Nord theme

internal/tui/theme/nord.go

@@ -0,0 +1,107 @@
+package theme
+
+import (
+	"github.com/charmbracelet/lipgloss"
+)
+
+// NordTheme implements the Theme interface with Nord colors.
+// It provides both list and dark variants based on the Nord palette.
+type NordTheme struct {
+	BaseTheme
+}
+
+// NewNordTheme creates a new instance of the Nord theme.
+func NewNordTheme() *NordTheme {
+	// Nord color palette from https://www.nordtheme.com/docs/colors-and-palettes
+	polarNight0 := "#2E3440"
+	polarNight1 := "#3B4252"
+	polarNight2 := "#434C5E"
+	polarNight3 := "#4C566A"
+	snowStorm0 := "#D8DEE9"
+	snowStorm1 := "#E5E9F0"
+	snowStorm2 := "#ECEFF4"
+	frost0 := "#8FBCBB"
+	frost1 := "#88C0D0"
+	frost2 := "#81A1C1"
+	frost3 := "#5E81AC"
+	aurora0 := "#BF616A"
+	// aurora1 := "#D08770"
+	aurora2 := "#EBCB8B"
+	aurora3 := "#A3BE8C"
+	aurora4 := "#B48EAD"
+
+	theme := &NordTheme{}
+
+	// Base colors
+	theme.PrimaryColor = lipgloss.AdaptiveColor{Dark: frost1, Light: frost1}
+	theme.SecondaryColor = lipgloss.AdaptiveColor{Dark: frost2, Light: frost2}
+	theme.AccentColor = lipgloss.AdaptiveColor{Dark: frost0, Light: frost0}
+
+	// Status colors
+	theme.ErrorColor = lipgloss.AdaptiveColor{Dark: aurora0, Light: aurora0}
+	theme.WarningColor = lipgloss.AdaptiveColor{Dark: aurora2, Light: aurora2}
+	theme.SuccessColor = lipgloss.AdaptiveColor{Dark: aurora3, Light: aurora3}
+	theme.InfoColor = lipgloss.AdaptiveColor{Dark: frost0, Light: frost0}
+
+	// Text colors
+	theme.TextColor = lipgloss.AdaptiveColor{Dark: snowStorm2, Light: polarNight0}
+	theme.TextMutedColor = lipgloss.AdaptiveColor{Dark: snowStorm0, Light: polarNight3}
+	theme.TextEmphasizedColor = lipgloss.AdaptiveColor{Dark: aurora2, Light: aurora2}
+
+	// Background colors
+	theme.BackgroundColor = lipgloss.AdaptiveColor{Dark: polarNight0, Light: snowStorm2}
+	theme.BackgroundSecondaryColor = lipgloss.AdaptiveColor{Dark: polarNight1, Light: snowStorm1}
+	theme.BackgroundDarkerColor = lipgloss.AdaptiveColor{Dark: polarNight2, Light: snowStorm0}
+
+	// Border colors
+	theme.BorderNormalColor = lipgloss.AdaptiveColor{Dark: polarNight3, Light: snowStorm1}
+	theme.BorderFocusedColor = lipgloss.AdaptiveColor{Dark: frost3, Light: frost3}
+	theme.BorderDimColor = lipgloss.AdaptiveColor{Dark: polarNight2, Light: snowStorm0}
+
+	// Diff view colors
+	theme.DiffAddedColor = lipgloss.AdaptiveColor{Dark: aurora3, Light: aurora3}
+	theme.DiffRemovedColor = lipgloss.AdaptiveColor{Dark: aurora0, Light: aurora0}
+	theme.DiffContextColor = lipgloss.AdaptiveColor{Dark: polarNight3, Light: snowStorm0}
+	theme.DiffHunkHeaderColor = lipgloss.AdaptiveColor{Dark: frost3, Light: frost3}
+	theme.DiffHighlightAddedColor = lipgloss.AdaptiveColor{Dark: frost3, Light: frost3}
+	theme.DiffHighlightRemovedColor = lipgloss.AdaptiveColor{Dark: aurora0, Light: aurora0}
+	theme.DiffAddedBgColor = lipgloss.AdaptiveColor{Dark: polarNight2, Light: snowStorm0}
+	theme.DiffRemovedBgColor = lipgloss.AdaptiveColor{Dark: polarNight2, Light: snowStorm0}
+	theme.DiffContextBgColor = lipgloss.AdaptiveColor{Dark: polarNight1, Light: snowStorm1}
