/* Halaman toko (beli.html, selesai.html) - warna sama dengan index.html */
:root {
  --latar: #161616; --kartu: #222222; --kartu-2: #2a2a2a; --garis: #383838;
  --teks: #ebebeb; --redup: #a3a3a3; --aksen: #3f90f0;
  --tombol: #1f72d8; --tombol-sorot: #3f90f0; --aksen-gelap: #13233a;
  --hijau: #3ccf7a; --merah: #f07070;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--latar); color: var(--teks); font: 16px/1.6 "Segoe UI", system-ui, -apple-system, Roboto, sans-serif; }
a { color: var(--aksen); }
header.atas { border-bottom: 1px solid var(--garis); }
header.atas .wadah { display: flex; align-items: center; height: 60px; }
.merek { display: flex; align-items: center; gap: 10px; font-weight: 700; text-decoration: none; font-size: 18px; color: var(--teks); }
.merek img { width: 28px; height: 28px; }
.wadah { max-width: 560px; margin: 0 auto; padding: 0 16px; }
main { padding: 40px 0 64px; }
h1 { font-size: clamp(26px, 6vw, 34px); line-height: 1.15; margin: 0 0 8px; letter-spacing: -.02em; }
.redup { color: var(--redup); }
.kartu { background: var(--kartu); border: 1px solid var(--garis); border-radius: 14px; padding: 22px; margin-top: 24px; }
label { display: block; font-weight: 600; font-size: 14px; margin: 16px 0 6px; }
label:first-child { margin-top: 0; }
input, select {
  width: 100%; padding: 12px 14px; border-radius: 10px; border: 1px solid var(--garis);
  background: var(--kartu-2); color: var(--teks); font: inherit;
}
input:focus, select:focus { outline: 2px solid var(--aksen); outline-offset: 1px; border-color: transparent; }
.catatan { font-size: 13px; color: var(--redup); margin-top: 6px; }
.harga { display: flex; justify-content: space-between; align-items: baseline; margin-top: 20px; padding-top: 16px; border-top: 1px solid var(--garis); }
.harga b { font-size: 24px; }
.tombol {
  display: flex; width: 100%; align-items: center; justify-content: center; margin-top: 20px;
  padding: 14px 22px; border-radius: 10px; border: 0; cursor: pointer;
  background: var(--tombol); color: #fff; font: 700 16px/1.2 inherit; font-family: inherit; text-decoration: none;
}
.tombol:hover { background: var(--tombol-sorot); }
.tombol:disabled { opacity: .55; cursor: wait; }
.tombol.kedua { background: transparent; border: 1px solid var(--garis); color: var(--teks); }
.pesan { margin-top: 14px; font-size: 14px; color: var(--merah); min-height: 1em; }
.kunci {
  display: flex; gap: 10px; align-items: center; justify-content: space-between; flex-wrap: wrap;
  background: var(--aksen-gelap); border: 1px solid #24476f; border-radius: 10px; padding: 14px 16px; margin: 14px 0;
}
.kunci code { font: 700 clamp(15px, 4.6vw, 20px) Consolas, "Courier New", monospace; letter-spacing: .04em; overflow-wrap: anywhere; }
.kunci button { background: var(--tombol); color: #fff; border: 0; border-radius: 8px; padding: 8px 12px; font: 600 14px inherit; font-family: inherit; cursor: pointer; }
.status-ok { color: var(--hijau); }
ol { padding-left: 20px; }
.kelompok-beli { margin-bottom: 18px; }
.kelompok-beli.paket { padding: 12px 14px; border: 1px solid #24476f; background: var(--aksen-gelap); border-radius: 12px; }
.judul-kelompok { margin: 0 0 6px; font-size: 13px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: var(--aksen); }
label.pilih {
  display: flex; align-items: center; gap: 10px; margin: 0; padding: 9px 2px; font-weight: 500; font-size: 15px;
  border-bottom: 1px solid var(--garis); cursor: pointer;
}
label.pilih input { width: 18px; height: 18px; flex: none; accent-color: var(--tombol); }
label.pilih span { flex: 1; min-width: 0; }
label.pilih b { white-space: nowrap; }
.kelompok-beli.paket label.pilih { border-bottom: 0; font-weight: 700; }
.putar { display: inline-block; width: 18px; height: 18px; border: 2px solid var(--garis); border-top-color: var(--aksen); border-radius: 50%; animation: putar 1s linear infinite; vertical-align: -3px; margin-right: 8px; }
@keyframes putar { to { transform: rotate(360deg); } }
@media (prefers-reduced-motion: reduce) { .putar { animation: none; } }