body {
    font-family: Arial, sans-serif;
    background-color: #f0f0f0;
    margin: 0;
    padding: 20px;
}

.container {
    max-width: 600px;
    margin: auto;
    background: white;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 0 15px rgba(0, 0, 0, 0.1);
}

h1 {
    text-align: center;
}

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

input {
    width: calc(100% - 12px);
    padding: 5px;
    margin-top: 5px;
    border: 1px solid #ddd;
    border-radius: 4px;
}

button {
    margin-top: 15px;
    width: 100%;
    padding: 10px;
    background-color: #007BFF;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
}

button:hover {
    background-color: #0056b3;
}

.results {
    margin-top: 20px;
    padding: 10px;
    background-color: #f8f9fa;
    border: 1px solid #ddd;
    border-radius: 5px;
}

canvas {
    display: block;
    margin: 20px auto;
    max-width: 100%;
}