/* A separate sky strip keeps reminder clouds clear of date labels. */
.calendar-day .reminder-clouds {
  --cloud-width: 28px;
  --cloud-height: 8px;
  position: absolute;
  z-index: 0;
  top: 36px;
  right: 5px;
  bottom: auto;
  left: 5px;
  display: flex;
  flex-wrap: nowrap;
  align-items: flex-end;
  align-content: normal;
  gap: 16px;
  height: 16px;
  max-height: 16px;
  padding: 6px 6px 2px;
  overflow-x: auto;
  overflow-y: hidden;
  overscroll-behavior-x: contain;
  scrollbar-width: none;
  touch-action: pan-x pan-y;
  opacity: 1;
  -webkit-overflow-scrolling: touch;
}

.calendar-day .reminder-clouds::-webkit-scrollbar { display: none; }

.calendar-day .reminder-cloud {
  --cloud-opacity: 1;
  position: relative;
  display: block;
  flex: 0 0 var(--cloud-width);
  width: var(--cloud-width);
  height: var(--cloud-height);
  margin: 0;
  border: 0;
  border-radius: 50% 50% 7px 7px;
  background: linear-gradient(180deg, #fff 15%, #d6e7f1 100%);
  box-shadow: 0 1px 2px rgb(79 124 150 / 27%), inset 0 -1px rgb(136 179 203 / 18%);
  opacity: var(--cloud-opacity);
  transform: translate3d(0, 0, 0);
  animation: reminder-cloud-right-v43 var(--cloud-period, 32s) linear infinite;
  animation-delay: var(--cloud-delay, 0s);
}

.calendar-day .reminder-cloud::before,
.calendar-day .reminder-cloud::after {
  content: "";
  position: absolute;
  border: 0;
  border-radius: 50%;
  background: linear-gradient(180deg, #fff 10%, #edf5f9 100%);
}

.calendar-day .reminder-cloud::before {
  top: -4px;
  left: 4px;
  width: 11px;
  height: 10px;
}

.calendar-day .reminder-cloud::after {
  top: -6px;
  right: 4px;
  width: 14px;
  height: 12px;
}

.calendar-day .reminder-cloud.is-completed {
  --cloud-opacity: .65;
  background: linear-gradient(180deg, #fff 15%, #e1eaf0 100%);
}

/* Each cloud has its own space. The return happens while transparent. */
@keyframes reminder-cloud-right-v43 {
  0% { transform: translate3d(-5px, 0, 0); opacity: 0; }
  12% { opacity: var(--cloud-opacity); }
  82% { opacity: var(--cloud-opacity); }
  100% { transform: translate3d(9px, 0, 0); opacity: 0; }
}

.calendar-day.is-time-visible .reminder-clouds { opacity: .4; }

@media (hover: hover) and (pointer: fine) {
  .calendar-day:hover .reminder-clouds { opacity: .4; }
}

/* A narrow phone cell can reveal all its clouds with a horizontal swipe. */
@media (max-width: 720px) {
  .calendar-day .reminder-clouds {
    --cloud-width: 22px;
    --cloud-height: 7px;
    top: 32px;
    right: 3px;
    left: 3px;
    gap: 12px;
    height: 13px;
    max-height: 13px;
    padding: 4px 4px 2px;
  }

  .calendar-day .reminder-cloud::before {
    top: -3px;
    left: 3px;
    width: 8px;
    height: 8px;
  }

  .calendar-day .reminder-cloud::after {
    top: -4px;
    right: 3px;
    width: 10px;
    height: 9px;
  }
}

.calendar-day .reminder-cloud { animation-play-state: paused; }
.calendar-day.is-motion-visible .reminder-cloud { animation-play-state: running; }
html.calendar-motion-paused .calendar-day .reminder-cloud { animation-play-state: paused; }

@media (prefers-reduced-motion: reduce) {
  .calendar-day .reminder-cloud {
    animation: none;
    transform: none;
    opacity: var(--cloud-opacity);
  }
}