#st-dot { width: 12px; height: 12px; border-radius: 50%; background: var(--line-strong); flex-shrink: 0; }
#st-dot.on { background: var(--err); box-shadow: 0 0 0 0 var(--err-soft); animation: st-pulse 1.4s ease-out infinite; }
@keyframes st-pulse { 0% { box-shadow: 0 0 0 0 rgba(192, 40, 62, 0.45); } 100% { box-shadow: 0 0 0 12px rgba(192, 40, 62, 0); } }
@media (prefers-reduced-motion: reduce) { #st-dot.on { animation: none; } }
#st-interim { margin: 0; min-height: 1.5em; color: var(--muted); font-style: italic; }