feat: Use tahoe native feel, p=#10761

* feat: Use tahoe native feel, b=no-bug, c=media, common

* fix: Remove rect param from glance animation, b=no-bug, c=glance

* chore: Updated surfer, b=no-bug, c=no-component

src/firefox-patches/ff-145-tahoe-upgrade.patch

@@ -0,0 +1,452 @@
+diff --git a/mfbt/tests/TestUniquePtr.cpp b/mfbt/tests/TestUniquePtr.cpp
+--- a/mfbt/tests/TestUniquePtr.cpp
++++ b/mfbt/tests/TestUniquePtr.cpp
+@@ -314,43 +314,45 @@
+   gADestructorCalls = 0;
+   gBDestructorCalls = 0;
+   return true;
+ }
+ 
+-typedef void (&FreeSignature)(void*);
++struct Free {
++  void operator()(void* aPtr) { free(aPtr); }
++};
+ 
+ static size_t DeleteIntFunctionCallCount = 0;
++struct DeleteIntFunction {
++  void operator()(void* aPtr) {
++    DeleteIntFunctionCallCount++;
++    delete[] static_cast<int*>(aPtr);
++  }
++};
+ 
+-static void DeleteIntFunction(void* aPtr) {
+-  DeleteIntFunctionCallCount++;
+-  delete[] static_cast<int*>(aPtr);
+-}
+-
+-static void SetMallocedInt(UniquePtr<int, FreeSignature>& aPtr, int aI) {
++static void SetMallocedInt(UniquePtr<int, Free>& aPtr, int aI) {
+   int* newPtr = static_cast<int*>(malloc(sizeof(int)));
+   *newPtr = aI;
+   aPtr.reset(newPtr);
+ }
+ 
+-static UniquePtr<int, FreeSignature> MallocedInt(int aI) {
+-  UniquePtr<int, FreeSignature> ptr(static_cast<int*>(malloc(sizeof(int))),
+-                                    free);
++static UniquePtr<int, Free> MallocedInt(int aI) {
++  UniquePtr<int, Free> ptr(static_cast<int*>(malloc(sizeof(int))), Free{});
+   *ptr = aI;
+   return ptr;
+ }
+ static bool TestFunctionReferenceDeleter() {
+   // Look for allocator mismatches and leaks to verify these bits
+-  UniquePtr<int, FreeSignature> i1(MallocedInt(17));
++  UniquePtr<int, Free> i1(MallocedInt(17));
+   CHECK(*i1 == 17);
+ 
+   SetMallocedInt(i1, 42);
+   CHECK(*i1 == 42);
+ 
+   // These bits use a custom deleter so we can instrument deletion.
+   {
+-    UniquePtr<int, FreeSignature> i2 =
+-        UniquePtr<int, FreeSignature>(new int[42], DeleteIntFunction);
++    UniquePtr<int, DeleteIntFunction> i2 =
++        UniquePtr<int, DeleteIntFunction>(new int[42], DeleteIntFunction{});
+     CHECK(DeleteIntFunctionCallCount == 0);
+ 
+     i2.reset(new int[76]);
+     CHECK(DeleteIntFunctionCallCount == 1);
+   }
+
+diff --git a/taskcluster/scripts/misc/build-clang.sh b/taskcluster/scripts/misc/build-clang.sh
+--- a/taskcluster/scripts/misc/build-clang.sh
++++ b/taskcluster/scripts/misc/build-clang.sh
+@@ -23,11 +23,11 @@
+   mkdir -p $ORIGPWD/bin
+   echo "#!/bin/sh" > $ORIGPWD/bin/sw_vers
+   echo echo 10.12 >> $ORIGPWD/bin/sw_vers
+   chmod +x $ORIGPWD/bin/sw_vers
+   # these variables are used in build-clang.py
+-  export OSX_SYSROOT=$(ls -d $MOZ_FETCHES_DIR/MacOSX1*.sdk)
++  export OSX_SYSROOT=$(ls -d $MOZ_FETCHES_DIR/MacOSX*.sdk)
+   export PATH=$PATH:$ORIGPWD/bin
+   ;;
+ *win64*)
+   case "$(uname -s)" in
+   MINGW*|MSYS*)
+diff --git a/taskcluster/scripts/misc/wr-macos-cross-build-setup.sh b/taskcluster/scripts/misc/wr-macos-cross-build-setup.sh
+--- a/taskcluster/scripts/misc/wr-macos-cross-build-setup.sh
++++ b/taskcluster/scripts/misc/wr-macos-cross-build-setup.sh
+@@ -1,11 +1,11 @@
+ #!/bin/bash
+ set -x -e -v
+ 
+ export TARGET_TRIPLE="x86_64-apple-darwin"
+ 
+-MACOS_SYSROOT=$(ls -d $MOZ_FETCHES_DIR/MacOSX1*.sdk)
++MACOS_SYSROOT=$(ls -d $MOZ_FETCHES_DIR/MacOSX*.sdk)
+ CLANGDIR="${MOZ_FETCHES_DIR}/clang"
+ 
+ # Deploy the wrench dependencies
+ mv ${MOZ_FETCHES_DIR}/wrench-deps/{vendor,.cargo} "${GECKO_PATH}/gfx/wr/"
