:root {
  --hijau: #15803d;
  --gelap: #0f172a;
}
* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; }
body {
  font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: #f1f5f9;
  display: flex;
  flex-direction: column;
}

#aplikasi {
  flex: 1 1 auto;
  width: 100%;
  border: 0;
  display: block;
  min-height: 0;
}

/* Layar tunggu, ditampilkan sampai iframe selesai memuat */
#memuat {
  position: fixed;
  inset: 0;
  background: var(--gelap);
  color: #fff;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 14px;
  z-index: 10;
  text-align: center;
  padding: 24px;
}
#memuat[hidden] { display: none; }

.lambang {
  width: 56px; height: 56px;
  border-radius: 16px;
  background: var(--hijau);
  display: flex; align-items: center; justify-content: center;
  font-size: 26px;
  box-shadow: 0 10px 30px rgba(21, 128, 61, .35);
}
.judul { font-size: 17px; font-weight: 800; letter-spacing: .3px; }
.sub { font-size: 12px; color: #94a3b8; max-width: 320px; line-height: 1.6; }

.pemuat {
  width: 28px; height: 28px;
  border: 3px solid rgba(255, 255, 255, .15);
  border-top-color: #4ade80;
  border-radius: 50%;
  animation: putar .8s linear infinite;
}
@keyframes putar { to { transform: rotate(360deg); } }

#gagal {
  background: #fff;
  color: var(--gelap);
  border-radius: 14px;
  padding: 16px 18px;
  max-width: 340px;
  font-size: 12px;
  line-height: 1.65;
}
#gagal[hidden] { display: none; }
#gagal a {
  display: inline-block;
  margin-top: 10px;
  background: var(--hijau);
  color: #fff;
  text-decoration: none;
  font-weight: 700;
  padding: 9px 16px;
  border-radius: 10px;
}

@media (prefers-reduced-motion: reduce) {
  .pemuat { animation-duration: 3s; }
}