diff --git a/README.md b/README.md
index 569d6074..88f59e14 100644
--- a/README.md
+++ b/README.md
@@ -37,7 +37,7 @@ jobs:
         with:
           user: ${{ github.repository_owner }}
           token: ${{ secrets.GHSTATS_TOKEN }}   # classic PAT with read:user + repo
-          themes: dracula,github-dark,tokyonight
+          themes: dracula,github_dark,tokyonight
           tz: Asia/Saigon
           commit_changes: "true"
 ```
@@ -87,7 +87,7 @@ Then:
 
 ```sh
 export GITHUB_TOKEN=ghp_xxx
-ghstats -user tiennm99 -themes dracula,github-dark -tz Asia/Saigon -out output
+ghstats -user tiennm99 -themes dracula,github_dark -tz Asia/Saigon -out output
 ```
 
 | Flag                | Default         | Description                                       |
@@ -103,10 +103,11 @@ ghstats -user tiennm99 -themes dracula,github-dark -tz Asia/Saigon -out output
 
 ## Themes
 
-Run `ghstats -list-themes` for the full list. Built-ins include `default`,
-`dark`, `dracula`, `github`, `github-dark`, `tokyonight`, `onedark`, `nord`,
-`gruvbox`, `radical`, `synthwave`, `monokai`, `solarized-dark`,
-`solarized-light`, `transparent`, and more.
+Run `ghstats -list-themes` for the full list (60+ themes ported from
+github-profile-summary-cards). Built-ins include `default`, `dark`, `dracula`,
+`github`, `github_dark`, `tokyonight`, `onedark`, `nord_dark`, `nord_bright`,
+`gruvbox`, `radical`, `synthwave`, `monokai`, `solarized`, `solarized_dark`,
+`transparent`, and more.
 
 ## Output
 
@@ -129,9 +130,8 @@ access token with `read:user` and `repo`, save it as a repo secret (e.g.
 
 ## Credits & inspiration
 
-- [**github-profile-summary-cards**](https://github.com/vn7n24fzkq/github-profile-summary-cards) by [@vn7n24fzkq](https://github.com/vn7n24fzkq) — card layout, theme set, and output structure.
+- [**github-profile-summary-cards**](https://github.com/vn7n24fzkq/github-profile-summary-cards) by [@vn7n24fzkq](https://github.com/vn7n24fzkq) — card layout, chart styles, theme palette, and output structure.
 - [**profile-summary-for-github**](https://github.com/tipsy/profile-summary-for-github) by [@tipsy](https://github.com/tipsy) — the original profile-summary generator.
-- [**github-readme-stats**](https://github.com/anuraghazra/github-readme-stats) by [@anuraghazra](https://github.com/anuraghazra) — theme palette reference.
 
 ## License
 
diff --git a/internal/card/donut_chart.go b/internal/card/donut_chart.go
index 50b82bf0..7b222cd4 100644
--- a/internal/card/donut_chart.go
+++ b/internal/card/donut_chart.go
@@ -30,7 +30,7 @@ func renderDonutCard(title string, stats []github.LangStat, t theme.Theme) []byt
 	stats = collapseOther(stats, topN)
 
 	var b strings.Builder
-	b.WriteString(header(width, height, t.Background, t.Title, title))
+	b.WriteString(header(width, height, t.Background, t.Stroke, t.StrokeOpacity, t.Title, title))
 
 	if len(stats) == 0 {
 		fmt.Fprintf(&b, `
diff --git a/internal/card/productive.go b/internal/card/productive.go
index 519448e9..eb62f96b 100644
--- a/internal/card/productive.go
+++ b/internal/card/productive.go
@@ -29,7 +29,7 @@ func (productiveCard) SVG(p *github.Profile, t theme.Theme) ([]byte, error) {
 	barW := float64(chartW-barGap*23) / 24.0
 
 	var b strings.Builder
-	b.WriteString(header(width, height, t.Background, t.Title, "Commits by Hour (last year)"))
+	b.WriteString(header(width, height, t.Background, t.Stroke, t.StrokeOpacity, t.Title, "Commits by Hour (last year)"))
 
 	max := 0
 	for _, v := range p.Productive {
diff --git a/internal/card/profile.go b/internal/card/profile.go
index ac97f23e..64c70af3 100644
--- a/internal/card/profile.go
+++ b/internal/card/profile.go
@@ -20,7 +20,7 @@ func (profileCard) SVG(p *github.Profile, t theme.Theme) ([]byte, error) {
 	)
 
 	var b strings.Builder
-	b.WriteString(header(width, height, t.Background, t.Title, title(p)))
+	b.WriteString(header(width, height, t.Background, t.Stroke, t.StrokeOpacity, t.Title, title(p)))
 
 	// Key-value lines; skip empty fields to avoid blank rows.
