.fc-day.green-day {
    background-color: var(--green-day-color, #b3f1b3);
}
.fc-day.red-day {
    background-color: var(--red-day-color, #E55C4A);
}
.fc .fc-highlight {
    background: rgba(0, 123, 255, 0.2); /* ou toute autre couleur */
}
.selected-day {
    background-color: rgba(0, 123, 255, 0.2) !important; /* Vert clair */
}
.selected-day .fc-highlight {
    background-color: unset !important; /* Vert clair */
}