body {
  font-family: 'Segoe UI', sans-serif;
  background: linear-gradient(to bottom, #d0f0c0, #f0f8ff);
  text-align: center;
  padding: 2em;
}

h1 {
  color: #2e7d32;
  margin-bottom: 1em;
}

label, select {
  font-size: 16px;
  margin-bottom: 1em;
}

.card {
  background: #ffffff;
  border-radius: 12px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
  padding: 2em;
  max-width: 500px;
  margin: 1em auto;
  font-size: 18px;
  line-height: 1.6;
}