.at-hover {
  position: fixed;
  top: 0;
  right: 0;
  width: 160px;
  height: 60px;
  z-index: 11;
  display: flex;
  align-items: flex-start;
  justify-content: flex-end;
  padding: 12px;
  pointer-events: auto;
}
.at-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  color: #f4f4f5;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  padding: 8px 14px;
  border-radius: 0 0 0 8px;
  cursor: pointer;
  opacity: 0;
  transform: translateY(-100%);
  transition: opacity 280ms ease, transform 280ms ease;
}
.at-hover:hover .at-btn {
  opacity: 1;
  transform: translateY(0);
}
.at-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #888;
  display: inline-block;
}
.at-manual .at-dot {
  background: #888;
}
.at-audio .at-dot {
  background: #facc15;
  box-shadow: 0 0 8px rgba(250, 204, 21, 0.6);
}
.at-auto .at-dot {
  background: #4ade80;
  box-shadow: 0 0 8px rgba(74, 222, 128, 0.7);
}