body {
    font-family: Arial, sans-serif;
    background-color: #f9f9f9;
    color: #333;
    margin: 0;
    padding: 20px;
}

h1 {
    text-align: center;
    color: #4A90E2;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
    border: 1px solid #ddd;
    border-radius: 8px;
    background-color: #ffffff;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

label {
    display: block;
    margin: 10px 0 5px;
    font-weight: bold;
}

input[type="number"] {
    width: calc(100% - 22px);
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 4px;
    font-size: 16px;
}

input[type="number"]:focus {
    border-color: #4A90E2;
    outline: none;
}

.pile-input {
    margin-bottom: 15px;
}

button {
    background-color: #4A90E2;
    color: white;
    padding: 10px 15px;
    border: none;
    border-radius: 5px;
    font-size: 16px;
    cursor: pointer;
    transition: background-color 0.3s;
    display: block;
    margin: 20px auto;
}

button:hover {
    background-color: #357ABD;
}

.table-container {
    margin-top: 20px;
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 10px;
}

table, th, td {
    border: 1px solid #ccc;
}

th, td {
    padding: 10px;
    text-align: center;
}

th {
    background-color: #f1f1f1;
}

td input {
    width: 60px;
    padding: 5px;
    margin: 0 auto;
    text-align: center;
}

.result {
    font-size: 20px;
    font-weight: bold;
    color: #4A90E2;
    text-align: center;
    margin-top: 20px;
}