Neumorphism

:root {
  --base-color: #E6E2DD; /* From Sophisticated Neutral */
  --highlight: #ffffff;
  --shadow: #c4c0bc;
}

body {
  background-color: var(--base-color);
}

.neu-element {
  background-color: var(--base-color);
  border-radius: 20px;
  /* Top-left highlight, Bottom-right shadow */
  box-shadow:  9px 9px 18px var(--shadow),
              -9px -9px 18px var(--highlight);
  padding: 32px;
}

.neu-pressed {
  /* Inset shadows for pressed/active state */
  border-radius: 20px;
  background: var(--base-color);
  box-shadow: inset 9px 9px 18px var(--shadow),
              inset -9px -9px 18px var(--highlight);
}

struct NeuCard: View {
    let baseColor = Color(red: 0.90, green: 0.89, blue: 0.87) // #E6E2DD
    
    var body: some View {
        VStack(spacing: 24) {
            Text("Neumorphic Card")
                .font(.system(size: 20, weight: .semibold, design: .rounded))
            
            Text("Extruded from the surface itself.")
                .font(.system(size: 15, design: .rounded))
                .foregroundColor(.secondary)
        }
        .padding(32)
        .background(baseColor)
        .cornerRadius(20)
        // Light shadow (top-left)
        .shadow(color: Color.white.opacity(0.7), radius: 10, x: -8, y: -8)
        // Dark shadow (bottom-right)
        .shadow(color: Color.black.opacity(0.15), radius: 10, x: 8, y: 8)
    }
}

// Pressed / inset neumorphic button
struct NeuButton: View {
    @State private var isPressed = false
    let baseColor = Color(red: 0.90, green: 0.89, blue: 0.87)
    
    var body: some View {
        Button(action: {}) {
            Text("Press Me")
                .font(.system(size: 16, weight: .semibold, design: .rounded))
                .foregroundColor(.primary)
                .padding(.horizontal, 32)
                .padding(.vertical, 16)
        }
        .background(
            Group {
                if isPressed {
                    // Inset effect using inner shadow (ZStack trick)
                    RoundedRectangle(cornerRadius: 16)
                        .fill(baseColor)
                        .overlay(
                            RoundedRectangle(cornerRadius: 16)
                                .stroke(baseColor, lineWidth: 4)
                                .shadow(color: Color.black.opacity(0.2), radius: 4, x: 4, y: 4)
                                .clipShape(RoundedRectangle(cornerRadius: 16))
                        )
                        .overlay(
                            RoundedRectangle(cornerRadius: 16)
                                .stroke(baseColor, lineWidth: 4)
                                .shadow(color: Color.white.opacity(0.7), radius: 4, x: -4, y: -4)
                                .clipShape(RoundedRectangle(cornerRadius: 16))
                        )
                } else {
                    RoundedRectangle(cornerRadius: 16)
                        .fill(baseColor)
                        .shadow(color: Color.white.opacity(0.7), radius: 10, x: -8, y: -8)
                        .shadow(color: Color.black.opacity(0.15), radius: 10, x: 8, y: 8)
                }
            }
        )
        .buttonStyle(.plain)
        .simultaneousGesture(
            DragGesture(minimumDistance: 0)
                .onChanged { _ in isPressed = true }
                .onEnded { _ in isPressed = false }
        )
    }
}

class NeuCard extends StatelessWidget {
  final Color baseColor = const Color(0xFFE6E2DD);
  
  @override
  Widget build(BuildContext context) {
    return Container(
      padding: const EdgeInsets.all(32),
      decoration: BoxDecoration(
        color: baseColor,
        borderRadius: BorderRadius.circular(20),
        boxShadow: [
          // Dark shadow (bottom-right)
          BoxShadow(
            color: Colors.black.withOpacity(0.15),
            offset: const Offset(8, 8),
            blurRadius: 16,
          ),
          // Light shadow (top-left)
          BoxShadow(
            color: Colors.white.withOpacity(0.7),
            offset: const Offset(-8, -8),
            blurRadius: 16,
          ),
        ],
      ),
      child: Column(
        children: [
          const Text('Neumorphic Card',
            style: TextStyle(fontSize: 20, fontWeight: FontWeight.w600)),
          const SizedBox(height: 16),
          Text('Extruded from the surface itself.',
            style: TextStyle(fontSize: 15, color: Colors.black54)),
        ],
      ),
    );
  }
}