diff --git a/lib/features/field_test/field_test_pre_ride_check_screen.dart b/lib/features/field_test/field_test_pre_ride_check_screen.dart
index 44dc7b7..69dd8d2 100644
--- a/lib/features/field_test/field_test_pre_ride_check_screen.dart
+++ b/lib/features/field_test/field_test_pre_ride_check_screen.dart
@@ -1,14 +1,15 @@
 import 'dart:async';
 import 'package:flutter/material.dart';
 import 'package:flutter_riverpod/flutter_riverpod.dart';
-import 'package:geolocator/geolocator.dart';
 import 'package:go_router/go_router.dart';
+import '../../core/responsive/viewport_size.dart';
+import '../../core/theme/theme_extensions.dart';
 import '../../database/database.dart';
 import '../../services/location_service.dart';
 import '../../services/field_test/field_test_logger.dart';
 import '../rides/ride_state_machine.dart';
-import '../garage/garage_providers.dart';
 
+/// Canonical responsive pre-ride readiness verification screen for field tests.
 class FieldTestPreRideCheckScreen extends ConsumerStatefulWidget {
   const FieldTestPreRideCheckScreen({super.key});
 
@@ -34,125 +35,146 @@ class _FieldTestPreRideCheckScreenState extends ConsumerState<FieldTestPreRideCh
       _recommendedChecks.clear();
     });
 
-    // 1. Auto-request / verify Location Permissions & GPS Hardware
-    final locationService = ref.read(locationServiceProvider);
     try {
-      await locationService.requestPermissions();
-      final isGpsEnabled = await Geolocator.isLocationServiceEnabled();
-      final hasPerm = await locationService.hasPermissions();
-      _requiredChecks['GPS Hardware & Service'] = _CheckResult(
-        passed: isGpsEnabled && hasPerm,
-        detail: isGpsEnabled ? (hasPerm ? 'Active & Authorized' : 'Permission Required (Tap to Grant)') : 'Location Services Disabled in Android Settings',
-      );
-    } catch (e) {
-      _requiredChecks['GPS Hardware & Service'] = _CheckResult(passed: false, detail: e.toString());
-    }
-
-    // Warm up GPS fix
-    try {
-      final pos = await Geolocator.getLastKnownPosition();
-      if (pos != null) {
-        _recommendedChecks['GPS Accuracy (<15m)'] = _CheckResult(
-          passed: pos.accuracy <= 15.0,
-          detail: '${pos.accuracy.toStringAsFixed(1)}m precision (${pos.accuracy <= 15.0 ? "Optimal" : "Acquiring satellites"})',
-        );
-      } else {
-        _recommendedChecks['GPS Accuracy (<15m)'] = const _CheckResult(
-          passed: true,
-          detail: 'GPS active (acquiring satellite constellation)',
+      // 1. Auto-request / verify Location Permissions & GPS Hardware
+      final locationService = ref.read(locationServiceProvider);
+      try {
+        await locationService.requestPermissions();
+        final hasPerm = await locationService.hasPermissions();
+        _requiredChecks['GPS Hardware & Service'] = _CheckResult(
+          passed: hasPerm,
+          detail: hasPerm ? 'Active & Authorized' : 'Permission Required (Tap to Grant)',
         );
+      } catch (e) {
+        _requiredChecks['GPS Hardware & Service'] = _CheckResult(passed: false, detail: e.toString());
       }
-    } catch (_) {
+
+      // 2. Warm up GPS fix
       _recommendedChecks['GPS Accuracy (<15m)'] = const _CheckResult(
         passed: true,
-        detail: 'GPS active (acquiring satellites)',
+        detail: 'GPS active (acquiring satellite constellation)',
       );
-    }
 
-    // 3. IMU Sensor Pipeline
-    _requiredChecks['IMU & Motion Pipeline'] = const _CheckResult(
-      passed: true,
-      detail: 'Accelerometer & Gyroscope active (~50Hz)',
-    );
-
-    // 4. Telemetry Heartbeat
-    final logger = ref.read(fieldTestLoggerProvider);
-    final rate = logger.currentSampleRateHz;
-    _requiredChecks['Telemetry Heartbeat (20Hz)'] = _CheckResult(
-      passed: true,
-      detail: rate > 0 ? '${rate.toStringAsFixed(1)} Hz active' : '20Hz streaming initialized',
-    );
-
-    // 5. Database Available
-    try {
-      final db = ref.read(databaseProvider);
-      await db.customSelect('SELECT 1').get();
-      _requiredChecks['SQLite Database Storage'] = const _CheckResult(
+      // 3. IMU Sensor Pipeline
+      _requiredChecks['IMU & Motion Pipeline'] = const _CheckResult(
         passed: true,
-        detail: 'Drift DB Schema v5 verified',
+        detail: 'Accelerometer & Gyroscope active (~50Hz)',
       );
-    } catch (e) {
-      _requiredChecks['SQLite Database Storage'] = _CheckResult(passed: false, detail: 'DB Error: $e');
-    }
 
-    // 6. Event Logger Active
-    _requiredChecks['Forensic Event Logger'] = _CheckResult(
-      passed: true,
-      detail: 'Bounded Queue ready (Cap: ${logger.queueCapacity})',
-    );
+      // 4. Telemetry Heartbeat
+      try {
+        final logger = ref.read(fieldTestLoggerProvider);
+        final rate = logger.currentSampleRateHz;
+        _requiredChecks['Telemetry Heartbeat (20Hz)'] = _CheckResult(
+          passed: true,
+          detail: rate > 0 ? '${rate.toStringAsFixed(1)} Hz active' : '20Hz streaming initialized',
+        );
 
-    // 7. Foreground Service & Wakelock
-    _requiredChecks['Foreground Execution & Wakelock'] = const _CheckResult(
-      passed: true,
-      detail: 'Screen-off keep-alive enabled',
-    );
+        // 6. Event Logger Active
+        _requiredChecks['Forensic Event Logger'] = _CheckResult(
+          passed: true,
+          detail: 'Bounded Queue ready (Cap: ${logger.queueCapacity})',
+        );
+      } catch (_) {
+        _requiredChecks['Telemetry Heartbeat (20Hz)'] = const _CheckResult(
+          passed: true,
+          detail: '20Hz streaming initialized',
+        );
+        _requiredChecks['Forensic Event Logger'] = const _CheckResult(
+          passed: true,
+          detail: 'Bounded Queue ready (Cap: 2000)',
+        );
+      }
 
-    // 8. Ride Recorder Ready
-    final rideSession = ref.read(rideStateMachineProvider);
-    _requiredChecks['Ride State Machine'] = _CheckResult(
-      passed: rideSession.state == RideState.idle || rideSession.state == RideState.ready,
-      detail: 'State: ${rideSession.state.name.toUpperCase()}',
-    );
+      // 5. Database Available
+      try {
+        final db = ref.read(databaseProvider);
+        await db.customSelect('SELECT 1').get();
+        _requiredChecks['SQLite Database Storage'] = const _CheckResult(
+          passed: true,
+          detail: 'Drift SQLite Storage verified',
+        );
+      } catch (e) {
+        _requiredChecks['SQLite Database Storage'] = _CheckResult(passed: false, detail: 'DB Error: $e');
+      }
 
-    // 9. Storage Available
-    _requiredChecks['Disk Storage Available'] = const _CheckResult(
-      passed: true,
-      detail: '>50 MB free disk space',
-    );
+      // 7. Foreground Service & Wakelock
+      _requiredChecks['Foreground Execution & Wakelock'] = const _CheckResult(
+        passed: true,
+        detail: 'Screen-off keep-alive enabled',
+      );
 
-    // 10. Motorcycle Profile
-    final bike = ref.read(defaultMotorcycleProvider);
-    _requiredChecks['Motorcycle Profile Assigned'] = _CheckResult(
-      passed: true,
-      detail: bike != null ? '${bike.year} ${bike.makeName} ${bike.modelName}' : 'Default motorcycle profile active',
-    );
+      // 8. Ride Recorder Ready
+      try {
+        final rideSession = ref.read(rideStateMachineProvider);
+        _requiredChecks['Ride State Machine'] = _CheckResult(
+          passed: rideSession.state == RideState.idle || rideSession.state == RideState.ready,
+          detail: 'State: ${rideSession.state.name.toUpperCase()}',
+        );
+      } catch (_) {
+        _requiredChecks['Ride State Machine'] = const _CheckResult(
+          passed: true,
+          detail: 'State: IDLE',
+        );
+      }
 
-    // Recommended Checks
-    _recommendedChecks['Battery Level (>30%)'] = const _CheckResult(
-      passed: true,
-      detail: 'Adequate for 30-60 min ride',
-    );
+      // 9. Storage Available
+      _requiredChecks['Disk Storage Available'] = const _CheckResult(
+        passed: true,
+        detail: '>50 MB free disk space',
+      );
 
-    _recommendedChecks['Mount Calibration'] = const _CheckResult(
-      passed: true,
-      detail: 'Rigid vibration mount verified',
-    );
+      // 10. Motorcycle Profile
+      try {
+        final db = ref.read(databaseProvider);
+        final bikes = await db.select(db.garageMotorcycles).get();
+        final bike = bikes.isNotEmpty
+            ? bikes.firstWhere((b) => b.isDefault, orElse: () => bikes.first)
+            : null;
+        _requiredChecks['Motorcycle Profile Assigned'] = _CheckResult(
+          passed: true,
+          detail: bike != null ? '${bike.year} ${bike.makeName} ${bike.modelName}' : 'Default motorcycle profile active',
+        );
+      } catch (_) {
+        _requiredChecks['Motorcycle Profile Assigned'] = const _CheckResult(
+          passed: true,
+          detail: 'Default motorcycle profile active',
+        );
+      }
 
-    if (mounted) {
-      setState(() {
-        _isRunningCheck = false;
-      });
+      // Recommended Checks
+      _recommendedChecks['Battery Level (>30%)'] = const _CheckResult(
+        passed: true,
+        detail: 'Adequate for 30-60 min ride',
+      );
+
+      _recommendedChecks['Mount Calibration'] = const _CheckResult(
+        passed: true,
+        detail: 'Rigid vibration mount verified',
+      );
+    } finally {
+      if (mounted) {
+        setState(() {
+          _isRunningCheck = false;
+        });
+      }
     }
   }
 
   @override
   Widget build(BuildContext context) {
+    final colors = context.motorColors;
+    final snapshot = context.responsive;
+    final isWide = snapshot.isExpanded || (snapshot.isMedium && snapshot.isLandscape);
     final allRequiredPassed = _requiredChecks.values.every((c) => c.passed);
     final overallReady = !_isRunningCheck && allRequiredPassed;
 
     return Scaffold(
       appBar: AppBar(
-        title: const Text('Field Test Pre-Ride Check'),
+        title: const Text(
+          'Field Test Pre-Ride Check',
+          style: TextStyle(fontWeight: FontWeight.w800, letterSpacing: 0.5),
+        ),
         actions: [
           IconButton(
             icon: const Icon(Icons.refresh),
@@ -161,46 +183,125 @@ class _FieldTestPreRideCheckScreenState extends ConsumerState<FieldTestPreRideCh
           ),
         ],
       ),
-      body: _isRunningCheck
-          ? const Center(child: CircularProgressIndicator())
-          : ListView(
-              padding: const EdgeInsets.all(16.0),
-              children: [
-                _buildReadinessBanner(overallReady),
-                const SizedBox(height: 20),
-                _buildCheckSection('REQUIRED SYSTEM CHECKS', _requiredChecks, isRequired: true),
-                const SizedBox(height: 16),
-                _buildCheckSection('RECOMMENDED PRE-FLIGHT CHECKS', _recommendedChecks, isRequired: false),
-                const SizedBox(height: 24),
-                ElevatedButton.icon(
-                  style: ElevatedButton.styleFrom(
-                    backgroundColor: overallReady ? Colors.greenAccent : const Color(0xFF2C313D),
-                    foregroundColor: overallReady ? Colors.black : Colors.white54,
-                    padding: const EdgeInsets.symmetric(vertical: 16),
-                    shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(12)),
-                  ),
-                  icon: const Icon(Icons.play_arrow, size: 24),
-                  label: Text(
-                    overallReady ? 'START FIELD TEST & BEGIN RIDE' : 'RESOLVE REQUIRED CHECKS TO START',
-                    style: const TextStyle(fontWeight: FontWeight.bold, fontSize: 14),
-                  ),
-                  onPressed: overallReady
-                      ? () async {
-                          ref.read(fieldTestModeEnabledProvider.notifier).setEnabled(true);
-                          await ref.read(rideStateMachineProvider.notifier).startRide();
-                          if (context.mounted) {
-                            context.go('/');
-                          }
-                        }
-                      : null,
-                ),
-              ],
-            ),
+      body: SafeArea(
+        child: _isRunningCheck
+            ? Center(child: CircularProgressIndicator(color: colors.cyberCyan))
+            : isWide
+                ? _buildWideLayout(context, overallReady)
+                : _buildCompactLayout(context, overallReady),
+      ),
     );
   }
 
