#calendar {
  max-width: 690px;
  margin: 40px auto;
  background: #fff;
  padding: 10px;
  border: 1px solid #ddd;
  color: #000;
}

.fc-tooltip {
  position: absolute;
  z-index: 10001;
  background: #fff;
  color: #333;
  border: 1px solid #ccc;
  padding: 8px;
  box-shadow: 0 0 8px rgba(0, 0, 0, 0.1);
  display: none;
  max-width: 250px;
  pointer-events: none;
}
.fc-daygrid-day.has-event .fc-daygrid-day-number {
  display: none;
}


.event-countdown {
  background: #f9f9f9;
  padding: 15px;
  border-left: 4px solid #333;
  font-family: Arial, sans-serif;
  max-width: 300px;
  margin: 20px auto;
  text-align: center;
  color: #000;
}
#countdown-timer {
  font-size: 1.5em;
  font-weight: bold;
  color: #d33;
}