feat(ui): add ThemedDatePicker control and adopt in Prime settings

New themed picker supports single-date, date+time, and range modes
(replaces inconsistent CalendarDatePicker / DatePicker / TimePicker
visuals). Used in the Prime schedules row to combine StartDate /
EndDate into a single range picker.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

src/ClaudeDo.Ui/Views/Controls/ThemedDatePicker.axaml

@@ -0,0 +1,167 @@
+<UserControl xmlns="https://github.com/avaloniaui"
+             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+             x:Class="ClaudeDo.Ui.Views.Controls.ThemedDatePicker"
+             x:Name="Root">
+
+  <UserControl.Styles>
+    <Style Selector="ToggleButton.trigger">
+      <Setter Property="Background" Value="{DynamicResource DeepBrush}"/>
+      <Setter Property="BorderBrush" Value="{DynamicResource LineBrush}"/>
+      <Setter Property="BorderThickness" Value="1"/>
+      <Setter Property="CornerRadius" Value="{StaticResource InputCornerRadius}"/>
+      <Setter Property="Padding" Value="10,6"/>
+      <Setter Property="HorizontalContentAlignment" Value="Stretch"/>
+      <Setter Property="VerticalContentAlignment" Value="Center"/>
+      <Setter Property="Foreground" Value="{DynamicResource TextBrush}"/>
+      <Setter Property="MinHeight" Value="30"/>
+    </Style>
+    <Style Selector="ToggleButton.trigger:pointerover /template/ ContentPresenter">
+      <Setter Property="Background" Value="{DynamicResource Surface2Brush}"/>
+      <Setter Property="BorderBrush" Value="{DynamicResource LineBrightBrush}"/>
+    </Style>
+    <Style Selector="ToggleButton.trigger:checked /template/ ContentPresenter">
+      <Setter Property="Background" Value="{DynamicResource Surface2Brush}"/>
+      <Setter Property="BorderBrush" Value="{DynamicResource AccentBrush}"/>
+    </Style>
+
+    <Style Selector="Button.quick">
+      <Setter Property="Background" Value="{DynamicResource DeepBrush}"/>
+      <Setter Property="BorderBrush" Value="{DynamicResource LineBrush}"/>
+      <Setter Property="BorderThickness" Value="1"/>
+      <Setter Property="Foreground" Value="{DynamicResource TextDimBrush}"/>
+      <Setter Property="CornerRadius" Value="999"/>
+      <Setter Property="Padding" Value="10,3"/>
+      <Setter Property="FontSize" Value="11"/>
+      <Setter Property="MinHeight" Value="22"/>
+    </Style>
+    <Style Selector="Button.quick:pointerover /template/ ContentPresenter">
+      <Setter Property="Background" Value="{DynamicResource Surface3Brush}"/>
+      <Setter Property="BorderBrush" Value="{DynamicResource LineBrightBrush}"/>
+      <Setter Property="TextElement.Foreground" Value="{DynamicResource TextBrush}"/>
+    </Style>
+
+    <Style Selector="Button.nav">
+      <Setter Property="Background" Value="Transparent"/>
+      <Setter Property="BorderThickness" Value="0"/>
+      <Setter Property="Foreground" Value="{DynamicResource TextDimBrush}"/>
+      <Setter Property="Padding" Value="6,2"/>
+      <Setter Property="CornerRadius" Value="6"/>
+      <Setter Property="MinWidth" Value="28"/>
+    </Style>
+    <Style Selector="Button.nav:pointerover /template/ ContentPresenter">
+      <Setter Property="Background" Value="{DynamicResource Surface3Brush}"/>
+      <Setter Property="TextElement.Foreground" Value="{DynamicResource TextBrush}"/>
+    </Style>
+
+    <Style Selector="Button.day">
+      <Setter Property="Background" Value="Transparent"/>
+      <Setter Property="BorderBrush" Value="Transparent"/>
+      <Setter Property="BorderThickness" Value="1"/>
+      <Setter Property="Foreground" Value="{DynamicResource TextBrush}"/>
+      <Setter Property="Width" Value="32"/>
+      <Setter Property="Height" Value="32"/>
