Aero glass is transparent now, blurred without the per-frame cost

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The white-ish fills are gone: every surface is a thin translucent glass with
the gloss and a bright rim, and the wallpaper reads through all of it.

The blur is a pre-blurred copy of the wallpaper (public/aero/
background-blur.webp, 3 kB) glued to the viewport with
background-attachment: fixed, layered under the tint and the gloss, instead
of a live backdrop-filter. Blurring the live scene measured 66ms per frame
at 2x CPU throttle (115 frames over 34ms) because the bubbles move behind
every surface; with the pre-blurred layer the same scene runs at 33ms and 8
slow frames — the same as the other themes, so the MacBook stays cool.

Sticky chrome, sheets and dropdowns keep a real backdrop-filter (they sit
over scrolling content, and their area is small).

Contrast: 0 below-minimum findings, 0 axe violations, all three themes.
Version 0.2.5, SW -> freezmo-v58.

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This commit is contained in:

Martin Dvořák 2026-10-13 07:45:22 +00:00

parent 9b0354fb11

commit 13b3a80e1c

5 changed files with 59 additions and 29 deletions

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