Update light themes (#726)

8 files changed, 369 insertions, 20 deletions

diff --git a/packages/cli/src/ui/components/ThemeDialog.tsx b/packages/cli/src/ui/components/ThemeDialog.tsx
index 58bfeffa..81a34ff4 100644
--- a/packages/cli/src/ui/components/ThemeDialog.tsx
+++ b/packages/cli/src/ui/components/ThemeDialog.tsx
@@ -103,7 +103,7 @@ export function ThemeDialog({
       width="100%"
     >
       {/* Left Column: Selection */}
-      <Box flexDirection="column" width="50%" paddingRight={2}>
+      <Box flexDirection="column" width="45%" paddingRight={2}>
         <Text bold={focusedSection === 'theme'}>
           {focusedSection === 'theme' ? '> ' : '  '}Select Theme{' '}
           <Text color={Colors.SubtleComment}>{otherScopeModifiedMessage}</Text>
@@ -133,13 +133,13 @@ export function ThemeDialog({
 
         <Box marginTop={1}>
           <Text color={Colors.SubtleComment}>
-            (Use ↑/↓ arrows and Enter to select, Tab to change focus)
+            (Use Enter to select, Tab to change focus)
           </Text>
         </Box>
       </Box>
 
       {/* Right Column: Preview */}
-      <Box flexDirection="column" width="50%" paddingLeft={3}>
+      <Box flexDirection="column" width="55%" paddingLeft={2}>
         <Text bold>Preview</Text>
         <Box
           borderStyle="single"
@@ -148,9 +148,11 @@ export function ThemeDialog({
           flexDirection="column"
         >
           {colorizeCode(
-            `# Source code
-print("Hello, World!")
-`,
+            `def fibonacci(n):
+    a, b = 0, 1
+    for _ in range(n):
+        a, b = b, a + b
+    return a`,
             'python',
           )}
           <Box marginTop={1} />
diff --git a/packages/cli/src/ui/themes/ayu-light.ts b/packages/cli/src/ui/themes/ayu-light.ts
new file mode 100644
index 00000000..b2a1c60d
--- /dev/null
+++ b/packages/cli/src/ui/themes/ayu-light.ts
@@ -0,0 +1,119 @@
+/**
+ * @license
+ * Copyright 2025 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+import { lightTheme, Theme } from './theme.js';
+
+export const AyuLight: Theme = new Theme(
+  'Ayu Light',
+  'light',
+  {
+    hljs: {
+      display: 'block',
+      overflowX: 'auto',
+      padding: '0.5em',
+      background: '#f8f9fa',
+      color: '#5c6166',
+    },
+    'hljs-comment': {
+      color: '#787b80',
+      fontStyle: 'italic',
+    },
+    'hljs-quote': {
+      color: '#4cbf99',
+      fontStyle: 'italic',
+    },
+    'hljs-string': {
+      color: '#86b300',
+    },
+    'hljs-constant': {
+      color: '#4cbf99',
+    },
+    'hljs-number': {
+      color: '#a37acc',
+    },
+    'hljs-keyword': {
+      color: '#fa8d3e',
+    },
+    'hljs-selector-tag': {
+      color: '#fa8d3e',
+    },
+    'hljs-attribute': {
+      color: '#f2ae49',
+    },
+    'hljs-variable': {
+      color: '#5c6166',
+    },
+    'hljs-variable.language': {
+      color: '#55b4d4',
+      fontStyle: 'italic',
+    },
+    'hljs-title': {
+      color: '#399ee6',
+    },
+    'hljs-section': {
+      color: '#86b300',