+      <Setter Property="CornerRadius" Value="999"/>
+      <Setter Property="FontSize" Value="12"/>
+      <Setter Property="HorizontalContentAlignment" Value="Center"/>
+      <Setter Property="VerticalContentAlignment" Value="Center"/>
+      <Setter Property="Padding" Value="0"/>
+    </Style>
+    <Style Selector="Button.day:pointerover /template/ ContentPresenter">
+      <Setter Property="Background" Value="{DynamicResource Surface3Brush}"/>
+    </Style>
+    <Style Selector="Button.day.outside">
+      <Setter Property="Foreground" Value="{DynamicResource TextFaintBrush}"/>
+    </Style>
+    <Style Selector="Button.day.today">
+      <Setter Property="BorderBrush" Value="{DynamicResource AccentBrush}"/>
+    </Style>
+    <Style Selector="Button.day.selected /template/ ContentPresenter">
+      <Setter Property="Background" Value="{DynamicResource AccentBrush}"/>
+      <Setter Property="TextElement.Foreground" Value="White"/>
+    </Style>
+    <Style Selector="Button.day.selected:pointerover /template/ ContentPresenter">
+      <Setter Property="Background" Value="{DynamicResource AccentDimBrush}"/>
+    </Style>
+
+    <Style Selector="TextBlock.weekday">
+      <Setter Property="HorizontalAlignment" Value="Center"/>
+      <Setter Property="Foreground" Value="{DynamicResource TextMuteBrush}"/>
+      <Setter Property="FontSize" Value="10"/>
+      <Setter Property="FontWeight" Value="SemiBold"/>
+    </Style>
+  </UserControl.Styles>
+
+  <Grid>
+    <ToggleButton x:Name="TriggerButton" Classes="trigger">
+      <Grid ColumnDefinitions="Auto,*,Auto">
+        <PathIcon Grid.Column="0" Width="14" Height="14"
+                  Margin="0,0,8,0"
+                  Foreground="{DynamicResource TextDimBrush}"
+                  Data="M19,4H18V2H16V4H8V2H6V4H5A2,2 0 0,0 3,6V20A2,2 0 0,0 5,22H19A2,2 0 0,0 21,20V6A2,2 0 0,0 19,4M19,20H5V10H19V20M19,8H5V6H19V8Z"/>
+        <TextBlock Grid.Column="1"
+                   Text="{Binding #Root.DisplayText}"
+                   Foreground="{Binding #Root.DisplayForeground}"
+                   VerticalAlignment="Center"
+                   TextTrimming="CharacterEllipsis"/>
+        <PathIcon Grid.Column="2" Width="10" Height="10"
+                  Margin="8,0,0,0"
+                  Foreground="{DynamicResource TextMuteBrush}"
+                  Data="M7,10L12,15L17,10H7Z"/>
+      </Grid>
+    </ToggleButton>
+
+    <Popup x:Name="PickerPopup"
+           PlacementTarget="{Binding #TriggerButton}"
+           Placement="Bottom"
+           IsOpen="{Binding #TriggerButton.IsChecked, Mode=TwoWay}"
+           IsLightDismissEnabled="True">
+      <Border Background="{DynamicResource Surface2Brush}"
+              BorderBrush="{DynamicResource LineBrush}"
+              BorderThickness="1"
+              CornerRadius="10"
+              Padding="14"
+              Margin="0,4,0,0"
+              BoxShadow="{StaticResource ModalShadow}"
+              MinWidth="300">
+        <StackPanel Spacing="10">
+          <StackPanel Orientation="Horizontal" Spacing="6">
+            <Button Classes="quick" Content="Today" Click="OnTodayClick"/>
+            <Button Classes="quick" Content="Tomorrow" Click="OnTomorrowClick"/>
+            <Button Classes="quick" Content="Next Mon" Click="OnNextMondayClick"/>
+            <Button Classes="quick" Content="Clear" Click="OnClearClick"/>
+          </StackPanel>
+
+          <Grid ColumnDefinitions="Auto,*,Auto" Margin="0,2,0,0">
+            <Button Grid.Column="0" Click="OnPrevMonthClick" Classes="nav" Content="◀"/>
+            <TextBlock Grid.Column="1" x:Name="MonthHeader"
+                       HorizontalAlignment="Center"
+                       VerticalAlignment="Center"
