general: its the final countdown

Gaze/Constants/EyeTrackingConstants.swift

@@ -54,13 +54,14 @@ enum EyeTrackingConstants: Sendable {
     static let maxPupilEnabled: Bool = true
 
     // MARK: - Pixel-Based Gaze Detection Thresholds
-    /// Python GazeTracking thresholds for pixel-based pupil detection
-    /// Formula: pupilX / (eyeCenterX * 2 - 10)
-    /// Looking right: ratio ≤ 0.35
-    /// Looking center: 0.35 < ratio < 0.65
-    /// Looking left: ratio ≥ 0.65
-    static let pixelGazeMinRatio: Double = 0.35  // Looking right threshold
-    static let pixelGazeMaxRatio: Double = 0.65  // Looking left threshold
+    /// Thresholds for pupil-based gaze detection
+    /// Based on video test data:
+    /// - Looking at screen (center): H ≈ 0.20-0.50
+    /// - Looking left (away): H ≈ 0.50+
+    /// - Looking right (away): H ≈ 0.20-
+    /// Coordinate system: Lower values = right, Higher values = left
+    static let pixelGazeMinRatio: Double = 0.20  // Below this = looking right (away)
+    static let pixelGazeMaxRatio: Double = 0.50  // Above this = looking left (away)
     static let pixelGazeEnabled: Bool = true
     
     // MARK: - Screen Boundary Detection (New)

Gaze/Models/CalibrationData.swift

@@ -121,23 +121,29 @@ struct GazeThresholds: Codable {
     let referenceFaceWidth: Double // Average face width during calibration
     
     var isValid: Bool {
-        // Basic sanity checks
-        return maxRightRatio < minLeftRatio &&
-               minUpRatio < maxDownRatio &&
-               screenRightBound < screenLeftBound && // Assuming lower ratio = right
-               screenTopBound < screenBottomBound // Assuming lower ratio = up
+        // Just check that we have reasonable values (not NaN or infinite)
+        let values = [minLeftRatio, maxRightRatio, minUpRatio, maxDownRatio,
+                      screenLeftBound, screenRightBound, screenTopBound, screenBottomBound]
+        return values.allSatisfy { $0.isFinite }
     }
     
+    /// Default thresholds based on video test data:
+    /// - Center (looking at screen): H ≈ 0.29-0.35
+    /// - Screen left edge: H ≈ 0.45-0.50
+    /// - Looking away left: H ≈ 0.55+
+    /// - Screen right edge: H ≈ 0.20-0.25
+    /// - Looking away right: H ≈ 0.15-
+    /// Coordinate system: Lower H = right, Higher H = left
     static var defaultThresholds: GazeThresholds {
         GazeThresholds(
-            minLeftRatio: 0.65,
-            maxRightRatio: 0.35,
-            minUpRatio: 0.40,
-            maxDownRatio: 0.60,
-            screenLeftBound: 0.60,
-            screenRightBound: 0.40,
-            screenTopBound: 0.45,
-            screenBottomBound: 0.55,
+            minLeftRatio: 0.55,      // Beyond this = looking left (away)
+            maxRightRatio: 0.15,     // Below this = looking right (away)
+            minUpRatio: 0.30,        // Below this = looking up (away)
+            maxDownRatio: 0.60,      // Above this = looking down (away)
+            screenLeftBound: 0.50,   // Left edge of screen
+            screenRightBound: 0.20,  // Right edge of screen
+            screenTopBound: 0.35,    // Top edge of screen
+            screenBottomBound: 0.55, // Bottom edge of screen
             referenceFaceWidth: 0.0  // 0.0 means unused/uncalibrated
         )
     }
@@ -187,60 +193,154 @@ struct CalibrationData: Codable {
     }
     
     mutating func calculateThresholds() {
-        // We need Center, Left, Right, Up, Down samples for a full calibration
-        // Fallback: If corners (TopLeft, etc.) are available, use them to reinforce bounds
+        // Calibration uses actual measured gaze ratios from the user looking at different
+        // screen positions. The face width during calibration serves as a reference for
+        // distance-based normalization during live tracking.
+        //
+        // Coordinate system (based on video testing):
+        // Horizontal: 0.0 = far right, 1.0 = far left
+        // Vertical: 0.0 = top, 1.0 = bottom
+        // Center (looking at screen) typically: H ≈ 0.29-0.35
         
-        let centerH = averageRatio(for: .center) ?? 0.5
-        let centerV = averageVerticalRatio(for: .center) ?? 0.5
+        // 1. Get center reference point
+        let centerH = averageRatio(for: .center)
+        let centerV = averageVerticalRatio(for: .center)
+        let centerFaceWidth = averageFaceWidth(for: .center)
         
-        // 1. Horizontal Bounds
-        // If specific Left/Right steps missing, try corners
-        let leftH = averageRatio(for: .left) ?? averageRatio(for: .topLeft) ?? averageRatio(for: .bottomLeft) ?? (centerH + 0.15)
-        let rightH = averageRatio(for: .right) ?? averageRatio(for: .topRight) ?? averageRatio(for: .bottomRight) ?? (centerH - 0.15)
+        guard let cH = centerH else {
+            print("⚠️ No center calibration data, using defaults")
+            self.computedThresholds = GazeThresholds.defaultThresholds
+            return
+        }
         
-        // 2. Vertical Bounds
-        let upV = averageVerticalRatio(for: .up) ?? averageVerticalRatio(for: .topLeft) ?? averageVerticalRatio(for: .topRight) ?? (centerV - 0.15)
-        let downV = averageVerticalRatio(for: .down) ?? averageVerticalRatio(for: .bottomLeft) ?? averageVerticalRatio(for: .bottomRight) ?? (centerV + 0.15)
+        let cV = centerV ?? 0.45  // Default vertical center
         
-        // 3. Face Width Reference (average of all center samples)
-        let refFaceWidth = averageFaceWidth(for: .center) ?? 0.0
+        print("📊 Calibration data collected:")
+        print("  Center H: \(String(format: "%.3f", cH)), V: \(String(format: "%.3f", cV))")
         
-        // 4. Compute Boundaries with Margin
-        // "Screen Bound" is exactly where the user looked.
-        // We set thresholds slightly BEYOND that to detect "Looking Away".
+        // 2. Get horizontal screen bounds from left/right calibration points
+        // These represent where the user looked when targeting screen edges
+        // Use farLeft/farRight for "beyond screen" thresholds, left/right for screen bounds
         
-        // Note: Assuming standard coordinates where:
-        // Horizontal: 0.0 (Right) -> 1.0 (Left)
-        // Vertical: 0.0 (Up) -> 1.0 (Down)
+        // Screen bounds (where user looked at screen edges)
+        let screenLeftH = averageRatio(for: .left) 
+            ?? averageRatio(for: .topLeft) 
+            ?? averageRatio(for: .bottomLeft)
+        let screenRightH = averageRatio(for: .right) 
+            ?? averageRatio(for: .topRight) 
+            ?? averageRatio(for: .bottomRight)
         
