body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f4f4f4;
}

.dashboard {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

header {
    background-color: #333;
    color: white;
    padding: 20px;
    text-align: center;
}

h1 {
    margin: 0;
}

main {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    margin-top: 20px;
}

.chart-section, .table-section {
    background-color: white;
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
    padding: 20px;
    flex: 1;
    min-width: 300px;
}

h2 {
    margin-top: 0;
    color: #333;
}

table {
    width: 100%;
    border-collapse: collapse;
}

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

th {
    background-color: #f2f2f2;
    font-weight: bold;
}

@media (max-width: 768px) {
    main {
        flex-direction: column;
    }
}

.table-container {
    overflow-x: auto;
    max-height: 400px;
    overflow-y: auto;
}

#salesTable tbody tr:hover {
    background-color: #f0f0f0;
    cursor: pointer;
}

.highlighted {
    background-color: #e0e0e0 !important;
}