/* ==========================================================================
   DateTime Picker Modal
   날짜/시간 선택 모달 컴포넌트 (Friend Picker와 동일한 스타일)
   ========================================================================== */

.datetime-picker-modal {
  position: fixed;
  inset: 0;
  z-index: calc(var(--z-popover) + 10);
}

.datetime-picker-backdrop {
  position: absolute;
  inset: 0;
  background: transparent;
}

.datetime-picker-sheet {
  position: fixed;
  left: var(--spacing-list-sm);
  right: var(--spacing-list-sm);
  bottom: var(--spacing-list-sm);
  top: calc(env(safe-area-inset-top) + var(--spacing-1));
  background: var(--color-bg-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-modal);
  padding: 0 var(--spacing-section) var(--spacing-section);
  display: flex;
  flex-direction: column;
}

.datetime-picker-modal.hidden {
  display: none;
}

/* ---------------------------------------------------------------------------
   Search Input (keeps keyboard open like friend picker)
   --------------------------------------------------------------------------- */
.datetime-picker-search {
  padding: 0 0 var(--spacing-list-sm);
}

.datetime-picker-search-input {
  width: 100%;
  height: 28px;
  padding: 0 var(--spacing-list-sm);
  font-size: var(--font-size-xs);
  color: var(--color-text-primary);
  background: transparent;
  border: 1px solid var(--color-border-soft);
  border-radius: var(--radius-sm);
  outline: none;
  box-sizing: border-box;
}

.datetime-picker-search-input::placeholder {
  color: var(--color-text-muted);
}

.datetime-picker-search-input:focus {
  border-color: var(--color-border-soft);
}

/* ---------------------------------------------------------------------------
   Header
   --------------------------------------------------------------------------- */
.datetime-picker-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-list-sm) 0;
}

.datetime-picker-title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  letter-spacing: var(--letter-spacing-tight);
}

.datetime-picker-close {
  width: var(--btn-height-sm);
  height: var(--btn-height-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--color-text-primary);
  -webkit-user-select: none;
  user-select: none;
  touch-action: manipulation;
}

.datetime-picker-done {
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  letter-spacing: var(--letter-spacing-tight);
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--spacing-list-sm) var(--spacing-list-md);
  -webkit-user-select: none;
  user-select: none;
  touch-action: manipulation;
}

/* ---------------------------------------------------------------------------
   Content
   --------------------------------------------------------------------------- */
.datetime-picker-content {
  padding: 0;
  flex: 1;
  min-height: 0;
  overflow-x: hidden;
  overflow-y: auto;
}

/* ---------------------------------------------------------------------------
   Month Navigation
   --------------------------------------------------------------------------- */
.datetime-month-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--spacing-list-sm);
}

.datetime-nav-btn {
  width: var(--btn-height-sm);
  height: var(--btn-height-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg-white);
  border: 1px solid var(--color-border-soft);
  border-radius: var(--radius-base);
  cursor: pointer;
  color: var(--color-text-primary);
  -webkit-user-select: none;
  user-select: none;
  touch-action: manipulation;
}

.datetime-month-label {
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  letter-spacing: var(--letter-spacing-tight);
}

/* ---------------------------------------------------------------------------
   Calendar (no separate background - uses parent background)
   --------------------------------------------------------------------------- */
.datetime-calendar {
  margin-bottom: 0;
}

.datetime-weekdays {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  text-align: center;
  margin-bottom: var(--spacing-1);
}

.datetime-weekdays span {
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
  padding: 2px;
}

.datetime-days {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: var(--spacing-1);
}

/* ---------------------------------------------------------------------------
   Day Cell
   --------------------------------------------------------------------------- */
.datetime-day {
  width: 36px;
  height: 36px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-md);
  color: var(--color-text-primary);
  border-radius: var(--radius-full);
  cursor: pointer;
  -webkit-user-select: none;
  user-select: none;
  touch-action: manipulation;
  border: none;
  background: transparent;
  position: relative;
  isolation: isolate;
}

.datetime-day:active {
  background: var(--color-bg-secondary);
}

.datetime-day.other-month {
  color: var(--color-text-muted);
}

.datetime-day.selected {
  color: var(--color-text-inverse);
}

.datetime-day.selected::after {
  content: '';
  position: absolute;
  width: 24px;
  height: 24px;
  background: var(--color-fill-dark);
  border-radius: 50%;
  z-index: -1;
}

.datetime-day.today {
  color: var(--color-accent-red);
}

.datetime-day.today.selected {
  color: var(--color-text-inverse);
}

/* ---------------------------------------------------------------------------
   Divider between calendar and time section
   --------------------------------------------------------------------------- */
.datetime-divider {
  height: 1px;
  background: var(--color-border-soft);
  margin: var(--spacing-section) 0;
}

/* ---------------------------------------------------------------------------
   Time Section (outside scrollable content)
   --------------------------------------------------------------------------- */
.datetime-time-section {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0;
  background: var(--color-bg-white);
  position: relative;
  z-index: 1;
}

.datetime-time-label {
  font-size: var(--font-size-md);
  color: var(--color-text-primary);
}

.datetime-time-selectors {
  display: flex;
  align-items: center;
  gap: var(--spacing-1);
}

/* ---------------------------------------------------------------------------
   Time Adjustment Buttons
   --------------------------------------------------------------------------- */
.time-adj-btn {
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg-white);
  border: 1px solid var(--color-border-soft);
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
  -webkit-user-select: none;
  user-select: none;
  touch-action: manipulation;
}

.time-adj-btn:active {
  background: var(--color-gray-200);
}

.time-value {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  min-width: var(--avatar-size-sm);
  text-align: center;
}

.datetime-time-colon {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  padding: 0 2px;
}

.time-ampm-btn {
  min-width: 44px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg-white);
  border: 1px solid var(--color-border-soft);
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  margin-left: var(--spacing-list-sm);
  -webkit-user-select: none;
  user-select: none;
  touch-action: manipulation;
}

.time-ampm-btn:active {
  background: var(--color-gray-200);
}