-        // Thresholds for "Looking Away"
-        // Looking Left = Ratio > Screen Left Edge
-        let lookLeftThreshold = leftH + 0.05
-        // Looking Right = Ratio < Screen Right Edge
-        let lookRightThreshold = rightH - 0.05
+        // Far bounds (where user looked beyond screen - for "looking away" threshold)
+        let farLeftH = averageRatio(for: .farLeft)
+        let farRightH = averageRatio(for: .farRight)
         
-        // Looking Up = Ratio < Screen Top Edge
-        let lookUpThreshold = upV - 0.05
-        // Looking Down = Ratio > Screen Bottom Edge
-        let lookDownThreshold = downV + 0.05
+        // 3. Calculate horizontal thresholds
+        // If we have farLeft/farRight, use the midpoint between screen edge and far as threshold
+        // Otherwise, extend screen bounds by a margin
         
+        let leftBound: Double
+        let rightBound: Double
+        let lookLeftThreshold: Double
+        let lookRightThreshold: Double
+        
+        if let sLeft = screenLeftH {
+            leftBound = sLeft
+            // If we have farLeft, threshold is midpoint; otherwise extend by margin
+            if let fLeft = farLeftH {
+                lookLeftThreshold = (sLeft + fLeft) / 2.0
+            } else {
+                // Extend beyond screen by ~50% of center-to-edge distance
+                let edgeDistance = sLeft - cH
+                lookLeftThreshold = sLeft + edgeDistance * 0.5
+            }
+        } else {
+            // No left calibration - estimate based on center
+            leftBound = cH + 0.15
+            lookLeftThreshold = cH + 0.20
+        }
+        
+        if let sRight = screenRightH {
+            rightBound = sRight
+            if let fRight = farRightH {
+                lookRightThreshold = (sRight + fRight) / 2.0
+            } else {
+                let edgeDistance = cH - sRight
+                lookRightThreshold = sRight - edgeDistance * 0.5
+            }
+        } else {
+            rightBound = cH - 0.15
+            lookRightThreshold = cH - 0.20
+        }
+        
+        // 4. Get vertical screen bounds
+        let screenTopV = averageVerticalRatio(for: .up) 
+            ?? averageVerticalRatio(for: .topLeft) 
+            ?? averageVerticalRatio(for: .topRight)
+        let screenBottomV = averageVerticalRatio(for: .down) 
+            ?? averageVerticalRatio(for: .bottomLeft) 
+            ?? averageVerticalRatio(for: .bottomRight)
+        
+        let topBound: Double
+        let bottomBound: Double
+        let lookUpThreshold: Double
+        let lookDownThreshold: Double
+        
+        if let sTop = screenTopV {
+            topBound = sTop
+            let edgeDistance = cV - sTop
+            lookUpThreshold = sTop - edgeDistance * 0.5
+        } else {
+            topBound = cV - 0.10
+            lookUpThreshold = cV - 0.15
+        }
+        
+        if let sBottom = screenBottomV {
+            bottomBound = sBottom
+            let edgeDistance = sBottom - cV
+            lookDownThreshold = sBottom + edgeDistance * 0.5
+        } else {
+            bottomBound = cV + 0.10
+            lookDownThreshold = cV + 0.15
+        }
+        
+        // 5. Reference face width for distance normalization
+        // Average face width from all calibration steps gives a good reference
+        let allFaceWidths = CalibrationStep.allCases.compactMap { averageFaceWidth(for: $0) }
+        let refFaceWidth = allFaceWidths.isEmpty ? 0.0 : allFaceWidths.reduce(0.0, +) / Double(allFaceWidths.count)
+        
+        // 6. Create thresholds
         let thresholds = GazeThresholds(
             minLeftRatio: lookLeftThreshold,
             maxRightRatio: lookRightThreshold,
             minUpRatio: lookUpThreshold,
             maxDownRatio: lookDownThreshold,
-            screenLeftBound: leftH,
-            screenRightBound: rightH,
-            screenTopBound: upV,
-            screenBottomBound: downV,
+            screenLeftBound: leftBound,
+            screenRightBound: rightBound,
+            screenTopBound: topBound,
+            screenBottomBound: bottomBound,
             referenceFaceWidth: refFaceWidth
         )
         
         self.computedThresholds = thresholds
+        
         print("✓ Calibration thresholds calculated:")
-        print("  H-Range: \(String(format: "%.3f", rightH)) to \(String(format: "%.3f", leftH))")
-        print("  V-Range: \(String(format: "%.3f", upV)) to \(String(format: "%.3f", downV))")
+        print("  Center: H=\(String(format: "%.3f", cH)), V=\(String(format: "%.3f", cV))")
+        print("  Screen H-Range: \(String(format: "%.3f", rightBound)) to \(String(format: "%.3f", leftBound))")
+        print("  Screen V-Range: \(String(format: "%.3f", topBound)) to \(String(format: "%.3f", bottomBound))")
+        print("  Away Thresholds: L≥\(String(format: "%.3f", lookLeftThreshold)), R≤\(String(format: "%.3f", lookRightThreshold))")
+        print("  Away Thresholds: U≤\(String(format: "%.3f", lookUpThreshold)), D≥\(String(format: "%.3f", lookDownThreshold))")
         print("  Ref Face Width: \(String(format: "%.3f", refFaceWidth))")
+        
+        // Log per-step data for debugging
+        print("  Per-step data:")
+        for step in CalibrationStep.allCases {
+            if let h = averageRatio(for: step) {
+                let v = averageVerticalRatio(for: step) ?? -1
+                let fw = averageFaceWidth(for: step) ?? -1
+                let count = getSamples(for: step).count
+                print("    \(step.rawValue): H=\(String(format: "%.3f", h)), V=\(String(format: "%.3f", v)), FW=\(String(format: "%.3f", fw)), samples=\(count)")
+            }
+        }
     }
 }
 

Gaze/Services/CalibrationManager.swift

@@ -15,6 +15,7 @@ class CalibrationManager: ObservableObject {
     // MARK: - Published Properties
     
     @Published var isCalibrating = false
+    @Published var isCollectingSamples = false  // True when actively collecting (after countdown)
     @Published var currentStep: CalibrationStep?
     @Published var currentStepIndex = 0
     @Published var samplesCollected = 0
@@ -22,9 +23,8 @@ class CalibrationManager: ObservableObject {
     
     // MARK: - Configuration
     
-    private let samplesPerStep = 20  // Collect 20 samples per calibration point (~1 second at 30fps)
+    private let samplesPerStep = 30  // Collect 30 samples per calibration point (~1 second at 30fps)
     private let userDefaultsKey = "eyeTrackingCalibration"
-    private let calibrationValidityDays = 30
     
