/* Floating contact bar — bottom-left sticky */
.float-bar {
  position: fixed;
  left: calc(12px + env(safe-area-inset-left));
  bottom: calc(16px + env(safe-area-inset-bottom));
  z-index: 200;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.float-bar__btn {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  box-shadow: 0 4px 18px rgba(0, 0, 0, 0.22);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: transparent;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.float-bar__btn:hover {
  transform: scale(1.07);
  box-shadow: 0 6px 22px rgba(0, 0, 0, 0.3);
}

.float-bar__btn:focus-visible {
  outline: 2px solid #e31837;
  outline-offset: 3px;
}

.float-bar__btn img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
  pointer-events: none;
  user-select: none;
}

@media (max-width: 768px) {
  .float-bar {
    left: calc(10px + env(safe-area-inset-left));
    bottom: calc(14px + env(safe-area-inset-bottom));
    gap: 8px;
  }

  .float-bar__btn {
    width: 44px;
    height: 44px;
  }
}