import SwiftUI

enum AppTheme {
    static let orange = Color(red: 1.0, green: 0.45, blue: 0.12)
    static let orangeDeep = Color(red: 0.86, green: 0.20, blue: 0.04)
}

struct AppBackdrop: View {
    @Environment(\.colorScheme) private var colorScheme

    var body: some View {
        LinearGradient(
            colors: colorScheme == .dark
                ? [Color(red: 0.07, green: 0.09, blue: 0.10), Color(red: 0.09, green: 0.13, blue: 0.13), Color(red: 0.15, green: 0.10, blue: 0.08)]
                : [Color(red: 0.93, green: 0.95, blue: 0.96), Color(red: 0.89, green: 0.94, blue: 0.93), Color(red: 0.97, green: 0.92, blue: 0.87)],
            startPoint: .topLeading,
            endPoint: .bottomTrailing
        )
        .overlay(alignment: .bottom) {
            Rectangle()
                .fill(colorScheme == .dark ? Color.orange.opacity(0.05) : Color.orange.opacity(0.08))
                .frame(height: 150)
                .mask(LinearGradient(colors: [.clear, .black], startPoint: .top, endPoint: .bottom))
        }
        .ignoresSafeArea()
    }
}

private struct SoftCard: ViewModifier {
    let requestedRadius: CGFloat
    private var radius: CGFloat { min(requestedRadius, 8) }

    @ViewBuilder
    func body(content: Content) -> some View {
        if #available(macOS 26.0, *) {
            content
                .glassEffect(.regular, in: RoundedRectangle(cornerRadius: radius, style: .continuous))
                .overlay { RoundedRectangle(cornerRadius: radius, style: .continuous).stroke(.white.opacity(0.26), lineWidth: 1) }
        } else {
            content
                .background(.regularMaterial, in: RoundedRectangle(cornerRadius: radius, style: .continuous))
                .overlay { RoundedRectangle(cornerRadius: radius, style: .continuous).stroke(.white.opacity(0.30), lineWidth: 1) }
        }
    }
}

extension View {
    func softCard(radius: CGFloat = 8) -> some View {
        modifier(SoftCard(requestedRadius: radius))
    }
}