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EventSnap/frontend/export-viewer/src/app.css
MechaCat02 251f9f1469 frontend(plumbing): shared theme tokens, cross-cutting stores, gestures, sheets
The plumbing layer the v0.16 UI features (and dark mode) build on.

Shared design tokens (Tailwind v4):
- tailwind-theme.css (new): @custom-variant dark (class-driven, beats OS
  default) + @theme color/font/radius tokens + baseline html/html.dark
  rules so any page that hasn't been re-themed still renders the right
  body bg + color-scheme.
- src/app.css + export-viewer/src/app.css now import the shared theme.
- src/app.html: 6-line FOUC guard sets <html class="dark"> before paint
  (mirrored from theme-store.ts) so dark reloads no longer flash white.
  Adds <meta name="theme-color"> kept in sync by initTheme().

Cross-cutting stores (one per concern, per docs/FEATURES §2.9):
- data-mode-store.ts: 'saver' | 'original' per-device, plus pickMediaUrl
  helper so feed cards / lightbox / diashow all resolve URLs the same way.
- privacy-note-store.ts: hydrated from /me/context, refreshed on SSE
  event-updated.
- quota-store.ts: { enabled, used, limit, active_uploaders, free_disk },
  refreshed after each upload completes.
- theme-store.ts: 'system' | 'light' | 'dark' preference + derived
  appliedTheme + initTheme() that syncs <html class>, localStorage,
  and the theme-color meta. Listens to prefers-color-scheme.
- auth.ts: currentPin writable mirror + clearPin() helper called from
  the global pin-reset SSE handler — fixes the stale-PIN bug where the
  localStorage copy survived a reset.

DTO mirror:
- types.ts: QuotaDto, MeContextDto, PinResetResponse, DeltaResponse each
  carry a `// mirrors backend/...` comment per the lib README convention.

SSE client:
- sse.ts: KNOWN_EVENTS registry (one entry per server-emitted type),
  synthetic feed-delta dispatched after foreground reconnect via the
  /feed/delta?since= endpoint, exponential backoff (1 → 60 s + jitter)
  on errors, attempt counter reset on user-initiated visibility resume.

Upload queue:
- upload-queue.ts: IDB schema bumped to v2 — entries tagged with userId;
  loadQueue filters by current user (no cross-user leak on shared
  devices); uploadItem refuses to upload an entry whose userId differs
  from getUserId() (defense-in-depth); new clearQueue() called on
  explicit logout. v2 upgrade wipes pre-v2 entries (no userId, can't
  attribute safely).

Mobile primitives:
- actions/longpress.ts: 500 ms hold with 10 px move tolerance, swallows
  the next click + the right-click contextmenu so the gesture doesn't
  double-fire the inner button's onclick.
- actions/doubletap.ts: tap-pair detector that preventDefaults the
  second tap so iOS Safari doesn't also zoom on double-tap.
- components/ContextSheet.svelte: generic bottom sheet driven by a
  ContextAction[] prop. Reused by feed posts, comments, host user rows.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-05-16 14:32:37 +02:00

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CSS

/* Pulls the live app's design tokens so the offline keepsake matches visually.
* See ../../src/tailwind-theme.css for the source of truth. */
@import "../../src/tailwind-theme.css";