.calendar-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 4px;
}

.calendar-weekday {
  text-align: center;
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
  padding-bottom: var(--space-sm);
}

.calendar-cell {
  aspect-ratio: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  font-size: var(--font-size-sm);
  gap: 2px;
  position: relative;
}

.calendar-cell.has-data {
  background: var(--color-surface-alt);
}

.calendar-cell.selected {
  outline: 2px solid var(--color-accent);
}

.calendar-cell.today .day-num {
  color: var(--color-accent);
  font-weight: 700;
}

.calendar-cell .day-num {
  font-size: var(--font-size-xs);
}

.calendar-cell .dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--color-expense);
}

.calendar-day-detail {
  margin-top: var(--space-lg);
}