openapi

11 files changed, 2847 insertions, 0 deletions

diff --git a/pkg/tui/theme/catppuccin.go b/pkg/tui/theme/catppuccin.go
new file mode 100644
index 000000000..c3c32501e
--- /dev/null
+++ b/pkg/tui/theme/catppuccin.go
@@ -0,0 +1,248 @@
+package theme
+
+import (
+	catppuccin "github.com/catppuccin/go"
+	"github.com/charmbracelet/lipgloss"
+)
+
+// CatppuccinTheme implements the Theme interface with Catppuccin colors.
+// It provides both dark (Mocha) and light (Latte) variants.
+type CatppuccinTheme struct {
+	BaseTheme
+}
+
+// NewCatppuccinTheme creates a new instance of the Catppuccin theme.
+func NewCatppuccinTheme() *CatppuccinTheme {
+	// Get the Catppuccin palettes
+	mocha := catppuccin.Mocha
+	latte := catppuccin.Latte
+
+	theme := &CatppuccinTheme{}
+
+	// Base colors
+	theme.PrimaryColor = lipgloss.AdaptiveColor{
+		Dark:  mocha.Blue().Hex,
+		Light: latte.Blue().Hex,
+	}
+	theme.SecondaryColor = lipgloss.AdaptiveColor{
+		Dark:  mocha.Mauve().Hex,
+		Light: latte.Mauve().Hex,
+	}
+	theme.AccentColor = lipgloss.AdaptiveColor{
+		Dark:  mocha.Peach().Hex,
+		Light: latte.Peach().Hex,
+	}
+
+	// Status colors
+	theme.ErrorColor = lipgloss.AdaptiveColor{
+		Dark:  mocha.Red().Hex,
+		Light: latte.Red().Hex,
+	}
+	theme.WarningColor = lipgloss.AdaptiveColor{
+		Dark:  mocha.Peach().Hex,
+		Light: latte.Peach().Hex,
+	}
+	theme.SuccessColor = lipgloss.AdaptiveColor{
+		Dark:  mocha.Green().Hex,
+		Light: latte.Green().Hex,
+	}
+	theme.InfoColor = lipgloss.AdaptiveColor{
+		Dark:  mocha.Blue().Hex,
+		Light: latte.Blue().Hex,
+	}
+
+	// Text colors
+	theme.TextColor = lipgloss.AdaptiveColor{
+		Dark:  mocha.Text().Hex,
+		Light: latte.Text().Hex,
+	}
+	theme.TextMutedColor = lipgloss.AdaptiveColor{
+		Dark:  mocha.Subtext0().Hex,
+		Light: latte.Subtext0().Hex,
+	}
+	theme.TextEmphasizedColor = lipgloss.AdaptiveColor{
+		Dark:  mocha.Lavender().Hex,
+		Light: latte.Lavender().Hex,
+	}
+
+	// Background colors
+	theme.BackgroundColor = lipgloss.AdaptiveColor{
+		Dark:  "#212121", // From existing styles
+		Light: "#EEEEEE", // Light equivalent
+	}
+	theme.BackgroundSecondaryColor = lipgloss.AdaptiveColor{
+		Dark:  "#2c2c2c", // From existing styles
+		Light: "#E0E0E0", // Light equivalent
+	}
+	theme.BackgroundDarkerColor = lipgloss.AdaptiveColor{
+		Dark:  "#181818", // From existing styles
+		Light: "#F5F5F5", // Light equivalent
+	}
+
+	// Border colors
+	theme.BorderNormalColor = lipgloss.AdaptiveColor{
+		Dark:  "#4b4c5c", // From existing styles
+		Light: "#BDBDBD", // Light equivalent
+	}
+	theme.BorderFocusedColor = lipgloss.AdaptiveColor{
+		Dark:  mocha.Blue().Hex,
+		Light: latte.Blue().Hex,
+	}
+	theme.BorderDimColor = lipgloss.AdaptiveColor{
+		Dark:  mocha.Surface0().Hex,
+		Light: latte.Surface0().Hex,
+	}
+
+	// Diff view colors
+	theme.DiffAddedColor = lipgloss.AdaptiveColor{
+		Dark:  "#478247", // From existing diff.go
+		Light: "#2E7D32", // Light equivalent
+	}
+	theme.DiffRemovedColor = lipgloss.AdaptiveColor{
+		Dark:  "#7C4444", // From existing diff.go
+		Light: "#C62828", // Light equivalent
+	}
+	theme.DiffContextColor = lipgloss.AdaptiveColor{
+		Dark:  "#a0a0a0", // From existing diff.go
+		Light: "#757575", // Light equivalent
+	}
+	theme.DiffHunkHeaderColor = lipgloss.AdaptiveColor{
+		Dark:  "#a0a0a0", // From existing diff.go
+		Light: "#757575", // Light equivalent
+	}
+	theme.DiffHighlightAddedColor = lipgloss.AdaptiveColor{
+		Dark:  "#DAFADA", // From existing diff.go
+		Light: "#A5D6A7", // Light equivalent
+	}
+	theme.DiffHighlightRemovedColor = lipgloss.AdaptiveColor{
+		Dark:  "#FADADD", // From existing diff.go
+		Light: "#EF9A9A", // Light equivalent
+	}
+	theme.DiffAddedBgColor = lipgloss.AdaptiveColor{
+		Dark:  "#303A30", // From existing diff.go
+		Light: "#E8F5E9", // Light equivalent
+	}
+	theme.DiffRemovedBgColor = lipgloss.AdaptiveColor{
+		Dark:  "#3A3030", // From existing diff.go
+		Light: "#FFEBEE", // Light equivalent
+	}
+	theme.DiffContextBgColor = lipgloss.AdaptiveColor{
+		Dark:  "#212121", // From existing diff.go
+		Light: "#F5F5F5", // Light equivalent
+	}
+	theme.DiffLineNumberColor = lipgloss.AdaptiveColor{
+		Dark:  "#888888", // From existing diff.go
+		Light: "#9E9E9E", // Light equivalent
+	}
+	theme.DiffAddedLineNumberBgColor = lipgloss.AdaptiveColor{
+		Dark:  "#293229", // From existing diff.go
+		Light: "#C8E6C9", // Light equivalent
+	}
+	theme.DiffRemovedLineNumberBgColor = lipgloss.AdaptiveColor{
+		Dark:  "#332929", // From existing diff.go
+		Light: "#FFCDD2", // Light equivalent
+	}
+
+	// Markdown colors
+	theme.MarkdownTextColor = lipgloss.AdaptiveColor{
+		Dark:  mocha.Text().Hex,
+		Light: latte.Text().Hex,
+	}
+	theme.MarkdownHeadingColor = lipgloss.AdaptiveColor{
+		Dark:  mocha.Mauve().Hex,
+		Light: latte.Mauve().Hex,
+	}
+	theme.MarkdownLinkColor = lipgloss.AdaptiveColor{
+		Dark:  mocha.Sky().Hex,
+		Light: latte.Sky().Hex,
+	}
+	theme.MarkdownLinkTextColor = lipgloss.AdaptiveColor{
+		Dark:  mocha.Pink().Hex,
+		Light: latte.Pink().Hex,
+	}
+	theme.MarkdownCodeColor = lipgloss.AdaptiveColor{
+		Dark:  mocha.Green().Hex,
+		Light: latte.Green().Hex,
+	}
+	theme.MarkdownBlockQuoteColor = lipgloss.AdaptiveColor{
+		Dark:  mocha.Yellow().Hex,
+		Light: latte.Yellow().Hex,
+	}
+	theme.MarkdownEmphColor = lipgloss.AdaptiveColor{
+		Dark:  mocha.Yellow().Hex,
+		Light: latte.Yellow().Hex,
+	}
+	theme.MarkdownStrongColor = lipgloss.AdaptiveColor{
+		Dark:  mocha.Peach().Hex,
+		Light: latte.Peach().Hex,
+	}
+	theme.MarkdownHorizontalRuleColor = lipgloss.AdaptiveColor{
+		Dark:  mocha.Overlay0().Hex,
+		Light: latte.Overlay0().Hex,
+	}
+	theme.MarkdownListItemColor = lipgloss.AdaptiveColor{
+		Dark:  mocha.Blue().Hex,
+		Light: latte.Blue().Hex,
+	}
+	theme.MarkdownListEnumerationColor = lipgloss.AdaptiveColor{
+		Dark:  mocha.Sky().Hex,
+		Light: latte.Sky().Hex,
+	}
+	theme.MarkdownImageColor = lipgloss.AdaptiveColor{
+		Dark:  mocha.Sapphire().Hex,
+		Light: latte.Sapphire().Hex,
+	}
+	theme.MarkdownImageTextColor = lipgloss.AdaptiveColor{
+		Dark:  mocha.Pink().Hex,
+		Light: latte.Pink().Hex,
+	}
+	theme.MarkdownCodeBlockColor = lipgloss.AdaptiveColor{
+		Dark:  mocha.Text().Hex,
+		Light: latte.Text().Hex,
+	}
+
+	// Syntax highlighting colors
+	theme.SyntaxCommentColor = lipgloss.AdaptiveColor{
+		Dark:  mocha.Overlay1().Hex,
+		Light: latte.Overlay1().Hex,
+	}
+	theme.SyntaxKeywordColor = lipgloss.AdaptiveColor{
+		Dark:  mocha.Pink().Hex,
+		Light: latte.Pink().Hex,
+	}
+	theme.SyntaxFunctionColor = lipgloss.AdaptiveColor{
+		Dark:  mocha.Green().Hex,
+		Light: latte.Green().Hex,
+	}
+	theme.SyntaxVariableColor = lipgloss.AdaptiveColor{
+		Dark:  mocha.Sky().Hex,
+		Light: latte.Sky().Hex,
+	}
+	theme.SyntaxStringColor = lipgloss.AdaptiveColor{
+		Dark:  mocha.Yellow().Hex,
+		Light: latte.Yellow().Hex,
+	}
+	theme.SyntaxNumberColor = lipgloss.AdaptiveColor{
+		Dark:  mocha.Teal().Hex,
+		Light: latte.Teal().Hex,
+	}
+	theme.SyntaxTypeColor = lipgloss.AdaptiveColor{
+		Dark:  mocha.Sky().Hex,
+		Light: latte.Sky().Hex,
+	}
+	theme.SyntaxOperatorColor = lipgloss.AdaptiveColor{
+		Dark:  mocha.Pink().Hex,
+		Light: latte.Pink().Hex,
+	}
+	theme.SyntaxPunctuationColor = lipgloss.AdaptiveColor{
+		Dark:  mocha.Text().Hex,
+		Light: latte.Text().Hex,
+	}
+
+	return theme
+}
+
+func init() {
+	// Register the Catppuccin theme with the theme manager
+	RegisterTheme("catppuccin", NewCatppuccinTheme())
+}
diff --git a/pkg/tui/theme/dracula.go b/pkg/tui/theme/dracula.go
new file mode 100644
index 000000000..29a1457d4
--- /dev/null
+++ b/pkg/tui/theme/dracula.go
@@ -0,0 +1,274 @@
+package theme
+
+import (
+	"github.com/charmbracelet/lipgloss"
+)
+
+// DraculaTheme implements the Theme interface with Dracula colors.
+// It provides both dark and light variants, though Dracula is primarily a dark theme.
+type DraculaTheme struct {
+	BaseTheme
+}
+
+// NewDraculaTheme creates a new instance of the Dracula theme.