+ 
+
+diff --git a/build/moz.configure/toolchain.configure b/build/moz.configure/toolchain.configure
+--- a/build/moz.configure/toolchain.configure
++++ b/build/moz.configure/toolchain.configure
+@@ -231,11 +231,11 @@
+         nargs=1,
+         help="Location of platform SDK to use",
+     )
+ 
+     def mac_sdk_min_version():
+-        return "15.5"
++        return "26.0"
+ 
+     @depends(
+         "--with-macos-sdk",
+         host,
+         bootstrap_path(
+diff --git a/python/mozbuild/mozbuild/test/configure/macos_fake_sdk/SDKSettings.plist b/python/mozbuild/mozbuild/test/configure/macos_fake_sdk/SDKSettings.plist
+--- a/python/mozbuild/mozbuild/test/configure/macos_fake_sdk/SDKSettings.plist
++++ b/python/mozbuild/mozbuild/test/configure/macos_fake_sdk/SDKSettings.plist
+@@ -1,8 +1,8 @@
+ <?xml version="1.0" encoding="UTF-8"?>
+ <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+ <plist version="1.0">
+ <dict>
+         <key>Version</key>
+-        <string>15.5</string>
++        <string>26.0</string>
+ </dict>
+ </plist>
+diff --git a/taskcluster/kinds/toolchain/macos-sdk.yml b/taskcluster/kinds/toolchain/macos-sdk.yml
+index 71f4de56367d8b68f78c974f36430e6e97dbe79f..aa1917d795f79d100c4e091437cb454807ac7583 100644
+--- a/taskcluster/kinds/toolchain/macos-sdk.yml
++++ b/taskcluster/kinds/toolchain/macos-sdk.yml
+@@ -46,19 +46,20 @@ macosx64-sdk-15.4:
+             - macosx64-sdk-toolchain
+             - MacOSX15.4.sdk
+ 
+-macosx64-sdk-15.5:
+-    description: "MacOSX15.5 SDK"
++macosx64-sdk-26.0:
++    description: "macOS 26.0 SDK"
+     treeherder:
+-        symbol: TM(sdk15.5)
++        symbol: TM(sdk26.0)
+     run:
+         arguments:
+-            - https://swcdn.apple.com/content/downloads/52/01/082-41241-A_0747ZN8FHV/dectd075r63pppkkzsb75qk61s0lfee22j/CLTools_macOSNMOS_SDK.pkg
+-            - fb7c555e823b830279394e52c7d439bd287a9d8b007883fa0595962a240d488b5613f8cc8d1cc9657909de9367417652564f3df66e238a47bbc87244f5205056
+-            - Library/Developer/CommandLineTools/SDKs/MacOSX15.5.sdk
+-        toolchain-artifact: project/gecko/mac-sdk/MacOSX15.5.sdk.tar.zst
++            - https://swcdn.apple.com/content/downloads/27/62/093-35114-A_AAH24ZZQB5/yn87ru9qe9225m8hwq2ic3hjy5yc5vw7h9/CLTools_macOSNMOS_SDK.pkg
++            - d3286bd6d4dff1b12f1d0dab4816719e605a1bfb76af84575deec37b25fc4462d4fc1258aa43b138a557c4f9304e06740441b101eb367a4b5bd77200b0708c71
++            - Library/Developer/CommandLineTools/SDKs/MacOSX26.0.sdk
++        toolchain-artifact: project/gecko/mac-sdk/MacOSX26.0.sdk.tar.zst
+         toolchain-alias:
+             - macosx64-sdk
+-            - MacOSX15.5.sdk
++            - macosx64-sdk-toolchain
++            - MacOSX26.0.sdk
+ 
+ ios-sdk-18.4:
+     description: "iPhoneOS18.4 SDK"
+
+diff --git a/browser/themes/osx/places/organizer.css b/browser/themes/osx/places/organizer.css
+index 60e3d65d9ea5..730aa23aed6c 100644
+--- a/browser/themes/osx/places/organizer.css
++++ b/browser/themes/osx/places/organizer.css
+@@ -11,13 +11,15 @@
+   padding: 4px 4px 3px;
+   border-bottom: 1px solid ThreeDShadow;
+ 
+-  &::after {
+-    content: "";
+-    position: absolute;
+-    inset: 0;
+-    appearance: auto;
+-    -moz-default-appearance: -moz-window-titlebar;
+-    z-index: -1;
++  @media not (-moz-mac-tahoe-theme) {
++    &::after {
++      content: "";
++      position: absolute;
++      inset: 0;
++      appearance: auto;
++      -moz-default-appearance: -moz-window-titlebar;
++      z-index: -1;
++    }
+   }
+ }
+ 
