body {
    margin: 0;
    font-family: Arial, sans-serif;
    background: #f5f5f5;
}

header {
    background: #1f2937;
    color: white;
    padding: 16px 24px;
}

main {
    padding: 24px;
}

.card {
    background: white;
    padding: 20px;
    border-radius: 8px;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 16px;
}

th,
td {
    border-bottom: 1px solid #ddd;
    padding: 12px;
    text-align: left;
}

th {
    background: #f2f2f2;
}