/* --- Structure générale --- */
.calendar {
  display: flex;
  flex-direction: column;
  background: #ffffff;
  border-radius: 1rem;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
  overflow: hidden;
  font-family: "Inter", "Segoe UI", sans-serif;
}

/* --- En-tête du mois --- */
.calendar .header {
  background: linear-gradient(135deg, #198754, #2aa84f);
  color: #fff;
  text-align: center;
  padding: 1.2rem;
  font-weight: 600;
  font-size: 1.25rem;
  letter-spacing: 1px;
  text-transform: uppercase;
  position: relative;
}

.calendar .header i {
  cursor: pointer;
  color: #fff;
  transition: opacity 0.2s ease;
}

.calendar .header i:hover {
  opacity: 0.75;
}

/* --- Jours de la semaine --- */
.calendar .days {
  display: flex;
  flex-wrap: wrap;
  border-top: 1px solid #e9ecef;
}

.calendar .days .day_name {
  width: calc(100% / 7);
  background: #f8f9fa;
  color: #495057;
  font-weight: 600;
  text-align: center;
  padding: 0.75rem 0;
  border-right: 1px solid #dee2e6;
  font-size: 0.85rem;
  text-transform: uppercase;
}

.calendar .days .day_name:last-child {
  border-right: none;
}

/* --- Cases de jours --- */
.calendar .days .day_num {
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  width: calc(100% / 7);
  border: 1px solid #f1f3f5;
  border-width: 0 1px 1px 0;
  min-height: 110px;
  padding: 0.5rem;
  font-weight: 500;
  color: #495057;
  background: #fff;
  transition: background-color 0.2s ease, transform 0.1s ease;
}

.calendar .days .day_num:hover {
  background: #f8f9fa;
  transform: translateY(-2px);
}

/* --- Numéro du jour --- */
.calendar .days .day_num span {
  font-size: 0.95rem;
  font-weight: 600;
  color: #198754;
  display: inline-flex;
  justify-content: center;
  align-items: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background-color: #eaf7ee;
}

/* --- Événements --- */
.calendar .days .day_num .event {
  display: block;
  margin-top: 6px;
  font-size: 0.75rem;
  padding: 3px 6px;
  border-radius: 6px;
  color: #fff;
  font-weight: 500;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.calendar .days .day_num .event.green {
  background-color: #51ce57;
}

.calendar .days .day_num .event.blue {
  background-color: #518fce;
}

.calendar .days .day_num .event.red {
  background-color: #ce5151;
}

/* --- Jours ignorés --- */
.calendar .days .day_num.ignore {
  background-color: #f8f9fa;
  color: #ced4da;
  cursor: not-allowed;
}

/* --- Jour sélectionné --- */
.calendar .days .day_num.selected {
  background-color: #d1e7dd;
  border-color: #198754;
}

/* --- Icônes --- */
.calendar .fas {
  color: #fff;
}

/* --- Liens --- */
.calendar a {
  text-decoration: none;
  color: inherit;
}

/* --- Responsive --- */
@media (max-width: 768px) {
  .calendar .header {
    font-size: 1.1rem;
    padding: 1rem;
  }

  .calendar .days .day_name {
    font-size: 0.75rem;
    padding: 0.5rem;
  }

  .calendar .days .day_num {
    min-height: 90px;
    padding: 0.4rem;
  }

  .calendar .days .day_num .event {
    font-size: 0.65rem;
  }
}