diff --git a/.gitignore b/.gitignore
index e310089a..bddd505f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -73,3 +73,5 @@ material-design-icons
 .kiro/steering/kirograph.md
 .kirograph/config.json
 .kirograph/kirograph.db
+.kirograph/.session-id
+.kirograph/token-savings.jsonl
diff --git a/V2rayNG/app/src/main/java/xyz/zarazaex/olc/handler/V2RayServiceManager.kt b/V2rayNG/app/src/main/java/xyz/zarazaex/olc/handler/V2RayServiceManager.kt
index 6ae1a56b..c5444326 100644
--- a/V2rayNG/app/src/main/java/xyz/zarazaex/olc/handler/V2RayServiceManager.kt
+++ b/V2rayNG/app/src/main/java/xyz/zarazaex/olc/handler/V2RayServiceManager.kt
@@ -305,20 +305,28 @@ object V2RayServiceManager {
             var time = -1L
             var errorStr = ""
 
-            try {
-                time = coreController.measureDelay(SettingsManager.getDelayTestUrl())
-            } catch (e: Exception) {
-                Log.e(AppConfig.TAG, "StartCore-Manager: Failed to measure delay", e)
-                errorStr = e.message?.substringAfter("\":") ?: "empty message"
-            }
-            if (time == -1L) {
+            val urls = listOf(
+                SettingsManager.getDelayTestUrl(),
+                SettingsManager.getDelayTestUrl(true)
+            )
+            for (url in urls) {
+                if (time >= 0) break
                 try {
-                    time = coreController.measureDelay(SettingsManager.getDelayTestUrl(true))
+                    time = coreController.measureDelay(url)
                 } catch (e: Exception) {
                     Log.e(AppConfig.TAG, "StartCore-Manager: Failed to measure delay", e)
                     errorStr = e.message?.substringAfter("\":") ?: "empty message"
                 }
             }
+            // One more retry after a brief pause to reduce false negatives
+            if (time == -1L) {
+                kotlinx.coroutines.delay(500)
+                try {
+                    time = coreController.measureDelay(urls[0])
+                } catch (e: Exception) {
+                    errorStr = e.message?.substringAfter("\":") ?: "empty message"
+                }
+            }
 
             val result = if (time >= 0) {
                 service.getString(R.string.connection_test_available, time)
diff --git a/V2rayNG/app/src/main/java/xyz/zarazaex/olc/ui/MainActivity.kt b/V2rayNG/app/src/main/java/xyz/zarazaex/olc/ui/MainActivity.kt
index 9ca1e17f..c0c6e401 100644
--- a/V2rayNG/app/src/main/java/xyz/zarazaex/olc/ui/MainActivity.kt
+++ b/V2rayNG/app/src/main/java/xyz/zarazaex/olc/ui/MainActivity.kt
@@ -1,5 +1,7 @@
 package xyz.zarazaex.olc.ui
 
+import android.animation.ArgbEvaluator
+import android.animation.ValueAnimator
 import android.content.Intent
 import android.content.res.ColorStateList
 import android.graphics.Color
@@ -203,7 +205,13 @@ class MainActivity : HelperBaseActivity(), NavigationView.OnNavigationItemSelect
     }
 
     private fun setupViewModel() {
-        mainViewModel.updateTestResultAction.observe(this) { setTestState(it) }
+        mainViewModel.updateTestResultAction.observe(this) { result ->
+            setTestState(result)
+            if (result != null && mainViewModel.isRunning.value == true) {
+                val isSuccess = result.contains(Regex("\\d+\\s*(ms|мс|毫秒)"))
+                setStatusDot(if (isSuccess) DotState.CONNECTED else DotState.FAILURE)
+            }
+        }
 