+      fontWeight: 'bold',
+    },
+    'hljs-type': {
+      color: '#55b4d4',
+    },
+    'hljs-class .hljs-title': {
+      color: '#399ee6',
+    },
+    'hljs-tag': {
+      color: '#55b4d4',
+    },
+    'hljs-name': {
+      color: '#399ee6',
+    },
+    'hljs-builtin-name': {
+      color: '#f2ae49',
+    },
+    'hljs-meta': {
+      color: '#e6ba7e',
+    },
+    'hljs-symbol': {
+      color: '#f07171',
+    },
+    'hljs-bullet': {
+      color: '#f2ae49',
+    },
+    'hljs-regexp': {
+      color: '#4cbf99',
+    },
+    'hljs-link': {
+      color: '#55b4d4',
+    },
+    'hljs-deletion': {
+      color: '#ff7383',
+    },
+    'hljs-addition': {
+      color: '#6cbf43',
+    },
+    'hljs-emphasis': {
+      fontStyle: 'italic',
+    },
+    'hljs-strong': {
+      fontWeight: 'bold',
+    },
+    'hljs-literal': {
+      color: '#4cbf99',
+    },
+    'hljs-built_in': {
+      color: '#f07171',
+    },
+    'hljs-doctag': {
+      color: '#d14',
+    },
+    'hljs-template-variable': {
+      color: '#008080',
+    },
+    'hljs-selector-id': {
+      color: '#900',
+    },
+  },
+  lightTheme,
+);
diff --git a/packages/cli/src/ui/themes/ayu.ts b/packages/cli/src/ui/themes/ayu.ts
new file mode 100644
index 00000000..a87a1ee3
--- /dev/null
+++ b/packages/cli/src/ui/themes/ayu.ts
@@ -0,0 +1,93 @@
+/**
+ * @license
+ * Copyright 2025 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+import { darkTheme, Theme } from './theme.js';
+
+export const AyuDark: Theme = new Theme(
+  'Ayu',
+  'dark',
+  {
+    hljs: {
+      display: 'block',
+      overflowX: 'auto',
+      padding: '0.5em',
+      background: '#0b0e14',
+      color: '#bfbdb6',
+    },
+    'hljs-keyword': {
+      color: '#FF8F40',
+    },
+    'hljs-literal': {
+      color: '#D2A6FF',
+    },
+    'hljs-symbol': {
+      color: '#95E6CB',
+    },
+    'hljs-name': {
+      color: '#59C2FF',
+    },
+    'hljs-link': {
+      color: '#39BAE6',
+    },
+    'hljs-function .hljs-keyword': {
+      color: '#FFB454',
+    },
+    'hljs-subst': {
+      color: '#BFBDB6',
+    },
+    'hljs-string': {
+      color: '#AAD94C',
+    },
+    'hljs-title': {
+      color: '#FFB454',
+    },
+    'hljs-type': {
+      color: '#39BAE6',
+    },
+    'hljs-attribute': {
+      color: '#FFB454',
+    },
+    'hljs-bullet': {
+      color: '#FFB454',
+    },
+    'hljs-addition': {
+      color: '#7FD962',
+    },
+    'hljs-variable': {
+      color: '#BFBDB6',
+    },
+    'hljs-template-tag': {
+      color: '#FF8F40',
+    },
+    'hljs-template-variable': {
+      color: '#FF8F40',
+    },
+    'hljs-comment': {
+      color: '#ACB6BF8C',
+      fontStyle: 'italic',
+    },
+    'hljs-quote': {
+      color: '#95E6CB',
+      fontStyle: 'italic',
+    },
+    'hljs-deletion': {
+      color: '#F26D78',
+    },
+    'hljs-meta': {
+      color: '#E6B673',
+    },
+    'hljs-doctag': {
+      fontWeight: 'bold',
+    },
+    'hljs-strong': {
+      fontWeight: 'bold',
+    },
