diff --git a/assets/webui/ofdgo.js b/assets/webui/ofdgo.js
index 7c58f77..c86e19b 100644
--- a/assets/webui/ofdgo.js
+++ b/assets/webui/ofdgo.js
@@ -2727,6 +2727,7 @@ async function closeWorkspace() {
 }
 
 async function closeApplicationWindow() {
+	await window.ofdgoTheme.flush();
 	window.removeEventListener("beforeunload", warnUnsaved);
 	window.removeEventListener("beforeunload", warnBatch);
 	let closed = false;
diff --git a/assets/webui/ofdgo_theme.js b/assets/webui/ofdgo_theme.js
index d72f45e..7a04218 100644
--- a/assets/webui/ofdgo_theme.js
+++ b/assets/webui/ofdgo_theme.js
@@ -30,6 +30,13 @@
 			report(error);
 		});
 	}
+	async function flush() {
+		let current;
+		do {
+			current = pending;
+			await current;
+		} while (current !== pending);
+	}
 	function set(value) {
 		mode = value;
 		apply();
@@ -48,7 +55,7 @@
 		mode = ["light", "dark"].includes(event.newValue) ? event.newValue : "system";
 		apply();
 	});
-	window.ofdgoTheme = {set, connect(value, onError) {
+	window.ofdgoTheme = {set, flush, connect(value, onError) {
 		host = value;
 		report = onError;
 		const select = document.querySelector("#titleBarMaterial");
diff --git a/go.mod b/go.mod
index 552d369..dadcdd4 100644
--- a/go.mod
+++ b/go.mod
@@ -8,7 +8,7 @@ require (
 	github.com/go-text/typesetting v0.3.5
 	github.com/tdewolff/canvas v0.0.0-20260923214215-09804640d00c
 	github.com/tdewolff/font v0.0.0-20261010204837-88a7f6b56918
-	github.com/xiaoqidun/guigo v0.0.0-20261031023018-a9906e2ff59e
+	github.com/xiaoqidun/guigo v0.0.0-20261031024401-21bc22729961
 	github.com/xiaoqidun/j2kgo v1.0.2
 	github.com/xiaoqidun/jbig2 v1.1.8
 	github.com/xiaoqidun/pdfgo v0.0.0-20261026125713-90454771d5d0
diff --git a/go.sum b/go.sum
index ab82522..2a7364c 100644
--- a/go.sum
+++ b/go.sum
@@ -60,8 +60,8 @@ github.com/tdewolff/parse/v2 v2.8.16 h1:bLk5svUOQRkW/Y2SJ+DeENSIkZBcTIkq+Atyv5D8
 github.com/tdewolff/parse/v2 v2.8.16/go.mod h1:XdsoSFThlVIRIajAuqz1evNY7bagZS8LBOPA3aVopwQ=
 github.com/tdewolff/test v1.0.12 h1:7F21DqIajswxuche0geHdrUZRCWE4oko4b7bcmkkrxk=
 github.com/tdewolff/test v1.0.12/go.mod h1:XPuWBzvdUzhCuxWO1ojpXsyzsA5bFoS3tO/Q3kFuTG8=
-github.com/xiaoqidun/guigo v0.0.0-20261031023018-a9906e2ff59e h1:kSMo+IlFgsZSTH0QYOfkhZcpMNxzLSlmOrFmMAVSo+Y=
-github.com/xiaoqidun/guigo v0.0.0-20261031023018-a9906e2ff59e/go.mod h1:bXz+dPMVntPIVwePTTuMXt8Q0z1YoUGuROQSsXyUEfY=
+github.com/xiaoqidun/guigo v0.0.0-20261031024401-21bc22729961 h1:syGJJRYLYuGEv8d0bcSZBFBxJDy2Omq/gpnJ7CVbQLg=
+github.com/xiaoqidun/guigo v0.0.0-20261031024401-21bc22729961/go.mod h1:bXz+dPMVntPIVwePTTuMXt8Q0z1YoUGuROQSsXyUEfY=
 github.com/xiaoqidun/j2kgo v1.0.2 h1:OAjjEOfaBaQzBNcj9wx+eM68UI5pewR6SzNZa1R1DIw=
 github.com/xiaoqidun/j2kgo v1.0.2/go.mod h1:DCwAfuDzCDYqUiAlZ7BDwigTjaXw7o9L1FtEma/D1aA=
 github.com/xiaoqidun/jbig2 v1.1.8 h1:dERPW7F8gs18a/DOD9gXHR3fP1Vl6KhCNsLnq5l3BIo=
diff --git a/internal/webview/webview.go b/internal/webview/webview.go
index 250772a..29fa0bb 100644
--- a/internal/webview/webview.go
+++ b/internal/webview/webview.go
@@ -1214,8 +1214,8 @@ func windowOptions(dataDir string) (guigo.Options, error) {
 		return guigo.Options{}, err
 	}
 	material := guigo.TitleBarSolid
-	if guigo.SupportsTitleBarMaterial(guigo.TitleBarMicaAlt) {
-		material = guigo.TitleBarMicaAlt
+	if guigo.SupportsTitleBarMaterial(guigo.TitleBarMica) {
+		material = guigo.TitleBarMica
 	}
 	return guigo.Options{
 		AppID:            appID,
diff --git a/internal/webview/webview_theme.go b/internal/webview/webview_theme.go
index bc70cb1..61c35a1 100644
--- a/internal/webview/webview_theme.go
+++ b/internal/webview/webview_theme.go
@@ -160,7 +160,7 @@ func titleBarMaterial(value string) guigo.TitleBarMaterial {
 	material := guigo.TitleBarSolid
 	switch value {
 	case "mica":
-		material = guigo.TitleBarMicaAlt
+		material = guigo.TitleBarMica
 	case "acrylic":
 		material = guigo.TitleBarAcrylic
 	}