SwiftUI crypto app — rang sxemasini yangilash

// Assets.xcassets > Background (Dark) ni vaqtincha sariq ranggga o'zgartiring

init() {
    UINavigationBar.appearance().largeTitleTextAttributes = [
        .foregroundColor: UIColor(Color.theme.accent)
    ]
    UINavigationBar.appearance().titleTextAttributes = [
        .foregroundColor: UIColor(Color.theme.accent)
    ]

    // ← Yangi: barcha List-larning fon rangi
    UITableView.appearance().backgroundColor = UIColor.clear
}

// allCoinsList-da:
ForEach(vm.allCoins) { coin in
    CoinRowView(coin: coin, showHoldingsColumn: false)
        .onTapGesture { segue(coin: coin) }
        .listRowBackground(Color.theme.background)  // ← yangi
}

// portfolioCoinsList-da ham xuddi shunday

// PortfolioView.swift-da:
var body: some View {
    NavigationView {
        ScrollView {
            // ...
        }
        .background(Color.theme.background.ignoresSafeArea())  // ← yangi
    }
}

// SettingsView.swift-da:
var body: some View {
    NavigationView {
        ZStack {
            Color.theme.background.ignoresSafeArea()  // ← fon layer

            List {
                // ...
            }
        }
    }
}

// Har bir Section uchun:
Section(...) {
    // ...
}
.listRowBackground(Color.theme.background.opacity(0.5))  // ← ozgina farqli

// DetailView.swift-da:
var body: some View {
    ScrollView {
        // ...
    }
    .background(Color.theme.background.ignoresSafeArea())  // ← yangi
    .navigationTitle(vm.coin.name)
}

UINavigationBar.appearance().tintColor = UIColor(Color.theme.accent)

extension Color {
    static let theme = ColorTheme()
}

struct ColorTheme {
    let accent = Color("AccentColor")
    let background = Color("BackgroundColor")
    let green = Color("GreenColor")
    let red = Color("RedColor")
    let secondaryText = Color("SecondaryTextColor")
}

struct ColorTheme2 {
    let accent = Color(#colorLiteral(red: 0, green: 0.8, blue: 0.8, alpha: 1))    // Firuza
    let background = Color(#colorLiteral(red: 0.05, green: 0.1, blue: 0.2, alpha: 1))  // To'q ko'k
    let green = Color(#colorLiteral(red: 0.2, green: 0.7, blue: 0.3, alpha: 1))   // Yashil
    let red = Color(#colorLiteral(red: 0.8, green: 0.1, blue: 0.2, alpha: 1))     // Qizil
    let secondaryText = Color(#colorLiteral(red: 0.6, green: 0.6, blue: 0.7, alpha: 1))  // Kulrang
}

extension Color {
    static let theme = ColorTheme2()  // ← Faqat shu satrni o'zgartiramiz!
}