body {
  font-family: Arial, sans-serif;
  background: linear-gradient(120deg, #d4fc79, #96e6a1);
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
  margin: 0;
}

.container {
  background: white;
  padding: 20px 30px;
  border-radius: 15px;
  box-shadow: 0px 4px 15px rgba(0,0,0,0.2);
  text-align: center;
  width: 350px;
}

h1 {
  color: #2e7d32;
}

label {
  display: block;
  margin-top: 15px;
  font-weight: bold;
}

input, select, button {
  width: 100%;
  padding: 10px;
  margin-top: 8px;
  border-radius: 8px;
  border: 1px solid #ccc;
}

button {
  background: #2e7d32;
  color: white;
  border: none;
  margin-top: 20px;
  cursor: pointer;
}

button:hover {
  background: #1b5e20;
}

#result {
  margin-top: 20px;
  font-size: 18px;
  font-weight: bold;
}