Comprehensive Web Interface Guidelines audit: accessibility, motion, and typography

- Add global MotionConfig reducedMotion="user" in root layout
- Add color-scheme: dark, theme-color meta, skip-to-main-content link
- Add aria-hidden={true} to ~60+ decorative icons across 33 files
- Add aria-label to all icon-only buttons (logout, star rating, play, delete, etc.)
- Replace transition-all with specific properties (11 files)
- Add motion-safe: prefix for CSS hover transforms and animate-pulse
- Add prefers-reduced-motion: reduce override in globals.css
- Add useReducedMotion guard to status-dot pulsing animation
- Fix focus-visible styles on auth form inputs (focus → focus-visible, stronger ring)
- Add text-balance to all headings (13 files)
- Replace "..." with "…" (U+2026) in all loading/placeholder text
- Add autocomplete, spellCheck, role="alert" to auth form
- Add aria-label to Switch controls and filmography select
- Fix heading hierarchy (h3 → h2 where h2 was skipped)
- Add break-words to title overview, overscroll-contain to drawer
- Add confirmation dialog for destructive library removal
- Add group-focus-within:opacity-100 for keyboard-accessible backup actions
- Add role="radio" + aria-checked to star rating buttons
- Add aria-label to carousel region, role="img" to TMDB logo SVG
- Add text-foreground to native select for dark mode consistency

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

app/globals.css

@@ -166,3 +166,10 @@
     transform: translateY(0);
   }
 }
+
+@media (prefers-reduced-motion: reduce) {
+  .animate-stagger-item,
+  .animate-pulse {
+    animation: none;
+  }
+}