.amicalendar-why,
.amicalendar-why ~ .btn-scroll-top {
  --ac-why-edge: 1.25rem;
  --ac-why-bottom: calc(var(--ac-why-edge) + env(safe-area-inset-bottom, 0px) + var(--ac-why-toolbar, 0px));
}

.amicalendar-why {
  position: fixed;
  right: max(var(--ac-why-edge), env(safe-area-inset-right, 0px));
  bottom: var(--ac-why-bottom);
  /* Au-dessus du retour en haut du thème */
  z-index: 1031;
  display: grid;
  justify-items: end;
  gap: 1rem;
  width: min(25rem, calc(100% - 2 * var(--ac-why-edge)));
  pointer-events: none;
}

.amicalendar-why[hidden],
.amicalendar-why-panel[hidden] {
  display: none;
}

.amicalendar-why-panel {
  width: 100%;
  /* Les 5rem réservent la hauteur du bouton, l'écart et une marge en haut */
  max-height: calc(100vh - var(--ac-why-bottom) - 5rem);
  max-height: calc(100dvh - var(--ac-why-bottom) - 5rem);
  overflow-y: auto;
  overscroll-behavior: contain;
  overflow-wrap: break-word;
  background-color: var(--si-body-bg);
  box-shadow: var(--si-box-shadow-sm);
  pointer-events: auto;
}

.amicalendar-why-panel > * {
  flex-shrink: 0;
}

.amicalendar-why.is-open .amicalendar-why-panel {
  animation: fade-in 0.2s ease-in-out;
}

/* Silicon fige la couleur de cet utilitaire avec !important */
.amicalendar-why .text-primary {
  color: var(--si-primary) !important;
}

/* La surface sombre reste opaque lorsque la carte recouvre le contenu du site */
[data-bs-theme="dark"] .amicalendar-why-panel {
  background-image: linear-gradient(var(--si-secondary-bg), var(--si-secondary-bg));
}

.amicalendar-why-heading {
  position: sticky;
  top: 0;
  z-index: 1;
  padding: 1.5rem 1.5rem 1.25rem;
  background: inherit;
}

.amicalendar-why-eyebrow {
  letter-spacing: 0.025em;
}

.amicalendar-why-close {
  box-sizing: border-box;
  width: 2.75rem;
  height: 2.75rem;
  margin: -0.5rem -0.5rem 0 0;
  padding: 0.875rem;
}

.amicalendar-why-toggle {
  display: grid;
  grid-template-columns: 1.25rem minmax(0, 1fr) 0.875rem;
  align-items: start;
  gap: 0.5rem;
  width: 100%;
  padding: 0;
  color: inherit;
  font: inherit;
  text-align: left;
  background: transparent;
  border: 0;
  cursor: pointer;
}

.amicalendar-why-icon {
  font-size: 1.25rem;
  line-height: 1;
}

.amicalendar-why-chevron {
  margin-top: 0.1875rem;
  color: var(--si-heading-color);
  font-size: 0.875rem;
  line-height: 1;
  transition: transform 0.2s ease-in-out;
}

.amicalendar-why-toggle[aria-expanded="true"] .amicalendar-why-chevron {
  transform: rotate(180deg);
}

.amicalendar-why-toggle:hover {
  color: var(--si-primary);
}

.amicalendar-why-footer {
  padding: 1.125rem 0 1.5rem;
}

.amicalendar-why-launcher {
  min-height: 2.75rem;
  box-shadow: var(--si-box-shadow-sm);
  pointer-events: auto;
}

.amicalendar-why-toggle:focus-visible,
.amicalendar-why-close:focus-visible {
  outline: 2px solid var(--si-primary);
  outline-offset: 3px;
}

.amicalendar-why:not([hidden]) ~ .btn-scroll-top.show {
  right: max(var(--ac-why-edge), env(safe-area-inset-right, 0px));
  bottom: calc(var(--ac-why-bottom) + 3.75rem);
}

.amicalendar-why.is-open ~ .btn-scroll-top {
  visibility: hidden;
}

/* Le header réserve 62 px à la barre WordPress déplacée en bas de page */
.amicalendar-why-with-toolbar,
.amicalendar-why-with-toolbar ~ .btn-scroll-top {
  --ac-why-toolbar: 62px;
}

@media (max-width: 575.98px) {
  .amicalendar-why,
  .amicalendar-why ~ .btn-scroll-top {
    --ac-why-edge: 0.75rem;
  }

  .amicalendar-why-heading {
    padding: 1.25rem 1rem 1rem;
  }
}

@media (pointer: coarse) {
  .amicalendar-why-toggle {
    min-height: 2.75rem;
    align-items: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  .amicalendar-why.is-open .amicalendar-why-panel {
    animation: none;
  }

  .amicalendar-why-chevron {
    transition: none;
  }
}