek, frosted-glass UI elements with real-time blur effects for a modern look.
• 🎭 Context-Aware Adaptive Theming: The app's color palette and interface dynamically adapt based on the selected CEFR level (A1 - C2).
• 🔊 High-Fidelity TTS: Integrated Text-to-Speech engine for natural-sounding word pronunciations to master phonetics.
• ⚡ Fluid Animations: Staggered entry animations and smooth transitions that define a premium user flow.
• 🔍 Real-time Smart Search: Instantly filter through hundreds of words, categories, and translations with zero latency.
• 💾 Local-First Persistence: A fully offline experience powered by a robust and optimized SQLite implementation.

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🛠️ Tech Stack

• Frontend: Flutter SDK (Stable Channel)
• Database: sqflite (Relational Local Storage for complex word data)
• Audio: flutter_tts (Speech Synthesis)
• Architecture: Clean UI/Logic separation with optimized setState management.

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📂 Project Structure

Based on the actual internal architecture:

lib/
├── screens/               # Core Application Screens
│   ├── widgets/           # Screen-specific components (e.g., category_card.dart)
│   ├── add_word_screen.dart
│   ├── home_screen.dart
│   ├── level_selection_screen.dart
│   ├── quiz_level_screen.dart
│   ├── quiz_play_screen.dart
│   ├── quiz_screen.dart
│   └── vocabulary_screen.dart
├── services/              # Business Logic & Infrastructure
│   └── database_helper.dart
├── app_colors.dart        # Centralized Design System & CEFR Themes
└── main.dart              # Application Entry Point

assets/
├── fonts/                 # Custom Typography
├── Logo.png               # Brand Identity
└── *.png                  # UI Showcase Assets (0-7, main)