     // Calibration sequence (9 steps)
     private let calibrationSteps: [CalibrationStep] = [
@@ -50,14 +50,27 @@ class CalibrationManager: ObservableObject {
     func startCalibration() {
         print("🎯 Starting calibration...")
         isCalibrating = true
+        isCollectingSamples = false
         currentStepIndex = 0
         currentStep = calibrationSteps[0]
         samplesCollected = 0
         calibrationData = CalibrationData()
     }
     
+    /// Reset state for a new calibration attempt (clears isComplete flag from previous calibration)
+    func resetForNewCalibration() {
+        print("🔄 Resetting for new calibration...")
+        calibrationData = CalibrationData()
+    }
+    
+    func startCollectingSamples() {
+        guard isCalibrating, currentStep != nil else { return }
+        print("📊 Started collecting samples for step: \(currentStep?.displayName ?? "unknown")")
+        isCollectingSamples = true
+    }
+    
     func collectSample(leftRatio: Double?, rightRatio: Double?, leftVertical: Double? = nil, rightVertical: Double? = nil, faceWidthRatio: Double? = nil) {
-        guard isCalibrating, let step = currentStep else { return }
+        guard isCalibrating, isCollectingSamples, let step = currentStep else { return }
         
         let sample = GazeSample(
             leftRatio: leftRatio,
@@ -76,6 +89,7 @@ class CalibrationManager: ObservableObject {
     }
     
     private func advanceToNextStep() {
+        isCollectingSamples = false
         currentStepIndex += 1
         
         if currentStepIndex < calibrationSteps.count {
@@ -108,6 +122,7 @@ class CalibrationManager: ObservableObject {
         applyCalibration()
         
         isCalibrating = false
+        isCollectingSamples = false
         currentStep = nil
         currentStepIndex = 0
         samplesCollected = 0
@@ -118,6 +133,7 @@ class CalibrationManager: ObservableObject {
     func cancelCalibration() {
         print("❌ Calibration cancelled")
         isCalibrating = false
+        isCollectingSamples = false
         currentStep = nil
         currentStepIndex = 0
         samplesCollected = 0
@@ -183,15 +199,7 @@ class CalibrationManager: ObservableObject {
               thresholds.isValid else {
             return false
         }
-        
-        // Check if calibration is not too old
-        let daysSinceCalibration = Calendar.current.dateComponents(
-            [.day],
-            from: calibrationData.calibrationDate,
-            to: Date()
-        ).day ?? 0
-        
-        return daysSinceCalibration < calibrationValidityDays
+        return true
     }
     
     func needsRecalibration() -> Bool {

Gaze/Services/CalibrationWindowManager.swift

@@ -0,0 +1,54 @@
+//
+//  CalibrationWindowManager.swift
+//  Gaze
+//
+//  Manages the fullscreen calibration overlay window.
+//
+
+import AppKit
+import SwiftUI
+
+@MainActor
+final class CalibrationWindowManager {
+    static let shared = CalibrationWindowManager()
+    
+    private var windowController: NSWindowController?
+    
+    private init() {}
+    
+    func showCalibrationOverlay() {
+        guard let screen = NSScreen.main else { return }
+        
+        let window = KeyableWindow(
+            contentRect: screen.frame,
+            styleMask: [.borderless, .fullSizeContentView],
+            backing: .buffered,
+            defer: false
+        )
+        
+        window.level = .screenSaver
+        window.isOpaque = true
+        window.backgroundColor = .black
+        window.collectionBehavior = [.canJoinAllSpaces, .fullScreenAuxiliary]
+        window.acceptsMouseMovedEvents = true
+        window.ignoresMouseEvents = false
+        
+        let overlayView = CalibrationOverlayView {
+            self.dismissCalibrationOverlay()
+        }
+        window.contentView = NSHostingView(rootView: overlayView)
+        
+        windowController = NSWindowController(window: window)
+        windowController?.showWindow(nil)
+        window.makeKeyAndOrderFront(nil)
+        NSApp.activate(ignoringOtherApps: true)
+        
+        print("🎯 Calibration overlay window opened")
+    }
+    
+    func dismissCalibrationOverlay() {
+        windowController?.close()
+        windowController = nil
+        print("🎯 Calibration overlay window closed")
+    }
+}

Gaze/Services/EyeTrackingService.swift

@@ -494,27 +494,36 @@ class EyeTrackingService: NSObject, ObservableObject {
                 if let thresholds = CalibrationState.shared.thresholds,
                    CalibrationState.shared.isComplete {
                     
-                    // 1. Distance Scaling
+                    // 1. Distance Scaling using face width as proxy
+                    // When user is farther from screen, face appears smaller and eye movements
+                    // (in ratio terms) compress toward center. We scale to compensate.
                     let currentFaceWidth = face.boundingBox.width
                     let refFaceWidth = thresholds.referenceFaceWidth
                     
                     var distanceScale = 1.0
                     if refFaceWidth > 0 && currentFaceWidth > 0 {
-                        distanceScale = refFaceWidth / currentFaceWidth
-                        distanceScale = 1.0 + (distanceScale - 1.0) * EyeTrackingConstants.distanceSensitivity
+                        // ratio > 1 means user is farther than calibration distance
+                        // ratio < 1 means user is closer than calibration distance
+                        let rawScale = refFaceWidth / currentFaceWidth
+                        // Apply sensitivity factor and clamp to reasonable range
+                        distanceScale = 1.0 + (rawScale - 1.0) * EyeTrackingConstants.distanceSensitivity
+                        distanceScale = max(0.5, min(2.0, distanceScale))  // Clamp to 0.5x - 2x
                     }
                     
-                    // 2. Normalize Gaze
+                    // 2. Calculate calibrated center point
                     let centerH = (thresholds.screenLeftBound + thresholds.screenRightBound) / 2.0
                     let centerV = (thresholds.screenTopBound + thresholds.screenBottomBound) / 2.0
                     
+                    // 3. Normalize gaze relative to center, scaled for distance
+                    // When farther away, eye movements are smaller, so we amplify them
                     let deltaH = (avgH - centerH) * distanceScale
                     let deltaV = (avgV - centerV) * distanceScale
                     
                     let normalizedH = centerH + deltaH
                     let normalizedV = centerV + deltaV
                     
-                    // 3. Boundary Check
+                    // 4. Boundary Check - compare against screen bounds
+                    // Looking away = gaze is beyond the calibrated screen edges
                     let margin = EyeTrackingConstants.boundaryForgivenessMargin
                     
                     let isLookingLeft = normalizedH > (thresholds.screenLeftBound + margin)
@@ -525,7 +534,7 @@ class EyeTrackingService: NSObject, ObservableObject {
                     eyesLookingAway = isLookingLeft || isLookingRight || isLookingUp || isLookingDown
                     
                 } else {
-                    // Fallback to default constants
+                    // Fallback to default constants (no calibration)
                     let lookingRight = avgH <= EyeTrackingConstants.pixelGazeMinRatio
                     let lookingLeft = avgH >= EyeTrackingConstants.pixelGazeMaxRatio
                     eyesLookingAway = lookingRight || lookingLeft

