feat(a11y): animate only using motion-safe

app/components/AppFooter.vue

@@ -137,7 +137,12 @@ onMounted(() => {
     z-index: 40;
     /* Hidden by default (translated off-screen) */
     transform: translateY(100%);
-    transition: transform 0.3s ease-out;
+  }
+
+  @media (prefers-reduced-motion: no-preference) {
+    .footer-scroll-state {
+      transition: transform 0.3s ease-out;
+    }
   }
 
   /* Show footer when user can scroll up (meaning they've scrolled down) */

app/components/LoadingSpinner.vue

@@ -9,7 +9,9 @@ const { t } = useI18n()
 
 <template>
   <div aria-busy="true" class="flex items-center gap-3 text-fg-muted font-mono text-sm py-8">
-    <span class="w-4 h-4 border-2 border-fg-subtle border-t-fg rounded-full animate-spin" />
+    <span
+      class="w-4 h-4 border-2 border-fg-subtle border-t-fg rounded-full motion-safe:animate-spin"
+    />
     {{ text ?? t('common.loading') }}
   </div>
 </template>

app/components/OrgMembersPanel.vue

@@ -309,7 +309,7 @@ watch(lastExecutionTime, () => {
       >
         <span
           class="i-carbon-renew block w-4 h-4"
-          :class="{ 'animate-spin': isLoading || isLoadingTeams }"
+          :class="{ 'motion-safe:animate-spin': isLoading || isLoadingTeams }"
           aria-hidden="true"
         />
       </button>

app/components/OrgTeamsPanel.vue

@@ -331,7 +331,7 @@ watch(lastExecutionTime, () => {
     <!-- Loading state -->
     <div v-if="isLoadingTeams && teams.length === 0" class="p-8 text-center">
       <span
-        class="i-carbon-rotate-180 block w-5 h-5 text-fg-muted animate-spin mx-auto"
+        class="i-carbon-rotate-180 block w-5 h-5 text-fg-muted motion-safe:animate-spin mx-auto"
         aria-hidden="true"
       />
       <p class="font-mono text-sm text-fg-muted mt-2">{{ $t('org.teams.loading') }}</p>
@@ -390,7 +390,7 @@ watch(lastExecutionTime, () => {
             </span>
             <span
               v-if="isLoadingUsers[teamName]"
-              class="i-carbon-rotate-180 w-3 h-3 text-fg-muted animate-spin"
+              class="i-carbon-rotate-180 w-3 h-3 text-fg-muted motion-safe:animate-spin"
               aria-hidden="true"
             />
           </button>

app/components/PackageAccessControls.vue

@@ -164,7 +164,7 @@ watch(
       >
         <span
           class="i-carbon-renew block w-3.5 h-3.5"
-          :class="{ 'animate-spin': isLoadingCollaborators }"
+          :class="{ 'motion-safe:animate-spin': isLoadingCollaborators }"
           aria-hidden="true"
         />
       </button>

app/components/PackageList.vue

@@ -111,7 +111,7 @@ defineExpose({
             :show-publisher="showPublisher"
             :selected="index === (selectedIndex ?? -1)"
             :index="index"
-            class="animate-fade-in animate-fill-both"
+            class="motion-safe:animate-fade-in motion-safe:animate-fill-both"
             :style="{ animationDelay: `${Math.min(index * 0.02, 0.3)}s` }"
             @focus="emit('select', $event)"
           />
@@ -122,7 +122,9 @@ defineExpose({
     <!-- Loading indicator -->
     <div v-if="isLoading" class="py-4 flex items-center justify-center">
       <div class="flex items-center gap-3 text-fg-muted font-mono text-sm">
-        <span class="w-4 h-4 border-2 border-fg-subtle border-t-fg rounded-full animate-spin" />
+        <span
+          class="w-4 h-4 border-2 border-fg-subtle border-t-fg rounded-full motion-safe:animate-spin"
+        />
         {{ $t('common.loading_more') }}
       </div>
     </div>

app/components/PackageSkeleton.vue

@@ -3,7 +3,11 @@ const { t } = useI18n()
 </script>
 
 <template>
-  <article aria-busy="true" :aria-label="t('package.skeleton.loading')" class="animate-fade-in">
+  <article
+    aria-busy="true"
+    :aria-label="t('package.skeleton.loading')"
+    class="motion-safe:animate-fade-in"
+  >
     <!-- Package header - matches header in [...name].vue -->
     <header class="mb-8 pb-8 border-b border-border">
       <div class="flex flex-col sm:flex-row sm:items-start sm:justify-between gap-4 mb-4">

