/* Django admin date/time picker popups (calendar.js / DateTimeShortcuts.js)
 * are appended to <body> with a low z-index. Unfold's list-filter sheet
 * (#changelist-filter) is a fixed, dimming backdrop at z-60, so on non-2xl
 * layouts the calendar renders *behind* it -- visible but greyed out and
 * unclickable. Lift the popups above the filter sheet so date-range filters
 * are usable. */
.calendarbox,
.clockbox {
    z-index: 1000 !important;
}