diff --git a/.changeset/colorize-footer-diff-stats.md b/.changeset/colorize-footer-diff-stats.md
new file mode 100644
index 000000000..02d1737ed
--- /dev/null
+++ b/.changeset/colorize-footer-diff-stats.md
@@ -0,0 +1,5 @@
+---
+"@moonshot-ai/kimi-code": patch
+---
+
+Colorize diff line-change stats in the footer git badge: additions in green, deletions in red, dirty marker in amber
diff --git a/apps/kimi-code/src/tui/components/chrome/footer.ts b/apps/kimi-code/src/tui/components/chrome/footer.ts
index 350da47ce..58b86ed06 100644
--- a/apps/kimi-code/src/tui/components/chrome/footer.ts
+++ b/apps/kimi-code/src/tui/components/chrome/footer.ts
@@ -206,7 +206,7 @@ function formatContextStatus(usage: number, tokens?: number, maxTokens?: number)
 }
 
 export function formatFooterGitBadge(status: GitStatus, colors: ColorPalette): string {
-  const base = chalk.hex(colors.status)(formatGitBadgeBase(status));
+  const base = formatColorizedGitBadge(status, colors);
   if (status.pullRequest === null) return base;
 
   const pullRequest = chalk.hex(colors.primary)(
@@ -215,6 +215,19 @@ export function formatFooterGitBadge(status: GitStatus, colors: ColorPalette): s
   return `${base} ${pullRequest}`;
 }
 
+function formatColorizedGitBadge(status: GitStatus, colors: ColorPalette): string {
+  const parts: string[] = [];
+  if (status.diffAdded > 0) parts.push(chalk.hex(colors.success)(`+${String(status.diffAdded)}`));
+  if (status.diffDeleted > 0) parts.push(chalk.hex(colors.error)(`-${String(status.diffDeleted)}`));
+  if (parts.length === 0 && status.dirty) parts.push(chalk.hex(colors.warning)('±'));
+  let sync = '';
+  if (status.ahead > 0) sync += `↑${status.ahead}`;
+  if (status.behind > 0) sync += `↓${status.behind}`;
+  if (sync) parts.push(chalk.hex(colors.status)(sync));
+  const branch = chalk.hex(colors.status)(status.branch);
+  return parts.length === 0 ? branch : `${branch} ${chalk.hex(colors.status)('[')}${parts.join(' ')}${chalk.hex(colors.status)(']')}`;
+}
+
 export class FooterComponent implements Component {
   private state: AppState;
   private colors: ColorPalette;
diff --git a/apps/kimi-code/test/tui/components/panels/footer-context.test.ts b/apps/kimi-code/test/tui/components/panels/footer-context.test.ts
index db34ee895..6f1ef4f3a 100644
--- a/apps/kimi-code/test/tui/components/panels/footer-context.test.ts
+++ b/apps/kimi-code/test/tui/components/panels/footer-context.test.ts
@@ -145,6 +145,58 @@ describe('FooterComponent — context NaN resilience', () => {
       chalk.level = previousLevel;
     }
   });
+
+  it('colorizes diff additions in success color and deletions in error color', () => {
+    const previousLevel = chalk.level;
+    chalk.level = 3;
+    try {
+      const out = formatFooterGitBadge(
+        {
+          branch: 'main',
+          dirty: true,
+          ahead: 0,
+          behind: 0,
+          diffAdded: 42,
+          diffDeleted: 7,
+          pullRequest: null,
+        },
+        darkColors,
+      );
+
+      const plain = strip(out);
+      expect(plain).toContain('+42');
+      expect(plain).toContain('-7');
+      expect(out).toContain(hexToSgr(darkColors.success));
+      expect(out).toContain(hexToSgr(darkColors.error));
+    } finally {
+      chalk.level = previousLevel;
+    }
+  });
+
+  it('renders dirty marker in warning color when no line stats are available', () => {
+    const previousLevel = chalk.level;
+    chalk.level = 3;
+    try {
+      const out = formatFooterGitBadge(
+        {
+          branch: 'main',
+          dirty: true,
+          ahead: 0,
+          behind: 0,
+          diffAdded: 0,
+          diffDeleted: 0,
+          pullRequest: null,
+        },
+        darkColors,
+      );
+
+      const plain = strip(out);
+      expect(plain).toContain('±');
+      expect(out).toContain(hexToSgr(darkColors.warning));
+    } finally {
+      chalk.level = previousLevel;
+    }
+  });
 });
 
 describe('buildWeightedTips — weighted rotation', () => {