backup: before home page modernization

lib/features/proxy/overview/proxies_overview_page.dart

@@ -127,10 +127,37 @@ class ProxiesOverviewPage extends HookConsumerWidget with PresLogger {
               ),
             ],
           ),
-          floatingActionButton: FloatingActionButton(
-            onPressed: () async => notifier.urlTest(group.tag),
-            tooltip: t.proxies.delayTestTooltip,
-            child: const Icon(FluentIcons.arrow_clockwise_24_filled),
+          floatingActionButton: Builder(
+            builder: (context) {
+              final theme = Theme.of(context);
+              return Container(
+                decoration: BoxDecoration(
+                  gradient: LinearGradient(
+                    colors: [
+                      theme.colorScheme.primary,
+                      theme.colorScheme.primary.withOpacity(0.8),
+                    ],
+                    begin: Alignment.topLeft,
+                    end: Alignment.bottomRight,
+                  ),
+                  borderRadius: BorderRadius.circular(16),
+                  boxShadow: [
+                    BoxShadow(
+                      color: theme.colorScheme.primary.withOpacity(0.4),
+                      blurRadius: 12,
+                      offset: const Offset(0, 4),
+                    ),
+                  ],
+                ),
+                child: FloatingActionButton(
+                  onPressed: () async => notifier.urlTest(group.tag),
+                  tooltip: t.proxies.delayTestTooltip,
+                  backgroundColor: Colors.transparent,
+                  elevation: 0,
+                  child: const Icon(FluentIcons.arrow_clockwise_24_filled),
+                ),
+              );
+            },
           ),
         );