.popup-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0,0,0,0.5);
  display: none;
  justify-content: center;
  align-items: center;
  z-index: 9999;
}

.popup-box {
  background: white;
  padding: 20px;
  border-radius: 12px;
  width: 360px;
  position: relative;
}

.popup-close {
  position: absolute;
  right: 10px;
  top: 8px;
  border: none;
  background: none;
  font-size: 24px;
  cursor: pointer;
}

.popup-today {
  display: block;
  margin-top: 10px;
  font-size: 14px;
}