 	y := 75
diff --git a/internal/card/stats.go b/internal/card/stats.go
index 5cf25647..b2ff6fde 100644
--- a/internal/card/stats.go
+++ b/internal/card/stats.go
@@ -28,7 +28,7 @@ func (statsCard) SVG(p *github.Profile, t theme.Theme) ([]byte, error) {
 	}
 
 	var b strings.Builder
-	b.WriteString(header(width, height, t.Background, t.Title, "Stats"))
+	b.WriteString(header(width, height, t.Background, t.Stroke, t.StrokeOpacity, t.Title, "Stats"))
 
 	// 2×3 grid: columns at 25 and 265, rows every 42px starting at y=80.
 	for i, it := range items {
diff --git a/internal/card/svg.go b/internal/card/svg.go
index 0bec1d98..21c4c5dc 100644
--- a/internal/card/svg.go
+++ b/internal/card/svg.go
@@ -53,12 +53,12 @@ func formatInt(n int) string {
 }
 
 // header returns the opening <svg> tag + background rect + title text.
-func header(width, height int, bg, titleColor, title string) string {
+func header(width, height int, bg, stroke string, strokeOpacity float64, titleColor, title string) string {
 	return fmt.Sprintf(`<svg xmlns="http://www.w3.org/2000/svg" width="%d" height="%d" viewBox="0 0 %d %d" font-family="'Segoe UI', Ubuntu, Sans-Serif">
-  <rect x="0.5" y="0.5" width="%d" height="%d" rx="8" fill="%s" stroke="rgba(255,255,255,0.1)"/>
+  <rect x="0.5" y="0.5" width="%d" height="%d" rx="8" fill="%s" stroke="%s" stroke-opacity="%.2f"/>
   <text x="25" y="35" font-size="18" font-weight="600" fill="%s">%s</text>`,
 		width, height, width, height,
-		width-1, height-1, bg,
+		width-1, height-1, bg, stroke, strokeOpacity,
 		titleColor, escapeXML(title))
 }
 
diff --git a/internal/theme/theme.go b/internal/theme/theme.go
index b5a3ee55..e64fac62 100644
--- a/internal/theme/theme.go
+++ b/internal/theme/theme.go
@@ -1,57 +1,99 @@
 // Package theme defines SVG color palettes used by card renderers.
+//
+// Palette data is ported from github-profile-summary-cards so visual output
+// stays consistent with that project.
 package theme
 
 import "sort"
 
 // Theme describes the colors applied to a rendered card.
 type Theme struct {
-	ID         string
-	Background string
-	Text       string
-	Title      string
-	Accent     string
-	Muted      string
+	ID            string
+	Title         string  // card title text color
+	Text          string  // body text color
+	Background    string  // card background fill
+	Stroke        string  // card outline stroke
+	StrokeOpacity float64 // 0–1; 0 hides the outline
+	Muted         string  // axis / legend / secondary text
+	Accent        string  // bar, donut slice fallback, tick highlight
 }
 
-// Built-in palettes. Port of a curated subset from github-readme-stats.