         mainViewModel.isTesting.observe(this) { testing ->
             if (testing) {
@@ -218,13 +226,13 @@ class MainActivity : HelperBaseActivity(), NavigationView.OnNavigationItemSelect
                 binding.btnSummaryLite.isEnabled = true
                 binding.btnSummaryLite.alpha = 1.0f
                 binding.btnSummaryLite.setIconResource(R.drawable.ic_stop_24dp)
-                binding.btnSummaryLite.backgroundTintList = ColorStateList.valueOf(
-                    com.google.android.material.color.MaterialColors.getColor(this, com.google.android.material.R.attr.colorPrimaryContainer, 0)
+                animateButtonTint(binding.btnSummaryLite,
+                    com.google.android.material.color.MaterialColors.getColor(this, com.google.android.material.R.attr.colorSecondaryContainer, 0)
                 )
             } else {
                 setButtonsEnabled(true)
                 binding.btnSummaryLite.setIconResource(R.drawable.bolt_24)
-                binding.btnSummaryLite.backgroundTintList = ColorStateList.valueOf(
+                animateButtonTint(binding.btnSummaryLite,
                     com.google.android.material.color.MaterialColors.getColor(this, com.google.android.material.R.attr.colorSecondaryContainer, 0)
                 )
                 if (!isLiteTesting) {
@@ -383,7 +391,7 @@ class MainActivity : HelperBaseActivity(), NavigationView.OnNavigationItemSelect
             showStatus("Остановлено")
             setButtonsEnabled(true)
             binding.btnSummaryLite.setIconResource(R.drawable.bolt_24)
-            binding.btnSummaryLite.backgroundTintList = ColorStateList.valueOf(
+            animateButtonTint(binding.btnSummaryLite,
                 com.google.android.material.color.MaterialColors.getColor(this, com.google.android.material.R.attr.colorSecondaryContainer, 0)
             )
             hideLoading()
@@ -490,9 +498,9 @@ class MainActivity : HelperBaseActivity(), NavigationView.OnNavigationItemSelect
                 delay(1000)
             } catch (e: Exception) {
                 Log.e(AppConfig.TAG, "Error in restartV2Ray", e)
-                applyRunningState(isLoading = false, isRunning = mainViewModel.isRunning.value == true)
             } finally {
                 isFabOperationInProgress = false
+                applyRunningState(isLoading = false, isRunning = mainViewModel.isRunning.value == true)
             }
         }
     }
@@ -530,6 +538,16 @@ class MainActivity : HelperBaseActivity(), NavigationView.OnNavigationItemSelect
         return ColorStateList.valueOf(color)
     }
 
+    private fun animateButtonTint(view: com.google.android.material.button.MaterialButton, toColor: Int, duration: Long = 300L) {
+        val from = view.backgroundTintList?.defaultColor ?: toColor
+        if (from == toColor) { view.backgroundTintList = ColorStateList.valueOf(toColor); return }
+        ValueAnimator.ofArgb(from, toColor).apply {
+            this.duration = duration
+            addUpdateListener { view.backgroundTintList = ColorStateList.valueOf(it.animatedValue as Int) }
+            start()
+        }
+    }
+
     private fun applyRunningState(isLoading: Boolean, isRunning: Boolean) {
         val secContainer = ColorStateList.valueOf(
             com.google.android.material.color.MaterialColors.getColor(this, com.google.android.material.R.attr.colorSecondaryContainer, 0)
@@ -562,7 +580,7 @@ class MainActivity : HelperBaseActivity(), NavigationView.OnNavigationItemSelect
             binding.fab.alpha = 1.0f
             binding.fab.backgroundTintList = accentColor()
             binding.fab.iconTint = onPrimary
-            binding.btnSummaryLite.backgroundTintList = secContainer
+            animateButtonTint(binding.btnSummaryLite, secContainer.defaultColor)
             binding.fab.contentDescription = getString(R.string.action_stop_service)
             setTestState(getString(R.string.connection_connected))
             binding.layoutTest.isFocusable = true
@@ -571,7 +589,7 @@ class MainActivity : HelperBaseActivity(), NavigationView.OnNavigationItemSelect
             setButtonsEnabled(true)
             binding.fab.backgroundTintList = secContainer
             binding.fab.iconTint = onSecContainer
-            binding.btnSummaryLite.backgroundTintList = secContainer
+            animateButtonTint(binding.btnSummaryLite, secContainer.defaultColor)
             binding.fab.contentDescription = getString(R.string.tasker_start_service)
             if (mainViewModel.isTesting.value != true && statusResetJob?.isActive != true) {
                 setTestState(getString(R.string.connection_not_connected))
@@ -581,7 +599,7 @@ class MainActivity : HelperBaseActivity(), NavigationView.OnNavigationItemSelect
         }
     }
 
