body {
    font-family: Arial, sans-serif;
    margin: 20px;
    background-color: #f5f5f5;
}
.container {
    max-width: 1200px;
    margin: auto;
    background: white;
    padding: 20px;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
}
h1 {
    text-align: center;
    color: #333;
}
#status {
    text-align: center;
    margin: 10px 0;
    font-style: italic;
    color: #666;
}
.table-container {
    margin-bottom: 30px;
}
table {
    width: 100%;
    border-collapse: collapse;
}
thead {
    background-color: #f0f0f0;
}
th, td {
    padding: 8px;
    border: 1px solid #ddd;
    text-align: left;
}
th {
    font-weight: bold;
}
tbody tr:hover {
    background-color: #f9f9f9;
}
.selection-info {
    margin-top: 10px;
    font-size: 0.9em;
    color: #555;
}
.chart-container {
    border-top: 1px solid #eee;
    padding-top: 20px;
}
canvas {
    max-width: 100%;
    height: auto;
}