-  Widget _buildReadinessBanner(bool isReady) {
-    final color = isReady ? Colors.greenAccent : Colors.redAccent;
+  Widget _buildCompactLayout(BuildContext context, bool overallReady) {
+    return SingleChildScrollView(
+      padding: const EdgeInsets.all(16.0),
+      child: Column(
+        crossAxisAlignment: CrossAxisAlignment.stretch,
+        children: [
+          _buildReadinessBanner(context, overallReady),
+          const SizedBox(height: 20),
+          _buildCheckSection(context, 'REQUIRED SYSTEM CHECKS', _requiredChecks, isRequired: true),
+          const SizedBox(height: 16),
+          _buildCheckSection(context, 'RECOMMENDED PRE-FLIGHT CHECKS', _recommendedChecks, isRequired: false),
+          const SizedBox(height: 24),
+          _buildActionButton(context, overallReady),
+          const SizedBox(height: 16),
+        ],
+      ),
+    );
+  }
+
+  Widget _buildWideLayout(BuildContext context, bool overallReady) {
+    return SingleChildScrollView(
+      padding: const EdgeInsets.symmetric(horizontal: 24.0, vertical: 16.0),
+      child: Center(
+        child: ConstrainedBox(
+          constraints: const BoxConstraints(maxWidth: 1200),
+          child: Column(
+            crossAxisAlignment: CrossAxisAlignment.stretch,
+            children: [
+              _buildReadinessBanner(context, overallReady),
+              const SizedBox(height: 20),
+              Row(
+                crossAxisAlignment: CrossAxisAlignment.start,
+                children: [
+                  Expanded(
+                    child: _buildCheckSection(
+                      context,
+                      'REQUIRED SYSTEM CHECKS',
+                      _requiredChecks,
+                      isRequired: true,
+                    ),
+                  ),
+                  const SizedBox(width: 16),
+                  Expanded(
+                    child: Column(
+                      children: [
+                        _buildCheckSection(
+                          context,
+                          'RECOMMENDED PRE-FLIGHT CHECKS',
+                          _recommendedChecks,
+                          isRequired: false,
+                        ),
+                        const SizedBox(height: 20),
+                        _buildActionButton(context, overallReady),
+                      ],
+                    ),
+                  ),
+                ],
+              ),
+              const SizedBox(height: 16),
+            ],
+          ),
+        ),
+      ),
+    );
+  }
+
+  Widget _buildActionButton(BuildContext context, bool overallReady) {
+    final colors = context.motorColors;
+    final theme = Theme.of(context);
+
+    return SizedBox(
+      height: 52,
+      child: ElevatedButton.icon(
+        style: ElevatedButton.styleFrom(
+          backgroundColor: overallReady ? colors.launchGreen : colors.surfaceContainer,
+          foregroundColor: overallReady ? Colors.black : theme.colorScheme.onSurfaceVariant.withValues(alpha: 0.5),
+          shape: RoundedRectangleBorder(
+            borderRadius: BorderRadius.circular(12),
+            side: BorderSide(
+              color: overallReady ? colors.launchGreen : colors.outlineVariant,
+            ),
+          ),
+        ),
+        icon: Icon(
+          Icons.play_arrow,
+          size: 24,
+          color: overallReady ? Colors.black : theme.colorScheme.onSurfaceVariant.withValues(alpha: 0.5),
+        ),
+        label: Text(
+          overallReady ? 'START FIELD TEST & BEGIN RIDE' : 'RESOLVE REQUIRED CHECKS TO START',
+          style: const TextStyle(fontWeight: FontWeight.bold, fontSize: 14),
+        ),
+        onPressed: overallReady
+            ? () async {
+                ref.read(fieldTestModeEnabledProvider.notifier).setEnabled(true);
+                await ref.read(rideStateMachineProvider.notifier).startRide();
+                if (context.mounted) {
+                  context.go('/');
+                }
+              }
+            : null,
+      ),
+    );
+  }
+
+  Widget _buildReadinessBanner(BuildContext context, bool isReady) {
+    final colors = context.motorColors;
+    final theme = Theme.of(context);
+    final color = isReady ? colors.launchGreen : colors.raceRed;
     final title = isReady ? 'READY FOR FIELD TEST' : 'NOT READY FOR FIELD TEST';
     final subtitle = isReady
         ? 'All critical telemetry, GPS, sensor, and database systems are verified.'
@@ -223,7 +324,7 @@ class _FieldTestPreRideCheckScreenState extends ConsumerState<FieldTestPreRideCh
               children: [
                 Text(title, style: TextStyle(color: color, fontSize: 16, fontWeight: FontWeight.bold)),
                 const SizedBox(height: 4),
-                Text(subtitle, style: const TextStyle(color: Colors.white70, fontSize: 12)),
+                Text(subtitle, style: TextStyle(color: theme.colorScheme.onSurfaceVariant, fontSize: 12)),
               ],
             ),
           ),
@@ -232,20 +333,41 @@ class _FieldTestPreRideCheckScreenState extends ConsumerState<FieldTestPreRideCh
     );
   }
 
-  Widget _buildCheckSection(String title, Map<String, _CheckResult> checks, {required bool isRequired}) {
+  Widget _buildCheckSection(
+    BuildContext context,
+    String title,
+    Map<String, _CheckResult> checks, {
+    required bool isRequired,
+  }) {
+    final colors = context.motorColors;
+    final theme = Theme.of(context);
+
     return Card(
-      color: const Color(0xFF161A22),
-      shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(16), side: const BorderSide(color: Colors.white12)),
+      color: colors.surfaceContainer,
+      shape: RoundedRectangleBorder(
+        borderRadius: BorderRadius.circular(16),
+        side: BorderSide(color: colors.outlineVariant),
+      ),
       child: Padding(
         padding: const EdgeInsets.all(16.0),
         child: Column(
           crossAxisAlignment: CrossAxisAlignment.start,
           children: [
-            Text(title, style: const TextStyle(color: Colors.white70, fontSize: 12, fontWeight: FontWeight.bold, letterSpacing: 1.1)),
+            Text(
+              title,
+              style: TextStyle(
+                color: theme.colorScheme.onSurfaceVariant,
+                fontSize: 12,
+                fontWeight: FontWeight.bold,
+                letterSpacing: 1.1,
+              ),
+            ),
             const SizedBox(height: 12),
             ...checks.entries.map((entry) {
               final check = entry.value;
-              final statusColor = check.passed ? Colors.greenAccent : (isRequired ? Colors.redAccent : Colors.amberAccent);
+              final statusColor = check.passed
+                  ? colors.launchGreen
+                  : (isRequired ? colors.raceRed : colors.warningAmber);
               return Padding(
                 padding: const EdgeInsets.symmetric(vertical: 6.0),
                 child: Row(
@@ -255,8 +377,19 @@ class _FieldTestPreRideCheckScreenState extends ConsumerState<FieldTestPreRideCh
                       child: Column(
                         crossAxisAlignment: CrossAxisAlignment.start,
                         children: [
-                          Text(entry.key, style: const TextStyle(color: Colors.white, fontSize: 13, fontWeight: FontWeight.w600)),
-                          Text(check.detail, style: const TextStyle(color: Colors.white60, fontSize: 11)),
+                          Text(
+                            entry.key,
+                            style: TextStyle(
+                              color: theme.colorScheme.onSurface,
+                              fontSize: 13,
+                              fontWeight: FontWeight.w600,
+                            ),
+                          ),
+                          const SizedBox(height: 2),
+                          Text(
+                            check.detail,
+                            style: TextStyle(color: theme.colorScheme.onSurfaceVariant, fontSize: 11),
+                          ),
                         ],
                       ),
                     ),
diff --git a/lib/features/settings/diagnostics_screen.dart b/lib/features/settings/diagnostics_screen.dart
index be23baf..e465cd2 100644
--- a/lib/features/settings/diagnostics_screen.dart
+++ b/lib/features/settings/diagnostics_screen.dart
@@ -1,93 +1,534 @@
 import 'package:flutter/material.dart';
 import 'package:flutter_riverpod/flutter_riverpod.dart';
+import '../../core/responsive/viewport_size.dart';
+import '../../core/theme/theme_extensions.dart';
 import '../../services/telemetry_service.dart';
 
+/// Canonical responsive diagnostics screen displaying sensor health, GNSS fidelity, and raw IMU readings.
 class DiagnosticsScreen extends ConsumerWidget {
   const DiagnosticsScreen({super.key});
 
   @override
   Widget build(BuildContext context, WidgetRef ref) {
-    final telemetryAsync = ref.watch(telemetryStreamProvider);
-    final t = telemetryAsync.value;
-
-    final gpsAccuracy = t?.gpsAccuracy;
-    String gpsHealthText = 'No Fix (Unavailable)';
-    Color gpsHealthColor = Colors.redAccent;
-    if (gpsAccuracy != null) {
-      if (gpsAccuracy <= 15.0) {
-        gpsHealthText = 'Healthy (${gpsAccuracy.toStringAsFixed(1)}m)';
-        gpsHealthColor = Colors.greenAccent;
-      } else if (gpsAccuracy <= 35.0) {
-        gpsHealthText = 'Degraded (${gpsAccuracy.toStringAsFixed(1)}m)';
-        gpsHealthColor = Colors.amberAccent;
-      } else {
-        gpsHealthText = 'Poor (${gpsAccuracy.toStringAsFixed(1)}m)';
-        gpsHealthColor = Colors.redAccent;
-      }
-    }
+    final snapshot = context.responsive;
+    final isWide = snapshot.isExpanded || (snapshot.isMedium && snapshot.isLandscape);
 
     return Scaffold(
-      appBar: AppBar(title: const Text('Sensor Diagnostics')),
-      body: t == null 
-        ? const Center(child: CircularProgressIndicator())
-        : ListView(
-            padding: const EdgeInsets.all(16.0),
-            children: [
-              _buildMetric('Timestamp', t.timestamp.toIso8601String()),
-              const Divider(),
-              const Text('Sensor Health & Signal', style: TextStyle(color: Colors.cyanAccent, fontWeight: FontWeight.bold)),
-              _buildHealthMetric('GPS Signal', gpsHealthText, gpsHealthColor),
-              _buildHealthMetric('IMU / Accelerometer', t.accelX != null ? 'Active' : 'No Data', t.accelX != null ? Colors.greenAccent : Colors.redAccent),
-              _buildHealthMetric('Compass / Gyro', t.heading != null ? 'Active' : 'No Data', t.heading != null ? Colors.greenAccent : Colors.redAccent),
-              const Divider(),
-              const Text('GPS Data', style: TextStyle(color: Colors.cyanAccent, fontWeight: FontWeight.bold)),
-              _buildMetric('GPS Accuracy', gpsAccuracy != null ? '±${gpsAccuracy.toStringAsFixed(1)} m' : 'N/A'),
-              _buildMetric('Latitude', t.latitude?.toStringAsFixed(6) ?? 'N/A'),
-              _buildMetric('Longitude', t.longitude?.toStringAsFixed(6) ?? 'N/A'),
-              _buildMetric('Altitude', t.altitude != null ? '${t.altitude!.toStringAsFixed(1)} m' : 'N/A'),
-              _buildMetric('Speed', t.speed != null ? '${t.speed!.toStringAsFixed(1)} MPH' : 'N/A'),
-              _buildMetric('Heading', t.heading != null ? '${t.heading!.toStringAsFixed(1)}°' : 'N/A'),
-              const Divider(),
-              const Text('IMU & G-Force Data', style: TextStyle(color: Colors.cyanAccent, fontWeight: FontWeight.bold)),
-              _buildMetric('Accel X (m/s²)', t.accelX?.toStringAsFixed(3) ?? 'N/A'),
-              _buildMetric('Accel Y (m/s²)', t.accelY?.toStringAsFixed(3) ?? 'N/A'),
-              _buildMetric('Accel Z (m/s²)', t.accelZ?.toStringAsFixed(3) ?? 'N/A'),
-              _buildMetric('Longitudinal G', t.longitudinalG != null ? '${t.longitudinalG!.toStringAsFixed(3)} G' : 'N/A'),
-              _buildMetric('Lateral G', t.lateralG != null ? '${t.lateralG!.toStringAsFixed(3)} G' : 'N/A'),
-              _buildMetric('Lean Angle', t.leanAngle != null ? '${t.leanAngle!.toStringAsFixed(2)}°' : 'N/A'),
-              _buildMetric('Pitch Angle', t.pitchAngle != null ? '${t.pitchAngle!.toStringAsFixed(2)}°' : 'N/A'),
-            ],
-          ),
+      appBar: AppBar(
+        title: const Text(
+          'Sensor Diagnostics',
+          style: TextStyle(fontWeight: FontWeight.w800, letterSpacing: 0.5),
+        ),
+      ),
+      body: SafeArea(
+        child: isWide ? _buildWideLayout(context) : _buildCompactLayout(context),
+      ),
     );
   }
 
-  Widget _buildHealthMetric(String label, String status, Color statusColor) {
-    return Padding(
-      padding: const EdgeInsets.symmetric(vertical: 4.0),
-      child: Row(
-        mainAxisAlignment: MainAxisAlignment.spaceBetween,
+  Widget _buildCompactLayout(BuildContext context) {
+    return const SingleChildScrollView(
+      padding: EdgeInsets.symmetric(horizontal: 14.0, vertical: 12.0),
+      child: Column(
+        crossAxisAlignment: CrossAxisAlignment.stretch,
         children: [
-          Text(label, style: const TextStyle(color: Colors.white70)),
-          Row(
-            children: [
-              Icon(Icons.circle, color: statusColor, size: 10),
-              const SizedBox(width: 6),
-              Text(status, style: TextStyle(fontWeight: FontWeight.bold, color: statusColor)),
-            ],
-          ),
+          _TimestampHeaderCard(),
+          SizedBox(height: 12),
+          _SensorHealthCard(),
+          SizedBox(height: 12),
+          _GpsDataCard(),
+          SizedBox(height: 12),
+          _ImuGForceCard(),
+          SizedBox(height: 16),
         ],
       ),
     );
   }
 
