:root {
  --onboarding-overlay-bg: rgba(0, 0, 0, 0.65);
  --onboarding-highlight-border: 3px solid #667eea;
  --onboarding-tooltip-bg: #ffffff;
  --onboarding-tooltip-border-radius: 16px;
  --onboarding-tooltip-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
  --onboarding-tooltip-max-width: 420px;
  --onboarding-title-color: #1e293b;
  --onboarding-content-color: #64748b;
  --onboarding-btn-primary-bg: #667eea;
  --onboarding-btn-primary-hover: #5a6fd6;
  --onboarding-btn-secondary-bg: #f1f5f9;
  --onboarding-btn-secondary-hover: #e2e8f0;
  --onboarding-progress-bg: #e2e8f0;
  --onboarding-progress-fill-bg: #667eea;
  --onboarding-z-index: 99999;
  --onboarding-z-index-hole: 100000;
  --onboarding-z-index-highlight: 100001;
  --onboarding-z-index-tooltip: 100007;
}

/* 遮罩层 - 完全透明，不拦截点击事件 */
.onboarding-overlay {
  position: fixed;
  inset: 0;
  z-index: var(--onboarding-z-index);
  background: transparent;
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
}

.onboarding-overlay.is-active {
  opacity: 1;
}

/* 洞元素 - 使用 box-shadow 创建遮罩效果 */
.onboarding-hole {
  position: fixed;
  z-index: var(--onboarding-z-index-hole);
  border: 2px solid #667eea;
  border-radius: 8px;
  box-shadow: 0 0 0 9999px rgba(0, 0, 0, 0.65);
  pointer-events: none;
  display: none;
  transition: all 0.3s ease;
}

/* 高亮目标元素 - 提升层级使其可点击 */
.onboarding-highlight {
  position: relative !important;
  z-index: var(--onboarding-z-index-highlight) !important;
  box-shadow: 0 0 0 4px #667eea, 0 0 20px rgba(102, 126, 234, 0.4);
  border-radius: 8px;
  outline: none;
  pointer-events: auto !important;
}

/* 提示框 */
.onboarding-tooltip {
  position: absolute;
  z-index: calc(var(--onboarding-z-index) + 2);
  background: var(--onboarding-tooltip-bg);
  border-radius: var(--onboarding-tooltip-border-radius);
  box-shadow: var(--onboarding-tooltip-shadow);
  padding: 24px;
  max-width: var(--onboarding-tooltip-max-width);
  width: 90vw;
  opacity: 0;
  transform: translateY(10px);
  transition: all 0.3s ease;
}

.onboarding-tooltip.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.onboarding-tooltip__title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--onboarding-title-color);
  margin: 0 0 12px;
}

.onboarding-tooltip__content {
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--onboarding-content-color);
  margin: 0 0 20px;
}

/* 进度指示器 */
.onboarding-tooltip__progress {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 16px;
}

.onboarding-tooltip__progress-bar {
  flex: 1;
  height: 4px;
  background: var(--onboarding-progress-bg);
  border-radius: 2px;
  overflow: hidden;
}

.onboarding-tooltip__progress-fill {
  height: 100%;
  background: var(--onboarding-progress-fill-bg);
  transition: width 0.3s ease;
}

.onboarding-tooltip__progress-text {
  font-size: 0.8rem;
  color: var(--onboarding-content-color);
  white-space: nowrap;
}

/* 按钮组 */
.onboarding-tooltip__actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}

.onboarding-tooltip__btn {
  padding: 10px 20px;
  border-radius: 10px;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all 0.2s ease;
}

.onboarding-tooltip__btn--primary {
  background: var(--onboarding-btn-primary-bg);
  color: #ffffff;
}

.onboarding-tooltip__btn--primary:hover {
  background: var(--onboarding-btn-primary-hover);
  transform: translateY(-1px);
}

.onboarding-tooltip__btn--secondary {
  background: var(--onboarding-btn-secondary-bg);
  color: var(--onboarding-content-color);
}

.onboarding-tooltip__btn--secondary:hover {
  background: var(--onboarding-btn-secondary-hover);
}

.onboarding-tooltip__btn--skip {
  background: transparent;
  color: var(--onboarding-content-color);
  text-decoration: underline;
  font-size: 0.85rem;
}

/* 箭头指示器 */
.onboarding-tooltip__arrow {
  position: absolute;
  width: 12px;
  height: 12px;
  background: var(--onboarding-tooltip-bg);
  transform: rotate(45deg);
}

.onboarding-tooltip__arrow--top {
  top: -6px;
  left: 50%;
  transform: translateX(-50%) rotate(45deg);
}

.onboarding-tooltip__arrow--bottom {
  bottom: -6px;
  left: 50%;
  transform: translateX(-50%) rotate(45deg);
}

.onboarding-tooltip__arrow--left {
  left: -6px;
  top: 50%;
  transform: translateY(-50%) rotate(45deg);
}

.onboarding-tooltip__arrow--right {
  right: -6px;
  top: 50%;
  transform: translateY(-50%) rotate(45deg);
}

/* 欢迎横幅（步骤 1 特殊样式） */
.onboarding-welcome {
  text-align: center;
  padding: 40px 32px;
}

.onboarding-welcome__icon {
  font-size: 3rem;
  margin-bottom: 16px;
}

/* 响应式适配 */
@media (max-width: 768px) {
  .onboarding-tooltip {
    width: 95vw;
    padding: 20px;
    max-width: none;
  }

  .onboarding-tooltip__title {
    font-size: 1.1rem;
  }

  .onboarding-tooltip__content {
    font-size: 0.9rem;
  }

  .onboarding-tooltip__actions {
    flex-direction: column;
  }

  .onboarding-tooltip__btn {
    width: 100%;
  }
}

/* ===== 引导指针动画 ===== */
@keyframes onboarding-bounce-pointer {

  0%,
  100% {
    transform: translateX(-50%) translateY(0) scale(1);
    opacity: 0.85;
  }

  40% {
    transform: translateX(-50%) translateY(-7px) scale(1.15);
    opacity: 1;
  }

  60% {
    transform: translateX(-50%) translateY(-4px) scale(1.06);
  }
}

@keyframes onboarding-ripple {
  0% {
    transform: scale(0.85);
    opacity: 0.65;
  }

  100% {
    transform: scale(2.2);
    opacity: 0;
  }
}

/* 在高亮元素下方叠加浮动手型 */
.onboarding-highlight {
  overflow: visible !important;
}

.onboarding-highlight::before {
  content: '👆';
  position: absolute;
  bottom: -40px;
  left: 50%;
  font-size: 1.8rem;
  z-index: 100010;
  animation: onboarding-bounce-pointer 1.1s ease-in-out infinite;
  pointer-events: none;
  filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.35));
}

/* 扩散脉冲圈强调可点击性 */
.onboarding-highlight::after {
  content: '';
  position: absolute;
  inset: -5px;
  border-radius: inherit;
  border: 2px solid rgba(102, 126, 234, 0.65);
  animation: onboarding-ripple 1.4s ease-out infinite;
  pointer-events: none;
  z-index: 100009;
}