+                       FontWeight="SemiBold"
+                       FontSize="13"
+                       Foreground="{DynamicResource TextBrush}"/>
+            <Button Grid.Column="2" Click="OnNextMonthClick" Classes="nav" Content="▶"/>
+          </Grid>
+
+          <UniformGrid Columns="7" x:Name="WeekdayHeaders"/>
+
+          <UniformGrid Columns="7" Rows="6" x:Name="DayGrid"/>
+
+          <Grid x:Name="TimeRow"
+                ColumnDefinitions="Auto,*,Auto"
+                Margin="0,4,0,0">
+            <TextBlock Grid.Column="0" Text="Time"
+                       VerticalAlignment="Center"
+                       Foreground="{DynamicResource TextDimBrush}"
+                       Margin="0,0,8,0"/>
+            <TextBox Grid.Column="1" x:Name="TimeInput"
+                     Watermark="HH:mm" MaxLength="5"
+                     Text="{Binding #Root.TimeText, Mode=TwoWay}"/>
+            <Button Grid.Column="2" Content="Done"
+                    Click="OnDoneClick"
+                    Margin="8,0,0,0"/>
+          </Grid>
+        </StackPanel>
+      </Border>
+    </Popup>
+  </Grid>
+</UserControl>

src/ClaudeDo.Ui/Views/Controls/ThemedDatePicker.axaml.cs

@@ -0,0 +1,423 @@
+using System;
+using System.Globalization;
+using Avalonia;
+using Avalonia.Controls;
+using Avalonia.Data;
+using Avalonia.Interactivity;
+using Avalonia.Layout;
+using Avalonia.Media;
+
+namespace ClaudeDo.Ui.Views.Controls;
+
+public partial class ThemedDatePicker : UserControl
+{
+    public static readonly StyledProperty<DateTime?> SelectedDateProperty =
+        AvaloniaProperty.Register<ThemedDatePicker, DateTime?>(
+            nameof(SelectedDate), defaultBindingMode: BindingMode.TwoWay);
+
+    public static readonly StyledProperty<bool> ShowTimeProperty =
+        AvaloniaProperty.Register<ThemedDatePicker, bool>(nameof(ShowTime), false);
+
+    public static readonly StyledProperty<bool> IsRangeProperty =
+        AvaloniaProperty.Register<ThemedDatePicker, bool>(nameof(IsRange), false);
+
+    public static readonly StyledProperty<DateTime?> StartDateProperty =
+        AvaloniaProperty.Register<ThemedDatePicker, DateTime?>(
+            nameof(StartDate), defaultBindingMode: BindingMode.TwoWay);
+
+    public static readonly StyledProperty<DateTime?> EndDateProperty =
+        AvaloniaProperty.Register<ThemedDatePicker, DateTime?>(
+            nameof(EndDate), defaultBindingMode: BindingMode.TwoWay);
+
+    public static readonly StyledProperty<string?> WatermarkProperty =
+        AvaloniaProperty.Register<ThemedDatePicker, string?>(nameof(Watermark), "Pick a date");
+
+    public static readonly StyledProperty<string?> DisplayTextProperty =
+        AvaloniaProperty.Register<ThemedDatePicker, string?>(nameof(DisplayText));
+
+    public static readonly StyledProperty<IBrush?> DisplayForegroundProperty =
+        AvaloniaProperty.Register<ThemedDatePicker, IBrush?>(nameof(DisplayForeground));
+
+    public static readonly StyledProperty<string?> TimeTextProperty =
+        AvaloniaProperty.Register<ThemedDatePicker, string?>(
+            nameof(TimeText), "09:00",
+            defaultBindingMode: BindingMode.TwoWay);
+
+    public DateTime? SelectedDate
+    {
+        get => GetValue(SelectedDateProperty);
+        set => SetValue(SelectedDateProperty, value);
+    }
+
+    public bool ShowTime
+    {
+        get => GetValue(ShowTimeProperty);
+        set => SetValue(ShowTimeProperty, value);
+    }
+
+    public bool IsRange
+    {
+        get => GetValue(IsRangeProperty);
+        set => SetValue(IsRangeProperty, value);
+    }
+
+    public DateTime? StartDate
+    {
+        get => GetValue(StartDateProperty);
