Finished SIWE UI

src/Reown.AppKit.Unity/Resources/Reown/AppKit/Components/Snackbar/Snackbar.uss

@@ -43,4 +43,12 @@
 
 .snackbar__icon-container--color-success > .snackbar__icon {
     --unity-image-tint-color: var(--ro-color-success-100);
+}
+
+.snackbar__icon-container--color-info {
+    background-color: var(--ro-accent-glass-005);
+}
+
+.snackbar__icon-container--color-info > .snackbar__icon {
+    --unity-image-tint-color: var(--ro-color-fg-100);
 }

src/Reown.AppKit.Unity/Resources/Reown/AppKit/Views/SiweView/SiweView.uss

@@ -4,6 +4,18 @@
     justify-content: center
 }
 
+#siwe-view__logo-app-image {
+    width: 100%;
+    height: 100%;
+    position: absolute;
+}
+
+#siwe-view__logo-wallet-image {
+    width: 100%;
+    height: 100%;
+    position: absolute;
+}
+
 .siwe-view__logo {
     width: 80px;
     height: 80px;

src/Reown.AppKit.Unity/Resources/Reown/AppKit/Views/SiweView/SiweView.uxml

@@ -1,14 +1,16 @@
 <ui:UXML xmlns:ui="UnityEngine.UIElements" editor-extension-mode="False">
     <Style src="SiweView.uss"/>
     <ui:VisualElement name="siwe-view__logo-container">
-        <ui:Image name="siwe-view__logo-app" class="siwe-view__logo siwe-view__logo-app">
+        <ui:VisualElement name="siwe-view__logo-app-container" class="siwe-view__logo siwe-view__logo-app">
             <ui:Image name="siwe-view__logo-app-placeholder" style="--unity-image: resource('Reown/AppKit/Icons/icon_regular_app');"
                       class="siwe-view__logo-placeholder"/>
-        </ui:Image>
-        <ui:Image name="siwe-view__logo-wallet" class="siwe-view__logo siwe-view__logo-wallet">
-            <ui:Image name="siwe-view__logo-app-placeholder" style="--unity-image: resource('Reown/AppKit/Icons/icon_regular_wallet');"
+            <ui:Image name="siwe-view__logo-app-image"/>
+        </ui:VisualElement>
+        <ui:VisualElement name="siwe-view__logo-wallet-container" class="siwe-view__logo siwe-view__logo-wallet">
+            <ui:Image name="siwe-view__logo-wallet-placeholder" style="--unity-image: resource('Reown/AppKit/Icons/icon_regular_wallet');"
                       class="siwe-view__logo-placeholder"/>
-        </ui:Image>
+            <ui:Image name="siwe-view__logo-wallet-image"/>
+        </ui:VisualElement>
     </ui:VisualElement>
     <ui:VisualElement name="siwe-view__instructions-container">
         <ui:Label name="siwe-view__title" class="text-paragraph"

src/Reown.AppKit.Unity/Runtime/AppKit.cs

@@ -85,9 +85,6 @@ public static void OpenModal(ViewType viewType = ViewType.None)
             if (!IsInitialized)
                 throw new Exception("AppKit not initialized"); // TODO: use custom ex type
 
-            if (IsModalOpen)
-                throw new Exception("AppKit already open"); // TODO: use custom ex type
-
             Instance.OpenModalCore(viewType);
         }
 

src/Reown.AppKit.Unity/Runtime/AppKitCore.cs

@@ -114,7 +114,8 @@ private static void AccountConnectedHandler(object sender, Connector.AccountConn
             if (WalletUtils.TryGetLastViewedWallet(out var lastViewedWallet))
                 WalletUtils.SetRecentWallet(lastViewedWallet);
 
