/* Zalo 右侧悬浮聊天入口 — 形象站 / 企业站共用（官方品牌图标） */
.ninola-zalo-float {
  position: fixed;
  right: max(0.85rem, env(safe-area-inset-right, 0px));
  top: 50%;
  transform: translateY(-50%);
  z-index: 880;
  width: 3.35rem;
  height: 3.35rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 22%;
  overflow: hidden;
  background: transparent;
  box-shadow:
    0 10px 28px rgba(0, 104, 255, 0.38),
    0 2px 8px rgba(15, 23, 42, 0.18);
  text-decoration: none;
  transition: transform 0.2s ease, box-shadow 0.2s ease, filter 0.2s ease;
  -webkit-tap-highlight-color: transparent;
}

.ninola-zalo-float:hover,
.ninola-zalo-float:focus-visible {
  transform: translateY(-50%) scale(1.06);
  box-shadow:
    0 14px 32px rgba(0, 104, 255, 0.45),
    0 3px 10px rgba(15, 23, 42, 0.2);
  filter: brightness(1.05);
  outline: none;
}

.ninola-zalo-float:active {
  transform: translateY(-50%) scale(0.98);
}

.ninola-zalo-float__icon {
  width: 100%;
  height: 100%;
  display: block;
  line-height: 0;
}

.ninola-zalo-float__icon svg {
  width: 100%;
  height: 100%;
  display: block;
}

/* 细微呼吸光环，提示可点击 */
.ninola-zalo-float::after {
  content: "";
  position: absolute;
  inset: -4px;
  border-radius: 28%;
  border: 2px solid rgba(0, 104, 255, 0.35);
  animation: ninola-zalo-pulse 2.4s ease-out infinite;
  pointer-events: none;
}

@keyframes ninola-zalo-pulse {
  0% {
    transform: scale(1);
    opacity: 0.7;
  }
  70% {
    transform: scale(1.22);
    opacity: 0;
  }
  100% {
    transform: scale(1.22);
    opacity: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .ninola-zalo-float::after {
    animation: none;
    display: none;
  }
}

/* 形象站 Lightbox 打开时隐藏，避免遮挡 */
body.ninola-lightbox-open .ninola-zalo-float {
  visibility: hidden !important;
  pointer-events: none !important;
}

@media (max-width: 640px) {
  .ninola-zalo-float {
    width: 3.1rem;
    height: 3.1rem;
    right: max(0.65rem, env(safe-area-inset-right, 0px));
  }
}