body {
  margin: 0;
  min-height: 100vh;
  display: grid;
  place-items: center;
  font-family: Arial, sans-serif;
  background: #f5f7ff;
  color: #111827;
}

.wrap {
  padding: 24px;
  border: 1px solid #d1d5db;
  border-radius: 12px;
  background: #ffffff;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
}