Gaze/Services/PupilDetector.swift

@@ -44,12 +44,15 @@ enum GazeDirection: String, Sendable, CaseIterable {
     case downRight = "↘"
 
     /// Thresholds for direction detection
-    /// Horizontal: 0.0 = looking right (from camera POV), 1.0 = looking left
+    /// Based on actual video test data:
+    /// - Looking at screen (center): H ≈ 0.29-0.35
+    /// - Looking left (away): H ≈ 0.62-0.70
+    /// Horizontal: Lower values = center/right, Higher values = left
     /// Vertical: 0.0 = looking up, 1.0 = looking down
-    private static let horizontalLeftThreshold = 0.55  // Above this = looking left
-    private static let horizontalRightThreshold = 0.45  // Below this = looking right
-    private static let verticalUpThreshold = 0.40  // Below this = looking up
-    private static let verticalDownThreshold = 0.60  // Above this = looking down
+    private static let horizontalLeftThreshold = 0.50  // Above this = looking left (away)
+    private static let horizontalRightThreshold = 0.20  // Below this = looking right
+    private static let verticalUpThreshold = 0.35  // Below this = looking up
+    private static let verticalDownThreshold = 0.55  // Above this = looking down
 
     static func from(horizontal: Double, vertical: Double) -> GazeDirection {
         let isLeft = horizontal > horizontalLeftThreshold

