per-theme navidown styles

.doc/doki/doc/index.md

@@ -5,6 +5,7 @@
 - [Markdown viewer](markdown-viewer.md)
 - [Image support](image-requirements.md)
 - [Customization](customization.md)
+- [Themes](themes.md)
 - [ruki](ruki/index.md)
 - [tiki format](tiki-format.md)
 - [Quick capture](quick-capture.md)

.doc/doki/doc/themes.md

@@ -0,0 +1,79 @@
+# Themes
+
+## Setting a theme
+
+Set the theme in your `config.yaml` under the `appearance` section (see [Configuration](config.md) for file locations and merging rules):
+
+```yaml
+appearance:
+  theme: dracula
+```
+
+Available values:
+- `auto` — detects your terminal background and picks `dark` or `light` automatically (default)
+- `dark`, `light` — built-in base themes
+- Any named theme listed below
+
+## Dark themes
+
+### dark
+
+The built-in dark base theme. Used by `auto` when a dark terminal background is detected.
+
+![dark](themes/dark.png)
+
+### dracula
+
+![dracula](themes/dracula.png)
+
+### tokyo-night
+
+![tokyo-night](themes/tokyo-night.png)
+
+### gruvbox-dark
+
+![gruvbox-dark](themes/gruvbox-dark.png)
+
+### catppuccin-mocha
+
+![catppuccin-mocha](themes/catppuccin-mocha.png)
+
+### solarized-dark
+
+![solarized-dark](themes/solarized-dark.png)
+
+### nord
+
+![nord](themes/nord.png)
+
+### monokai
+
+![monokai](themes/monokai.png)
+
+### one-dark
+
+![one-dark](themes/one-dark.png)
+
+## Light themes
+
+### light
+
+The built-in light base theme. Used by `auto` when a light terminal background is detected.
+
+![light](themes/light.png)
+
+### catppuccin-latte
+
+![catppuccin-latte](themes/catppuccin-latte.png)
+
+### solarized-light
+
+![solarized-light](themes/solarized-light.png)
+
+### gruvbox-light
+
+![gruvbox-light](themes/gruvbox-light.png)
+
+### github-light
+
+![github-light](themes/github-light.png)

config/palettes.go

@@ -503,7 +503,7 @@ func SolarizedLightPalette() Palette {
 // Ref: https://github.com/morhetz/gruvbox
 func GruvboxLightPalette() Palette {
 	return Palette{
-		HighlightColor:   NewColorHex("#b57614"), // dark yellow
+		HighlightColor:   NewColorHex("#9d6104"), // dark yellow (deepened for light-bg contrast)
 		TextColor:        NewColorHex("#3c3836"), // fg (dark0_hard)
 		TransparentColor: DefaultColor(),
 		MutedColor:       NewColorHex("#928374"), // gray

config/themes.go

@@ -26,18 +26,18 @@ var themeRegistry = map[string]ThemeInfo{
 	// named dark themes
 	"dracula":          {Light: false, ChromaTheme: "dracula", NavidownStyle: "dracula", Palette: DraculaPalette},
 	"tokyo-night":      {Light: false, ChromaTheme: "tokyonight-night", NavidownStyle: "tokyo-night", Palette: TokyoNightPalette},
-	"gruvbox-dark":     {Light: false, ChromaTheme: "gruvbox", NavidownStyle: "dark", Palette: GruvboxDarkPalette},
-	"catppuccin-mocha": {Light: false, ChromaTheme: "catppuccin-mocha", NavidownStyle: "dark", Palette: CatppuccinMochaPalette},
-	"solarized-dark":   {Light: false, ChromaTheme: "solarized-dark256", NavidownStyle: "dark", Palette: SolarizedDarkPalette},
-	"nord":             {Light: false, ChromaTheme: "nord", NavidownStyle: "dark", Palette: NordPalette},
-	"monokai":          {Light: false, ChromaTheme: "monokai", NavidownStyle: "dark", Palette: MonokaiPalette},
-	"one-dark":         {Light: false, ChromaTheme: "onedark", NavidownStyle: "dark", Palette: OneDarkPalette},
+	"gruvbox-dark":     {Light: false, ChromaTheme: "gruvbox", NavidownStyle: "gruvbox-dark", Palette: GruvboxDarkPalette},
+	"catppuccin-mocha": {Light: false, ChromaTheme: "catppuccin-mocha", NavidownStyle: "catppuccin-mocha", Palette: CatppuccinMochaPalette},
+	"solarized-dark":   {Light: false, ChromaTheme: "solarized-dark256", NavidownStyle: "solarized-dark", Palette: SolarizedDarkPalette},
+	"nord":             {Light: false, ChromaTheme: "nord", NavidownStyle: "nord", Palette: NordPalette},
+	"monokai":          {Light: false, ChromaTheme: "monokai", NavidownStyle: "monokai", Palette: MonokaiPalette},
+	"one-dark":         {Light: false, ChromaTheme: "onedark", NavidownStyle: "one-dark", Palette: OneDarkPalette},
 