+        set => SetValue(StartDateProperty, value);
+    }
+
+    public DateTime? EndDate
+    {
+        get => GetValue(EndDateProperty);
+        set => SetValue(EndDateProperty, value);
+    }
+
+    public string? Watermark
+    {
+        get => GetValue(WatermarkProperty);
+        set => SetValue(WatermarkProperty, value);
+    }
+
+    public string? DisplayText
+    {
+        get => GetValue(DisplayTextProperty);
+        set => SetValue(DisplayTextProperty, value);
+    }
+
+    public IBrush? DisplayForeground
+    {
+        get => GetValue(DisplayForegroundProperty);
+        set => SetValue(DisplayForegroundProperty, value);
+    }
+
+    public string? TimeText
+    {
+        get => GetValue(TimeTextProperty);
+        set => SetValue(TimeTextProperty, value);
+    }
+
+    private static readonly string[] TimeFormats = { @"h\:mm", @"hh\:mm" };
+
+    private DateTime _displayMonth;
+    private bool _suppressTimeSync;
+
+    public ThemedDatePicker()
+    {
+        InitializeComponent();
+        _displayMonth = new DateTime(DateTime.Today.Year, DateTime.Today.Month, 1);
+        BuildWeekdayHeaders();
+        BuildDayGrid();
+        UpdateDisplayText();
+        UpdateTimeRowVisibility();
+
+        PickerPopup.Opened += OnPopupOpened;
+    }
+
+    private void UpdateTimeRowVisibility()
+    {
+        if (TimeRow is null) return;
+        TimeRow.IsVisible = ShowTime && !IsRange;
+    }
+
+    private void OnPopupOpened(object? sender, EventArgs e)
+    {
+        var seed = AnchorDate() ?? DateTime.Today;
+        _displayMonth = new DateTime(seed.Year, seed.Month, 1);
+        BuildDayGrid();
+    }
+
+    private DateTime? AnchorDate() =>
+        IsRange ? (StartDate ?? EndDate) : SelectedDate;
+
+    protected override void OnPropertyChanged(AvaloniaPropertyChangedEventArgs change)
+    {
+        base.OnPropertyChanged(change);
+        if (change.Property == SelectedDateProperty)
+        {
+            UpdateDisplayText();
+            SyncTimeFromSelected();
+            BuildDayGrid();
+        }
+        else if (change.Property == StartDateProperty || change.Property == EndDateProperty)
+        {
+            UpdateDisplayText();
+            BuildDayGrid();
+        }
+        else if (change.Property == ShowTimeProperty || change.Property == WatermarkProperty
+                 || change.Property == IsRangeProperty)
+        {
+            UpdateDisplayText();
+            BuildDayGrid();
+            UpdateTimeRowVisibility();
+        }
+        else if (change.Property == TimeTextProperty)
+        {
+            ApplyTimeTextToSelected();
+        }
+    }
+
+    private void UpdateDisplayText()
+    {
+        if (IsRange)
+        {
+            var (s, end) = NormalizeRange(StartDate?.Date, EndDate?.Date);
+            if (s is null && end is null)
+            {
+                DisplayText = Watermark ?? "Pick a range";
+                DisplayForeground = TryGetBrush("TextDimBrush");
+                return;
+            }
+            if (s is not null && end is null)
+            {
+                DisplayText = $"{s.Value:MMM d} – select end";
+                DisplayForeground = TryGetBrush("TextBrush");
+                return;
+            }
+            // both set
+            var sd = s!.Value;
+            var ed = end!.Value;
+            DisplayText = sd.Year == ed.Year
+                ? $"{sd:MMM d} – {ed:MMM d, yyyy}"
+                : $"{sd:MMM d, yyyy} – {ed:MMM d, yyyy}";
+            DisplayForeground = TryGetBrush("TextBrush");
+            return;
+        }
+
+        if (SelectedDate is null)
+        {
+            DisplayText = Watermark ?? "Pick a date";
+            DisplayForeground = TryGetBrush("TextDimBrush");