+func NewDraculaTheme() *DraculaTheme {
+	// Dracula color palette
+	// Official colors from https://draculatheme.com/
+	darkBackground := "#282a36"
+	darkCurrentLine := "#44475a"
+	darkSelection := "#44475a"
+	darkForeground := "#f8f8f2"
+	darkComment := "#6272a4"
+	darkCyan := "#8be9fd"
+	darkGreen := "#50fa7b"
+	darkOrange := "#ffb86c"
+	darkPink := "#ff79c6"
+	darkPurple := "#bd93f9"
+	darkRed := "#ff5555"
+	darkYellow := "#f1fa8c"
+	darkBorder := "#44475a"
+
+	// Light mode approximation (Dracula is primarily a dark theme)
+	lightBackground := "#f8f8f2"
+	lightCurrentLine := "#e6e6e6"
+	lightSelection := "#d8d8d8"
+	lightForeground := "#282a36"
+	lightComment := "#6272a4"
+	lightCyan := "#0097a7"
+	lightGreen := "#388e3c"
+	lightOrange := "#f57c00"
+	lightPink := "#d81b60"
+	lightPurple := "#7e57c2"
+	lightRed := "#e53935"
+	lightYellow := "#fbc02d"
+	lightBorder := "#d8d8d8"
+
+	theme := &DraculaTheme{}
+
+	// Base colors
+	theme.PrimaryColor = lipgloss.AdaptiveColor{
+		Dark:  darkPurple,
+		Light: lightPurple,
+	}
+	theme.SecondaryColor = lipgloss.AdaptiveColor{
+		Dark:  darkPink,
+		Light: lightPink,
+	}
+	theme.AccentColor = lipgloss.AdaptiveColor{
+		Dark:  darkCyan,
+		Light: lightCyan,
+	}
+
+	// Status colors
+	theme.ErrorColor = lipgloss.AdaptiveColor{
+		Dark:  darkRed,
+		Light: lightRed,
+	}
+	theme.WarningColor = lipgloss.AdaptiveColor{
+		Dark:  darkOrange,
+		Light: lightOrange,
+	}
+	theme.SuccessColor = lipgloss.AdaptiveColor{
+		Dark:  darkGreen,
+		Light: lightGreen,
+	}
+	theme.InfoColor = lipgloss.AdaptiveColor{
+		Dark:  darkCyan,
+		Light: lightCyan,
+	}
+
+	// Text colors
+	theme.TextColor = lipgloss.AdaptiveColor{
+		Dark:  darkForeground,
+		Light: lightForeground,
+	}
+	theme.TextMutedColor = lipgloss.AdaptiveColor{
+		Dark:  darkComment,
+		Light: lightComment,
+	}
+	theme.TextEmphasizedColor = lipgloss.AdaptiveColor{
+		Dark:  darkYellow,
+		Light: lightYellow,
+	}
+
+	// Background colors
+	theme.BackgroundColor = lipgloss.AdaptiveColor{
+		Dark:  darkBackground,
+		Light: lightBackground,
+	}
+	theme.BackgroundSecondaryColor = lipgloss.AdaptiveColor{
+		Dark:  darkCurrentLine,
+		Light: lightCurrentLine,
+	}
+	theme.BackgroundDarkerColor = lipgloss.AdaptiveColor{
+		Dark:  "#21222c", // Slightly darker than background
+		Light: "#ffffff", // Slightly lighter than background
+	}
+
+	// Border colors
+	theme.BorderNormalColor = lipgloss.AdaptiveColor{
+		Dark:  darkBorder,
+		Light: lightBorder,
+	}
+	theme.BorderFocusedColor = lipgloss.AdaptiveColor{
+		Dark:  darkPurple,
+		Light: lightPurple,
+	}
+	theme.BorderDimColor = lipgloss.AdaptiveColor{
+		Dark:  darkSelection,
+		Light: lightSelection,
+	}
+
+	// Diff view colors
+	theme.DiffAddedColor = lipgloss.AdaptiveColor{
+		Dark:  darkGreen,
+		Light: lightGreen,
+	}
+	theme.DiffRemovedColor = lipgloss.AdaptiveColor{
+		Dark:  darkRed,
+		Light: lightRed,
+	}
+	theme.DiffContextColor = lipgloss.AdaptiveColor{
+		Dark:  darkComment,
+		Light: lightComment,
+	}
+	theme.DiffHunkHeaderColor = lipgloss.AdaptiveColor{
+		Dark:  darkPurple,
+		Light: lightPurple,
+	}
+	theme.DiffHighlightAddedColor = lipgloss.AdaptiveColor{
+		Dark:  "#50fa7b",
+		Light: "#a5d6a7",
+	}
+	theme.DiffHighlightRemovedColor = lipgloss.AdaptiveColor{
+		Dark:  "#ff5555",
+		Light: "#ef9a9a",
+	}
+	theme.DiffAddedBgColor = lipgloss.AdaptiveColor{
+		Dark:  "#2c3b2c",
+		Light: "#e8f5e9",
+	}
+	theme.DiffRemovedBgColor = lipgloss.AdaptiveColor{
+		Dark:  "#3b2c2c",
+		Light: "#ffebee",
+	}
+	theme.DiffContextBgColor = lipgloss.AdaptiveColor{
+		Dark:  darkBackground,
+		Light: lightBackground,
+	}
+	theme.DiffLineNumberColor = lipgloss.AdaptiveColor{
+		Dark:  darkComment,
+		Light: lightComment,
+	}
+	theme.DiffAddedLineNumberBgColor = lipgloss.AdaptiveColor{
+		Dark:  "#253025",
+		Light: "#c8e6c9",
+	}
+	theme.DiffRemovedLineNumberBgColor = lipgloss.AdaptiveColor{
+		Dark:  "#302525",
+		Light: "#ffcdd2",
+	}
+
+	// Markdown colors
+	theme.MarkdownTextColor = lipgloss.AdaptiveColor{
+		Dark:  darkForeground,
+		Light: lightForeground,
+	}
+	theme.MarkdownHeadingColor = lipgloss.AdaptiveColor{
+		Dark:  darkPink,
+		Light: lightPink,
+	}
+	theme.MarkdownLinkColor = lipgloss.AdaptiveColor{
+		Dark:  darkPurple,
+		Light: lightPurple,
+	}
+	theme.MarkdownLinkTextColor = lipgloss.AdaptiveColor{
+		Dark:  darkCyan,
+		Light: lightCyan,
+	}
+	theme.MarkdownCodeColor = lipgloss.AdaptiveColor{
+		Dark:  darkGreen,
+		Light: lightGreen,
+	}
+	theme.MarkdownBlockQuoteColor = lipgloss.AdaptiveColor{
+		Dark:  darkYellow,
+		Light: lightYellow,
+	}
+	theme.MarkdownEmphColor = lipgloss.AdaptiveColor{
+		Dark:  darkYellow,
+		Light: lightYellow,
+	}
+	theme.MarkdownStrongColor = lipgloss.AdaptiveColor{
+		Dark:  darkOrange,
+		Light: lightOrange,
+	}
+	theme.MarkdownHorizontalRuleColor = lipgloss.AdaptiveColor{
+		Dark:  darkComment,
+		Light: lightComment,
+	}
+	theme.MarkdownListItemColor = lipgloss.AdaptiveColor{
+		Dark:  darkPurple,
+		Light: lightPurple,
+	}
+	theme.MarkdownListEnumerationColor = lipgloss.AdaptiveColor{
+		Dark:  darkCyan,
+		Light: lightCyan,
+	}
+	theme.MarkdownImageColor = lipgloss.AdaptiveColor{
+		Dark:  darkPurple,
+		Light: lightPurple,
+	}
+	theme.MarkdownImageTextColor = lipgloss.AdaptiveColor{
+		Dark:  darkCyan,
+		Light: lightCyan,
+	}
+	theme.MarkdownCodeBlockColor = lipgloss.AdaptiveColor{
+		Dark:  darkForeground,
+		Light: lightForeground,
+	}
+
+	// Syntax highlighting colors
+	theme.SyntaxCommentColor = lipgloss.AdaptiveColor{
+		Dark:  darkComment,
+		Light: lightComment,
+	}
+	theme.SyntaxKeywordColor = lipgloss.AdaptiveColor{
+		Dark:  darkPink,
+		Light: lightPink,
+	}
+	theme.SyntaxFunctionColor = lipgloss.AdaptiveColor{
+		Dark:  darkGreen,
+		Light: lightGreen,
+	}
+	theme.SyntaxVariableColor = lipgloss.AdaptiveColor{
+		Dark:  darkOrange,
+		Light: lightOrange,
+	}
+	theme.SyntaxStringColor = lipgloss.AdaptiveColor{
+		Dark:  darkYellow,
+		Light: lightYellow,
+	}
+	theme.SyntaxNumberColor = lipgloss.AdaptiveColor{
+		Dark:  darkPurple,
+		Light: lightPurple,
+	}
+	theme.SyntaxTypeColor = lipgloss.AdaptiveColor{
+		Dark:  darkCyan,
+		Light: lightCyan,
+	}
+	theme.SyntaxOperatorColor = lipgloss.AdaptiveColor{
+		Dark:  darkPink,
+		Light: lightPink,
+	}
+	theme.SyntaxPunctuationColor = lipgloss.AdaptiveColor{
+		Dark:  darkForeground,
+		Light: lightForeground,
+	}
+
+	return theme
+}
+
+func init() {
+	// Register the Dracula theme with the theme manager
+	RegisterTheme("dracula", NewDraculaTheme())
+}
diff --git a/pkg/tui/theme/flexoki.go b/pkg/tui/theme/flexoki.go
new file mode 100644
index 000000000..5da5683c5
--- /dev/null
+++ b/pkg/tui/theme/flexoki.go
@@ -0,0 +1,282 @@
+package theme
+
+import (
+	"github.com/charmbracelet/lipgloss"
+)
+
+// Flexoki color palette constants
+const (
+	// Base colors
+	flexokiPaper   = "#FFFCF0" // Paper (lightest)
+	flexokiBase50  = "#F2F0E5" // bg-2 (light)
+	flexokiBase100 = "#E6E4D9" // ui (light)
+	flexokiBase150 = "#DAD8CE" // ui-2 (light)
+	flexokiBase200 = "#CECDC3" // ui-3 (light)
+	flexokiBase300 = "#B7B5AC" // tx-3 (light)
+	flexokiBase500 = "#878580" // tx-2 (light)
+	flexokiBase600 = "#6F6E69" // tx (light)
+	flexokiBase700 = "#575653" // tx-3 (dark)
+	flexokiBase800 = "#403E3C" // ui-3 (dark)
+	flexokiBase850 = "#343331" // ui-2 (dark)
+	flexokiBase900 = "#282726" // ui (dark)
+	flexokiBase950 = "#1C1B1A" // bg-2 (dark)
+	flexokiBlack   = "#100F0F" // bg (darkest)
+
+	// Accent colors - Light theme (600)
+	flexokiRed600     = "#AF3029"
+	flexokiOrange600  = "#BC5215"
+	flexokiYellow600  = "#AD8301"
+	flexokiGreen600   = "#66800B"
+	flexokiCyan600    = "#24837B"
+	flexokiBlue600    = "#205EA6"
+	flexokiPurple600  = "#5E409D"
+	flexokiMagenta600 = "#A02F6F"
+
+	// Accent colors - Dark theme (400)
+	flexokiRed400     = "#D14D41"
+	flexokiOrange400  = "#DA702C"
+	flexokiYellow400  = "#D0A215"
+	flexokiGreen400   = "#879A39"
+	flexokiCyan400    = "#3AA99F"
+	flexokiBlue400    = "#4385BE"
+	flexokiPurple400  = "#8B7EC8"
+	flexokiMagenta400 = "#CE5D97"
+)
+
+// FlexokiTheme implements the Theme interface with Flexoki colors.
+// It provides both dark and light variants.
+type FlexokiTheme struct {
+	BaseTheme
+}
+
+// NewFlexokiTheme creates a new instance of the Flexoki theme.
