Add TV-friendly Hijri offset control and fix admin schedule scrolling

lib/data/local/models.dart

@@ -120,6 +120,10 @@ class AppSettings extends HiveObject {
   @HiveField(30)
   double scaleRunningText;
 
+  // Manual day adjustment applied to displayed Hijri date.
+  @HiveField(31)
+  int hijriOffsetDays;
+
   AppSettings({
     this.masjidName = 'Masjid Al-Ikhlas',
     this.masjidAddress = 'Jl. Kebaikan No. 1',
@@ -155,6 +159,7 @@ class AppSettings extends HiveObject {
     this.scaleCardLabel = 1.0,
     this.scaleCardBody = 1.0,
     this.scaleRunningText = 1.0,
+    this.hijriOffsetDays = 0,
   });
 
   AppSettings copyWith({
@@ -189,6 +194,7 @@ class AppSettings extends HiveObject {
     double? scaleCardLabel,
     double? scaleCardBody,
     double? scaleRunningText,
+    int? hijriOffsetDays,
   }) {
     return AppSettings(
       masjidName: masjidName ?? this.masjidName,
@@ -222,6 +228,7 @@ class AppSettings extends HiveObject {
       scaleCardLabel: scaleCardLabel ?? this.scaleCardLabel,
       scaleCardBody: scaleCardBody ?? this.scaleCardBody,
       scaleRunningText: scaleRunningText ?? this.scaleRunningText,
+      hijriOffsetDays: hijriOffsetDays ?? this.hijriOffsetDays,
     );
   }
 }
@@ -270,13 +277,14 @@ class AppSettingsAdapter extends TypeAdapter<AppSettings> {
       scaleCardLabel: (fields[28] as num?)?.toDouble() ?? 1.0,
       scaleCardBody: (fields[29] as num?)?.toDouble() ?? 1.0,
       scaleRunningText: (fields[30] as num?)?.toDouble() ?? 1.0,
+      hijriOffsetDays: fields[31] as int? ?? 0,
     );
   }
 
   @override
   void write(BinaryWriter writer, AppSettings obj) {
     writer
-      ..writeByte(31)
+      ..writeByte(32)
       ..writeByte(0)..write(obj.masjidName)
       ..writeByte(1)..write(obj.masjidAddress)
       ..writeByte(2)..write(obj.cityIdApi)
@@ -307,7 +315,8 @@ class AppSettingsAdapter extends TypeAdapter<AppSettings> {
       ..writeByte(27)..write(obj.marqueeAnimType)
       ..writeByte(28)..write(obj.scaleCardLabel)
       ..writeByte(29)..write(obj.scaleCardBody)
-      ..writeByte(30)..write(obj.scaleRunningText);
+      ..writeByte(30)..write(obj.scaleRunningText)
+      ..writeByte(31)..write(obj.hijriOffsetDays);
   }
 }
 

lib/features/admin/admin_screen.dart

@@ -56,6 +56,7 @@ class _AdminScreenState extends ConsumerState<AdminScreen> {
   final _iqomahAsharCtrl = TextEditingController();
   final _iqomahMaghribCtrl = TextEditingController();
   final _iqomahIsyaCtrl = TextEditingController();
+  int _hijriOffsetDays = 0;
 
   @override
   void initState() {
@@ -94,6 +95,7 @@ class _AdminScreenState extends ConsumerState<AdminScreen> {
     _iqomahAsharCtrl.text = settings.iqomahAshar.toString();
     _iqomahMaghribCtrl.text = settings.iqomahMaghrib.toString();
     _iqomahIsyaCtrl.text = settings.iqomahIsya.toString();
+    _hijriOffsetDays = settings.hijriOffsetDays;
     
     // Update preview live as admin types
     _khatibCtrl.addListener(() => setState(() {}));
@@ -184,6 +186,26 @@ class _AdminScreenState extends ConsumerState<AdminScreen> {
     }
   }
 