+            return;
+        }
+        var d = SelectedDate.Value;
+        DisplayText = ShowTime
+            ? d.ToString("MMM d, yyyy · HH:mm", CultureInfo.CurrentCulture)
+            : d.ToString("MMM d, yyyy", CultureInfo.CurrentCulture);
+        DisplayForeground = TryGetBrush("TextBrush");
+    }
+
+    private static (DateTime? Start, DateTime? End) NormalizeRange(DateTime? a, DateTime? b)
+    {
+        if (a is null && b is null) return (null, null);
+        if (a is null) return (b, b);
+        if (b is null) return (a, null);
+        return a.Value <= b.Value ? (a, b) : (b, a);
+    }
+
+    private IBrush? TryGetBrush(string key)
+    {
+        if (this.TryFindResource(key, out var v) && v is IBrush b) return b;
+        return null;
+    }
+
+    private void SyncTimeFromSelected()
+    {
+        if (SelectedDate is null) return;
+        _suppressTimeSync = true;
+        TimeText = SelectedDate.Value.ToString("HH:mm");
+        _suppressTimeSync = false;
+    }
+
+    private void ApplyTimeTextToSelected()
+    {
+        if (_suppressTimeSync || !ShowTime || IsRange || SelectedDate is null) return;
+        if (TryParseTime(TimeText, out var t))
+        {
+            var d = SelectedDate.Value.Date + t;
+            if (d != SelectedDate) SelectedDate = d;
+        }
+    }
+
+    private static bool TryParseTime(string? text, out TimeSpan ts)
+    {
+        ts = default;
+        if (string.IsNullOrWhiteSpace(text)) return false;
+        return TimeSpan.TryParseExact(text, TimeFormats, CultureInfo.InvariantCulture, out ts);
+    }
+
+    private void BuildWeekdayHeaders()
+    {
+        if (WeekdayHeaders is null) return;
+        WeekdayHeaders.Children.Clear();
+        var firstDow = CultureInfo.CurrentCulture.DateTimeFormat.FirstDayOfWeek;
+        var names = CultureInfo.CurrentCulture.DateTimeFormat.AbbreviatedDayNames;
+        for (int i = 0; i < 7; i++)
+        {
+            var dow = (DayOfWeek)(((int)firstDow + i) % 7);
+            var name = names[(int)dow];
+            if (name.Length > 3) name = name.Substring(0, 3);
+            WeekdayHeaders.Children.Add(new TextBlock { Text = name, Classes = { "weekday" } });
+        }
+    }
+
+    private void BuildDayGrid()
+    {
+        if (DayGrid is null || MonthHeader is null) return;
+        DayGrid.Children.Clear();
+        MonthHeader.Text = _displayMonth.ToString("MMMM yyyy", CultureInfo.CurrentCulture);
+
+        var firstDow = CultureInfo.CurrentCulture.DateTimeFormat.FirstDayOfWeek;
+        var offset = ((int)_displayMonth.DayOfWeek - (int)firstDow + 7) % 7;
+        var start = _displayMonth.AddDays(-offset);
+
+        var today = DateTime.Today;
+        var sel = SelectedDate?.Date;
+        var (rs, re) = NormalizeRange(StartDate?.Date, EndDate?.Date);
+        var rangeFill = TryGetBrush("AccentSoftBrush");
+
+        for (int i = 0; i < 42; i++)
+        {
+            var day = start.AddDays(i);
+            var cell = new Grid();
+
+            if (IsRange && rs.HasValue && re.HasValue && rs.Value != re.Value
+                && day >= rs.Value && day <= re.Value)
+            {
+                Thickness margin;
+                if (day == rs.Value)
+                    margin = new Thickness(19, 0, 0, 0);
+                else if (day == re.Value)
+                    margin = new Thickness(0, 0, 19, 0);
+                else
+                    margin = default;
+
+                cell.Children.Add(new Border
+                {
+                    Background = rangeFill,
+                    Margin = margin,
+                    HorizontalAlignment = HorizontalAlignment.Stretch,