-    private enum class DotState { IDLE, CONNECTED, LOADING }
+    private enum class DotState { IDLE, CONNECTED, LOADING, FAILURE }
 
     private fun setStatusDot(state: DotState) {
         val dot = binding.statusDot
@@ -589,6 +607,7 @@ class MainActivity : HelperBaseActivity(), NavigationView.OnNavigationItemSelect
         dot.alpha = 1f; dot.scaleX = 1f; dot.scaleY = 1f
         dot.backgroundTintList = ColorStateList.valueOf(when (state) {
             DotState.CONNECTED -> ContextCompat.getColor(this, R.color.status_connected)
+            DotState.FAILURE   -> ContextCompat.getColor(this, R.color.status_failure)
             DotState.LOADING   -> com.google.android.material.color.MaterialColors.getColor(this, androidx.appcompat.R.attr.colorPrimary, 0)
             DotState.IDLE      -> com.google.android.material.color.MaterialColors.getColor(this, com.google.android.material.R.attr.colorOutline, 0)
         })
@@ -894,20 +913,26 @@ class MainActivity : HelperBaseActivity(), NavigationView.OnNavigationItemSelect
             copyToClipboard(btcValue.text.toString())
         }
 
-        MaterialAlertDialogBuilder(this)
-            .setTitle(R.string.donate_dialog_title)
+        val titleStr = getString(R.string.donate_dialog_title)
+        val dialog = MaterialAlertDialogBuilder(this)
             .setView(view)
-            .setNegativeButton(R.string.donate_btn_dont_show) { dialog, _ ->
+            .setNegativeButton(R.string.donate_btn_dont_show) { d, _ ->
                 MmkvManager.encodeSettings(AppConfig.PREF_DONATE_DIALOG_DISMISSED, true)
-                dialog.dismiss()
-            }
-            .setPositiveButton(R.string.donate_btn_postpone) { dialog, _ ->
-                val postponeUntil = System.currentTimeMillis() + 24L * 60 * 60 * 1000
-                MmkvManager.encodeSettings(AppConfig.PREF_DONATE_DIALOG_POSTPONE_UNTIL, postponeUntil)
-                dialog.dismiss()
+                d.dismiss()
             }
             .setCancelable(true)
-            .show()
+            .create()
+        // Closing (X / outside / back) postpones for 24h
+        val postpone = {
+            val postponeUntil = System.currentTimeMillis() + 24L * 60 * 60 * 1000
+            MmkvManager.encodeSettings(AppConfig.PREF_DONATE_DIALOG_POSTPONE_UNTIL, postponeUntil)
+        }
+        dialog.setOnCancelListener { postpone() }
+        dialog.setCustomTitle(buildDialogTitleWithClose(titleStr) {
+            postpone()
+            dialog.dismiss()
+        })
+        dialog.show()
     }
 
     private fun copyToClipboard(text: String) {
@@ -1117,7 +1142,6 @@ class MainActivity : HelperBaseActivity(), NavigationView.OnNavigationItemSelect
                 }
 
                 val dialog = MaterialAlertDialogBuilder(this@MainActivity)
-                    .setTitle("Исключить страны")
                     .setAdapter(adapter, null)
                     .setPositiveButton("Применить") { _, _ ->
                         val excluded = codes.filterIndexed { i, _ -> checked[i] }.toSet()
@@ -1131,8 +1155,8 @@ class MainActivity : HelperBaseActivity(), NavigationView.OnNavigationItemSelect
                         showStatus("Показаны все страны")
                     }
                     .create()
-                dialog.show()
                 dialog.setCustomTitle(buildDialogTitleWithClose("Исключить страны") { dialog.dismiss() })
+                dialog.show()
             }
         }
     }
@@ -1158,7 +1182,6 @@ class MainActivity : HelperBaseActivity(), NavigationView.OnNavigationItemSelect
         val message = result.releaseNotes?.let { xyz.zarazaex.olc.util.MarkdownUtil.parseBasic(it) } ?: ""
         val titleStr = getString(R.string.update_new_version_found, result.latestVersion)
         val dialog = MaterialAlertDialogBuilder(this)
-            .setTitle(titleStr)
             .setMessage(message)
             .setPositiveButton(R.string.update_now) { _, _ ->
                 result.downloadUrl?.let {
@@ -1166,8 +1189,8 @@ class MainActivity : HelperBaseActivity(), NavigationView.OnNavigationItemSelect
                 }
             }
             .create()
-        dialog.show()
         dialog.setCustomTitle(buildDialogTitleWithClose(titleStr) { dialog.dismiss() })
+        dialog.show()
     }
 
