diff --git a/packages/craftcms-ui/src/components/button/button.a11y.md b/packages/craftcms-ui/src/components/button/button.a11y.md
new file mode 100644
index 00000000000..9f051db19f3
--- /dev/null
+++ b/packages/craftcms-ui/src/components/button/button.a11y.md
@@ -0,0 +1,8 @@
+# `craft-button` accessibility
+
+## Requirements
+
+- [x] Visible focus indicator via `:focus-visible` pseudo-class. This includes:
+  - An offset outline to maintain visibility against the button background color.
+  - An outline color that uses the adaptive color token (`--c-color-focus-outline`) for visibility in both light and dark modes.
+- [x] A loading message is announced via a built-in live region when the loading spinner is toggled on
\ No newline at end of file
diff --git a/packages/craftcms-ui/src/components/button/button.ts b/packages/craftcms-ui/src/components/button/button.ts
index 856d022a2eb..e9b65cc5685 100644
--- a/packages/craftcms-ui/src/components/button/button.ts
+++ b/packages/craftcms-ui/src/components/button/button.ts
@@ -1,7 +1,9 @@
 import {LionButtonSubmit} from '@lion/ui/button.js';
 import {html, nothing} from 'lit';
-import {property, state} from 'lit/decorators.js';
+import {property, state, query} from 'lit/decorators.js';
+import {t} from '@src/utilities/translate';
 import styles from './button.styles.js';
+import visuallyHiddenStyles from '@src/styles/visually-hidden.styles.js';
 import '../spinner/spinner.js';
 import '../icon/icon.js';
 import {computeAccessibleName} from 'dom-accessibility-api';
@@ -44,7 +46,7 @@ export type ButtonAppearance =
  */
 export default class CraftButton extends LionButtonSubmit {
   static override get styles() {
-    return [...super.styles, variantsStyles, styles];
+    return [...super.styles, visuallyHiddenStyles, variantsStyles, styles];
   }
 
   override connectedCallback() {
@@ -58,11 +60,38 @@ export default class CraftButton extends LionButtonSubmit {
     this.syncLinkHostState();
   }
 
+  override disconnectedCallback() {
+    super.disconnectedCallback();
+
+    if (this.announcementTimer) {
+      clearTimeout(this.announcementTimer);
+      this.announcementTimer = null;
+    }
+  }
+
   override updated(changedProperties: Map<string, unknown>) {
     super.updated(changedProperties);
     if (changedProperties.has('href') || changedProperties.has('disabled')) {
       this.syncLinkHostState();
     }
+
+    if (changedProperties.has('loading')) {
+      if (this.loading) {
+        this.announceLoading();
+      }
+    }
+  }
+
+  private announceLoading() {
+    this.liveRegion.textContent = t('Loading');
+
+    if (this.announcementTimer) {
+      clearTimeout(this.announcementTimer);
+    }
+
+    this.announcementTimer = setTimeout(() => {
+      this.liveRegion.textContent = '';
+    }, 5000);
   }
 
   private syncLinkHostState() {
@@ -156,11 +185,15 @@ export default class CraftButton extends LionButtonSubmit {
   @property({attribute: 'icon-position'}) iconPosition: 'prefix' | 'suffix' =
     'prefix';
 
+  @query('[data-live-region]') liveRegion: HTMLElement;
+
   @state()
   private _hasAccessibilityError: boolean = false;
 
   private linkHostStateApplied = false;
 
+  private announcementTimer: ReturnType<typeof setTimeout> | null = null;
+
   private get isLink(): boolean {
     return !!this.href && !this.disabled;
   }
@@ -200,6 +233,7 @@ export default class CraftButton extends LionButtonSubmit {
       ${this.loading
         ? html`<craft-spinner part="spinner"></craft-spinner>`
         : nothing}
+      <span class="cp-visually-hidden" role="status" data-live-region></span>
     `;
 
     if (this.isLink) {
diff --git a/resources/js/common/components/LiveRegion.vue b/resources/js/common/components/LiveRegion.vue
index efab4e481d4..b3a3783742f 100644
--- a/resources/js/common/components/LiveRegion.vue
+++ b/resources/js/common/components/LiveRegion.vue
@@ -1,21 +1,17 @@
 <script setup lang="ts">
+  /**
+   * A top-level live region that should only have one instance per layer.
+   *
+   */
   import {useAnnouncer} from '@/common/composables/useAnnouncer';
-  import TransitionFade from '@/common/components/TransitionFade.vue';
 
   const {announcement} = useAnnouncer();
 </script>
 
 <template>
-  <TransitionFade>
-    <div
-      id="global-live-region"
-      class="sr-only"
-      role="status"
-      v-if="announcement"
-    >
-      {{ announcement }}
-    </div>
-  </TransitionFade>
+  <div class="sr-only" role="status">
+    {{ announcement }}
+  </div>
 </template>
 
