...

User interface/HUD/CustomVolumeSlider.h

@@ -9,7 +9,7 @@
 
 @interface CustomVolumeSlider : NSSliderCell
 
-// Add a property to track the hover state
+// This property will control whether the knob is visible.
 @property (nonatomic, assign) BOOL isHovered;
 
 @end

User interface/HUD/CustomVolumeSlider.m

@@ -23,7 +23,6 @@
     [fg fill];
 }
 
-// **MODIFIED:** The knob is now drawn only when the isHovered property is true.
 - (void)drawKnob:(NSRect)knobRect {
     if (self.isHovered) {
         CGFloat d = 12;

User interface/HUD/HoverSlider.h

@@ -0,0 +1,21 @@
+//
+//  HoverSlider.h
+//  Volume Control
+//
+//  Created by Andrea Alberti on 26.10.25.
+//
+
+
+#import <Cocoa/Cocoa.h>
+
+NS_ASSUME_NONNULL_BEGIN
+
+/**
+ An NSSlider subclass that detects mouse hover events (mouseEntered:/mouseExited:)
+ and communicates the hover state to its CustomVolumeSlider cell.
+ */
+@interface HoverSlider : NSSlider
+
+@end
+
+NS_ASSUME_NONNULL_END

User interface/HUD/HoverSlider.m

@@ -0,0 +1,54 @@
+//
+//  HoverSlider.m
+//  Volume Control
+//
+//  Created by Andrea Alberti on 26.10.25.
+//
+
+#import "HoverSlider.h"
+#import "CustomVolumeSlider.h" // We need this to access the 'isHovered' property
+
+@implementation HoverSlider
+
+// This method sets up the tracking area that allows us to receive mouse events.
+- (void)updateTrackingAreas {
+    [super updateTrackingAreas];
+    
+    // Remove any old tracking areas to prevent duplicates
+    for (NSTrackingArea *area in self.trackingAreas) {
+        [self removeTrackingArea:area];
+    }
+    
+    // **MODIFIED:** Changed the tracking option to be always active.
+    NSTrackingAreaOptions options = NSTrackingMouseEnteredAndExited | NSTrackingActiveAlways;
+    NSTrackingArea *trackingArea = [[NSTrackingArea alloc] initWithRect:self.bounds
+                                                                options:options
+                                                                  owner:self
+                                                               userInfo:nil];
+    [self addTrackingArea:trackingArea];
+}
+
+// Called when the mouse cursor enters the slider's bounds.
+- (void)mouseEntered:(NSEvent *)event {
+    NSLog(@"DFd");
+    [super mouseEntered:event];
+    if ([self.cell isKindOfClass:[CustomVolumeSlider class]]) {
+        // Tell our custom cell that it's being hovered
+        ((CustomVolumeSlider *)self.cell).isHovered = YES;
+        // Trigger a redraw to show the knob
+        [self setNeedsDisplay:YES];
+    }
+}
+
+// Called when the mouse cursor leaves the slider's bounds.
+- (void)mouseExited:(NSEvent *)event {
+    [super mouseExited:event];
+    if ([self.cell isKindOfClass:[CustomVolumeSlider class]]) {
+        // Tell our custom cell that the hover is over
+        ((CustomVolumeSlider *)self.cell).isHovered = NO;
+        // Trigger a redraw to hide the knob
+        [self setNeedsDisplay:YES];
+    }
+}
+
+@end

User interface/HUD/TahoeVolumeHUD.m

@@ -4,6 +4,7 @@
 #import "CustomVolumeSlider.h"
 #import <AppKit/NSGlassEffectView.h>
 #import "HUDPanel.h"
+#import "HoverSlider.h"
 
 // Product Module Name: Volume_Control
 #import "Volume_Control-Swift.h"  // exposes LiquidGlassView to ObjC
@@ -217,6 +218,10 @@ static const CGFloat kSideInset  = 12.0;  // left/right margin
     [glass setVariantIfAvailable:5];
     [glass setScrimStateIfAvailable:0];
     [glass setSubduedStateIfAvailable:0];
+    
+//    [glass setValue:@(YES) forKey:@"_useReducedShadowRadius"]; // smaller or sharper rim
+//    [glass setValue:@(0)   forKey:@"_adaptiveAppearance"];      adapts rim contrast to dark/light mode
+//    [glass setValue:@(0)   forKey:@"_contentLensing"];         // if 1, simulates focus depth
 
     // Optional SwiftUI-like post-filters:
     //[glass applyVisualAdjustmentsWithSaturation:1.5 brightness:0.2 blur:0.25];
@@ -224,6 +229,7 @@ static const CGFloat kSideInset  = 12.0;  // left/right margin
 
 #pragma mark - Content
 
+
 - (NSView *)buildSliderStrip {
     NSView *strip = [NSView new];
     strip.translatesAutoresizingMaskIntoConstraints = NO;
@@ -246,12 +252,18 @@ static const CGFloat kSideInset  = 12.0;  // left/right margin
     [iconRight setContentHuggingPriority:251 forOrientation:NSLayoutConstraintOrientationHorizontal];
     [iconRight setContentCompressionResistancePriority:751 forOrientation:NSLayoutConstraintOrientationHorizontal];
 
-    // Slider (custom white cell)
-    NSSlider *slider = [NSSlider sliderWithValue:0.6 minValue:0.0 maxValue:1.0 target:self action:@selector(sliderChanged:)];
+    // <-- 2. USE THE NEW HoverSlider CLASS
+    HoverSlider *slider = [HoverSlider new];
+    slider.minValue = 0.0;
+    slider.maxValue = 1.0;
+    slider.doubleValue = 0.6; // initial value
+    slider.target = self;
+    slider.action = @selector(sliderChanged:);
+    
     slider.translatesAutoresizingMaskIntoConstraints = NO;
     slider.controlSize = NSControlSizeSmall;
 
-    CustomVolumeSlider *cell = [CustomVolumeSlider new]; // NSSliderCell subclass
+    CustomVolumeSlider *cell = [CustomVolumeSlider new];
     cell.minValue = 0.0;
     cell.maxValue = 1.0;
     cell.controlSize = NSControlSizeSmall;