Expense Manager

📱 Features
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Monthly Dashboard: A swipeable summary card showing your balance, total income, and total expenses for the selected month.
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Visual Analytics: Interactive Pie Charts powered by fl_chart to visualize spending by category.
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Smart Categorization:
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Income: Salary, Business, Agriculture, House Property, Others.
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Expense: Food, Transport, Bills, Shopping, Entertainment, Health, Education, Others.
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Deep Dive: Click on any pie chart segment to see all transactions for that specific category.
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History Management:
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Filter transactions by Year and Month.
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Swipe-to-Delete with confirmation alerts.
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Tap to edit any transaction.
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Local Storage: All data is stored securely on your device using SQLite.
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Modern UI: Built with Material 3, custom "Poppins" typography, and support for both Light and Dark modes.
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Localized: Uses the Taka (৳) currency symbol.