.calendar-container {
  width: 100%;
  max-width: 600px;
  min-width: 280px;
  margin: 0 auto;
  background: rgba(30, 144, 255, 0.18);
  border-radius: 24px;
  box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.37);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.18);
  padding: 1rem 1rem 0.5rem 1rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  min-height: 250px;
  height: auto;
}
.calendar-header {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 1.3rem;
  font-weight: 600;
  color: white;
  margin-bottom: 1rem;
}

.calendar-arrow {
  background: rgba(30, 144, 255, 0.25);
  border: none;
  border-radius: 50%;
  width: 2.2rem;
  height: 2.2rem;
  font-size: 1.3rem;
  color: white;
  cursor: pointer;
  transition: background 0.2s;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
}

.calendar-arrow:hover {
  background: rgba(30, 144, 255, 0.45);
}
.calendar-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 0.5rem;
  width: 100%;
}
.calendar-dayname {
  font-weight: 500;
  color: #0a355c;
  text-align: center;
  padding: 0.5rem;
  background: rgba(255, 255, 255, 0.12);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 2rem;
  height: 2rem;
}

.calendar-cell {
  background: rgba(255, 255, 255, 0.25);
  border-radius: 12px;
  min-height: 2rem;
  aspect-ratio: 1/1;
  display: flex;
  align-items: flex-end;
  justify-content: flex-end;
  font-size: 1.1rem;
  color: #0a355c;
  position: relative;
  overflow: visible;
  transition: box-shadow 0.2s;
}

.calendar-cell.today {
  border: 2px solid rgba(200, 200, 200, 0.8) !important;
}
.cell-part {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 33.33%;
  height: 100%;
  pointer-events: auto;
  transition: background 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: 2;
}
.cell-part.left {
  left: 0;
  border-top-left-radius: 12px;
  border-bottom-left-radius: 12px;
}
.cell-part.middle {
  left: 33.33%;
}
.cell-part.right {
  right: 0;
  border-top-right-radius: 12px;
  border-bottom-right-radius: 12px;
}
.cell-part.event-full,
.cell-part.event-middle,
.cell-part.event-start,
.cell-part.event-end {
  z-index: 2;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
.cell-part.event-hover,
.cell-part.event-hover-start,
.cell-part.event-hover-end {
  filter: brightness(1.15) saturate(1.2) !important;
  z-index: 3;
}
.calendar-cell span {
  position: relative;
  z-index: 4;
  padding: 0.2rem 0.4rem;
}
@media (max-width: 600px) {
  .calendar-container {
    max-width: 100%;
    min-width: 0;
    padding: 0.5rem 0.2rem;
  }
  .calendar-header {
    font-size: 1rem;
  }
  .calendar-cell {
    font-size: 0.9rem;
    min-height: 1.5rem;
  }
}

.cell-part.event-single-day-orange {
  background: rgba(255, 140, 0, 0.5) !important; /* orange, opacity 0.5 */
  z-index: 3;
}