LanMountainDesktop/LanMontainDesktop/Views/Components/DateWidget.axaml

<UserControl xmlns="https://github.com/avaloniaui"
             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
             xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
             xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
             mc:Ignorable="d"
             d:DesignWidth="400"
             d:DesignHeight="200"
             x:Class="LanMontainDesktop.Views.Components.DateWidget">

    <Border x:Name="RootBorder"
            Background="Transparent"
            CornerRadius="16"
            ClipToBounds="True">
        <Grid ColumnDefinitions="*,*">
            <!-- 左侧：月历 -->
            <Border x:Name="CalendarBackgroundBorder"
                    Grid.Column="0"
                    Padding="12"
                    Background="{DynamicResource AdaptiveSurfaceBaseBrush}">
                <Grid RowDefinitions="Auto,*">
                    <!-- 月份年份 -->
                    <TextBlock x:Name="CalendarMonthYearTextBlock"
                               Grid.Row="0"
                               HorizontalAlignment="Center"
                               FontSize="12"
                               FontWeight="SemiBold"
                               Foreground="{DynamicResource AdaptiveTextPrimaryBrush}"
                               Margin="0,0,0,8" />
                    
                    <!-- 月历网格 -->
                    <Grid x:Name="CalendarGrid"
                          Grid.Row="1"
                          RowDefinitions="Auto,*,*,*,*,*"
                          ColumnDefinitions="*,*,*,*,*,*,*">
                        <!-- 星期标题 -->
                        <TextBlock Grid.Row="0" Grid.Column="0" Text="日" HorizontalAlignment="Center" FontSize="10" Foreground="{DynamicResource AdaptiveTextSecondaryBrush}" />
                        <TextBlock Grid.Row="0" Grid.Column="1" Text="一" HorizontalAlignment="Center" FontSize="10" Foreground="{DynamicResource AdaptiveTextSecondaryBrush}" />
                        <TextBlock Grid.Row="0" Grid.Column="2" Text="二" HorizontalAlignment="Center" FontSize="10" Foreground="{DynamicResource AdaptiveTextSecondaryBrush}" />
                        <TextBlock Grid.Row="0" Grid.Column="3" Text="三" HorizontalAlignment="Center" FontSize="10" Foreground="{DynamicResource AdaptiveTextSecondaryBrush}" />
                        <TextBlock Grid.Row="0" Grid.Column="4" Text="四" HorizontalAlignment="Center" FontSize="10" Foreground="{DynamicResource AdaptiveTextSecondaryBrush}" />
                        <TextBlock Grid.Row="0" Grid.Column="5" Text="五" HorizontalAlignment="Center" FontSize="10" Foreground="{DynamicResource AdaptiveTextSecondaryBrush}" />
                        <TextBlock Grid.Row="0" Grid.Column="6" Text="六" HorizontalAlignment="Center" FontSize="10" Foreground="{DynamicResource AdaptiveTextSecondaryBrush}" />
                    </Grid>
                </Grid>
            </Border>

            <!-- 右侧：今日详情 -->
            <Border x:Name="TodayBackgroundBorder"
                    Grid.Column="1"
                    Background="{DynamicResource AdaptiveAccentBrush}"
                    Padding="16">
                <Grid RowDefinitions="Auto,*,Auto">
                    <!-- 今日标签 -->
                    <TextBlock Grid.Row="0"
                               Text="今天"
                               HorizontalAlignment="Center"
                               FontSize="11"
                               FontWeight="Medium"
                               Opacity="0.8"
                               Foreground="{DynamicResource AdaptiveOnAccentBrush}" />
                    
                    <!-- 日期数字 -->
                    <TextBlock x:Name="TodayDayTextBlock"
                               Grid.Row="1"
                               HorizontalAlignment="Center"
                               VerticalAlignment="Center"
                               FontSize="56"
                               FontWeight="Light"
                               Foreground="{DynamicResource AdaptiveOnAccentBrush}" />
                    
                    <!-- 星期 -->
                    <TextBlock x:Name="TodayWeekdayTextBlock"
                               Grid.Row="2"
                               HorizontalAlignment="Center"
                               FontSize="13"
                               FontWeight="SemiBold"
                               Foreground="{DynamicResource AdaptiveOnAccentBrush}" />
                </Grid>
            </Border>
        </Grid>
    </Border>

</UserControl>