/**
 * Calendar Component Styles
 */

/* ================================
   Calendar Container
   ================================ */

.calendar-wrapper {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.calendar-months {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

/* Dual month layout - stacked vertically */
.calendar-months-dual {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.calendar-month {
  flex: 1;
  min-width: 280px;
}

/* ================================
   Month Header
   ================================ */

.calendar-month-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-4);
}

.calendar-month-title {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: var(--font-semibold);
  color: var(--color-text-primary);
}

.calendar-nav-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  color: var(--color-text-secondary);
  transition: all var(--transition-fast);
}

.calendar-nav-btn:hover:not(:disabled) {
  background-color: var(--color-neutral-100);
  color: var(--color-text-primary);
}

.calendar-nav-btn:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}

.calendar-nav-btn svg {
  width: 20px;
  height: 20px;
}

/* ================================
   Calendar Grid
   ================================ */

.calendar-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 2px;
}

/* Weekday Headers */
.calendar-weekday {
  padding: var(--space-2);
  text-align: center;
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wider);
  color: var(--color-text-tertiary);
}

/* ================================
   Calendar Day
   ================================ */

.calendar-day {
  position: relative;
  aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  user-select: none;
}

.calendar-day:hover:not(.disabled):not(.blocked):not(.past) {
  background-color: var(--color-neutral-100);
}

/* Empty day (padding) */
.calendar-day.empty {
  cursor: default;
}

/* Past dates */
.calendar-day.past {
  color: var(--color-neutral-300);
  cursor: not-allowed;
}

/* Today */
.calendar-day.today {
  font-weight: var(--font-bold);
}

.calendar-day.today::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: 50%;
  transform: translateX(-50%);
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background-color: var(--color-primary-600);
}

/* ================================
   Changeover Days
   ================================ */

.calendar-day.changeover {
  background-color: var(--color-accent-50);
  color: var(--color-accent-700);
  font-weight: var(--font-semibold);
}

.calendar-day.changeover:hover:not(.disabled):not(.blocked):not(.past) {
  background-color: var(--color-accent-100);
}

/* Non-changeover days are less prominent */
.calendar-day.non-changeover:not(.disabled):not(.blocked):not(.past) {
  color: var(--color-text-tertiary);
}

/* ================================
   Blocked Dates
   ================================ */

.calendar-day.blocked {
  background-color: var(--color-neutral-100);
  color: var(--color-neutral-400);
  cursor: not-allowed;
  position: relative;
}

.calendar-day.blocked::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 70%;
  height: 2px;
  background-color: var(--color-neutral-400);
  transform: translate(-50%, -50%) rotate(-45deg);
}

/* ================================
   Selected Dates
   ================================ */

.calendar-day.selected {
  background-color: var(--color-primary-600) !important;
  color: var(--color-text-inverse) !important;
}

.calendar-day.selected.check-in {
  border-radius: var(--radius-md) 0 0 var(--radius-md);
}

.calendar-day.selected.check-out {
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

/* Single day selection (check-in only) */
.calendar-day.selected.check-in:not(.range) {
  border-radius: var(--radius-md);
}

/* Range between check-in and check-out */
.calendar-day.in-range {
  background-color: var(--color-primary-100);
  border-radius: 0;
}

/* First day of row in range */
.calendar-day.in-range.row-start,
.calendar-day.selected.check-in {
  border-radius: var(--radius-md) 0 0 var(--radius-md);
}

/* Last day of row in range */
.calendar-day.in-range.row-end,
.calendar-day.selected.check-out {
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

/* ================================
   Invalid Selection
   ================================ */

.calendar-day.invalid {
  cursor: not-allowed;
  opacity: 0.5;
}

/* ================================
   Date Selection Feedback
   ================================ */

.calendar-selection-info {
  margin-top: var(--space-4);
  padding: var(--space-3) var(--space-4);
  background-color: var(--color-primary-50);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  color: var(--color-primary-700);
}

.calendar-selection-info.error {
  background-color: var(--color-error-50);
  color: var(--color-error-700);
}

.calendar-selection-dates {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-4);
  margin-bottom: var(--space-2);
}

.calendar-date-label {
  font-weight: var(--font-semibold);
}

.calendar-date-value {
  font-family: var(--font-mono);
}

.calendar-nights {
  font-weight: var(--font-medium);
}

.calendar-clear-btn {
  font-size: var(--text-sm);
  color: var(--color-primary-600);
  text-decoration: underline;
  cursor: pointer;
}

.calendar-clear-btn:hover {
  color: var(--color-primary-800);
}

/* ================================
   Calendar Loading
   ================================ */

.calendar-loading {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 200px;
  color: var(--color-text-tertiary);
}

/* ================================
   Responsive Adjustments
   ================================ */

@media (max-width: 767px) {
  .calendar-month-header {
    padding: 0 var(--space-2);
  }

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

  .calendar-weekday {
    font-size: 10px;
    padding: var(--space-1);
  }
}