+func NewFlexokiTheme() *FlexokiTheme {
+	theme := &FlexokiTheme{}
+
+	// Base colors
+	theme.PrimaryColor = lipgloss.AdaptiveColor{
+		Dark:  flexokiBlue400,
+		Light: flexokiBlue600,
+	}
+	theme.SecondaryColor = lipgloss.AdaptiveColor{
+		Dark:  flexokiPurple400,
+		Light: flexokiPurple600,
+	}
+	theme.AccentColor = lipgloss.AdaptiveColor{
+		Dark:  flexokiOrange400,
+		Light: flexokiOrange600,
+	}
+
+	// Status colors
+	theme.ErrorColor = lipgloss.AdaptiveColor{
+		Dark:  flexokiRed400,
+		Light: flexokiRed600,
+	}
+	theme.WarningColor = lipgloss.AdaptiveColor{
+		Dark:  flexokiYellow400,
+		Light: flexokiYellow600,
+	}
+	theme.SuccessColor = lipgloss.AdaptiveColor{
+		Dark:  flexokiGreen400,
+		Light: flexokiGreen600,
+	}
+	theme.InfoColor = lipgloss.AdaptiveColor{
+		Dark:  flexokiCyan400,
+		Light: flexokiCyan600,
+	}
+
+	// Text colors
+	theme.TextColor = lipgloss.AdaptiveColor{
+		Dark:  flexokiBase300,
+		Light: flexokiBase600,
+	}
+	theme.TextMutedColor = lipgloss.AdaptiveColor{
+		Dark:  flexokiBase700,
+		Light: flexokiBase500,
+	}
+	theme.TextEmphasizedColor = lipgloss.AdaptiveColor{
+		Dark:  flexokiYellow400,
+		Light: flexokiYellow600,
+	}
+
+	// Background colors
+	theme.BackgroundColor = lipgloss.AdaptiveColor{
+		Dark:  flexokiBlack,
+		Light: flexokiPaper,
+	}
+	theme.BackgroundSecondaryColor = lipgloss.AdaptiveColor{
+		Dark:  flexokiBase950,
+		Light: flexokiBase50,
+	}
+	theme.BackgroundDarkerColor = lipgloss.AdaptiveColor{
+		Dark:  flexokiBase900,
+		Light: flexokiBase100,
+	}
+
+	// Border colors
+	theme.BorderNormalColor = lipgloss.AdaptiveColor{
+		Dark:  flexokiBase900,
+		Light: flexokiBase100,
+	}
+	theme.BorderFocusedColor = lipgloss.AdaptiveColor{
+		Dark:  flexokiBlue400,
+		Light: flexokiBlue600,
+	}
+	theme.BorderDimColor = lipgloss.AdaptiveColor{
+		Dark:  flexokiBase850,
+		Light: flexokiBase150,
+	}
+
+	// Diff view colors
+	theme.DiffAddedColor = lipgloss.AdaptiveColor{
+		Dark:  flexokiGreen400,
+		Light: flexokiGreen600,
+	}
+	theme.DiffRemovedColor = lipgloss.AdaptiveColor{
+		Dark:  flexokiRed400,
+		Light: flexokiRed600,
+	}
+	theme.DiffContextColor = lipgloss.AdaptiveColor{
+		Dark:  flexokiBase700,
+		Light: flexokiBase500,
+	}
+	theme.DiffHunkHeaderColor = lipgloss.AdaptiveColor{
+		Dark:  flexokiBase700,
+		Light: flexokiBase500,
+	}
+	theme.DiffHighlightAddedColor = lipgloss.AdaptiveColor{
+		Dark:  flexokiGreen400,
+		Light: flexokiGreen600,
+	}
+	theme.DiffHighlightRemovedColor = lipgloss.AdaptiveColor{
+		Dark:  flexokiRed400,
+		Light: flexokiRed600,
+	}
+	theme.DiffAddedBgColor = lipgloss.AdaptiveColor{
+		Dark:  "#1D2419", // Darker green background
+		Light: "#EFF2E2", // Light green background
+	}
+	theme.DiffRemovedBgColor = lipgloss.AdaptiveColor{
+		Dark:  "#241919", // Darker red background
+		Light: "#F2E2E2", // Light red background
+	}
+	theme.DiffContextBgColor = lipgloss.AdaptiveColor{
+		Dark:  flexokiBlack,
+		Light: flexokiPaper,
+	}
+	theme.DiffLineNumberColor = lipgloss.AdaptiveColor{
+		Dark:  flexokiBase700,
+		Light: flexokiBase500,
+	}
+	theme.DiffAddedLineNumberBgColor = lipgloss.AdaptiveColor{
+		Dark:  "#1A2017", // Slightly darker green
+		Light: "#E5EBD9", // Light green
+	}
+	theme.DiffRemovedLineNumberBgColor = lipgloss.AdaptiveColor{
+		Dark:  "#201717", // Slightly darker red
+		Light: "#EBD9D9", // Light red
+	}
+
+	// Markdown colors
+	theme.MarkdownTextColor = lipgloss.AdaptiveColor{
+		Dark:  flexokiBase300,
+		Light: flexokiBase600,
+	}
+	theme.MarkdownHeadingColor = lipgloss.AdaptiveColor{
+		Dark:  flexokiYellow400,
+		Light: flexokiYellow600,
+	}
+	theme.MarkdownLinkColor = lipgloss.AdaptiveColor{
+		Dark:  flexokiCyan400,
+		Light: flexokiCyan600,
+	}
+	theme.MarkdownLinkTextColor = lipgloss.AdaptiveColor{
+		Dark:  flexokiMagenta400,
+		Light: flexokiMagenta600,
+	}
+	theme.MarkdownCodeColor = lipgloss.AdaptiveColor{
+		Dark:  flexokiGreen400,
+		Light: flexokiGreen600,
+	}
+	theme.MarkdownBlockQuoteColor = lipgloss.AdaptiveColor{
+		Dark:  flexokiCyan400,
+		Light: flexokiCyan600,
+	}
+	theme.MarkdownEmphColor = lipgloss.AdaptiveColor{
+		Dark:  flexokiYellow400,
+		Light: flexokiYellow600,
+	}
+	theme.MarkdownStrongColor = lipgloss.AdaptiveColor{
+		Dark:  flexokiOrange400,
+		Light: flexokiOrange600,
+	}
+	theme.MarkdownHorizontalRuleColor = lipgloss.AdaptiveColor{
+		Dark:  flexokiBase800,
+		Light: flexokiBase200,
+	}
+	theme.MarkdownListItemColor = lipgloss.AdaptiveColor{
+		Dark:  flexokiBlue400,
+		Light: flexokiBlue600,
+	}
+	theme.MarkdownListEnumerationColor = lipgloss.AdaptiveColor{
+		Dark:  flexokiBlue400,
+		Light: flexokiBlue600,
+	}
+	theme.MarkdownImageColor = lipgloss.AdaptiveColor{
+		Dark:  flexokiPurple400,
+		Light: flexokiPurple600,
+	}
+	theme.MarkdownImageTextColor = lipgloss.AdaptiveColor{
+		Dark:  flexokiMagenta400,
+		Light: flexokiMagenta600,
+	}
+	theme.MarkdownCodeBlockColor = lipgloss.AdaptiveColor{
+		Dark:  flexokiBase300,
+		Light: flexokiBase600,
+	}
+
+	// Syntax highlighting colors (based on Flexoki's mappings)
+	theme.SyntaxCommentColor = lipgloss.AdaptiveColor{
+		Dark:  flexokiBase700, // tx-3
+		Light: flexokiBase300, // tx-3
+	}
+	theme.SyntaxKeywordColor = lipgloss.AdaptiveColor{
+		Dark:  flexokiGreen400, // gr
+		Light: flexokiGreen600, // gr
+	}
+	theme.SyntaxFunctionColor = lipgloss.AdaptiveColor{
+		Dark:  flexokiOrange400, // or
+		Light: flexokiOrange600, // or
+	}
+	theme.SyntaxVariableColor = lipgloss.AdaptiveColor{
+		Dark:  flexokiBlue400, // bl
+		Light: flexokiBlue600, // bl
+	}
+	theme.SyntaxStringColor = lipgloss.AdaptiveColor{
+		Dark:  flexokiCyan400, // cy
+		Light: flexokiCyan600, // cy
+	}
+	theme.SyntaxNumberColor = lipgloss.AdaptiveColor{
+		Dark:  flexokiPurple400, // pu
+		Light: flexokiPurple600, // pu
+	}
+	theme.SyntaxTypeColor = lipgloss.AdaptiveColor{
+		Dark:  flexokiYellow400, // ye
+		Light: flexokiYellow600, // ye
+	}
+	theme.SyntaxOperatorColor = lipgloss.AdaptiveColor{
+		Dark:  flexokiBase500, // tx-2
+		Light: flexokiBase500, // tx-2
+	}
+	theme.SyntaxPunctuationColor = lipgloss.AdaptiveColor{
+		Dark:  flexokiBase500, // tx-2
+		Light: flexokiBase500, // tx-2
+	}
+
+	return theme
+}
+
+func init() {
+	// Register the Flexoki theme with the theme manager
+	RegisterTheme("flexoki", NewFlexokiTheme())
+}
diff --git a/pkg/tui/theme/gruvbox.go b/pkg/tui/theme/gruvbox.go
new file mode 100644
index 000000000..51719faaa
--- /dev/null
+++ b/pkg/tui/theme/gruvbox.go
@@ -0,0 +1,302 @@
+package theme
+
+import (
+	"github.com/charmbracelet/lipgloss"
+)
+
+// Gruvbox color palette constants
+const (
+	// Dark theme colors
+	gruvboxDarkBg0          = "#282828"
+	gruvboxDarkBg0Soft      = "#32302f"
+	gruvboxDarkBg1          = "#3c3836"
+	gruvboxDarkBg2          = "#504945"
+	gruvboxDarkBg3          = "#665c54"
+	gruvboxDarkBg4          = "#7c6f64"
+	gruvboxDarkFg0          = "#fbf1c7"
+	gruvboxDarkFg1          = "#ebdbb2"
+	gruvboxDarkFg2          = "#d5c4a1"
+	gruvboxDarkFg3          = "#bdae93"
+	gruvboxDarkFg4          = "#a89984"
+	gruvboxDarkGray         = "#928374"
+	gruvboxDarkRed          = "#cc241d"
+	gruvboxDarkRedBright    = "#fb4934"
+	gruvboxDarkGreen        = "#98971a"
+	gruvboxDarkGreenBright  = "#b8bb26"
+	gruvboxDarkYellow       = "#d79921"
+	gruvboxDarkYellowBright = "#fabd2f"
+	gruvboxDarkBlue         = "#458588"
+	gruvboxDarkBlueBright   = "#83a598"
+	gruvboxDarkPurple       = "#b16286"
+	gruvboxDarkPurpleBright = "#d3869b"
+	gruvboxDarkAqua         = "#689d6a"
+	gruvboxDarkAquaBright   = "#8ec07c"
+	gruvboxDarkOrange       = "#d65d0e"
+	gruvboxDarkOrangeBright = "#fe8019"
+
+	// Light theme colors
+	gruvboxLightBg0          = "#fbf1c7"
+	gruvboxLightBg0Soft      = "#f2e5bc"
+	gruvboxLightBg1          = "#ebdbb2"
+	gruvboxLightBg2          = "#d5c4a1"
+	gruvboxLightBg3          = "#bdae93"
+	gruvboxLightBg4          = "#a89984"
+	gruvboxLightFg0          = "#282828"
+	gruvboxLightFg1          = "#3c3836"
+	gruvboxLightFg2          = "#504945"
+	gruvboxLightFg3          = "#665c54"
+	gruvboxLightFg4          = "#7c6f64"
+	gruvboxLightGray         = "#928374"
+	gruvboxLightRed          = "#9d0006"
+	gruvboxLightRedBright    = "#cc241d"
+	gruvboxLightGreen        = "#79740e"
+	gruvboxLightGreenBright  = "#98971a"
+	gruvboxLightYellow       = "#b57614"
+	gruvboxLightYellowBright = "#d79921"
+	gruvboxLightBlue         = "#076678"
+	gruvboxLightBlueBright   = "#458588"
+	gruvboxLightPurple       = "#8f3f71"
+	gruvboxLightPurpleBright = "#b16286"
+	gruvboxLightAqua         = "#427b58"
+	gruvboxLightAquaBright   = "#689d6a"
+	gruvboxLightOrange       = "#af3a03"
+	gruvboxLightOrangeBright = "#d65d0e"
+)
+
+// GruvboxTheme implements the Theme interface with Gruvbox colors.
+// It provides both dark and light variants.
+type GruvboxTheme struct {
+	BaseTheme
+}
+
+// NewGruvboxTheme creates a new instance of the Gruvbox theme.
