Carousel

// Carousel · syxUI · https://syxui.dev/components/media-carousel
// Free in any project. Keep this line and credit syxUI where a person can read it.

import SwiftUI

func mediaGradient(_ i: Int) -> LinearGradient {
    let pairs: [(Color, Color)] = [
        (Color(red: 0.98, green: 0.42, blue: 0.36), Color(red: 0.85, green: 0.18, blue: 0.22)),
        (Color(red: 0.36, green: 0.42, blue: 0.9), Color(red: 0.16, green: 0.18, blue: 0.42)),
        (Color(red: 0.2, green: 0.6, blue: 0.45), Color(red: 0.08, green: 0.3, blue: 0.24)),
        (Color(red: 0.55, green: 0.4, blue: 0.85), Color(red: 0.3, green: 0.16, blue: 0.5)),
    ]
    let p = pairs[i % pairs.count]
    return LinearGradient(colors: [p.0, p.1], startPoint: .topLeading, endPoint: .bottomTrailing)
}

extension View {
    func formaCard(_ pad: CGFloat = 18) -> some View {
        self.padding(pad)
            .background(Color(.systemBackground), in: RoundedRectangle(cornerRadius: 20, style: .continuous))
            .overlay(RoundedRectangle(cornerRadius: 20, style: .continuous).stroke(Color.primary.opacity(0.06), lineWidth: 1))
            .shadow(color: .black.opacity(0.05), radius: 14, x: 0, y: 6)
    }
}

// Carousel
struct CarouselCard: View {
    var body: some View {
        VStack(spacing: 12) {
            ZStack {
                RoundedRectangle(cornerRadius: 16, style: .continuous).fill(mediaGradient(0)).frame(height: 160)
                HStack {
                    Image(systemName: "chevron.left").font(.system(size: 14, weight: .bold)).foregroundStyle(.primary).frame(width: 34, height: 34).background(.ultraThinMaterial, in: Circle())
                    Spacer()
                    Image(systemName: "chevron.right").font(.system(size: 14, weight: .bold)).foregroundStyle(.primary).frame(width: 34, height: 34).background(.ultraThinMaterial, in: Circle())
                }.padding(.horizontal, 10)
            }
            HStack(spacing: 6) {
                ForEach(0..<4, id: \.self) { i in
                    Capsule().fill(i == 0 ? Color.primary : Color.primary.opacity(0.2)).frame(width: i == 0 ? 18 : 6, height: 6)
                }
            }
        }.formaCard(12)
    }
}