Ship floating launcher, automatic discovery and bounded media search improvements

docs/BRAND.md

@@ -48,13 +48,15 @@ copy into unsupported performance or production-readiness claims.
 ## Window materials
 
 Appearance settings offer Solid, Glass and Frosted glass, with a bounded
-70–100% tint-strength control (90% by default). Frosted glass layers an extra
-35% milk tint beneath that control; Glass has the lighter direct tint. Both
+40–100% background-opacity control (90% by default). Both materials use the selected opacity directly, without a second milk-tint
+layer. The slider previews changes while dragging. Both
 currently share Windows native acrylic blur. Native compositor effects expose and soften
 the actual desktop; CSS transparency alone cannot blur other windows. If the
 platform cannot apply its native effect, use an honest opaque fallback. Forced
 colors always make the shell opaque while retaining the saved preference.
-Search input, results, previews and settings keep their opaque reading surfaces;
+The search input and shell labels use a local 60% reading tint, so the lowest
+shell setting still yields at least 76% theme tint under text. Results, previews
+and settings keep opaque reading surfaces;
 never lower text opacity or introduce decorative wallpaper simulations.
 Native acrylic currently requires Windows 11 22H2 or later with a compatible
 compositor and system transparency settings. macOS, Linux and older Windows