/* SonoTools persistent top strip — loaded by every tool HTML */
.sonotools-topstrip{
  position:sticky;top:0;z-index:1000;
  display:flex;align-items:center;gap:12px;
  padding:10px 20px;
  background:#0c1324;border-bottom:1px solid #1E293B;
  font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
  font-size:13px;color:#F1F5F9;
  box-shadow:0 1px 0 rgba(255,255,255,.02);
}
.sonotools-topstrip .st-back{display:inline-flex;align-items:center;gap:6px;color:#94A3B8;text-decoration:none;padding:4px 8px;border-radius:6px}
.sonotools-topstrip .st-back:hover{color:#F1F5F9;background:#162144}
.sonotools-topstrip .st-sep{color:#475569}
.sonotools-topstrip .st-tool-name{font-weight:600}
.sonotools-topstrip .st-badge{font-size:10px;letter-spacing:.06em;text-transform:uppercase;font-weight:700;padding:3px 7px;border-radius:999px;border:1px solid transparent}
.sonotools-topstrip .st-badge-ref{color:#a7f3d0;background:rgba(20,184,166,.12);border-color:rgba(20,184,166,.35)}
.sonotools-topstrip .st-badge-sim{color:#bae6fd;background:rgba(14,165,214,.12);border-color:rgba(14,165,214,.35)}
.sonotools-topstrip .st-badge-report{color:#fecaca;background:rgba(244,63,94,.12);border-color:rgba(244,63,94,.35)}
.sonotools-topstrip .st-spacer{flex:1}
.sonotools-topstrip .st-user{display:inline-flex;align-items:center;gap:6px;color:#94A3B8;font-size:12px}
.sonotools-topstrip .st-user-dot{width:6px;height:6px;border-radius:50%;background:#22c55e;display:inline-block}
.sonotools-topstrip .st-user[data-state="guest"] .st-user-dot{background:#94A3B8}
.sonotools-topstrip .st-user-name{color:#F1F5F9;font-weight:600}
@media (max-width:560px){
  .sonotools-topstrip{padding:8px 12px;gap:8px;font-size:12px}
  .sonotools-topstrip .st-back-label,.sonotools-topstrip .st-user-label{display:none}
}