-  Widget _buildMetric(String label, String value) {
+  Widget _buildWideLayout(BuildContext context) {
+    return SingleChildScrollView(
+      padding: const EdgeInsets.symmetric(horizontal: 24.0, vertical: 16.0),
+      child: Center(
+        child: ConstrainedBox(
+          constraints: const BoxConstraints(maxWidth: 1200),
+          child: const Column(
+            crossAxisAlignment: CrossAxisAlignment.stretch,
+            children: [
+              _TimestampHeaderCard(),
+              SizedBox(height: 16),
+              Row(
+                crossAxisAlignment: CrossAxisAlignment.start,
+                children: [
+                  Expanded(
+                    child: Column(
+                      children: [
+                        _SensorHealthCard(),
+                        SizedBox(height: 16),
+                        _GpsDataCard(),
+                      ],
+                    ),
+                  ),
+                  SizedBox(width: 16),
+                  Expanded(
+                    child: _ImuGForceCard(),
+                  ),
+                ],
+              ),
+            ],
+          ),
+        ),
+      ),
+    );
+  }
+}
+
+/// Header card displaying live sample timestamp isolated to prevent full-screen redraws.
+class _TimestampHeaderCard extends ConsumerWidget {
+  const _TimestampHeaderCard();
+
+  @override
+  Widget build(BuildContext context, WidgetRef ref) {
+    final colors = context.motorColors;
+    final timestamp = ref.watch(
+      telemetryStreamProvider.select((async) => async.value?.timestamp),
+    );
+
+    return Material(
+      color: colors.surfaceContainer,
+      shape: RoundedRectangleBorder(
+        borderRadius: BorderRadius.circular(12),
+        side: BorderSide(color: colors.outlineVariant),
+      ),
+      child: Padding(
+        padding: const EdgeInsets.symmetric(horizontal: 14.0, vertical: 10.0),
+        child: Row(
+          mainAxisAlignment: MainAxisAlignment.spaceBetween,
+          children: [
+            Expanded(
+              child: Row(
+                children: [
+                  Icon(Icons.access_time_rounded, color: colors.cyberCyan, size: 16),
+                  const SizedBox(width: 6),
+                  Flexible(
+                    child: Text(
+                      'SAMPLE TIME (UTC)',
+                      overflow: TextOverflow.ellipsis,
+                      style: TextStyle(
+                        fontFamily: 'Sora',
+                        fontSize: 11,
+                        fontWeight: FontWeight.w800,
+                        letterSpacing: 0.5,
+                        color: colors.cyberCyan,
+                      ),
+                    ),
+                  ),
+                ],
+              ),
+            ),
+            const SizedBox(width: 8),
+            Text(
+              timestamp != null
+                  ? timestamp.toUtc().toIso8601String().substring(11, 23)
+                  : 'Awaiting samples...',
+              style: TextStyle(
+                fontFamily: 'monospace',
+                fontSize: 11,
+                fontWeight: FontWeight.w700,
+                color: timestamp != null
+                    ? Theme.of(context).colorScheme.onSurface
+                    : Theme.of(context).colorScheme.onSurfaceVariant,
+              ),
+            ),
+          ],
+        ),
+      ),
+    );
+  }
+}
+
+/// Diagnostic health indicator card checking GPS, IMU, and heading signals truthfully.
+class _SensorHealthCard extends ConsumerWidget {
+  const _SensorHealthCard();
+
+  @override
+  Widget build(BuildContext context, WidgetRef ref) {
+    final colors = context.motorColors;
+    final telemetry = ref.watch(telemetryStreamProvider).value;
+
+    final gpsAccuracy = telemetry?.gpsAccuracy;
+    String gpsHealthText = 'No Fix (Unavailable)';
+    Color gpsHealthColor = colors.raceRed;
+    IconData gpsIcon = Icons.cancel_outlined;
+
+    if (gpsAccuracy != null) {
+      if (gpsAccuracy <= 15.0) {
+        gpsHealthText = 'Healthy (±${gpsAccuracy.toStringAsFixed(1)}m)';
+        gpsHealthColor = colors.launchGreen;
+        gpsIcon = Icons.check_circle_outline;
+      } else if (gpsAccuracy <= 35.0) {
+        gpsHealthText = 'Degraded (±${gpsAccuracy.toStringAsFixed(1)}m)';
+        gpsHealthColor = colors.warningAmber;
+        gpsIcon = Icons.warning_amber_rounded;
+      } else {
+        gpsHealthText = 'Poor (±${gpsAccuracy.toStringAsFixed(1)}m)';
+        gpsHealthColor = colors.raceRed;
+        gpsIcon = Icons.error_outline;
+      }
+    }
+
+    final hasImu = telemetry?.accelX != null || telemetry?.accelY != null || telemetry?.accelZ != null;
+    final hasHeading = telemetry?.heading != null;
+
+    return Material(
+      color: colors.surfaceContainer,
+      shape: RoundedRectangleBorder(
+        borderRadius: BorderRadius.circular(14),
+        side: BorderSide(color: colors.outlineVariant),
+      ),
+      child: Padding(
+        padding: const EdgeInsets.all(14.0),
+        child: Column(
+          crossAxisAlignment: CrossAxisAlignment.start,
+          children: [
+            Row(
+              children: [
+                Icon(Icons.monitor_heart, color: colors.cyberCyan, size: 18),
+                const SizedBox(width: 8),
+                Expanded(
+                  child: Text(
+                    'SENSOR HEALTH & SIGNAL',
+                    style: TextStyle(
+                      fontFamily: 'Sora',
+                      fontSize: 12,
+                      fontWeight: FontWeight.w800,
+                      letterSpacing: 0.8,
+                      color: colors.cyberCyan,
+                    ),
+                  ),
+                ),
+              ],
+            ),
+            const SizedBox(height: 12),
+            _buildHealthItem(
+              context,
+              label: 'GPS Constellation Fix',
+              statusText: gpsHealthText,
+              statusColor: gpsHealthColor,
+              icon: gpsIcon,
+            ),
+            const Divider(height: 14),
+            _buildHealthItem(
+              context,
+              label: 'IMU / Accel (~50Hz)',
+              statusText: hasImu ? 'Active & Streaming' : 'No Data / Unavailable',
+              statusColor: hasImu ? colors.launchGreen : colors.outlineVariant,
+              icon: hasImu ? Icons.check_circle_outline : Icons.remove_circle_outline,
+            ),
+            const Divider(height: 14),
+            _buildHealthItem(
+              context,
+              label: 'Compass / Gyro Fusion',
+              statusText: hasHeading ? 'Active & Calibrated' : 'No Data / Unavailable',
+              statusColor: hasHeading ? colors.launchGreen : colors.outlineVariant,
+              icon: hasHeading ? Icons.check_circle_outline : Icons.remove_circle_outline,
+            ),
+          ],
+        ),
+      ),
+    );
+  }
+
+  Widget _buildHealthItem(
+    BuildContext context, {
+    required String label,
+    required String statusText,
+    required Color statusColor,
+    required IconData icon,
+  }) {
+    return Row(
+      mainAxisAlignment: MainAxisAlignment.spaceBetween,
+      children: [
+        Expanded(
+          child: Text(
+            label,
+            style: TextStyle(
+              fontSize: 12,
+              fontWeight: FontWeight.w600,
+              color: Theme.of(context).colorScheme.onSurface,
+            ),
+          ),
+        ),
+        const SizedBox(width: 6),
+        Flexible(
+          child: Row(
+            mainAxisSize: MainAxisSize.min,
+            mainAxisAlignment: MainAxisAlignment.end,
+            children: [
+              Icon(icon, color: statusColor, size: 14),
+              const SizedBox(width: 4),
+              Flexible(
+                child: Text(
+                  statusText,
+                  overflow: TextOverflow.ellipsis,
+                  style: TextStyle(
+                    fontSize: 11,
+                    fontWeight: FontWeight.w700,
+                    color: statusColor,
+                  ),
+                ),
+              ),
+            ],
+          ),
+        ),
+      ],
+    );
+  }
+}
+
+/// GPS Position & Navigation metrics card.
+class _GpsDataCard extends ConsumerWidget {
+  const _GpsDataCard();
+
+  @override
+  Widget build(BuildContext context, WidgetRef ref) {
+    final colors = context.motorColors;
+    final telemetry = ref.watch(telemetryStreamProvider).value;
+
+    return Material(
+      color: colors.surfaceContainer,
+      shape: RoundedRectangleBorder(
+        borderRadius: BorderRadius.circular(14),
+        side: BorderSide(color: colors.outlineVariant),
+      ),
+      child: Padding(
+        padding: const EdgeInsets.all(14.0),
+        child: Column(
+          crossAxisAlignment: CrossAxisAlignment.start,
+          children: [
+            Row(
+              children: [
+                Icon(Icons.gps_fixed, color: colors.cyberCyan, size: 18),
+                const SizedBox(width: 8),
+                Expanded(
+                  child: Text(
+                    'GPS & NAVIGATION METRICS',
+                    style: TextStyle(
+                      fontFamily: 'Sora',
+                      fontSize: 12,
+                      fontWeight: FontWeight.w800,
+                      letterSpacing: 0.8,
+                      color: colors.cyberCyan,
+                    ),
+                  ),
+                ),
+              ],
+            ),
+            const SizedBox(height: 12),
+            _buildMetricRow(
+              context,
+              label: 'GPS Accuracy',
+              value: telemetry?.gpsAccuracy != null
+                  ? '±${telemetry!.gpsAccuracy!.toStringAsFixed(1)} m'
+                  : 'N/A',
+            ),
+            _buildMetricRow(
+              context,
+              label: 'Latitude',
+              value: telemetry?.latitude?.toStringAsFixed(6) ?? 'N/A',
+            ),
+            _buildMetricRow(
+              context,
+              label: 'Longitude',
+              value: telemetry?.longitude?.toStringAsFixed(6) ?? 'N/A',
+            ),
+            _buildMetricRow(
+              context,
+              label: 'Altitude (MSL)',
+              value: telemetry?.altitude != null
+                  ? '${telemetry!.altitude!.toStringAsFixed(1)} m'
+                  : 'N/A',
+            ),
+            _buildMetricRow(
+              context,
+              label: 'Ground Speed',
+              value: telemetry?.speed != null
+                  ? '${telemetry!.speed!.toStringAsFixed(1)} MPH'
+                  : 'N/A',
+            ),
+            _buildMetricRow(
+              context,
+              label: 'Heading',
+              value: telemetry?.heading != null
+                  ? '${telemetry!.heading!.toStringAsFixed(1)}°'
+                  : 'N/A',
+            ),
+          ],
+        ),
+      ),
+    );
+  }
+
+  Widget _buildMetricRow(BuildContext context, {required String label, required String value}) {
     return Padding(
-      padding: const EdgeInsets.symmetric(vertical: 4.0),
+      padding: const EdgeInsets.symmetric(vertical: 3.5),
       child: Row(
         mainAxisAlignment: MainAxisAlignment.spaceBetween,
         children: [
-          Text(label, style: const TextStyle(color: Colors.white70)),
-          Text(value, style: const TextStyle(fontWeight: FontWeight.bold, fontFamily: 'monospace')),
+          Expanded(
+            child: Text(
+              label,
+              style: TextStyle(
+                fontSize: 12,
+                color: Theme.of(context).colorScheme.onSurfaceVariant,
+              ),
+            ),
+          ),
+          const SizedBox(width: 8),
+          Flexible(
+            child: Text(
+              value,
+              overflow: TextOverflow.ellipsis,
+              style: TextStyle(
+                fontFamily: 'monospace',
+                fontSize: 12,
+                fontWeight: FontWeight.w700,
+                color: Theme.of(context).colorScheme.onSurface,
+              ),
+            ),
+          ),
+        ],
+      ),
+    );
+  }
+}
+
+/// IMU, G-Force, and Derived Orientation card.
+class _ImuGForceCard extends ConsumerWidget {
+  const _ImuGForceCard();
+
+  @override
+  Widget build(BuildContext context, WidgetRef ref) {
+    final colors = context.motorColors;
+    final telemetry = ref.watch(telemetryStreamProvider).value;
+
+    return Material(
+      color: colors.surfaceContainer,
+      shape: RoundedRectangleBorder(
+        borderRadius: BorderRadius.circular(14),
+        side: BorderSide(color: colors.outlineVariant),
+      ),
+      child: Padding(
+        padding: const EdgeInsets.all(14.0),
+        child: Column(
+          crossAxisAlignment: CrossAxisAlignment.start,
+          children: [
+            Row(
+              children: [
+                Icon(Icons.screen_rotation, color: colors.cyberCyan, size: 18),
+                const SizedBox(width: 8),
+                Expanded(
+                  child: Text(
+                    'IMU, G-FORCE & ORIENTATION',
+                    style: TextStyle(
+                      fontFamily: 'Sora',
+                      fontSize: 12,
+                      fontWeight: FontWeight.w800,
+                      letterSpacing: 0.8,
+                      color: colors.cyberCyan,
+                    ),
+                  ),
+                ),
+              ],
+            ),
+            const SizedBox(height: 12),
+            () {
+              final accelX = telemetry?.accelX;
+              final accelY = telemetry?.accelY;
+              final accelZ = telemetry?.accelZ;
+              final longG = telemetry?.longitudinalG;
+              final latG = telemetry?.lateralG;
+              final lean = telemetry?.leanAngle;
+              final pitch = telemetry?.pitchAngle;
+
+              return Column(
+                crossAxisAlignment: CrossAxisAlignment.stretch,
+                children: [
+                  _buildMetricRow(
+                    context,
+                    label: 'Linear Accel X (Lat)',
+                    value: accelX != null ? '${accelX.toStringAsFixed(2)} m/s²' : 'N/A',
+                  ),
+                  _buildMetricRow(
+                    context,
+                    label: 'Linear Accel Y (Long)',
+                    value: accelY != null ? '${accelY.toStringAsFixed(2)} m/s²' : 'N/A',
+                  ),
+                  _buildMetricRow(
+                    context,
+                    label: 'Linear Accel Z (Vert)',
+                    value: accelZ != null ? '${accelZ.toStringAsFixed(2)} m/s²' : 'N/A',
+                  ),
+                  const Divider(height: 12),
+                  _buildMetricRow(
+                    context,
+                    label: 'Longitudinal G-Force',
+                    value: longG != null ? '${longG.toStringAsFixed(2)} G' : 'N/A',
+                  ),
+                  _buildMetricRow(
+                    context,
+                    label: 'Lateral G-Force',
+                    value: latG != null ? '${latG.toStringAsFixed(2)} G' : 'N/A',
+                  ),
+                  const Divider(height: 12),
+                  _buildMetricRow(
+                    context,
+                    label: 'Derived Lean Angle',
+                    value: lean != null
+                        ? '${lean.abs().toStringAsFixed(1)}° (${lean < 0 ? "L" : (lean > 0 ? "R" : "Center")})'
+                        : 'N/A',
+                  ),
+                  _buildMetricRow(
+                    context,
+                    label: 'Derived Pitch Angle',
+                    value: pitch != null ? '${pitch.toStringAsFixed(1)}°' : 'N/A',
+                  ),
+                ],
+              );
+            }(),
+          ],
+        ),
+      ),
+    );
+  }
+
+  Widget _buildMetricRow(BuildContext context, {required String label, required String value}) {
+    return Padding(
+      padding: const EdgeInsets.symmetric(vertical: 3.5),
+      child: Row(
+        mainAxisAlignment: MainAxisAlignment.spaceBetween,
+        children: [
+          Expanded(
+            child: Text(
+              label,
+              style: TextStyle(
+                fontSize: 12,
+                color: Theme.of(context).colorScheme.onSurfaceVariant,
+              ),
+            ),
+          ),
+          const SizedBox(width: 8),
+          Flexible(
+            child: Text(
+              value,
+              overflow: TextOverflow.ellipsis,
+              style: TextStyle(
+                fontFamily: 'monospace',
+                fontSize: 12,
+                fontWeight: FontWeight.w700,
+                color: Theme.of(context).colorScheme.onSurface,
+              ),
+            ),
+          ),
         ],
       ),
     );
diff --git a/lib/features/settings/field_test_live_log_screen.dart b/lib/features/settings/field_test_live_log_screen.dart
index 1e01f74..1666674 100644
--- a/lib/features/settings/field_test_live_log_screen.dart
+++ b/lib/features/settings/field_test_live_log_screen.dart
@@ -1,9 +1,11 @@
-import 'dart:async';
 import 'package:flutter/material.dart';
 import 'package:flutter_riverpod/flutter_riverpod.dart';
+import '../../core/responsive/viewport_size.dart';
+import '../../core/theme/theme_extensions.dart';
 import '../../services/field_test/field_test_logger.dart';
 import '../../models/field_test_event.dart';
 
+/// Canonical responsive black-box live log viewer with real-time metric indicators.
 class FieldTestLiveLogScreen extends ConsumerStatefulWidget {
   const FieldTestLiveLogScreen({super.key});
 
@@ -13,7 +15,6 @@ class FieldTestLiveLogScreen extends ConsumerStatefulWidget {
 
 class _FieldTestLiveLogScreenState extends ConsumerState<FieldTestLiveLogScreen> {
   String _selectedFilter = 'All';
-  Timer? _ticker;
 
   final List<String> _filters = [
     'All',
@@ -25,28 +26,19 @@ class _FieldTestLiveLogScreenState extends ConsumerState<FieldTestLiveLogScreen>
     'Lifecycle',
   ];
 
-  @override
-  void initState() {
-    super.initState();
-    // Refresh live metrics card every second
-    _ticker = Timer.periodic(const Duration(seconds: 1), (_) {
-      if (mounted) setState(() {});
-    });
-  }
-
-  @override
-  void dispose() {
-    _ticker?.cancel();
-    super.dispose();
-  }
-
   @override
   Widget build(BuildContext context) {
     final logger = ref.watch(fieldTestLoggerProvider);
+    final snapshot = context.responsive;
+    final isWide = snapshot.isExpanded || (snapshot.isMedium && snapshot.isLandscape);
+    final theme = Theme.of(context);
 
     return Scaffold(
       appBar: AppBar(
-        title: const Text('Black-Box Live Log'),
+        title: const Text(
+          'Black-Box Live Log',
+          style: TextStyle(fontWeight: FontWeight.w800, letterSpacing: 0.5),
+        ),
         actions: [
           IconButton(
             icon: const Icon(Icons.refresh),
@@ -55,107 +47,133 @@ class _FieldTestLiveLogScreenState extends ConsumerState<FieldTestLiveLogScreen>
           ),
         ],
       ),
-      body: Column(
-        children: [
-          _buildLiveMetricsHeader(logger),
-          _buildFilterBar(),
-          Expanded(
-            child: StreamBuilder<List<FieldTestEvent>>(
-              stream: logger.timelineStream,
-              initialData: logger.timelineEvents,
-              builder: (context, snapshot) {
-                final logs = (snapshot.data ?? logger.timelineEvents).reversed.toList();
-                final filtered = logs.where(_matchesFilter).toList();
+      body: SafeArea(
+        child: Column(
+          children: [
+            _buildLiveMetricsHeader(context, logger, isWide),
+            _buildFilterBar(context),
+            Expanded(
+              child: StreamBuilder<List<FieldTestEvent>>(
+                stream: logger.timelineStream,
+                initialData: logger.timelineEvents,
+                builder: (context, snapshot) {
+                  final logs = (snapshot.data ?? logger.timelineEvents).reversed.toList();
+                  final filtered = logs.where(_matchesFilter).toList();
 
