feat: themes

1 files changed, 208 insertions, 0 deletions

diff --git a/internal/tui/theme/theme.go b/internal/tui/theme/theme.go
new file mode 100644
index 000000000..4ee14a07f
--- /dev/null
+++ b/internal/tui/theme/theme.go
@@ -0,0 +1,208 @@
+package theme
+
+import (
+	"github.com/charmbracelet/lipgloss"
+)
+
+// Theme defines the interface for all UI themes in the application.
+// All colors must be defined as lipgloss.AdaptiveColor to support
+// both light and dark terminal backgrounds.
+type Theme interface {
+	// Base colors
+	Primary() lipgloss.AdaptiveColor
+	Secondary() lipgloss.AdaptiveColor
+	Accent() lipgloss.AdaptiveColor
+
+	// Status colors
+	Error() lipgloss.AdaptiveColor
+	Warning() lipgloss.AdaptiveColor
+	Success() lipgloss.AdaptiveColor
+	Info() lipgloss.AdaptiveColor
+
+	// Text colors
+	Text() lipgloss.AdaptiveColor
+	TextMuted() lipgloss.AdaptiveColor
+	TextEmphasized() lipgloss.AdaptiveColor
+
+	// Background colors
+	Background() lipgloss.AdaptiveColor
+	BackgroundSecondary() lipgloss.AdaptiveColor
+	BackgroundDarker() lipgloss.AdaptiveColor
+
+	// Border colors
+	BorderNormal() lipgloss.AdaptiveColor
+	BorderFocused() lipgloss.AdaptiveColor
+	BorderDim() lipgloss.AdaptiveColor
+
+	// Diff view colors
+	DiffAdded() lipgloss.AdaptiveColor
+	DiffRemoved() lipgloss.AdaptiveColor
+	DiffContext() lipgloss.AdaptiveColor
+	DiffHunkHeader() lipgloss.AdaptiveColor
+	DiffHighlightAdded() lipgloss.AdaptiveColor
+	DiffHighlightRemoved() lipgloss.AdaptiveColor
+	DiffAddedBg() lipgloss.AdaptiveColor
+	DiffRemovedBg() lipgloss.AdaptiveColor
+	DiffContextBg() lipgloss.AdaptiveColor
+	DiffLineNumber() lipgloss.AdaptiveColor
+	DiffAddedLineNumberBg() lipgloss.AdaptiveColor
+	DiffRemovedLineNumberBg() lipgloss.AdaptiveColor
+
+	// Markdown colors
+	MarkdownText() lipgloss.AdaptiveColor
+	MarkdownHeading() lipgloss.AdaptiveColor
+	MarkdownLink() lipgloss.AdaptiveColor
+	MarkdownLinkText() lipgloss.AdaptiveColor
+	MarkdownCode() lipgloss.AdaptiveColor
+	MarkdownBlockQuote() lipgloss.AdaptiveColor
+	MarkdownEmph() lipgloss.AdaptiveColor
+	MarkdownStrong() lipgloss.AdaptiveColor
+	MarkdownHorizontalRule() lipgloss.AdaptiveColor
+	MarkdownListItem() lipgloss.AdaptiveColor
+	MarkdownListEnumeration() lipgloss.AdaptiveColor
+	MarkdownImage() lipgloss.AdaptiveColor
+	MarkdownImageText() lipgloss.AdaptiveColor
+	MarkdownCodeBlock() lipgloss.AdaptiveColor
+
+	// Syntax highlighting colors
+	SyntaxComment() lipgloss.AdaptiveColor
+	SyntaxKeyword() lipgloss.AdaptiveColor
+	SyntaxFunction() lipgloss.AdaptiveColor
+	SyntaxVariable() lipgloss.AdaptiveColor
+	SyntaxString() lipgloss.AdaptiveColor
+	SyntaxNumber() lipgloss.AdaptiveColor
+	SyntaxType() lipgloss.AdaptiveColor
+	SyntaxOperator() lipgloss.AdaptiveColor
+	SyntaxPunctuation() lipgloss.AdaptiveColor
+}
+
+// BaseTheme provides a default implementation of the Theme interface
+// that can be embedded in concrete theme implementations.