+diff --git a/browser/themes/shared/pageInfo.css b/browser/themes/shared/pageInfo.css
+index 92259765b92f..e7bf5a299abe 100644
+--- a/browser/themes/shared/pageInfo.css
++++ b/browser/themes/shared/pageInfo.css
+@@ -14,13 +14,15 @@
+     align-items: center;
+     justify-content: center;
+ 
+-    &::after {
+-      content: "";
+-      position: absolute;
+-      inset: 0;
+-      appearance: auto;
+-      -moz-default-appearance: -moz-window-titlebar;
+-      z-index: -1;
++    @media not (-moz-mac-tahoe-theme) {
++      &::after {
++        content: "";
++        position: absolute;
++        inset: 0;
++        appearance: auto;
++        -moz-default-appearance: -moz-window-titlebar;
++        z-index: -1;
++      }
+     }
+   }
+ }
+diff --git a/layout/style/test/chrome/chrome-only-media-queries.js b/layout/style/test/chrome/chrome-only-media-queries.js
+index e200152ba41b..88ba56525e99 100644
+--- a/layout/style/test/chrome/chrome-only-media-queries.js
++++ b/layout/style/test/chrome/chrome-only-media-queries.js
+@@ -4,6 +4,7 @@ const CHROME_ONLY_TOGGLES = [
+   "-moz-print-preview",
+   "-moz-overlay-scrollbars",
+   "-moz-mac-big-sur-theme",
++  "-moz-mac-tahoe-theme",
+   "-moz-menubar-drag",
+   "-moz-windows-accent-color-in-titlebar",
+   "-moz-swipe-animation-enabled",
+diff --git a/servo/components/style/gecko/media_features.rs b/servo/components/style/gecko/media_features.rs
+index b0082951254a..ddbcd495260b 100644
+--- a/servo/components/style/gecko/media_features.rs
++++ b/servo/components/style/gecko/media_features.rs
+@@ -645,7 +645,7 @@ macro_rules! lnf_int_feature {
+ /// to support new types in these entries and (2) ensuring that either
+ /// nsPresContext::MediaFeatureValuesChanged is called when the value that
+ /// would be returned by the evaluator function could change.
+-pub static MEDIA_FEATURES: [QueryFeatureDescription; 58] = [
++pub static MEDIA_FEATURES: [QueryFeatureDescription; 59] = [
+     feature!(
+         atom!("width"),
+         AllowsRanges::Yes,
+@@ -918,6 +918,7 @@ pub static MEDIA_FEATURES: [QueryFeatureDescription; 58] = [
+     ),
+     lnf_int_feature!(atom!("-moz-menubar-drag"), MenuBarDrag),
+     lnf_int_feature!(atom!("-moz-mac-big-sur-theme"), MacBigSurTheme),
++    lnf_int_feature!(atom!("-moz-mac-tahoe-theme"), MacTahoeTheme),
+     feature!(
+         atom!("-moz-mac-rtl"),
+         AllowsRanges::No,
+diff --git a/toolkit/themes/shared/menu.css b/toolkit/themes/shared/menu.css
+index f1330e7dd7a3..23c04a931ae0 100644
+--- a/toolkit/themes/shared/menu.css
++++ b/toolkit/themes/shared/menu.css
+@@ -31,6 +31,11 @@ panel {
+   }
+   @media (-moz-platform: macos) {
+     --menuitem-padding: 3px 9px;
++
++    @media (-moz-mac-tahoe-theme) {
++      --menuitem-padding: 4px 11px;
++      --menuitem-border-radius: 7px;
++    }
+   }
+ 
+   @media (-moz-platform: windows) {
+diff --git a/widget/LookAndFeel.h b/widget/LookAndFeel.h
+index fc1e28206ac2..1661476a75f0 100644
+--- a/widget/LookAndFeel.h
++++ b/widget/LookAndFeel.h
+@@ -117,6 +117,12 @@ class LookAndFeel {
+      */
+     MacBigSurTheme,
+ 
++    /*
++     * A Boolean value to determine whether the macOS Tahoe-specific
++     * theming should be used.
++     */
++    MacTahoeTheme,
++
+     /*
+      * AlertNotificationOrigin indicates from which corner of the
+      * screen alerts slide in, and from which direction (horizontal/vertical).
+diff --git a/widget/cocoa/nsCocoaFeatures.h b/widget/cocoa/nsCocoaFeatures.h
+index dfad59dfe676..1a2389fda02c 100644
