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docs: record popover-surface retune and portaled-popover body-class bridge

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Note the 4%/bluer-navy --deepdrft-popover-surface values, the new
--deepdrft-popover-surface-dark source token, the theme TS interop module, and the
<body>-class bridge in CLAUDE.md; log Phase 18 Wave 4 in COMPLETED.md.
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daniel-c-harvey
2026-06-20 00:32:13 -04:00
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CLAUDE.md
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@@ -80,14 +80,15 @@ Keep this seam clean — it is the most architecturally load-bearing part of the
- Dark mode toggles via cookie (`darkMode`, 365 days). Client-side via JS interop.
- During server prerender, `DarkModeService` (in `DeepDrftPublic`) reads the cookie and seeds `DarkModeSettings.IsDarkMode`, which carries into WASM render via `PersistentComponentState`. Avoids "wrong theme flash" on initial paint.
- `DarkModeSettings` lives in `DeepDrftPublic.Client.Common` (consumed by both server prerender and client components).
- **Theme-aware token layer:** `DeepDrftShared.Client/wwwroot/styles/deepdrft-tokens.css` defines two kinds of CSS custom properties. *Source tokens* (`--deepdrft-navy`, `--deepdrft-white`, `--deepdrft-green-accent`, etc.) are brand constants — identical in `:root` and `.deepdrft-theme-dark`. *Theme-aware aliases* are defined in both blocks and flip when the theme wrapper class changes. Component and page CSS must bind the **alias**, not the source token, so neutral surfaces invert for free. Current alias families: `--deepdrft-page-surface`/`-text`/`-text-muted` (neutral page backgrounds and text), `--deepdrft-play-chip`/`-glyph`/`-chip-soft` (play-state icon chip and glyph), `--deepdrft-popover-surface` (default MudBlazor popover background). Bespoke dark-glass panels (visualizer/queue/privacy) bind `--deepdrft-panel-ground` directly and are intentionally exempt from the neutral-surface alias.
- **Theme-aware token layer:** `DeepDrftShared.Client/wwwroot/styles/deepdrft-tokens.css` defines two kinds of CSS custom properties. *Source tokens* (`--deepdrft-navy`, `--deepdrft-white`, `--deepdrft-green-accent`, etc.) are brand constants — identical in `:root` and `.deepdrft-theme-dark`. *Theme-aware aliases* are defined in both blocks and flip when the theme wrapper class changes. Component and page CSS must bind the **alias**, not the source token, so neutral surfaces invert for free. Current alias families: `--deepdrft-page-surface`/`-text`/`-text-muted` (neutral page backgrounds and text), `--deepdrft-play-chip`/`-glyph`/`-chip-soft` (play-state icon chip and glyph), `--deepdrft-popover-surface` (default MudBlazor popover background — light: `color-mix(navy 4%, white)`, a near-page-background surface; dark: references source token `--deepdrft-popover-surface-dark`, a `color-mix(navy-mid 80%, green-accent 20%)` bluer navy defined once in `:root` and referenced by both the `.deepdrft-theme-dark` wrapper block and `body.deepdrft-theme-dark` so portaled popovers are reached). Bespoke dark-glass panels (visualizer/queue/privacy) bind `--deepdrft-panel-ground` directly and are intentionally exempt from the neutral-surface alias.
- **Portaled-popover body-class bridge:** MudBlazor popovers portal to `<body>`, outside the `.deepdrft-theme-dark` wrapper `<div>`, so the dark popover token never reached them. Fix: `MainLayout.razor` stamps `deepdrft-theme-dark` on `<body>` via the `setBodyThemeClass(isDark)` helper in `DeepDrftShared.Client/Interop/theme/theme.ts` (lazy-imported as `_content/DeepDrftShared.Client/js/theme/theme.js`). The call fires only on first render or when `_isDarkMode` actually changes (gated by `_lastAppliedDarkMode` comparison) to avoid redundant JS calls on unrelated re-renders. The `body.deepdrft-theme-dark` selector in `deepdrft-tokens.css` resolves `--deepdrft-popover-surface` from `--deepdrft-popover-surface-dark` for these portaled elements.
- Typography: Google Fonts (Bodoni Moda, Cormorant, DM Sans). Hand-rolled gas-lamp icon (lit/unlit) lives in `DeepDrftShared.Client/Common/DDIcons.cs`.
### TypeScript interop, not raw JS
Audio interop authored in TypeScript under `DeepDrftPublic/Interop/audio/`, compiled to `wwwroot/js/audio/` via `Microsoft.TypeScript.MSBuild`. One module per responsibility (AudioContextManager, StreamDecoder, PlaybackScheduler, SpectrumAnalyzer, AudioPlayer), plus `index.ts` exposing `window.DeepDrftAudio`. `tsconfig.json` is **not** copied to output. In dev, raw `.ts` served from `/Interop/` for source-map debugging. A second interop module lives at `DeepDrftPublic/Interop/about/about-rail.ts` (IntersectionObserver for the About page active-movement rail highlight; compiled output gitignored).
**`DeepDrftShared.Client` also hosts TypeScript interop.** Its `tsconfig.json` maps `rootDir: "Interop"` → `outDir: "wwwroot/js"`, compiled by the same `Microsoft.TypeScript.MSBuild` package. Current modules: `Interop/parallax/parallax.ts` (parallax scroll for `ParallaxImage`) and `Interop/knob/knob.ts` (`capturePointer`/`releasePointer` for `RadialKnob`). Consumers lazy-import via the static-asset path `_content/DeepDrftShared.Client/js/<module>/<file>.js`.
**`DeepDrftShared.Client` also hosts TypeScript interop.** Its `tsconfig.json` maps `rootDir: "Interop"` → `outDir: "wwwroot/js"`, compiled by the same `Microsoft.TypeScript.MSBuild` package. Current modules: `Interop/parallax/parallax.ts` (parallax scroll for `ParallaxImage`), `Interop/knob/knob.ts` (`capturePointer`/`releasePointer` for `RadialKnob`), and `Interop/theme/theme.ts` (`setBodyThemeClass(isDark)` — stamps/removes `deepdrft-theme-dark` on `<body>` so portaled MudBlazor elements inherit the dark popover token; consumed by `MainLayout.razor`). Consumers lazy-import via the static-asset path `_content/DeepDrftShared.Client/js/<module>/<file>.js`.
## Development Commands