+    'hljs-emphasis': {
+      fontStyle: 'italic',
+    },
+  },
+  darkTheme,
+);
diff --git a/packages/cli/src/ui/themes/github-dark.ts b/packages/cli/src/ui/themes/github-dark.ts
new file mode 100644
index 00000000..42f36db1
--- /dev/null
+++ b/packages/cli/src/ui/themes/github-dark.ts
@@ -0,0 +1,127 @@
+/**
+ * @license
+ * Copyright 2025 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+import { darkTheme, Theme } from './theme.js';
+
+export const GitHubDark: Theme = new Theme(
+  'GitHub',
+  'dark',
+  {
+    hljs: {
+      display: 'block',
+      overflowX: 'auto',
+      padding: '0.5em',
+      color: '#d1d5da',
+      background: '#24292e',
+    },
+    'hljs-comment': {
+      color: '#6A737D',
+      fontStyle: 'italic',
+    },
+    'hljs-quote': {
+      color: '#6A737D',
+      fontStyle: 'italic',
+    },
+    'hljs-keyword': {
+      color: '#F97583',
+      fontWeight: 'bold',
+    },
+    'hljs-selector-tag': {
+      color: '#F97583',
+      fontWeight: 'bold',
+    },
+    'hljs-subst': {
+      color: '#e1e4e8',
+    },
+    'hljs-number': {
+      color: '#79B8FF',
+    },
+    'hljs-literal': {
+      color: '#79B8FF',
+    },
+    'hljs-variable': {
+      color: '#FFAB70',
+    },
+    'hljs-template-variable': {
+      color: '#FFAB70',
+    },
+    'hljs-tag .hljs-attr': {
+      color: '#FFAB70',
+    },
+    'hljs-string': {
+      color: '#9ECBFF',
+    },
+    'hljs-doctag': {
+      color: '#9ECBFF',
+    },
+    'hljs-title': {
+      color: '#B392F0',
+      fontWeight: 'bold',
+    },
+    'hljs-section': {
+      color: '#B392F0',
+      fontWeight: 'bold',
+    },
+    'hljs-selector-id': {
+      color: '#B392F0',
+      fontWeight: 'bold',
+    },
+    'hljs-type': {
+      color: '#85E89D',
+      fontWeight: 'bold',
+    },
+    'hljs-class .hljs-title': {
+      color: '#85E89D',
+      fontWeight: 'bold',
+    },
+    'hljs-tag': {
+      color: '#85E89D',
+    },
+    'hljs-name': {
+      color: '#85E89D',
+    },
+    'hljs-attribute': {
+      color: '#79B8FF',
+    },
+    'hljs-regexp': {
+      color: '#DBEDFF',
+    },
+    'hljs-link': {
+      color: '#DBEDFF',
+    },
+    'hljs-symbol': {
+      color: '#990073',
+    },
+    'hljs-bullet': {
+      color: '#990073',
+    },
+    'hljs-built_in': {
+      color: '#79B8FF',
+    },
+    'hljs-builtin-name': {
+      color: '#79B8FF',
+    },
+    'hljs-meta': {
+      color: '#79B8FF',
+      fontWeight: 'bold',
+    },
+    'hljs-deletion': {
+      background: '#86181D',
+      color: '#FDAEB7',
+    },
+    'hljs-addition': {
+      background: '#144620',
+      color: '#85E89D',
+    },
+    'hljs-emphasis': {
+      fontStyle: 'italic',
+    },
+    'hljs-strong': {
+      fontWeight: 'bold',
+    },
+  },
+  darkTheme,
+);
diff --git a/packages/cli/src/ui/themes/github.ts b/packages/cli/src/ui/themes/github-light.ts
index 2a5533bb..f66f8558 100644
--- a/packages/cli/src/ui/themes/github.ts
+++ b/packages/cli/src/ui/themes/github-light.ts
@@ -6,15 +6,15 @@
 
