body {
  font-family: Arial, Helvetica, sans-serif;
  background: #fff9db; /* kuning lembut */
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
}

.container {
  width: 350px;
  padding: 20px;
  background: #ffffff;
  border-radius: 12px;
  box-shadow: 0 0 15px rgba(0, 0, 0, 0.15);
  border: 2px solid #f1d400;
}

h2 {
  text-align: center;
  color: #e0b800;
}

label {
  font-size: 14px;
  font-weight: bold;
  color: #b38f00;
}

input {
  width: calc(100% - 16px);
  padding: 8px;
  margin: 6px 0 12px;
  border-radius: 6px;
  border: 2px solid #f1d400;
}

button {
  width: 100%;
  padding: 10px;
  font-size: 15px;
  background: #f1d400; /* kuning utama */
  color: white;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  transition: 0.3s ease;
}

button:hover {
  background: #d4b200; /* kuning lebih gelap */
}

#hasil {
  margin-top: 15px;
  font-size: 16px;
  background-color: #fff3a0;
  color: #b38f00;
  padding: 10px;
  text-align: center;
  border-radius: 6px;
}