+func NewGruvboxTheme() *GruvboxTheme {
+	theme := &GruvboxTheme{}
+
+	// Base colors
+	theme.PrimaryColor = lipgloss.AdaptiveColor{
+		Dark:  gruvboxDarkBlueBright,
+		Light: gruvboxLightBlueBright,
+	}
+	theme.SecondaryColor = lipgloss.AdaptiveColor{
+		Dark:  gruvboxDarkPurpleBright,
+		Light: gruvboxLightPurpleBright,
+	}
+	theme.AccentColor = lipgloss.AdaptiveColor{
+		Dark:  gruvboxDarkOrangeBright,
+		Light: gruvboxLightOrangeBright,
+	}
+
+	// Status colors
+	theme.ErrorColor = lipgloss.AdaptiveColor{
+		Dark:  gruvboxDarkRedBright,
+		Light: gruvboxLightRedBright,
+	}
+	theme.WarningColor = lipgloss.AdaptiveColor{
+		Dark:  gruvboxDarkYellowBright,
+		Light: gruvboxLightYellowBright,
+	}
+	theme.SuccessColor = lipgloss.AdaptiveColor{
+		Dark:  gruvboxDarkGreenBright,
+		Light: gruvboxLightGreenBright,
+	}
+	theme.InfoColor = lipgloss.AdaptiveColor{
+		Dark:  gruvboxDarkBlueBright,
+		Light: gruvboxLightBlueBright,
+	}
+
+	// Text colors
+	theme.TextColor = lipgloss.AdaptiveColor{
+		Dark:  gruvboxDarkFg1,
+		Light: gruvboxLightFg1,
+	}
+	theme.TextMutedColor = lipgloss.AdaptiveColor{
+		Dark:  gruvboxDarkFg4,
+		Light: gruvboxLightFg4,
+	}
+	theme.TextEmphasizedColor = lipgloss.AdaptiveColor{
+		Dark:  gruvboxDarkYellowBright,
+		Light: gruvboxLightYellowBright,
+	}
+
+	// Background colors
+	theme.BackgroundColor = lipgloss.AdaptiveColor{
+		Dark:  gruvboxDarkBg0,
+		Light: gruvboxLightBg0,
+	}
+	theme.BackgroundSecondaryColor = lipgloss.AdaptiveColor{
+		Dark:  gruvboxDarkBg1,
+		Light: gruvboxLightBg1,
+	}
+	theme.BackgroundDarkerColor = lipgloss.AdaptiveColor{
+		Dark:  gruvboxDarkBg0Soft,
+		Light: gruvboxLightBg0Soft,
+	}
+
+	// Border colors
+	theme.BorderNormalColor = lipgloss.AdaptiveColor{
+		Dark:  gruvboxDarkBg2,
+		Light: gruvboxLightBg2,
+	}
+	theme.BorderFocusedColor = lipgloss.AdaptiveColor{
+		Dark:  gruvboxDarkBlueBright,
+		Light: gruvboxLightBlueBright,
+	}
+	theme.BorderDimColor = lipgloss.AdaptiveColor{
+		Dark:  gruvboxDarkBg1,
+		Light: gruvboxLightBg1,
+	}
+
+	// Diff view colors
+	theme.DiffAddedColor = lipgloss.AdaptiveColor{
+		Dark:  gruvboxDarkGreenBright,
+		Light: gruvboxLightGreenBright,
+	}
+	theme.DiffRemovedColor = lipgloss.AdaptiveColor{
+		Dark:  gruvboxDarkRedBright,
+		Light: gruvboxLightRedBright,
+	}
+	theme.DiffContextColor = lipgloss.AdaptiveColor{
+		Dark:  gruvboxDarkFg4,
+		Light: gruvboxLightFg4,
+	}
+	theme.DiffHunkHeaderColor = lipgloss.AdaptiveColor{
+		Dark:  gruvboxDarkFg3,
+		Light: gruvboxLightFg3,
+	}
+	theme.DiffHighlightAddedColor = lipgloss.AdaptiveColor{
+		Dark:  gruvboxDarkGreenBright,
+		Light: gruvboxLightGreenBright,
+	}
+	theme.DiffHighlightRemovedColor = lipgloss.AdaptiveColor{
+		Dark:  gruvboxDarkRedBright,
+		Light: gruvboxLightRedBright,
+	}
+	theme.DiffAddedBgColor = lipgloss.AdaptiveColor{
+		Dark:  "#3C4C3C", // Darker green background
+		Light: "#E8F5E9", // Light green background
+	}
+	theme.DiffRemovedBgColor = lipgloss.AdaptiveColor{
+		Dark:  "#4C3C3C", // Darker red background
+		Light: "#FFEBEE", // Light red background
+	}
+	theme.DiffContextBgColor = lipgloss.AdaptiveColor{
+		Dark:  gruvboxDarkBg0,
+		Light: gruvboxLightBg0,
+	}
+	theme.DiffLineNumberColor = lipgloss.AdaptiveColor{
+		Dark:  gruvboxDarkFg4,
+		Light: gruvboxLightFg4,
+	}
+	theme.DiffAddedLineNumberBgColor = lipgloss.AdaptiveColor{
+		Dark:  "#32432F", // Slightly darker green
+		Light: "#C8E6C9", // Light green
+	}
+	theme.DiffRemovedLineNumberBgColor = lipgloss.AdaptiveColor{
+		Dark:  "#43322F", // Slightly darker red
+		Light: "#FFCDD2", // Light red
+	}
+
+	// Markdown colors
+	theme.MarkdownTextColor = lipgloss.AdaptiveColor{
+		Dark:  gruvboxDarkFg1,
+		Light: gruvboxLightFg1,
+	}
+	theme.MarkdownHeadingColor = lipgloss.AdaptiveColor{
+		Dark:  gruvboxDarkYellowBright,
+		Light: gruvboxLightYellowBright,
+	}
+	theme.MarkdownLinkColor = lipgloss.AdaptiveColor{
+		Dark:  gruvboxDarkBlueBright,
+		Light: gruvboxLightBlueBright,
+	}
+	theme.MarkdownLinkTextColor = lipgloss.AdaptiveColor{
+		Dark:  gruvboxDarkAquaBright,
+		Light: gruvboxLightAquaBright,
+	}
+	theme.MarkdownCodeColor = lipgloss.AdaptiveColor{
+		Dark:  gruvboxDarkGreenBright,
+		Light: gruvboxLightGreenBright,
+	}
+	theme.MarkdownBlockQuoteColor = lipgloss.AdaptiveColor{
+		Dark:  gruvboxDarkAquaBright,
+		Light: gruvboxLightAquaBright,
+	}
+	theme.MarkdownEmphColor = lipgloss.AdaptiveColor{
+		Dark:  gruvboxDarkYellowBright,
+		Light: gruvboxLightYellowBright,
+	}
+	theme.MarkdownStrongColor = lipgloss.AdaptiveColor{
+		Dark:  gruvboxDarkOrangeBright,
+		Light: gruvboxLightOrangeBright,
+	}
+	theme.MarkdownHorizontalRuleColor = lipgloss.AdaptiveColor{
+		Dark:  gruvboxDarkBg3,
+		Light: gruvboxLightBg3,
+	}
+	theme.MarkdownListItemColor = lipgloss.AdaptiveColor{
+		Dark:  gruvboxDarkBlueBright,
+		Light: gruvboxLightBlueBright,
+	}
+	theme.MarkdownListEnumerationColor = lipgloss.AdaptiveColor{
+		Dark:  gruvboxDarkBlueBright,
+		Light: gruvboxLightBlueBright,
+	}
+	theme.MarkdownImageColor = lipgloss.AdaptiveColor{
+		Dark:  gruvboxDarkPurpleBright,
+		Light: gruvboxLightPurpleBright,
+	}
+	theme.MarkdownImageTextColor = lipgloss.AdaptiveColor{
+		Dark:  gruvboxDarkAquaBright,
+		Light: gruvboxLightAquaBright,
+	}
+	theme.MarkdownCodeBlockColor = lipgloss.AdaptiveColor{
+		Dark:  gruvboxDarkFg1,
+		Light: gruvboxLightFg1,
+	}
+
+	// Syntax highlighting colors
+	theme.SyntaxCommentColor = lipgloss.AdaptiveColor{
+		Dark:  gruvboxDarkGray,
+		Light: gruvboxLightGray,
+	}
+	theme.SyntaxKeywordColor = lipgloss.AdaptiveColor{
+		Dark:  gruvboxDarkRedBright,
+		Light: gruvboxLightRedBright,
+	}
+	theme.SyntaxFunctionColor = lipgloss.AdaptiveColor{
+		Dark:  gruvboxDarkGreenBright,
+		Light: gruvboxLightGreenBright,
+	}
+	theme.SyntaxVariableColor = lipgloss.AdaptiveColor{
+		Dark:  gruvboxDarkBlueBright,
+		Light: gruvboxLightBlueBright,
+	}
+	theme.SyntaxStringColor = lipgloss.AdaptiveColor{
+		Dark:  gruvboxDarkYellowBright,
+		Light: gruvboxLightYellowBright,
+	}
+	theme.SyntaxNumberColor = lipgloss.AdaptiveColor{
+		Dark:  gruvboxDarkPurpleBright,
+		Light: gruvboxLightPurpleBright,
+	}
+	theme.SyntaxTypeColor = lipgloss.AdaptiveColor{
+		Dark:  gruvboxDarkYellow,
+		Light: gruvboxLightYellow,
+	}
+	theme.SyntaxOperatorColor = lipgloss.AdaptiveColor{
+		Dark:  gruvboxDarkAquaBright,
+		Light: gruvboxLightAquaBright,
+	}
+	theme.SyntaxPunctuationColor = lipgloss.AdaptiveColor{
+		Dark:  gruvboxDarkFg1,
+		Light: gruvboxLightFg1,
+	}
+
+	return theme
+}
+
+func init() {
+	// Register the Gruvbox theme with the theme manager
+	RegisterTheme("gruvbox", NewGruvboxTheme())
+}
diff --git a/pkg/tui/theme/manager.go b/pkg/tui/theme/manager.go
new file mode 100644
index 000000000..5a5c791fb
--- /dev/null
+++ b/pkg/tui/theme/manager.go
@@ -0,0 +1,265 @@
+package theme
+
+import (
+	"fmt"
+	"log/slog"
+	"slices"
+	"strings"
+	"sync"
+
+	"github.com/alecthomas/chroma/v2/styles"
+	"github.com/sst/opencode/internal/config"
+)
+
+// Manager handles theme registration, selection, and retrieval.
+// It maintains a registry of available themes and tracks the currently active theme.
+type Manager struct {
+	themes      map[string]Theme
+	currentName string
+	mu          sync.RWMutex
+}
+
+// Global instance of the theme manager
+var globalManager = &Manager{
+	themes:      make(map[string]Theme),
+	currentName: "",
+}
+
+// Default theme instance for custom theme defaulting
+var defaultThemeColors = NewOpenCodeTheme()
+
+// RegisterTheme adds a new theme to the registry.
+// If this is the first theme registered, it becomes the default.
+func RegisterTheme(name string, theme Theme) {
+	globalManager.mu.Lock()
+	defer globalManager.mu.Unlock()
+
+	globalManager.themes[name] = theme
+
+	// If this is the first theme, make it the default
+	if globalManager.currentName == "" {
+		globalManager.currentName = name
+	}
+}
+
+// SetTheme changes the active theme to the one with the specified name.
+// Returns an error if the theme doesn't exist.
+func SetTheme(name string) error {
+	globalManager.mu.Lock()
+	defer globalManager.mu.Unlock()
+
+	delete(styles.Registry, "charm")
+
+	// Handle custom theme
+	if name == "custom" {
+		cfg := config.Get()
+		if cfg == nil || cfg.TUI.CustomTheme == nil || len(cfg.TUI.CustomTheme) == 0 {
+			return fmt.Errorf("custom theme selected but no custom theme colors defined in config")
+		}
+
+		customTheme, err := LoadCustomTheme(cfg.TUI.CustomTheme)
+		if err != nil {
+			return fmt.Errorf("failed to load custom theme: %w", err)
+		}
+
+		// Register the custom theme
+		globalManager.themes["custom"] = customTheme
+	} else if _, exists := globalManager.themes[name]; !exists {
+		return fmt.Errorf("theme '%s' not found", name)
+	}
+
+	globalManager.currentName = name
+
+	// Update the config file using viper
+	if err := updateConfigTheme(name); err != nil {
+		// Log the error but don't fail the theme change
+		slog.Warn("Warning: Failed to update config file with new theme", "err", err)
+	}
+
+	return nil
+}
+
+// CurrentTheme returns the currently active theme.
+// If no theme is set, it returns nil.
+func CurrentTheme() Theme {
+	globalManager.mu.RLock()
+	defer globalManager.mu.RUnlock()
+
+	if globalManager.currentName == "" {
+		return nil
+	}
+
+	return globalManager.themes[globalManager.currentName]
+}
+
+// CurrentThemeName returns the name of the currently active theme.
+func CurrentThemeName() string {
+	globalManager.mu.RLock()
+	defer globalManager.mu.RUnlock()
+
+	return globalManager.currentName
+}
+
+// AvailableThemes returns a list of all registered theme names.
+func AvailableThemes() []string {
+	globalManager.mu.RLock()
+	defer globalManager.mu.RUnlock()
+
+	names := make([]string, 0, len(globalManager.themes))
+	for name := range globalManager.themes {
+		names = append(names, name)
+	}
+	slices.SortFunc(names, func(a, b string) int {
+		if a == "opencode" {
+			return -1
+		} else if b == "opencode" {
+			return 1
+		}
+		return strings.Compare(a, b)
+	})
+	return names
+}
+
+// GetTheme returns a specific theme by name.
+// Returns nil if the theme doesn't exist.
+func GetTheme(name string) Theme {
+	globalManager.mu.RLock()
+	defer globalManager.mu.RUnlock()
+
+	return globalManager.themes[name]
+}
+
+// LoadCustomTheme creates a new theme instance based on the custom theme colors
+// defined in the configuration. It uses the default OpenCode theme as a base
+// and overrides colors that are specified in the customTheme map.
