/* General Styles */
body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f4f4f4;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
    background-color: #ffffff;
    border-radius: 10px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

h1 {
    text-align: center;
    color: #333;
    margin-bottom: 20px;
}

form {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

label {
    font-size: 1rem;
    font-weight: bold;
    color: #333;
}

input, select {
    padding: 8px;
    font-size: 1rem;
    border: 1px solid #ccc;
    border-radius: 5px;
    background-color: #f9f9f9;
    width: 100%;
}

input[type="number"] {
    -moz-appearance: textfield;
}

input[type="number"]::-webkit-outer-spin-button,
input[type="number"]::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

button {
    padding: 10px;
    background-color: #4CAF50;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 1rem;
    transition: background-color 0.3s ease;
}

button:hover {
    background-color: #45a049;
}

.result {
    margin-top: 20px;
    padding: 20px;
    background-color: #e8f5e9;
    border-radius: 5px;
    border: 1px solid #4CAF50;
    color: #388e3c;
    font-weight: bold;
    text-align: center;
}

a {
    display: block;
    text-align: center;
    margin-top: 20px;
    text-decoration: none;
    color: #4CAF50;
    font-size: 1.2rem;
}

a:hover {
    color: #388e3c;
}