     private fun buildDialogTitleWithClose(title: String, onClose: () -> Unit): View {
diff --git a/V2rayNG/app/src/main/java/xyz/zarazaex/olc/ui/MainRecyclerAdapter.kt b/V2rayNG/app/src/main/java/xyz/zarazaex/olc/ui/MainRecyclerAdapter.kt
index a80e3838..66aa528c 100644
--- a/V2rayNG/app/src/main/java/xyz/zarazaex/olc/ui/MainRecyclerAdapter.kt
+++ b/V2rayNG/app/src/main/java/xyz/zarazaex/olc/ui/MainRecyclerAdapter.kt
@@ -166,10 +166,14 @@ class MainRecyclerAdapter(
                     if (addressText.isEmpty()) View.GONE else View.VISIBLE
 
             // TestResult
-            val aff = MmkvManager.decodeServerAffiliationInfo(guid)
-            holder.itemMainBinding.tvTestResult.text = aff?.getTestDelayString().orEmpty()
+            val delayMillis = data[position].testDelayMillis
+            holder.itemMainBinding.tvTestResult.text = when {
+                delayMillis == 0L -> "—ms"
+                delayMillis < 0L -> "-ms"
+                else -> "${delayMillis}ms"
+            }
             holder.itemMainBinding.tvTestResult.setTextColor(
-                    getPingColor(context, aff?.testDelayMillis)
+                    getPingColor(context, delayMillis)
             )
             (holder.itemMainBinding.tvTestResult.layoutParams as? ViewGroup.MarginLayoutParams)?.marginStart =
                     if (addressText.isEmpty()) 0 else 6.dpToPx(context)
@@ -264,9 +268,7 @@ class MainRecyclerAdapter(
 
     private fun recomputePingRange() {
         val delays = data.mapNotNull { item ->
-            MmkvManager.decodeServerAffiliationInfo(item.guid)
-                ?.testDelayMillis
-                ?.takeIf { it > 0L }
+            item.testDelayMillis.takeIf { it > 0L }
         }
         minReachablePing = delays.minOrNull()
         maxReachablePing = delays.maxOrNull()
diff --git a/V2rayNG/app/src/main/res/layout/dialog_donate.xml b/V2rayNG/app/src/main/res/layout/dialog_donate.xml
index 172359b4..32a384ed 100644
--- a/V2rayNG/app/src/main/res/layout/dialog_donate.xml
+++ b/V2rayNG/app/src/main/res/layout/dialog_donate.xml
@@ -27,7 +27,7 @@
             android:gravity="center_vertical"
             android:orientation="horizontal"
             android:paddingStart="14dp"
-            android:paddingEnd="6dp"
+            android:paddingEnd="10dp"
             android:paddingTop="10dp"
             android:paddingBottom="10dp">
 
@@ -56,15 +56,16 @@
                     android:typeface="monospace" />
             </LinearLayout>
 
-            <com.google.android.material.button.MaterialButton
+            <ImageButton
                 android:id="@+id/donate_card_open"
-                style="@style/Widget.Material3.Button.IconButton"
                 android:layout_width="40dp"
                 android:layout_height="40dp"
+                android:background="?attr/selectableItemBackgroundBorderless"
                 android:contentDescription="@string/donate_open_link"
-                app:icon="@drawable/ic_share_24dp"
-                app:iconSize="20dp"
-                app:iconTint="?attr/colorOnSurfaceVariant" />
+                android:padding="10dp"
+                android:scaleType="centerInside"
+                android:src="@drawable/ic_share_24dp"
+                app:tint="?attr/colorOnSurfaceVariant" />
         </LinearLayout>
     </com.google.android.material.card.MaterialCardView>
 
