diff --git a/src/components/ui/sonner.tsx b/src/components/ui/sonner.tsx
index cd62aff..33d2d2a 100644
--- a/src/components/ui/sonner.tsx
+++ b/src/components/ui/sonner.tsx
@@ -1,5 +1,5 @@
 import { useTheme } from "next-themes"
-import { Toaster as Sonner, ToasterProps } from "sonner"
+import { Toaster as Sonner, type ToasterProps } from "sonner"
 
 const Toaster = ({ ...props }: ToasterProps) => {
   const { theme = "system" } = useTheme()
diff --git a/src/pages/AccountPage.tsx b/src/pages/AccountPage.tsx
index e2aee0c..f80e194 100644
--- a/src/pages/AccountPage.tsx
+++ b/src/pages/AccountPage.tsx
@@ -9,6 +9,7 @@ import {
 } from '@/components/ui/card'
 import { Input } from '@/components/ui/input'
 import { Label } from '@/components/ui/label'
+import { toast } from 'sonner'
 import { useAuth } from '@/hooks/use-auth'
 import { apiService } from '@/services/api'
 import { useEffect, useRef, useState } from 'react'
@@ -78,13 +79,16 @@ export function AccountPage() {
 
       if (response.ok) {
         setMessage('Profile updated successfully!')
+        toast.success('Profile updated successfully!')
         await refreshUser() // Refresh user data in context
       } else {
         setError(data.error || 'Failed to update profile')
+        toast.error(data.error || 'Failed to update profile')
       }
     } catch (error) {
       console.error('Failed to update profile:', error)
       setError('Failed to update profile')
+      toast.error('Failed to update profile')
     } finally {
       setIsLoading(false)
     }
@@ -108,6 +112,7 @@ export function AccountPage() {
         setMessage(
           "New API token generated successfully! Copy it now - it won't be shown again.",
         )
+        toast.success('New API token generated successfully!')
         await refreshUser() // Refresh user data
 
         // Auto-select the token text for easy copying
@@ -119,10 +124,12 @@ export function AccountPage() {
         }, 100)
       } else {
         setError(data.error || 'Failed to regenerate API token')
+        toast.error(data.error || 'Failed to regenerate API token')
       }
     } catch (error) {
       console.error('Failed to regenerate API token:', error)
       setError('Failed to regenerate API token')
+      toast.error('Failed to regenerate API token')
     } finally {
       setIsLoading(false)
     }
@@ -134,9 +141,11 @@ export function AccountPage() {
     try {
       await navigator.clipboard.writeText(apiToken)
       setMessage('API token copied to clipboard!')
+      toast.success('API token copied to clipboard!')
     } catch (error) {
       console.error('Failed to copy token:', error)
       setError('Failed to copy token to clipboard')
+      toast.error('Failed to copy token to clipboard')
     }
   }
 
@@ -149,6 +158,7 @@ export function AccountPage() {
   const handleThemeChange = (newTheme: string) => {
     setTheme(newTheme as 'light' | 'dark' | 'system')
     setMessage('Theme updated successfully!')
+    toast.success('Theme updated successfully!')
   }
 
   const handlePasswordUpdate = async () => {
@@ -190,7 +200,9 @@ export function AccountPage() {
       const data = await response.json()
 
       if (response.ok) {
-        setMessage(loggedInViaPassword ? 'Password changed successfully!' : 'Password set successfully!')
+        const successMessage = loggedInViaPassword ? 'Password changed successfully!' : 'Password set successfully!'
+        setMessage(successMessage)
+        toast.success(successMessage)
         setCurrentPassword('')
         setNewPassword('')
         setConfirmPassword('')
@@ -198,10 +210,12 @@ export function AccountPage() {
         await refreshUser() // Refresh user data
       } else {
         setError(data.error || 'Failed to update password')
+        toast.error(data.error || 'Failed to update password')
       }
     } catch (error) {
       console.error('Failed to update password:', error)
       setError('Failed to update password')
+      toast.error('Failed to update password')
     } finally {
       setIsLoading(false)
     }
diff --git a/src/pages/AdminSoundsPage.tsx b/src/pages/AdminSoundsPage.tsx
index 9ab7d12..253ff65 100644
--- a/src/pages/AdminSoundsPage.tsx
+++ b/src/pages/AdminSoundsPage.tsx
@@ -11,6 +11,7 @@ import {
   Database,
   Zap
 } from 'lucide-react';
+import { toast } from 'sonner';
 import { apiService } from '@/services/api';
 
