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Interface](docs/images/main.png)\n\nIt analyzes password length, entropy, and overall strength, and cross-references them with the HaveIBeenPwned database to identify compromised passwords.\n\n---\n\n## Features\n\n- **Advanced Strength Estimation**: Powered by the zxcvbn library for realistic security scoring.\n- **Data Breach Detection**: Uses the HaveIBeenPwned API to check if passwords have appeared in known leaks.\n- **Detailed Insights**: View entropy, time-to-crack estimates, and actionable security suggestions.\n- **Premium Interface**: A modern dark mode design with glassmorphism effects and fluid animations.\n- **Real-time Feedback**: Instant results as you analyze your passwords.\n\n---\n\n## Technical Stack\n\n- **Frontend**: React (Functional Components, Hooks)\n- **Backend**: FastAPI (Python)\n- **Security Logic**: zxcvbn, HaveIBeenPwned API\n- **Styling**: Vanilla CSS with custom properties and backdrop filters\n- **Deployment**: Docker Compose\n\n---\n\n## Deployment\n\nThe application is fully containerized for easy deployment.\n\n### Prerequisites\n\n- Docker\n- Docker Compose\n\n### Run the Application\n\n```bash\ndocker-compose up --build\n```\n\nThe frontend will be available at http://localhost:3000 and the backend API at http://localhost:8000.\n\n---\n\n## API Endpoints\n\n### POST /api/check-password\n\nAnalyzes a password and returns a detailed security report.\n\n**Request Body:**\n```json\n{\n  \"password\": \"your-password-here\"\n}\n```\n\n**Response Example:**\n```json\n{\n  \"length\": 15,\n  \"entropy\": 45.3,\n  \"strength\": \"medium\",\n  \"score\": 2,\n  \"breached\": false,\n  \"count\": 0,\n  \"safety_percent\": 55,\n  \"crack_time_display\": \"2 years\",\n  \"warning\": \"This is a predictable password\",\n  \"suggestions\": [\"Add another word or 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