/* Bouton TiaNeura — bas-droite sous zoom (comme gm-sibling-app-link V1) */

.sibling-neura-link {
  position: fixed;
  right: 14px;
  /* Sous la pile boussole+zoom (~109px) + marge status bar */
  bottom: calc(26px + env(safe-area-inset-bottom, 0px));
  z-index: 45;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: linear-gradient(
    180deg,
    rgba(69, 72, 75, 0.95) 0%,
    rgba(48, 49, 52, 0.92) 100%
  );
  box-shadow:
    0 1px 2px rgba(0, 0, 0, 0.34),
    0 6px 18px -6px rgba(0, 0, 0, 0.55);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  pointer-events: auto;
  cursor: pointer;
  text-decoration: none;
  transition:
    transform 0.2s ease,
    box-shadow 0.2s ease,
    border-color 0.2s ease;
}

.sibling-neura-link:hover {
  transform: translateY(-2px) scale(1.04);
  border-color: rgba(129, 140, 248, 0.45);
}

.sibling-neura-link img {
  width: 28px;
  height: 28px;
  object-fit: contain;
  pointer-events: none;
}

.sibling-neura-link.is-switching {
  transform: scale(0.94);
  opacity: 0.88;
  transition-duration: 60ms;
}

/* Remonte la pile nav pour laisser la place au bouton Neura */
.theyia-nav {
  bottom: calc(76px + env(safe-area-inset-bottom, 0px)) !important;
}

.sibling-neura-hint {
  position: fixed;
  right: 14px;
  bottom: calc(76px + env(safe-area-inset-bottom, 0px));
  z-index: 50;
  max-width: min(320px, calc(100vw - 28px));
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(32, 33, 36, 0.94);
  color: #e8eaed;
  font: 13px/1.35 "Segoe UI", system-ui, sans-serif;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.45);
  opacity: 0;
  pointer-events: none;
  transform: translateY(6px);
  transition:
    opacity 0.2s ease,
    transform 0.2s ease;
}

.sibling-neura-hint.is-visible {
  opacity: 1;
  transform: translateY(0);
}