+	theme.DiffLineNumberColor = lipgloss.AdaptiveColor{Dark: polarNight3, Light: snowStorm1}
+	theme.DiffAddedLineNumberBgColor = lipgloss.AdaptiveColor{Dark: polarNight2, Light: snowStorm0}
+	theme.DiffRemovedLineNumberBgColor = lipgloss.AdaptiveColor{Dark: polarNight2, Light: snowStorm0}
+
+	// Markdown colors
+	theme.MarkdownTextColor = lipgloss.AdaptiveColor{Dark: snowStorm2, Light: polarNight0}
+	theme.MarkdownHeadingColor = lipgloss.AdaptiveColor{Dark: frost3, Light: frost3}
+	theme.MarkdownLinkColor = lipgloss.AdaptiveColor{Dark: frost0, Light: frost0}
+	theme.MarkdownLinkTextColor = lipgloss.AdaptiveColor{Dark: frost1, Light: frost1}
+	theme.MarkdownCodeColor = lipgloss.AdaptiveColor{Dark: aurora3, Light: aurora3}
+	theme.MarkdownBlockQuoteColor = lipgloss.AdaptiveColor{Dark: aurora2, Light: aurora2}
+	theme.MarkdownEmphColor = lipgloss.AdaptiveColor{Dark: aurora2, Light: aurora2}
+	theme.MarkdownStrongColor = lipgloss.AdaptiveColor{Dark: aurora0, Light: aurora0}
+	theme.MarkdownHorizontalRuleColor = lipgloss.AdaptiveColor{Dark: polarNight3, Light: snowStorm1}
+	theme.MarkdownListItemColor = lipgloss.AdaptiveColor{Dark: polarNight2, Light: snowStorm1}
+	theme.MarkdownListEnumerationColor = lipgloss.AdaptiveColor{Dark: polarNight2, Light: snowStorm1}
+	theme.MarkdownImageColor = lipgloss.AdaptiveColor{Dark: frost1, Light: frost1}
+	theme.MarkdownImageTextColor = lipgloss.AdaptiveColor{Dark: frost1, Light: frost1}
+	theme.MarkdownCodeBlockColor = lipgloss.AdaptiveColor{Dark: polarNight2, Light: snowStorm0}
+
+	// Syntax highsnowStorming colors
+	theme.SyntaxCommentColor = lipgloss.AdaptiveColor{Dark: polarNight3, Light: snowStorm2}
+	theme.SyntaxKeywordColor = lipgloss.AdaptiveColor{Dark: aurora4, Light: aurora4}
+	theme.SyntaxFunctionColor = lipgloss.AdaptiveColor{Dark: frost1, Light: frost1}
+	theme.SyntaxVariableColor = lipgloss.AdaptiveColor{Dark: frost0, Light: frost0}
+	theme.SyntaxStringColor = lipgloss.AdaptiveColor{Dark: aurora2, Light: aurora2}
+	theme.SyntaxNumberColor = lipgloss.AdaptiveColor{Dark: aurora2, Light: aurora2}
+	theme.SyntaxTypeColor = lipgloss.AdaptiveColor{Dark: aurora3, Light: aurora3}
+	theme.SyntaxOperatorColor = lipgloss.AdaptiveColor{Dark: aurora4, Light: aurora4}
+	theme.SyntaxPunctuationColor = lipgloss.AdaptiveColor{Dark: polarNight2, Light: snowStorm2}
+
+	return theme
+}
+
+func init() {
+	RegisterTheme("nord", NewNordTheme())
+}

internal/tui/theme/theme_test.go

@@ -47,6 +47,18 @@ func TestThemeRegistration(t *testing.T) {
 		t.Errorf("Monokai theme is not registered")
 	}
 
+	// Check if "nord" theme is registered
+	nordFound := false
+	for _, themeName := range availableThemes {
+		if themeName == "nord" {
+			nordFound = true
+			break
+		}
+	}
+	if !nordFound {
+		t.Errorf("Nord theme is not registered")
+	}
+
 	// Try to get the themes and make sure they're not nil
 	catppuccin := GetTheme("catppuccin")
 	if catppuccin == nil {

www/src/content/docs/docs/themes.mdx

@@ -14,6 +14,7 @@ The following predefined themes are available:
 - `flexoki`
 - `gruvbox`
 - `monokai`
+- `nord`
 - `onedark`
 - `tokyonight`
 - `tron`