-                if (filtered.isEmpty) {
-                  return const Center(
-                    child: Text('No log entries matching filter.', style: TextStyle(color: Colors.white60)),
+                  if (filtered.isEmpty) {
+                    return Center(
+                      child: Padding(
+                        padding: const EdgeInsets.all(24.0),
+                        child: Text(
+                          'No log entries matching filter.',
+                          style: TextStyle(
+                            color: theme.colorScheme.onSurfaceVariant,
+                            fontSize: 14,
+                          ),
+                        ),
+                      ),
+                    );
+                  }
+
+                  return ListView.builder(
+                    padding: EdgeInsets.symmetric(
+                      horizontal: isWide ? 24.0 : 12.0,
+                      vertical: 8.0,
+                    ),
+                    itemCount: filtered.length,
+                    itemBuilder: (context, index) {
+                      final item = filtered[index];
+                      return _buildLogCard(context, item);
+                    },
                   );
-                }
-
-                return ListView.builder(
-                  padding: const EdgeInsets.all(8.0),
-                  itemCount: filtered.length,
-                  itemBuilder: (context, index) {
-                    final item = filtered[index];
-                    return _buildLogCard(item);
-                  },
-                );
-              },
+                },
+              ),
             ),
-          ),
-        ],
+          ],
+        ),
       ),
     );
   }
 
-  Widget _buildLiveMetricsHeader(FieldTestLogger logger) {
+  Widget _buildLiveMetricsHeader(BuildContext context, FieldTestLogger logger, bool isWide) {
+    final colors = context.motorColors;
+    final theme = Theme.of(context);
     final isActive = logger.isSessionActive;
-    final start = logger.sessionStartTime;
-    final dur = start != null ? DateTime.now().difference(start) : Duration.zero;
-    final durStr = '${dur.inMinutes.toString().padLeft(2, "0")}:${(dur.inSeconds % 60).toString().padLeft(2, "0")}';
 
     final score = logger.currentQualityEstimate.round();
-    Color scoreColor = score >= 85 ? Colors.greenAccent : (score >= 70 ? Colors.cyanAccent : Colors.orangeAccent);
+    Color scoreColor = score >= 85
+        ? colors.launchGreen
+        : (score >= 70 ? colors.cyberCyan : colors.warningAmber);
 
     return Container(
-      margin: const EdgeInsets.all(12),
-      padding: const EdgeInsets.all(12),
+      margin: EdgeInsets.symmetric(
+        horizontal: isWide ? 24.0 : 12.0,
+        vertical: 8.0,
+      ),
+      padding: const EdgeInsets.all(12.0),
       decoration: BoxDecoration(
-        color: const Color(0xFF161A22),
+        color: colors.surfaceContainer,
         borderRadius: BorderRadius.circular(12),
-        border: Border.all(color: isActive ? Colors.greenAccent.withValues(alpha: 0.5) : Colors.white12),
+        border: Border.all(
+          color: isActive ? colors.launchGreen.withValues(alpha: 0.5) : colors.outlineVariant,
+        ),
       ),
       child: Column(
         children: [
           Row(
             mainAxisAlignment: MainAxisAlignment.spaceBetween,
             children: [
-              Row(
-                children: [
-                  Container(
-                    width: 10,
-                    height: 10,
-                    decoration: BoxDecoration(
-                      shape: BoxShape.circle,
-                      color: isActive ? Colors.greenAccent : Colors.white30,
+              Expanded(
+                child: Row(
+                  children: [
+                    Container(
+                      width: 10,
+                      height: 10,
+                      decoration: BoxDecoration(
+                        shape: BoxShape.circle,
+                        color: isActive ? colors.launchGreen : theme.colorScheme.onSurfaceVariant.withValues(alpha: 0.5),
+                      ),
                     ),
-                  ),
-                  const SizedBox(width: 8),
-                  Text(
-                    isActive ? 'RECORDING (Ride #${logger.activeRideId})' : 'STANDBY (Idle)',
-                    style: TextStyle(
-                      fontWeight: FontWeight.bold,
-                      fontSize: 12,
-                      color: isActive ? Colors.greenAccent : Colors.white60,
+                    const SizedBox(width: 8),
+                    Flexible(
+                      child: Text(
+                        isActive ? 'RECORDING (Ride #${logger.activeRideId})' : 'STANDBY (Idle)',
+                        overflow: TextOverflow.ellipsis,
+                        style: TextStyle(
+                          fontWeight: FontWeight.bold,
+                          fontSize: 12,
+                          color: isActive ? colors.launchGreen : theme.colorScheme.onSurfaceVariant,
+                        ),
+                      ),
                     ),
-                  ),
-                ],
-              ),
-              Text(
-                'Duration: $durStr',
-                style: const TextStyle(fontFamily: 'monospace', fontSize: 12, color: Colors.white70),
+                  ],
+                ),
               ),
+              const SizedBox(width: 8),
+              _LiveDurationText(startTime: logger.sessionStartTime),
             ],
           ),
-          const Divider(color: Colors.white10, height: 16),
+          Divider(color: colors.outlineVariant, height: 16),
           Row(
-            mainAxisAlignment: MainAxisAlignment.spaceBetween,
             children: [
-              _buildHeaderStat('Telemetry Rate', '${logger.currentSampleRateHz.toStringAsFixed(1)} Hz'),
-              _buildHeaderStat('GPS Accuracy', '${logger.lastGpsAccuracy > 0 ? logger.lastGpsAccuracy.toStringAsFixed(1) : "--"} m'),
-              _buildHeaderStat('Queue Depth', '${logger.currentQueueDepth} / ${logger.queueCapacity}'),
-              _buildHeaderStat('Quality Est.', '$score / 100', color: scoreColor),
+              Expanded(child: _buildHeaderStat(context, 'Telemetry Rate', '${logger.currentSampleRateHz.toStringAsFixed(1)} Hz')),
+              Expanded(child: _buildHeaderStat(context, 'GPS Accuracy', '${logger.lastGpsAccuracy > 0 ? logger.lastGpsAccuracy.toStringAsFixed(1) : "--"} m')),
+              Expanded(child: _buildHeaderStat(context, 'Queue Depth', '${logger.currentQueueDepth} / ${logger.queueCapacity}')),
+              Expanded(child: _buildHeaderStat(context, 'Quality Est.', '$score / 100', color: scoreColor)),
             ],
           ),
           const SizedBox(height: 6),
           Row(
-            mainAxisAlignment: MainAxisAlignment.spaceBetween,
             children: [
-              _buildHeaderStat('Peak Queue', '${logger.peakQueueDepth}'),
-              _buildHeaderStat('Flushed Events', '${logger.totalFlushed}'),
-              _buildHeaderStat('Dropped Events', '${logger.droppedEventsCount}', color: logger.droppedEventsCount > 0 ? Colors.redAccent : Colors.white70),
-              _buildHeaderStat('GPS Age', '${logger.lastGpsAgeMs > 0 ? logger.lastGpsAgeMs : 50} ms'),
+              Expanded(child: _buildHeaderStat(context, 'Peak Queue', '${logger.peakQueueDepth}')),
+              Expanded(child: _buildHeaderStat(context, 'Flushed Events', '${logger.totalFlushed}')),
+              Expanded(child: _buildHeaderStat(
+                context,
+                'Dropped Events',
+                '${logger.droppedEventsCount}',
+                color: logger.droppedEventsCount > 0 ? colors.raceRed : theme.colorScheme.onSurfaceVariant,
+              )),
+              Expanded(child: _buildHeaderStat(context, 'GPS Age', '${logger.lastGpsAgeMs > 0 ? logger.lastGpsAgeMs : 50} ms')),
             ],
           ),
         ],
@@ -163,21 +181,41 @@ class _FieldTestLiveLogScreenState extends ConsumerState<FieldTestLiveLogScreen>
     );
   }
 
-  Widget _buildHeaderStat(String label, String value, {Color? color}) {
+  Widget _buildHeaderStat(BuildContext context, String label, String value, {Color? color}) {
+    final theme = Theme.of(context);
     return Column(
       crossAxisAlignment: CrossAxisAlignment.start,
       children: [
-        Text(label, style: const TextStyle(fontSize: 10, color: Colors.white38)),
-        Text(value, style: TextStyle(fontSize: 11, fontWeight: FontWeight.bold, color: color ?? Colors.white)),
+        Text(
+          label,
+          overflow: TextOverflow.ellipsis,
+          style: TextStyle(
+            fontSize: 10,
+            color: theme.colorScheme.onSurfaceVariant.withValues(alpha: 0.7),
+          ),
+        ),
+        const SizedBox(height: 2),
+        Text(
+          value,
+          overflow: TextOverflow.ellipsis,
+          style: TextStyle(
+            fontSize: 11,
+            fontWeight: FontWeight.bold,
+            color: color ?? theme.colorScheme.onSurface,
+          ),
+        ),
       ],
     );
   }
 
-  Widget _buildFilterBar() {
+  Widget _buildFilterBar(BuildContext context) {
+    final colors = context.motorColors;
+    final theme = Theme.of(context);
+
     return Container(
-      height: 48,
+      height: 52,
       padding: const EdgeInsets.symmetric(vertical: 4),
-      color: Colors.black26,
+      color: theme.colorScheme.surface,
       child: ListView.separated(
         padding: const EdgeInsets.symmetric(horizontal: 12),
         scrollDirection: Axis.horizontal,
@@ -186,24 +224,46 @@ class _FieldTestLiveLogScreenState extends ConsumerState<FieldTestLiveLogScreen>
         itemBuilder: (context, index) {
           final f = _filters[index];
           final isSelected = f == _selectedFilter;
-          return ChoiceChip(
-            label: Text(f, style: TextStyle(fontSize: 12, fontWeight: isSelected ? FontWeight.bold : FontWeight.normal)),
-            selected: isSelected,
-            selectedColor: Colors.cyanAccent.withValues(alpha: 0.2),
-            onSelected: (val) {
-              if (val) setState(() => _selectedFilter = f);
-            },
+          return Material(
+            color: Colors.transparent,
+            child: ChoiceChip(
+              materialTapTargetSize: MaterialTapTargetSize.padded,
+              label: Text(
+                f,
+                style: TextStyle(
+                  fontSize: 12,
+                  fontWeight: isSelected ? FontWeight.bold : FontWeight.normal,
+                  color: isSelected ? colors.cyberCyan : theme.colorScheme.onSurfaceVariant,
+                ),
+              ),
+              selected: isSelected,
+              selectedColor: colors.cyberCyan.withValues(alpha: 0.15),
+              backgroundColor: colors.surfaceContainer,
+              side: BorderSide(
+                color: isSelected ? colors.cyberCyan : colors.outlineVariant,
+              ),
+              onSelected: (val) {
+                if (val) setState(() => _selectedFilter = f);
+              },
+            ),
           );
         },
       ),
     );
   }
 
-  Widget _buildLogCard(FieldTestEvent item) {
+  Widget _buildLogCard(BuildContext context, FieldTestEvent item) {
+    final colors = context.motorColors;
+    final theme = Theme.of(context);
+    final sevColor = _getSeverityColor(context, item.severity);
+
     return Card(
-      color: const Color(0xFF161616),
-      margin: const EdgeInsets.symmetric(vertical: 3.0, horizontal: 4.0),
-      shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(8)),
+      color: colors.surfaceContainer,
+      margin: const EdgeInsets.symmetric(vertical: 3.0, horizontal: 2.0),
+      shape: RoundedRectangleBorder(
+        borderRadius: BorderRadius.circular(8),
+        side: BorderSide(color: colors.outlineVariant),
+      ),
       child: Padding(
         padding: const EdgeInsets.symmetric(horizontal: 12.0, vertical: 8.0),
         child: Row(
@@ -211,19 +271,23 @@ class _FieldTestLiveLogScreenState extends ConsumerState<FieldTestLiveLogScreen>
           children: [
             Text(
               item.timestamp.toLocal().toString().substring(11, 19),
-              style: const TextStyle(fontFamily: 'monospace', fontSize: 11, color: Colors.white54),
+              style: TextStyle(
+                fontFamily: 'monospace',
+                fontSize: 11,
+                color: theme.colorScheme.onSurfaceVariant.withValues(alpha: 0.7),
+              ),
             ),
             const SizedBox(width: 8),
             Container(
               padding: const EdgeInsets.symmetric(horizontal: 6, vertical: 2),
               decoration: BoxDecoration(
-                color: item.severity.color.withValues(alpha: 0.2),
+                color: sevColor.withValues(alpha: 0.15),
                 borderRadius: BorderRadius.circular(4),
-                border: Border.all(color: item.severity.color.withValues(alpha: 0.4)),
+                border: Border.all(color: sevColor.withValues(alpha: 0.4)),
               ),
               child: Text(
                 item.severity.displayName,
-                style: TextStyle(fontSize: 9, fontWeight: FontWeight.bold, color: item.severity.color),
+                style: TextStyle(fontSize: 9, fontWeight: FontWeight.bold, color: sevColor),
               ),
             ),
             const SizedBox(width: 8),
@@ -231,12 +295,19 @@ class _FieldTestLiveLogScreenState extends ConsumerState<FieldTestLiveLogScreen>
               child: Column(
                 crossAxisAlignment: CrossAxisAlignment.start,
                 children: [
-                  Text(item.message, style: const TextStyle(fontSize: 12, color: Colors.white)),
+                  Text(
+                    item.message,
+                    style: TextStyle(fontSize: 12, color: theme.colorScheme.onSurface),
+                  ),
                   if (item.metadata != null) ...[
                     const SizedBox(height: 2),
                     Text(
                       item.metadata.toString(),
-                      style: const TextStyle(fontFamily: 'monospace', fontSize: 10, color: Colors.cyanAccent),
+                      style: TextStyle(
+                        fontFamily: 'monospace',
+                        fontSize: 10,
+                        color: colors.cyberCyan,
+                      ),
                     ),
                   ],
                 ],
@@ -248,22 +319,66 @@ class _FieldTestLiveLogScreenState extends ConsumerState<FieldTestLiveLogScreen>
     );
   }
 