 <style scoped lang="scss"></style>
diff --git a/resources/js/common/layouts/AppLayout.vue b/resources/js/common/layouts/AppLayout.vue
index 0a00cef18fd..564ca55c45f 100644
--- a/resources/js/common/layouts/AppLayout.vue
+++ b/resources/js/common/layouts/AppLayout.vue
@@ -194,7 +194,7 @@
 
 <template>
   <Head :title="pageTitle" />
-  <LiveRegion></LiveRegion>
+  <LiveRegion />
   <div class="cp">
     <header class="cp__header">
       <a
diff --git a/resources/js/common/layouts/AuthBase.vue b/resources/js/common/layouts/AuthBase.vue
index c675589546f..e6dd9170525 100644
--- a/resources/js/common/layouts/AuthBase.vue
+++ b/resources/js/common/layouts/AuthBase.vue
@@ -3,6 +3,7 @@
   import useCraftData from '@/common/composables/useCraftData';
   import craftCmsLogoUrl from '@public/images/craftcms.svg';
   import {t} from '@craftcms/ui';
+  import LiveRegion from '@/common/components/LiveRegion.vue';
 
   const props = withDefaults(
     defineProps<{
@@ -19,6 +20,7 @@
 <template>
   <Head :title="props.title"></Head>
   <main class="cp-login">
+    <LiveRegion />
     <div class="cp-login__wrapper grid gap-3 justify-items-center">
       <h1 class="flex justify-center">
         <img
@@ -82,7 +84,7 @@
   .cp-login__powered-by {
     display: block;
     margin-block-start: calc(70rem / 16);
-    opacity: 0.92;;
+    opacity: 0.92;
     text-align: center;
 
     &:hover,
diff --git a/resources/js/modules/auth/components/login/login-form.ts b/resources/js/modules/auth/components/login/login-form.ts
index 3713c24794e..01e5833eac3 100644
--- a/resources/js/modules/auth/components/login/login-form.ts
+++ b/resources/js/modules/auth/components/login/login-form.ts
@@ -15,7 +15,7 @@ import componentStyles from './login-form.styles.js';
 import type {TwoFactorData} from './login-challenge.js';
 import './login-challenge.js';
 import './login-reset-password.js';
-
+import {useAnnouncer} from '@/common/composables/useAnnouncer';
 type View = 'login' | 'reset-password' | 'challenge';
 
 /**
@@ -206,11 +206,9 @@ export default class CraftLoginForm extends LitElement {
   }
 
   #setError(message: string) {
+    const { announce } = useAnnouncer();
     this._error = message.trim();
-    const live = this.shadowRoot?.querySelector(
-      '.cp-visually-hidden[role="status"]'
-    );
-    if (live) live.textContent = message;
+    announce(this._error);
   }
 
   #handleSuccess(returnUrl: string) {
diff --git a/resources/js/modules/auth/components/login/login-reset-password.ts b/resources/js/modules/auth/components/login/login-reset-password.ts
index 92c21b191e4..83f35b43416 100644
--- a/resources/js/modules/auth/components/login/login-reset-password.ts
+++ b/resources/js/modules/auth/components/login/login-reset-password.ts
@@ -2,6 +2,7 @@ import {html, LitElement, nothing} from 'lit';
 import {property, query, state} from 'lit/decorators.js';
 import {actionClient, t} from '@craftcms/ui';
 import componentStyles from './login-form.styles.js';
+import {useAnnouncer} from '@/common/composables/useAnnouncer';
 
 /**
  * @summary Password-reset request form. Fires `reset-back` when the user
@@ -35,6 +36,12 @@ export default class CraftLoginResetPassword extends LitElement {
     return this.useEmailAsUsername ? t('Email') : t('Username or Email');
   }
 
+  #setError(message: string) {
+    const trimmedMessage = message.trim();
+    this._error = trimmedMessage;
+    useAnnouncer().announce(trimmedMessage);
+  }
+
   async #onSubmit(event: Event) {
     event.preventDefault();
 
@@ -55,7 +62,9 @@ export default class CraftLoginResetPassword extends LitElement {
       dialog.appendChild(msg);
       document.body.appendChild(dialog);
     } catch (e: any) {
-      this._error = e?.response?.data?.message ?? t('A server error occurred.');
+      this.#setError(
+        e?.response?.data?.message ?? t('A server error occurred.')
+      );
     } finally {
       this._busy = false;
     }