liquid-glass

Comprehensive guide to Apple's Liquid Glass design system introduced in macOS 26, iOS 26, and across all Apple platforms. Covers SwiftUI (.glassEffect(), GlassEffectContainer, .interactive(), .tint(), glassEffectID morphing, .buttonStyle(.glass), .buttonStyle(.glassProminent), glassEffectUnion), AppKit (NSGlassEffectView, NSGlassEffectContainerView), UIKit (UIGlassEffect, UIGlassContainerEffect, UIScrollEdgeEffect), and WidgetKit (accented rendering mode, widgetAccentable). Use whenever building UI with the new Apple design language, adopting glass effects, styling buttons or toolbars, or creating modern macOS/iOS interfaces. Always consult this skill when asked about new Apple design.