body {
    font-family: sans-serif;
    padding: 1rem;
}
.filters {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
    flex-wrap: wrap;
}
label {
    font-weight: bold;
}
canvas {
    max-width: 100%;
}
.tabs {
    display: flex;
    margin-bottom: 1rem;
    border-bottom: 1px solid #ccc;
}
.tab-button {
    padding: 0.5rem 1rem;
    border: none;
    border-bottom: 2px solid transparent;
    background: none;
    cursor: pointer;
    font-weight: bold;
}
.tab-button.active {
    border-color: #2563eb;
    color: #2563eb;
}
.tab-content {
    display: none;
}
.tab-content.active {
    display: block;
}
/* Style Y-axis labels */
.chartjs-axis-y .chartjs-axis-title {
    color: #2563eb; /* Match Rounds for combined chart, hourly chart overridden */
}
#hourlyChart .chartjs-axis-y .chartjs-axis-title {
    color: #16a34a; /* Match hourly chart */
}