Layout changes, fix bugs in new entry page

lib/components/pages/legs.dart

@@ -1,5 +1,6 @@
 import 'package:flutter/material.dart';
 import 'package:mileograph_flutter/components/legs/leg_card.dart';
+import 'package:mileograph_flutter/objects/objects.dart';
 import 'package:mileograph_flutter/services/data_service.dart';
 import 'package:provider/provider.dart';
 
@@ -211,7 +212,7 @@ class _LegsPageState extends State<LegsPage> {
           else
             Column(
               children: [
-                ...legs.map((leg) => LegCard(leg: leg)),
+                ..._buildLegsWithDividers(context, legs),
                 const SizedBox(height: 8),
                 if (data.legsHasMore || data.isLegsLoading)
                   Align(
@@ -238,6 +239,57 @@ class _LegsPageState extends State<LegsPage> {
     );
   }
 
+  List<Widget> _buildLegsWithDividers(BuildContext context, List<Leg> legs) {
+    final widgets = <Widget>[];
+    String? currentDate;
+    double dayMileage = 0;
+    final dayLegs = <Leg>[];
+
+    void flushDay() {
+      if (currentDate == null) return;
+      widgets.add(
+        Padding(
+          padding: const EdgeInsets.symmetric(vertical: 8.0),
+          child: Row(
+            children: [
+              Expanded(
+                child: Text(
+                  currentDate!,
+                  style: Theme.of(context).textTheme.labelMedium?.copyWith(
+                        fontWeight: FontWeight.w700,
+                      ),
+                ),
+              ),
+              Text(
+                '${dayMileage.toStringAsFixed(1)} mi',
+                style: Theme.of(context).textTheme.labelMedium,
+              ),
+            ],
+          ),
+        ),
+      );
+      widgets.add(const Divider());
+      widgets.addAll(
+        dayLegs.map((leg) => LegCard(leg: leg, showDate: false)),
+      );
+      dayLegs.clear();
+    }
+
+    for (final leg in legs) {
+      final dateStr = _formatDate(leg.beginTime) ?? '';
+      if (currentDate != null && dateStr != currentDate) {
+        flushDay();
+        dayMileage = 0;
+      }
+      currentDate = dateStr;
+      dayLegs.add(leg);
+      dayMileage += leg.mileage;
+    }
+
+    flushDay();
+    return widgets;
+  }
+
   String? _formatDate(DateTime? date) {
     if (date == null) return null;
     return '${date.year.toString().padLeft(4, '0')}-${date.month.toString().padLeft(2, '0')}-${date.day.toString().padLeft(2, '0')}';