+type BaseTheme struct {
+	// Base colors
+	PrimaryColor       lipgloss.AdaptiveColor
+	SecondaryColor     lipgloss.AdaptiveColor
+	AccentColor        lipgloss.AdaptiveColor
+
+	// Status colors
+	ErrorColor         lipgloss.AdaptiveColor
+	WarningColor       lipgloss.AdaptiveColor
+	SuccessColor       lipgloss.AdaptiveColor
+	InfoColor          lipgloss.AdaptiveColor
+
+	// Text colors
+	TextColor          lipgloss.AdaptiveColor
+	TextMutedColor     lipgloss.AdaptiveColor
+	TextEmphasizedColor lipgloss.AdaptiveColor
+
+	// Background colors
+	BackgroundColor    lipgloss.AdaptiveColor
+	BackgroundSecondaryColor lipgloss.AdaptiveColor
+	BackgroundDarkerColor lipgloss.AdaptiveColor
+
+	// Border colors
+	BorderNormalColor  lipgloss.AdaptiveColor
+	BorderFocusedColor lipgloss.AdaptiveColor
+	BorderDimColor     lipgloss.AdaptiveColor
+
+	// Diff view colors
+	DiffAddedColor     lipgloss.AdaptiveColor
+	DiffRemovedColor   lipgloss.AdaptiveColor
+	DiffContextColor   lipgloss.AdaptiveColor
+	DiffHunkHeaderColor lipgloss.AdaptiveColor
+	DiffHighlightAddedColor lipgloss.AdaptiveColor
+	DiffHighlightRemovedColor lipgloss.AdaptiveColor
+	DiffAddedBgColor   lipgloss.AdaptiveColor
+	DiffRemovedBgColor lipgloss.AdaptiveColor
+	DiffContextBgColor lipgloss.AdaptiveColor
+	DiffLineNumberColor lipgloss.AdaptiveColor
+	DiffAddedLineNumberBgColor lipgloss.AdaptiveColor
+	DiffRemovedLineNumberBgColor lipgloss.AdaptiveColor
+
+	// Markdown colors
+	MarkdownTextColor  lipgloss.AdaptiveColor
+	MarkdownHeadingColor lipgloss.AdaptiveColor
+	MarkdownLinkColor  lipgloss.AdaptiveColor
+	MarkdownLinkTextColor lipgloss.AdaptiveColor
+	MarkdownCodeColor  lipgloss.AdaptiveColor
+	MarkdownBlockQuoteColor lipgloss.AdaptiveColor
+	MarkdownEmphColor  lipgloss.AdaptiveColor
+	MarkdownStrongColor lipgloss.AdaptiveColor
+	MarkdownHorizontalRuleColor lipgloss.AdaptiveColor
+	MarkdownListItemColor lipgloss.AdaptiveColor
+	MarkdownListEnumerationColor lipgloss.AdaptiveColor
+	MarkdownImageColor lipgloss.AdaptiveColor
+	MarkdownImageTextColor lipgloss.AdaptiveColor
+	MarkdownCodeBlockColor lipgloss.AdaptiveColor
+
+	// Syntax highlighting colors
+	SyntaxCommentColor lipgloss.AdaptiveColor
+	SyntaxKeywordColor lipgloss.AdaptiveColor
+	SyntaxFunctionColor lipgloss.AdaptiveColor
+	SyntaxVariableColor lipgloss.AdaptiveColor
+	SyntaxStringColor  lipgloss.AdaptiveColor
+	SyntaxNumberColor  lipgloss.AdaptiveColor
+	SyntaxTypeColor    lipgloss.AdaptiveColor
+	SyntaxOperatorColor lipgloss.AdaptiveColor
+	SyntaxPunctuationColor lipgloss.AdaptiveColor
+}
+
+// Implement the Theme interface for BaseTheme
+func (t *BaseTheme) Primary() lipgloss.AdaptiveColor { return t.PrimaryColor }
+func (t *BaseTheme) Secondary() lipgloss.AdaptiveColor { return t.SecondaryColor }
+func (t *BaseTheme) Accent() lipgloss.AdaptiveColor { return t.AccentColor }
+
+func (t *BaseTheme) Error() lipgloss.AdaptiveColor { return t.ErrorColor }
+func (t *BaseTheme) Warning() lipgloss.AdaptiveColor { return t.WarningColor }
+func (t *BaseTheme) Success() lipgloss.AdaptiveColor { return t.SuccessColor }
+func (t *BaseTheme) Info() lipgloss.AdaptiveColor { return t.InfoColor }
+
+func (t *BaseTheme) Text() lipgloss.AdaptiveColor { return t.TextColor }
+func (t *BaseTheme) TextMuted() lipgloss.AdaptiveColor { return t.TextMutedColor }
+func (t *BaseTheme) TextEmphasized() lipgloss.AdaptiveColor { return t.TextEmphasizedColor }
+
+func (t *BaseTheme) Background() lipgloss.AdaptiveColor { return t.BackgroundColor }
+func (t *BaseTheme) BackgroundSecondary() lipgloss.AdaptiveColor { return t.BackgroundSecondaryColor }
+func (t *BaseTheme) BackgroundDarker() lipgloss.AdaptiveColor { return t.BackgroundDarkerColor }
