#datepicker-dateSelect2 {
    z-index: 9999;
}


.datepicker__month-day--hovering {
    background-color: #376f5543;
    color: #fff;
}


/* Jours entre checkin et checkout */
.datepicker__month-day--selected {
  background-color: #d8e5dd;     /* version claire de ta couleur principale */
  color: #1f2520;
}

/* Premier et dernier jour du séjour */
.datepicker__month-day--first-day-selected,
.datepicker__month-day--last-day-selected {
  background-color: #2e5443;     /* couleur principale */
  color: #ffffff;
}

/* Aujourd’hui, si tu veux le garder discret */
.datepicker__month-day--today {
  background-color: transparent;
  border-color: #2e5443;
  color: #2e5443;
}