+func LoadCustomTheme(customTheme map[string]any) (Theme, error) {
+	// Create a new theme based on the default OpenCode theme
+	theme := NewOpenCodeTheme()
+
+	// Process each color in the custom theme map
+	for key, value := range customTheme {
+		adaptiveColor, err := ParseAdaptiveColor(value)
+		if err != nil {
+			slog.Warn("Invalid color definition in custom theme", "key", key, "error", err)
+			continue // Skip this color but continue processing others
+		}
+
+		// Set the color in the theme based on the key
+		switch strings.ToLower(key) {
+		case "primary":
+			theme.PrimaryColor = adaptiveColor
+		case "secondary":
+			theme.SecondaryColor = adaptiveColor
+		case "accent":
+			theme.AccentColor = adaptiveColor
+		case "error":
+			theme.ErrorColor = adaptiveColor
+		case "warning":
+			theme.WarningColor = adaptiveColor
+		case "success":
+			theme.SuccessColor = adaptiveColor
+		case "info":
+			theme.InfoColor = adaptiveColor
+		case "text":
+			theme.TextColor = adaptiveColor
+		case "textmuted":
+			theme.TextMutedColor = adaptiveColor
+		case "textemphasized":
+			theme.TextEmphasizedColor = adaptiveColor
+		case "background":
+			theme.BackgroundColor = adaptiveColor
+		case "backgroundsecondary":
+			theme.BackgroundSecondaryColor = adaptiveColor
+		case "backgrounddarker":
+			theme.BackgroundDarkerColor = adaptiveColor
+		case "bordernormal":
+			theme.BorderNormalColor = adaptiveColor
+		case "borderfocused":
+			theme.BorderFocusedColor = adaptiveColor
+		case "borderdim":
+			theme.BorderDimColor = adaptiveColor
+		case "diffadded":
+			theme.DiffAddedColor = adaptiveColor
+		case "diffremoved":
+			theme.DiffRemovedColor = adaptiveColor
+		case "diffcontext":
+			theme.DiffContextColor = adaptiveColor
+		case "diffhunkheader":
+			theme.DiffHunkHeaderColor = adaptiveColor
+		case "diffhighlightadded":
+			theme.DiffHighlightAddedColor = adaptiveColor
+		case "diffhighlightremoved":
+			theme.DiffHighlightRemovedColor = adaptiveColor
+		case "diffaddedbg":
+			theme.DiffAddedBgColor = adaptiveColor
+		case "diffremovedbg":
+			theme.DiffRemovedBgColor = adaptiveColor
+		case "diffcontextbg":
+			theme.DiffContextBgColor = adaptiveColor
+		case "difflinenumber":
+			theme.DiffLineNumberColor = adaptiveColor
+		case "diffaddedlinenumberbg":
+			theme.DiffAddedLineNumberBgColor = adaptiveColor
+		case "diffremovedlinenumberbg":
+			theme.DiffRemovedLineNumberBgColor = adaptiveColor
+		case "syntaxcomment":
+			theme.SyntaxCommentColor = adaptiveColor
+		case "syntaxkeyword":
+			theme.SyntaxKeywordColor = adaptiveColor
+		case "syntaxfunction":
+			theme.SyntaxFunctionColor = adaptiveColor
+		case "syntaxvariable":
+			theme.SyntaxVariableColor = adaptiveColor
+		case "syntaxstring":
+			theme.SyntaxStringColor = adaptiveColor
+		case "syntaxnumber":
+			theme.SyntaxNumberColor = adaptiveColor
+		case "syntaxtype":
+			theme.SyntaxTypeColor = adaptiveColor
+		case "syntaxoperator":
+			theme.SyntaxOperatorColor = adaptiveColor
+		case "syntaxpunctuation":
+			theme.SyntaxPunctuationColor = adaptiveColor
+		case "markdowntext":
+			theme.MarkdownTextColor = adaptiveColor
+		case "markdownheading":
+			theme.MarkdownHeadingColor = adaptiveColor
+		case "markdownlink":
+			theme.MarkdownLinkColor = adaptiveColor
+		case "markdownlinktext":
+			theme.MarkdownLinkTextColor = adaptiveColor
+		case "markdowncode":
+			theme.MarkdownCodeColor = adaptiveColor
+		case "markdownblockquote":
+			theme.MarkdownBlockQuoteColor = adaptiveColor
+		case "markdownemph":
+			theme.MarkdownEmphColor = adaptiveColor
+		case "markdownstrong":
+			theme.MarkdownStrongColor = adaptiveColor
+		case "markdownhorizontalrule":
+			theme.MarkdownHorizontalRuleColor = adaptiveColor
+		case "markdownlistitem":
+			theme.MarkdownListItemColor = adaptiveColor
+		case "markdownlistitemenum":
+			theme.MarkdownListEnumerationColor = adaptiveColor
+		case "markdownimage":
+			theme.MarkdownImageColor = adaptiveColor
+		case "markdownimagetext":
+			theme.MarkdownImageTextColor = adaptiveColor
+		case "markdowncodeblock":
+			theme.MarkdownCodeBlockColor = adaptiveColor
+		case "markdownlistenumeration":
+			theme.MarkdownListEnumerationColor = adaptiveColor
+		default:
+			slog.Warn("Unknown color key in custom theme", "key", key)
+		}
+	}
+
+	return theme, nil
+}
+
+// updateConfigTheme updates the theme setting in the configuration file
+func updateConfigTheme(themeName string) error {
+	// Use the config package to update the theme
+	return config.UpdateTheme(themeName)
+}
diff --git a/pkg/tui/theme/monokai.go b/pkg/tui/theme/monokai.go
new file mode 100644
index 000000000..7511d3333
--- /dev/null
+++ b/pkg/tui/theme/monokai.go
@@ -0,0 +1,273 @@
+package theme
+
+import (
+	"github.com/charmbracelet/lipgloss"
+)
+
+// MonokaiProTheme implements the Theme interface with Monokai Pro colors.
+// It provides both dark and light variants.
+type MonokaiProTheme struct {
+	BaseTheme
+}
+
+// NewMonokaiProTheme creates a new instance of the Monokai Pro theme.
+func NewMonokaiProTheme() *MonokaiProTheme {
+	// Monokai Pro color palette (dark mode)
+	darkBackground := "#2d2a2e"
+	darkCurrentLine := "#403e41"
+	darkSelection := "#5b595c"
+	darkForeground := "#fcfcfa"
+	darkComment := "#727072"
+	darkRed := "#ff6188"
+	darkOrange := "#fc9867"
+	darkYellow := "#ffd866"
+	darkGreen := "#a9dc76"
+	darkCyan := "#78dce8"
+	darkBlue := "#ab9df2"
+	darkPurple := "#ab9df2"
+	darkBorder := "#403e41"
+
+	// Light mode colors (adapted from dark)
+	lightBackground := "#fafafa"
+	lightCurrentLine := "#f0f0f0"
+	lightSelection := "#e5e5e6"
+	lightForeground := "#2d2a2e"
+	lightComment := "#939293"
+	lightRed := "#f92672"
+	lightOrange := "#fd971f"
+	lightYellow := "#e6db74"
+	lightGreen := "#9bca65"
+	lightCyan := "#66d9ef"
+	lightBlue := "#7e75db"
+	lightPurple := "#ae81ff"
+	lightBorder := "#d3d3d3"
+
+	theme := &MonokaiProTheme{}
+
+	// Base colors
+	theme.PrimaryColor = lipgloss.AdaptiveColor{
+		Dark:  darkCyan,
+		Light: lightCyan,
+	}
+	theme.SecondaryColor = lipgloss.AdaptiveColor{
+		Dark:  darkPurple,
+		Light: lightPurple,
+	}
+	theme.AccentColor = lipgloss.AdaptiveColor{
+		Dark:  darkOrange,
+		Light: lightOrange,
+	}
+
+	// Status colors
+	theme.ErrorColor = lipgloss.AdaptiveColor{
+		Dark:  darkRed,
+		Light: lightRed,
+	}
+	theme.WarningColor = lipgloss.AdaptiveColor{
+		Dark:  darkOrange,
+		Light: lightOrange,
+	}
+	theme.SuccessColor = lipgloss.AdaptiveColor{
+		Dark:  darkGreen,
+		Light: lightGreen,
+	}
+	theme.InfoColor = lipgloss.AdaptiveColor{
+		Dark:  darkBlue,
+		Light: lightBlue,
+	}
+
+	// Text colors
+	theme.TextColor = lipgloss.AdaptiveColor{
+		Dark:  darkForeground,
+		Light: lightForeground,
+	}
+	theme.TextMutedColor = lipgloss.AdaptiveColor{
+		Dark:  darkComment,
+		Light: lightComment,
+	}
+	theme.TextEmphasizedColor = lipgloss.AdaptiveColor{
+		Dark:  darkYellow,
+		Light: lightYellow,
+	}
+
+	// Background colors
+	theme.BackgroundColor = lipgloss.AdaptiveColor{
+		Dark:  darkBackground,
+		Light: lightBackground,
+	}
+	theme.BackgroundSecondaryColor = lipgloss.AdaptiveColor{
+		Dark:  darkCurrentLine,
+		Light: lightCurrentLine,
+	}
+	theme.BackgroundDarkerColor = lipgloss.AdaptiveColor{
+		Dark:  "#221f22", // Slightly darker than background
+		Light: "#ffffff", // Slightly lighter than background
+	}
+
+	// Border colors
+	theme.BorderNormalColor = lipgloss.AdaptiveColor{
+		Dark:  darkBorder,
+		Light: lightBorder,
+	}
+	theme.BorderFocusedColor = lipgloss.AdaptiveColor{
+		Dark:  darkCyan,
+		Light: lightCyan,
+	}
+	theme.BorderDimColor = lipgloss.AdaptiveColor{
+		Dark:  darkSelection,
+		Light: lightSelection,
+	}
+
+	// Diff view colors
+	theme.DiffAddedColor = lipgloss.AdaptiveColor{
+		Dark:  "#a9dc76",
+		Light: "#9bca65",
+	}
+	theme.DiffRemovedColor = lipgloss.AdaptiveColor{
+		Dark:  "#ff6188",
+		Light: "#f92672",
+	}
+	theme.DiffContextColor = lipgloss.AdaptiveColor{
+		Dark:  "#a0a0a0",
+		Light: "#757575",
+	}
+	theme.DiffHunkHeaderColor = lipgloss.AdaptiveColor{
+		Dark:  "#a0a0a0",
+		Light: "#757575",
+	}
+	theme.DiffHighlightAddedColor = lipgloss.AdaptiveColor{
+		Dark:  "#c2e7a9",
+		Light: "#c5e0b4",
+	}
+	theme.DiffHighlightRemovedColor = lipgloss.AdaptiveColor{
+		Dark:  "#ff8ca6",
+		Light: "#ffb3c8",
+	}
+	theme.DiffAddedBgColor = lipgloss.AdaptiveColor{
+		Dark:  "#3a4a35",
+		Light: "#e8f5e9",
+	}
+	theme.DiffRemovedBgColor = lipgloss.AdaptiveColor{
+		Dark:  "#4a3439",
+		Light: "#ffebee",
+	}
+	theme.DiffContextBgColor = lipgloss.AdaptiveColor{
+		Dark:  darkBackground,
+		Light: lightBackground,
+	}
+	theme.DiffLineNumberColor = lipgloss.AdaptiveColor{
+		Dark:  "#888888",
+		Light: "#9e9e9e",
+	}
+	theme.DiffAddedLineNumberBgColor = lipgloss.AdaptiveColor{
+		Dark:  "#2d3a28",
+		Light: "#c8e6c9",
+	}
+	theme.DiffRemovedLineNumberBgColor = lipgloss.AdaptiveColor{
+		Dark:  "#3d2a2e",
+		Light: "#ffcdd2",
+	}
+
+	// Markdown colors
+	theme.MarkdownTextColor = lipgloss.AdaptiveColor{
+		Dark:  darkForeground,
+		Light: lightForeground,
+	}
+	theme.MarkdownHeadingColor = lipgloss.AdaptiveColor{
+		Dark:  darkPurple,
+		Light: lightPurple,
+	}
+	theme.MarkdownLinkColor = lipgloss.AdaptiveColor{
+		Dark:  darkCyan,
+		Light: lightCyan,
+	}
+	theme.MarkdownLinkTextColor = lipgloss.AdaptiveColor{
+		Dark:  darkBlue,
+		Light: lightBlue,
+	}
+	theme.MarkdownCodeColor = lipgloss.AdaptiveColor{
+		Dark:  darkGreen,
+		Light: lightGreen,
+	}
+	theme.MarkdownBlockQuoteColor = lipgloss.AdaptiveColor{
+		Dark:  darkYellow,
+		Light: lightYellow,
+	}
+	theme.MarkdownEmphColor = lipgloss.AdaptiveColor{
+		Dark:  darkYellow,
+		Light: lightYellow,
+	}
+	theme.MarkdownStrongColor = lipgloss.AdaptiveColor{
+		Dark:  darkOrange,
+		Light: lightOrange,
+	}
+	theme.MarkdownHorizontalRuleColor = lipgloss.AdaptiveColor{
+		Dark:  darkComment,
+		Light: lightComment,
+	}
+	theme.MarkdownListItemColor = lipgloss.AdaptiveColor{
+		Dark:  darkCyan,
+		Light: lightCyan,
+	}
+	theme.MarkdownListEnumerationColor = lipgloss.AdaptiveColor{
+		Dark:  darkBlue,
+		Light: lightBlue,
+	}
+	theme.MarkdownImageColor = lipgloss.AdaptiveColor{
+		Dark:  darkCyan,
+		Light: lightCyan,
+	}
+	theme.MarkdownImageTextColor = lipgloss.AdaptiveColor{
+		Dark:  darkBlue,
+		Light: lightBlue,
+	}
+	theme.MarkdownCodeBlockColor = lipgloss.AdaptiveColor{
+		Dark:  darkForeground,
+		Light: lightForeground,
+	}
+
+	// Syntax highlighting colors
+	theme.SyntaxCommentColor = lipgloss.AdaptiveColor{
+		Dark:  darkComment,
+		Light: lightComment,
+	}
+	theme.SyntaxKeywordColor = lipgloss.AdaptiveColor{
+		Dark:  darkRed,
+		Light: lightRed,
+	}
+	theme.SyntaxFunctionColor = lipgloss.AdaptiveColor{
+		Dark:  darkGreen,
+		Light: lightGreen,
+	}
+	theme.SyntaxVariableColor = lipgloss.AdaptiveColor{
+		Dark:  darkForeground,
+		Light: lightForeground,
+	}
+	theme.SyntaxStringColor = lipgloss.AdaptiveColor{
+		Dark:  darkYellow,
+		Light: lightYellow,
+	}
+	theme.SyntaxNumberColor = lipgloss.AdaptiveColor{
+		Dark:  darkPurple,
+		Light: lightPurple,
+	}
+	theme.SyntaxTypeColor = lipgloss.AdaptiveColor{
+		Dark:  darkBlue,
+		Light: lightBlue,
+	}
+	theme.SyntaxOperatorColor = lipgloss.AdaptiveColor{
+		Dark:  darkCyan,
+		Light: lightCyan,
+	}
+	theme.SyntaxPunctuationColor = lipgloss.AdaptiveColor{
+		Dark:  darkForeground,
+		Light: lightForeground,
+	}
+
+	return theme
+}
+
+func init() {
+	// Register the Monokai Pro theme with the theme manager
+	RegisterTheme("monokai", NewMonokaiProTheme())
+}
diff --git a/pkg/tui/theme/onedark.go b/pkg/tui/theme/onedark.go
new file mode 100644
index 000000000..a2c1447ca
--- /dev/null
+++ b/pkg/tui/theme/onedark.go
@@ -0,0 +1,274 @@
+package theme
+
+import (
+	"github.com/charmbracelet/lipgloss"
+)
+
+// OneDarkTheme implements the Theme interface with Atom's One Dark colors.
