.learning-chart h3 {
  margin: 0;
  font-size: 18px;
  line-height: 1.4;
  color: #eff5ff;
}
.learning-data-note {
  margin: 0;
  color: #9ab8cc;
  font-size: 12px;
  line-height: 1.5;
}
.learning-status {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}
.learning .day-grid .course-card {
  position: relative;
  outline: 2px solid transparent;
  outline-offset: 5px;
  transition: opacity 300ms ease, outline-color 300ms ease, transform 700ms ease;
  transition-delay: 0ms;
}
.learning .day-grid .course-card.is-muted { opacity: .5; }
.learning .day-grid .course-card.is-muted:hover,
.learning .day-grid .course-card.is-muted:focus-within { opacity: .85; }
.learning .day-grid .course-card.is-selected { outline-color: #a9c7ff; }
html.motion-ready .learning .course-card.reveal:not(.is-visible) { opacity: 0; }
.course-select {
  position: absolute;
  inset: 0;
  z-index: 1;
  width: 100%;
  height: 100%;
  border: 0;
  border-radius: inherit;
  background: transparent;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}
.course-select:focus-visible { outline: 3px solid #a9c7ff; outline-offset: 5px; }
@media (prefers-reduced-motion: reduce) {
  .learning .day-grid .course-card { transition: none; }
}