Gaze/Views/Components/CalibrationOverlayView.swift

@@ -0,0 +1,449 @@
+//
+//  CalibrationOverlayView.swift
+//  Gaze
+//
+//  Fullscreen overlay view for eye tracking calibration targets.
+//
+
+import SwiftUI
+import Combine
+import AVFoundation
+
+struct CalibrationOverlayView: View {
+    @StateObject private var calibrationManager = CalibrationManager.shared
+    @StateObject private var eyeTrackingService = EyeTrackingService.shared
+    @StateObject private var viewModel = CalibrationOverlayViewModel()
+    
+    let onDismiss: () -> Void
+    
+    var body: some View {
+        GeometryReader { geometry in
+            ZStack {
+                Color.black.ignoresSafeArea()
+                
+                // Camera preview at 50% opacity (mirrored for natural feel)
+                if let previewLayer = eyeTrackingService.previewLayer {
+                    CameraPreviewView(previewLayer: previewLayer, borderColor: .clear)
+                        .scaleEffect(x: -1, y: 1)
+                        .opacity(0.5)
+                        .ignoresSafeArea()
+                }
+                
+                if let error = viewModel.showError {
+                    errorView(error)
+                } else if !viewModel.cameraStarted {
+                    startingCameraView
+                } else if calibrationManager.isCalibrating {
+                    calibrationContentView(screenSize: geometry.size)
+                } else if viewModel.calibrationStarted && calibrationManager.calibrationData.isComplete {
+                    // Only show completion if we started calibration this session AND it completed
+                    completionView
+                } else if viewModel.calibrationStarted {
+                    // Calibration was started but not yet complete - show content
+                    calibrationContentView(screenSize: geometry.size)
+                }
+            }
+        }
+        .task {
+            await viewModel.startCamera(eyeTrackingService: eyeTrackingService, calibrationManager: calibrationManager)
+        }
+        .onDisappear {
+            viewModel.cleanup(eyeTrackingService: eyeTrackingService, calibrationManager: calibrationManager)
+        }
+        .onChange(of: calibrationManager.currentStep) { oldStep, newStep in
+            if newStep != nil && oldStep != newStep {
+                viewModel.startStepCountdown(calibrationManager: calibrationManager)
+            }
+        }
+    }
+    
+    // MARK: - Starting Camera View
+    
+    private var startingCameraView: some View {
+        VStack(spacing: 20) {
+            ProgressView()
+                .scaleEffect(2)
+                .tint(.white)
+            
+            Text("Starting camera...")
+                .font(.title2)
+                .foregroundStyle(.white)
+        }
+    }
+    
+    // MARK: - Error View
+    
+    private func errorView(_ message: String) -> some View {
+        VStack(spacing: 20) {
+            Image(systemName: "exclamationmark.triangle.fill")
+                .font(.system(size: 60))
+                .foregroundStyle(.orange)
+            
+            Text("Camera Error")
+                .font(.title)
+                .foregroundStyle(.white)
+            
+            Text(message)
+                .font(.body)
+                .foregroundStyle(.gray)
+                .multilineTextAlignment(.center)
+            
+            Button("Close") {
+                onDismiss()
+            }
+            .buttonStyle(.borderedProminent)
+            .padding(.top, 20)
+        }
+        .padding(40)
+    }
+    
+    // MARK: - Calibration Content
+    
+    private func calibrationContentView(screenSize: CGSize) -> some View {
+        ZStack {
+            VStack {
+                progressBar
+                Spacer()
+            }
+            
+            if let step = calibrationManager.currentStep {
+                calibrationTarget(for: step, screenSize: screenSize)
+            }
+            
+            VStack {
+                Spacer()
+                HStack {
+                    cancelButton
+                    Spacer()
+                    if !calibrationManager.isCollectingSamples {
+                        skipButton
+                    }
+                }
+                .padding(.horizontal, 40)
+                .padding(.bottom, 40)
+            }
+            
+            // Face detection indicator
+            VStack {
+                HStack {
+                    Spacer()
+                    faceDetectionIndicator
+                }
+                Spacer()
+            }
+        }
+    }
+    
+    // MARK: - Progress Bar
+    
+    private var progressBar: some View {
+        VStack(spacing: 10) {
+            HStack {
+                Text("Calibrating...")
+                    .foregroundStyle(.white)
+                Spacer()
+                Text(calibrationManager.progressText)
+                    .foregroundStyle(.white.opacity(0.7))
+            }
+            
+            ProgressView(value: calibrationManager.progress)
+                .progressViewStyle(.linear)
+                .tint(.blue)
+        }
+        .padding()
+        .background(Color.black.opacity(0.7))
+    }
+    
+    // MARK: - Face Detection Indicator
+    
+    private var faceDetectionIndicator: some View {
+        HStack(spacing: 8) {
+            Circle()
+                .fill(viewModel.stableFaceDetected ? Color.green : Color.red)
+                .frame(width: 12, height: 12)
+            
+            Text(viewModel.stableFaceDetected ? "Face detected" : "No face detected")
+                .font(.caption)
+                .foregroundStyle(.white.opacity(0.8))
+        }
+        .padding(.horizontal, 16)
+        .padding(.vertical, 10)
+        .background(Color.black.opacity(0.7))
+        .cornerRadius(20)
+        .padding()
+        .animation(.easeInOut(duration: 0.3), value: viewModel.stableFaceDetected)
+    }
+    
+    // MARK: - Calibration Target
+    
+    @ViewBuilder
+    private func calibrationTarget(for step: CalibrationStep, screenSize: CGSize) -> some View {
+        let position = targetPosition(for: step, screenSize: screenSize)
+        
+        VStack(spacing: 20) {
+            ZStack {
+                // Outer ring (pulsing when counting down)
+                Circle()
+                    .stroke(Color.blue.opacity(0.3), lineWidth: 3)
+                    .frame(width: 100, height: 100)
+                    .scaleEffect(viewModel.isCountingDown ? 1.2 : 1.0)
+                    .animation(
+                        viewModel.isCountingDown 
+                            ? .easeInOut(duration: 0.6).repeatForever(autoreverses: true)
+                            : .default,
+                        value: viewModel.isCountingDown)
+                
+                // Progress ring when collecting
+                if calibrationManager.isCollectingSamples {
+                    Circle()
+                        .trim(from: 0, to: CGFloat(calibrationManager.samplesCollected) / 30.0)
+                        .stroke(Color.green, lineWidth: 4)
+                        .frame(width: 90, height: 90)
+                        .rotationEffect(.degrees(-90))
+                        .animation(.linear(duration: 0.1), value: calibrationManager.samplesCollected)
+                }
+                
+                // Inner circle
+                Circle()
+                    .fill(calibrationManager.isCollectingSamples ? Color.green : Color.blue)
+                    .frame(width: 60, height: 60)
+                    .animation(.easeInOut(duration: 0.3), value: calibrationManager.isCollectingSamples)
+                
+                // Countdown number or collecting indicator
+                if viewModel.isCountingDown && viewModel.countdownValue > 0 {
+                    Text("\(viewModel.countdownValue)")
+                        .font(.system(size: 36, weight: .bold))
+                        .foregroundStyle(.white)
+                } else if calibrationManager.isCollectingSamples {
+                    Image(systemName: "eye.fill")
+                        .font(.system(size: 24, weight: .bold))
+                        .foregroundStyle(.white)
+                }
+            }
+            
+            Text(instructionText(for: step))
+                .font(.title2)
+                .foregroundStyle(.white)
+                .padding(.horizontal, 40)
+                .padding(.vertical, 15)
+                .background(Color.black.opacity(0.7))
+                .cornerRadius(10)
+        }
+        .position(position)
+    }
+    
+    private func instructionText(for step: CalibrationStep) -> String {
+        if viewModel.isCountingDown && viewModel.countdownValue > 0 {
+            return "Get ready..."
+        } else if calibrationManager.isCollectingSamples {
+            return "Look at the target"
+        } else {
+            return step.instructionText
+        }
+    }
+    
+    // MARK: - Buttons
+    
+    private var skipButton: some View {
+        Button {
+            viewModel.skipCurrentStep(calibrationManager: calibrationManager)
+        } label: {
+            Text("Skip")
+                .foregroundStyle(.white)
+                .padding(.horizontal, 20)
+                .padding(.vertical, 10)
+                .background(Color.white.opacity(0.2))
+                .cornerRadius(8)
+        }
+        .buttonStyle(.plain)
+    }
+    
+    private var cancelButton: some View {
+        Button {
+            viewModel.cleanup(eyeTrackingService: eyeTrackingService, calibrationManager: calibrationManager)
+            onDismiss()
+        } label: {
+            HStack(spacing: 6) {
+                Image(systemName: "xmark")
+                Text("Cancel")
+            }
+            .foregroundStyle(.white.opacity(0.7))
+            .padding(.horizontal, 20)
+            .padding(.vertical, 10)
+            .background(Color.white.opacity(0.1))
+            .cornerRadius(8)
+        }
+        .buttonStyle(.plain)
+        .keyboardShortcut(.escape, modifiers: [])
+    }
+    
+    // MARK: - Completion View
+    
+    private var completionView: some View {
+        VStack(spacing: 30) {
+            Image(systemName: "checkmark.circle.fill")
+                .font(.system(size: 80))
+                .foregroundStyle(.green)
+            
+            Text("Calibration Complete!")
+                .font(.largeTitle)
+                .foregroundStyle(.white)
+                .fontWeight(.bold)
+            
+            Text("Your eye tracking has been calibrated successfully.")
+                .font(.title3)
+                .foregroundStyle(.gray)
+            
+            Button("Done") {
+                onDismiss()
+            }
+            .buttonStyle(.borderedProminent)
+            .keyboardShortcut(.return, modifiers: [])
+            .padding(.top, 20)
+        }
+        .onAppear {
+            DispatchQueue.main.asyncAfter(deadline: .now() + 2.5) {
+                onDismiss()
+            }
+        }
+    }
+    
+    // MARK: - Helper Methods
+    
+    private func targetPosition(for step: CalibrationStep, screenSize: CGSize) -> CGPoint {
+        let width = screenSize.width
+        let height = screenSize.height
+        
+        let centerX = width / 2
+        let centerY = height / 2
+        let marginX: CGFloat = 150
+        let marginY: CGFloat = 120
+        
+        switch step {
+        case .center:
+            return CGPoint(x: centerX, y: centerY)
+        case .left:
+            return CGPoint(x: centerX - width / 4, y: centerY)
+        case .right:
+            return CGPoint(x: centerX + width / 4, y: centerY)
+        case .farLeft:
+            return CGPoint(x: marginX, y: centerY)
+        case .farRight:
+            return CGPoint(x: width - marginX, y: centerY)
+        case .up:
+            return CGPoint(x: centerX, y: marginY)
+        case .down:
+            return CGPoint(x: centerX, y: height - marginY)
+        case .topLeft:
+            return CGPoint(x: marginX, y: marginY)
+        case .topRight:
+            return CGPoint(x: width - marginX, y: marginY)
+        case .bottomLeft:
+            return CGPoint(x: marginX, y: height - marginY)
+        case .bottomRight:
+            return CGPoint(x: width - marginX, y: height - marginY)
+        }
+    }
+}
+
+// MARK: - ViewModel
+
+@MainActor
+class CalibrationOverlayViewModel: ObservableObject {
+    @Published var countdownValue = 1
+    @Published var isCountingDown = false
+    @Published var cameraStarted = false
+    @Published var showError: String?
+    @Published var calibrationStarted = false
+    @Published var stableFaceDetected = false  // Debounced face detection
+    
+    private var countdownTask: Task<Void, Never>?
+    private var faceDetectionCancellable: AnyCancellable?
+    private var lastFaceDetectedTime: Date = .distantPast
+    private let faceDetectionDebounce: TimeInterval = 0.5  // 500ms debounce
+    
+    func startCamera(eyeTrackingService: EyeTrackingService, calibrationManager: CalibrationManager) async {
+        do {
+            try await eyeTrackingService.startEyeTracking()
+            cameraStarted = true
+            
+            // Set up debounced face detection
+            setupFaceDetectionObserver(eyeTrackingService: eyeTrackingService)
+            
+            // Small delay to let camera stabilize
+            try? await Task.sleep(nanoseconds: 500_000_000)
+            
+            // Reset any previous calibration data before starting fresh
+            calibrationManager.resetForNewCalibration()
+            calibrationManager.startCalibration()
+            calibrationStarted = true
+            startStepCountdown(calibrationManager: calibrationManager)
+        } catch {
+            showError = "Failed to start camera: \(error.localizedDescription)"
+        }
+    }
+    
+    private func setupFaceDetectionObserver(eyeTrackingService: EyeTrackingService) {
+        faceDetectionCancellable = eyeTrackingService.$faceDetected
+            .receive(on: DispatchQueue.main)
+            .sink { [weak self] detected in
+                guard let self = self else { return }
+                
+                if detected {
+                    // Face detected - update immediately
+                    self.lastFaceDetectedTime = Date()
+                    self.stableFaceDetected = true
+                } else {
+                    // Face lost - only update after debounce period
+                    let timeSinceLastDetection = Date().timeIntervalSince(self.lastFaceDetectedTime)
+                    if timeSinceLastDetection > self.faceDetectionDebounce {
+                        self.stableFaceDetected = false
+                    }
+                }
+            }
+    }
+    
+    func cleanup(eyeTrackingService: EyeTrackingService, calibrationManager: CalibrationManager) {
+        countdownTask?.cancel()
+        countdownTask = nil
+        faceDetectionCancellable?.cancel()
+        faceDetectionCancellable = nil
+        isCountingDown = false
+        
+        if calibrationManager.isCalibrating {
+            calibrationManager.cancelCalibration()
+        }
+        
+        eyeTrackingService.stopEyeTracking()
+    }
+    
+    func skipCurrentStep(calibrationManager: CalibrationManager) {
+        countdownTask?.cancel()
+        countdownTask = nil
+        isCountingDown = false
+        calibrationManager.skipStep()
+    }
+    
+    func startStepCountdown(calibrationManager: CalibrationManager) {
+        countdownTask?.cancel()
+        countdownTask = nil
+        countdownValue = 1
+        isCountingDown = true
+        
+        countdownTask = Task { @MainActor in
+            // Just 1 second countdown
+            try? await Task.sleep(for: .seconds(1))
+            if Task.isCancelled { return }
+            
+            // Done counting, start collecting
+            isCountingDown = false
+            countdownValue = 0
+            calibrationManager.startCollectingSamples()
+        }
+    }
+}
+
+#Preview {
+    CalibrationOverlayView(onDismiss: {})
+}
+

