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Lumotia/docs/architecture-map/01-frontend/app-shell-and-styling.md
Jake 26c7307607
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agent: lumotia-rebrand — docs, scripts, root config, residuals 
Phase 9 of the rebrand cascade. Sweep covers everything the Phase 8
frontend pass deliberately skipped: docs/, root markdown, scripts,
Cargo.toml descriptions, code comments that survived earlier
word-boundary sed, plus a handful of identifiers caught on the final
verify pass.

transcription-app changes:
- README.md, HANDOVER.md, KNOWN-ISSUES.md, run.sh — magnotia/Magnotia
  -> lumotia/Lumotia.
- docs/ — sweep across all subdirs except docs/handovers/ (preserved
  as immutable audit trail). Includes architecture-map references
  to magnotia_core::*, magnotia_storage::*, etc. now pointing at
  lumotia_*; dev-setup.md tracing output examples (lumotia_startup
  target); brief/ + superpowers/ + issues/ + whisper-ecosystem/ +
  audit/.
- Cargo.toml descriptions on 9 crates (core, audio, cloud-providers,
  hotkey, llm, mcp, plus referenced others).
- crates/core/src/{error,hardware,recommendation,paths}.rs +
  crates/audio/src/wav.rs + crates/llm/src/model_manager.rs +
  crates/cloud-providers/src/keystore.rs + crates/mcp/src/lib.rs —
  doc comments and a model-manager user-agent string.
- Caught on final pass: BroadcastChannel("magnotia_task_sync") -> ...
  ("lumotia_task_sync"); magnotia_locale i18n localStorage key
  renamed + migration shim added; CSS keyframe names
  magnotiaPulse / magnotiaBar / magnotiaFade renamed in the design-
  system kit; magnotia_viewer_item / magnotia_viewer_mode handoff
  keys renamed in HistoryPage + viewer/+page.svelte; src/assets/
  wordmark.svg text.
- src-tauri/src/lib.rs comment cleanup ("magnotia era" was sed'd
  to "lumotia era" earlier — restored).

Preserved (intentional):
- crates/core/src/paths.rs — keeps "magnotia" / "Magnotia" / ".magnotia"
  legacy detection strings in legacy_and_target_paths() so the
  migration shim can still find user data from the magnotia era.
- src/lib/stores/{page,focusTimer}.svelte.ts + src/lib/i18n/index.ts
  — migration call sites reference the legacy magnotia keys
  deliberately.
- docs/handovers/ — historical audit trail.

cargo build --workspace passes. npm run check: 0 errors / 0 warnings
(3958 files). cargo test --workspace: 339 pass / 0 fail.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-05-13 12:38:03 +01:00

6.9 KiB
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name, type, slice, last_verified
name type slice last_verified
App shell and styling architecture-map-page 01-frontend 2026/05/09

App shell and styling

Where you are: Architecture map → Frontend → App shell and styling

Plain English summary. Where the visual chrome and CSS plumbing live. app.html is the SvelteKit document. app.css carries the Tailwind v4 import, the @theme token block, the brand @font-face declarations, the sensory zones, and the accessibility CSS variables. There is no separate tailwind.config.{js,ts}; Tailwind v4 is configured entirely in app.css. Fonts ship from src/fonts/ (bundled by Vite) and static/fonts/ (served as-is).

At a glance

  • Path: src/app.html, src/app.css, src/app.d.ts, src/fonts/, src/assets/, static/.
  • LOC: 13 (app.html) + 583 (app.css) + 8 (app.d.ts).
  • Frameworks: Tailwind v4 via @tailwindcss/vite. No PostCSS config. No standalone Tailwind config file.
  • Adapter: @sveltejs/adapter-static with index.html fallback (SPA, svelte.config.js).

What's in here

src/app.html (13 LOC)

Standard SvelteKit document. Sets lang="en", charset, viewport, favicon, title (Lumotia), and applies data-sveltekit-preload-data="hover" on <body>. The body content is wrapped in <div style="display: contents"> so the SvelteKit-injected children render inline.

src/app.d.ts (8 LOC)

Ambient declaration extending Window with __TAURI_INTERNALS__ and isTauri so utils/runtime.ts typechecks.

src/app.css (583 LOC)

Layered:

