/* ==========================================================================
   Week Picker Component
   날짜/주 선택 피커 컴포넌트
   ========================================================================== */

.week-picker {
  position: relative;
}

/* ---------------------------------------------------------------------------
   Trigger Button
   --------------------------------------------------------------------------- */
.week-picker__trigger {
  width: 100%;
  height: var(--btn-height-md);
  padding: 0 var(--spacing-list-md);
  font-family: var(--font-family-primary);
  font-size: var(--font-size-sm);
  color: var(--color-text-primary);
  background: var(--color-bg-white);
  border: 1px solid var(--color-border-soft);
  border-radius: var(--radius-base);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: var(--spacing-list-sm);
  transition: border-color 0.15s ease;
}

.week-picker__trigger:hover {
  border-color: var(--color-text-secondary);
}

.week-picker__trigger svg:first-child {
  color: var(--color-text-secondary);
  flex-shrink: 0;
}

.week-picker__trigger span {
  flex: 1;
  text-align: left;
}

.week-picker__trigger svg:last-child {
  color: var(--color-text-muted);
  flex-shrink: 0;
}

/* ---------------------------------------------------------------------------
   Dropdown
   --------------------------------------------------------------------------- */
.week-picker__dropdown {
  position: absolute;
  top: calc(100% + var(--spacing-list-sm));
  left: 0;
  right: 0;
  background: var(--color-bg-white);
  border: 1px solid var(--color-border-soft);
  border-radius: var(--radius-base);
  box-shadow: var(--shadow-dropdown);
  padding: var(--spacing-list-sm);
  z-index: var(--z-popover);
}

/* ---------------------------------------------------------------------------
   Header
   --------------------------------------------------------------------------- */
.week-picker__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--spacing-list-sm);
}

.week-picker__nav {
  width: 28px;
  height: 28px;
  background: none;
  border: none;
  border-radius: var(--radius-base);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-secondary);
  transition: background-color 0.15s ease;
}

.week-picker__nav:hover {
  background: var(--color-bg-primary);
}

.week-picker__month {
  font-family: var(--font-family-primary);
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  letter-spacing: var(--letter-spacing-tight);
}

/* ---------------------------------------------------------------------------
   Calendar Grid
   --------------------------------------------------------------------------- */
.week-picker__weekdays {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 0;
  margin-bottom: var(--spacing-1);
}

.week-picker__weekdays span {
  font-family: var(--font-family-primary);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-muted);
  text-align: center;
  padding: 2px;
  letter-spacing: var(--letter-spacing-tight);
}

.week-picker__days {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

/* ---------------------------------------------------------------------------
   Week Row (clickable unit)
   --------------------------------------------------------------------------- */
.week-picker__week {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 0;
  padding: var(--spacing-1) 2px;
  border-radius: var(--radius-lg);
  transition: background-color 0.15s ease;
}

.week-picker__week--selectable {
  cursor: pointer;
}

.week-picker__week--selectable:hover {
  background: var(--color-bg-primary);
}

.week-picker__week--selected,
.week-picker__week--selected:hover,
.week-picker__week--selected.week-picker__week--selectable:hover {
  background: var(--color-fill-dark) !important;
}

.week-picker__week--selected .week-picker__day,
.week-picker__week--selected:hover .week-picker__day {
  color: var(--color-bg-white) !important;
}

.week-picker__week--selected .week-picker__day--other-month,
.week-picker__week--selected:hover .week-picker__day--other-month {
  color: rgba(255, 255, 255, 0.5) !important;
}

/* ---------------------------------------------------------------------------
   Day Cells
   --------------------------------------------------------------------------- */
.week-picker__day {
  width: 100%;
  height: 24px;
  font-family: var(--font-family-primary);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-primary);
  letter-spacing: var(--letter-spacing-tight);
  background: none;
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
}

.week-picker__day--sunday {
  font-weight: var(--font-weight-semibold);
}

.week-picker__day--other-month {
  color: var(--color-text-muted);
}

.week-picker__day--disabled {
  color: var(--color-text-muted);
}

/* ---------------------------------------------------------------------------
   Inline Variant (always visible, no dropdown positioning)
   --------------------------------------------------------------------------- */
.week-picker--inline .week-picker__dropdown {
  position: static;
  border: none;
  box-shadow: none;
  padding: 0;
  z-index: auto;
}

/* ==========================================================================
   Date Picker Component (Form Date/DateTime fields)
   week-picker와 동일한 스타일, 개별 날짜 선택용
   ========================================================================== */

.date-picker {
  position: relative;
}

/* Trigger - same as week picker */
.date-picker__trigger {
  width: 100%;
  height: var(--btn-icon-size);
  padding: 0 var(--spacing-list-md);
  font-family: var(--font-family-primary);
  font-size: var(--font-size-sm);
  color: var(--color-text-primary);
  background: var(--color-bg-white);
  border: 1px solid var(--color-border-soft);
  border-radius: var(--radius-base);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: var(--spacing-list-sm);
  transition: border-color 0.15s ease;
}

.date-picker__trigger:hover {
  border-color: var(--color-text-secondary);
}

.date-picker__trigger svg {
  color: var(--color-text-secondary);
  flex-shrink: 0;
  width: var(--icon-size-sm);
  height: var(--icon-size-sm);
}

.date-picker__trigger span {
  flex: 1;
  text-align: left;
}

/* Dropdown - same as week picker */
.date-picker__dropdown {
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  right: 0;
  background: var(--color-bg-white);
  border: 1px solid var(--color-border-soft);
  border-radius: var(--radius-base);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.12);
  padding: var(--spacing-list-sm);
  z-index: var(--z-popover);
}

/* Header - same as week picker */
.date-picker__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--spacing-list-sm);
}

.date-picker__nav {
  width: 28px;
  height: 28px;
  background: none;
  border: none;
  border-radius: var(--radius-base);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-secondary);
  transition: background-color 0.15s ease;
}

.date-picker__nav:hover {
  background: var(--color-bg-primary);
}

.date-picker__month {
  font-family: var(--font-family-primary);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
}

/* Calendar Grid - same as week picker */
.date-picker__weekdays {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 0;
  margin-bottom: var(--spacing-1);
}

.date-picker__weekdays span {
  font-family: var(--font-family-primary);
  font-size: var(--font-size-2xs);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-muted);
  text-align: center;
  padding: 2px;
}

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

/* Day Cells - clickable individually (matches datetime-picker modal style) */
.date-picker__day {
  width: 36px;
  height: 36px;
  margin: 0 auto;
  font-family: var(--font-family-primary);
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-primary);
  background: transparent;
  border: none;
  border-radius: var(--radius-full);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  isolation: isolate;
  -webkit-user-select: none;
  user-select: none;
  touch-action: manipulation;
}

.date-picker__day:active {
  background: var(--color-bg-secondary);
}

.date-picker__day--sunday {
  font-weight: var(--font-weight-semibold);
}

.date-picker__day--other-month {
  color: var(--color-text-muted);
}

.date-picker__day--selected {
  color: var(--color-text-inverse);
}

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

.date-picker__day--today {
  color: var(--color-accent-red);
}

.date-picker__day--today.date-picker__day--selected {
  color: var(--color-text-inverse);
}

/* Time section inside date-picker dropdown */
.date-picker__dropdown .datetime-divider {
  height: 1px;
  background: var(--color-border-soft);
  margin: var(--spacing-section) 0;
}

.date-picker__dropdown .datetime-time-section {
  padding: 0 var(--spacing-list-sm) var(--spacing-list-sm);
}