Gaze/Views/Components/EyeTrackingCalibrationView.swift

@@ -11,21 +11,12 @@ struct EyeTrackingCalibrationView: View {
     @StateObject private var calibrationManager = CalibrationManager.shared
     @Environment(\.dismiss) private var dismiss
 
-    @State private var countdownValue = 3
-    @State private var isCountingDown = false
-
     var body: some View {
         ZStack {
-            // Full-screen black background
             Color.black.ignoresSafeArea()
-
-            if calibrationManager.isCalibrating {
-                calibrationContentView
-            } else {
             introductionScreenView
         }
-        }
-        .frame(minWidth: 800, minHeight: 600)
+        .frame(minWidth: 600, minHeight: 500)
     }
 
     // MARK: - Introduction Screen
@@ -77,7 +68,7 @@ struct EyeTrackingCalibrationView: View {
                 .keyboardShortcut(.escape, modifiers: [])
 
                 Button("Start Calibration") {
-                    startCalibration()
+                    startFullscreenCalibration()
                 }
                 .keyboardShortcut(.return, modifiers: [])
                 .buttonStyle(.borderedProminent)
@@ -88,168 +79,14 @@ struct EyeTrackingCalibrationView: View {
         .frame(maxWidth: 600)
     }
 
-    // MARK: - Calibration Content
+    // MARK: - Actions
 
-    private var calibrationContentView: some View {
-        ZStack {
-            // Progress indicator at top
-            VStack {
-                progressBar
-                Spacer()
-            }
+    private func startFullscreenCalibration() {
+        dismiss()
         
-            // Calibration target
-            if let step = calibrationManager.currentStep {
-                calibrationTarget(for: step)
-            }
-
-            // Skip button at bottom
-            VStack {
-                Spacer()
-                skipButton
-            }
-        }
-    }
-
-    // MARK: - Progress Bar
-
-    private var progressBar: some View {
-        VStack(spacing: 10) {
-            HStack {
-                Text("Calibrating...")
-                    .foregroundStyle(.white)
-                Spacer()
-                Text(calibrationManager.progressText)
-                    .foregroundStyle(.white.opacity(0.7))
-            }
-
-            ProgressView(value: calibrationManager.progress)
-                .progressViewStyle(.linear)
-                .tint(.blue)
-        }
-        .padding()
-        .background(Color.black.opacity(0.5))
-    }
-
-    // MARK: - Calibration Target
-
-    @ViewBuilder
-    private func calibrationTarget(for step: CalibrationStep) -> some View {
-        let position = targetPosition(for: step)
-
-        VStack(spacing: 20) {
-            // Target circle with countdown
-            ZStack {
-                // Outer ring (pulsing)
-                Circle()
-                    .stroke(Color.blue.opacity(0.3), lineWidth: 3)
-                    .frame(width: 100, height: 100)
-                    .scaleEffect(isCountingDown ? 1.2 : 1.0)
-                    .animation(
-                        .easeInOut(duration: 0.6).repeatForever(autoreverses: true),
-                        value: isCountingDown)
-
-                // Inner circle
-                Circle()
-                    .fill(Color.blue)
-                    .frame(width: 60, height: 60)
-
-                // Countdown number or checkmark
-                if isCountingDown && countdownValue > 0 {
-                    Text("\(countdownValue)")
-                        .font(.system(size: 36, weight: .bold))
-                        .foregroundStyle(.white)
-                } else if calibrationManager.samplesCollected > 0 {
-                    Image(systemName: "checkmark")
-                        .font(.system(size: 30, weight: .bold))
-                        .foregroundStyle(.white)
-                }
-            }
-
-            // Instruction text
-            Text(step.instructionText)
-                .font(.title2)
-                .foregroundStyle(.white)
-                .padding(.horizontal, 40)
-                .padding(.vertical, 15)
-                .background(Color.black.opacity(0.7))
-                .cornerRadius(10)
-        }
-        .position(position)
-        .onAppear {
-            startStepCountdown()
-        }
-    }
-
-    // MARK: - Skip Button
-
-    private var skipButton: some View {
-        Button {
-            calibrationManager.skipStep()
-        } label: {
-            Text("Skip this position")
-                .foregroundStyle(.white)
-                .padding(.horizontal, 20)
-                .padding(.vertical, 10)
-                .background(Color.white.opacity(0.2))
-                .cornerRadius(8)
-        }
-        .padding(.bottom, 40)
-    }
-
-    // MARK: - Helper Methods
-
-    private func startCalibration() {
-        calibrationManager.startCalibration()
-    }
-
-    private func startStepCountdown() {
-        countdownValue = 3
-        isCountingDown = true
-
-        // Countdown 3, 2, 1
-        Timer.scheduledTimer(withTimeInterval: 1.0, repeats: true) { timer in
-            if countdownValue > 0 {
-                countdownValue -= 1
-            } else {
-                timer.invalidate()
-                isCountingDown = false
-            }
-        }
-    }
-
-    private func targetPosition(for step: CalibrationStep) -> CGPoint {
-        let screenBounds = NSScreen.main?.frame ?? CGRect(x: 0, y: 0, width: 1920, height: 1080)
-        let width = screenBounds.width
-        let height = screenBounds.height
-
-        let centerX = width / 2
-        let centerY = height / 2
-        let margin: CGFloat = 150
-
-        switch step {
-        case .center:
-            return CGPoint(x: centerX, y: centerY)
-        case .left:
-            return CGPoint(x: centerX - width / 4, y: centerY)
-        case .right:
-            return CGPoint(x: centerX + width / 4, y: centerY)
-        case .farLeft:
-            return CGPoint(x: margin, y: centerY)
-        case .farRight:
-            return CGPoint(x: width - margin, y: centerY)
-        case .up:
-            return CGPoint(x: centerX, y: margin)
-        case .down:
-            return CGPoint(x: centerX, y: height - margin)
-        case .topLeft:
-            return CGPoint(x: margin, y: margin)
-        case .topRight:
-            return CGPoint(x: width - margin, y: margin)
-        case .bottomLeft:
-            return CGPoint(x: margin, y: height - margin)
-        case .bottomRight:
-            return CGPoint(x: width - margin, y: height - margin)
+        // Small delay to allow sheet dismissal animation
+        DispatchQueue.main.asyncAfter(deadline: .now() + 0.3) {
+            CalibrationWindowManager.shared.showCalibrationOverlay()
         }
     }
 }

