body {
    font-family: 'Roboto', sans-serif;
    background-color: #fdf4e3;
    color: #333;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

header {
    text-align: center;
    padding: 20px;
    background-color: #333;
    color: #fdf4e3;
    font-size: 2em;
    font-weight: 700;
}

main {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
}

.calculator {
    max-width: 600px;
    width: 100%;
    padding: 30px;
    background-color: #ffffff;
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.input-group {
    margin-bottom: 20px;
}

label {
    font-weight: bold;
    display: block;
    margin-bottom: 5px;
}

input[type="number"] {
    width: calc(100% - 20px);
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 5px;
    font-size: 1em;
}

button {
    width: 100%;
    padding: 15px;
    background-color: #333;
    color: #fdf4e3;
    border: none;
    border-radius: 5px;
    font-weight: bold;
    cursor: pointer;
    transition: background-color 0.3s;
}

button:hover {
    background-color: #555;
}

.results {
    margin-top: 30px;
    background-color: #f9f9f9;
    padding: 20px;
    border-radius: 5px;
    border: 1px solid #eee;
}

.results h2 {
    font-size: 1.5em;
    margin-bottom: 15px;
}

.results p {
    font-size: 1.2em;
    margin: 10px 0;
    display: flex;
    justify-content: space-between;
}

footer {
    text-align: center;
    padding: 20px;
    background-color: #333;
    color: #fdf4e3;
    font-weight: 300;
    font-size: 1em;
}