-            CloseModal();
+            if (!SiweController.IsEnabled)
+                CloseModal();
         }
 
         private static void AccountDisconnectedHandler(object sender, Connector.AccountDisconnectedEventArgs e)

src/Reown.AppKit.Unity/Runtime/Components/Modal.cs

@@ -39,7 +39,7 @@ public Modal()
             body?.RegisterCallback<GeometryChangedEvent, Modal>(
                 (evt, modal) =>
                 {
-                    var newHeight = Mathf.RoundToInt(evt.newRect.height + header.resolvedStyle.height
+                    var newHeight = Mathf.CeilToInt(evt.newRect.height + header.resolvedStyle.height
 #if UNITY_ANDROID || UNITY_IOS
                         // Bottom safe area
                         + RuntimePanelUtils.ScreenToPanel(panel,

src/Reown.AppKit.Unity/Runtime/Components/Snackbar.cs

@@ -6,10 +6,11 @@ namespace Reown.AppKit.Unity.Components
 {
     public class Snackbar : VisualElement
     {
-        public static readonly string ClassName = "snackbar";
+        public const string ClassName = "snackbar";
         public static readonly string ClassNameIconContainer = $"{ClassName}__icon-container";
         public static readonly string ClassNameIconContainerColorError = $"{ClassNameIconContainer}--color-error";
         public static readonly string ClassNameIconContainerColorSuccess = $"{ClassNameIconContainer}--color-success";
+        public static readonly string ClassNameIconContainerColorInfo = $"{ClassNameIconContainer}--color-info";
         public static readonly string ClassNameIcon = $"{ClassName}__icon";
         public static readonly string ClassNameMessage = $"{ClassName}__message";
 
@@ -30,6 +31,10 @@ public IconColor CurrentIconColor
                         _iconContainer.AddToClassList(ClassNameIconContainerColorSuccess);
                         _currentColorClass = ClassNameIconContainerColorSuccess;
                         break;
+                    case IconColor.Info:
+                        _iconContainer.AddToClassList(ClassNameIconContainerColorInfo);
+                        _currentColorClass = ClassNameIconContainerColorInfo;
+                        break;
                     default:
                         throw new ArgumentOutOfRangeException(nameof(value), value, null);
                 }
@@ -56,7 +61,7 @@ public string Message
         {
         }
 
-        public Snackbar() : this(IconColor.Success, "Hello, friend!")
+        public Snackbar() : this(IconColor.Success, "")
         {
         }
 
@@ -77,6 +82,7 @@ public Snackbar(IconColor iconColor, string message)
 
         public enum IconColor
         {
+            Info,
             Error,
             Success
         }

src/Reown.AppKit.Unity/Runtime/Controllers/SiweController.cs

@@ -1,6 +1,5 @@
 using System;
 using System.Linq;
-using System.Threading;
 using System.Threading.Tasks;
 using Newtonsoft.Json;
 using UnityEngine;
@@ -92,13 +91,8 @@ public async ValueTask<SiweSession> GetSessionAsync(GetSiweSessionArgs args)
                 session = new SiweSession(args);
             }
 
-            Debug.Log($"[SiweController] Session is null: {session == null}");
             var json = JsonConvert.SerializeObject(session);
-            Debug.Log($"[SiweController] Session JSON: {json}");
-            Debug.Log($"Thread id: {Thread.CurrentThread.ManagedThreadId}");
             PlayerPrefs.SetString(SessionPlayerPrefsKey, json);
-            // PlayerPrefs.Save();
-            Debug.Log("[SiweController] Session saved to PlayerPrefs.");
 
             Config.OnSignInSuccess(session);
 
@@ -107,18 +101,29 @@ public async ValueTask<SiweSession> GetSessionAsync(GetSiweSessionArgs args)
 
         public async ValueTask DisconnectAsync()
         {
-            Debug.Log("[SiweController] Delete session from PlayerPrefs.");
             PlayerPrefs.DeleteKey(SessionPlayerPrefsKey);
 
             if (Config.SignOut != null)
             {
                 await Config.SignOut();
             }
 
-            Debug.Log("[SiweController] Sign out success.");
             Config.OnSignOutSuccess();
         }
 
