.app-date-picker {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 2.75rem;
}

/*
 * Il campo ISO originale resta nel DOM per l'invio del form, ma non deve
 * partecipare al layout. La regola esplicita evita che gli stili dei form
 * possano prevalere sull'attributo hidden.
 */
.app-date-picker > input[type="date"][hidden] {
  display: none !important;
}

.app-date-picker .app-date-display {
  grid-row: 1;
  grid-column: 1 / -1;
  min-width: 0;
  padding-right: 2.75rem;
  background-color: var(--bs-body-bg);
}

/*
 * Bootstrap disegna un'icona di errore come background dei campi invalidi.
 * Nel date picker quell'area è già riservata al pulsante calendario: senza
 * questa eccezione le due icone si sovrappongono e il bordo appare spezzato.
 */
.app-date-picker .app-date-display.is-invalid {
  padding-right: 2.75rem;
  background-image: none;
}

.app-date-picker .app-date-display.is-invalid + .app-date-picker-button {
  border-left-color: #dc3545;
}

.app-date-picker-button {
  position: relative;
  z-index: 1;
  grid-row: 1;
  grid-column: 2;
  width: 2.75rem;
  height: 100%;
  min-height: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 0;
  border-left: 1px solid var(--bs-border-color);
  border-radius: 0 var(--bs-border-radius) var(--bs-border-radius) 0;
  color: var(--bs-secondary-color);
  background: transparent;
}

.app-date-picker-button:hover,
.app-date-picker-button:focus-visible {
  color: var(--bs-primary);
  background: rgba(var(--bs-primary-rgb), .06);
}

.app-date-picker-popover {
  position: fixed;
  z-index: 1090;
  width: min(21.5rem, calc(100vw - 2rem));
  padding: .85rem;
  border: 1px solid var(--bs-border-color);
  border-radius: .85rem;
  background: var(--bs-body-bg);
  box-shadow: 0 .75rem 2rem rgba(19, 42, 68, .18);
}

.app-date-picker-header {
  display: grid;
  grid-template-columns: 2.25rem minmax(0, 1fr) 5.5rem 2.25rem;
  gap: .4rem;
  align-items: center;
  margin-bottom: .75rem;
}

.app-date-picker-nav {
  width: 2.25rem;
  height: 2.25rem;
  padding: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 0;
  border-radius: .55rem;
  color: var(--bs-secondary-color);
  background: transparent;
}

.app-date-picker-nav:hover,
.app-date-picker-nav:focus-visible {
  color: var(--bs-primary);
  background: rgba(var(--bs-primary-rgb), .08);
}

.app-date-picker-header .form-select {
  min-height: 2.25rem;
  height: 2.25rem;
  padding-top: .25rem;
  padding-bottom: .25rem;
  font-size: .9rem;
}

.app-date-picker-weekdays,
.app-date-picker-days {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: .2rem;
}

.app-date-picker-weekday {
  padding: .2rem 0 .4rem;
  color: var(--bs-secondary-color);
  font-size: .75rem;
  font-weight: 700;
  text-align: center;
  text-transform: uppercase;
}

.app-date-picker-day {
  aspect-ratio: 1;
  min-width: 0;
  padding: 0;
  border: 0;
  border-radius: .55rem;
  color: var(--bs-body-color);
  background: transparent;
  font-size: .88rem;
}

.app-date-picker-day:hover:not(:disabled),
.app-date-picker-day:focus-visible {
  color: var(--bs-primary);
  background: rgba(var(--bs-primary-rgb), .09);
}

.app-date-picker-day.is-outside {
  color: var(--bs-tertiary-color);
}

.app-date-picker-day.is-today {
  box-shadow: inset 0 0 0 1px var(--bs-primary);
}

.app-date-picker-day.is-selected {
  color: #fff;
  background: var(--bs-primary);
  box-shadow: none;
  font-weight: 700;
}

.app-date-picker-day:disabled {
  opacity: .32;
}

.app-date-picker-footer {
  display: flex;
  justify-content: space-between;
  gap: .5rem;
  margin-top: .75rem;
  padding-top: .7rem;
  border-top: 1px solid var(--bs-border-color);
}

.app-date-picker-footer .btn {
  min-width: 5.5rem;
}

@media (max-width: 767.98px), (hover: none), (pointer: coarse) {
  .app-date-picker-popover {
    display: none !important;
  }
}

@media print {
  .app-date-picker-button,
  .app-date-picker-popover {
    display: none !important;
  }
}