* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  background: linear-gradient(135deg, #ecfdf5 0%, #d1fae5 100%);
  min-height: 100vh;
  color: #1f2937;
}
#root {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}
.wrap { width: 100%; max-width: 640px; }
.center { text-align: center; }
.card {
  background: #fff;
  border-radius: 16px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.08);
  padding: 32px;
}
.header { text-align: center; margin-bottom: 32px; }
.check-badge {
  width: 80px; height: 80px; border-radius: 50%;
  background: #d1fae5; display: flex; align-items: center; justify-content: center;
  margin: 0 auto 20px; font-size: 40px;
}
h1 { font-size: 28px; margin: 0 0 12px; }
.muted { color: #6b7280; margin: 4px 0; }
.product-card { border: 2px solid #a7f3d0; border-radius: 14px; overflow: hidden; margin-bottom: 24px; }
.product-header { background: #ecfdf5; padding: 16px 20px; font-weight: 600; color: #047857; display:flex; align-items:center; gap:8px; }
.product-body { padding: 20px; }
.row { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 20px; }
.price { font-size: 22px; font-weight: 700; color: #059669; text-align: right; }
.price-sub { font-size: 13px; color: #9ca3af; text-align: right; }
label { font-size: 14px; font-weight: 500; display: block; margin-bottom: 6px; }
input[type=email] {
  width: 100%; padding: 12px 14px; border: 1px solid #d1d5db; border-radius: 8px;
  font-size: 15px; margin-bottom: 12px;
}
button {
  width: 100%; padding: 14px; border: none; border-radius: 8px;
  background: #059669; color: #fff; font-size: 16px; font-weight: 600; cursor: pointer;
  display: flex; align-items: center; justify-content: center; gap: 8px;
  margin-bottom: 10px;
}
button:disabled { opacity: 0.6; cursor: not-allowed; }
button:hover:not(:disabled) { background: #047857; }
.footer { text-align: center; font-size: 13px; color: #6b7280; margin-top: 20px; }
.error-icon { font-size: 48px; margin-bottom: 12px; }
.spinner {
  width: 40px; height: 40px; border-radius: 50%;
  border: 4px solid #a7f3d0; border-top-color: #059669;
  animation: spin 0.8s linear infinite; margin: 0 auto 16px;
}
@keyframes spin { to { transform: rotate(360deg); } }
.notice { text-align: center; font-size: 14px; color: #047857; font-weight: 500; margin-bottom: 12px; }
.warn { text-align: center; font-size: 14px; color: #ca8a04; margin-top: 10px; }