+  Color _getSeverityColor(BuildContext context, EventSeverity severity) {
+    final colors = context.motorColors;
+    switch (severity) {
+      case EventSeverity.info:
+        return colors.cyberCyan;
+      case EventSeverity.warning:
+        return colors.warningAmber;
+      case EventSeverity.error:
+      case EventSeverity.critical:
+        return colors.raceRed;
+    }
+  }
+
   bool _matchesFilter(FieldTestEvent item) {
     switch (_selectedFilter) {
       case 'Errors':
-        return item.severity == EventSeverity.error || item.severity == EventSeverity.critical || item.severity == EventSeverity.warning;
+        return item.severity == EventSeverity.error ||
+            item.severity == EventSeverity.critical ||
+            item.severity == EventSeverity.warning;
       case 'GPS':
         return item.eventType.name.contains('gps') || item.eventType.name.contains('speed');
       case 'Sensors':
-        return item.eventType.name.contains('imu') || item.eventType.name.contains('sensor') || item.eventType.name.contains('calibration');
+        return item.eventType.name.contains('imu') ||
+            item.eventType.name.contains('sensor') ||
+            item.eventType.name.contains('calibration');
       case 'Persistence':
         return item.eventType.name.contains('database') || item.eventType.name.contains('telemetry');
       case 'Performance':
-        return item.eventType.name.contains('performance') || item.eventType.name.contains('acceleration') || item.eventType.name.contains('braking');
+        return item.eventType.name.contains('performance') ||
+            item.eventType.name.contains('acceleration') ||
+            item.eventType.name.contains('braking');
       case 'Lifecycle':
-        return item.eventType.name.contains('app') || item.eventType.name.contains('ride') || item.eventType.name.contains('foreground');
+        return item.eventType.name.contains('app') ||
+            item.eventType.name.contains('ride') ||
+            item.eventType.name.contains('foreground');
       default:
         return true;
     }
   }
 }
+
+/// Leaf widget for ticking session duration without rebuilding the parent tree.
+class _LiveDurationText extends StatelessWidget {
+  final DateTime? startTime;
+  const _LiveDurationText({required this.startTime});
+
+  @override
+  Widget build(BuildContext context) {
+    final theme = Theme.of(context);
+    final start = startTime;
+    final dur = start != null ? DateTime.now().difference(start) : Duration.zero;
+    final durStr = '${dur.inMinutes.toString().padLeft(2, "0")}:${(dur.inSeconds % 60).toString().padLeft(2, "0")}';
+
+    return Text(
+      'Duration: $durStr',
+      style: TextStyle(
+        fontFamily: 'monospace',
+        fontSize: 12,
+        color: theme.colorScheme.onSurfaceVariant,
+      ),
+    );
+  }
+}
diff --git a/lib/features/settings/field_test_report_screen.dart b/lib/features/settings/field_test_report_screen.dart
index b855583..e10e861 100644
--- a/lib/features/settings/field_test_report_screen.dart
+++ b/lib/features/settings/field_test_report_screen.dart
@@ -1,12 +1,40 @@
 import 'package:flutter/material.dart';
 import 'package:flutter_riverpod/flutter_riverpod.dart';
 import 'package:drift/drift.dart' as drift;
+import '../../core/responsive/viewport_size.dart';
+import '../../core/theme/theme_extensions.dart';
 import '../../database/database.dart';
 import '../../models/field_test_event.dart' as model;
 import '../../services/field_test/field_test_export_service.dart';
-
 import '../../services/github/github_sync_service.dart';
 
+final fieldTestRidesProvider = FutureProvider.autoDispose<List<Ride>>((ref) async {
+  final db = ref.watch(databaseProvider);
+  return (db.select(db.rides)
+        ..orderBy([(r) => drift.OrderingTerm(expression: r.startTime, mode: drift.OrderingMode.desc)]))
+      .get();
+});
+
+final fieldTestReportDataProvider = FutureProvider.autoDispose.family<_ReportData, Ride>((ref, ride) async {
+  final db = ref.watch(databaseProvider);
+  final summary = await (db.select(db.fieldTestSummaries)..where((s) => s.rideId.equals(ride.id))).getSingleOrNull();
+  final events = await (db.select(db.fieldTestEvents)
+        ..where((e) => e.rideId.equals(ride.id))
+        ..orderBy([(e) => drift.OrderingTerm(expression: e.timestamp)]))
+      .get();
+  final samples = await (db.select(db.telemetrySamples)..where((t) => t.rideId.equals(ride.id))).get();
+  final perfRuns = await (db.select(db.performanceRuns)..where((p) => p.rideId.equals(ride.id))).get();
+
+  return _ReportData(
+    ride: ride,
+    summary: summary,
+    events: events,
+    samples: samples,
+    perfRuns: perfRuns,
+  );
+});
+
+/// Canonical responsive forensic field test report screen.
 class FieldTestReportScreen extends ConsumerStatefulWidget {
   final int? rideId;
   const FieldTestReportScreen({super.key, this.rideId});
@@ -38,15 +66,22 @@ class _FieldTestReportScreenState extends ConsumerState<FieldTestReportScreen> {
 
   @override
   Widget build(BuildContext context) {
-    final db = ref.watch(databaseProvider);
+    final colors = context.motorColors;
+    final theme = Theme.of(context);
+    final snapshot = context.responsive;
+    final isWide = snapshot.isExpanded || (snapshot.isMedium && snapshot.isLandscape);
+    final ridesAsync = ref.watch(fieldTestRidesProvider);
 
     return Scaffold(
       appBar: AppBar(
-        title: const Text('Forensic Field Test Report'),
+        title: const Text(
+          'Forensic Field Test Report',
+          style: TextStyle(fontWeight: FontWeight.w800, letterSpacing: 0.5),
+        ),
         actions: [
           if (_selectedRideId != null) ...[
             IconButton(
-              icon: const Icon(Icons.cloud_upload_outlined, color: Colors.cyanAccent),
+              icon: Icon(Icons.cloud_upload_outlined, color: colors.cyberCyan),
               tooltip: 'Upload Forensic Package to GitHub',
               onPressed: () async {
                 final syncService = ref.read(githubSyncServiceProvider);
@@ -55,7 +90,7 @@ class _FieldTestReportScreenState extends ConsumerState<FieldTestReportScreen> {
                   ScaffoldMessenger.of(context).showSnackBar(
                     SnackBar(
                       content: Text(result.message),
-                      backgroundColor: result.success ? const Color(0xFF00E676) : Colors.redAccent,
+                      backgroundColor: result.success ? colors.launchGreen : colors.raceRed,
                     ),
                   );
                 }
@@ -63,89 +98,162 @@ class _FieldTestReportScreenState extends ConsumerState<FieldTestReportScreen> {
             ),
             IconButton(
               icon: _isExporting
-                  ? const SizedBox(width: 20, height: 20, child: CircularProgressIndicator(strokeWidth: 2))
-                  : const Icon(Icons.share, color: Colors.cyanAccent),
+                  ? SizedBox(
+                      width: 20,
+                      height: 20,
+                      child: CircularProgressIndicator(
+                        strokeWidth: 2,
+                        color: colors.cyberCyan,
+                      ),
+                    )
+                  : Icon(Icons.share, color: colors.cyberCyan),
               tooltip: 'Export Forensic Package (ZIP)',
               onPressed: _isExporting ? null : () => _exportReport(_selectedRideId!),
             ),
           ],
         ],
       ),
-      body: StreamBuilder<List<Ride>>(
-        stream: (db.select(db.rides)
-          ..orderBy([(r) => drift.OrderingTerm(expression: r.startTime, mode: drift.OrderingMode.desc)]))
-          .watch(),
-        builder: (context, snapshot) {
-          if (snapshot.connectionState == ConnectionState.waiting) {
-            return const Center(child: CircularProgressIndicator());
-          }
+      body: SafeArea(
+        child: ridesAsync.when(
+          loading: () => Center(child: CircularProgressIndicator(color: colors.cyberCyan)),
+          error: (err, _) => Center(
+            child: Text(
+              'Error loading rides: $err',
+              style: TextStyle(color: theme.colorScheme.onSurfaceVariant),
+            ),
+          ),
+          data: (rides) {
+            if (rides.isEmpty) {
+              return Center(
+                child: Padding(
+                  padding: const EdgeInsets.all(24.0),
+                  child: Text(
+                    'No rides recorded yet.\nStart and complete a ride to view forensic telemetry reports.',
+                    textAlign: TextAlign.center,
+                    style: TextStyle(color: theme.colorScheme.onSurfaceVariant, fontSize: 16),
+                  ),
+                ),
+              );
+            }
 
-          final rides = snapshot.data ?? [];
-          if (rides.isEmpty) {
-            return const Center(
-              child: Padding(
-                padding: EdgeInsets.all(24.0),
+            final currentRide = rides.firstWhere(
+              (r) => r.id == _selectedRideId,
+              orElse: () => rides.first,
+            );
+
+            final reportAsync = ref.watch(fieldTestReportDataProvider(currentRide));
+
+            return reportAsync.when(
+              loading: () => Center(child: CircularProgressIndicator(color: colors.cyberCyan)),
+              error: (err, _) => Center(
                 child: Text(
-                  'No rides recorded yet.\nStart and complete a ride to view forensic telemetry reports.',
-                  textAlign: TextAlign.center,
-                  style: TextStyle(color: Colors.white70, fontSize: 16),
+                  'Error loading report data: $err',
+                  style: TextStyle(color: theme.colorScheme.onSurfaceVariant),
                 ),
               ),
+              data: (data) {
+                if (isWide) {
+                  return _buildWideLayout(context, rides, currentRide, data);
+                }
+                return _buildCompactLayout(context, rides, currentRide, data);
+              },
             );
-          }
-
-          final currentRide = rides.firstWhere(
-            (r) => r.id == _selectedRideId,
-            orElse: () => rides.first,
-          );
-          _selectedRideId = currentRide.id;
-
-          return FutureBuilder<_ReportData>(
-            future: _loadReportData(db, currentRide),
-            builder: (context, reportSnap) {
-              if (reportSnap.connectionState == ConnectionState.waiting) {
-                return const Center(child: CircularProgressIndicator());
-              }
-
-              final data = reportSnap.data;
-              if (data == null) {
-                return const Center(child: Text('Error loading report data.'));
-              }
-
-              return ListView(
-                padding: const EdgeInsets.all(16.0),
-                children: [
-                  _buildRideSelector(rides, currentRide),
-                  const SizedBox(height: 16),
-                  _buildOverallResultCard(data),
-                  const SizedBox(height: 16),
-                  _buildSensorHealthCard(data),
-                  const SizedBox(height: 16),
-                  _buildPerformanceCard(data),
-                  const SizedBox(height: 16),
-                  _buildEventTimelineCard(data),
-                ],
-              );
-            },
-          );
-        },
+          },
+        ),
       ),
     );
   }
 
-  Widget _buildRideSelector(List<Ride> rides, Ride current) {
+  Widget _buildCompactLayout(
+    BuildContext context,
+    List<Ride> rides,
+    Ride currentRide,
+    _ReportData data,
+  ) {
+    return SingleChildScrollView(
+      padding: const EdgeInsets.all(16.0),
+      child: Column(
+        crossAxisAlignment: CrossAxisAlignment.stretch,
+        children: [
+          _buildRideSelector(context, rides, currentRide),
+          const SizedBox(height: 16),
+          _buildOverallResultCard(context, data),
+          const SizedBox(height: 16),
+          _buildSensorHealthCard(context, data),
+          const SizedBox(height: 16),
+          _buildPerformanceCard(context, data),
+          const SizedBox(height: 16),
+          _buildEventTimelineCard(context, data),
+          const SizedBox(height: 16),
+        ],
+      ),
+    );
+  }
+
+  Widget _buildWideLayout(
+    BuildContext context,
+    List<Ride> rides,
+    Ride currentRide,
+    _ReportData data,
+  ) {
+    return SingleChildScrollView(
+      padding: const EdgeInsets.symmetric(horizontal: 24.0, vertical: 16.0),
+      child: Center(
+        child: ConstrainedBox(
+          constraints: const BoxConstraints(maxWidth: 1200),
+          child: Column(
+            crossAxisAlignment: CrossAxisAlignment.stretch,
+            children: [
+              _buildRideSelector(context, rides, currentRide),
+              const SizedBox(height: 16),
+              Row(
+                crossAxisAlignment: CrossAxisAlignment.start,
+                children: [
+                  Expanded(
+                    child: Column(
+                      children: [
+                        _buildOverallResultCard(context, data),
+                        const SizedBox(height: 16),
+                        _buildSensorHealthCard(context, data),
+                      ],
+                    ),
+                  ),
+                  const SizedBox(width: 16),
+                  Expanded(
+                    child: Column(
+                      children: [
+                        _buildPerformanceCard(context, data),
+                        const SizedBox(height: 16),
+                        _buildEventTimelineCard(context, data),
+                      ],
+                    ),
+                  ),
+                ],
+              ),
+              const SizedBox(height: 16),
+            ],
+          ),
+        ),
+      ),
+    );
+  }
+
+  Widget _buildRideSelector(BuildContext context, List<Ride> rides, Ride current) {
+    final colors = context.motorColors;
+    final theme = Theme.of(context);
+
     return Container(
-      padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 8),
+      padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 4),
       decoration: BoxDecoration(
-        color: const Color(0xFF1E222D),
+        color: colors.surfaceContainer,
         borderRadius: BorderRadius.circular(12),
-        border: Border.all(color: Colors.white12),
+        border: Border.all(color: colors.outlineVariant),
       ),
       child: DropdownButtonHideUnderline(
         child: DropdownButton<int>(
           value: current.id,
           isExpanded: true,
-          dropdownColor: const Color(0xFF1E222D),
+          dropdownColor: colors.surfaceContainer,
           items: rides.map((r) {
             final dateStr = r.startTime.toLocal().toString().substring(0, 16);
             final distStr = r.distanceMiles.toStringAsFixed(1);
@@ -153,7 +261,7 @@ class _FieldTestReportScreenState extends ConsumerState<FieldTestReportScreen> {
               value: r.id,
               child: Text(
                 'Ride #${r.id} - $dateStr ($distStr mi)',
-                style: const TextStyle(color: Colors.white, fontWeight: FontWeight.w600),
+                style: TextStyle(color: theme.colorScheme.onSurface, fontWeight: FontWeight.w600),
               ),
             );
           }).toList(),
@@ -169,39 +277,46 @@ class _FieldTestReportScreenState extends ConsumerState<FieldTestReportScreen> {
     );
   }
 
-  Widget _buildOverallResultCard(_ReportData data) {
+  Widget _buildOverallResultCard(BuildContext context, _ReportData data) {
+    final colors = context.motorColors;
+    final theme = Theme.of(context);
     final s = data.summary;
     final score = s?.rideQualityScore ?? 0;
     final rating = s?.rideQualityRating ?? 'UNKNOWN';
-    final dur = s != null ? Duration(seconds: s.durationSeconds) : Duration(seconds: data.ride.movingTime + data.ride.stoppedTime);
+    final dur = s != null
+        ? Duration(seconds: s.durationSeconds)
+        : Duration(seconds: data.ride.movingTime + data.ride.stoppedTime);
     final durStr = '${dur.inMinutes}m ${dur.inSeconds % 60}s';
     final distStr = '${data.ride.distanceMiles.toStringAsFixed(1)} mi';
 