 interface Sound {
@@ -78,6 +79,7 @@ export function AdminSoundsPage() {
       setTotalPages(data.pagination?.pages || 1);
     } catch (err) {
       setError('Failed to load sounds');
+      toast.error('Failed to load sounds');
       console.error('Error fetching sounds:', err);
     } finally {
       setLoading(false);
@@ -112,13 +114,15 @@ export function AdminSoundsPage() {
       const data = await response.json();
       
       if (response.ok) {
-        alert(`Scan completed: ${data.files_added} new sounds added, ${data.files_skipped} skipped`);
+        toast.success(`Scan completed: ${data.files_added} new sounds added, ${data.files_skipped} skipped`);
         await fetchData();
       } else {
         setError(data.error || 'Scan failed');
+        toast.error(data.error || 'Scan failed');
       }
     } catch (err) {
       setError('Failed to scan sounds');
+      toast.error('Failed to scan sounds');
       console.error('Error scanning sounds:', err);
     } finally {
       setScanning(false);
@@ -136,13 +140,15 @@ export function AdminSoundsPage() {
       const data = await response.json();
       
       if (response.ok) {
-        alert(`Normalization completed: ${data.successful} successful, ${data.failed} failed, ${data.skipped} skipped`);
+        toast.success(`Normalization completed: ${data.successful} successful, ${data.failed} failed, ${data.skipped} skipped`);
         await fetchData();
       } else {
         setError(data.error || 'Normalization failed');
+        toast.error(data.error || 'Normalization failed');
       }
     } catch (err) {
       setError('Failed to normalize sounds');
+      toast.error('Failed to normalize sounds');
       console.error('Error normalizing sounds:', err);
     } finally {
       setNormalizing(false);
@@ -158,36 +164,49 @@ export function AdminSoundsPage() {
       const data = await response.json();
       
       if (response.ok) {
-        alert(`Sound normalized successfully`);
+        toast.success('Sound normalized successfully');
         await fetchData();
       } else {
-        alert(`Normalization failed: ${data.error}`);
+        toast.error(`Normalization failed: ${data.error}`);
       }
     } catch (err) {
-      alert('Failed to normalize sound');
+      toast.error('Failed to normalize sound');
       console.error('Error normalizing sound:', err);
     }
   };
 
   const handleDeleteSound = async (soundId: number, soundName: string) => {
-    if (!confirm(`Are you sure you want to delete "${soundName}"?`)) {
-      return;
-    }
+    const confirmDelete = () => {
+      toast.promise(
+        (async () => {
+          const response = await apiService.delete(`/api/admin/sounds/${soundId}`);
+          const data = await response.json();
+          
+          if (response.ok) {
+            await fetchData();
+            return `Sound "${soundName}" deleted successfully`;
+          } else {
+            throw new Error(data.error || 'Delete failed');
+          }
+        })(),
+        {
+          loading: `Deleting "${soundName}"...`,
+          success: (message) => message,
+          error: (err) => `Failed to delete sound: ${err.message}`,
+        }
+      );
+    };
 
-    try {
-      const response = await apiService.delete(`/api/admin/sounds/${soundId}`);
-      const data = await response.json();
-      
-      if (response.ok) {
-        alert('Sound deleted successfully');
-        await fetchData();
-      } else {
-        alert(`Delete failed: ${data.error}`);
-      }
-    } catch (err) {
-      alert('Failed to delete sound');
-      console.error('Error deleting sound:', err);
-    }
+    toast(`Are you sure you want to delete "${soundName}"?`, {
+      action: {
+        label: 'Delete',
+        onClick: confirmDelete,
+      },
+      cancel: {
+        label: 'Cancel',
+        onClick: () => {},
+      },
+    });
   };
 
   const formatFileSize = (bytes: number) => {
diff --git a/src/pages/LoginPage.tsx b/src/pages/LoginPage.tsx
index 7ef8bf8..9736df5 100644
--- a/src/pages/LoginPage.tsx
+++ b/src/pages/LoginPage.tsx
@@ -4,6 +4,7 @@ import { Button } from '@/components/ui/button'
 import { Input } from '@/components/ui/input'
 import { Label } from '@/components/ui/label'
 import { Card, CardContent, CardDescription, CardHeader, CardTitle } from '@/components/ui/card'
+import { toast } from 'sonner'
 import { useAuth } from '@/hooks/use-auth'
 import { authService } from '@/services/auth'
 