@@ -84,7 +85,7 @@
             android:gravity="center_vertical"
             android:orientation="horizontal"
             android:paddingStart="14dp"
-            android:paddingEnd="6dp"
+            android:paddingEnd="10dp"
             android:paddingTop="10dp"
             android:paddingBottom="10dp">
 
@@ -114,15 +115,16 @@
                     android:typeface="monospace" />
             </LinearLayout>
 
-            <com.google.android.material.button.MaterialButton
+            <ImageButton
                 android:id="@+id/donate_ton_copy"
-                style="@style/Widget.Material3.Button.IconButton"
                 android:layout_width="40dp"
                 android:layout_height="40dp"
+                android:background="?attr/selectableItemBackgroundBorderless"
                 android:contentDescription="@string/donate_copy"
-                app:icon="@drawable/ic_copy"
-                app:iconSize="20dp"
-                app:iconTint="?attr/colorOnSurfaceVariant" />
+                android:padding="10dp"
+                android:scaleType="centerInside"
+                android:src="@drawable/ic_copy"
+                app:tint="?attr/colorOnSurfaceVariant" />
         </LinearLayout>
     </com.google.android.material.card.MaterialCardView>
 
@@ -142,7 +144,7 @@
             android:gravity="center_vertical"
             android:orientation="horizontal"
             android:paddingStart="14dp"
-            android:paddingEnd="6dp"
+            android:paddingEnd="10dp"
             android:paddingTop="10dp"
             android:paddingBottom="10dp">
 
@@ -172,15 +174,16 @@
                     android:typeface="monospace" />
             </LinearLayout>
 
-            <com.google.android.material.button.MaterialButton
+            <ImageButton
                 android:id="@+id/donate_trc_copy"
-                style="@style/Widget.Material3.Button.IconButton"
                 android:layout_width="40dp"
                 android:layout_height="40dp"
+                android:background="?attr/selectableItemBackgroundBorderless"
                 android:contentDescription="@string/donate_copy"
-                app:icon="@drawable/ic_copy"
-                app:iconSize="20dp"
-                app:iconTint="?attr/colorOnSurfaceVariant" />
+                android:padding="10dp"
+                android:scaleType="centerInside"
+                android:src="@drawable/ic_copy"
+                app:tint="?attr/colorOnSurfaceVariant" />
         </LinearLayout>
     </com.google.android.material.card.MaterialCardView>
 
@@ -199,7 +202,7 @@
             android:gravity="center_vertical"
             android:orientation="horizontal"
             android:paddingStart="14dp"
-            android:paddingEnd="6dp"
+            android:paddingEnd="10dp"
             android:paddingTop="10dp"
             android:paddingBottom="10dp">
 
@@ -229,15 +232,16 @@
                     android:typeface="monospace" />
             </LinearLayout>
 
-            <com.google.android.material.button.MaterialButton
+            <ImageButton
                 android:id="@+id/donate_btc_copy"
-                style="@style/Widget.Material3.Button.IconButton"
                 android:layout_width="40dp"
                 android:layout_height="40dp"
+                android:background="?attr/selectableItemBackgroundBorderless"
                 android:contentDescription="@string/donate_copy"
-                app:icon="@drawable/ic_copy"
-                app:iconSize="20dp"
-                app:iconTint="?attr/colorOnSurfaceVariant" />
+                android:padding="10dp"
+                android:scaleType="centerInside"
+                android:src="@drawable/ic_copy"
+                app:tint="?attr/colorOnSurfaceVariant" />
         </LinearLayout>
     </com.google.android.material.card.MaterialCardView>
 </LinearLayout>
diff --git a/V2rayNG/app/src/main/res/layout/dialog_title_with_close.xml b/V2rayNG/app/src/main/res/layout/dialog_title_with_close.xml
index 0f48174f..b5b43538 100644
--- a/V2rayNG/app/src/main/res/layout/dialog_title_with_close.xml
+++ b/V2rayNG/app/src/main/res/layout/dialog_title_with_close.xml
@@ -1,42 +1,29 @@
 <?xml version="1.0" encoding="utf-8"?>
-<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:app="http://schemas.android.com/apk/res-auto"
+<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
     android:layout_width="match_parent"
     android:layout_height="wrap_content"
-    android:orientation="vertical">
+    android:paddingStart="24dp"
+    android:paddingEnd="8dp"
+    android:paddingTop="16dp"
+    android:paddingBottom="8dp">
 