Gaze/Views/Containers/SettingsWindowView.swift

@@ -50,7 +50,7 @@ final class SettingsWindowPresenter {
 
     private func createWindow(settingsManager: SettingsManager, initialTab: Int) {
         let window = NSWindow(
-            contentRect: NSRect(x: 0, y: 0, width: 700, height: 700),
+            contentRect: NSRect(x: 0, y: 0, width: 1000, height: 900),
             styleMask: [.titled, .closable, .miniaturizable, .resizable, .fullSizeContentView],
             backing: .buffered,
             defer: false
@@ -85,7 +85,8 @@ final class SettingsWindowPresenter {
             Task { @MainActor [weak self] in
                 self?.windowController = nil
                 self?.removeCloseObserver()
-                NotificationCenter.default.post(name: Notification.Name("SettingsWindowDidClose"), object: nil)
+                NotificationCenter.default.post(
+                    name: Notification.Name("SettingsWindowDidClose"), object: nil)
             }
         }
     }
@@ -125,9 +126,13 @@ struct SettingsWindowView: View {
                         detailView(for: selectedSection)
                     }
                 }
-                .onReceive(NotificationCenter.default.publisher(for: Notification.Name("SwitchToSettingsTab"))) { notification in
+                .onReceive(
+                    NotificationCenter.default.publisher(
+                        for: Notification.Name("SwitchToSettingsTab"))
+                ) { notification in
                     if let tab = notification.object as? Int,
-                       let section = SettingsSection(rawValue: tab) {
+                        let section = SettingsSection(rawValue: tab)
+                    {
                         selectedSection = section
                     }
                 }

Gaze/Views/MenuBar/MenuBarContentView.swift

@@ -27,30 +27,12 @@ struct MenuBarContentWrapper: View {
     }
 }
 
-// Hover button style for menubar items
-struct MenuBarButtonStyle: ButtonStyle {
-    func makeBody(configuration: Configuration) -> some View {
-        configuration.label
-            .background(
-                RoundedRectangle(cornerRadius: 6)
-                    .fill(
-                        configuration.isPressed
-                            ? Color.accentColor.opacity(0.2) : Color.gray.opacity(0.1)
-                    )
-                    .opacity(configuration.isPressed ? 1 : 0)
-            )
-            .contentShape(Rectangle())
-            .animation(.easeInOut(duration: 0.1), value: configuration.isPressed)
-    }
-}
-
 struct MenuBarHoverButtonStyle: ButtonStyle {
     @Environment(\.colorScheme) private var colorScheme
     @State private var isHovered = false
 
     func makeBody(configuration: Configuration) -> some View {
         configuration.label
-            .foregroundStyle(isHovered ? .white : .primary)
             .glassEffectIfAvailable(
                 isHovered
                     ? GlassStyle.regular.tint(.accentColor).interactive()
@@ -64,7 +46,6 @@ struct MenuBarHoverButtonStyle: ButtonStyle {
             }
             .scaleEffect(configuration.isPressed ? 0.98 : 1.0)
             .animation(.easeInOut(duration: 0.1), value: isHovered)
-            .animation(.easeInOut(duration: 0.05), value: configuration.isPressed)
     }
 }
 

Gaze/Views/Setup/EnforceModeSetupView.swift

@@ -73,29 +73,17 @@ struct EnforceModeSetupView: View {
 
                     if enforceModeService.isEnforceModeEnabled {
                         testModeButton
-                        calibrationSection
                     }
-
                     if isTestModeActive && enforceModeService.isCameraActive {
                         testModePreviewView
                         trackingConstantsView
-                    } else {
-                        if enforceModeService.isCameraActive && !isTestModeActive {
-                            trackingConstantsView
+                    } else if enforceModeService.isCameraActive && !isTestModeActive {
                         eyeTrackingStatusView
-                            #if DEBUG
-                                if showDebugView {
-                                    debugEyeTrackingView
+                        trackingConstantsView
                     }
-                            #endif
-                        } else if enforceModeService.isEnforceModeEnabled {
-                            cameraPendingView
-                        }
-
                     privacyInfoView
                 }
             }
-            }
 
             Spacer()
         }
@@ -333,26 +321,6 @@ struct EnforceModeSetupView: View {
         .glassEffectIfAvailable(GlassStyle.regular, in: .rect(cornerRadius: 12))
     }
 
-    private var cameraPendingView: some View {
-        HStack {
-            Image(systemName: "timer")
-                .font(.title2)
-                .foregroundStyle(.orange)
-
-            VStack(alignment: .leading, spacing: 4) {
-                Text("Camera Ready")
-                    .font(.headline)
-                Text("Will activate 3 seconds before lookaway reminder")
-                    .font(.caption)
-                    .foregroundStyle(.secondary)
-            }
-
-            Spacer()
-        }
-        .padding()
-        .glassEffectIfAvailable(GlassStyle.regular, in: .rect(cornerRadius: 12))
-    }
-
     private func statusIndicator(title: String, isActive: Bool, icon: String) -> some View {
         VStack(spacing: 8) {
             Image(systemName: icon)

GazeTests/VideoGazeTests.swift

@@ -18,7 +18,7 @@ final class VideoGazeTests: XCTestCase {
         logLines.append(message)
     }
     