+// Built-in palettes ported verbatim from
+// github-profile-summary-cards/src/const/theme.ts.
 var themes = map[string]Theme{
-	"default":         {ID: "default", Background: "#fffefe", Text: "#434d58", Title: "#2f80ed", Accent: "#4c71f2", Muted: "#6a737d"},
-	"dark":            {ID: "dark", Background: "#151515", Text: "#9f9f9f", Title: "#fff", Accent: "#79ff97", Muted: "#666"},
-	"radical":         {ID: "radical", Background: "#141321", Text: "#a9fef7", Title: "#fe428e", Accent: "#f8d847", Muted: "#a9fef7"},
-	"merko":           {ID: "merko", Background: "#0b1p08", Text: "#68b684", Title: "#abd200", Accent: "#b7d364", Muted: "#68b684"},
-	"gruvbox":         {ID: "gruvbox", Background: "#282828", Text: "#fbf1c7", Title: "#fabd2f", Accent: "#8ec07c", Muted: "#a89984"},
-	"tokyonight":      {ID: "tokyonight", Background: "#1a1b27", Text: "#a9b1d6", Title: "#70a5fd", Accent: "#bf91f3", Muted: "#565f89"},
-	"onedark":         {ID: "onedark", Background: "#282c34", Text: "#aaa", Title: "#e4bf7a", Accent: "#8eb573", Muted: "#5c6370"},
-	"cobalt":          {ID: "cobalt", Background: "#193549", Text: "#dbe4ee", Title: "#e683d9", Accent: "#0088ff", Muted: "#6fc3df"},
-	"synthwave":       {ID: "synthwave", Background: "#2b213a", Text: "#e5289e", Title: "#e2e9ec", Accent: "#ef8539", Muted: "#e5289e"},
-	"highcontrast":    {ID: "highcontrast", Background: "#000000", Text: "#ffffff", Title: "#e7f216", Accent: "#00ffff", Muted: "#ffffff"},
-	"dracula":         {ID: "dracula", Background: "#282a36", Text: "#f8f8f2", Title: "#ff79c6", Accent: "#bd93f9", Muted: "#6272a4"},
-	"prussian":        {ID: "prussian", Background: "#172f45", Text: "#c8c9db", Title: "#bddfff", Accent: "#38b2ac", Muted: "#6c95b8"},
-	"monokai":         {ID: "monokai", Background: "#272822", Text: "#d6ebbf", Title: "#eb1f6a", Accent: "#e28905", Muted: "#75715e"},
-	"vue":             {ID: "vue", Background: "#fffefe", Text: "#476582", Title: "#41b883", Accent: "#35495e", Muted: "#476582"},
-	"vue-dark":        {ID: "vue-dark", Background: "#1d1f21", Text: "#bbb", Title: "#41b883", Accent: "#41b883", Muted: "#888"},
-	"shades-of-purple":{ID: "shades-of-purple", Background: "#2d2b55", Text: "#a599e9", Title: "#fad000", Accent: "#b362ff", Muted: "#a599e9"},
-	"nightowl":        {ID: "nightowl", Background: "#011627", Text: "#acb4c2", Title: "#7fdbca", Accent: "#82aaff", Muted: "#637777"},
-	"buefy":           {ID: "buefy", Background: "#ffffff", Text: "#363636", Title: "#7957d5", Accent: "#ff3860", Muted: "#7a7a7a"},
-	"blue-green":      {ID: "blue-green", Background: "#040f0f", Text: "#2dd4bf", Title: "#afebcd", Accent: "#26a69a", Muted: "#5e8b7e"},
-	"algolia":         {ID: "algolia", Background: "#050f2c", Text: "#ffffff", Title: "#00aeff", Accent: "#2dde98", Muted: "#8c8c8c"},
-	"great-gatsby":    {ID: "great-gatsby", Background: "#000000", Text: "#ffd700", Title: "#ffa726", Accent: "#ffb74d", Muted: "#9e9e9e"},
