Progress bar: red when overdue, orange when 2-3 days from deadline

Fixes #13

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

PortfolioJournal/Views/Dashboard/DashboardView.swift

@@ -418,6 +418,22 @@ struct MonthlyCheckInCard: View {
         return last.adding(months: 1)
     }
 
+    private var isOverdue: Bool {
+        guard let next = nextCheckInDate else { return false }
+        return Date() > next
+    }
+
+    private var daysUntilDeadline: Int? {
+        guard let next = nextCheckInDate else { return nil }
+        return Calendar.current.dateComponents([.day], from: Date().startOfDay, to: next.startOfDay).day
+    }
+
+    private var progressBarTint: Color {
+        if isOverdue { return .red }
+        if let days = daysUntilDeadline, days <= 3 { return .orange }
+        return .appSecondary
+    }
+
     private var reminderDate: Date? {
         guard let nextCheckInDate else { return nil }
         let settings = AppSettings.getOrCreate(in: CoreDataStack.shared.viewContext)
@@ -475,12 +491,12 @@ struct MonthlyCheckInCard: View {
             }
 
             ProgressView(value: checkInProgress)
-                .tint(.appSecondary)
+                .tint(progressBarTint)
 
             if let nextDate = nextCheckInDate {
                 Text("Next check-in: \(nextDate.mediumDateString)")
                     .font(.caption)
-                    .foregroundColor(.secondary)
+                    .foregroundColor(isOverdue ? .red : .secondary)
             }
 
             NavigationLink(

PortfolioJournal/Views/Dashboard/MonthlyCheckInView.swift

@@ -58,6 +58,22 @@ struct MonthlyCheckInView: View {
         return last.adding(months: checkInIntervalMonths)
     }
 
+    private var isOverdue: Bool {
+        guard let next = nextCheckInDate else { return false }
+        return Date() > next
+    }
+
+    private var daysUntilDeadline: Int? {
+        guard let next = nextCheckInDate else { return nil }
+        return Calendar.current.dateComponents([.day], from: Date().startOfDay, to: next.startOfDay).day
+    }
+
+    private var progressBarTint: Color {
+        if isOverdue { return .red }
+        if let days = daysUntilDeadline, days <= 3 { return .orange }
+        return .appSecondary
+    }
+
     private var canAddNewCheckIn: Bool {
         true
     }
@@ -171,7 +187,7 @@ struct MonthlyCheckInView: View {
 
             VStack(alignment: .leading, spacing: 6) {
                 ProgressView(value: checkInProgress)
-                    .tint(.appSecondary)
+                    .tint(progressBarTint)
 
                 if let nextDate = nextCheckInDate {
                     Text(