+--- a/widget/cocoa/nsCocoaFeatures.h
++++ b/widget/cocoa/nsCocoaFeatures.h
+@@ -22,6 +22,7 @@ class nsCocoaFeatures {
+   static bool OnMontereyOrLater();
+   static bool OnVenturaOrLater();
+   static bool OnSonomaOrLater();
++  static bool OnTahoeOrLater();
+ 
+   static bool IsAtLeastVersion(int32_t aMajor, int32_t aMinor,
+                                int32_t aBugFix = 0);
+diff --git a/widget/cocoa/nsCocoaFeatures.mm b/widget/cocoa/nsCocoaFeatures.mm
+index 509bdbd3fbe3..b70b9c6bbed3 100644
+--- a/widget/cocoa/nsCocoaFeatures.mm
++++ b/widget/cocoa/nsCocoaFeatures.mm
+@@ -27,6 +27,7 @@
+ #define MACOS_VERSION_12_0_HEX 0x000C0000
+ #define MACOS_VERSION_13_0_HEX 0x000D0000
+ #define MACOS_VERSION_14_0_HEX 0x000E0000
++#define MACOS_VERSION_26_0_HEX 0x001A0000
+ 
+ #include "nsCocoaFeatures.h"
+ #include "nsCocoaUtils.h"
+@@ -186,6 +187,11 @@ static int intAtStringIndex(NSArray* array, int index) {
+   return (macOSVersion() >= MACOS_VERSION_14_0_HEX);
+ }
+ 
++/* static */ bool nsCocoaFeatures::OnTahoeOrLater() {
++  // See comments above regarding SYSTEM_VERSION_COMPAT.
++  return (macOSVersion() >= MACOS_VERSION_26_0_HEX);
++}
++
+ /* static */ bool nsCocoaFeatures::IsAtLeastVersion(int32_t aMajor,
+                                                     int32_t aMinor,
+                                                     int32_t aBugFix) {
+diff --git a/widget/cocoa/nsCocoaWindow.h b/widget/cocoa/nsCocoaWindow.h
+index 38aca9f32590..9484ef078900 100644
+--- a/widget/cocoa/nsCocoaWindow.h
++++ b/widget/cocoa/nsCocoaWindow.h
+@@ -111,6 +111,9 @@ class TextInputHandler;
+ - (void)setEffectViewWrapperForStyle:(mozilla::WindowShadow)aStyle;
+ @property(nonatomic) mozilla::WindowShadow shadowStyle;
+ 
++- (void)updateTitlebarTransparency;
++- (void)setTitlebarSeparatorStyle:(NSTitlebarSeparatorStyle)aStyle API_AVAILABLE(macos(11.0));
++
+ - (void)releaseJSObjects;
+ 
+ @end
+diff --git a/widget/cocoa/nsCocoaWindow.mm b/widget/cocoa/nsCocoaWindow.mm
+index c9991df86dc6..c746a78b8440 100644
+--- a/widget/cocoa/nsCocoaWindow.mm
++++ b/widget/cocoa/nsCocoaWindow.mm
+@@ -7611,6 +7611,15 @@ - (id)initWithContentRect:(NSRect)aContentRect
+ // vibrancy effect and window border.
+ - (void)setEffectViewWrapperForStyle:(WindowShadow)aStyle {
+   NSView* wrapper = [&]() -> NSView* {
++    if (@available(macOS 26.0, *)) {
++      if (aStyle == WindowShadow::Menu) {
++        // Menus on macOS 26 use glass instead of vibrancy.
++        auto* effectView =
++            [[NSGlassEffectView alloc] initWithFrame:self.contentView.frame];
++        effectView.cornerRadius = 12.0f;
++        return effectView;
++      }
++    }
+     if (aStyle == WindowShadow::Menu || aStyle == WindowShadow::Tooltip) {
+       const bool isMenu = aStyle == WindowShadow::Menu;
+       auto* effectView =
+@@ -7721,6 +7730,7 @@ - (void)setDrawsContentsIntoWindowFrame:(BOOL)aState {
+   mDrawsIntoWindowFrame = aState;
+   if (changed) {
+     [self reflowTitlebarElements];
++    [self updateTitlebarTransparency];
+   }
+ }
+ 
+@@ -7850,6 +7860,32 @@ - (void)reflowTitlebarElements {
+   }
+ }
+ 
++- (void)updateTitlebarTransparency {
++  if (self.drawsContentsIntoWindowFrame) {
++    // Hide the titlebar if we are drawing into it
++    self.titlebarAppearsTransparent = true;
++    return;
++  }
++
++  if (@available(macOS 26.0, *)) {
++    // On macOS 26, the titlebar must be transparent to hide the separator.
++    // This does not affect the titlebar background on macOS 26, as it
