Actualizacion del programa

lib/screens/admin/admin_dashboard_screen.dart

@@ -1,3 +1,4 @@
+import 'dart:io';
 import 'package:flutter/material.dart';
 import 'package:provider/provider.dart';
 import '../../core/app_colors.dart';
@@ -8,6 +9,10 @@ import '../../models/models.dart';
 import '../../data/routes_data.dart';
 import '../../models/route_model.dart' show ColonyModel;
 import 'create_route_screen.dart';
+import 'admin_stats_screen.dart';
+import 'manage_conductors_screen.dart';
+import 'export_pdf_screen.dart';
+import '../../screens/settings_screen.dart';
 import '../../widgets/route_map_widget.dart';
 
 class AdminDashboardScreen extends StatefulWidget {
@@ -27,6 +32,7 @@ class _AdminDashboardScreenState extends State<AdminDashboardScreen> {
       _AdminHomeTab(sim:sim, auth:auth),
       _AdminMapTab(sim:sim),
       _AdminReportesTab(),
+      _AdminConductoresTab(),
       _AdminAssignmentsTab(),
       _AdminAlertasTab(sim:sim),
       _AdminRoutesTab(),
@@ -136,6 +142,15 @@ class _AdminHomeTabState extends State<_AdminHomeTab> {
             child: Container(height: 4, color: AppColors.dorado)),
         title: const Text('Panel Administrador', style: TextStyle(fontWeight: FontWeight.bold)),
         actions: [
+          IconButton(icon: const Icon(Icons.picture_as_pdf), tooltip: 'Exportar PDF',
+              onPressed: () => Navigator.push(context,
+                  MaterialPageRoute(builder: (_) => const ExportPdfScreen()))),
+          IconButton(icon: const Icon(Icons.bar_chart), tooltip: 'Estadisticas',
+              onPressed: () => Navigator.push(context,
+                  MaterialPageRoute(builder: (_) => const AdminStatsScreen()))),
+          IconButton(icon: const Icon(Icons.settings_outlined), tooltip: 'Configuracion',
+              onPressed: () => Navigator.push(context,
+                  MaterialPageRoute(builder: (_) => const SettingsScreen()))),
           IconButton(icon: const Icon(Icons.refresh), onPressed: _load),
           IconButton(icon: const Icon(Icons.logout),
             onPressed: () async { await widget.auth.logout();
@@ -431,6 +446,7 @@ class _AdminReportesTabState extends State<_AdminReportesTab> {
             final routeId = r['route_id']??'';
             final estado  = r['estado']??'PENDIENTE';
             final id      = r['id'] as int?;
+            final fotoPath = r['foto_path'] as String?;
             return Card(margin:const EdgeInsets.only(bottom:8),
               child:Padding(padding:const EdgeInsets.all(12),child:Column(
                 crossAxisAlignment:CrossAxisAlignment.start, children:[
@@ -455,6 +471,12 @@ class _AdminReportesTabState extends State<_AdminReportesTab> {
                 const SizedBox(height:6),
                 Text(_tipos[tipo]??tipo,style:const TextStyle(fontWeight:FontWeight.w600,fontSize:13)),
                 Text(r['descripcion']??'',style:const TextStyle(fontSize:12,color:AppColors.grisTexto)),
+                if (fotoPath != null && fotoPath.isNotEmpty) ...[
+                  const SizedBox(height:6),
+                  ClipRRect(borderRadius:BorderRadius.circular(6),
+                    child:Image.file(File(fotoPath), height:100, width:double.infinity,
+                        fit:BoxFit.cover)),
+                ],
                 const SizedBox(height:6),
                 Row(children:[
                   Text('⭐'*calif,style:const TextStyle(fontSize:11)),
@@ -793,6 +815,25 @@ class _AdminBanner extends StatelessWidget {
       ]))));
 }
 
+
+// ── TAB Conductores (delega a ManageConductorsScreen) ────────────────────
+class _AdminConductoresTab extends StatelessWidget {
+  @override
+  Widget build(BuildContext context) => Scaffold(
+    appBar: AppBar(automaticallyImplyLeading: false,
+      backgroundColor: AppColors.verdeAdmin, foregroundColor: Colors.white,
+      title: const Text('Gestión de Conductores'),
+      bottom: PreferredSize(preferredSize: const Size.fromHeight(4),
+          child: Container(height: 4, color: AppColors.dorado)),
+      actions: [
+        IconButton(icon: const Icon(Icons.open_in_full),
+          tooltip: 'Ver en pantalla completa',
+          onPressed: () => Navigator.push(context,
+              MaterialPageRoute(builder: (_) => const ManageConductorsScreen()))),
+      ]),
+    body: const ManageConductorsScreen());
+}
+
 // ── TAB 6: Gestión de Rutas ───────────────────────────────────────────────
 class _AdminRoutesTab extends StatefulWidget {
   @override State<_AdminRoutesTab> createState() => _AdminRoutesTabState();

lib/screens/admin/admin_stats_screen.dart

@@ -0,0 +1,262 @@
+import 'package:flutter/material.dart';
+import 'package:fl_chart/fl_chart.dart';
+import '../../core/app_colors.dart';
+import '../../database/db_helper.dart';
+
+class AdminStatsScreen extends StatefulWidget {
+  const AdminStatsScreen({super.key});
+  @override State<AdminStatsScreen> createState() => _AdminStatsScreenState();
+}
+
+class _AdminStatsScreenState extends State<AdminStatsScreen> {
+  Map<String, dynamic> _stats = {};
