.drop-zone {
    border: 2px dashed var(--pico-muted-border-color);
    border-radius: var(--pico-border-radius);
    padding: 2rem;
    text-align: center;
    cursor: pointer;
    transition: border-color 0.2s;
}
.drop-zone:hover, .drop-zone.drag-over {
    border-color: var(--pico-primary);
}
.error {
    color: var(--pico-color-red-500);
}
[role="group"] {
    margin-bottom: 1rem;
}
.tab {
    background: transparent;
    border: 1px solid var(--pico-muted-border-color);
    color: var(--pico-muted-color);
    padding: 0.5rem 1rem;
    cursor: pointer;
}
.tab.active {
    background: var(--pico-primary);
    color: var(--pico-primary-inverse);
    border-color: var(--pico-primary);
}
.overflow-auto {
    overflow-x: auto;
}
.report-table td, .report-table th {
    white-space: nowrap;
    padding: 0.3rem 0.6rem;
    font-size: 0.85rem;
}