body {
  margin: 0;
  padding: 0;
  font-family: Arial, sans-serif;
  background: #f2f7f4;
  color: #222;
}

.container {
  max-width: 520px;
  margin: 40px auto;
  background: #ffffff;
  padding: 25px;
  border-radius: 8px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

h1 {
  text-align: center;
  margin-bottom: 5px;
}

.subtitle {
  text-align: center;
  font-size: 14px;
  color: #555;
  margin-bottom: 20px;
}

.group {
  display: flex;
  flex-direction: column;
  margin-bottom: 12px;
}

label {
  font-size: 13px;
  margin-bottom: 4px;
}

select {
  padding: 10px;
  font-size: 14px;
  border-radius: 4px;
  border: 1px solid #ccc;
}

button {
  width: 100%;
  padding: 12px;
  background: #2d9c5a;
  color: white;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  margin-top: 10px;
}

button:hover {
  background: #238048;
}

#resultBox {
  margin-top: 20px;
  padding: 15px;
  background: #eef7f1;
  border-radius: 6px;
}

.hidden {
  display: none;
}

#riskLevel {
  margin-top: 0;
}

ul {
  padding-left: 18px;
}

footer {
  text-align: center;
  font-size: 12px;
  color: #777;
  margin-top: 20px;
}