+  List<Map<String, dynamic>> _byColonia = [];
+  List<Map<String, dynamic>> _byRoute   = [];
+  List<Map<String, dynamic>> _byWeek    = [];
+  bool _loading = true;
+
+  @override void initState() { super.initState(); _load(); }
+
+  Future<void> _load() async {
+    final s  = await DbHelper.getAdminStats();
+    final bc = await DbHelper.getReportesByColonia();
+    final br = await DbHelper.getIncidentesByRoute();
+    final bw = await DbHelper.getRatingByWeek();
+    if (mounted) setState(() {
+      _stats = s; _byColonia = bc; _byRoute = br; _byWeek = bw; _loading = false;
+    });
+  }
+
+  @override
+  Widget build(BuildContext context) => Scaffold(
+    backgroundColor: AppColors.grisFondo,
+    appBar: AppBar(
+      backgroundColor: AppColors.verdeAdmin, foregroundColor: Colors.white,
+      title: const Text('Dashboard de Estadisticas'),
+      bottom: PreferredSize(preferredSize: const Size.fromHeight(4),
+          child: Container(height: 4, color: AppColors.dorado)),
+      actions: [IconButton(icon: const Icon(Icons.refresh), onPressed: _load)],
+    ),
+    body: _loading
+        ? const Center(child: CircularProgressIndicator())
+        : SingleChildScrollView(padding: const EdgeInsets.all(14), child: Column(
+            crossAxisAlignment: CrossAxisAlignment.start, children: [
+
+          // KPIs
+          Row(children: [
+            _KpiCard('Reportes', '${_stats['total_reportes']}',
+                Icons.report, AppColors.naranjaAlerta),
+            const SizedBox(width: 8),
+            _KpiCard('Calificacion Prom.',
+                (_stats['avg_rating'] as double? ?? 0).toStringAsFixed(1),
+                Icons.star, Colors.amber),
+          ]),
+          const SizedBox(height: 8),
+          Row(children: [
+            _KpiCard('Alertas Activas', '${_stats['alertas_activas']}',
+                Icons.warning, AppColors.rojoError),
+            const SizedBox(width: 8),
+            _KpiCard('Conductores', '${_stats['total_conductores']}',
+                Icons.person, AppColors.moradoConductor),
+          ]),
+          const SizedBox(height: 20),
+
+          // Calificacion por semana (línea)
+          if (_byWeek.isNotEmpty) ...[
+            _SectionTitle('Calificacion promedio semanal'),
+            const SizedBox(height: 8),
+            Card(child: Padding(padding: const EdgeInsets.all(16),
+              child: SizedBox(height: 180,
+                child: LineChart(LineChartData(
+                  minY: 1, maxY: 5,
+                  titlesData: FlTitlesData(
+                    leftTitles: AxisTitles(sideTitles: SideTitles(
+                        showTitles: true, interval: 1,
+                        getTitlesWidget: (v,_) => Text(v.toInt().toString(),
+                            style: const TextStyle(fontSize: 10)))),
+                    bottomTitles: AxisTitles(sideTitles: SideTitles(
+                        showTitles: true,
+                        getTitlesWidget: (v, _) {
+                          final idx = v.toInt();
+                          if (idx < 0 || idx >= _byWeek.length) return const SizedBox();
+                          return Text('S${_byWeek.length - idx}',
+                              style: const TextStyle(fontSize: 9));
+                        })),
+                    topTitles: const AxisTitles(sideTitles: SideTitles(showTitles: false)),
+                    rightTitles: const AxisTitles(sideTitles: SideTitles(showTitles: false)),
+                  ),
+                  gridData: FlGridData(drawHorizontalLine: true, horizontalInterval: 1),
+                  borderData: FlBorderData(show: true,
+                      border: Border.all(color: Colors.grey.shade300)),
+                  lineBarsData: [LineChartBarData(
+                    spots: _byWeek.reversed.toList().asMap().entries.map((e) =>
+                        FlSpot(e.key.toDouble(),
+                            (e.value['promedio'] as num? ?? 0).toDouble().clamp(1.0, 5.0))).toList(),
+                    isCurved: true,
+                    color: AppColors.verdeAdmin,
+                    barWidth: 3,
+                    belowBarData: BarAreaData(show: true,
+                        color: AppColors.verdeAdmin.withOpacity(0.1)),
+                    dotData: const FlDotData(show: true),
+                  )],
+                ))))),
+            const SizedBox(height: 20),
+          ],
+
+          // Reportes por colonia (barras horizontales)
+          if (_byColonia.isNotEmpty) ...[
+            _SectionTitle('Reportes por colonia (Top 10)'),
+            const SizedBox(height: 8),
+            Card(child: Padding(padding: const EdgeInsets.all(16),
+              child: SizedBox(height: 240,
+                child: BarChart(BarChartData(
+                  alignment: BarChartAlignment.spaceAround,
+                  maxY: (_byColonia.map((c) => (c['total'] as int? ?? 0).toDouble())
+                      .reduce((a,b)=>a>b?a:b) * 1.2),
+                  titlesData: FlTitlesData(
+                    bottomTitles: AxisTitles(sideTitles: SideTitles(
