diff --git a/apps/desktop-client/build/icon.ico b/apps/desktop-client/build/icon.ico
index 3628c79..1f1bec9 100644
Binary files a/apps/desktop-client/build/icon.ico and b/apps/desktop-client/build/icon.ico differ
diff --git a/apps/desktop-client/build/icon.png b/apps/desktop-client/build/icon.png
index 9315a39..dbb1868 100644
Binary files a/apps/desktop-client/build/icon.png and b/apps/desktop-client/build/icon.png differ
diff --git a/apps/desktop-client/scripts/generate-brand-icons.cjs b/apps/desktop-client/scripts/generate-brand-icons.cjs
index 792f9c8..9d1bd79 100644
--- a/apps/desktop-client/scripts/generate-brand-icons.cjs
+++ b/apps/desktop-client/scripts/generate-brand-icons.cjs
@@ -32,6 +32,12 @@ const OUT_TS = path.join(APP_DIR, 'src', 'main', 'brand-icons.ts')
 // Brand palette — keep in sync with the renderer (#1677ff is Ant Design blue).
 const BRAND_BLUE = '#1677ff'
 const DANGER_RED = '#ff4d4f'
+const MAC_APP_ICON_PLATE = 824
+const MAC_APP_ICON_LOGO_RATIO = 0.62
+const APP_PNG_PLATE = 896
+const APP_PNG_LOGO_RATIO = 0.72
+const WINDOWS_ICO_PLATE = 1024
+const WINDOWS_ICO_LOGO_RATIO = 1
 
 const tmpDir = fs.mkdtempSync(path.join(os.tmpdir(), 'brand-icons-'))
 const cleanup = () => fs.rmSync(tmpDir, { recursive: true, force: true })
@@ -212,19 +218,36 @@ function forceLogoColor(source, fill) {
 }
 
 /** A square app icon: logo centered on a rounded-rect (squircle-ish) bg. */
-function squareIconSvg(bg, logoSource = logo, boundsSource = logoBounds) {
+function squareIconSvg(bg, logoSource = logo, boundsSource = logoBounds, options = {}) {
   const CANVAS = 1024
-  // macOS icon grid: 824x824 art area inside a 1024 canvas (100px margin).
-  const PLATE = 824
+  const PLATE = options.plate ?? MAC_APP_ICON_PLATE
+  const LOGO_RATIO = options.logoRatio ?? MAC_APP_ICON_LOGO_RATIO
+  const radius = options.radius ?? Math.round(PLATE * 0.225)
   const MARGIN = (CANVAS - PLATE) / 2
-  const target = PLATE * 0.62
+  const target = PLATE * LOGO_RATIO
   const { scale, tx, ty } = fitLogo(boundsSource, target, target, MARGIN + PLATE / 2, MARGIN + PLATE / 2)
   return `<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" width="${CANVAS}" height="${CANVAS}" viewBox="0 0 ${CANVAS} ${CANVAS}">
-  <rect x="${MARGIN}" y="${MARGIN}" width="${PLATE}" height="${PLATE}" rx="185" ry="185" fill="${bg}"/>
+  <rect x="${MARGIN}" y="${MARGIN}" width="${PLATE}" height="${PLATE}" rx="${radius}" ry="${radius}" fill="${bg}"/>
   <g transform="translate(${tx.toFixed(2)},${ty.toFixed(2)}) scale(${scale.toFixed(6)})">${logoSource.inner}</g>
 </svg>`
 }
 
+function windowsIcoIconSvg(bg, logoSource = windowsTrayLogo, boundsSource = windowsTrayLogoBounds) {
+  // Windows .ico taskbar layers are tiny in practice; this denser composition
+  // keeps the foreground mark legible at 24-32px without changing icon.png.
+  return squareIconSvg(bg, logoSource, boundsSource, {
+    plate: WINDOWS_ICO_PLATE,
+    logoRatio: WINDOWS_ICO_LOGO_RATIO,
+  })
+}
+
+function appPngIconSvg(bg, logoSource = windowsTrayLogo, boundsSource = windowsTrayLogoBounds) {
+  return squareIconSvg(bg, logoSource, boundsSource, {
+    plate: APP_PNG_PLATE,
+    logoRatio: APP_PNG_LOGO_RATIO,
+  })
+}
+
 /**
  * Tray glyph: the logo centered (with padding) inside a 32px square canvas.
  * tray.ts loads it with scaleFactor 2, so it shows at ~16pt on retina menu
@@ -284,12 +307,19 @@ function pngsToIco(pngBuffers) {
 }
 
 function buildAppIcons() {
-  // 1024 master for the normal app icon.
-  const masterPng = svgToPng(squareIconSvg('#ffffff', windowsTrayLogo, windowsTrayLogoBounds), 'app-normal', ['-w', '1024', '-h', '1024'])
   fs.mkdirSync(BUILD_DIR, { recursive: true })
-  fs.copyFileSync(masterPng, path.join(BUILD_DIR, 'icon.png'))
+
+  // 1024 master for the normal app icon.
+  const appPng = svgToPng(appPngIconSvg('#ffffff'), 'app-normal', ['-w', '1024', '-h', '1024'])
+  fs.copyFileSync(appPng, path.join(BUILD_DIR, 'icon.png'))
 
   // .icns via an .iconset downscaled with sips.
+  const macMasterPng = svgToPng(squareIconSvg('#ffffff', windowsTrayLogo, windowsTrayLogoBounds), 'app-normal-mac', [
+    '-w',
+    '1024',
+    '-h',
+    '1024',
+  ])
   const iconset = path.join(tmpDir, 'icon.iconset')
   fs.mkdirSync(iconset, { recursive: true })
   const variants = [
@@ -306,7 +336,7 @@ function buildAppIcons() {
   ]
   for (const [size, file] of variants) {
     const dest = path.join(iconset, file)
-    execFileSync('sips', ['-z', String(size), String(size), masterPng, '--out', dest], {
+    execFileSync('sips', ['-z', String(size), String(size), macMasterPng, '--out', dest], {
       stdio: 'ignore',
     })
   }
@@ -315,7 +345,7 @@ function buildAppIcons() {
   // .ico with every size Windows asks for (taskbar/Explorer/Alt-Tab/tiles).
   const icoSizes = [16, 24, 32, 48, 64, 128, 256]
   const icoPngs = icoSizes.map((s) =>
-    fs.readFileSync(svgToPng(squareIconSvg('#ffffff', windowsTrayLogo, windowsTrayLogoBounds), `app-ico-${s}`, ['-w', String(s), '-h', String(s)])),
+    fs.readFileSync(svgToPng(windowsIcoIconSvg('#ffffff'), `app-ico-${s}`, ['-w', String(s), '-h', String(s)])),
   )
   fs.writeFileSync(path.join(BUILD_DIR, 'icon.ico'), pngsToIco(icoPngs))
 }
@@ -356,7 +386,7 @@ function buildMainProcessIcons() {
     '// Tray icon shown when accounts have health issues (rendered @2x, not a template).',
     `export const TRAY_DANGER_ICON_BASE64 =\n  '${trayDanger}'`,
     '',
-    '// Dock / window icon — logo on the brand-blue plate.',
+    '// Dock / window icon — logo on the white plate, tuned for Windows taskbar visibility.',
     `export const APP_ICON_NORMAL_BASE64 =\n  '${appNormal}'`,
     '',
     '// Dock / window icon — logo on a danger plate when issues exist.',