Theming

theme

Value	Behavior
"os"	Follows the OS Light / Dark setting
"light" / "dark"	Forces a specific theme

When "os" is set, the app follows the OS theme in real time, even if it changes while the app is running. OS-drawn native chrome, such as the title bar, also switches to match the resolved theme.

Platform appearance examples

Existing demo screenshots showing light and dark appearances and interface languages across platforms.

	Light	Dark
macOS
Windows
Linux

Color fields

Five items can be overridden: background_color, accent_color, text_color, tab_text_color, and selection_bg_color. All values are #rrggbb (CSS hex colors; alpha is not supported).

Values written at the top level apply to the light theme, and values in the [dark] table apply to the dark theme.

theme = "os"
accent_color = "#009bff"

[dark]
background_color = "#1e1e1e"
text_color       = "#e0e0e0"

For any item without an override, the built-in color palette (light or dark) is used as-is. The same applies if the [dark] table is omitted entirely — the built-in dark colors are used.