+                        showTitles: true, reservedSize: 32,
+                        getTitlesWidget: (v, _) {
+                          final i = v.toInt();
+                          if (i < 0 || i >= _byColonia.length) return const SizedBox();
+                          final name = (_byColonia[i]['colonia'] as String? ?? '');
+                          return Transform.rotate(angle: -0.5,
+                              child: Text(name.length > 8 ? '${name.substring(0,8)}.' : name,
+                                  style: const TextStyle(fontSize: 8)));
+                        })),
+                    leftTitles: AxisTitles(sideTitles: SideTitles(showTitles: true,
+                        getTitlesWidget: (v,_) => Text(v.toInt().toString(),
+                            style: const TextStyle(fontSize: 9)))),
+                    topTitles: const AxisTitles(sideTitles: SideTitles(showTitles: false)),
+                    rightTitles: const AxisTitles(sideTitles: SideTitles(showTitles: false)),
+                  ),
+                  barGroups: _byColonia.asMap().entries.map((e) => BarChartGroupData(
+                    x: e.key,
+                    barRods: [
+                      BarChartRodData(
+                          toY: (e.value['total'] as int? ?? 0).toDouble(),
+                          color: AppColors.guindaPrimary,
+                          width: 16, borderRadius: BorderRadius.circular(4)),
+                      BarChartRodData(
+                          toY: (e.value['resueltos'] as int? ?? 0).toDouble(),
+                          color: AppColors.verdeExito,
+                          width: 16, borderRadius: BorderRadius.circular(4)),
+                    ],
+                  )).toList(),
+                  gridData: const FlGridData(drawHorizontalLine: true),
+                  borderData: FlBorderData(show: true,
+                      border: Border.all(color: Colors.grey.shade300)),
+                ))))),
+            Padding(padding: const EdgeInsets.symmetric(vertical: 6),
+              child: Row(children: [
+                _Legend(AppColors.guindaPrimary, 'Total reportes'),
+                const SizedBox(width: 16),
+                _Legend(AppColors.verdeExito, 'Resueltos'),
+              ])),
+            const SizedBox(height: 20),
+          ],
+
+          // Rutas con más incidentes
+          if (_byRoute.isNotEmpty) ...[
+            _SectionTitle('Rutas con mas incidentes'),
+            const SizedBox(height: 8),
+            Card(child: Padding(padding: const EdgeInsets.all(16),
+              child: SizedBox(height: 200,
+                child: BarChart(BarChartData(
+                  alignment: BarChartAlignment.spaceAround,
+                  maxY: (_byRoute.map((r) => (r['total'] as int? ?? 0).toDouble())
+                      .reduce((a,b)=>a>b?a:b) * 1.3),
+                  titlesData: FlTitlesData(
+                    bottomTitles: AxisTitles(sideTitles: SideTitles(
+                        showTitles: true, reservedSize: 28,
+                        getTitlesWidget: (v, _) {
+                          final i = v.toInt();
+                          if (i < 0 || i >= _byRoute.length) return const SizedBox();
+                          return Text((_byRoute[i]['route_id'] as String? ?? '').replaceAll('RUTA-','R'),
+                              style: const TextStyle(fontSize: 9));
+                        })),
+                    leftTitles: AxisTitles(sideTitles: SideTitles(showTitles: true,
+                        getTitlesWidget: (v,_) => Text(v.toInt().toString(),
+                            style: const TextStyle(fontSize: 9)))),
+                    topTitles: const AxisTitles(sideTitles: SideTitles(showTitles: false)),
+                    rightTitles: const AxisTitles(sideTitles: SideTitles(showTitles: false)),
+                  ),
+                  barGroups: _byRoute.asMap().entries.map((e) => BarChartGroupData(
+                    x: e.key,
+                    barRods: [BarChartRodData(
+                        toY: (e.value['total'] as int? ?? 0).toDouble(),
+                        gradient: const LinearGradient(
+                            colors: [AppColors.naranjaAlerta, AppColors.rojoError],
+                            begin: Alignment.bottomCenter, end: Alignment.topCenter),
+                        width: 20, borderRadius: BorderRadius.circular(4))],
+                  )).toList(),
+                  gridData: const FlGridData(drawHorizontalLine: true),
+                  borderData: FlBorderData(show: true,
+                      border: Border.all(color: Colors.grey.shade300)),
+                ))))),
+            const SizedBox(height: 20),
+          ],
+
+          // Colonias más problemáticas (lista)
+          _SectionTitle('Colonias mas problematicas'),
+          const SizedBox(height: 8),
+          Card(child: Column(children: [
+            ..._byColonia.take(5).map((c) {
+              final total = (c['total'] as int? ?? 0);