+// It provides both dark and light variants.
+type OneDarkTheme struct {
+	BaseTheme
+}
+
+// NewOneDarkTheme creates a new instance of the One Dark theme.
+func NewOneDarkTheme() *OneDarkTheme {
+	// One Dark color palette
+	// Dark mode colors from Atom One Dark
+	darkBackground := "#282c34"
+	darkCurrentLine := "#2c313c"
+	darkSelection := "#3e4451"
+	darkForeground := "#abb2bf"
+	darkComment := "#5c6370"
+	darkRed := "#e06c75"
+	darkOrange := "#d19a66"
+	darkYellow := "#e5c07b"
+	darkGreen := "#98c379"
+	darkCyan := "#56b6c2"
+	darkBlue := "#61afef"
+	darkPurple := "#c678dd"
+	darkBorder := "#3b4048"
+
+	// Light mode colors from Atom One Light
+	lightBackground := "#fafafa"
+	lightCurrentLine := "#f0f0f0"
+	lightSelection := "#e5e5e6"
+	lightForeground := "#383a42"
+	lightComment := "#a0a1a7"
+	lightRed := "#e45649"
+	lightOrange := "#da8548"
+	lightYellow := "#c18401"
+	lightGreen := "#50a14f"
+	lightCyan := "#0184bc"
+	lightBlue := "#4078f2"
+	lightPurple := "#a626a4"
+	lightBorder := "#d3d3d3"
+
+	theme := &OneDarkTheme{}
+
+	// Base colors
+	theme.PrimaryColor = lipgloss.AdaptiveColor{
+		Dark:  darkBlue,
+		Light: lightBlue,
+	}
+	theme.SecondaryColor = lipgloss.AdaptiveColor{
+		Dark:  darkPurple,
+		Light: lightPurple,
+	}
+	theme.AccentColor = lipgloss.AdaptiveColor{
+		Dark:  darkOrange,
+		Light: lightOrange,
+	}
+
+	// Status colors
+	theme.ErrorColor = lipgloss.AdaptiveColor{
+		Dark:  darkRed,
+		Light: lightRed,
+	}
+	theme.WarningColor = lipgloss.AdaptiveColor{
+		Dark:  darkOrange,
+		Light: lightOrange,
+	}
+	theme.SuccessColor = lipgloss.AdaptiveColor{
+		Dark:  darkGreen,
+		Light: lightGreen,
+	}
+	theme.InfoColor = lipgloss.AdaptiveColor{
+		Dark:  darkBlue,
+		Light: lightBlue,
+	}
+
+	// Text colors
+	theme.TextColor = lipgloss.AdaptiveColor{
+		Dark:  darkForeground,
+		Light: lightForeground,
+	}
+	theme.TextMutedColor = lipgloss.AdaptiveColor{
+		Dark:  darkComment,
+		Light: lightComment,
+	}
+	theme.TextEmphasizedColor = lipgloss.AdaptiveColor{
+		Dark:  darkYellow,
+		Light: lightYellow,
+	}
+
+	// Background colors
+	theme.BackgroundColor = lipgloss.AdaptiveColor{
+		Dark:  darkBackground,
+		Light: lightBackground,
+	}
+	theme.BackgroundSecondaryColor = lipgloss.AdaptiveColor{
+		Dark:  darkCurrentLine,
+		Light: lightCurrentLine,
+	}
+	theme.BackgroundDarkerColor = lipgloss.AdaptiveColor{
+		Dark:  "#21252b", // Slightly darker than background
+		Light: "#ffffff", // Slightly lighter than background
+	}
+
+	// Border colors
+	theme.BorderNormalColor = lipgloss.AdaptiveColor{
+		Dark:  darkBorder,
+		Light: lightBorder,
+	}
+	theme.BorderFocusedColor = lipgloss.AdaptiveColor{
+		Dark:  darkBlue,
+		Light: lightBlue,
+	}
+	theme.BorderDimColor = lipgloss.AdaptiveColor{
+		Dark:  darkSelection,
+		Light: lightSelection,
+	}
+
+	// Diff view colors
+	theme.DiffAddedColor = lipgloss.AdaptiveColor{
+		Dark:  "#478247",
+		Light: "#2E7D32",
+	}
+	theme.DiffRemovedColor = lipgloss.AdaptiveColor{
+		Dark:  "#7C4444",
+		Light: "#C62828",
+	}
+	theme.DiffContextColor = lipgloss.AdaptiveColor{
+		Dark:  "#a0a0a0",
+		Light: "#757575",
+	}
+	theme.DiffHunkHeaderColor = lipgloss.AdaptiveColor{
+		Dark:  "#a0a0a0",
+		Light: "#757575",
+	}
+	theme.DiffHighlightAddedColor = lipgloss.AdaptiveColor{
+		Dark:  "#DAFADA",
+		Light: "#A5D6A7",
+	}
+	theme.DiffHighlightRemovedColor = lipgloss.AdaptiveColor{
+		Dark:  "#FADADD",
+		Light: "#EF9A9A",
+	}
+	theme.DiffAddedBgColor = lipgloss.AdaptiveColor{
+		Dark:  "#303A30",
+		Light: "#E8F5E9",
+	}
+	theme.DiffRemovedBgColor = lipgloss.AdaptiveColor{
+		Dark:  "#3A3030",
+		Light: "#FFEBEE",
+	}
+	theme.DiffContextBgColor = lipgloss.AdaptiveColor{
+		Dark:  darkBackground,
+		Light: lightBackground,
+	}
+	theme.DiffLineNumberColor = lipgloss.AdaptiveColor{
+		Dark:  "#888888",
+		Light: "#9E9E9E",
+	}
+	theme.DiffAddedLineNumberBgColor = lipgloss.AdaptiveColor{
+		Dark:  "#293229",
+		Light: "#C8E6C9",
+	}
+	theme.DiffRemovedLineNumberBgColor = lipgloss.AdaptiveColor{
+		Dark:  "#332929",
+		Light: "#FFCDD2",
+	}
+
+	// Markdown colors
+	theme.MarkdownTextColor = lipgloss.AdaptiveColor{
+		Dark:  darkForeground,
+		Light: lightForeground,
+	}
+	theme.MarkdownHeadingColor = lipgloss.AdaptiveColor{
+		Dark:  darkPurple,
+		Light: lightPurple,
+	}
+	theme.MarkdownLinkColor = lipgloss.AdaptiveColor{
+		Dark:  darkBlue,
+		Light: lightBlue,
+	}
+	theme.MarkdownLinkTextColor = lipgloss.AdaptiveColor{
+		Dark:  darkCyan,
+		Light: lightCyan,
+	}
+	theme.MarkdownCodeColor = lipgloss.AdaptiveColor{
+		Dark:  darkGreen,
+		Light: lightGreen,
+	}
+	theme.MarkdownBlockQuoteColor = lipgloss.AdaptiveColor{
+		Dark:  darkYellow,
+		Light: lightYellow,
+	}
+	theme.MarkdownEmphColor = lipgloss.AdaptiveColor{
+		Dark:  darkYellow,
+		Light: lightYellow,
+	}
+	theme.MarkdownStrongColor = lipgloss.AdaptiveColor{
+		Dark:  darkOrange,
+		Light: lightOrange,
+	}
+	theme.MarkdownHorizontalRuleColor = lipgloss.AdaptiveColor{
+		Dark:  darkComment,
+		Light: lightComment,
+	}
+	theme.MarkdownListItemColor = lipgloss.AdaptiveColor{
+		Dark:  darkBlue,
+		Light: lightBlue,
+	}
+	theme.MarkdownListEnumerationColor = lipgloss.AdaptiveColor{
+		Dark:  darkCyan,
+		Light: lightCyan,
+	}
+	theme.MarkdownImageColor = lipgloss.AdaptiveColor{
+		Dark:  darkBlue,
+		Light: lightBlue,
+	}
+	theme.MarkdownImageTextColor = lipgloss.AdaptiveColor{
+		Dark:  darkCyan,
+		Light: lightCyan,
+	}
+	theme.MarkdownCodeBlockColor = lipgloss.AdaptiveColor{
+		Dark:  darkForeground,
+		Light: lightForeground,
+	}
+
+	// Syntax highlighting colors
+	theme.SyntaxCommentColor = lipgloss.AdaptiveColor{
+		Dark:  darkComment,
+		Light: lightComment,
+	}
+	theme.SyntaxKeywordColor = lipgloss.AdaptiveColor{
+		Dark:  darkPurple,
+		Light: lightPurple,
+	}
+	theme.SyntaxFunctionColor = lipgloss.AdaptiveColor{
+		Dark:  darkBlue,
+		Light: lightBlue,
+	}
+	theme.SyntaxVariableColor = lipgloss.AdaptiveColor{
+		Dark:  darkRed,
+		Light: lightRed,
+	}
+	theme.SyntaxStringColor = lipgloss.AdaptiveColor{
+		Dark:  darkGreen,
+		Light: lightGreen,
+	}
+	theme.SyntaxNumberColor = lipgloss.AdaptiveColor{
+		Dark:  darkOrange,
+		Light: lightOrange,
+	}
+	theme.SyntaxTypeColor = lipgloss.AdaptiveColor{
+		Dark:  darkYellow,
+		Light: lightYellow,
+	}
+	theme.SyntaxOperatorColor = lipgloss.AdaptiveColor{
+		Dark:  darkCyan,
+		Light: lightCyan,
+	}
+	theme.SyntaxPunctuationColor = lipgloss.AdaptiveColor{
+		Dark:  darkForeground,
+		Light: lightForeground,
+	}
+
+	return theme
+}
+
+func init() {
+	// Register the One Dark theme with the theme manager
+	RegisterTheme("onedark", NewOneDarkTheme())
+}
diff --git a/pkg/tui/theme/theme.go b/pkg/tui/theme/theme.go
new file mode 100644
index 000000000..c97b95478
--- /dev/null
+++ b/pkg/tui/theme/theme.go
@@ -0,0 +1,290 @@
+package theme
+
+import (
+	"fmt"
+	"regexp"
+
+	"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 }
+
+// ParseAdaptiveColor parses a color value from the config file into a lipgloss.AdaptiveColor.
+// It accepts either a string (hex color) or a map with "dark" and "light" keys.