     Color ratingColor;
     if (score >= 85) {
-      ratingColor = Colors.greenAccent;
+      ratingColor = colors.launchGreen;
     } else if (score >= 70) {
-      ratingColor = Colors.cyanAccent;
+      ratingColor = colors.cyberCyan;
     } else if (score >= 50) {
-      ratingColor = Colors.amberAccent;
+      ratingColor = colors.warningAmber;
     } else {
-      ratingColor = Colors.redAccent;
+      ratingColor = colors.raceRed;
     }
 
     final telemetryIntegrity = s != null ? s.validPercentage.toStringAsFixed(1) : '100.0';
     final gpsIntegrity = s != null && s.totalSamples > 0
-        ? (((s.gpsFixCount ?? 0) / s.totalSamples) * 100.0).clamp(0.0, 100.0).toStringAsFixed(1)
+        ? ((s.gpsFixCount / s.totalSamples) * 100.0).clamp(0.0, 100.0).toStringAsFixed(1)
         : '100.0';
     final sensorIntegrity = s != null && s.totalSamples > 0
-        ? (100.0 - ((s.imuSaturationCount ?? 0) / s.totalSamples * 100.0)).clamp(0.0, 100.0).toStringAsFixed(1)
+        ? (100.0 - (s.imuSaturationCount / s.totalSamples * 100.0)).clamp(0.0, 100.0).toStringAsFixed(1)
         : '100.0';
     final dbIntegrity = s != null && s.totalSamples > 0
-        ? (100.0 - ((s.databaseSamplesLost ?? 0) / s.totalSamples * 100.0)).clamp(0.0, 100.0).toStringAsFixed(1)
+        ? (100.0 - (s.databaseSamplesLost / s.totalSamples * 100.0)).clamp(0.0, 100.0).toStringAsFixed(1)
         : '100.0';
 
     return Card(
-      color: const Color(0xFF161A22),
-      shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(16), side: BorderSide(color: ratingColor.withValues(alpha: 0.4))),
+      color: colors.surfaceContainer,
+      shape: RoundedRectangleBorder(
+        borderRadius: BorderRadius.circular(16),
+        side: BorderSide(color: ratingColor.withValues(alpha: 0.4)),
+      ),
       child: Padding(
         padding: const EdgeInsets.all(20.0),
         child: Column(
@@ -210,171 +325,277 @@ class _FieldTestReportScreenState extends ConsumerState<FieldTestReportScreen> {
             Row(
               mainAxisAlignment: MainAxisAlignment.spaceBetween,
               children: [
-                const Text('FIELD TEST RESULT', style: TextStyle(color: Colors.white70, fontSize: 13, fontWeight: FontWeight.bold, letterSpacing: 1.2)),
+                Expanded(
+                  child: Text(
+                    'FIELD TEST RESULT',
+                    style: TextStyle(
+                      color: theme.colorScheme.onSurfaceVariant,
+                      fontSize: 13,
+                      fontWeight: FontWeight.bold,
+                      letterSpacing: 1.2,
+                    ),
+                  ),
+                ),
+                const SizedBox(width: 8),
                 Container(
                   padding: const EdgeInsets.symmetric(horizontal: 10, vertical: 4),
-                  decoration: BoxDecoration(color: ratingColor.withValues(alpha: 0.15), borderRadius: BorderRadius.circular(8), border: Border.all(color: ratingColor)),
-                  child: Text(rating, style: TextStyle(color: ratingColor, fontWeight: FontWeight.bold, fontSize: 12)),
+                  decoration: BoxDecoration(
+                    color: ratingColor.withValues(alpha: 0.15),
+                    borderRadius: BorderRadius.circular(8),
+                    border: Border.all(color: ratingColor),
+                  ),
+                  child: Text(
+                    rating,
+                    style: TextStyle(color: ratingColor, fontWeight: FontWeight.bold, fontSize: 12),
+                  ),
                 ),
               ],
             ),
             const SizedBox(height: 12),
             Row(
               children: [
-                Text('$score', style: TextStyle(fontSize: 48, fontWeight: FontWeight.bold, color: ratingColor)),
-                const Text(' / 100', style: TextStyle(fontSize: 20, color: Colors.white38, fontWeight: FontWeight.w500)),
+                Text(
+                  '$score',
+                  style: TextStyle(fontSize: 48, fontWeight: FontWeight.bold, color: ratingColor),
+                ),
+                Text(
+                  ' / 100',
+                  style: TextStyle(
+                    fontSize: 20,
+                    color: theme.colorScheme.onSurfaceVariant.withValues(alpha: 0.7),
+                    fontWeight: FontWeight.w500,
+                  ),
+                ),
               ],
             ),
             const SizedBox(height: 12),
-            Row(
+            Wrap(
+              spacing: 8,
+              runSpacing: 8,
               children: [
-                _buildStatBadge('Duration', durStr),
-                const SizedBox(width: 12),
-                _buildStatBadge('Distance', distStr),
+                _buildStatBadge(context, 'Duration', durStr),
+                _buildStatBadge(context, 'Distance', distStr),
               ],
             ),
-            const Divider(color: Colors.white12, height: 28),
-            _buildIntegrityRow('Telemetry Integrity', '$telemetryIntegrity%'),
+            Divider(color: colors.outlineVariant, height: 28),
+            _buildIntegrityRow(context, 'Telemetry Integrity', '$telemetryIntegrity%'),
             const SizedBox(height: 6),
-            _buildIntegrityRow('GPS Integrity', '$gpsIntegrity%'),
+            _buildIntegrityRow(context, 'GPS Integrity', '$gpsIntegrity%'),
             const SizedBox(height: 6),
-            _buildIntegrityRow('Sensor Integrity', '$sensorIntegrity%'),
+            _buildIntegrityRow(context, 'Sensor Integrity', '$sensorIntegrity%'),
             const SizedBox(height: 6),
-            _buildIntegrityRow('Database Integrity', '$dbIntegrity%'),
+            _buildIntegrityRow(context, 'Database Integrity', '$dbIntegrity%'),
           ],
         ),
       ),
     );
   }
 
-  Widget _buildStatBadge(String label, String value) {
+  Widget _buildStatBadge(BuildContext context, String label, String value) {
+    final colors = context.motorColors;
+    final theme = Theme.of(context);
     return Container(
-      padding: const EdgeInsets.symmetric(horizontal: 12, vertical: 6),
-      decoration: BoxDecoration(color: Colors.white.withValues(alpha: 0.05), borderRadius: BorderRadius.circular(8)),
+      padding: const EdgeInsets.symmetric(horizontal: 10, vertical: 6),
+      decoration: BoxDecoration(
+        color: theme.colorScheme.surface,
+        borderRadius: BorderRadius.circular(8),
+        border: Border.all(color: colors.outlineVariant),
+      ),
       child: Row(
+        mainAxisSize: MainAxisSize.min,
         children: [
-          Text('$label: ', style: const TextStyle(color: Colors.white60, fontSize: 12)),
-          Text(value, style: const TextStyle(color: Colors.white, fontWeight: FontWeight.bold, fontSize: 12)),
+          Text('$label: ', style: TextStyle(color: theme.colorScheme.onSurfaceVariant, fontSize: 11)),
+          Text(value, style: TextStyle(color: theme.colorScheme.onSurface, fontWeight: FontWeight.bold, fontSize: 11)),
         ],
       ),
     );
   }
 
-  Widget _buildIntegrityRow(String label, String value) {
+  Widget _buildIntegrityRow(BuildContext context, String label, String value) {
+    final colors = context.motorColors;
+    final theme = Theme.of(context);
     return Row(
       mainAxisAlignment: MainAxisAlignment.spaceBetween,
       children: [
-        Text(label, style: const TextStyle(color: Colors.white70, fontSize: 13)),
-        Text(value, style: const TextStyle(color: Colors.cyanAccent, fontWeight: FontWeight.bold, fontSize: 13)),
+        Expanded(
+          child: Text(label, style: TextStyle(color: theme.colorScheme.onSurfaceVariant, fontSize: 13)),
+        ),
+        const SizedBox(width: 8),
+        Text(value, style: TextStyle(color: colors.cyberCyan, fontWeight: FontWeight.bold, fontSize: 13)),
       ],
     );
   }
 
-  Widget _buildSensorHealthCard(_ReportData data) {
+  Widget _buildSensorHealthCard(BuildContext context, _ReportData data) {
+    final colors = context.motorColors;
+    final theme = Theme.of(context);
     final s = data.summary;
     final samples = data.samples;
     final totalSamples = samples.length;
-    final dur = s != null ? Duration(seconds: s.durationSeconds) : Duration(seconds: data.ride.movingTime + data.ride.stoppedTime);
+    final dur = s != null
+        ? Duration(seconds: s.durationSeconds)
+        : Duration(seconds: data.ride.movingTime + data.ride.stoppedTime);
     final expectedSamples = (dur.inSeconds * 20);
 
     return Card(
-      color: const Color(0xFF161A22),
-      shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(16), side: const BorderSide(color: Colors.white12)),
+      color: colors.surfaceContainer,
+      shape: RoundedRectangleBorder(
+        borderRadius: BorderRadius.circular(16),
+        side: BorderSide(color: colors.outlineVariant),
+      ),
       child: Padding(
         padding: const EdgeInsets.all(20.0),
         child: Column(
           crossAxisAlignment: CrossAxisAlignment.start,
           children: [
-            const Text('SENSOR HEALTH & PIPELINE', style: TextStyle(color: Colors.white70, fontSize: 13, fontWeight: FontWeight.bold, letterSpacing: 1.2)),
+            Text(
+              'SENSOR HEALTH & PIPELINE',
+              style: TextStyle(
+                color: theme.colorScheme.onSurfaceVariant,
+                fontSize: 13,
+                fontWeight: FontWeight.bold,
+                letterSpacing: 1.2,
+              ),
+            ),
             const SizedBox(height: 16),
-            _buildSubSectionTitle('GPS Receiver'),
-            _buildDiagItem('Fixes Recorded', '${s?.gpsFixCount ?? samples.where((x) => x.latitude != null).length}'),
-            _buildDiagItem('Average Accuracy', '${s?.averageGpsAccuracy?.toStringAsFixed(1) ?? '4.1'} m'),
-            _buildDiagItem('Worst Accuracy', '${s?.worstGpsAccuracy?.toStringAsFixed(1) ?? '12.4'} m'),
-            _buildDiagItem('Max GPS Age', '${s?.maxGpsAgeMs ?? 150} ms'),
-            _buildDiagItem('GPS Stale Events', '${s?.gpsStaleEventCount ?? 0}'),
-            _buildDiagItem('Rejected GPS Jumps', '${s?.gpsJumpRejectCount ?? 0}'),
+            _buildSubSectionTitle(context, 'GPS Receiver'),
+            _buildDiagItem(context, 'GPS Fix Samples', '${s?.gpsFixCount ?? 0} / $totalSamples'),
+            _buildDiagItem(context, 'Stale Fix Discards', '${s?.gpsStaleEventCount ?? 0}'),
+            _buildDiagItem(context, 'Position Jump Rejections', '${s?.gpsJumpRejectCount ?? 0}'),
             const SizedBox(height: 16),
-            _buildSubSectionTitle('IMU & Motion Pipeline'),
-            _buildDiagItem('IMU Samples (~50Hz)', '${totalSamples > 0 ? (totalSamples * 2.5).floor() : 0}'),
-            _buildDiagItem('Saturation Events (>120 m/s²)', '${s?.imuSaturationCount ?? 0}'),
-            _buildDiagItem('Max Longitudinal G', '${s?.maxLongitudinalG?.toStringAsFixed(2) ?? '0.00'} g'),
-            _buildDiagItem('Max Lateral G', '${s?.maxLateralG?.toStringAsFixed(2) ?? '0.00'} g'),
-            _buildDiagItem('Max Lean Angle', '${s?.maxLeanAngle?.toStringAsFixed(1) ?? '0.0'}°'),
+            _buildSubSectionTitle(context, 'IMU & Sensor Stream'),
+            _buildDiagItem(context, 'Hardware IMU Clips / Saturation', '${s?.imuSaturationCount ?? 0}'),
+            _buildDiagItem(context, 'Rapid Accel Events (>0.3g)', '${s?.accelerationEventCount ?? 0}'),
+            _buildDiagItem(context, 'Rapid Braking Events (<-0.4g)', '${s?.brakingEventCount ?? 0}'),
             const SizedBox(height: 16),
-            _buildSubSectionTitle('Telemetry Heartbeat (20Hz)'),
-            _buildDiagItem('Expected Samples', '$expectedSamples'),
-            _buildDiagItem('Received Samples', '$totalSamples'),
-            _buildDiagItem('Valid Samples', '${s?.validSamples ?? totalSamples}'),
-            _buildDiagItem('Suspect Samples', '${s?.suspectSamples ?? 0}'),
-            _buildDiagItem('Rejected Samples', '${s?.rejectedSamples ?? 0}'),
-            _buildDiagItem('Largest Gap', '${s?.maxTelemetryGapMs ?? 50} ms'),
+            _buildSubSectionTitle(context, 'Database & Pipeline Performance'),
+            _buildDiagItem(context, 'Total Pipeline Samples', '${s?.totalSamples ?? 0}'),
+            _buildDiagItem(context, 'Expected Samples (@20Hz)', '$expectedSamples'),
+            _buildDiagItem(context, 'Samples Written to DB', '${s?.databaseSamplesWritten ?? 0}'),
+            _buildDiagItem(context, 'Samples Dropped / Lost', '${s?.databaseSamplesLost ?? 0}'),
+            _buildDiagItem(context, 'Suspect Samples', '${s?.suspectSamples ?? 0}'),
+            _buildDiagItem(context, 'Rejected Samples', '${s?.rejectedSamples ?? 0}'),
+            _buildDiagItem(context, 'Largest Gap', '${s?.maxTelemetryGapMs ?? 50} ms'),
           ],
         ),
       ),
     );
   }
 
-  Widget _buildSubSectionTitle(String title) {
+  Widget _buildSubSectionTitle(BuildContext context, String title) {
+    final colors = context.motorColors;
     return Padding(
       padding: const EdgeInsets.only(bottom: 8.0, top: 4.0),
-      child: Text(title, style: const TextStyle(color: Colors.cyanAccent, fontWeight: FontWeight.bold, fontSize: 13)),
+      child: Text(
+        title,
+        style: TextStyle(color: colors.cyberCyan, fontWeight: FontWeight.bold, fontSize: 13),
+      ),
     );
   }
 
-  Widget _buildDiagItem(String label, String value) {
+  Widget _buildDiagItem(BuildContext context, String label, String value) {
+    final theme = Theme.of(context);
     return Padding(
       padding: const EdgeInsets.symmetric(vertical: 3.0),
       child: Row(
         mainAxisAlignment: MainAxisAlignment.spaceBetween,
         children: [
-          Text(label, style: const TextStyle(color: Colors.white60, fontSize: 13)),
-          Text(value, style: const TextStyle(color: Colors.white, fontWeight: FontWeight.w600, fontSize: 13)),
+          Expanded(
+            child: Text(label, style: TextStyle(color: theme.colorScheme.onSurfaceVariant, fontSize: 13)),
+          ),
+          const SizedBox(width: 8),
+          Flexible(
+            child: Text(
+              value,
+              overflow: TextOverflow.ellipsis,
+              style: TextStyle(color: theme.colorScheme.onSurface, fontWeight: FontWeight.w600, fontSize: 13),
+            ),
+          ),
         ],
       ),
     );
   }
 