app/components/PackageVersions.vue

@@ -317,7 +317,8 @@ function getTagVersions(tag: string): VersionDisplay[] {
           >
             <span
               v-if="loadingTags.has(row.tag)"
-              class="i-carbon-rotate-180 w-3 h-3 animate-spin"
+              class="i-carbon-rotate-180 w-3 h-3 motion-safe:animate-spin"
+              data-testid="loading-spinner"
               aria-hidden="true"
             />
             <span
@@ -457,7 +458,8 @@ function getTagVersions(tag: string): VersionDisplay[] {
           >
             <span
               v-if="otherVersionsLoading"
-              class="i-carbon-rotate-180 w-3 h-3 animate-spin"
+              class="i-carbon-rotate-180 w-3 h-3 motion-safe:animate-spin"
+              data-testid="loading-spinner"
               aria-hidden="true"
             />
             <span

app/pages/[...package].vue

@@ -401,7 +401,7 @@ defineOgImageComponent('Package', {
   <main class="container py-8 sm:py-12 overflow-hidden w-full">
     <PackageSkeleton v-if="status === 'pending'" />
 
-    <article v-else-if="status === 'success' && pkg" class="animate-fade-in min-w-0">
+    <article v-else-if="status === 'success' && pkg" class="motion-safe:animate-fade-in min-w-0">
       <!-- Package header -->
       <header class="mb-8 pb-8 border-b border-border">
         <div class="mb-4">
@@ -627,7 +627,7 @@ defineOgImageComponent('Package', {
                 class="inline-flex items-center gap-1 text-fg-subtle"
               >
                 <span
-                  class="i-carbon-circle-dash w-3 h-3 animate-spin motion-reduce:animate-none"
+                  class="i-carbon-circle-dash w-3 h-3 motion-safe:animate-spin"
                   aria-hidden="true"
                 />
               </span>

app/pages/index.vue

@@ -25,21 +25,21 @@ defineOgImageComponent('Default')
     <header class="flex-1 flex flex-col items-center justify-center text-center py-20">
       <!-- Animated title -->
       <h1
-        class="font-mono text-5xl sm:text-7xl md:text-8xl font-medium tracking-tight mb-4 animate-fade-in animate-fill-both"
+        class="font-mono text-5xl sm:text-7xl md:text-8xl font-medium tracking-tight mb-4 motion-safe:animate-fade-in motion-safe:animate-fill-both"
       >
         <span class="text-accent"><span class="-tracking-0.2em">.</span>/</span>npmx
       </h1>
 
       <p
-        class="text-fg-muted text-lg sm:text-xl max-w-md mb-12 animate-slide-up animate-fill-both"
+        class="text-fg-muted text-lg sm:text-xl max-w-md mb-12 motion-safe:animate-slide-up motion-safe:animate-fill-both"
         style="animation-delay: 0.1s"
       >
         {{ $t('tagline') }}
       </p>
 
       <!-- Search form with micro-interactions -->
       <search
-        class="w-full max-w-xl animate-slide-up animate-fill-both"
+        class="w-full max-w-xl motion-safe:animate-slide-up motion-safe:animate-fill-both"
         style="animation-delay: 0.2s"
       >
         <form role="search" class="relative" @submit.prevent="handleSearch">
@@ -90,7 +90,7 @@ defineOgImageComponent('Default')
     <!-- Popular packages -->
     <nav
       :aria-label="$t('nav.popular_packages')"
-      class="pb-20 text-center animate-fade-in animate-fill-both"
+      class="pb-20 text-center motion-safe:animate-fade-in motion-safe:animate-fill-both"
       style="animation-delay: 0.3s"
     >
       <ul class="flex flex-wrap items-center justify-center gap-x-6 gap-y-3 list-none m-0 p-0">

app/pages/search.vue

@@ -415,7 +415,7 @@ defineOgImageComponent('Default', {
             </div>
             <button
               type="button"
-              class="shrink-0 px-4 py-2 font-mono text-sm text-bg bg-fg rounded-md transition-colors duration-200 hover:bg-fg/90 focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-fg/50"
+              class="shrink-0 px-4 py-2 font-mono text-sm text-bg bg-fg rounded-md motion-safe:transition-colors motion-safe:duration-200 hover:bg-fg/90 focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-fg/50"
               @click="claimModalOpen = true"
             >
               {{ t('search.claim_button', { name: query }) }}

test/nuxt/components/PackageVersions.spec.ts

@@ -782,7 +782,7 @@ describe('PackageVersions', () => {
 
       // Should show loading spinner (animate-spin class)
       await vi.waitFor(() => {
-        expect(component.find('.animate-spin').exists()).toBe(true)
+        expect(component.find('[data-testid="loading-spinner"]').exists()).toBe(true)
       })
 
       // Resolve the promise to clean up
@@ -816,7 +816,7 @@ describe('PackageVersions', () => {
 
       // Should show loading spinner
       await vi.waitFor(() => {
-        expect(component.find('.animate-spin').exists()).toBe(true)
+        expect(component.find('[data-testid="loading-spinner"]').exists()).toBe(true)
       })
 
       // Resolve the promise to clean up