+              final resueltos = (c['resueltos'] as int? ?? 0);
+              final pct = total > 0 ? resueltos / total : 0.0;
+              return ListTile(dense: true,
+                leading: CircleAvatar(radius: 16,
+                  backgroundColor: total > 3 ? AppColors.rojoError.withOpacity(0.15)
+                      : AppColors.naranjaAlerta.withOpacity(0.15),
+                  child: Text('$total', style: TextStyle(fontSize: 12, fontWeight: FontWeight.bold,
+                      color: total > 3 ? AppColors.rojoError : AppColors.naranjaAlerta))),
+                title: Text(c['colonia'] as String? ?? '',
+                    style: const TextStyle(fontSize: 12, fontWeight: FontWeight.w600)),
+                subtitle: LinearProgressIndicator(value: pct,
+                    backgroundColor: Colors.grey.shade200,
+                    valueColor: const AlwaysStoppedAnimation<Color>(AppColors.verdeExito)),
+                trailing: Text('${(pct*100).toInt()}% resuelto',
+                    style: const TextStyle(fontSize: 10, color: AppColors.grisTexto)),
+              );
+            }),
+          ])),
+          const SizedBox(height: 30),
+        ])),
+  );
+}
+
+class _KpiCard extends StatelessWidget {
+  final String label, value; final IconData icon; final Color color;
+  const _KpiCard(this.label, this.value, this.icon, this.color);
+  @override
+  Widget build(BuildContext context) => Expanded(child: Card(child: Padding(
+    padding: const EdgeInsets.all(14), child: Row(children: [
+      CircleAvatar(radius: 22, backgroundColor: color.withOpacity(0.12),
+          child: Icon(icon, color: color, size: 22)),
+      const SizedBox(width: 10),
+      Column(crossAxisAlignment: CrossAxisAlignment.start, children: [
+        Text(value, style: TextStyle(fontSize: 22, fontWeight: FontWeight.bold, color: color)),
+        Text(label, style: const TextStyle(fontSize: 10, color: AppColors.grisTexto)),
+      ]),
+    ]))));
+}
+
+class _SectionTitle extends StatelessWidget {
+  final String title;
+  const _SectionTitle(this.title);
+  @override
+  Widget build(BuildContext context) => Text(title,
+      style: const TextStyle(fontWeight: FontWeight.bold, fontSize: 15, color: AppColors.verdeAdmin));
+}
+
+class _Legend extends StatelessWidget {
+  final Color color; final String label;
+  const _Legend(this.color, this.label);
+  @override
+  Widget build(BuildContext context) => Row(mainAxisSize: MainAxisSize.min, children: [
+    Container(width: 12, height: 12, decoration: BoxDecoration(color: color, borderRadius: BorderRadius.circular(2))),
+    const SizedBox(width: 4),
+    Text(label, style: const TextStyle(fontSize: 11, color: AppColors.grisTexto)),
+  ]);
+}

lib/screens/admin/export_pdf_screen.dart

@@ -0,0 +1,244 @@
+import 'dart:io';
+import 'package:flutter/material.dart';
+import 'package:path_provider/path_provider.dart';
+import 'package:pdf/pdf.dart';
+import 'package:pdf/widgets.dart' as pw;
+import 'package:share_plus/share_plus.dart';
+import '../../core/app_colors.dart';
+import '../../database/db_helper.dart';
+
+class ExportPdfScreen extends StatefulWidget {
+  const ExportPdfScreen({super.key});
+  @override State<ExportPdfScreen> createState() => _ExportPdfScreenState();
+}
+
+class _ExportPdfScreenState extends State<ExportPdfScreen> {
+  bool _generating = false;
+  String? _lastPath;
+
+  pw.TableRow _pdfRow(String label, String value, {bool isHeader = false}) =>
+      pw.TableRow(
+        decoration: isHeader ? pw.BoxDecoration(color: PdfColors.grey100) : null,
+        children: [
+          pw.Padding(padding: const pw.EdgeInsets.all(6),
+              child: pw.Text(label, style: pw.TextStyle(
+                  fontSize: 10, fontWeight: isHeader ? pw.FontWeight.bold : null))),
+          pw.Padding(padding: const pw.EdgeInsets.all(6),
+              child: pw.Text(value, style: pw.TextStyle(
+                  fontSize: 10, fontWeight: pw.FontWeight.bold))),
+        ]);
+
+  Future<void> _generatePdf() async {
+    setState(() => _generating = true);
+    try {
+      final stats      = await DbHelper.getAdminStats();
+      final colonias   = await DbHelper.getReportesByColonia();
+      final incidentes = await DbHelper.getIncidentesByRoute();
+      final reviews    = await DbHelper.getReviewSummaryByColonia();
+      final now        = DateTime.now();
+      const meses = ['','Enero','Febrero','Marzo','Abril','Mayo','Junio',
+          'Julio','Agosto','Septiembre','Octubre','Noviembre','Diciembre'];
+
+      final pdf = pw.Document();
+      pdf.addPage(pw.MultiPage(
+        pageFormat: PdfPageFormat.a4,
+        margin: const pw.EdgeInsets.all(32),
+        header: (ctx) => pw.Column(children: [
+          pw.Row(mainAxisAlignment: pw.MainAxisAlignment.spaceBetween, children: [
+            pw.Column(crossAxisAlignment: pw.CrossAxisAlignment.start, children: [
+              pw.Text('H. AYUNTAMIENTO DE CELAYA', style: pw.TextStyle(
+                  fontSize: 14, fontWeight: pw.FontWeight.bold,
+                  color: PdfColor.fromHex('6D1E3A'))),