+
+func (t *BaseTheme) BorderNormal() lipgloss.AdaptiveColor { return t.BorderNormalColor }
+func (t *BaseTheme) BorderFocused() lipgloss.AdaptiveColor { return t.BorderFocusedColor }
+func (t *BaseTheme) BorderDim() lipgloss.AdaptiveColor { return t.BorderDimColor }
+
+func (t *BaseTheme) DiffAdded() lipgloss.AdaptiveColor { return t.DiffAddedColor }
+func (t *BaseTheme) DiffRemoved() lipgloss.AdaptiveColor { return t.DiffRemovedColor }
+func (t *BaseTheme) DiffContext() lipgloss.AdaptiveColor { return t.DiffContextColor }
+func (t *BaseTheme) DiffHunkHeader() lipgloss.AdaptiveColor { return t.DiffHunkHeaderColor }
+func (t *BaseTheme) DiffHighlightAdded() lipgloss.AdaptiveColor { return t.DiffHighlightAddedColor }
+func (t *BaseTheme) DiffHighlightRemoved() lipgloss.AdaptiveColor { return t.DiffHighlightRemovedColor }
+func (t *BaseTheme) DiffAddedBg() lipgloss.AdaptiveColor { return t.DiffAddedBgColor }
+func (t *BaseTheme) DiffRemovedBg() lipgloss.AdaptiveColor { return t.DiffRemovedBgColor }
+func (t *BaseTheme) DiffContextBg() lipgloss.AdaptiveColor { return t.DiffContextBgColor }
+func (t *BaseTheme) DiffLineNumber() lipgloss.AdaptiveColor { return t.DiffLineNumberColor }
+func (t *BaseTheme) DiffAddedLineNumberBg() lipgloss.AdaptiveColor { return t.DiffAddedLineNumberBgColor }
+func (t *BaseTheme) DiffRemovedLineNumberBg() lipgloss.AdaptiveColor { return t.DiffRemovedLineNumberBgColor }
+
+func (t *BaseTheme) MarkdownText() lipgloss.AdaptiveColor { return t.MarkdownTextColor }
+func (t *BaseTheme) MarkdownHeading() lipgloss.AdaptiveColor { return t.MarkdownHeadingColor }
+func (t *BaseTheme) MarkdownLink() lipgloss.AdaptiveColor { return t.MarkdownLinkColor }
+func (t *BaseTheme) MarkdownLinkText() lipgloss.AdaptiveColor { return t.MarkdownLinkTextColor }
+func (t *BaseTheme) MarkdownCode() lipgloss.AdaptiveColor { return t.MarkdownCodeColor }
+func (t *BaseTheme) MarkdownBlockQuote() lipgloss.AdaptiveColor { return t.MarkdownBlockQuoteColor }
+func (t *BaseTheme) MarkdownEmph() lipgloss.AdaptiveColor { return t.MarkdownEmphColor }
+func (t *BaseTheme) MarkdownStrong() lipgloss.AdaptiveColor { return t.MarkdownStrongColor }
+func (t *BaseTheme) MarkdownHorizontalRule() lipgloss.AdaptiveColor { return t.MarkdownHorizontalRuleColor }
+func (t *BaseTheme) MarkdownListItem() lipgloss.AdaptiveColor { return t.MarkdownListItemColor }
+func (t *BaseTheme) MarkdownListEnumeration() lipgloss.AdaptiveColor { return t.MarkdownListEnumerationColor }
+func (t *BaseTheme) MarkdownImage() lipgloss.AdaptiveColor { return t.MarkdownImageColor }
+func (t *BaseTheme) MarkdownImageText() lipgloss.AdaptiveColor { return t.MarkdownImageTextColor }
+func (t *BaseTheme) MarkdownCodeBlock() lipgloss.AdaptiveColor { return t.MarkdownCodeBlockColor }
+
+func (t *BaseTheme) SyntaxComment() lipgloss.AdaptiveColor { return t.SyntaxCommentColor }
+func (t *BaseTheme) SyntaxKeyword() lipgloss.AdaptiveColor { return t.SyntaxKeywordColor }
+func (t *BaseTheme) SyntaxFunction() lipgloss.AdaptiveColor { return t.SyntaxFunctionColor }
+func (t *BaseTheme) SyntaxVariable() lipgloss.AdaptiveColor { return t.SyntaxVariableColor }
+func (t *BaseTheme) SyntaxString() lipgloss.AdaptiveColor { return t.SyntaxStringColor }
+func (t *BaseTheme) SyntaxNumber() lipgloss.AdaptiveColor { return t.SyntaxNumberColor }
+func (t *BaseTheme) SyntaxType() lipgloss.AdaptiveColor { return t.SyntaxTypeColor }
+func (t *BaseTheme) SyntaxOperator() lipgloss.AdaptiveColor { return t.SyntaxOperatorColor }
+func (t *BaseTheme) SyntaxPunctuation() lipgloss.AdaptiveColor { return t.SyntaxPunctuationColor }
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