+        public bool TryLoadSiweSessionFromStorage(out SiweSession session)
+        {
+            var siweSessionJson = PlayerPrefs.GetString(SessionPlayerPrefsKey);
+            if (string.IsNullOrWhiteSpace(siweSessionJson))
+            {
+                session = null;
+                return false;
+            }
+
+            session = JsonConvert.DeserializeObject<SiweSession>(siweSessionJson);
+            return true;
+        }
+
         private async void AccountDisconnectedHandler(object sender, Connector.AccountDisconnectedEventArgs e)
         {
             if (IsEnabled && Config.SignOutOnWalletDisconnect)
@@ -132,30 +137,25 @@ private async void ChainChangedHandler(object sender, NetworkController.ChainCha
             if (!IsEnabled || !Config.SignOutOnChainChange)
                 return;
 
-            var siweSessionJson = PlayerPrefs.GetString(SessionPlayerPrefsKey);
-            if (string.IsNullOrWhiteSpace(siweSessionJson))
+            if (!TryLoadSiweSessionFromStorage(out var siweSession))
                 return;
 
-            var siweSession = JsonConvert.DeserializeObject<SiweSession>(siweSessionJson);
-            if (!siweSession.EthChainIds.Contains(e.NewChain.ChainReference))
-            {
-                await DisconnectAsync();
-                // TODO: request signature instead
-                await AppKit.DisconnectAsync();
-            }
+            if (siweSession.EthChainIds.Contains(e.NewChain.ChainReference))
+                return;
+
+            await DisconnectAsync();
+            // TODO: request signature instead
+            await AppKit.DisconnectAsync();
         }
 
         private async void AccountChangedHandler(object sender, Connector.AccountChangedEventArgs e)
         {
             if (!IsEnabled || !Config.SignOutOnAccountChange)
                 return;
 
-            var siweSessionJson = PlayerPrefs.GetString(SessionPlayerPrefsKey);
-            if (string.IsNullOrWhiteSpace(siweSessionJson))
+            if (!TryLoadSiweSessionFromStorage(out var siweSession))
                 return;
 
-            var siweSession = JsonConvert.DeserializeObject<SiweSession>(siweSessionJson);
-
             if (!string.Equals(siweSession.EthAddress, e.Account.Address, StringComparison.InvariantCultureIgnoreCase))
             {
                 await DisconnectAsync();

src/Reown.AppKit.Unity/Runtime/Presenters/AccountPresenter.cs

@@ -189,7 +189,7 @@ protected virtual void OnCopyAddressButtonClick()
         {
             var address = AppKit.AccountController.Address;
             GUIUtility.systemCopyBuffer = address;
-            AppKit.NotificationController.Notify(NotificationType.Success, "EthAddress copied");
+            AppKit.NotificationController.Notify(NotificationType.Success, "Ethereum address copied");
         }
 
         private void ButtonsSetEnabled(bool value)

src/Reown.AppKit.Unity/Runtime/Presenters/ModalHeaderPresenter.cs

@@ -1,10 +1,10 @@
 using System.Collections;
 using System.Collections.Generic;
-using UnityEngine;
-using UnityEngine.UIElements;
 using Reown.AppKit.Unity.Components;
 using Reown.AppKit.Unity.Utils;
 using Reown.Sign.Unity;
+using UnityEngine;
+using UnityEngine.UIElements;
 
 namespace Reown.AppKit.Unity
 {
@@ -82,13 +82,15 @@ private IEnumerator ShowSnackbarCoroutine(NotificationEventArgs notification)
             {
                 NotificationType.Error => Snackbar.IconColor.Error,
                 NotificationType.Success => Snackbar.IconColor.Success,
-                _ => Snackbar.IconColor.Success // TODO: change to info
+                NotificationType.Info => Snackbar.IconColor.Info,
+                _ => Snackbar.IconColor.Info
             };
 
             var icon = notification.type switch
             {
                 NotificationType.Error => Resources.Load<VectorImage>("Reown/AppKit/Icons/icon_bold_warningcircle"),
                 NotificationType.Success => Resources.Load<VectorImage>("Reown/AppKit/Icons/icon_bold_checkmark"),
+                NotificationType.Info => Resources.Load<VectorImage>("Reown/AppKit/Icons/icon_bold_info"),
                 _ => Resources.Load<VectorImage>("Reown/AppKit/Icons/icon_bold_warningcircle")
             };
 
