feat(web): UI premium Discord/Spotify-like — tokens, shadows, focus, layout
Plan UI premium 6–8 semaines (design system, shell, Storybook, a11y):
- Design system: DESIGN_TOKENS.md, APP_SHELL.md, FULL_LAYOUT_PAGE.md. Single source
for layout/shell (index.css), shadows (design-system.css), durations/easing.
- Tokens: shadow-cover-depth, shadow-gold-glow, shadow-fab-glow; layout max-height
(max-h-layout-drawer, max-h-layout-panel, max-h-layout-list). All duration-200/300/500
replaced by --duration-fast/normal/slow. Arbitrary shadows replaced by token classes.
- Shell & player: Sidebar, Header, GlobalPlayer, MiniPlayer, PlayerQueue, PlayerControls,
AudioPlayer use tokens; focus-visible on Sidebar, PlayerQueue, DropdownMenuTrigger/Item,
TabsTrigger. Typography: text-[10px]/[9px] → text-xs where applicable.
- ESLint: no-restricted-syntax (warn) for w-/h-/rounded-/shadow-/text-/spacing arbitrary.
- Scripts: report-arbitrary-values.mjs, capture/compare/generate visual; visual-complete.spec.ts.
- Stories full layout: Dashboard, Playlists, Library, Settings, Profile in DashboardLayout.stories.
- .cursorrules + README: DESIGN_TOKENS, APP_SHELL, visual commands, no arbitrary without justification.
- apps/web/.gitignore: e2e test artifacts (test-results-visual, playwright-report-visual).
Co-authored-by: Cursor <cursoragent@cursor.com>
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