UI Modernisierung und Optimierungsvorschläge für

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This UI is a dashboard page built with the MudBlazor framework for Blazor applications. It features a responsive layout with a navigation drawer, top app bar, and main content area displaying summary statistic cards for accounts, contacts, sales opportunities, and orders. Users can view data by day, month, or year via tabs. The sidebar includes user info and navigation links categorized by functionalities such as Stammdaten and Aftersales. The interface provides task and sales opportunity sta...