.pq-container {
  background: #0f172a;
  border-radius: 10px;
  padding: 0.75rem 1rem 0.9rem;
  font-family: system-ui, sans-serif;
  max-width: 640px;
  margin: 0.4em auto;
}

.pq-svg {
  width: 100%;
  max-width: 600px;
  background: #0f172a;
  border-radius: 8px;
  display: block;
  margin: 0 auto;
}

.pq-btn-row {
  display: flex;
  gap: 0.5rem;
  margin: 0.5rem 0 0.3rem;
  justify-content: center;
}

.pq-btn {
  background: #1e3a5f;
  color: #e2e8f0;
  border: 1px solid #60a5fa;
  border-radius: 6px;
  padding: 0.35rem 0.9rem;
  font-size: 0.82rem;
  cursor: pointer;
  transition: background 0.15s;
}

.pq-btn:hover:not(:disabled) { background: #2d4f8a; }
.pq-btn:disabled { opacity: 0.4; cursor: default; }

.pq-btn-secondary {
  border-color: #475569;
  background: #1e293b;
  color: #94a3b8;
}

.pq-bars {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  margin-top: 0.4rem;
}

.pq-bar-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
  color: #cbd5e1;
}

.pq-bar-label {
  width: 5.5rem;
  text-align: right;
  color: #94a3b8;
  flex-shrink: 0;
  font-size: 0.78rem;
}

.pq-bar-track {
  flex: 1;
  background: #1e293b;
  border-radius: 4px;
  height: 13px;
  overflow: hidden;
}

.pq-bar-fill {
  height: 100%;
  border-radius: 4px;
  transition: width 0.35s ease;
  min-width: 0;
}

.pq-bar-pct {
  width: 3rem;
  text-align: left;
  color: #94a3b8;
  font-size: 0.78rem;
}

/* Amplitude chart */
.pq-amp-section {
  margin-top: 0.5rem;
}

.pq-amp-title {
  font-size: 0.82rem;
  color: #94a3b8;
  margin-bottom: 0.4rem;
  text-align: center;
}

.pq-amp-row {
  display: grid;
  grid-template-columns: 9rem 1fr 5rem;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.82rem;
  color: #cbd5e1;
  margin-bottom: 0.3rem;
}

.pq-amp-label { text-align: right; color: #94a3b8; font-size: 0.78rem; }

.pq-amp-track {
  position: relative;
  height: 18px;
  background: #1e293b;
  border-radius: 4px;
}

.pq-amp-zero {
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 2px;
  background: #475569;
  transform: translateX(-50%);
}

.pq-amp-fill {
  position: absolute;
  height: 100%;
  border-radius: 4px;
  transition: width 0.6s ease, left 0.6s ease;
}

.pq-amp-value {
  color: #f8fafc;
  font-size: 0.82rem;
  font-weight: bold;
}

.pq-shock {
  text-align: center;
  color: #f87171;
  font-weight: bold;
  font-size: 0.88rem;
  margin-top: 0.4rem;
  opacity: 0;
  transition: opacity 0.6s;
}

.pq-shock.visible { opacity: 1; }