:root {
    --flatpicker-theme: #569ff7;
}

.flatpickr-calendar {
    --flatpicker-theme: var(--bs-theme, #569ff7);
}

.flatpickr-day.selected,
.flatpickr-day.startRange,
.flatpickr-day.endRange,
.flatpickr-day.selected.inRange,
.flatpickr-day.startRange.inRange,
.flatpickr-day.endRange.inRange,
.flatpickr-day.selected:focus,
.flatpickr-day.startRange:focus,
.flatpickr-day.endRange:focus,
.flatpickr-day.selected:hover,
.flatpickr-day.startRange:hover,
.flatpickr-day.endRange:hover,
.flatpickr-day.selected.prevMonthDay,
.flatpickr-day.startRange.prevMonthDay,
.flatpickr-day.endRange.prevMonthDay,
.flatpickr-day.selected.nextMonthDay,
.flatpickr-day.startRange.nextMonthDay,
.flatpickr-day.endRange.nextMonthDay {
    background: var(--flatpicker-theme, #569ff7);
    -webkit-box-shadow: none;
    box-shadow: none;
    color: #fff;
    border-color: var(--flatpicker-theme, #569ff7);
}

    .flatpickr-day.selected.startRange + .endRange:not(:nth-child(7n + 1)),
    .flatpickr-day.startRange.startRange + .endRange:not(:nth-child(7n + 1)),
    .flatpickr-day.endRange.startRange + .endRange:not(:nth-child(7n + 1)) {
        -webkit-box-shadow: -10px 0 0 var(--flatpicker-theme, #569ff7);
        box-shadow: -10px 0 0 var(--flatpicker-theme, #569ff7);
    }

.flatpickr-day.week.selected {
    border-radius: 0;
    -webkit-box-shadow: -5px 0 0 var(--flatpicker-theme, #569ff7), 5px 0 0 var(--flatpicker-theme, #569ff7);
    box-shadow: -5px 0 0 var(--flatpicker-theme, #569ff7), 5px 0 0 var(--flatpicker-theme, #569ff7);
}