+                    VerticalAlignment = VerticalAlignment.Stretch
+                });
+            }
+
+            var btn = new Button
+            {
+                Content = day.Day.ToString(CultureInfo.CurrentCulture),
+                Classes = { "day" },
+                Tag = day
+            };
+            if (day.Month != _displayMonth.Month) btn.Classes.Add("outside");
+            if (day == today) btn.Classes.Add("today");
+
+            var isSelected = IsRange
+                ? (rs.HasValue && day == rs.Value) || (re.HasValue && day == re.Value)
+                : sel.HasValue && day == sel.Value;
+            if (isSelected) btn.Classes.Add("selected");
+
+            btn.Click += OnDayClick;
+            cell.Children.Add(btn);
+            DayGrid.Children.Add(cell);
+        }
+    }
+
+    private void OnDayClick(object? sender, RoutedEventArgs e)
+    {
+        if (sender is not Button { Tag: DateTime day }) return;
+
+        if (IsRange)
+        {
+            // State A: nothing or both set → start a fresh range
+            // State B: only start set → complete (or restart) range
+            if (StartDate is null || EndDate is not null)
+            {
+                StartDate = day.Date;
+                EndDate = null;
+            }
+            else
+            {
+                var s = StartDate.Value.Date;
+                if (day.Date < s)
+                {
+                    StartDate = day.Date;
+                    EndDate = s;
+                }
+                else
+                {
+                    EndDate = day.Date;
+                }
+            }
+            BuildDayGrid();
+            return;
+        }
+
+        var time = TimeSpan.Zero;
+        if (ShowTime)
+        {
+            if (TryParseTime(TimeText, out var parsed)) time = parsed;
+            else if (SelectedDate is { } cur) time = cur.TimeOfDay;
+        }
+        else if (SelectedDate is { } cur) time = cur.TimeOfDay;
+
+        SelectedDate = day.Date + time;
+        if (!ShowTime) PickerPopup.IsOpen = false;
+    }
+
+    private void OnPrevMonthClick(object? sender, RoutedEventArgs e)
+    {
+        _displayMonth = _displayMonth.AddMonths(-1);
+        BuildDayGrid();
+    }
+
+    private void OnNextMonthClick(object? sender, RoutedEventArgs e)
+    {
+        _displayMonth = _displayMonth.AddMonths(1);
+        BuildDayGrid();
+    }
+
+    private void OnTodayClick(object? sender, RoutedEventArgs e) => SetQuickDate(DateTime.Today);
+
+    private void OnTomorrowClick(object? sender, RoutedEventArgs e) => SetQuickDate(DateTime.Today.AddDays(1));
+
+    private void OnNextMondayClick(object? sender, RoutedEventArgs e)
+    {
+        var today = DateTime.Today;
+        int delta = ((int)DayOfWeek.Monday - (int)today.DayOfWeek + 7) % 7;
+        if (delta == 0) delta = 7;
+        SetQuickDate(today.AddDays(delta));
+    }
+
+    private void OnClearClick(object? sender, RoutedEventArgs e)
+    {
+        if (IsRange)
+        {
+            StartDate = null;
+            EndDate = null;
+        }
+        else
+        {
+            SelectedDate = null;
+        }
+        PickerPopup.IsOpen = false;
+    }
+
+    private void SetQuickDate(DateTime date)
+    {
+        _displayMonth = new DateTime(date.Year, date.Month, 1);
+
+        if (IsRange)
+        {
+            StartDate = date.Date;
+            EndDate = date.Date;
+            BuildDayGrid();
+            PickerPopup.IsOpen = false;
+            return;
+        }
+
+        var time = TimeSpan.Zero;
+        if (ShowTime)
+        {
+            if (!TryParseTime(TimeText, out time))
+                time = SelectedDate?.TimeOfDay ?? new TimeSpan(9, 0, 0);
+        }