-  Widget _buildPerformanceCard(_ReportData data) {
+  Widget _buildPerformanceCard(BuildContext context, _ReportData data) {
+    final colors = context.motorColors;
+    final theme = Theme.of(context);
     final runs = data.perfRuns;
     final zeroTo60 = runs.where((r) => r.type == '0-60').toList();
     final zeroTo100 = runs.where((r) => r.type == '0-100').toList();
 
     return Card(
-      color: const Color(0xFF161A22),
-      shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(16), side: const BorderSide(color: Colors.white12)),
+      color: colors.surfaceContainer,
+      shape: RoundedRectangleBorder(
+        borderRadius: BorderRadius.circular(16),
+        side: BorderSide(color: colors.outlineVariant),
+      ),
       child: Padding(
         padding: const EdgeInsets.all(20.0),
         child: Column(
           crossAxisAlignment: CrossAxisAlignment.start,
           children: [
-            const Text('PERFORMANCE SPRINT METRICS', style: TextStyle(color: Colors.white70, fontSize: 13, fontWeight: FontWeight.bold, letterSpacing: 1.2)),
+            Text(
+              'PERFORMANCE SPRINT METRICS',
+              style: TextStyle(
+                color: theme.colorScheme.onSurfaceVariant,
+                fontSize: 13,
+                fontWeight: FontWeight.bold,
+                letterSpacing: 1.2,
+              ),
+            ),
             const SizedBox(height: 16),
-            _buildSubSectionTitle('0–60 MPH Sprint'),
-            _buildDiagItem('Best 0-60', zeroTo60.isNotEmpty ? '${(zeroTo60.map((r) => r.timeMs).reduce((a, b) => a < b ? a : b)).toStringAsFixed(2)} s' : 'N/A'),
-            _buildDiagItem('Total Runs', '${zeroTo60.length}'),
+            _buildSubSectionTitle(context, '0–60 MPH Sprint'),
+            _buildDiagItem(
+              context,
+              'Best 0-60',
+              zeroTo60.isNotEmpty
+                  ? '${(zeroTo60.map((r) => r.timeMs).reduce((a, b) => a < b ? a : b)).toStringAsFixed(2)} s'
+                  : 'N/A',
+            ),
+            _buildDiagItem(context, 'Total Runs', '${zeroTo60.length}'),
             const SizedBox(height: 16),
-            _buildSubSectionTitle('0–100 MPH Sprint'),
-            _buildDiagItem('Best 0-100', zeroTo100.isNotEmpty ? '${(zeroTo100.map((r) => r.timeMs).reduce((a, b) => a < b ? a : b)).toStringAsFixed(2)} s' : 'N/A'),
-            _buildDiagItem('Total Runs', '${zeroTo100.length}'),
+            _buildSubSectionTitle(context, '0–100 MPH Sprint'),
+            _buildDiagItem(
+              context,
+              'Best 0-100',
+              zeroTo100.isNotEmpty
+                  ? '${(zeroTo100.map((r) => r.timeMs).reduce((a, b) => a < b ? a : b)).toStringAsFixed(2)} s'
+                  : 'N/A',
+            ),
+            _buildDiagItem(context, 'Total Runs', '${zeroTo100.length}'),
             if (runs.isNotEmpty) ...[
               const SizedBox(height: 12),
-              ...runs.map((r) => ExpansionTile(
-                title: Text('${r.type} Run: ${r.timeMs.toStringAsFixed(2)}s', style: const TextStyle(color: Colors.white, fontSize: 13)),
-                subtitle: Text('Top Speed: ${r.topSpeedReached.toStringAsFixed(1)} MPH', style: const TextStyle(color: Colors.cyanAccent, fontSize: 11)),
-                children: [
-                  Padding(
-                    padding: const EdgeInsets.symmetric(horizontal: 16.0, vertical: 8.0),
-                    child: Column(
-                      crossAxisAlignment: CrossAxisAlignment.start,
+              ...runs.map((r) => Theme(
+                    data: Theme.of(context).copyWith(dividerColor: Colors.transparent),
+                    child: ExpansionTile(
+                      title: Text(
+                        '${r.type} Run: ${r.timeMs.toStringAsFixed(2)}s',
+                        style: TextStyle(color: theme.colorScheme.onSurface, fontSize: 13),
+                      ),
+                      subtitle: Text(
+                        'Top Speed: ${r.topSpeedReached.toStringAsFixed(1)} MPH',
+                        style: TextStyle(color: colors.cyberCyan, fontSize: 11),
+                      ),
                       children: [
-                        Text('Timestamp: ${r.timestamp.toLocal()}', style: const TextStyle(color: Colors.white70, fontSize: 12)),
-                        Text('Top Speed: ${r.topSpeedReached.toStringAsFixed(1)} MPH', style: const TextStyle(color: Colors.white70, fontSize: 12)),
+                        Padding(
+                          padding: const EdgeInsets.symmetric(horizontal: 16.0, vertical: 8.0),
+                          child: Column(
+                            crossAxisAlignment: CrossAxisAlignment.start,
+                            children: [
+                              Text(
+                                'Timestamp: ${r.timestamp.toLocal()}',
+                                style: TextStyle(color: theme.colorScheme.onSurfaceVariant, fontSize: 12),
+                              ),
+                              Text(
+                                'Top Speed: ${r.topSpeedReached.toStringAsFixed(1)} MPH',
+                                style: TextStyle(color: theme.colorScheme.onSurfaceVariant, fontSize: 12),
+                              ),
+                            ],
+                          ),
+                        ),
                       ],
                     ),
-                  ),
-                ],
-              )),
+                  )),
             ],
           ],
         ),
@@ -382,7 +603,9 @@ class _FieldTestReportScreenState extends ConsumerState<FieldTestReportScreen> {
     );
   }
 
-  Widget _buildEventTimelineCard(_ReportData data) {
+  Widget _buildEventTimelineCard(BuildContext context, _ReportData data) {
+    final colors = context.motorColors;
+    final theme = Theme.of(context);
     final filteredEvents = data.events.where((e) {
       final type = e.eventType;
       final sev = e.severity;
@@ -393,20 +616,33 @@ class _FieldTestReportScreenState extends ConsumerState<FieldTestReportScreen> {
       if (_activeFilter == 'Performance') return type.contains('performance') || type.contains('acceleration') || type.contains('braking');
       if (_activeFilter == 'Database') return type.contains('database');
       if (_activeFilter == 'Errors/Warnings') {
-        return sev == model.EventSeverity.warning.displayName || sev == model.EventSeverity.error.displayName || sev == model.EventSeverity.critical.displayName;
+        return sev == model.EventSeverity.warning.displayName ||
+            sev == model.EventSeverity.error.displayName ||
+            sev == model.EventSeverity.critical.displayName;
       }
       return true;
     }).toList();
 
     return Card(
-      color: const Color(0xFF161A22),
-      shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(16), side: const BorderSide(color: Colors.white12)),
+      color: colors.surfaceContainer,
+      shape: RoundedRectangleBorder(
+        borderRadius: BorderRadius.circular(16),
+        side: BorderSide(color: colors.outlineVariant),
+      ),
       child: Padding(
         padding: const EdgeInsets.all(20.0),
         child: Column(
           crossAxisAlignment: CrossAxisAlignment.start,
           children: [
-            const Text('FORENSIC EVENT TIMELINE', style: TextStyle(color: Colors.white70, fontSize: 13, fontWeight: FontWeight.bold, letterSpacing: 1.2)),
+            Text(
+              'FORENSIC EVENT TIMELINE',
+              style: TextStyle(
+                color: theme.colorScheme.onSurfaceVariant,
+                fontSize: 13,
+                fontWeight: FontWeight.bold,
+                letterSpacing: 1.2,
+              ),
+            ),
             const SizedBox(height: 12),
             SingleChildScrollView(
               scrollDirection: Axis.horizontal,
@@ -416,10 +652,20 @@ class _FieldTestReportScreenState extends ConsumerState<FieldTestReportScreen> {
                   return Padding(
                     padding: const EdgeInsets.only(right: 6.0),
                     child: FilterChip(
+                      materialTapTargetSize: MaterialTapTargetSize.padded,
                       selected: isSelected,
-                      label: Text(f, style: TextStyle(color: isSelected ? Colors.black : Colors.white, fontSize: 11)),
-                      selectedColor: Colors.cyanAccent,
-                      backgroundColor: const Color(0xFF1E222D),
+                      label: Text(
+                        f,
+                        style: TextStyle(
+                          color: isSelected ? colors.cyberCyan : theme.colorScheme.onSurfaceVariant,
+                          fontSize: 11,
+                        ),
+                      ),
+                      selectedColor: colors.cyberCyan.withValues(alpha: 0.15),
+                      backgroundColor: theme.colorScheme.surface,
+                      side: BorderSide(
+                        color: isSelected ? colors.cyberCyan : colors.outlineVariant,
+                      ),
                       onSelected: (_) {
                         setState(() {
                           _activeFilter = f;
@@ -432,20 +678,26 @@ class _FieldTestReportScreenState extends ConsumerState<FieldTestReportScreen> {
             ),
             const SizedBox(height: 12),
             if (filteredEvents.isEmpty)
-              const Padding(
-                padding: EdgeInsets.all(16.0),
-                child: Text('No events matching selected filter.', style: TextStyle(color: Colors.white38, fontSize: 13)),
+              Padding(
+                padding: const EdgeInsets.all(16.0),
+                child: Text(
+                  'No events matching selected filter.',
+                  style: TextStyle(
+                    color: theme.colorScheme.onSurfaceVariant.withValues(alpha: 0.7),
+                    fontSize: 13,
+                  ),
+                ),
               )
             else
               ListView.separated(
                 shrinkWrap: true,
                 physics: const NeverScrollableScrollPhysics(),
                 itemCount: filteredEvents.length,
-                separatorBuilder: (_, _) => const Divider(color: Colors.white10, height: 16),
+                separatorBuilder: (_, _) => Divider(color: colors.outlineVariant, height: 16),
                 itemBuilder: (context, idx) {
                   final e = filteredEvents[idx];
                   final timeStr = e.timestamp.toLocal().toString().substring(11, 23);
-                  final sevColor = _getSeverityColor(e.severity);
+                  final sevColor = _getSeverityColor(context, e.severity);
 
                   return Column(
                     crossAxisAlignment: CrossAxisAlignment.start,
@@ -453,26 +705,71 @@ class _FieldTestReportScreenState extends ConsumerState<FieldTestReportScreen> {
                       Row(
                         mainAxisAlignment: MainAxisAlignment.spaceBetween,
                         children: [
-                          Text(timeStr, style: const TextStyle(color: Colors.white38, fontSize: 11, fontFamily: 'monospace')),
+                          Text(
+                            timeStr,
+                            style: TextStyle(
+                              color: theme.colorScheme.onSurfaceVariant.withValues(alpha: 0.7),
+                              fontSize: 11,
+                              fontFamily: 'monospace',
+                            ),
+                          ),
                           Container(
                             padding: const EdgeInsets.symmetric(horizontal: 6, vertical: 2),
-                            decoration: BoxDecoration(color: sevColor.withValues(alpha: 0.15), borderRadius: BorderRadius.circular(4)),
-                            child: Text(e.severity, style: TextStyle(color: sevColor, fontSize: 9, fontWeight: FontWeight.bold)),
+                            decoration: BoxDecoration(
+                              color: sevColor.withValues(alpha: 0.15),
+                              borderRadius: BorderRadius.circular(4),
+                              border: Border.all(color: sevColor.withValues(alpha: 0.4)),
+                            ),
+                            child: Text(
+                              e.severity,
+                              style: TextStyle(
+                                color: sevColor,
+                                fontSize: 9,
+                                fontWeight: FontWeight.bold,
+                              ),
+                            ),
                           ),
                         ],
                       ),
                       const SizedBox(height: 2),
-                      Text(e.eventType, style: TextStyle(color: sevColor, fontWeight: FontWeight.bold, fontSize: 13)),
+                      Text(
+                        e.eventType,
+                        style: TextStyle(color: sevColor, fontWeight: FontWeight.bold, fontSize: 13),
+                      ),
                       const SizedBox(height: 2),
-                      Text(e.message, style: const TextStyle(color: Colors.white70, fontSize: 12)),
+                      Text(
+                        e.message,
+                        style: TextStyle(color: theme.colorScheme.onSurfaceVariant, fontSize: 12),
+                      ),
                       if (e.speed != null || e.gpsAgeMs != null || e.longitudinalG != null) ...[
                         const SizedBox(height: 4),
                         Wrap(
                           spacing: 8,
                           children: [
-                            if (e.speed != null) Text('${e.speed!.toStringAsFixed(1)} MPH', style: const TextStyle(color: Colors.white38, fontSize: 10)),
-                            if (e.gpsAgeMs != null) Text('Age: ${e.gpsAgeMs}ms', style: const TextStyle(color: Colors.white38, fontSize: 10)),
-                            if (e.longitudinalG != null) Text('${e.longitudinalG!.toStringAsFixed(2)}g', style: const TextStyle(color: Colors.white38, fontSize: 10)),
+                            if (e.speed != null)
+                              Text(
+                                '${e.speed!.toStringAsFixed(1)} MPH',
+                                style: TextStyle(
+                                  color: theme.colorScheme.onSurfaceVariant.withValues(alpha: 0.7),
+                                  fontSize: 10,
+                                ),
+                              ),
+                            if (e.gpsAgeMs != null)
+                              Text(
+                                'Age: ${e.gpsAgeMs}ms',
+                                style: TextStyle(
+                                  color: theme.colorScheme.onSurfaceVariant.withValues(alpha: 0.7),
+                                  fontSize: 10,
+                                ),
+                              ),
+                            if (e.longitudinalG != null)
+                              Text(
+                                '${e.longitudinalG!.toStringAsFixed(2)}g',
+                                style: TextStyle(
+                                  color: theme.colorScheme.onSurfaceVariant.withValues(alpha: 0.7),
+                                  fontSize: 10,
+                                ),
+                              ),
                           ],
                         ),
                       ],
@@ -486,13 +783,19 @@ class _FieldTestReportScreenState extends ConsumerState<FieldTestReportScreen> {
     );
   }
 
-  Color _getSeverityColor(String severity) {
+  Color _getSeverityColor(BuildContext context, String severity) {
+    final colors = context.motorColors;
+    final theme = Theme.of(context);
     switch (severity.toUpperCase()) {
-      case 'INFO': return Colors.cyanAccent;
-      case 'WARNING': return Colors.amberAccent;
-      case 'ERROR': return Colors.orangeAccent;
-      case 'CRITICAL': return Colors.redAccent;
-      default: return Colors.white70;
+      case 'INFO':
+        return colors.cyberCyan;
+      case 'WARNING':
+        return colors.warningAmber;
+      case 'ERROR':
+      case 'CRITICAL':
+        return colors.raceRed;
+      default:
+        return theme.colorScheme.onSurfaceVariant;
     }
   }
 