+func ParseAdaptiveColor(value any) (lipgloss.AdaptiveColor, error) {
+	// Regular expression to validate hex color format
+	hexColorRegex := regexp.MustCompile(`^#[0-9a-fA-F]{6}$`)
+
+	// Case 1: String value (same color for both dark and light modes)
+	if hexColor, ok := value.(string); ok {
+		if !hexColorRegex.MatchString(hexColor) {
+			return lipgloss.AdaptiveColor{}, fmt.Errorf("invalid hex color format: %s", hexColor)
+		}
+		return lipgloss.AdaptiveColor{
+			Dark:  hexColor,
+			Light: hexColor,
+		}, nil
+	}
+
+	// Case 2: Int value between 0 and 255
+	if numericVal, ok := value.(float64); ok {
+		intVal := int(numericVal)
+		if intVal < 0 || intVal > 255 {
+			return lipgloss.AdaptiveColor{}, fmt.Errorf("invalid int color value (must be between 0 and 255): %d", intVal)
+		}
+		return lipgloss.AdaptiveColor{
+			Dark:  fmt.Sprintf("%d", intVal),
+			Light: fmt.Sprintf("%d", intVal),
+		}, nil
+	}
+
+	// Case 3: Map with dark and light keys
+	if colorMap, ok := value.(map[string]any); ok {
+		darkVal, darkOk := colorMap["dark"]
+		lightVal, lightOk := colorMap["light"]
+
+		if !darkOk || !lightOk {
+			return lipgloss.AdaptiveColor{}, fmt.Errorf("color map must contain both 'dark' and 'light' keys")
+		}
+
+		darkHex, darkIsString := darkVal.(string)
+		lightHex, lightIsString := lightVal.(string)
+
+		if !darkIsString || !lightIsString {
+			darkVal, darkIsNumber := darkVal.(float64)
+			lightVal, lightIsNumber := lightVal.(float64)
+
+			if !darkIsNumber || !lightIsNumber {
+				return lipgloss.AdaptiveColor{}, fmt.Errorf("color map values must be strings or ints")
+			}
+
+			darkInt := int(darkVal)
+			lightInt := int(lightVal)
+
+			return lipgloss.AdaptiveColor{
+				Dark:  fmt.Sprintf("%d", darkInt),
+				Light: fmt.Sprintf("%d", lightInt),
+			}, nil
+		}
+
+		if !hexColorRegex.MatchString(darkHex) || !hexColorRegex.MatchString(lightHex) {
+			return lipgloss.AdaptiveColor{}, fmt.Errorf("invalid hex color format")
+		}
+
+		return lipgloss.AdaptiveColor{
+			Dark:  darkHex,
+			Light: lightHex,
+		}, nil
+	}
+
+	return lipgloss.AdaptiveColor{}, fmt.Errorf("color must be either a hex string or an object with dark/light keys")
+}
diff --git a/pkg/tui/theme/theme_test.go b/pkg/tui/theme/theme_test.go
new file mode 100644
index 000000000..790ee3aa8
--- /dev/null
+++ b/pkg/tui/theme/theme_test.go
@@ -0,0 +1,89 @@
+package theme
+
+import (
+	"testing"
+)
+
+func TestThemeRegistration(t *testing.T) {
+	// Get list of available themes
+	availableThemes := AvailableThemes()
+
+	// Check if "catppuccin" theme is registered
+	catppuccinFound := false
+	for _, themeName := range availableThemes {
+		if themeName == "catppuccin" {
+			catppuccinFound = true
+			break
+		}
+	}
+
+	if !catppuccinFound {
+		t.Errorf("Catppuccin theme is not registered")
+	}
+
+	// Check if "gruvbox" theme is registered
+	gruvboxFound := false
+	for _, themeName := range availableThemes {
+		if themeName == "gruvbox" {
+			gruvboxFound = true
+			break
+		}
+	}
+
+	if !gruvboxFound {
+		t.Errorf("Gruvbox theme is not registered")
+	}
+
+	// Check if "monokai" theme is registered
+	monokaiFound := false
+	for _, themeName := range availableThemes {
+		if themeName == "monokai" {
+			monokaiFound = true
+			break
+		}
+	}
+
+	if !monokaiFound {
+		t.Errorf("Monokai theme is not registered")
+	}
+
+	// Try to get the themes and make sure they're not nil
+	catppuccin := GetTheme("catppuccin")
+	if catppuccin == nil {
+		t.Errorf("Catppuccin theme is nil")
+	}
+
+	gruvbox := GetTheme("gruvbox")
+	if gruvbox == nil {
+		t.Errorf("Gruvbox theme is nil")
+	}
+
+	monokai := GetTheme("monokai")
+	if monokai == nil {
+		t.Errorf("Monokai theme is nil")
+	}
+
+	// Test switching theme
+	originalTheme := CurrentThemeName()
+
+	err := SetTheme("gruvbox")
+	if err != nil {
+		t.Errorf("Failed to set theme to gruvbox: %v", err)
+	}
+
+	if CurrentThemeName() != "gruvbox" {
+		t.Errorf("Theme not properly switched to gruvbox")
+	}
+
+	err = SetTheme("monokai")
+	if err != nil {
+		t.Errorf("Failed to set theme to monokai: %v", err)
+	}
+
+	if CurrentThemeName() != "monokai" {
+		t.Errorf("Theme not properly switched to monokai")
+	}
+
+	// Switch back to original theme
+	_ = SetTheme(originalTheme)
+}
diff --git a/pkg/tui/theme/tokyonight.go b/pkg/tui/theme/tokyonight.go
new file mode 100644
index 000000000..a6499a25d
--- /dev/null
+++ b/pkg/tui/theme/tokyonight.go
@@ -0,0 +1,274 @@
+package theme
+
+import (
+	"github.com/charmbracelet/lipgloss"
+)
+
+// TokyoNightTheme implements the Theme interface with Tokyo Night colors.
+// It provides both dark and light variants.
+type TokyoNightTheme struct {
+	BaseTheme
+}
+
+// NewTokyoNightTheme creates a new instance of the Tokyo Night theme.
+func NewTokyoNightTheme() *TokyoNightTheme {
+	// Tokyo Night color palette
+	// Dark mode colors
+	darkBackground := "#222436"
+	darkCurrentLine := "#1e2030"
+	darkSelection := "#2f334d"
+	darkForeground := "#c8d3f5"
+	darkComment := "#636da6"
+	darkRed := "#ff757f"
+	darkOrange := "#ff966c"
+	darkYellow := "#ffc777"
+	darkGreen := "#c3e88d"
+	darkCyan := "#86e1fc"
+	darkBlue := "#82aaff"
+	darkPurple := "#c099ff"
+	darkBorder := "#3b4261"
+
+	// Light mode colors (Tokyo Night Day)
+	lightBackground := "#e1e2e7"
+	lightCurrentLine := "#d5d6db"
+	lightSelection := "#c8c9ce"
+	lightForeground := "#3760bf"
+	lightComment := "#848cb5"
+	lightRed := "#f52a65"
+	lightOrange := "#b15c00"
+	lightYellow := "#8c6c3e"
+	lightGreen := "#587539"
+	lightCyan := "#007197"
+	lightBlue := "#2e7de9"
+	lightPurple := "#9854f1"
+	lightBorder := "#a8aecb"
+
+	theme := &TokyoNightTheme{}
+
+	// Base colors
+	theme.PrimaryColor = lipgloss.AdaptiveColor{
+		Dark:  darkBlue,
+		Light: lightBlue,
+	}
+	theme.SecondaryColor = lipgloss.AdaptiveColor{
+		Dark:  darkPurple,
+		Light: lightPurple,
+	}
+	theme.AccentColor = lipgloss.AdaptiveColor{
+		Dark:  darkOrange,
+		Light: lightOrange,
+	}
+
+	// Status colors
+	theme.ErrorColor = lipgloss.AdaptiveColor{
+		Dark:  darkRed,
+		Light: lightRed,
+	}
+	theme.WarningColor = lipgloss.AdaptiveColor{
+		Dark:  darkOrange,
+		Light: lightOrange,
+	}
+	theme.SuccessColor = lipgloss.AdaptiveColor{
+		Dark:  darkGreen,
+		Light: lightGreen,
+	}
+	theme.InfoColor = lipgloss.AdaptiveColor{
+		Dark:  darkBlue,
+		Light: lightBlue,
+	}
+
+	// Text colors
+	theme.TextColor = lipgloss.AdaptiveColor{
+		Dark:  darkForeground,
+		Light: lightForeground,
+	}
+	theme.TextMutedColor = lipgloss.AdaptiveColor{
+		Dark:  darkComment,
+		Light: lightComment,
+	}
+	theme.TextEmphasizedColor = lipgloss.AdaptiveColor{
+		Dark:  darkYellow,
+		Light: lightYellow,
+	}
+
+	// Background colors
+	theme.BackgroundColor = lipgloss.AdaptiveColor{
+		Dark:  darkBackground,
+		Light: lightBackground,
+	}
+	theme.BackgroundSecondaryColor = lipgloss.AdaptiveColor{
+		Dark:  darkCurrentLine,
+		Light: lightCurrentLine,
+	}
+	theme.BackgroundDarkerColor = lipgloss.AdaptiveColor{
+		Dark:  "#191B29", // Darker background from palette
+		Light: "#f0f0f5", // Slightly lighter than background
+	}
+
+	// Border colors
+	theme.BorderNormalColor = lipgloss.AdaptiveColor{
+		Dark:  darkBorder,
+		Light: lightBorder,
+	}
+	theme.BorderFocusedColor = lipgloss.AdaptiveColor{
+		Dark:  darkBlue,
+		Light: lightBlue,
+	}
+	theme.BorderDimColor = lipgloss.AdaptiveColor{
+		Dark:  darkSelection,
+		Light: lightSelection,
+	}
+
+	// Diff view colors
+	theme.DiffAddedColor = lipgloss.AdaptiveColor{
+		Dark:  "#4fd6be", // teal from palette
+		Light: "#1e725c",
+	}
+	theme.DiffRemovedColor = lipgloss.AdaptiveColor{
+		Dark:  "#c53b53", // red1 from palette
+		Light: "#c53b53",
+	}
+	theme.DiffContextColor = lipgloss.AdaptiveColor{
+		Dark:  "#828bb8", // fg_dark from palette
+		Light: "#7086b5",
+	}
+	theme.DiffHunkHeaderColor = lipgloss.AdaptiveColor{
+		Dark:  "#828bb8", // fg_dark from palette
+		Light: "#7086b5",
+	}
+	theme.DiffHighlightAddedColor = lipgloss.AdaptiveColor{
+		Dark:  "#b8db87", // git.add from palette
+		Light: "#4db380",
+	}
+	theme.DiffHighlightRemovedColor = lipgloss.AdaptiveColor{
+		Dark:  "#e26a75", // git.delete from palette
+		Light: "#f52a65",
+	}
+	theme.DiffAddedBgColor = lipgloss.AdaptiveColor{
+		Dark:  "#20303b",
+		Light: "#d5e5d5",
+	}
+	theme.DiffRemovedBgColor = lipgloss.AdaptiveColor{
+		Dark:  "#37222c",
+		Light: "#f7d8db",
+	}
+	theme.DiffContextBgColor = lipgloss.AdaptiveColor{
+		Dark:  darkBackground,
+		Light: lightBackground,
+	}
+	theme.DiffLineNumberColor = lipgloss.AdaptiveColor{
+		Dark:  "#545c7e", // dark3 from palette
+		Light: "#848cb5",
+	}
+	theme.DiffAddedLineNumberBgColor = lipgloss.AdaptiveColor{
+		Dark:  "#1b2b34",
+		Light: "#c5d5c5",
+	}
+	theme.DiffRemovedLineNumberBgColor = lipgloss.AdaptiveColor{
+		Dark:  "#2d1f26",
+		Light: "#e7c8cb",
+	}
+
+	// Markdown colors
+	theme.MarkdownTextColor = lipgloss.AdaptiveColor{
+		Dark:  darkForeground,
+		Light: lightForeground,
+	}
+	theme.MarkdownHeadingColor = lipgloss.AdaptiveColor{
+		Dark:  darkPurple,
+		Light: lightPurple,
+	}
+	theme.MarkdownLinkColor = lipgloss.AdaptiveColor{
+		Dark:  darkBlue,
+		Light: lightBlue,
+	}
+	theme.MarkdownLinkTextColor = lipgloss.AdaptiveColor{
+		Dark:  darkCyan,
+		Light: lightCyan,
+	}
+	theme.MarkdownCodeColor = lipgloss.AdaptiveColor{
+		Dark:  darkGreen,
+		Light: lightGreen,
+	}
+	theme.MarkdownBlockQuoteColor = lipgloss.AdaptiveColor{
+		Dark:  darkYellow,
+		Light: lightYellow,
+	}
+	theme.MarkdownEmphColor = lipgloss.AdaptiveColor{
+		Dark:  darkYellow,
+		Light: lightYellow,
+	}
+	theme.MarkdownStrongColor = lipgloss.AdaptiveColor{
+		Dark:  darkOrange,
+		Light: lightOrange,
+	}
+	theme.MarkdownHorizontalRuleColor = lipgloss.AdaptiveColor{
+		Dark:  darkComment,
+		Light: lightComment,
+	}
+	theme.MarkdownListItemColor = lipgloss.AdaptiveColor{
+		Dark:  darkBlue,
+		Light: lightBlue,
+	}
+	theme.MarkdownListEnumerationColor = lipgloss.AdaptiveColor{
+		Dark:  darkCyan,
+		Light: lightCyan,
+	}
+	theme.MarkdownImageColor = lipgloss.AdaptiveColor{
+		Dark:  darkBlue,
+		Light: lightBlue,
+	}
+	theme.MarkdownImageTextColor = lipgloss.AdaptiveColor{
+		Dark:  darkCyan,
+		Light: lightCyan,
+	}
+	theme.MarkdownCodeBlockColor = lipgloss.AdaptiveColor{
+		Dark:  darkForeground,
+		Light: lightForeground,
+	}
+
+	// Syntax highlighting colors
+	theme.SyntaxCommentColor = lipgloss.AdaptiveColor{
+		Dark:  darkComment,
+		Light: lightComment,
+	}
+	theme.SyntaxKeywordColor = lipgloss.AdaptiveColor{
+		Dark:  darkPurple,
+		Light: lightPurple,
+	}
+	theme.SyntaxFunctionColor = lipgloss.AdaptiveColor{
+		Dark:  darkBlue,
+		Light: lightBlue,
+	}
+	theme.SyntaxVariableColor = lipgloss.AdaptiveColor{
+		Dark:  darkRed,
+		Light: lightRed,
+	}
+	theme.SyntaxStringColor = lipgloss.AdaptiveColor{
+		Dark:  darkGreen,
+		Light: lightGreen,
+	}
+	theme.SyntaxNumberColor = lipgloss.AdaptiveColor{
+		Dark:  darkOrange,
+		Light: lightOrange,
+	}
+	theme.SyntaxTypeColor = lipgloss.AdaptiveColor{
+		Dark:  darkYellow,
+		Light: lightYellow,
+	}
+	theme.SyntaxOperatorColor = lipgloss.AdaptiveColor{
+		Dark:  darkCyan,
+		Light: lightCyan,
+	}
+	theme.SyntaxPunctuationColor = lipgloss.AdaptiveColor{
+		Dark:  darkForeground,
+		Light: lightForeground,
+	}
+
+	return theme
+}
+
+func init() {
+	// Register the Tokyo Night theme with the theme manager
+	RegisterTheme("tokyonight", NewTokyoNightTheme())
+}
diff --git a/pkg/tui/theme/tron.go b/pkg/tui/theme/tron.go
new file mode 100644
index 000000000..c4997a6d1
--- /dev/null
+++ b/pkg/tui/theme/tron.go
@@ -0,0 +1,276 @@
+package theme
+
+import (
+	"github.com/charmbracelet/lipgloss"
+)
+
+// TronTheme implements the Theme interface with Tron-inspired colors.