-    /// Process the outer video and log gaze detection results
+    /// Process the outer video (looking away from screen) - should detect "looking away"
     func testOuterVideoGazeDetection() async throws {
         logLines = []
         
@@ -27,10 +27,19 @@ final class VideoGazeTests: XCTestCase {
             XCTFail("Video file not found at: \(projectPath)")
             return
         }
-        try await processVideo(at: URL(fileURLWithPath: projectPath))
+        let stats = try await processVideo(at: URL(fileURLWithPath: projectPath), expectLookingAway: true)
+        
+        // For outer video, most frames should detect gaze outside center
+        let nonCenterRatio = Double(stats.nonCenterFrames) / Double(max(1, stats.pupilDetectedFrames))
+        log("🎯 OUTER video: \(String(format: "%.1f%%", nonCenterRatio * 100)) frames detected as non-center (expected: >50%)")
+        log("   H-range: \(String(format: "%.3f", stats.minH)) to \(String(format: "%.3f", stats.maxH))")
+        log("   V-range: \(String(format: "%.3f", stats.minV)) to \(String(format: "%.3f", stats.maxV))")
+        
+        // At least 50% should be detected as non-center when looking away
+        XCTAssertGreaterThan(nonCenterRatio, 0.5, "Looking away video should have >50% non-center detections. Log:\n\(logLines.joined(separator: "\n"))")
     }
     
-    /// Process the inner video and log gaze detection results
+    /// Process the inner video (looking at screen) - should detect "looking at screen"
     func testInnerVideoGazeDetection() async throws {
         logLines = []
         
@@ -39,12 +48,36 @@ final class VideoGazeTests: XCTestCase {
             XCTFail("Video file not found at: \(projectPath)")
             return
         }
-        try await processVideo(at: URL(fileURLWithPath: projectPath))
+        let stats = try await processVideo(at: URL(fileURLWithPath: projectPath), expectLookingAway: false)
+        
+        // For inner video, most frames should detect gaze at center
+        let centerRatio = Double(stats.centerFrames) / Double(max(1, stats.pupilDetectedFrames))
+        log("🎯 INNER video: \(String(format: "%.1f%%", centerRatio * 100)) frames detected as center (expected: >50%)")
+        log("   H-range: \(String(format: "%.3f", stats.minH)) to \(String(format: "%.3f", stats.maxH))")
+        log("   V-range: \(String(format: "%.3f", stats.minV)) to \(String(format: "%.3f", stats.maxV))")
+        
+        // At least 50% should be detected as center when looking at screen
+        XCTAssertGreaterThan(centerRatio, 0.5, "Looking at screen video should have >50% center detections. Log:\n\(logLines.joined(separator: "\n"))")
     }
     
-    private func processVideo(at url: URL) async throws {
+    struct VideoStats {
+        var totalFrames = 0
+        var faceDetectedFrames = 0
+        var pupilDetectedFrames = 0
+        var centerFrames = 0
+        var nonCenterFrames = 0
+        var minH = Double.greatestFiniteMagnitude
+        var maxH = -Double.greatestFiniteMagnitude
+        var minV = Double.greatestFiniteMagnitude
+        var maxV = -Double.greatestFiniteMagnitude
+    }
+    
+    private func processVideo(at url: URL, expectLookingAway: Bool) async throws -> VideoStats {
+        var stats = VideoStats()
+        
         log("\n" + String(repeating: "=", count: 60))
         log("Processing video: \(url.lastPathComponent)")
+        log("Expected behavior: \(expectLookingAway ? "LOOKING AWAY (non-center)" : "LOOKING AT SCREEN (center)")")
         log(String(repeating: "=", count: 60))
         
         let asset = AVURLAsset(url: url)
@@ -54,7 +87,7 @@ final class VideoGazeTests: XCTestCase {
         
         guard let track = try await asset.loadTracks(withMediaType: .video).first else {
             XCTFail("No video track found")
-            return
+            return stats
         }
         
         let size = try await track.load(.naturalSize)
@@ -83,10 +116,6 @@ final class VideoGazeTests: XCTestCase {
         PupilDetector.frameSkipCount = 1
         defer { PupilDetector.frameSkipCount = originalFrameSkip }
         
-        var totalFrames = 0
-        var faceDetectedFrames = 0
-        var pupilDetectedFrames = 0
-        
         while let sampleBuffer = trackOutput.copyNextSampleBuffer() {
             defer { 
                 frameIndex += 1 
@@ -98,7 +127,7 @@ final class VideoGazeTests: XCTestCase {
                 continue
             }
             
-            totalFrames += 1
+            stats.totalFrames += 1
             
             guard let pixelBuffer = CMSampleBufferGetImageBuffer(sampleBuffer) else {
                 continue
@@ -128,7 +157,7 @@ final class VideoGazeTests: XCTestCase {
                 continue
             }
             
-            faceDetectedFrames += 1
+            stats.faceDetectedFrames += 1
             
             let imageSize = CGSize(
                 width: CVPixelBufferGetWidth(pixelBuffer),
@@ -165,10 +194,22 @@ final class VideoGazeTests: XCTestCase {
             
             if let lh = leftHRatio, let rh = rightHRatio,
                let lv = leftVRatio, let rv = rightVRatio {
-                pupilDetectedFrames += 1
+                stats.pupilDetectedFrames += 1
                 let avgH = (lh + rh) / 2.0
                 let avgV = (lv + rv) / 2.0
+                
+                // Track min/max ranges
+                stats.minH = min(stats.minH, avgH)
+                stats.maxH = max(stats.maxH, avgH)
+                stats.minV = min(stats.minV, avgV)
+                stats.maxV = max(stats.maxV, avgV)
+                
                 let direction = GazeDirection.from(horizontal: avgH, vertical: avgV)
+                if direction == .center {
+                    stats.centerFrames += 1
+                } else {
+                    stats.nonCenterFrames += 1
+                }
                 log(String(format: "%5d | %5.1fs | YES  | %.2f / %.2f    | %.2f / %.2f    | %@ %@", 
                       frameIndex, timeSeconds, lh, rh, lv, rv, direction.rawValue, String(describing: direction)))
             } else {
@@ -177,8 +218,11 @@ final class VideoGazeTests: XCTestCase {
         }
         
         log(String(repeating: "=", count: 75))
-        log("Summary: \(totalFrames) frames sampled, \(faceDetectedFrames) with face, \(pupilDetectedFrames) with pupils")
+        log("Summary: \(stats.totalFrames) frames sampled, \(stats.faceDetectedFrames) with face, \(stats.pupilDetectedFrames) with pupils")
+        log("Center frames: \(stats.centerFrames), Non-center: \(stats.nonCenterFrames)")
         log("Processing complete\n")
+        
+        return stats
     }
     
     private func calculateHorizontalRatio(pupilPosition: PupilPosition, eyeRegion: EyeRegion) -> Double {