/**
 * Datepicker Component Styles
 *
 * Wiederverwendbare Styles fuer die Datepicker-Komponente mit Custom Calendar.
 * Basiert auf dem audatis MANAGER Design-System.
 *
 * Features:
 * - Custom Kalender-Dropdown (linksbuendig unter dem Feld)
 * - "Heute" Button zum schnellen Auswaehlen
 * - "Leeren" Button zum Zuruecksetzen
 * - Verknuepfte Datumsbereiche (von-bis mit automatischem Mindestdatum)
 *
 * Verwendung:
 *   <link rel="stylesheet" href="/public/css/components/datepicker.css">
 */

/* ========================================
   Datepicker Component Container
   ======================================== */
.datepicker-component {
  position: relative;
  max-width: 200px;
}

.grid-3 .datepicker-component {
  max-width: 100%;
}

.date-input-wrapper {
  position: relative;
  display: flex;
  align-items: center;
  flex: 1;
}

/* ========================================
   Text Input (visible) - Underline Style
   ======================================== */
.date-input-wrapper input.date-picker {
  width: 100%;
  padding: 10px 36px 10px 0;
  border: none;
  border-bottom: 1px solid var(--border-color, #e5e7eb);
  border-radius: 0;
  font-family: inherit;
  font-size: 14px;
  background-color: transparent;
  color: var(--text-primary, #1e293b);
  transition: border-color 0.2s;
  box-sizing: border-box;
  margin-top: 2px;
}

.date-input-wrapper input.date-picker::placeholder {
  color: var(--text-muted, #6b7280);
}

.date-input-wrapper input.date-picker:hover {
  border-bottom-color: var(--grey-400, #9ca3af);
}

.date-input-wrapper input.date-picker:focus {
  outline: none;
  border-bottom: 1px solid var(--primary-color, #007abb);
  padding-bottom: 9px;
}

.date-input-wrapper input.date-picker:disabled {
  background-color: transparent;
  cursor: not-allowed;
  opacity: 0.7;
}

/* ========================================
   Native Date Input (hidden)
   ======================================== */
.date-input-wrapper .date-picker-native {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
  pointer-events: none;
}

.form-group .date-picker {
  min-height: 40px;
  padding: 8px 0;
}

/* ========================================
   Calendar Icon Button
   ======================================== */
.date-input-wrapper .date-icon-btn {
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  padding: 6px;
  cursor: pointer;
  color: var(--text-muted, #6b7280);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 4px;
  transition: color 0.2s;
}

.date-input-wrapper .date-icon-btn:hover:not(:disabled) {
  background-color: var(--grey-100, #f3f4f6);
  color: var(--primary-color, #007abb);
}

.date-input-wrapper .date-icon-btn:disabled {
  cursor: not-allowed;
  opacity: 0.5;
}

.date-input-wrapper .date-icon-btn svg {
  pointer-events: none;
}

/* ========================================
   Date Range Layout Helper
   ======================================== */
.filter-date-range {
  display: flex;
  align-items: center;
  gap: 8px;
}

.filter-date-range span {
  color: var(--text-muted, #6b7280);
  font-size: 13px;
}

/* ========================================
   Custom Calendar Dropdown
   ======================================== */
.datepicker-calendar {
  display: none;
  position: fixed;
  /* top/left werden per JS gesetzt */
  background-color: var(--surface, #ffffff);
  border: 1px solid var(--border-color, #e5e7eb);
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  z-index: 10001;
  min-width: 280px;
  padding: 12px;
  /* Calendar wird per JS in <body> umgehaengt — daher hier explizit
     den App-Font-Stack setzen, sonst greift der UA-Default (Arial). */
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

/* Buttons im Calendar (Monat/Jahr-Header, Tageszahlen, Footer) erben den
   Font-Stack vom Kalender — der UA-Default fuer button waere sonst Arial. */
.datepicker-calendar button {
  font-family: inherit;
}

.datepicker-calendar.show {
  display: block;
  animation: calendarAppear 0.15s ease-out;
}

@keyframes calendarAppear {
  from {
    opacity: 0;
    transform: translateY(-8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Calendar Header */
.calendar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}

.calendar-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  padding: 0;
  border: none;
  background: none;
  cursor: pointer;
  color: var(--text-muted, #6b7280);
  border-radius: 6px;
  transition: all 0.15s;
}