++    // already matches the window background even when not transparent.
++    if (self.titlebarSeparatorStyle == NSTitlebarSeparatorStyleNone) {
++      self.titlebarAppearsTransparent = true;
++      return;
++    }
++  }
++
++  // Show the titlebar otherwise.
++  self.titlebarAppearsTransparent = false;
++}
++
++- (void)setTitlebarSeparatorStyle:(NSTitlebarSeparatorStyle)aStyle {
++  [super setTitlebarSeparatorStyle:aStyle];
++  [self updateTitlebarTransparency];
++}
++
+ - (BOOL)respondsToSelector:(SEL)aSelector {
+   // Claim the window doesn't respond to this so that the system
+   // doesn't steal keyboard equivalents for it. Bug 613710.
+@@ -8166,8 +8202,6 @@ - (void)setDrawsContentsIntoWindowFrame:(BOOL)aState {
+   BOOL stateChanged = self.drawsContentsIntoWindowFrame != aState;
+   [super setDrawsContentsIntoWindowFrame:aState];
+   if (stateChanged && [self.delegate isKindOfClass:[WindowDelegate class]]) {
+-    // Hide the titlebar if we are drawing into it
+-    self.titlebarAppearsTransparent = aState;
+     self.titleVisibility = aState ? NSWindowTitleHidden : NSWindowTitleVisible;
+ 
+     // Here we extend / shrink our mainChildView.
+diff --git a/widget/cocoa/nsLookAndFeel.mm b/widget/cocoa/nsLookAndFeel.mm
+index 16cf2ed9b0ea..579b2445adfe 100644
+--- a/widget/cocoa/nsLookAndFeel.mm
++++ b/widget/cocoa/nsLookAndFeel.mm
+@@ -458,6 +458,9 @@ static bool PrefersNonBlinkingTextInsertionIndicator() {
+     case IntID::MacBigSurTheme:
+       aResult = nsCocoaFeatures::OnBigSurOrLater();
+       break;
++    case IntID::MacTahoeTheme:
++      aResult = nsCocoaFeatures::OnTahoeOrLater();
++      break;
+     case IntID::AlertNotificationOrigin:
+       aResult = NS_ALERT_TOP;
+       break;
+diff --git a/widget/cocoa/nsNativeThemeCocoa.mm b/widget/cocoa/nsNativeThemeCocoa.mm
+index 6ddd495b73f9..b94b8331be87 100644
+--- a/widget/cocoa/nsNativeThemeCocoa.mm
++++ b/widget/cocoa/nsNativeThemeCocoa.mm
+@@ -191,6 +191,10 @@ static NSControlSize ControlSizeForEnum(CocoaSize enumControlSize) {
+ 
+ static void InflateControlRect(NSRect* rect, NSControlSize cocoaControlSize,
+                                const CellMarginArray& marginSet) {
++  if (nsCocoaFeatures::OnTahoeOrLater()) {
++    // Controls on macOS 26 fill the entire frame and do not require inflation.
++    return;
++  }
+   auto controlSize = EnumSizeForCocoaSize(cocoaControlSize);
+   const IntMargin& buttonMargins = marginSet[controlSize];
+   rect->origin.x -= buttonMargins.left;
+diff --git a/widget/nsXPLookAndFeel.cpp b/widget/nsXPLookAndFeel.cpp
+index c0dde6e1c04a..24b6f83930a7 100644
+--- a/widget/nsXPLookAndFeel.cpp
++++ b/widget/nsXPLookAndFeel.cpp
+@@ -121,6 +121,7 @@ static const char sIntPrefs[][45] = {
+     "ui.windowsMica",
+     "ui.windowsMicaPopups",
+     "ui.macBigSurTheme",
++    "ui.macTahoeTheme",
+     "ui.alertNotificationOrigin",
+     "ui.scrollToClick",
+     "ui.IMERawInputUnderlineStyle",
+diff --git a/xpcom/ds/StaticAtoms.py b/xpcom/ds/StaticAtoms.py
+index e1a0497dc0b9..ec88f0496378 100644
+--- a/xpcom/ds/StaticAtoms.py
++++ b/xpcom/ds/StaticAtoms.py
+@@ -2283,6 +2283,7 @@ STATIC_ATOMS = [
+     Atom("_moz_windows_mica", "-moz-windows-mica"),
+     Atom("_moz_windows_mica_popups", "-moz-windows-mica-popups"),
+     Atom("_moz_mac_big_sur_theme", "-moz-mac-big-sur-theme"),
++    Atom("_moz_mac_tahoe_theme", "-moz-mac-tahoe-theme"),
+     Atom("_moz_mac_rtl", "-moz-mac-rtl"),
+     Atom("_moz_mac_titlebar_height", "-moz-mac-titlebar-height"),
+     Atom("_moz_platform", "-moz-platform"),

