diff --git a/src/components/ToastRenderer.vue b/src/components/ToastRenderer.vue
new file mode 100644
index 0000000..65e9587
--- /dev/null
+++ b/src/components/ToastRenderer.vue
@@ -0,0 +1,106 @@
+<script setup lang="ts">
+import { Toast } from 'reka-ui/namespaced';
+
+const toastStore = useToasts();
+
+function handleOpenUpdate(id: number, open: boolean) {
+	if (!open) {
+		setTimeout(() => {
+			toastStore.remove(id);
+		}, 1000);
+	}
+}
+</script>
+
+<template>
+  <Toast.Provider disable-swipe>
+    <div
+      v-for="toast of toastStore.getAll()"
+      :key="toast.id"
+    >
+      <Toast.Root
+        v-slot="{ open }"
+        as-child
+        force-mount
+
+        @update:open="val => handleOpenUpdate(toast.id, val)"
+      >
+        <div
+          class="toast"
+          :class="{
+            'type-success': toast.content.type === 'success',
+            'type-error': toast.content.type === 'error',
+          }"
+        >
+          <Transition
+            name="toast-slide"
+            appear
+          >
+            <div
+              v-if="open"
+              class="content"
+            >
+              <Toast.Title>
+                {{ toast.content.text }}
+              </Toast.Title>
+            </div>
+          </Transition>
+        </div>
+      </Toast.Root>
+    </div>
+
+    <Toast.Viewport class="toast-viewport" />
+  </Toast.Provider>
+</template>
+
+<style scoped>
+.toast {
+	bottom: 0;
+	position: absolute;
+	left: 0;
+	right: 0;
+	display: flex;
+	justify-content: center;
+	pointer-events: none;
+	text-align: center;
+}
+.toast .content {
+	border-radius: 5px;
+	padding: 1em 2em;
+	pointer-events: initial;
+}
+.toast.type-error .content {
+	background: var(--red-shade-1);
+}
+.toast.type-success .content {
+	background: var(--green-shade-0);
+}
+</style>
+
+<style>
+.toast-viewport {
+	z-index: 55;
+	display: flex;
+	justify-content: center;
+	position: fixed;
+	left: 0;
+	right: 0;
+	bottom: 35px;
+	pointer-events: none;
+}
+
+.toast-slide-enter-active,
+.toast-slide-leave-active {
+	transition: transform 500ms ease;
+}
+
+.toast-slide-enter-from,
+.toast-slide-leave-to {
+	transform: translateY(150px);
+}
+
+.toast-slide-enter-to,
+.toast-slide-leave-from {
+	transform: translateY(0px);
+}
+</style>
diff --git a/src/layouts/default.vue b/src/layouts/default.vue
index be7b6e7..5b751a0 100644
--- a/src/layouts/default.vue
+++ b/src/layouts/default.vue
@@ -11,6 +11,7 @@ useHead({
     id="root"
     class="main-body"
   >
+    <ToastRenderer />
     <Navbar />
     <div class="wrapper">
       <slot />
diff --git a/src/pages/account/login.vue b/src/pages/account/login.vue
index 3dbc949..fada313 100644
--- a/src/pages/account/login.vue
+++ b/src/pages/account/login.vue
@@ -2,6 +2,7 @@
 const route = useRoute();
 const auth = useAuthStore();
 const authUtils = useAuthUtils();
+const toasts = useToasts();
 const redirect = computed(() => route.query.redirect?.toString() ?? null);
 const registerURI = computed(() => {
 	if (redirect.value) {
@@ -14,7 +15,6 @@ const registerURI = computed(() => {
 });
 
 const loginForm = reactive({ username: '', password: '' });
-const errorMessage = ref<string | null>();
 
 async function loginSubmission() {
 	try {
@@ -32,11 +32,10 @@ async function loginSubmission() {
 		await authUtils.safelyRedirectAfterLogin(redirect.value);
 	} catch (error: unknown) {
 		const err = getApiError(error);
-		errorMessage.value = err.code;
-
-		setTimeout(() => { // TODO: replace this toast
-			errorMessage.value = null;
-		}, 5000);
+		toasts.publish({
+			type: 'error',
+			text: err.message
+		});
 	}
 }
 </script>
@@ -85,14 +84,6 @@ async function loginSubmission() {
         </div>
       </form>
     </div>
-    <div
-      v-if="errorMessage"
-      class="banner-notice error"
-    >
-      <div>
-        <p>{{ errorMessage }}</p>
-      </div>
-    </div>
   </div>
 </template>
 
diff --git a/src/pages/account/register.vue b/src/pages/account/register.vue
index 752a4d2..284345a 100644
--- a/src/pages/account/register.vue
+++ b/src/pages/account/register.vue
@@ -4,6 +4,7 @@ import type { ApiAuthRegisterRequest } from '~~/shared/api-types';
 const route = useRoute();
 const auth = useAuthStore();
 const authUtils = useAuthUtils();
+const toasts = useToasts();
 const redirect = computed(() => route.query.redirect?.toString() ?? null);
 const loginURI = computed(() => {
 	if (redirect.value) {
@@ -16,8 +17,6 @@ const loginURI = computed(() => {
 });
 
 const registerForm = reactive({ email: '', username: '', mii_name: '', password: '', password_confirm: '' });
-
-const errorMessage = ref<string | null>();
 const captchaRef = useTemplateRef('captcha');
 
 async function registerSubmission() {
@@ -47,10 +46,10 @@ async function registerSubmission() {
 		await authUtils.safelyRedirectAfterLogin(redirect.value);
 	} catch (error: unknown) {
 		const err = getApiError(error);
-		errorMessage.value = err.code;
-		setTimeout(() => { // TODO: replace this toast
-			errorMessage.value = null;
-		}, 5000);
+		toasts.publish({
+			type: 'error',
+			text: err.message
+		});
 	}
 }
 </script>
@@ -137,14 +136,6 @@ async function registerSubmission() {
         </div>
       </form>
     </div>
-    <div
-      v-if="errorMessage"
-      class="banner-notice error"
-    >
-      <div>
-        <p>{{ errorMessage }}</p>
-      </div>
-    </div>
   </div>
 </template>
 
diff --git a/src/stores/toasts.ts b/src/stores/toasts.ts
new file mode 100644
index 0000000..d908ca8
--- /dev/null
+++ b/src/stores/toasts.ts
@@ -0,0 +1,30 @@
+export type ToastContent = {
+	type: 'success' | 'error';
+	text: string;
+};
+
+export type ToastItem = {
+	id: number;
+	content: ToastContent;
+};
+
+export const useToasts = defineStore('toasts', () => {
+	let idCounter = 0;
+	const toasts = ref<ToastItem[]>([]);
+	const readonlyToasts = computed(() => toasts.value);
+
+	return {
+		getAll() {
+			return readonlyToasts.value;
+		},
+		remove(id: number) {
+			toasts.value = toasts.value.filter(v => v.id !== id);
+		},
+		publish(item: ToastContent) {
+			toasts.value.push({
+				id: idCounter++,
+				content: item
+			});
+		}
+	};
+});