/* 日历样式 */
.calendar-container {
  background-color: var(--card-color);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  margin-bottom: 2rem;
}

.calendar-controls {
  display: flex;
  align-items: center;
  gap: 1rem;
}

#current-month-year {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-primary);
  min-width: 200px;
  text-align: center;
}

.calendar-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
}

.calendar-header {
  display: contents;
}

.calendar-day-header {
  background-color: var(--surface-color);
  padding: 1rem;
  text-align: center;
  font-weight: 600;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border-color);
}

.calendar-day {
  min-height: 120px;
  border-right: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
  padding: 0.5rem;
  position: relative;
  cursor: pointer;
  transition: var(--transition);
}

.calendar-day:hover {
  background-color: var(--surface-color);
}

.calendar-day:nth-child(7n) {
  border-right: none;
}

.calendar-day.other-month {
  color: var(--text-muted);
  background-color: var(--surface-color);
}

.calendar-day.today {
  background-color: rgba(37, 99, 235, 0.1);
}

.calendar-day.selected {
  background-color: rgba(37, 99, 235, 0.2);
}

.day-number {
  font-weight: 600;
  margin-bottom: 0.5rem;
  font-size: 0.875rem;
}

.calendar-day.today .day-number {
  background-color: var(--primary-color);
  color: white;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
}

.day-events {
  display: flex;
  flex-direction: column;
  gap: 2px;
  max-height: 80px;
  overflow: hidden;
}

.calendar-event {
  background-color: var(--primary-color);
  color: white;
  padding: 2px 6px;
  border-radius: 3px;
  font-size: 0.75rem;
  line-height: 1.2;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  cursor: pointer;
  transition: var(--transition);
}

.calendar-event:hover {
  transform: scale(1.02);
}

.calendar-event.new {
  background-color: var(--warning-color);
}

.calendar-event.important {
  background-color: var(--danger-color);
}

.calendar-event.normal {
  background-color: var(--info-color);
}

.events-overflow {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-align: center;
  margin-top: 2px;
}

.calendar-legend {
  display: flex;
  justify-content: center;
  gap: 2rem;
  padding: 1rem;
  background-color: var(--surface-color);
  border-top: 1px solid var(--border-color);
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.legend-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}

.legend-dot.new {
  background-color: var(--warning-color);
}

.legend-dot.important {
  background-color: var(--danger-color);
}

.legend-dot.normal {
  background-color: var(--info-color);
}

/* 日历响应式 */
@media (max-width: 768px) {
  .calendar-controls {
    flex-wrap: wrap;
    justify-content: center;
  }
  
  .calendar-day {
    min-height: 80px;
    padding: 0.25rem;
  }
  
  .day-events {
    max-height: 50px;
  }
  
  .calendar-event {
    font-size: 0.625rem;
    padding: 1px 4px;
  }
  
  .calendar-legend {
    flex-wrap: wrap;
    gap: 1rem;
  }
}

@media (max-width: 480px) {
  .calendar-day {
    min-height: 60px;
  }
  
  .calendar-day-header {
    padding: 0.5rem 0.25rem;
    font-size: 0.75rem;
  }
  
  .day-number {
    font-size: 0.75rem;
  }
  
  .calendar-event {
    font-size: 0.5rem;
  }
}