* { box-sizing: border-box; }
html, body { min-height: 100%; }
body {
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #f1f5f9;
  color: #0f172a;
  margin: 0;
  padding: 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.container {
  background: #fff;
  max-width: 500px;
  width: 100%;
  padding: 32px 24px;
  border-radius: 8px;
  box-shadow: 0 4px 14px rgba(15, 23, 42, .12);
  margin-bottom: 32px;
}
.brand-logo { display: block; max-width: 220px; width: 100%; margin: 0 auto 24px; }
h2 { margin-top: 0; text-align: center; }
p.subtitle { color: #64748b; font-size: 14px; text-align: center; margin-bottom: 24px; }
input[type="text"] {
  width: 100%; padding: 12px; margin: 8px 0 16px; border: 1px solid #cbd5e1;
  border-radius: 4px; font-size: 16px;
}
button {
  width: 100%; background: #2563eb; color: #fff; padding: 14px; border: 0;
  border-radius: 4px; font-size: 16px; font-weight: 700; cursor: pointer;
}
button:disabled { background: #94a3b8; cursor: not-allowed; }
.order-details { background: #f8fafc; padding: 16px; border-radius: 6px; border: 1px solid #e2e8f0; margin-bottom: 20px; }
.line-item { display: flex; justify-content: space-between; gap: 15px; margin-bottom: 8px; font-size: 14px; }
.totals { border-top: 1px solid #cbd5e1; padding-top: 12px; margin-top: 12px; font-weight: 700; }
.clover-field { border: 1px solid #cbd5e1; border-radius: 4px; min-height: 44px; margin-bottom: 12px; background: #fff; }
.error-msg { color: #dc2626; font-size: 14px; font-weight: 700; margin-bottom: 12px; text-align: center; }
.receipt-box { text-align: center; padding: 20px; }
.check-icon { font-size: 48px; color: #16a34a; margin-bottom: 10px; }
@media (max-width: 560px) { body { padding: 10px; } .container { padding: 24px 16px; } }