@@ -109,6 +111,15 @@ private void ViewChangedHandler(object _, ViewChangedEventArgs args)
             if (_leftSlotItems.TryGetValue(args.oldViewType, out var oldItem))
                 oldItem.style.display = DisplayStyle.None;
 
+            if (args.newPresenter == null)
+                return;
+
+            // Right slot
+            View.rightSlot.style.visibility = !args.newPresenter.EnableCloseButton
+                ? Visibility.Hidden
+                : Visibility.Visible;
+
+            // Left slot
             if (_leftSlotItems.TryGetValue(args.newViewType, out var newItem))
             {
                 newItem.style.display = DisplayStyle.Flex;
@@ -119,10 +130,10 @@ private void ViewChangedHandler(object _, ViewChangedEventArgs args)
                 View.leftSlot.style.visibility = Visibility.Hidden;
             }
 
-            if (args.newPresenter != null)
-                View.style.borderBottomWidth = args.newPresenter.HeaderBorder
-                    ? 1
-                    : 0;
+            // Header border
+            View.style.borderBottomWidth = args.newPresenter.HeaderBorder
+                ? 1
+                : 0;
         }
 
         protected override void Dispose(bool disposing)

src/Reown.AppKit.Unity/Runtime/Presenters/Presenter.cs

@@ -1,5 +1,4 @@
 using System;
-using UnityEngine;
 using UnityEngine.UIElements;
 
 namespace Reown.AppKit.Unity
@@ -10,6 +9,11 @@ public abstract class PresenterBase : IDisposable
 
         public virtual bool HeaderBorder { get; protected set; } = true;
 
+        /// <summary>
+        ///     If true, the close button will be shown in the modal header.
+        /// </summary>
+        public virtual bool EnableCloseButton { get; protected set; } = true;
+
         public RouterController Router { get; protected set; }
 
         public virtual VisualElement ViewVisualElement { get; protected set; }
@@ -18,18 +22,27 @@ public abstract class PresenterBase : IDisposable
 
         private bool _disposed;
 
+        /// <summary>
+        ///     Called when the view becomes visible.
+        /// </summary>
         public void OnVisible()
         {
             IsVisible = true;
             OnVisibleCore();
         }
 
+        /// <summary>
+        ///     Called when the view becomes hidden, but still remains in the Router stack.
+        /// </summary>
         public void OnHide()
         {
             IsVisible = false;
             OnHideCore();
         }
 
+        /// <summary>
+        ///     Called when the view is completely removed from the Router stack.
+        /// </summary>
         public void OnDisable()
         {
             IsVisible = false;
@@ -93,30 +106,49 @@ public Presenter(RouterController router, VisualElement parent, bool hideView =
             BuildView(hideView);
         }
 
+        /// <summary>
+        ///     Builds the view and adds it to the parent view (usually <see cref="RouterController.RootVisualElement" /> of the Router).
+        /// </summary>
         protected void BuildView(bool hideView)
         {
             View = CreateViewInstance();
             View.style.display = hideView ? DisplayStyle.None : DisplayStyle.Flex;
             Parent.Add(View);
         }
 
+        /// <summary>
+        ///     Implements the creation of the view instance.
+        /// </summary>
         protected virtual TView CreateViewInstance()
         {
             return new TView();
         }
 
+        /// <summary>
+        ///     Called when the view becomes visible.
+        /// </summary>
         protected override void OnVisibleCore()
         {
         }
 
+        /// <summary>
+        ///     Called when the view becomes hidden, but still remains in the Router stack.
+        /// </summary>
         protected override void OnHideCore()
         {
         }
 
+        /// <summary>
+        ///     Called when the view is completely removed from the Router stack.
+        /// </summary>
         protected override void OnDisableCore()
         {
         }
 
+        /// <summary>
+        ///     Router will dispose the presenter if it's no longer needed.
+        ///     This happens when another presenter of the same typed is registered in the Router via <see cref="RouterController.RegisterDefaultModalViews" />
+        /// </summary>
         protected override void Dispose(bool disposing)
         {
             if (_disposed)