refactor: spring-in, fade-out toast motion

Bitkit/Components/ToastView.swift

@@ -21,7 +21,7 @@ struct ToastView: View {
         .frame(maxWidth: .infinity, alignment: .leading)
         .padding(16)
         .background(accentColor.opacity(0.32))
-        .background(.ultraThinMaterial)
+        .background(BlurView())
         .cornerRadius(16)
         .shadow(color: .black.opacity(0.4), radius: 10, x: 0, y: 25)
         .accessibilityIdentifierIfPresent(toast.accessibilityIdentifier)
@@ -78,7 +78,7 @@ struct ToastView: View {
                         }
                     } else {
                         // Snap back to original position
-                        withAnimation(.spring(response: 0.3, dampingFraction: 0.7)) {
+                        withAnimation(ToastMotion.entrance) {
                             dragOffset = 0
                         }
                     }

Bitkit/Managers/ToastWindowManager.swift

@@ -1,6 +1,17 @@
 import SwiftUI
 import UIKit
 
+/// Motion for toast show/hide. Arrival is physical (a gentle spring settle); departure just
+/// gets out of the way (a quick fade), mirroring Apple's system banner pattern.
+enum ToastMotion {
+    static let entrance: Animation = .snappy(duration: 0.4)
+    static let exit: Animation = .easeOut(duration: exitDuration)
+    /// Hit-test frame cleanup waits for the exit to finish, with a small buffer.
+    static let exitSettleTime: Double = exitDuration + 0.1
+
+    private static let exitDuration: Double = 0.2
+}
+
 @MainActor
 class ToastWindowManager: ObservableObject {
     static let shared = ToastWindowManager()
@@ -53,7 +64,7 @@ class ToastWindowManager: ObservableObject {
         window.hasToast = true
 
         // Show the toast with animation
-        withAnimation(.easeInOut(duration: 0.4)) {
+        withAnimation(ToastMotion.entrance) {
             currentToast = toast
         }
 
@@ -66,12 +77,12 @@ class ToastWindowManager: ObservableObject {
     func hideToast() {
         cancelAutoHide()
         toastWindow?.hasToast = false
-        withAnimation(.easeInOut(duration: 0.4)) {
+        withAnimation(ToastMotion.exit) {
             currentToast = nil
         }
         // Clear frame after animation completes to avoid race conditions during animation
         Task { @MainActor [weak self] in
-            try? await Task.sleep(nanoseconds: UInt64(0.4 * 1_000_000_000))
+            try? await Task.sleep(nanoseconds: UInt64(ToastMotion.exitSettleTime * 1_000_000_000))
             self?.toastWindow?.toastFrame = .zero
         }
     }
@@ -112,12 +123,12 @@ class ToastWindowManager: ObservableObject {
             // Atomically update both hasToast and toastFrame
             toastWindow?.hasToast = false
 
-            withAnimation(.easeInOut(duration: 0.4)) {
+            withAnimation(ToastMotion.exit) {
                 self.currentToast = nil
             }
 
             // Clear frame after animation completes to avoid race conditions during animation
-            try? await Task.sleep(nanoseconds: UInt64(0.4 * 1_000_000_000))
+            try? await Task.sleep(nanoseconds: UInt64(ToastMotion.exitSettleTime * 1_000_000_000))
             guard !Task.isCancelled else { return }
             toastWindow?.toastFrame = .zero
 
@@ -244,15 +255,26 @@ struct ToastWindowView: View {
                         .allowsHitTesting(false) // Spacer doesn't intercept touches
                 }
                 .id(toast.id)
-                .transition(.move(edge: .top).combined(with: .opacity))
+                // Materialize in place: the toast settles down from 12pt above its resting
+                // position with a fade and a slight scale-up, reading as "arriving" without
+                // sweeping the whole banner across the screen. Departure is a plain fade; the
+                // toast has been read by then, so any exit motion is just noise.
+                .transition(
+                    .asymmetric(
+                        insertion: .offset(y: -12).combined(with: .opacity).combined(with: .scale(scale: 0.98)),
+                        removal: .opacity
+                    )
+                )
             }
         }
         .onPreferenceChange(ToastFramePreferenceKey.self) { frame in
             // Only update if frame is not empty (valid frame from GeometryReader)
             guard !frame.isEmpty else { return }
             toastManager.updateToastFrame(globalFrame: frame)
         }
-        .animation(.easeInOut(duration: 0.4), value: toastManager.currentToast)
+        // No .animation(_:value:) here: it would override the withAnimation transactions in
+        // ToastWindowManager and force both directions onto one curve. Show and hide set their
+        // own (asymmetric) animations.
         .preferredColorScheme(.dark) // Force dark color scheme
     }
 }

changelog.d/next/592.changed.md

@@ -0,0 +1 @@
+Toast notifications now arrive with a gentle spring settle, fade out quickly, and render their accent colors true to the design instead of washed out.