Themes

Built-in theme catalog and how to switch.

diffing ships 52 themes (counted from ThemeModal.tsx). Default: rose-pine.

Switch theme

t alone cycles tab size, not themes.

Id	Notes
`nord`
`github-dark`, `github-dark-dimmed`, `github-dark-high-contrast`
`github-light`, `github-light-high-contrast`
`dracula`, `one-dark`, `synthwave-84`, `tokyo-night`
`catppuccin-mocha`, `catppuccin-frappe`, `catppuccin-macchiato`, `catppuccin-latte`
`solarized-dark`, `solarized-light`
`monokai`, `ayu-dark`, `ayu-light`
`nightfox`, `nordfox`, `duskfox`, `terafox`, `carbonfox`, `dayfox`, `dawnfox`	Nightfox family
`andromeeda`, `aurora-x`, `dark-plus`, `light-plus`, `houston`, `laserwave`
`material-theme`, `material-theme-darker`, `material-theme-lighter`, `material-theme-ocean`, `material-theme-palenight`
`min-dark`, `min-light`, `night-owl`, `one-light`, `plastic`, `poimandres`
`rose-pine`, `rose-pine-moon`, `rose-pine-dawn`	Default family
`slack-dark`, `slack-ochre`
`vesper`, `vitesse-black`, `vitesse-dark`, `vitesse-light`

Syntax highlighting uses Shiki via @pierre/diffs with dark/light pairs mapped per theme.

Every theme must keep primary text readable and focus color visible. Components consume --gl-* roles derived from the theme palette.