+              pw.Text('Direccion de Servicios Publicos',
+                  style: const pw.TextStyle(fontSize: 11, color: PdfColors.grey700)),
+              pw.Text('Sistema de Recoleccion de Residuos',
+                  style: const pw.TextStyle(fontSize: 10, color: PdfColors.grey600)),
+            ]),
+            pw.Column(crossAxisAlignment: pw.CrossAxisAlignment.end, children: [
+              pw.Text('REPORTE MENSUAL', style: pw.TextStyle(
+                  fontSize: 12, fontWeight: pw.FontWeight.bold,
+                  color: PdfColor.fromHex('6D1E3A'))),
+              pw.Text('${meses[now.month]} ${now.year}',
+                  style: const pw.TextStyle(fontSize: 11)),
+              pw.Text('Generado: ${now.day}/${now.month}/${now.year}',
+                  style: const pw.TextStyle(fontSize: 9, color: PdfColors.grey600)),
+            ]),
+          ]),
+          pw.Divider(color: PdfColor.fromHex('C9A84C'), thickness: 2),
+          pw.SizedBox(height: 8),
+        ]),
+        build: (ctx) => [
+          pw.Text('RESUMEN EJECUTIVO', style: pw.TextStyle(
+              fontSize: 13, fontWeight: pw.FontWeight.bold,
+              color: PdfColor.fromHex('6D1E3A'))),
+          pw.SizedBox(height: 8),
+          pw.Table(
+            border: pw.TableBorder.all(color: PdfColors.grey300),
+            columnWidths: {0: const pw.FlexColumnWidth(2), 1: const pw.FlexColumnWidth(1)},
+            children: [
+              _pdfRow('Total de reportes ciudadanos', '${stats["total_reportes"]}', isHeader: true),
+              _pdfRow('Total de resenas recibidas', '${stats["total_reviews"]}'),
+              _pdfRow('Calificacion promedio',
+                  '${(stats["avg_rating"] as double? ?? 0).toStringAsFixed(2)} / 5.0'),
+              _pdfRow('Alertas activas', '${stats["alertas_activas"]}'),
+              _pdfRow('Conductores', '${stats["total_conductores"]}'),
+            ]),
+          pw.SizedBox(height: 20),
+
+          if (colonias.isNotEmpty) ...[
+            pw.Text('REPORTES POR COLONIA', style: pw.TextStyle(
+                fontSize: 13, fontWeight: pw.FontWeight.bold,
+                color: PdfColor.fromHex('6D1E3A'))),
+            pw.SizedBox(height: 8),
+            pw.Table(
+              border: pw.TableBorder.all(color: PdfColors.grey300),
+              columnWidths: {
+                0: const pw.FlexColumnWidth(3), 1: const pw.FlexColumnWidth(1),
+                2: const pw.FlexColumnWidth(1), 3: const pw.FlexColumnWidth(1),
+              },
+              children: [
+                pw.TableRow(
+                  decoration: pw.BoxDecoration(color: PdfColor.fromHex('6D1E3A')),
+                  children: ['Colonia','Total','Resueltos','Pendientes'].map((h) =>
+                    pw.Padding(padding: const pw.EdgeInsets.all(6),
+                      child: pw.Text(h, style: pw.TextStyle(color: PdfColors.white,
+                          fontWeight: pw.FontWeight.bold, fontSize: 10)))).toList()),
+                ...colonias.map((c) {
+                  final total = c['total'] as int? ?? 0;
+                  final res   = c['resueltos'] as int? ?? 0;
+                  return pw.TableRow(children: [
+                    c['colonia'] as String? ?? '', '$total', '$res', '${total - res}',
+                  ].map((v) => pw.Padding(padding: const pw.EdgeInsets.all(5),
+                      child: pw.Text(v, style: const pw.TextStyle(fontSize: 9)))).toList());
+                }),
+              ]),
+            pw.SizedBox(height: 20),
+          ],
+
+          if (incidentes.isNotEmpty) ...[
+            pw.Text('INCIDENTES POR RUTA', style: pw.TextStyle(
+                fontSize: 13, fontWeight: pw.FontWeight.bold,
+                color: PdfColor.fromHex('6D1E3A'))),
+            pw.SizedBox(height: 8),
+            pw.Table(
+              border: pw.TableBorder.all(color: PdfColors.grey300),
+              columnWidths: {0: const pw.FlexColumnWidth(2), 1: const pw.FlexColumnWidth(1)},
+              children: [
+                pw.TableRow(decoration: pw.BoxDecoration(color: PdfColor.fromHex('6D1E3A')),
+                  children: ['Ruta','Incidentes'].map((h) => pw.Padding(
+                      padding: const pw.EdgeInsets.all(6),
+                      child: pw.Text(h, style: pw.TextStyle(color: PdfColors.white,
+                          fontWeight: pw.FontWeight.bold, fontSize: 10)))).toList()),
+                ...incidentes.map((r) => pw.TableRow(children: [
+                  r['route_id'] as String? ?? '', '${r["total"]}',
+                ].map((v) => pw.Padding(padding: const pw.EdgeInsets.all(5),
+                    child: pw.Text(v, style: const pw.TextStyle(fontSize: 9)))).toList())),
+              ]),
+            pw.SizedBox(height: 20),
+          ],
+
+          if (reviews.isNotEmpty) ...[
+            pw.Text('CALIFICACIONES POR COLONIA', style: pw.TextStyle(
+                fontSize: 13, fontWeight: pw.FontWeight.bold,
+                color: PdfColor.fromHex('6D1E3A'))),