-	"darcula":         {ID: "darcula", Background: "#242424", Text: "#ba5f17", Title: "#ba5f17", Accent: "#2f81f7", Muted: "#8b949e"},
-	"bear":            {ID: "bear", Background: "#1f2023", Text: "#8f9396", Title: "#e03c8a", Accent: "#00aeff", Muted: "#8f9396"},
-	"solarized-dark":  {ID: "solarized-dark", Background: "#002b36", Text: "#859900", Title: "#268bd2", Accent: "#d33682", Muted: "#586e75"},
-	"solarized-light": {ID: "solarized-light", Background: "#fdf6e3", Text: "#657b83", Title: "#268bd2", Accent: "#d33682", Muted: "#93a1a1"},
-	"chartreuse-dark": {ID: "chartreuse-dark", Background: "#000000", Text: "#ffffff", Title: "#7fff00", Accent: "#7fff00", Muted: "#5fcf00"},
-	"nord":            {ID: "nord", Background: "#2e3440", Text: "#d8dee9", Title: "#88c0d0", Accent: "#81a1c1", Muted: "#4c566a"},
-	"github":          {ID: "github", Background: "#ffffff", Text: "#24292f", Title: "#0969da", Accent: "#2188ff", Muted: "#57606a"},
-	"github-dark":     {ID: "github-dark", Background: "#0d1117", Text: "#c9d1d9", Title: "#58a6ff", Accent: "#3fb950", Muted: "#8b949e"},
-	"transparent":     {ID: "transparent", Background: "#00000000", Text: "#434d58", Title: "#2f80ed", Accent: "#4c71f2", Muted: "#6a737d"},
+	"holi":                 {Title: "#5ea9eb", Text: "#d6e7ff", Background: "#030314", Stroke: "#d6e7ff", StrokeOpacity: 1, Muted: "#5090cb", Accent: "#5090cb"},
+	"2077":                 {Title: "#ff0055", Text: "#03d8f3", Background: "#141321", Stroke: "#141321", StrokeOpacity: 1, Muted: "#fcee0c", Accent: "#00ffc8"},
+	"algolia":              {Title: "#00aeff", Text: "#ffffff", Background: "#050f2c", Stroke: "#000000", StrokeOpacity: 0, Muted: "#2dde98", Accent: "#00aeff"},
+	"apprentice":           {Title: "#ffffff", Text: "#bcbcbc", Background: "#262626", Stroke: "#000000", StrokeOpacity: 0, Muted: "#ffffaf", Accent: "#ffffff"},
+	"aura_dark":            {Title: "#ff7372", Text: "#dbdbdb", Background: "#252334", Stroke: "#000000", StrokeOpacity: 0, Muted: "#6cffd0", Accent: "#ff7372"},
+	"aura":                 {Title: "#a277ff", Text: "#61ffca", Background: "#15141b", Stroke: "#000000", StrokeOpacity: 0, Muted: "#ffca85", Accent: "#a277ff"},
+	"ayu_mirage":           {Title: "#f4cd7c", Text: "#c7c8c2", Background: "#1f2430", Stroke: "#000000", StrokeOpacity: 0, Muted: "#73d0ff", Accent: "#f4cd7c"},
+	"bear":                 {Title: "#e03c8a", Text: "#bcb28d", Background: "#1f2023", Stroke: "#000000", StrokeOpacity: 0, Muted: "#00aeff", Accent: "#e03c8a"},
+	"blue_green":           {Title: "#2f97c1", Text: "#0cf574", Background: "#040f0f", Stroke: "#000000", StrokeOpacity: 0, Muted: "#f5b700", Accent: "#2f97c1"},
+	"blueberry":            {Title: "#82aaff", Text: "#27e8a7", Background: "#242938", Stroke: "#000000", StrokeOpacity: 0, Muted: "#89ddff", Accent: "#82aaff"},
+	"buefy":                {Title: "#7957d5", Text: "#363636", Background: "#ffffff", Stroke: "#000000", StrokeOpacity: 0, Muted: "#ff3860", Accent: "#7957d5"},