+  Future<void> _saveHijriSettings() async {
+    await ref.read(settingsProvider.notifier).updateSettings((s) {
+      s.hijriOffsetDays = _hijriOffsetDays;
+      return s;
+    });
+
+    if (mounted) {
+      ref.invalidate(hijriDateProvider);
+      ScaffoldMessenger.of(context).showSnackBar(
+        SnackBar(
+          content: Text(
+            'Offset Hijriah disimpan: ${_hijriOffsetDays >= 0 ? '+' : ''}$_hijriOffsetDays hari',
+            style: GoogleFonts.manrope(),
+          ),
+          backgroundColor: SacredColors.primaryContainer,
+        ),
+      );
+    }
+  }
+
   Future<void> _syncData() async {
     setState(() => _isSyncing = true);
     final success = await SyncService.instance.syncMonthlyData();
@@ -1061,8 +1083,10 @@ class _AdminScreenState extends ConsumerState<AdminScreen> {
   Widget _buildJadwalTab(double s) {
     final settings = ref.watch(settingsProvider);
     final todayScheduleOption = ref.watch(todayScheduleProvider);
+    final displayedHijri = ref.watch(hijriDateProvider).valueOrNull;
     
-    return Column(
+    return SingleChildScrollView(
+      child: Column(
         crossAxisAlignment: CrossAxisAlignment.start,
         children: [
         Text(
@@ -1128,6 +1152,113 @@ class _AdminScreenState extends ConsumerState<AdminScreen> {
         
         SizedBox(height: 64 * s),
 
+        _adminCard(
+          s,
+          child: Column(
+            crossAxisAlignment: CrossAxisAlignment.start,
+            children: [
+              _sectionLabel('Kalender Hijriah', s),
+              SizedBox(height: 8 * s),
+              Text(
+                'Sesuaikan tampilan tanggal Hijriah jika hasil rukyat lokal masjid berbeda dari nilai default API.',
+                style: GoogleFonts.manrope(
+                  fontSize: 14 * s,
+                  color: SacredColors.onSurfaceVariant,
+                ),
+              ),
+              SizedBox(height: 24 * s),
+              Container(
+                width: double.infinity,
+                padding: EdgeInsets.all(24 * s),
+                decoration: BoxDecoration(
+                  color: SacredColors.surfaceContainerHighest.withValues(alpha: 0.3),
+                  borderRadius: BorderRadius.circular(SacredRadii.lg),
+                  border: Border.all(
+                    color: SacredColors.outlineVariant.withValues(alpha: 0.2),
+                  ),
+                ),
+                child: Row(
+                  mainAxisAlignment: MainAxisAlignment.spaceBetween,
+                  children: [
+                    Column(
+                      crossAxisAlignment: CrossAxisAlignment.start,
+                      children: [
+                        Text(
+                          'Tanggal tampil saat ini',
+                          style: GoogleFonts.manrope(
+                            fontSize: 14 * s,
+                            fontWeight: FontWeight.w600,
+                            color: SacredColors.onSurfaceVariant,
+                          ),
+                        ),
+                        SizedBox(height: 8 * s),
+                        Text(
+                          displayedHijri ?? 'Memuat tanggal Hijriah...',
+                          style: GoogleFonts.plusJakartaSans(
+                            fontSize: 28 * s,
+                            fontWeight: FontWeight.w700,
+                            color: SacredColors.onSurface,
+                          ),
+                        ),
+                      ],
+                    ),
+                    Container(
+                      padding: EdgeInsets.symmetric(
+                        horizontal: 16 * s,
+                        vertical: 10 * s,
+                      ),
+                      decoration: BoxDecoration(
+                        color: SacredColors.primary.withValues(alpha: 0.12),
+                        borderRadius: BorderRadius.circular(SacredRadii.full),
+                      ),
+                      child: Text(
+                        'Offset ${_hijriOffsetDays >= 0 ? '+' : ''}$_hijriOffsetDays hari',
+                        style: GoogleFonts.plusJakartaSans(
+                          fontSize: 16 * s,
+                          fontWeight: FontWeight.w700,
+                          color: SacredColors.primary,
+                        ),
+                      ),
+                    ),
+                  ],
+                ),
+              ),
+              SizedBox(height: 20 * s),
+              _buildHijriOffsetControl(s),
+              SizedBox(height: 16 * s),
+              Row(
+                children: [
+                  OutlinedButton.icon(
+                    onPressed: () {
+                      setState(() {
+                        _hijriOffsetDays = 0;
+                      });
+                    },
+                    icon: const Icon(Icons.refresh),
+                    label: const Text('RESET OFFSET'),
+                  ),
+                  SizedBox(width: 16 * s),
+                  ElevatedButton.icon(
+                    onPressed: _saveHijriSettings,
+                    style: ElevatedButton.styleFrom(
+                      backgroundColor: SacredColors.primary,
+                      foregroundColor: SacredColors.onPrimary,
+                      padding: EdgeInsets.symmetric(
+                        horizontal: 28 * s,
+                        vertical: 18 * s,
+                      ),
+                    ),
+                    icon: const Icon(Icons.save_rounded),
+                    label: const Text('SIMPAN OFFSET HIJRIAH'),
+                  ),
+                ],
+              ),
+            ],
+          ),
+        ),
+
+        SizedBox(height: 64 * s),
+
         // Jeda Waktu Iqamah Settings Card
         _adminCard(s, child: Column(
           crossAxisAlignment: CrossAxisAlignment.start,
@@ -1187,12 +1318,14 @@ class _AdminScreenState extends ConsumerState<AdminScreen> {
         SizedBox(height: 32 * s),
         