+// It provides both dark and light variants, though Tron is primarily a dark theme.
+type TronTheme struct {
+	BaseTheme
+}
+
+// NewTronTheme creates a new instance of the Tron theme.
+func NewTronTheme() *TronTheme {
+	// Tron color palette
+	// Inspired by the Tron movie's neon aesthetic
+	darkBackground := "#0c141f"
+	darkCurrentLine := "#1a2633"
+	darkSelection := "#1a2633"
+	darkForeground := "#caf0ff"
+	darkComment := "#4d6b87"
+	darkCyan := "#00d9ff"
+	darkBlue := "#007fff"
+	darkOrange := "#ff9000"
+	darkPink := "#ff00a0"
+	darkPurple := "#b73fff"
+	darkRed := "#ff3333"
+	darkYellow := "#ffcc00"
+	darkGreen := "#00ff8f"
+	darkBorder := "#1a2633"
+
+	// Light mode approximation
+	lightBackground := "#f0f8ff"
+	lightCurrentLine := "#e0f0ff"
+	lightSelection := "#d0e8ff"
+	lightForeground := "#0c141f"
+	lightComment := "#4d6b87"
+	lightCyan := "#0097b3"
+	lightBlue := "#0066cc"
+	lightOrange := "#cc7300"
+	lightPink := "#cc0080"
+	lightPurple := "#9932cc"
+	lightRed := "#cc2929"
+	lightYellow := "#cc9900"
+	lightGreen := "#00cc72"
+	lightBorder := "#d0e8ff"
+
+	theme := &TronTheme{}
+
+	// Base colors
+	theme.PrimaryColor = lipgloss.AdaptiveColor{
+		Dark:  darkCyan,
+		Light: lightCyan,
+	}
+	theme.SecondaryColor = lipgloss.AdaptiveColor{
+		Dark:  darkBlue,
+		Light: lightBlue,
+	}
+	theme.AccentColor = lipgloss.AdaptiveColor{
+		Dark:  darkOrange,
+		Light: lightOrange,
+	}
+
+	// Status colors
+	theme.ErrorColor = lipgloss.AdaptiveColor{
+		Dark:  darkRed,
+		Light: lightRed,
+	}
+	theme.WarningColor = lipgloss.AdaptiveColor{
+		Dark:  darkOrange,
+		Light: lightOrange,
+	}
+	theme.SuccessColor = lipgloss.AdaptiveColor{
+		Dark:  darkGreen,
+		Light: lightGreen,
+	}
+	theme.InfoColor = lipgloss.AdaptiveColor{
+		Dark:  darkCyan,
+		Light: lightCyan,
+	}
+
+	// Text colors
+	theme.TextColor = lipgloss.AdaptiveColor{
+		Dark:  darkForeground,
+		Light: lightForeground,
+	}
+	theme.TextMutedColor = lipgloss.AdaptiveColor{
+		Dark:  darkComment,
+		Light: lightComment,
+	}
+	theme.TextEmphasizedColor = lipgloss.AdaptiveColor{
+		Dark:  darkYellow,
+		Light: lightYellow,
+	}
+
+	// Background colors
+	theme.BackgroundColor = lipgloss.AdaptiveColor{
+		Dark:  darkBackground,
+		Light: lightBackground,
+	}
+	theme.BackgroundSecondaryColor = lipgloss.AdaptiveColor{
+		Dark:  darkCurrentLine,
+		Light: lightCurrentLine,
+	}
+	theme.BackgroundDarkerColor = lipgloss.AdaptiveColor{
+		Dark:  "#070d14", // Slightly darker than background
+		Light: "#ffffff", // Slightly lighter than background
+	}
+
+	// Border colors
+	theme.BorderNormalColor = lipgloss.AdaptiveColor{
+		Dark:  darkBorder,
+		Light: lightBorder,
+	}
+	theme.BorderFocusedColor = lipgloss.AdaptiveColor{
+		Dark:  darkCyan,
+		Light: lightCyan,
+	}
+	theme.BorderDimColor = lipgloss.AdaptiveColor{
+		Dark:  darkSelection,
+		Light: lightSelection,
+	}
+
+	// Diff view colors
+	theme.DiffAddedColor = lipgloss.AdaptiveColor{
+		Dark:  darkGreen,
+		Light: lightGreen,
+	}
+	theme.DiffRemovedColor = lipgloss.AdaptiveColor{
+		Dark:  darkRed,
+		Light: lightRed,
+	}
+	theme.DiffContextColor = lipgloss.AdaptiveColor{
+		Dark:  darkComment,
+		Light: lightComment,
+	}
+	theme.DiffHunkHeaderColor = lipgloss.AdaptiveColor{
+		Dark:  darkBlue,
+		Light: lightBlue,
+	}
+	theme.DiffHighlightAddedColor = lipgloss.AdaptiveColor{
+		Dark:  "#00ff8f",
+		Light: "#a5d6a7",
+	}
+	theme.DiffHighlightRemovedColor = lipgloss.AdaptiveColor{
+		Dark:  "#ff3333",
+		Light: "#ef9a9a",
+	}
+	theme.DiffAddedBgColor = lipgloss.AdaptiveColor{
+		Dark:  "#0a2a1a",
+		Light: "#e8f5e9",
+	}
+	theme.DiffRemovedBgColor = lipgloss.AdaptiveColor{
+		Dark:  "#2a0a0a",
+		Light: "#ffebee",
+	}
+	theme.DiffContextBgColor = lipgloss.AdaptiveColor{
+		Dark:  darkBackground,
+		Light: lightBackground,
+	}
+	theme.DiffLineNumberColor = lipgloss.AdaptiveColor{
+		Dark:  darkComment,
+		Light: lightComment,
+	}
+	theme.DiffAddedLineNumberBgColor = lipgloss.AdaptiveColor{
+		Dark:  "#082015",
+		Light: "#c8e6c9",
+	}
+	theme.DiffRemovedLineNumberBgColor = lipgloss.AdaptiveColor{
+		Dark:  "#200808",
+		Light: "#ffcdd2",
+	}
+
+	// Markdown colors
+	theme.MarkdownTextColor = lipgloss.AdaptiveColor{
+		Dark:  darkForeground,
+		Light: lightForeground,
+	}
+	theme.MarkdownHeadingColor = lipgloss.AdaptiveColor{
+		Dark:  darkCyan,
+		Light: lightCyan,
+	}
+	theme.MarkdownLinkColor = lipgloss.AdaptiveColor{
+		Dark:  darkBlue,
+		Light: lightBlue,
+	}
+	theme.MarkdownLinkTextColor = lipgloss.AdaptiveColor{
+		Dark:  darkCyan,
+		Light: lightCyan,
+	}
+	theme.MarkdownCodeColor = lipgloss.AdaptiveColor{
+		Dark:  darkGreen,
+		Light: lightGreen,
+	}
+	theme.MarkdownBlockQuoteColor = lipgloss.AdaptiveColor{
+		Dark:  darkYellow,
+		Light: lightYellow,
+	}
+	theme.MarkdownEmphColor = lipgloss.AdaptiveColor{
+		Dark:  darkYellow,
+		Light: lightYellow,
+	}
+	theme.MarkdownStrongColor = lipgloss.AdaptiveColor{
+		Dark:  darkOrange,
+		Light: lightOrange,
+	}
+	theme.MarkdownHorizontalRuleColor = lipgloss.AdaptiveColor{
+		Dark:  darkComment,
+		Light: lightComment,
+	}
+	theme.MarkdownListItemColor = lipgloss.AdaptiveColor{
+		Dark:  darkBlue,
+		Light: lightBlue,
+	}
+	theme.MarkdownListEnumerationColor = lipgloss.AdaptiveColor{
+		Dark:  darkCyan,
+		Light: lightCyan,
+	}
+	theme.MarkdownImageColor = lipgloss.AdaptiveColor{
+		Dark:  darkBlue,
+		Light: lightBlue,
+	}
+	theme.MarkdownImageTextColor = lipgloss.AdaptiveColor{
+		Dark:  darkCyan,
+		Light: lightCyan,
+	}
+	theme.MarkdownCodeBlockColor = lipgloss.AdaptiveColor{
+		Dark:  darkForeground,
+		Light: lightForeground,
+	}
+
+	// Syntax highlighting colors
+	theme.SyntaxCommentColor = lipgloss.AdaptiveColor{
+		Dark:  darkComment,
+		Light: lightComment,
+	}
+	theme.SyntaxKeywordColor = lipgloss.AdaptiveColor{
+		Dark:  darkCyan,
+		Light: lightCyan,
+	}
+	theme.SyntaxFunctionColor = lipgloss.AdaptiveColor{
+		Dark:  darkGreen,
+		Light: lightGreen,
+	}
+	theme.SyntaxVariableColor = lipgloss.AdaptiveColor{
+		Dark:  darkOrange,
+		Light: lightOrange,
+	}
+	theme.SyntaxStringColor = lipgloss.AdaptiveColor{
+		Dark:  darkYellow,
+		Light: lightYellow,
+	}
+	theme.SyntaxNumberColor = lipgloss.AdaptiveColor{
+		Dark:  darkBlue,
+		Light: lightBlue,
+	}
+	theme.SyntaxTypeColor = lipgloss.AdaptiveColor{
+		Dark:  darkPurple,
+		Light: lightPurple,
+	}
+	theme.SyntaxOperatorColor = lipgloss.AdaptiveColor{
+		Dark:  darkPink,
+		Light: lightPink,
+	}
+	theme.SyntaxPunctuationColor = lipgloss.AdaptiveColor{
+		Dark:  darkForeground,
+		Light: lightForeground,
+	}
+
+	return theme
+}
+
+func init() {
+	// Register the Tron theme with the theme manager
+	RegisterTheme("tron", NewTronTheme())
+}