+	"calm":                 {Title: "#e07a5f", Text: "#ebcfb2", Background: "#373f51", Stroke: "#000000", StrokeOpacity: 0, Muted: "#edae49", Accent: "#e07a5f"},
+	"chartreuse_dark":      {Title: "#7fff00", Text: "#ffffff", Background: "#000000", Stroke: "#000000", StrokeOpacity: 1, Muted: "#00aeff", Accent: "#7fff00"},
+	"city_lights":          {Title: "#5d8cb3", Text: "#718ca1", Background: "#1d252c", Stroke: "#000000", StrokeOpacity: 0, Muted: "#4798ff", Accent: "#5d8cb3"},
+	"cobalt":               {Title: "#e683d9", Text: "#75eeb2", Background: "#193549", Stroke: "#000000", StrokeOpacity: 0, Muted: "#0480ef", Accent: "#e683d9"},
+	"cobalt2":              {Title: "#ffc600", Text: "#0088ff", Background: "#193549", Stroke: "#000000", StrokeOpacity: 0, Muted: "#ffffff", Accent: "#ffc600"},
+	"codeSTACKr":           {Title: "#ff652f", Text: "#ffffff", Background: "#09131b", Stroke: "#0c1a25", StrokeOpacity: 1, Muted: "#ffe400", Accent: "#ff652f"},
+	"darcula":              {Title: "#ba5f17", Text: "#bebebe", Background: "#242424", Stroke: "#000000", StrokeOpacity: 0, Muted: "#ffb74d", Accent: "#ba5f17"},
+	"dark":                 {Title: "#ffffff", Text: "#9f9f9f", Background: "#151515", Stroke: "#000000", StrokeOpacity: 0, Muted: "#79ff97", Accent: "#ffffff"},
+	"date_night":           {Title: "#da7885", Text: "#e1b2a2", Background: "#170f0c", Stroke: "#170f0c", StrokeOpacity: 1, Muted: "#bb8470", Accent: "#da7885"},
+	"default":              {Title: "#586e75", Text: "#586e75", Background: "#ffffff", Stroke: "#e4e2e2", StrokeOpacity: 1, Muted: "#586e75", Accent: "#586e75"},
+	"discord_old_blurple":  {Title: "#7289da", Text: "#ffffff", Background: "#2c2f33", Stroke: "#000000", StrokeOpacity: 0, Muted: "#7289da", Accent: "#7289da"},
+	"dracula":              {Title: "#ff79c6", Text: "#ffb86c", Background: "#282a36", Stroke: "#282a36", StrokeOpacity: 1, Muted: "#6272a4", Accent: "#bd93f9"},
+	"flag_india":           {Title: "#ff8f1c", Text: "#509e2f", Background: "#ffffff", Stroke: "#000000", StrokeOpacity: 0, Muted: "#250e62", Accent: "#ff8f1c"},
+	"github_dark":          {Title: "#0366d6", Text: "#77909c", Background: "#0d1117", Stroke: "#2e343b", StrokeOpacity: 1, Muted: "#8b949e", Accent: "#40c463"},
+	"github":               {Title: "#0366d6", Text: "#586069", Background: "#ffffff", Stroke: "#e4e2e2", StrokeOpacity: 1, Muted: "#586069", Accent: "#40c463"},
+	"gotham":               {Title: "#2aa889", Text: "#99d1ce", Background: "#0c1014", Stroke: "#000000", StrokeOpacity: 1, Muted: "#599cab", Accent: "#2aa889"},
+	"graywhite":            {Title: "#24292e", Text: "#24292e", Background: "#ffffff", Stroke: "#000000", StrokeOpacity: 0, Muted: "#24292e", Accent: "#24292e"},
+	"great_gatsby":         {Title: "#ffa726", Text: "#ffd95b", Background: "#000000", Stroke: "#000000", StrokeOpacity: 0, Muted: "#ffb74d", Accent: "#ffa726"},
+	"gruvbox":              {Title: "#fabd2f", Text: "#8ec07c", Background: "#282828", Stroke: "#282828", StrokeOpacity: 1, Muted: "#fe8019", Accent: "#fe8019"},