+            pw.SizedBox(height: 8),
+            pw.Table(
+              border: pw.TableBorder.all(color: PdfColors.grey300),
+              columnWidths: {0: const pw.FlexColumnWidth(3),
+                  1: const pw.FlexColumnWidth(1), 2: const pw.FlexColumnWidth(1)},
+              children: [
+                pw.TableRow(decoration: pw.BoxDecoration(color: PdfColor.fromHex('6D1E3A')),
+                  children: ['Colonia','Promedio','Total'].map((h) => pw.Padding(
+                      padding: const pw.EdgeInsets.all(6),
+                      child: pw.Text(h, style: pw.TextStyle(color: PdfColors.white,
+                          fontWeight: pw.FontWeight.bold, fontSize: 10)))).toList()),
+                ...reviews.map((r) => pw.TableRow(children: [
+                  r['colonia'] as String? ?? '',
+                  '${(r["promedio"] as num? ?? 0).toStringAsFixed(1)}/5',
+                  '${r["total"]}',
+                ].map((v) => pw.Padding(padding: const pw.EdgeInsets.all(5),
+                    child: pw.Text(v, style: const pw.TextStyle(fontSize: 9)))).toList())),
+              ]),
+            pw.SizedBox(height: 20),
+          ],
+
+          pw.Divider(color: PdfColor.fromHex('C9A84C')),
+          pw.Text('Celaya Limpia - H. Ayuntamiento de Celaya, Gto. - ${now.year}',
+              style: const pw.TextStyle(fontSize: 8, color: PdfColors.grey500),
+              textAlign: pw.TextAlign.center),
+        ],
+      ));
+
+      // Guardar en directorio temporal y compartir con share_plus
+      final bytes = await pdf.save();
+      final dir   = await getTemporaryDirectory();
+      final file  = File('${dir.path}/reporte_celaya_${now.month}_${now.year}.pdf');
+      await file.writeAsBytes(bytes);
+
+      setState(() => _lastPath = file.path);
+
+      await Share.shareXFiles(
+        [XFile(file.path, mimeType: 'application/pdf')],
+        subject: 'Reporte Mensual Celaya Limpia - ${meses[now.month]} ${now.year}',
+      );
+    } catch (e) {
+      if (mounted) ScaffoldMessenger.of(context).showSnackBar(
+          SnackBar(content: Text('Error al generar PDF: $e'),
+              backgroundColor: AppColors.rojoError));
+    }
+    if (mounted) setState(() => _generating = false);
+  }
+
+  @override
+  Widget build(BuildContext context) => Scaffold(
+    backgroundColor: AppColors.grisFondo,
+    appBar: AppBar(
+      backgroundColor: AppColors.verdeAdmin, foregroundColor: Colors.white,
+      title: const Text('Exportar Reporte PDF'),
+      bottom: PreferredSize(preferredSize: const Size.fromHeight(4),
+          child: Container(height: 4, color: AppColors.dorado))),
+    body: Center(child: Padding(padding: const EdgeInsets.all(32), child: Column(
+      mainAxisAlignment: MainAxisAlignment.center, children: [
+      Container(width: 100, height: 100,
+        decoration: BoxDecoration(color: AppColors.verdeAdmin.withOpacity(0.1),
+            shape: BoxShape.circle),
+        child: const Icon(Icons.picture_as_pdf, size: 52, color: AppColors.verdeAdmin)),
+      const SizedBox(height: 24),
+      const Text('Reporte Mensual', style: TextStyle(fontSize: 22,
+          fontWeight: FontWeight.bold, color: AppColors.verdeAdmin)),
+      const SizedBox(height: 8),
+      const Text('Genera un PDF con el resumen completo:\nreportes, incidentes y calificaciones.',
+          textAlign: TextAlign.center,
+          style: TextStyle(color: AppColors.grisTexto)),
+      const SizedBox(height: 32),
+      SizedBox(width: double.infinity, height: 52,
+        child: ElevatedButton.icon(
+          onPressed: _generating ? null : _generatePdf,
+          style: ElevatedButton.styleFrom(
+              backgroundColor: AppColors.verdeAdmin, foregroundColor: Colors.white,
+              shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(10))),
+          icon: _generating
+              ? const SizedBox(width: 20, height: 20,
+                  child: CircularProgressIndicator(color: Colors.white, strokeWidth: 2))
+              : const Icon(Icons.download),
+          label: Text(_generating ? 'Generando...' : 'Generar y Compartir PDF',
+              style: const TextStyle(fontWeight: FontWeight.bold)))),
+      if (_lastPath != null) ...[
+        const SizedBox(height: 16),
+        Container(padding: const EdgeInsets.all(10),
+          decoration: BoxDecoration(color: AppColors.verdeExito.withOpacity(0.1),
+              borderRadius: BorderRadius.circular(8),
+              border: Border.all(color: AppColors.verdeExito.withOpacity(0.3))),
+          child: Row(children: [
+            const Icon(Icons.check_circle, color: AppColors.verdeExito, size: 18),
+            const SizedBox(width: 8),
+            const Expanded(child: Text('PDF generado correctamente',
+                style: TextStyle(color: AppColors.verdeExito, fontWeight: FontWeight.w600,
+                    fontSize: 13))),
+            TextButton(onPressed: _generatePdf,
+                child: const Text('Compartir de nuevo',
+                    style: TextStyle(fontSize: 11, color: AppColors.verdeAdmin))),