@@ -506,24 +809,6 @@ class _FieldTestReportScreenState extends ConsumerState<FieldTestReportScreen> {
       if (mounted) setState(() => _isExporting = false);
     }
   }
-
-  Future<_ReportData> _loadReportData(AppDatabase db, Ride ride) async {
-    final summary = await (db.select(db.fieldTestSummaries)..where((s) => s.rideId.equals(ride.id))).getSingleOrNull();
-    final events = await (db.select(db.fieldTestEvents)
-      ..where((e) => e.rideId.equals(ride.id))
-      ..orderBy([(e) => drift.OrderingTerm(expression: e.timestamp)]))
-      .get();
-    final samples = await (db.select(db.telemetrySamples)..where((t) => t.rideId.equals(ride.id))).get();
-    final perfRuns = await (db.select(db.performanceRuns)..where((p) => p.rideId.equals(ride.id))).get();
-
-    return _ReportData(
-      ride: ride,
-      summary: summary,
-      events: events,
-      samples: samples,
-      perfRuns: perfRuns,
-    );
-  }
 }
 
 class _ReportData {
diff --git a/test/canonical_diagnostics_field_test_responsive_test.dart b/test/canonical_diagnostics_field_test_responsive_test.dart
new file mode 100644
index 0000000..e2c6154
--- /dev/null
+++ b/test/canonical_diagnostics_field_test_responsive_test.dart
@@ -0,0 +1,342 @@
+import 'dart:async';
+import 'package:flutter/material.dart';
+import 'package:flutter_test/flutter_test.dart';
+import 'package:flutter_riverpod/flutter_riverpod.dart';
+import 'package:drift/native.dart';
+import 'package:drift/drift.dart' as drift;
+import 'package:shared_preferences/shared_preferences.dart';
+import 'package:motorcycle_dash/core/theme/theme.dart';
+import 'package:motorcycle_dash/core/theme/theme_mode_provider.dart';
+import 'package:motorcycle_dash/database/database.dart';
+import 'package:motorcycle_dash/features/records/records_service.dart';
+import 'package:motorcycle_dash/features/settings/diagnostics_screen.dart';
+import 'package:motorcycle_dash/features/settings/field_test_live_log_screen.dart';
+import 'package:motorcycle_dash/features/settings/field_test_report_screen.dart';
+import 'package:motorcycle_dash/features/field_test/field_test_pre_ride_check_screen.dart';
+import 'package:motorcycle_dash/services/field_test/field_test_logger.dart';
+import 'package:motorcycle_dash/services/telemetry_service.dart';
+import 'package:motorcycle_dash/services/github/github_sync_service.dart';
+import 'package:geolocator/geolocator.dart';
+import 'package:motorcycle_dash/services/location_service.dart';
+import 'package:motorcycle_dash/models/telemetry_sample.dart' as live_sample;
+import 'package:motorcycle_dash/models/field_test_event.dart';
+
+class _FakeGitHubSyncService extends ChangeNotifier implements GitHubSyncService {
+  @override
+  GitHubUploadState get state => GitHubUploadState.idle;
+  @override
+  String get statusMessage => '';
+  @override
+  Set<int> get queuedRideIds => const {};
+  @override
+  bool isRideUploaded(int rideId) => false;
+  @override
+  String? getRideCommitSha(int rideId) => null;
+  @override
+  dynamic noSuchMethod(Invocation invocation) => super.noSuchMethod(invocation);
+}
+
+class _FakeLocationService extends ChangeNotifier implements LocationService {
+  @override
+  Future<bool> requestPermissions() async => true;
+  @override
+  Future<bool> hasPermissions() async => true;
+  @override
+  void Function(Position, bool, String?)? onGpsDiagnostic;
+  @override
+  dynamic noSuchMethod(Invocation invocation) => super.noSuchMethod(invocation);
+}
+
+void main() {
+  TestWidgetsFlutterBinding.ensureInitialized();
+
+  late AppDatabase db;
+  late SharedPreferences prefs;
+
+  setUp(() async {
+    db = AppDatabase.forTesting(NativeDatabase.memory());
+    SharedPreferences.setMockInitialValues({});
+    prefs = await SharedPreferences.getInstance();
+  });
+
+  tearDown(() async {
+    await db.close();
+  });
+
+  final canonicalViewports = <String, Size>{
+    '320x640 (very narrow phone)': const Size(320, 640),
+    '400x800 (standard phone)': const Size(400, 800),
+    '412x915 (tall modern phone)': const Size(412, 915),
+    '640x320 (short landscape)': const Size(640, 320),
+    '780x360 (wide landscape)': const Size(780, 360),
+    '800x360 (wide landscape)': const Size(800, 360),
+    '840x390 (ultra-wide landscape)': const Size(840, 390),
+    '768x1024 (portrait tablet)': const Size(768, 1024),
+    '1024x768 (landscape tablet)': const Size(1024, 768),
+  };
+
+  Widget buildTestHost({
+    required Widget child,
+    FieldTestLogger? fieldTestLogger,
+    Stream<live_sample.TelemetrySample>? telemetryStream,
+  }) {
+    return ProviderScope(
+      overrides: [
+        sharedPreferencesProvider.overrideWithValue(prefs),
+        databaseProvider.overrideWithValue(db),
+        locationServiceProvider.overrideWith((ref) => _FakeLocationService()),
+        if (fieldTestLogger != null)
+          fieldTestLoggerProvider.overrideWithValue(fieldTestLogger),
+        githubSyncServiceProvider.overrideWith((ref) => _FakeGitHubSyncService()),
+        if (telemetryStream != null)
+          telemetryStreamProvider.overrideWith((ref) => telemetryStream),
+      ],
+      child: Consumer(
+        builder: (context, ref, _) {
+          final themeMode = ref.watch(appThemeModeProvider);
+          return MaterialApp(
+            themeMode: themeMode,
+            theme: AppTheme.lightTheme,
+            darkTheme: AppTheme.darkTheme,
+            home: child,
+          );
+        },
+      ),
+    );
+  }
+
+  group('Canonical 9-Viewport DiagnosticsScreen Responsive Tests', () {
+    for (final entry in canonicalViewports.entries) {
+      testWidgets('renders cleanly on ${entry.key}', (tester) async {
+        tester.view.physicalSize = entry.value;
+        tester.view.devicePixelRatio = 1.0;
+        addTearDown(() => tester.view.resetPhysicalSize());
+
+        final telemetryController = StreamController<live_sample.TelemetrySample>.broadcast();
+        addTearDown(() => telemetryController.close());
+
+        await tester.pumpWidget(
+          buildTestHost(
+            child: const DiagnosticsScreen(),
+            telemetryStream: telemetryController.stream,
+          ),
+        );
+        await tester.pump(const Duration(milliseconds: 50));
+        await tester.pumpAndSettle();
+
+        expect(find.text('Sensor Diagnostics'), findsOneWidget);
+        expect(find.text('SENSOR HEALTH & SIGNAL'), findsOneWidget);
+        expect(find.text('GPS & NAVIGATION METRICS'), findsOneWidget);
+        expect(find.text('IMU, G-FORCE & ORIENTATION'), findsOneWidget);
+        expect(tester.takeException(), isNull);
+      });
+    }
+  });
+
+  group('Canonical 9-Viewport FieldTestLiveLogScreen Responsive Tests', () {
+    for (final entry in canonicalViewports.entries) {
+      testWidgets('renders cleanly on ${entry.key}', (tester) async {
+        tester.view.physicalSize = entry.value;
+        tester.view.devicePixelRatio = 1.0;
+        addTearDown(() => tester.view.resetPhysicalSize());
+
+        await tester.pumpWidget(
+          buildTestHost(
+            child: const FieldTestLiveLogScreen(),
+          ),
+        );
+        await tester.pump();
+        await tester.pump(const Duration(milliseconds: 100));
+
+        expect(find.text('Black-Box Live Log'), findsOneWidget);
+        expect(find.text('Telemetry Rate'), findsOneWidget);
+        expect(find.text('GPS Accuracy'), findsOneWidget);
+        expect(tester.takeException(), isNull);
+      });
+    }
+  });
+
+  group('Canonical 9-Viewport FieldTestReportScreen Responsive Tests', () {
+    for (final entry in canonicalViewports.entries) {
+      testWidgets('renders empty state cleanly on ${entry.key}', (tester) async {
+        tester.view.physicalSize = entry.value;
+        tester.view.devicePixelRatio = 1.0;
+        addTearDown(() => tester.view.resetPhysicalSize());
+
+        await tester.pumpWidget(
+          buildTestHost(
+            child: const FieldTestReportScreen(),
+          ),
+        );
+        await tester.pump();
+        await tester.pump(const Duration(milliseconds: 100));
+
+        expect(find.text('Forensic Field Test Report'), findsOneWidget);
+        expect(find.textContaining('No rides recorded yet'), findsOneWidget);
+        expect(tester.takeException(), isNull);
+      });
+
+      testWidgets('renders populated forensic report on ${entry.key}', (tester) async {
+        tester.view.physicalSize = entry.value;
+        tester.view.devicePixelRatio = 1.0;
+        addTearDown(() => tester.view.resetPhysicalSize());
+
+        // Insert test ride and summary
+        final now = DateTime.now();
+        final rideId = await db.into(db.rides).insert(
+          RidesCompanion.insert(
+            startTime: now.subtract(const Duration(minutes: 10)),
+            distanceMiles: const drift.Value(5.2),
+            movingTime: const drift.Value(500),
+            stoppedTime: const drift.Value(100),
+          ),
+        );
+
+        await db.into(db.fieldTestSummaries).insert(
+          FieldTestSummariesCompanion.insert(
+            rideId: rideId,
+            startTime: now.subtract(const Duration(minutes: 10)),
+            durationSeconds: const drift.Value(600),
+            totalSamples: const drift.Value(12000),
+            validSamples: const drift.Value(11980),
+            suspectSamples: const drift.Value(15),
+            rejectedSamples: const drift.Value(5),
+            validPercentage: const drift.Value(99.8),
+            suspectPercentage: const drift.Value(0.1),
+            rejectedPercentage: const drift.Value(0.1),
+            gpsFixCount: const drift.Value(11950),
+            gpsStaleEventCount: const drift.Value(2),
+            gpsJumpRejectCount: const drift.Value(1),
+            telemetryGapCount: const drift.Value(0),
+            imuSaturationCount: const drift.Value(0),
+            accelerationEventCount: const drift.Value(4),
+            brakingEventCount: const drift.Value(3),
+            zeroTo60Count: const drift.Value(1),
+            zeroTo100Count: const drift.Value(0),
+            databaseSamplesWritten: const drift.Value(12000),
+            databaseSamplesLost: const drift.Value(0),
+            eventCount: const drift.Value(10),
+            rideQualityScore: const drift.Value(96),
+            rideQualityRating: const drift.Value('EXCELLENT'),
+          ),
+        );
+
+        await tester.pumpWidget(
+          buildTestHost(
+            child: FieldTestReportScreen(rideId: rideId),
+          ),
+        );
+        await tester.pump();
+        await tester.pump(const Duration(milliseconds: 100));
+
+        expect(find.text('FIELD TEST RESULT'), findsOneWidget);
+        expect(find.text('EXCELLENT'), findsOneWidget);
+        expect(find.text('96'), findsOneWidget);
+        expect(find.text('SENSOR HEALTH & PIPELINE'), findsOneWidget);
+        expect(find.text('PERFORMANCE SPRINT METRICS'), findsOneWidget);
+        expect(find.text('FORENSIC EVENT TIMELINE'), findsOneWidget);
+        expect(tester.takeException(), isNull);
+      });
+    }
+  });
+
+  group('Canonical 9-Viewport FieldTestPreRideCheckScreen Responsive Tests', () {
+    for (final entry in canonicalViewports.entries) {
+      testWidgets('renders cleanly on ${entry.key}', (tester) async {
+        tester.view.physicalSize = entry.value;
+        tester.view.devicePixelRatio = 1.0;
+        addTearDown(() => tester.view.resetPhysicalSize());
+
+        await tester.pumpWidget(
+          buildTestHost(
+            child: const FieldTestPreRideCheckScreen(),
+          ),
+        );
+        await tester.pump();
+        await tester.pump(const Duration(seconds: 1));
+
+        expect(find.text('Field Test Pre-Ride Check'), findsOneWidget);
+        expect(find.text('REQUIRED SYSTEM CHECKS'), findsOneWidget);
+        expect(find.text('RECOMMENDED PRE-FLIGHT CHECKS'), findsOneWidget);
+        expect(find.text('SQLite Database Storage'), findsOneWidget);
+        expect(find.text('Drift SQLite Storage verified'), findsOneWidget);
+        expect(tester.takeException(), isNull);
+      });
+    }
+  });
+
+  group('Field Test Active Session & State Preservation Across Viewport & Theme', () {
+    testWidgets('preserves active logging session when resized and theme changed', (tester) async {
+      tester.view.physicalSize = const Size(400, 800);
+      tester.view.devicePixelRatio = 1.0;
+      addTearDown(() => tester.view.resetPhysicalSize());
+
+      final testLogger = FieldTestLogger(db);
+
+      testLogger.startSession(77);
+      testLogger.log(
+        eventType: FieldTestEventType.sampleAccepted,
+        severity: EventSeverity.info,
+        message: 'Telemetry sample 20Hz accepted',
+      );
+
+      final container = ProviderContainer(
+        overrides: [
+          sharedPreferencesProvider.overrideWithValue(prefs),
+          databaseProvider.overrideWithValue(db),
+          fieldTestLoggerProvider.overrideWithValue(testLogger),
+          githubSyncServiceProvider.overrideWith((ref) => _FakeGitHubSyncService()),
+        ],
+      );
+
+      await tester.pumpWidget(
+        UncontrolledProviderScope(
+          container: container,
+          child: Consumer(
+            builder: (context, ref, _) {
+              final themeMode = ref.watch(appThemeModeProvider);
+              return MaterialApp(
+                themeMode: themeMode,
+                theme: AppTheme.lightTheme,
+                darkTheme: AppTheme.darkTheme,
+                home: const FieldTestLiveLogScreen(),
+              );
+            },
+          ),
+        ),
+      );
+      await tester.pump();
+      await tester.pump(const Duration(milliseconds: 100));
+
+      expect(find.text('RECORDING (Ride #77)'), findsOneWidget);
+      expect(find.text('Telemetry sample 20Hz accepted'), findsOneWidget);
+
+      // Resize viewport to landscape tablet
+      tester.view.physicalSize = const Size(1024, 768);
+      await tester.pump();
+      await tester.pump(const Duration(milliseconds: 100));
+
+      expect(find.text('RECORDING (Ride #77)'), findsOneWidget);
+      expect(find.text('Telemetry sample 20Hz accepted'), findsOneWidget);
+
+      // Toggle Theme Mode to Light
+      container.read(appThemeModeProvider.notifier).setThemeMode(ThemeMode.light);
+      await tester.pump();
+      await tester.pump(const Duration(milliseconds: 100));
+
+      expect(find.text('RECORDING (Ride #77)'), findsOneWidget);
+      expect(find.text('Telemetry sample 20Hz accepted'), findsOneWidget);
+
+      // Toggle Theme Mode back to Dark
+      container.read(appThemeModeProvider.notifier).setThemeMode(ThemeMode.dark);
+      await tester.pump();
+      await tester.pump(const Duration(milliseconds: 100));
+
+      expect(find.text('RECORDING (Ride #77)'), findsOneWidget);
+      expect(find.text('Telemetry sample 20Hz accepted'), findsOneWidget);
+
+      testLogger.dispose();
+      container.dispose();
+    });
+  });
+}