+	"highcontrast":         {Title: "#e7f216", Text: "#ffffff", Background: "#000000", Stroke: "#000000", StrokeOpacity: 0, Muted: "#00ffff", Accent: "#e7f216"},
+	"jolly":                {Title: "#ff64da", Text: "#ffffff", Background: "#291b3e", Stroke: "#000000", StrokeOpacity: 0, Muted: "#a960ff", Accent: "#ff64da"},
+	"kacho_ga":             {Title: "#bf4a3f", Text: "#d9c8a9", Background: "#402b23", Stroke: "#000000", StrokeOpacity: 0, Muted: "#a64833", Accent: "#bf4a3f"},
+	"maroongold":           {Title: "#f7ef8a", Text: "#e0aa3e", Background: "#260000", Stroke: "#000000", StrokeOpacity: 0, Muted: "#f7ef8a", Accent: "#f7ef8a"},
+	"material_palenight":   {Title: "#c792ea", Text: "#a6accd", Background: "#292d3e", Stroke: "#000000", StrokeOpacity: 0, Muted: "#89ddff", Accent: "#c792ea"},
+	"merko":                {Title: "#abd200", Text: "#68b587", Background: "#0a0f0b", Stroke: "#000000", StrokeOpacity: 0, Muted: "#b7d364", Accent: "#abd200"},
+	"midnight_purple":      {Title: "#9745f5", Text: "#ffffff", Background: "#000000", Stroke: "#000000", StrokeOpacity: 0, Muted: "#9f4bff", Accent: "#9745f5"},
+	"moltack":              {Title: "#86092c", Text: "#574038", Background: "#f5e1c0", Stroke: "#000000", StrokeOpacity: 0, Muted: "#86092c", Accent: "#86092c"},
+	"monokai":              {Title: "#eb1f6a", Text: "#ffffff", Background: "#2c292d", Stroke: "#2c292d", StrokeOpacity: 1, Muted: "#e28905", Accent: "#ae81ff"},
+	"moonlight":            {Title: "#ff757f", Text: "#f8f8f8", Background: "#222436", Stroke: "#222436", StrokeOpacity: 1, Muted: "#599dff", Accent: "#ff757f"},
+	"nightowl":             {Title: "#c792ea", Text: "#7fdbca", Background: "#011627", Stroke: "#000000", StrokeOpacity: 0, Muted: "#ffeb95", Accent: "#c792ea"},
+	"noctis_minimus":       {Title: "#d3b692", Text: "#c5cdd3", Background: "#1b2932", Stroke: "#000000", StrokeOpacity: 0, Muted: "#72b7c0", Accent: "#d3b692"},
+	"nord_bright":          {Title: "#3b4252", Text: "#2e3440", Background: "#eceff4", Stroke: "#e5e9f0", StrokeOpacity: 1, Muted: "#8fbcbb", Accent: "#88c0d0"},
+	"nord_dark":            {Title: "#eceff4", Text: "#e5e9f0", Background: "#2e3440", Stroke: "#eceff4", StrokeOpacity: 1, Muted: "#8fbcbb", Accent: "#88c0d0"},
+	"ocean_dark":           {Title: "#8957b2", Text: "#92d534", Background: "#151a28", Stroke: "#000000", StrokeOpacity: 0, Muted: "#ffffff", Accent: "#8957b2"},
+	"omni":                 {Title: "#ff79c6", Text: "#e1e1e6", Background: "#191622", Stroke: "#000000", StrokeOpacity: 0, Muted: "#e7de79", Accent: "#ff79c6"},
+	"onedark":              {Title: "#e4bf7a", Text: "#df6d74", Background: "#282c34", Stroke: "#000000", StrokeOpacity: 0, Muted: "#8eb573", Accent: "#e4bf7a"},
+	"outrun":               {Title: "#ffcc00", Text: "#8080ff", Background: "#141439", Stroke: "#000000", StrokeOpacity: 0, Muted: "#ff1aff", Accent: "#ffcc00"},
