/* ---- Bannière "nouvelle version disponible" ---- */
#banniere-nouvelle-version {
  position: fixed;
  left: 50%;
  bottom: 20px;
  transform: translateX(-50%);
  z-index: 9999;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 18px;
  background: var(--bg-alt);
  border: 1px solid var(--orange);
  border-radius: 12px;
  box-shadow: 0 14px 34px rgba(0,0,0,.4);
  color: var(--text);
  font-size: 0.9rem;
  font-weight: 600;
}
#banniere-nouvelle-version button {
  padding: 7px 14px;
  background: var(--orange);
  color: #fff;
  border: none;
  border-radius: 8px;
  font-weight: 700;
  cursor: pointer;
  flex-shrink: 0;
}
#banniere-nouvelle-version button:active { opacity: 0.8; }

@media (max-width: 600px) {
  #banniere-nouvelle-version {
    left: 12px;
    right: 12px;
    bottom: 76px; /* au-dessus de la bottom-nav mobile */
    transform: none;
  }
}