body {
    font-family: 'Roboto', sans-serif;
    background-color: #f4f7fa;
}

header {
    text-align: center;
    padding: 20px;
    background-color: #007bff;
    color: white;
}

.summary {
    display: flex;
    justify-content: space-around;
    padding: 20px;
}

.stat {
    background-color: #ffffff;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 20px;
}

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

th, td {
    padding: 8px;
    text-align: left;
}

canvas {
    margin-top: 20px;
}