+	"panda":                {Title: "#19f9d899", Text: "#ff75b5", Background: "#31353a", Stroke: "#000000", StrokeOpacity: 0, Muted: "#19f9d899", Accent: "#19f9d899"},
+	"prussian":             {Title: "#bddfff", Text: "#6e93b5", Background: "#172f45", Stroke: "#000000", StrokeOpacity: 0, Muted: "#38a0ff", Accent: "#bddfff"},
+	"radical":              {Title: "#fe428e", Text: "#a9fef7", Background: "#141321", Stroke: "#141321", StrokeOpacity: 1, Muted: "#f8d847", Accent: "#ae81ff"},
+	"react":                {Title: "#61dafb", Text: "#ffffff", Background: "#20232a", Stroke: "#000000", StrokeOpacity: 0, Muted: "#61dafb", Accent: "#61dafb"},
+	"rose_pine":            {Title: "#9ccfd8", Text: "#e0def4", Background: "#191724", Stroke: "#000000", StrokeOpacity: 0, Muted: "#ebbcba", Accent: "#9ccfd8"},
+	"shades_of_purple":     {Title: "#fad000", Text: "#a599e9", Background: "#2d2b55", Stroke: "#000000", StrokeOpacity: 0, Muted: "#b362ff", Accent: "#fad000"},
+	"slateorange":          {Title: "#faa627", Text: "#ffffff", Background: "#36393f", Stroke: "#000000", StrokeOpacity: 0, Muted: "#faa627", Accent: "#faa627"},
+	"solarized_dark":       {Title: "#268bd2", Text: "#839496", Background: "#073642", Stroke: "#073642", StrokeOpacity: 1, Muted: "#b58900", Accent: "#859900"},
+	"solarized":            {Title: "#268bd2", Text: "#586e75", Background: "#fdf6e3", Stroke: "#fdf6e3", StrokeOpacity: 1, Muted: "#b58900", Accent: "#859900"},
+	"swift":                {Title: "#000000", Text: "#000000", Background: "#f7f7f7", Stroke: "#000000", StrokeOpacity: 0, Muted: "#f05237", Accent: "#000000"},
+	"synthwave":            {Title: "#e2e9ec", Text: "#e5289e", Background: "#2b213a", Stroke: "#000000", StrokeOpacity: 0, Muted: "#ef8539", Accent: "#e2e9ec"},
+	"tokyonight":           {Title: "#70a5fd", Text: "#38bdae", Background: "#1a1b27", Stroke: "#1a1b27", StrokeOpacity: 1, Muted: "#bf91f3", Accent: "#bf91f3"},
+	"transparent":          {Title: "#006AFF", Text: "#417E87", Background: "#00000000", Stroke: "#000000", StrokeOpacity: 0, Muted: "#0579C3", Accent: "#006AFF"},
+	"vision_friendly_dark": {Title: "#ffb000", Text: "#ffffff", Background: "#000000", Stroke: "#000000", StrokeOpacity: 0, Muted: "#785ef0", Accent: "#ffb000"},
+	"vue":                  {Title: "#41b883", Text: "#000000", Background: "#ffffff", Stroke: "#e4e2e2", StrokeOpacity: 1, Muted: "#41b883", Accent: "#41b883"},
+	"yeblu":                {Title: "#ffff00", Text: "#ffffff", Background: "#002046", Stroke: "#000000", StrokeOpacity: 0, Muted: "#ffff00", Accent: "#ffff00"},
+	"zenburn":              {Title: "#f0dfaf", Text: "#dcdccc", Background: "#3f3f3f", Stroke: "#3f3f3f", StrokeOpacity: 1, Muted: "#8cd0d3", Accent: "#7f9f7f"},
 }
 
-// merko had a typo fixed at init.
 func init() {
-	m := themes["merko"]
-	m.Background = "#0b1708"
-	themes["merko"] = m
+	// Populate ID fields from the map key so callers can read theme.ID.
+	for id, t := range themes {
+		t.ID = id
+		themes[id] = t
+	}
 }
 
 // Lookup returns the theme with the given id.