 	// named light themes
-	"catppuccin-latte": {Light: true, ChromaTheme: "catppuccin-latte", NavidownStyle: "light", Palette: CatppuccinLattePalette},
-	"solarized-light":  {Light: true, ChromaTheme: "solarized-light", NavidownStyle: "light", Palette: SolarizedLightPalette},
-	"gruvbox-light":    {Light: true, ChromaTheme: "gruvbox-light", NavidownStyle: "light", Palette: GruvboxLightPalette},
-	"github-light":     {Light: true, ChromaTheme: "github", NavidownStyle: "light", Palette: GithubLightPalette},
+	"catppuccin-latte": {Light: true, ChromaTheme: "catppuccin-latte", NavidownStyle: "catppuccin-latte", Palette: CatppuccinLattePalette},
+	"solarized-light":  {Light: true, ChromaTheme: "solarized-light", NavidownStyle: "solarized-light", Palette: SolarizedLightPalette},
+	"gruvbox-light":    {Light: true, ChromaTheme: "gruvbox-light", NavidownStyle: "gruvbox-light", Palette: GruvboxLightPalette},
+	"github-light":     {Light: true, ChromaTheme: "github", NavidownStyle: "github-light", Palette: GithubLightPalette},
 }
 
 var defaultTheme = themeRegistry["dark"]

config/themes_test.go

@@ -97,6 +97,12 @@ func TestNavidownStylesValid(t *testing.T) {
 		"dark": true, "light": true,
 		"dracula": true, "tokyo-night": true,
 		"pink": true, "ascii": true, "notty": true,
+		// additional named themes
+		"gruvbox-dark": true, "catppuccin-mocha": true,
+		"solarized-dark": true, "nord": true,
+		"monokai": true, "one-dark": true,
+		"catppuccin-latte": true, "solarized-light": true,
+		"gruvbox-light": true, "github-light": true,
 	}
 	for name, info := range themeRegistry {
 		if !validNavidown[info.NavidownStyle] {

go.mod

@@ -82,3 +82,5 @@ require (
 	golang.org/x/text v0.35.0 // indirect
 	gopkg.in/warnings.v0 v0.1.2 // indirect
 )
+
+replace github.com/boolean-maybe/navidown => ../navidown

go.sum

@@ -27,8 +27,6 @@ github.com/aymanbagabas/go-udiff v0.3.1 h1:LV+qyBQ2pqe0u42ZsUEtPiCaUoqgA9gYRDs3v
 github.com/aymanbagabas/go-udiff v0.3.1/go.mod h1:G0fsKmG+P6ylD0r6N/KgQD/nWzgfnl8ZBcNLgcbrw8E=
 github.com/aymerick/douceur v0.2.0 h1:Mv+mAeH1Q+n9Fr+oyamOlAkUNPWPlA8PPGR0QAaYuPk=
 github.com/aymerick/douceur v0.2.0/go.mod h1:wlT5vV2O3h55X9m7iVYN0TBM0NH/MmbLnd30/FjWUq4=
-github.com/boolean-maybe/navidown v0.4.17 h1:5xlXhgd6/nzjrmQAi0puSuD6p+rbDFJlcJbKhEnU/Nc=
-github.com/boolean-maybe/navidown v0.4.17/go.mod h1:uF4Z/5uTnEtC6ZWyfKRv5Qw8Nir1nfp4kUraggTRfrk=
 github.com/catppuccin/go v0.3.0 h1:d+0/YicIq+hSTo5oPuRi5kOpqkVA5tAsU6dNhvRu+aY=
 github.com/catppuccin/go v0.3.0/go.mod h1:8IHJuMGaUUjQM82qBrGNBv7LFq6JI3NnQCF6MOlZjpc=
 github.com/charmbracelet/bubbles v0.21.1-0.20250623103423-23b8fd6302d7 h1:JFgG/xnwFfbezlUnFMJy0nusZvytYysV4SCS2cYbvws=