+        SelectedDate = date.Date + time;
+        BuildDayGrid();
+        if (!ShowTime) PickerPopup.IsOpen = false;
+    }
+
+    private void OnDoneClick(object? sender, RoutedEventArgs e)
+    {
+        ApplyTimeTextToSelected();
+        PickerPopup.IsOpen = false;
+    }
+}

src/ClaudeDo.Ui/Views/Modals/SettingsModalView.axaml

@@ -3,6 +3,7 @@
         xmlns:vm="using:ClaudeDo.Ui.ViewModels.Modals"
         xmlns:settings="using:ClaudeDo.Ui.ViewModels.Modals.Settings"
         xmlns:conv="using:ClaudeDo.Ui.Converters"
+        xmlns:ctl="using:ClaudeDo.Ui.Views.Controls"
         x:Class="ClaudeDo.Ui.Views.Modals.SettingsModalView"
         x:DataType="vm:SettingsModalViewModel"
         Title="Settings"
@@ -225,23 +226,23 @@
                       <Border BorderBrush="{DynamicResource LineBrush}" BorderThickness="1"
                               CornerRadius="6" Padding="10,8" Margin="0,0,0,8"
                               Background="{DynamicResource DeepBrush}">
-                        <Grid ColumnDefinitions="Auto,*,*,Auto,Auto,Auto,Auto" ColumnSpacing="8">
+                        <Grid ColumnDefinitions="Auto,*,Auto,Auto,Auto,Auto" ColumnSpacing="8">
                           <CheckBox Grid.Column="0" IsChecked="{Binding Enabled, Mode=TwoWay}" VerticalAlignment="Center"/>
-                          <CalendarDatePicker Grid.Column="1"
+                          <ctl:ThemedDatePicker Grid.Column="1"
-                                              SelectedDate="{Binding StartDate, Mode=TwoWay, Converter={StaticResource DateOnlyToDateTime}}"
+                                                IsRange="True"
-                                              VerticalAlignment="Center"/>
+                                                StartDate="{Binding StartDate, Mode=TwoWay, Converter={StaticResource DateOnlyToDateTime}}"
-                          <CalendarDatePicker Grid.Column="2"
+                                                EndDate="{Binding EndDate, Mode=TwoWay, Converter={StaticResource DateOnlyToDateTime}}"
-                                              SelectedDate="{Binding EndDate, Mode=TwoWay, Converter={StaticResource DateOnlyToDateTime}}"
+                                                Watermark="Pick a range"
-                                              VerticalAlignment="Center"/>
+                                                VerticalAlignment="Center"/>
-                          <TextBox Grid.Column="3" Width="64"
+                          <TextBox Grid.Column="2" Width="64"
                                    Text="{Binding TimeOfDay, Mode=TwoWay, Converter={StaticResource TimeSpanToHhmm}}"
                                    VerticalAlignment="Center"/>
-                          <CheckBox Grid.Column="4" Content="Mon–Fri"
+                          <CheckBox Grid.Column="3" Content="Mon–Fri"
                                     IsChecked="{Binding WorkdaysOnly, Mode=TwoWay}" VerticalAlignment="Center"/>
-                          <TextBlock Grid.Column="5" Text="{Binding LastRunLabel}" VerticalAlignment="Center"
+                          <TextBlock Grid.Column="4" Text="{Binding LastRunLabel}" VerticalAlignment="Center"
                                      Foreground="{DynamicResource TextDimBrush}" FontSize="11"
                                      MinWidth="80"/>
-                          <Button Grid.Column="6" Content="✕"
+                          <Button Grid.Column="5" Content="✕"
                                   Command="{Binding $parent[ItemsControl].((vm:SettingsModalViewModel)DataContext).Prime.RemoveScheduleCommand}"
                                   CommandParameter="{Binding}"/>
                         </Grid>