- Remove Playwrite NZ Guides test font and all references (FONT_MAP,
FONT_FILES, reader-fonts.css, dropdown option, font files)
- Move settings panel from left sidebar to right sidebar (left sidebar
now only contains TOC)
- Move Restore Defaults button from top bar icon to a styled button
inside the settings panel, side by side with Done button
The paginator renders inside a sandboxed iframe that blocks @font-face
URL fetches. Fonts were never loading — all font-family rules fell back
to the generic 'serif' system font, making every reading font identical.
Fix: fetch font files on the parent page, create blob: URLs via
URL.createObjectURL(), and use those blob URLs in the @font-face rules
injected into the iframe via setStyles(). Blob URLs are always
same-origin with the creating document, so the sandboxed iframe can
access them with allow-same-origin.
Also added Playwrite NZ Guides as a test font for verifying font
switching works.
- Rename font files from VariableFont_wght/opsz,wght to Variable format
- Add reader-fonts.css with @font-face definitions for 10 serif fonts
- Fonts: Crimson Pro, EB Garamond, Literata, Noto Serif, Source Serif 4
- Each font includes regular and italic variants