 import { lightTheme, Theme } from './theme.js';
 
-export const GitHub: Theme = new Theme(
-  'GitHub',
+export const GitHubLight: Theme = new Theme(
+  'GitHub Light',
   'light',
   {
     hljs: {
       display: 'block',
       overflowX: 'auto',
       padding: '0.5em',
-      color: '#333',
+      color: '#24292E',
       background: '#f8f8f8',
     },
     'hljs-comment': {
diff --git a/packages/cli/src/ui/themes/theme-manager.ts b/packages/cli/src/ui/themes/theme-manager.ts
index 2b12a4c1..30f1a62c 100644
--- a/packages/cli/src/ui/themes/theme-manager.ts
+++ b/packages/cli/src/ui/themes/theme-manager.ts
@@ -4,9 +4,12 @@
  * SPDX-License-Identifier: Apache-2.0
  */
 
+import { AyuDark } from './ayu.js';
+import { AyuLight } from './ayu-light.js';
 import { AtomOneDark } from './atom-one-dark.js';
 import { Dracula } from './dracula.js';
-import { GitHub } from './github.js';
+import { GitHubDark } from './github-dark.js';
+import { GitHubLight } from './github-light.js';
 import { GoogleCode } from './googlecode.js';
 import { DefaultLight } from './default-light.js';
 import { DefaultDark } from './default.js';
@@ -28,11 +31,14 @@ class ThemeManager {
 
   constructor() {
     this.availableThemes = [
+      AyuDark,
+      AyuLight,
       AtomOneDark,
       Dracula,
-      DefaultLight, // Light mode.
+      DefaultLight,
       DefaultDark,
-      GitHub,
+      GitHubDark,
+      GitHubLight,
       GoogleCode,
       XCode,
       ANSI,
diff --git a/packages/cli/src/ui/themes/theme.ts b/packages/cli/src/ui/themes/theme.ts
index abe9b101..4b280ec4 100644
--- a/packages/cli/src/ui/themes/theme.ts
+++ b/packages/cli/src/ui/themes/theme.ts
@@ -28,13 +28,13 @@ export const lightTheme: ColorsTheme = {
   type: 'light',
   Background: '#FAFAFA',
   Foreground: '#3C3C43',
-  LightBlue: '#ADD8E6',
+  LightBlue: '#89BDCD',
   AccentBlue: '#3B82F6',
   AccentPurple: '#8B5CF6',
   AccentCyan: '#06B6D4',
-  AccentGreen: '#22C55E',
-  AccentYellow: '#EAB308',
-  AccentRed: '#EF4444',
+  AccentGreen: '#3CA84B',
+  AccentYellow: '#D5A40A',
+  AccentRed: '#DD4C4C',
   SubtleComment: '#9CA3AF',
   Gray: 'gray',
   GradientColors: ['#4796E4', '#847ACE', '#C3677F'],
diff --git a/packages/cli/src/ui/utils/CodeColorizer.tsx b/packages/cli/src/ui/utils/CodeColorizer.tsx
index 8f905498..b56c83f4 100644
--- a/packages/cli/src/ui/utils/CodeColorizer.tsx
+++ b/packages/cli/src/ui/utils/CodeColorizer.tsx
@@ -97,6 +97,7 @@ export function colorizeCode(
     // Render the HAST tree using the adapted theme
     // Apply the theme's default foreground color to the top-level Text element
     const lines = codeToHighlight.split('\n');
+    const padWidth = String(lines.length).length; // Calculate padding width based on number of lines
     const getHighlightedLines = (line: string) =>
       !language || !lowlight.registered(language)
         ? lowlight.highlightAuto(line)
@@ -107,7 +108,7 @@ export function colorizeCode(
         {lines.map((line, index) => (
           <Text key={index}>
             <Text color={activeTheme.colors.SubtleComment}>
-              {`${String(index + 1).padStart(3, ' ')} `}
+              {`${String(index + 1).padStart(padWidth, ' ')} `}
             </Text>
             <Text color={activeTheme.defaultColor}>
               {renderHastNode(
@@ -129,14 +130,15 @@ export function colorizeCode(
     // Fallback to plain text with default color on error
     // Also display line numbers in fallback
     const lines = codeToHighlight.split('\n');
+    const padWidth = String(lines.length).length; // Calculate padding width based on number of lines
     return (
       <Text>
         {lines.map((line, index) => (
           <Text key={index}>
-            <Text color={activeTheme.colors.SubtleComment}>
-              {`${String(index + 1).padStart(3, ' ')} `}
+            <Text color={activeTheme.defaultColor}>
+              {`${String(index + 1).padStart(padWidth, ' ')} `}
             </Text>
-            <Text color={activeTheme.defaultColor}>{line}</Text>
+            <Text color={activeTheme.colors.SubtleComment}>{line}</Text>
             {index < lines.length - 1 && '\n'}
           </Text>
         ))}