-    <FrameLayout
+    <TextView
+        android:id="@+id/dialog_title_text"
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
-        android:paddingStart="24dp"
-        android:paddingEnd="8dp"
-        android:paddingTop="20dp"
-        android:paddingBottom="16dp">
+        android:layout_gravity="center_vertical"
+        android:gravity="start"
+        android:paddingEnd="32dp"
+        android:textAppearance="@style/TextAppearance.Material3.TitleMedium"
+        android:textColor="?attr/colorOnSurface" />
 
-        <TextView
-            android:id="@+id/dialog_title_text"
-            android:layout_width="match_parent"
-            android:layout_height="wrap_content"
-            android:layout_gravity="center"
-            android:gravity="center"
-            android:paddingEnd="32dp"
-            android:textAppearance="@style/TextAppearance.Material3.HeadlineSmall"
-            android:textColor="?attr/colorOnSurface" />
-
-        <ImageButton
-            android:id="@+id/dialog_close_btn"
-            android:layout_width="40dp"
-            android:layout_height="40dp"
-            android:layout_gravity="end|center_vertical"
-            android:background="?attr/selectableItemBackgroundBorderless"
-            android:contentDescription="Закрыть"
-            android:src="@drawable/ic_close_24dp"
-            android:tint="?attr/colorOnSurfaceVariant" />
-    </FrameLayout>
-
-    <View
-        android:layout_width="match_parent"
-        android:layout_height="1dp"
-        android:background="?attr/colorOutline" />
-
-</LinearLayout>
+    <ImageButton
+        android:id="@+id/dialog_close_btn"
+        android:layout_width="36dp"
+        android:layout_height="36dp"
+        android:layout_gravity="end|center_vertical"
+        android:background="?attr/selectableItemBackgroundBorderless"
+        android:contentDescription="Закрыть"
+        android:src="@drawable/ic_close_24dp"
+        android:tint="?attr/colorOnSurfaceVariant" />
+</FrameLayout>
diff --git a/V2rayNG/app/src/main/res/values-night/colors.xml b/V2rayNG/app/src/main/res/values-night/colors.xml
index 689c8bcb..5b12e65c 100644
--- a/V2rayNG/app/src/main/res/values-night/colors.xml
+++ b/V2rayNG/app/src/main/res/values-night/colors.xml
@@ -4,6 +4,7 @@
     <color name="colorPingGood">#86D993</color>
     <color name="colorPingMedium">#F1C76A</color>
     <color name="status_connected">#66BB6A</color>
+    <color name="status_failure">#EF5350</color>
     <color name="colorPingRed">#FFB4AB</color>
     <color name="color_fab_active">@color/md_theme_primary</color>
     <color name="color_fab_inactive">@color/md_theme_secondaryContainer</color>
diff --git a/V2rayNG/app/src/main/res/values/colors.xml b/V2rayNG/app/src/main/res/values/colors.xml
index 614436ee..c9522072 100644
--- a/V2rayNG/app/src/main/res/values/colors.xml
+++ b/V2rayNG/app/src/main/res/values/colors.xml
@@ -4,6 +4,7 @@
     <color name="colorPingGood">#2E7D32</color>
     <color name="colorPingMedium">#9A6700</color>
     <color name="status_connected">#4CAF50</color>
+    <color name="status_failure">#E53935</color>
     <color name="colorPingRed">#BA1A1A</color>
     <color name="colorConfigType">#1565C0</color>
     <color name="colorWhite">#FFFFFF</color>