/* Ultrasonic Spectrum Analyzer — local overrides (Ultrasonic & Infrasound) */

.usa-warn-note {
  max-width:640px;
  margin:var(--space-md) auto 0;
  padding:var(--space-sm) var(--space-md);
  border:1px solid rgba(255,179,0,.35);
  background:rgba(255,179,0,.07);
  border-radius:var(--radius-sm);
  color:var(--color-text);
  font-size:.9rem;
  line-height:1.55;
  text-align:left;
}
.usa-warn-note strong { color:var(--color-warning); }

.usa-toprow {
  display:flex;
  flex-wrap:wrap;
  align-items:flex-end;
  gap:12px;
  justify-content:space-between;
}
.usa-device { flex:1 1 240px; min-width:200px; }
.usa-controls { display:flex; flex-wrap:wrap; align-items:center; gap:8px; }

.usa-select {
  width:100%;
  background:rgba(255,255,255,.03);
  border:1px solid rgba(0,255,65,.25);
  color:var(--color-text);
  font-family:var(--font-mono);
  font-size:.9rem;
  padding:9px 10px;
  border-radius:var(--radius-sm);
}
.usa-select:focus { outline:1px solid var(--color-primary); }
.usa-select--narrow { width:auto; min-width:104px; }

.usa-status {
  margin-top:var(--space-sm);
  font-family:var(--font-mono);
  font-size:.85rem;
  color:var(--color-text-muted);
  min-height:1.4em;
}
.usa-status.is-live  { color:var(--color-primary); }
.usa-status.is-error { color:var(--color-error); }

.usa-optionrow {
  display:flex;
  flex-wrap:wrap;
  align-items:flex-end;
  gap:16px;
  margin-top:var(--space-md);
}
.usa-opt { display:flex; flex-direction:column; gap:6px; }
.usa-check {
  display:inline-flex; align-items:center; gap:8px;
  font-family:var(--font-mono); font-size:.85rem; color:var(--color-text);
  cursor:pointer;
}
.usa-check + .usa-check { margin-top:4px; }
.usa-check input { accent-color:var(--color-primary); width:15px; height:15px; }

.usa-range {
  width:180px;
  max-width:100%;
  accent-color:var(--color-primary);
}
.usa-range:focus-visible { outline:1px solid var(--color-primary); outline-offset:3px; }

.usa-canvas-wrap { margin-top:var(--space-md); }
.usa-canvas {
  display:block;
  width:100%;
  height:360px;
  background:#050a05;
  border:1px solid rgba(0,255,65,.2);
  border-radius:var(--radius-sm);
}
.usa-axis-note {
  margin-top:var(--space-sm);
  font-family:var(--font-mono);
  font-size:.74rem;
  color:var(--color-text-muted);
  text-align:center;
  line-height:1.5;
}

.usa-grid {
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:var(--space-md);
  margin-top:var(--space-md);
}
.usa-subpanel {
  border:1px solid rgba(0,255,65,.12);
  border-radius:var(--radius-sm);
  padding:var(--space-md);
  background:rgba(0,255,65,.015);
}

.usa-h2 {
  font-size:1.05rem;
  margin:0 0 var(--space-sm);
  color:var(--color-text-bright);
}
.usa-help {
  font-size:.84rem;
  color:var(--color-text-muted);
  margin:0 0 var(--space-md);
  line-height:1.5;
}

.usa-table {
  width:100%;
  border-collapse:collapse;
  font-family:var(--font-mono);
  font-size:.82rem;
}
.usa-table th {
  text-align:left;
  color:var(--color-text-muted);
  font-weight:600;
  text-transform:uppercase;
  letter-spacing:.04em;
  font-size:.68rem;
  padding:6px 8px;
  border-bottom:1px solid rgba(0,255,65,.2);
}
.usa-table td {
  padding:7px 8px;
  border-bottom:1px solid rgba(0,255,65,.08);
  color:var(--color-text);
}
.usa-table tbody tr td:nth-child(2) { color:var(--color-primary); }
.usa-table tbody tr td:nth-child(4) { color:var(--color-secondary); }
.usa-table tbody td.usa-empty {
  color:var(--color-text-muted);
  text-align:center;
  font-style:italic;
}

.usa-meta__row {
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:var(--space-sm);
  padding:7px 0;
  border-bottom:1px solid rgba(0,255,65,.08);
}
.usa-meta__k { font-size:.82rem; color:var(--color-text-muted); }
.usa-meta__v {
  font-family:var(--font-mono);
  font-size:.92rem;
  font-weight:700;
  color:var(--color-primary);
  text-align:right;
}

/* Reference source table in the widget */
.usa-ref-table {
  width:100%;
  border-collapse:collapse;
  font-size:.86rem;
  margin:var(--space-sm) 0 0;
}
.usa-ref-table caption {
  text-align:left;
  color:var(--color-text-muted);
  font-size:.8rem;
  padding-bottom:var(--space-sm);
}
.usa-ref-table th,
.usa-ref-table td {
  text-align:left;
  padding:8px 10px;
  border-bottom:1px solid rgba(0,255,65,.12);
  vertical-align:top;
}
.usa-ref-table th {
  color:var(--color-primary);
  font-family:var(--font-mono);
  font-size:.72rem;
  text-transform:uppercase;
  letter-spacing:.04em;
}
.usa-ref-table td:first-child {
  font-family:var(--font-mono);
  color:var(--color-secondary);
  white-space:nowrap;
}

@media (max-width:760px) {
  .usa-grid { grid-template-columns:1fr; }
  .usa-canvas { height:300px; }
  .usa-controls .btn { flex:1 1 auto; }
  .usa-range { width:100%; }
}