src/servo/components/style/gecko/media_features-rs.patch

@@ -30,8 +30,8 @@ index b0082951254ad592c73caaa16c5b5c57127831a9..9b3566b08aacfcf2cfbf9941b2b3ca91
  /// to support new types in these entries and (2) ensuring that either
  /// nsPresContext::MediaFeatureValuesChanged is called when the value that
  /// would be returned by the evaluator function could change.
--pub static MEDIA_FEATURES: [QueryFeatureDescription; 58] = [
-+pub static MEDIA_FEATURES: [QueryFeatureDescription; 59] = [
+-pub static MEDIA_FEATURES: [QueryFeatureDescription; 59] = [
++pub static MEDIA_FEATURES: [QueryFeatureDescription; 60] = [
 +    feature!(
 +        atom!("-moz-bool-pref"),
 +        AllowsRanges::No,

src/zen/common/styles/zen-browser-ui.css

@@ -202,16 +202,28 @@
   @media -moz-pref('zen.widget.mac.mono-window-controls') {
     .titlebar-buttonbox-container {
       color: var(--toolbox-textcolor);
+
+      --zen-traffic-light-size: 6px;
+
+      @media (-moz-mac-tahoe-theme) {
+        --zen-traffic-light-size: 7px;
+      }
+
       /* Draw 3 dots as background to represent the window controls,
         all with the same cololr as the titlebar */
       background-image: radial-gradient(
         circle,
-        var(--zen-toolbar-element-bg) 6px,
+        var(--zen-toolbar-element-bg) var(--zen-traffic-light-size),
         transparent 0.5px
       );
       background-size: 20px 22px;
       background-position: 53% 50%;
 
+      @media (-moz-mac-tahoe-theme) {
+        background-size: 23px 22px;
+        background-position: 52% 50%;
+      }
+
       &:not([zen-has-hover='true']) > .titlebar-buttonbox {
         opacity: 0;
       }

src/zen/common/styles/zen-panel-ui.css

@@ -41,6 +41,7 @@ panel[type='arrow'] {
     --panel-background: light-dark(rgba(255, 255, 255, 0.5), rgba(0, 0, 0, 0.5)) !important;
     --panel-border-color: transparent !important;
     --panel-shadow-margin: 0px !important;
+    border: none !important;
 
     transition-duration: 0s !important;
 

src/zen/glance/ZenGlanceManager.mjs

@@ -373,10 +373,9 @@
     /**
      * Handle element preview if provided
      * @param {Object} data - Glance data
-     * @param {Object} rect - The rectangle data
      * @returns {Element|null} The preview element or null
      */
-    #handleElementPreview(data, rect) {
+    #handleElementPreview(data) {
       if (!data.elementData) {
         return null;
       }