         // Schedule Grid
-        Expanded(
+        Builder(
-          child: Builder(
           builder: (context) {
             if (todayScheduleOption == null) {
-                return Center(
+              return Padding(
+                padding: EdgeInsets.symmetric(vertical: 24 * s),
+                child: Center(
                   child: Text('Data jadwal kosong. Silakan lakukan sinkronisasi.', style: GoogleFonts.manrope(fontSize: 24 * s, color: SacredColors.error)),
+                ),
               );
             }
             
@@ -1208,6 +1341,8 @@ class _AdminScreenState extends ConsumerState<AdminScreen> {
             };
             
             return GridView.builder(
+              shrinkWrap: true,
+              physics: const NeverScrollableScrollPhysics(),
               gridDelegate: SliverGridDelegateWithFixedCrossAxisCount(
                 crossAxisCount: 4,
                 crossAxisSpacing: 24 * s,
@@ -1223,8 +1358,178 @@ class _AdminScreenState extends ConsumerState<AdminScreen> {
             );
           },
         ),
-        )
+        SizedBox(height: 32 * s),
       ],
+      ),
+    );
+  }
+
+  Widget _buildHijriOffsetControl(double s) {
+    const minOffset = -3;
+    const maxOffset = 3;
+    final valueLabel =
+        '${_hijriOffsetDays >= 0 ? '+' : ''}$_hijriOffsetDays hari';
+    final progress = (_hijriOffsetDays - minOffset) / (maxOffset - minOffset);
+
+    return Container(
+      padding: EdgeInsets.all(16 * s),
+      decoration: BoxDecoration(
+        color: SacredColors.surfaceContainerLowest,
+        borderRadius: BorderRadius.circular(SacredRadii.md),
+        border: Border.all(
+          color: SacredColors.outlineVariant.withValues(alpha: 0.25),
+        ),
+      ),
+      child: Column(
+        crossAxisAlignment: CrossAxisAlignment.start,
+        children: [
+          Row(
+            mainAxisAlignment: MainAxisAlignment.spaceBetween,
+            children: [
+              Expanded(
+                child: Text(
+                  'Offset Hari Hijriah',
+                  style: GoogleFonts.manrope(
+                    fontSize: 15 * s,
+                    fontWeight: FontWeight.w500,
+                    color: SacredColors.onSurface,
+                  ),
+                ),
+              ),
+              Container(
+                padding: EdgeInsets.symmetric(
+                  horizontal: 14 * s,
+                  vertical: 5 * s,
+                ),
+                decoration: BoxDecoration(
+                  color: SacredColors.primary.withValues(alpha: 0.15),
+                  borderRadius: BorderRadius.circular(SacredRadii.sm),
+                ),
+                child: Text(
+                  valueLabel,
+                  style: GoogleFonts.manrope(
+                    fontSize: 16 * s,
+                    fontWeight: FontWeight.w800,
+                    color: SacredColors.primary,
+                  ),
+                ),
+              ),
+            ],
+          ),
+          SizedBox(height: 14 * s),
+          Row(
+            children: [
+              _tvStepBtn(
+                s: s,
+                label: '−',
+                onPressed: () {
+                  setState(() {
+                    _hijriOffsetDays =
+                        (_hijriOffsetDays - 1).clamp(minOffset, maxOffset);
+                  });
+                },
+              ),
+              SizedBox(width: 10 * s),
+              Expanded(
+                child: Stack(
+                  alignment: Alignment.centerLeft,
+                  children: [
+                    Container(
+                      height: 6 * s,
+                      decoration: BoxDecoration(
+                        color: SacredColors.outlineVariant.withValues(alpha: 0.2),
+                        borderRadius: BorderRadius.circular(3 * s),
+                      ),
+                    ),
+                    FractionallySizedBox(
+                      widthFactor: progress.clamp(0.0, 1.0),