  1. @import "tailwindcss" (Tailwind v4 entry).
  2. @font-face for Lexend, Atkinson Hyperlegible Next, OpenDyslexic, JetBrains Mono, Instrument Serif Italic. URLs use root-absolute paths (/fonts/...) served from static/fonts/ by Vite.
  3. @theme token block. Sets the design tokens that Tailwind v4 picks up as utility classes:
    • Colour tokens: --color-bg, --color-bg-raised, --color-text, --color-text-secondary, --color-text-tertiary, --color-accent, --color-warning, --color-success, --color-border, --color-border-subtle, --color-hover, --color-nav-active, plus a sensory-zone palette family.
    • Typography tokens: --font-display, --font-body, --font-mono, plus --font-size-* and --line-height-*.
    • Motion tokens: --duration-ui, --duration-fast, --duration-slow. Easing tokens for cubic-bezier curves.
    • Shadow tokens: --shadow-accent-md, --shadow-accent-glow, etc.
  4. Sensory-zone overrides keyed on [data-zone="..."] on <html>. Switches token values to dim, focus, etc.
  5. Theme overrides keyed on [data-theme="dark"] and [data-theme="light"]. The preferences store writes both data-theme and data-zone.
  6. Accessibility variables on <html>: --font-family-body, --font-size-body, --letter-spacing-body, --line-height-body. Set by the preferences store via applyToDOM().
  7. Base styles: body background, font, body font-family bound to the variable, scrollbar styling, focus ring.
  8. Utility classes for grain texture (.grain uses the noise asset under assets/grain.svg), CRT-style transcript surface, etc.
  9. Animations: @keyframes fade-in, @keyframes pulse, etc. Reduced motion guard at the bottom (@media (prefers-reduced-motion: reduce)).

src/fonts/ (bundled woff2)

  • atkinson-hyperlegible-next.woff2
  • instrument-serif-italic.woff2
  • jetbrains-mono.woff2
  • lexend-variable.woff2
  • opendyslexic.woff2

Bundled by Vite (referenced from app.css via /fonts/... paths that Vite resolves). The same files live in static/fonts/ for the static-served path. Confirm whether both paths are required; if Vite handles font copying, static/fonts/ may be redundant.

src/assets/

  • grain.svg. Noise texture used by the .grain utility class.
  • waveform-mark.svg. Brand glyph.
  • wordmark.svg. Brand wordmark.

static/

Served as-is from the webview root.

  • favicon.png. Site favicon.
  • fonts/. Same five woff2 files as src/fonts/. Likely the source of app.css /fonts/... URLs.
  • pcm-processor.js. AudioWorklet processor (slice 02 owns the integration). 32-line file that converts microphone input to int16 PCM frames and posts them up.
  • textures/grain.png. PNG version of the grain texture.
  • svelte.svg, tauri.svg, vite.svg. SvelteKit defaults; technically unused. Candidate for removal.

How preferences map to the DOM

Preference DOM target
theme ("light" / "dark" / "system") data-theme on <html>. system resolves to OS preference at apply time.
zone ("default" / ...) data-zone on <html>.
accessibility.fontFamily ("lexend" / "atkinson" / "opendyslexic") --font-family-body CSS variable on <html>.
accessibility.fontSize --font-size-body (pixels).
accessibility.letterSpacing --letter-spacing-body (em).
accessibility.lineHeight --line-height-body (unitless).
accessibility.bionicReading `<html data-bionic-reading="true
accessibility.reduceMotion `<html data-reduce-motion="reduce

Plus the legacy settings.fontSize writes --font-size-transcript on <body> directly (+layout.svelte:204). That is separate from accessibility.fontSize.

Tailwind v4 setup

  • Installed via @tailwindcss/vite in vite.config.js:3.
  • Entry: src/app.css line 1, @import "tailwindcss".
  • Tokens declared inline via @theme blocks in app.css.
  • No tailwind.config.{js,ts} exists. Do not look for one.
  • Class scanning: Tailwind v4 scans the source tree by default. Custom paths can be configured with @source directives if needed.

Watch outs

  • Two font sources. src/fonts/ (Vite bundled) and static/fonts/ (raw served). Confirm whether both are needed; redundancy bloats the bundle.
  • Mirror file src/design-system/colors_and_type.css must be updated whenever app.css @theme changes. There is no automated check.
  • prefers-reduced-motion honoured by CSS but JS animations (e.g. CompletionSparkline's stagger) are guarded in component code, not via the media query alone.
  • Tailwind v4 @theme is class-scanning sensitive. If you put utility class strings inside conditional template literals that Tailwind cannot see at scan time, they will not be generated.
  • Removing default SvelteKit assets (static/svelte.svg, vite.svg, tauri.svg) requires confirming nothing references them in app.html or README.md.
  • pcm-processor.js is a static asset because AudioWorklet processors must be served from a same-origin URL. Bundling it through Vite would break the worklet registration. Leave it in static/.

See also

  • Design system. The reference mirror of app.css tokens.
  • Stores. The preferences store that writes the DOM.
  • Components. Where the utility classes are consumed.
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