+          ])),
+      ],
+    ]))));
+}

lib/screens/admin/manage_conductors_screen.dart

@@ -0,0 +1,179 @@
+import 'package:flutter/material.dart';
+import '../../core/app_colors.dart';
+import '../../database/db_helper.dart';
+
+class ManageConductorsScreen extends StatefulWidget {
+  const ManageConductorsScreen({super.key});
+  @override State<ManageConductorsScreen> createState() => _ManageConductorsScreenState();
+}
+
+class _ManageConductorsScreenState extends State<ManageConductorsScreen> {
+  List<Map<String, dynamic>> _conductores = [];
+  bool _loading = true;
+
+  @override void initState() { super.initState(); _load(); }
+
+  Future<void> _load() async {
+    final c = await DbHelper.getConductoresConMeta();
+    if (mounted) setState(() { _conductores = c; _loading = false; });
+  }
+
+  Future<void> _showFormDialog({Map<String, dynamic>? existing}) async {
+    final nombreCtrl = TextEditingController(text: existing?['nombre'] ?? '');
+    final emailCtrl  = TextEditingController(text: existing?['email'] ?? '');
+    final passCtrl   = TextEditingController();
+    final notasCtrl  = TextEditingController(text: existing?['notas'] ?? '');
+    bool activo = (existing?['activo'] as int? ?? 1) == 1;
+    bool obscure = true;
+
+    await showDialog(context: context, builder: (ctx) => StatefulBuilder(
+      builder: (ctx, setSt) => AlertDialog(
+        title: Text(existing == null ? 'Nuevo Conductor' : 'Editar Conductor'),
+        content: SingleChildScrollView(child: Column(mainAxisSize: MainAxisSize.min, children: [
+          TextField(controller: nombreCtrl,
+              decoration: const InputDecoration(labelText: 'Nombre completo',
+                  prefixIcon: Icon(Icons.person_outline), border: OutlineInputBorder())),
+          const SizedBox(height: 10),
+          TextField(controller: emailCtrl, keyboardType: TextInputType.emailAddress,
+              decoration: const InputDecoration(labelText: 'Correo electronico',
+                  prefixIcon: Icon(Icons.email_outlined), border: OutlineInputBorder())),
+          const SizedBox(height: 10),
+          if (existing == null)
+            TextField(controller: passCtrl, obscureText: obscure,
+                decoration: InputDecoration(labelText: 'Contrasena',
+                    prefixIcon: const Icon(Icons.lock_outline), border: const OutlineInputBorder(),
+                    suffixIcon: IconButton(icon: Icon(obscure ? Icons.visibility_off : Icons.visibility),
+                        onPressed: () => setSt(() => obscure = !obscure)))),
+          if (existing == null) const SizedBox(height: 10),
+          TextField(controller: notasCtrl, maxLines: 2,
+              decoration: const InputDecoration(labelText: 'Notas internas (opcional)',
+                  border: OutlineInputBorder())),
+          const SizedBox(height: 10),
+          if (existing != null)
+            SwitchListTile(value: activo, dense: true,
+              title: Text(activo ? 'Conductor Activo' : 'Conductor Inactivo',
+                  style: TextStyle(color: activo ? AppColors.verdeAdmin : AppColors.rojoError,
+                      fontWeight: FontWeight.bold)),
+              activeColor: AppColors.verdeAdmin,
+              onChanged: (v) => setSt(() => activo = v)),
+        ])),
+        actions: [
+          TextButton(onPressed: () => Navigator.pop(ctx), child: const Text('Cancelar')),
+          ElevatedButton(
+            style: ElevatedButton.styleFrom(backgroundColor: AppColors.verdeAdmin,
+                foregroundColor: Colors.white),
+            onPressed: () async {
+              if (nombreCtrl.text.trim().isEmpty || emailCtrl.text.trim().isEmpty) return;
+              if (existing == null) {
+                if (passCtrl.text.length < 6) {
+                  ScaffoldMessenger.of(context).showSnackBar(const SnackBar(
+                      content: Text('La contrasena debe tener al menos 6 caracteres'),
+                      backgroundColor: AppColors.rojoError));
+                  return;
+                }
+                await DbHelper.insertConductor(nombreCtrl.text.trim(),
+                    emailCtrl.text.trim().toLowerCase(), passCtrl.text);
+              } else {
+                await DbHelper.updateConductor(existing['id'], nombreCtrl.text.trim(),
+                    emailCtrl.text.trim().toLowerCase());
+                await DbHelper.updateConductorMeta(existing['id'], activo, notasCtrl.text.trim());
+              }
+              if (ctx.mounted) Navigator.pop(ctx);
+              await _load();
+            },
+            child: Text(existing == null ? 'Crear' : 'Guardar')),
+        ])));
+  }
+
+  @override
+  Widget build(BuildContext context) => Scaffold(
+    backgroundColor: AppColors.grisFondo,
+    appBar: AppBar(
+      backgroundColor: AppColors.verdeAdmin, foregroundColor: Colors.white,
+      title: Text('Conductores (${_conductores.length})'),
+      bottom: PreferredSize(preferredSize: const Size.fromHeight(4),