@@ -60,9 +61,12 @@ export function LoginPage() {
 
     try {
       await login(email, password)
+      toast.success('Login successful! Welcome back.')
       navigate('/')
     } catch (error) {
-      setError(error instanceof Error ? error.message : 'Login failed')
+      const errorMessage = error instanceof Error ? error.message : 'Login failed'
+      setError(errorMessage)
+      toast.error(errorMessage)
     } finally {
       setLoading(false)
     }
diff --git a/src/pages/RegisterPage.tsx b/src/pages/RegisterPage.tsx
index 5a7b6b5..8bed0e3 100644
--- a/src/pages/RegisterPage.tsx
+++ b/src/pages/RegisterPage.tsx
@@ -4,6 +4,7 @@ import { Button } from '@/components/ui/button'
 import { Input } from '@/components/ui/input'
 import { Label } from '@/components/ui/label'
 import { Card, CardContent, CardDescription, CardHeader, CardTitle } from '@/components/ui/card'
+import { toast } from 'sonner'
 import { useAuth } from '@/hooks/use-auth'
 import { authService } from '@/services/auth'
 
@@ -72,9 +73,12 @@ export function RegisterPage() {
 
     try {
       await register(formData.email, formData.password, formData.name)
+      toast.success('Account created successfully! Welcome!')
       navigate('/')
     } catch (error) {
-      setError(error instanceof Error ? error.message : 'Registration failed')
+      const errorMessage = error instanceof Error ? error.message : 'Registration failed'
+      setError(errorMessage)
+      toast.error(errorMessage)
     } finally {
       setLoading(false)
     }
diff --git a/src/pages/SoundboardPage.tsx b/src/pages/SoundboardPage.tsx
index cd003b9..dbcd4c3 100644
--- a/src/pages/SoundboardPage.tsx
+++ b/src/pages/SoundboardPage.tsx
@@ -2,6 +2,7 @@ import React, { useState, useEffect } from 'react';
 import { Card, CardContent, CardHeader, CardTitle } from '@/components/ui/card';
 import { Button } from '@/components/ui/button';
 import { Play, Square, Volume2 } from 'lucide-react';
+import { toast } from 'sonner';
 import { apiService } from '@/services/api';
 
 interface Sound {
@@ -87,6 +88,7 @@ export function SoundboardPage() {
       setSounds(data.sounds || []);
     } catch (err) {
       setError('Failed to load sounds');
+      toast.error('Failed to load sounds');
       console.error('Error fetching sounds:', err);
     } finally {
       setLoading(false);
@@ -104,6 +106,7 @@ export function SoundboardPage() {
       }, 1000);
     } catch (err) {
       setError('Failed to play sound');
+      toast.error('Failed to play sound');
       console.error('Error playing sound:', err);
       setPlayingSound(null);
     }
@@ -113,8 +116,10 @@ export function SoundboardPage() {
     try {
       await apiService.post('/api/soundboard/stop-all');
       setPlayingSound(null);
+      toast.success('All sounds stopped');
     } catch (err) {
       setError('Failed to stop sounds');
+      toast.error('Failed to stop sounds');
       console.error('Error stopping sounds:', err);
     }
   };
@@ -124,9 +129,10 @@ export function SoundboardPage() {
       const response = await apiService.post('/api/soundboard/force-stop');
       const data = await response.json();
       setPlayingSound(null);
-      alert(`Force stopped ${data.stopped_count} sound instances`);
+      toast.success(`Force stopped ${data.stopped_count} sound instances`);
     } catch (err) {
       setError('Failed to force stop sounds');
+      toast.error('Failed to force stop sounds');
       console.error('Error force stopping sounds:', err);
     }
   };