+                      child: Container(
+                        height: 6 * s,
+                        decoration: BoxDecoration(
+                          color: SacredColors.primary,
+                          borderRadius: BorderRadius.circular(3 * s),
+                        ),
+                      ),
+                    ),
+                  ],
+                ),
+              ),
+              SizedBox(width: 10 * s),
+              _tvStepBtn(
+                s: s,
+                label: '+',
+                onPressed: () {
+                  setState(() {
+                    _hijriOffsetDays =
+                        (_hijriOffsetDays + 1).clamp(minOffset, maxOffset);
+                  });
+                },
+              ),
+            ],
+          ),
+          SizedBox(height: 12 * s),
+          Row(
+            children: [
+              Text(
+                'Preset:  ',
+                style: GoogleFonts.manrope(
+                  fontSize: 12 * s,
+                  color: SacredColors.onSurfaceVariant,
+                ),
+              ),
+              ...[-2, -1, 0, 1, 2].map((offset) {
+                final isActive = _hijriOffsetDays == offset;
+                final label = '${offset >= 0 ? '+' : ''}$offset';
+                return Padding(
+                  padding: EdgeInsets.only(right: 8 * s),
+                  child: InkWell(
+                    focusColor: SacredColors.primary.withValues(alpha: 0.3),
+                    borderRadius: BorderRadius.circular(SacredRadii.sm),
+                    onTap: () => setState(() => _hijriOffsetDays = offset),
+                    child: Container(
+                      padding: EdgeInsets.symmetric(
+                        horizontal: 12 * s,
+                        vertical: 6 * s,
+                      ),
+                      decoration: BoxDecoration(
+                        color: isActive
+                            ? SacredColors.primary
+                            : SacredColors.surfaceContainerHighest,
+                        borderRadius: BorderRadius.circular(SacredRadii.sm),
+                        border: isActive
+                            ? null
+                            : Border.all(
+                                color: SacredColors.outlineVariant.withValues(
+                                  alpha: 0.3,
+                                ),
+                              ),
+                      ),
+                      child: Text(
+                        label,
+                        style: GoogleFonts.manrope(
+                          fontSize: 13 * s,
+                          fontWeight: FontWeight.w600,
+                          color: isActive
+                              ? SacredColors.onPrimary
+                              : SacredColors.onSurfaceVariant,
+                        ),
+                      ),
+                    ),
+                  ),
+                );
+              }),
+            ],
+          ),
+          SizedBox(height: 6 * s),
+          Text(
+            'TV Remote: fokus ke tombol − atau + lalu tekan OK untuk ubah satu hari.',
+            style: GoogleFonts.manrope(
+              fontSize: 11 * s,
+              color: SacredColors.onSurfaceVariant.withValues(alpha: 0.7),
+            ),
+          ),
+        ],
+      ),
     );
   }
 

lib/providers.dart

@@ -79,7 +79,10 @@ final todayScheduleProvider = Provider<DailyPrayerSchedule?>((ref) {
 
 final hijriDateProvider = FutureProvider<String>((ref) async {
   final clock = ref.watch(clockProvider).valueOrNull ?? DateTime.now();
-  final dateOnly = DateTime(clock.year, clock.month, clock.day);
+  final hijriOffsetDays =
+      ref.watch(settingsProvider.select((s) => s.hijriOffsetDays));
+  final dateOnly = DateTime(clock.year, clock.month, clock.day)
+      .add(Duration(days: hijriOffsetDays));
 
   try {
     return await HijriCalendarService.instance.getHijriLabel(dateOnly);