+          child: Container(height: 4, color: AppColors.dorado)),
+      actions: [
+        IconButton(icon: const Icon(Icons.refresh), onPressed: _load),
+        IconButton(icon: const Icon(Icons.add_circle_outline),
+            tooltip: 'Nuevo conductor',
+            onPressed: () => _showFormDialog()),
+      ],
+    ),
+    body: _loading
+        ? const Center(child: CircularProgressIndicator())
+        : _conductores.isEmpty
+            ? Center(child: Column(mainAxisAlignment: MainAxisAlignment.center, children: [
+                const Icon(Icons.person_off, color: AppColors.grisTexto, size: 48),
+                const SizedBox(height: 12),
+                const Text('Sin conductores registrados',
+                    style: TextStyle(color: AppColors.grisTexto)),
+                const SizedBox(height: 16),
+                ElevatedButton.icon(
+                    style: ElevatedButton.styleFrom(backgroundColor: AppColors.verdeAdmin,
+                        foregroundColor: Colors.white),
+                    onPressed: () => _showFormDialog(),
+                    icon: const Icon(Icons.add), label: const Text('Agregar primer conductor')),
+              ]))
+            : ListView.builder(
+                padding: const EdgeInsets.all(12),
+                itemCount: _conductores.length,
+                itemBuilder: (_, i) {
+                  final c = _conductores[i];
+                  final activo = (c['activo'] as int? ?? 1) == 1;
+                  final incidentes = c['total_incidentes'] as int? ?? 0;
+                  return Card(
+                    margin: const EdgeInsets.only(bottom: 10),
+                    shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(10),
+                        side: BorderSide(color: activo
+                            ? AppColors.verdeAdmin.withOpacity(0.3)
+                            : AppColors.rojoError.withOpacity(0.3))),
+                    child: Padding(padding: const EdgeInsets.all(14), child: Column(
+                      crossAxisAlignment: CrossAxisAlignment.start, children: [
+                      Row(children: [
+                        CircleAvatar(radius: 22,
+                          backgroundColor: activo
+                              ? AppColors.verdeAdmin.withOpacity(0.15)
+                              : Colors.grey.shade200,
+                          child: Icon(Icons.person,
+                              color: activo ? AppColors.verdeAdmin : AppColors.grisTexto, size: 24)),
+                        const SizedBox(width: 12),
+                        Expanded(child: Column(crossAxisAlignment: CrossAxisAlignment.start, children: [
+                          Text(c['nombre'] ?? '', style: const TextStyle(
+                              fontWeight: FontWeight.bold, fontSize: 14)),
+                          Text(c['email'] ?? '', style: const TextStyle(
+                              color: AppColors.grisTexto, fontSize: 12)),
+                        ])),
+                        Container(padding: const EdgeInsets.symmetric(horizontal: 8, vertical: 3),
+                          decoration: BoxDecoration(
+                            color: activo ? AppColors.verdeAdmin.withOpacity(0.1)
+                                : AppColors.rojoError.withOpacity(0.1),
+                            borderRadius: BorderRadius.circular(10)),
+                          child: Text(activo ? 'Activo' : 'Inactivo',
+                              style: TextStyle(fontSize: 11, fontWeight: FontWeight.bold,
+                                  color: activo ? AppColors.verdeAdmin : AppColors.rojoError))),
+                        IconButton(icon: const Icon(Icons.edit_outlined, size: 18),
+                            onPressed: () => _showFormDialog(existing: c)),
+                      ]),
+                      if (incidentes > 0 || (c['notas'] as String?)?.isNotEmpty == true) ...[
+                        const Divider(height: 16),
+                        if (incidentes > 0)
+                          Row(children: [
+                            Icon(Icons.warning_amber, size: 14,
+                                color: incidentes > 3 ? AppColors.rojoError : AppColors.naranjaAlerta),
+                            const SizedBox(width: 4),
+                            Text('$incidentes incidente${incidentes != 1 ? 's' : ''} historico${incidentes != 1 ? 's' : ''}',
+                                style: TextStyle(fontSize: 12,
+                                    color: incidentes > 3 ? AppColors.rojoError : AppColors.naranjaAlerta)),
+                          ]),
+                        if ((c['notas'] as String?)?.isNotEmpty == true) ...[
+                          const SizedBox(height: 4),
+                          Text('Notas: ${c['notas']}',
+                              style: const TextStyle(fontSize: 11, color: AppColors.grisTexto,
+                                  fontStyle: FontStyle.italic)),
+                        ],
+                      ],
+                    ])));
+                }),
+  );
+}