/* AI FAB 按钮条件显示 */
#aiFab {
  position: fixed !important;
  right: 24px !important;
  bottom: 100px !important; /* 提高位置，避免遮挡 */
  width: 56px !important;
  height: 56px !important;
  border-radius: 50% !important;
  background: linear-gradient(135deg, var(--teal-primary), var(--teal-dark)) !important;
  color: white !important;
  border: none !important;
  box-shadow: 0 8px 24px rgba(32, 178, 170, 0.3) !important;
  cursor: pointer !important;
  font-size: 1.5rem !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  transition: all 0.3s ease !important;
  z-index: 998 !important;
}

/* AI 界面时隐藏 FAB */
#view-ai.active ~ #aiFab,
.view.active#view-ai ~ #aiFab {
  display: none !important;
}

#aiFab:hover {
  transform: scale(1.1) rotate(90deg) !important;
  box-shadow: 0 12px 32px rgba(32, 178, 170, 0.4) !important;
}