body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f4f8fb;
    color: #333;
    text-align: center;
    padding: 30px;
}

h1,
h2 {
    color: #2b4f81;
}

canvas {
    margin: 30px auto;
    display: block;
    max-width: 100%;
    background-color: #fff;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
    border-radius: 12px;
}

#interaction {
    background: #ffffff;
    margin-top: 40px;
    padding: 20px;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.07);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

#tagSelect {
    font-size: 16px;
    padding: 8px;
    margin-top: 10px;
    margin-bottom: 15px;
    border-radius: 6px;
    border: 1px solid #ccc;
}

button {
    padding: 10px 18px;
    background-color: #2b4f81;
    color: white;
    border: none;
    border-radius: 6px;
    cursor: pointer;
}

button:hover {
    background-color: #3b6aa0;
}

#insightResult {
    margin-top: 20px;
    font-size: 16px;
    color: #444;
    line-height: 1.6;
}