.calendar-nav:hover {
  background-color: var(--grey-100, #f3f4f6);
  color: var(--text-primary, #1e293b);
}

.calendar-month-year {
  flex: 1;
  text-align: center;
  font-weight: 600;
  font-size: 15px;
  color: var(--text-primary, #1e293b);
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px 8px;
  border-radius: 4px;
  transition: background-color 0.15s;
}

.calendar-month-year:hover {
  background-color: var(--grey-100, #f3f4f6);
}

/* ========================================
   Month/Year Selector (wird oberhalb des Kalenders angezeigt)
   ======================================== */
.month-year-selector {
  display: none;
  padding: 8px 0;
  margin-bottom: 8px;
  border-bottom: 1px solid var(--border-color, #e5e7eb);
}

.datepicker-calendar.show-month-year-selector .month-year-selector {
  display: block;
}

/* Kalender-Tage bleiben immer sichtbar */

.month-year-selector-row {
  display: flex;
  gap: 12px;
}

/* Searchable Select innerhalb des Datepickers */
.month-year-selector .searchable-select {
  flex: 1;
}

.month-year-selector .month-select-wrapper {
  flex: 1.2;
}

.month-year-selector .year-select-wrapper {
  flex: 1;
}

/* Dropdown schwebt über dem Kalender */
.month-year-selector .searchable-select-dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  margin-top: 4px;
  z-index: 20;
  background-color: var(--surface, #ffffff);
  border: 1px solid var(--border-color, #e5e7eb);
  border-radius: 6px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

/* Dropdown nur sichtbar wenn .open Klasse vorhanden */
.month-year-selector .searchable-select.open .searchable-select-dropdown {
  display: flex;
}

.month-year-selector .searchable-select-options {
  max-height: 200px;
  overflow-y: auto;
}

/* Weekdays Header */
.calendar-weekdays {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 2px;
  margin-bottom: 8px;
  text-align: center;
}

.calendar-weekdays span {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted, #6b7280);
  padding: 4px;
}

/* Calendar Days Grid */
.calendar-days {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 2px;
}

.calendar-day {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  padding: 0;
  border: none;
  background: none;
  cursor: pointer;
  font-size: 14px;
  color: var(--text-primary, #1e293b);
  border-radius: 6px;
  transition: all 0.1s;
}

.calendar-day:hover:not(.empty):not(.disabled) {
  background-color: var(--grey-100, #f3f4f6);
}

.calendar-day.empty {
  cursor: default;
}

.calendar-day.today {
  font-weight: 700;
  color: var(--primary-color, #007abb);
  border: 2px solid var(--primary-color, #007abb);
}

.calendar-day.selected {
  background-color: var(--primary-color, #007abb);
  color: white;
  font-weight: 600;
}

.calendar-day.selected.today {
  border-color: white;
}

.calendar-day.disabled {
  color: var(--grey-300, #d1d5db);
  cursor: not-allowed;
}

.calendar-day.disabled:hover {
  background: none;
}

/* Calendar Footer */
.calendar-footer {
  display: flex;
  justify-content: space-between;
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--border-color, #e5e7eb);
}

.calendar-clear,
.calendar-today {
  padding: 6px 12px;
  font-size: 13px;
  font-weight: 500;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.15s;
}

.calendar-clear {
  background-color: var(--grey-100, #f3f4f6);
  color: var(--text-muted, #6b7280);
}

.calendar-clear:hover {
  background-color: var(--grey-200, #e5e7eb);
  color: var(--text-primary, #1e293b);
}

.calendar-today {
  background-color: var(--primary-color, #007abb);
  color: white;
}

.calendar-today:hover {
  background-color: var(--primary-darken, #005f8a);
}

/* ========================================
   Responsive Adjustments
   ======================================== */
@media (max-width: 640px) {
  .filter-date-range {
    flex-direction: column;
    align-items: stretch;
    gap: 8px;
  }

  .filter-date-range span {
    text-align: center;
  }

  .datepicker-calendar {
    min-width: auto;
    left: 0;
    right: 0;
  }

  .calendar-day {
    width: 100%;
    min-width: 32px;
    height: 32px;
  }
}
