/* General styles */
body {
  background-color: #f4f7f9;
  font-family: 'Roboto', sans-serif;
  margin: 0;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
  color: #333;
}

.wrapper {
  width: 100%;
  max-width: 500px;
  margin: auto;
  padding: 0 20px;
  text-align: center;
}

.header {
  background-color: #007bff;
  padding: 20px;
  border-radius: 12px 12px 0 0;
  color: white;
}

.title {
  font-size: 24px;
  margin: 0;
  font-family: 'Poppins', sans-serif;
}

.container {
  background-color: #fff;
  padding: 30px;
  border-radius: 0 0 12px 12px;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
  border: 1px solid #e2e8f0;
}

.form-group {
  margin-bottom: 15px;
  text-align: left;
}

label {
  font-size: 14px;
  font-weight: bold;
  color: #555;
}

select, input[type="number"] {
  width: 100%;
  padding: 10px;
  margin-top: 5px;
  border: 1px solid #ccc;
  border-radius: 6px;
  font-size: 14px;
  color: #333;
}

button {
  background-color: #007bff;
  color: white;
  padding: 12px 20px;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  font-size: 16px;
  font-weight: bold;
  transition: background-color 0.3s ease, transform 0.3s ease;
  width: 100%;
}

button:hover {
  background-color: #0056b3;
  transform: translateY(-2px);
}

button:active {
  background-color: #003e80;
}

#result {
  font-size: 18px;
  color: #007bff;
  margin-top: 20px;
  font-weight: bold;
}

/* Responsive Design */
@media (max-width: 600px) {
  .wrapper {
      padding: 10px;
  }

  .container {
      padding: 20px;
  }

  .title {
      font-size: 20px;
  }

  button {
      font-size: 14px;
  }

  #result {
      font-size: 16px;
  }
}