Dark/light Theme Blazor

i have tied so many ways for switching Between Dark and Light Mode in Blazor.with different packages and Even Manually with css.but they never workedout For Me.can someone Give me complete guid on how can i do this?Thank

here is the latest thing i have tried with MudBlazor:

<MudThemeProvider Theme="new MudTheme()" @bind-IsDarkMode="@_isDarkMode"/><MudIconButton @onclick="ToggleDark" Icon="@modeIcon"/>@code {bool _isDarkMode = false;private string modeIcon => _isDarkMode? Icons.Filled.DarkMode : Icons.Filled.LightMode;private void ToggleDark() => _isDarkMode = !_isDarkMode;}