:root {
  --pcs-card-bg: rgba(10, 10, 20, 0.35);
  --pcs-border: rgba(255, 255, 255, 0.12);
}

.stage-tabs {
  display: flex;
  gap: 10px;
  margin: 10px 0 12px;
}

.stage-tab {
  border: 1px solid var(--pcs-border);
  background: rgba(255, 255, 255, 0.06);
  color: rgba(255, 255, 255, 0.9);
  padding: 8px 12px;
  border-radius: 10px;
  cursor: pointer;
  font-weight: 600;
}

.stage-tab.active {
  background: rgba(93, 173, 226, 0.18);
  border-color: rgba(93, 173, 226, 0.35);
}

.stage-panel {
  border: 1px solid var(--pcs-border);
  border-radius: 16px;
  background: var(--pcs-card-bg);
  overflow: hidden;
}

.stage-view.hidden {
  display: none;
}

.spectral-note {
  padding: 10px 14px 0;
  color: rgba(255, 255, 255, 0.72);
  font-size: 14px;
}

#budget-svg,
#spectral-canvas {
  width: 100%;
  height: auto;
  display: block;
}

.controls-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-top: 14px;
}

@media (min-width: 980px) {
  .controls-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.control-card {
  border: 1px solid var(--pcs-border);
  border-radius: 16px;
  background: var(--pcs-card-bg);
  padding: 14px 14px 12px;
}

.control-title {
  margin: 0 0 10px;
  font-size: 18px;
}

.control-row,
.mission-row {
  display: grid;
  grid-template-columns: 72px 1fr auto;
  gap: 10px;
  align-items: center;
  margin-bottom: 10px;
}

.control-row select,
.mission-row select {
  width: 100%;
}

.preset-badges {
  display: inline-flex;
  gap: 6px;
  justify-content: flex-end;
}

.badge {
  font-size: 12px;
  padding: 3px 8px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  color: rgba(255, 255, 255, 0.9);
  background: rgba(255, 255, 255, 0.06);
}

.badge.warn {
  border-color: rgba(244, 208, 63, 0.5);
  background: rgba(244, 208, 63, 0.12);
}

.slider-group {
  margin: 10px 0;
}

.slider-group label {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 6px;
}

.value-display {
  color: rgba(255, 255, 255, 0.75);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  font-size: 14px;
}

.toggle-group {
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 12px;
  padding: 10px 12px;
  margin-top: 10px;
}

.toggle-group legend {
  padding: 0 6px;
  color: rgba(255, 255, 255, 0.8);
  font-weight: 600;
}

.toggle-option {
  display: block;
  margin: 6px 0;
  color: rgba(255, 255, 255, 0.85);
}

.mission-prompt {
  border: 1px dashed rgba(255, 255, 255, 0.2);
  border-radius: 12px;
  padding: 10px 12px;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 10px;
}

.prediction-group {
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 12px;
  padding: 10px 12px;
}

.prediction-group legend {
  padding: 0 6px;
  color: rgba(255, 255, 255, 0.8);
  font-weight: 600;
}

.prediction-group label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-right: 14px;
}

.mission-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 10px;
}

.check-result {
  color: rgba(255, 255, 255, 0.85);
}

.check-result.good {
  color: rgba(46, 204, 113, 0.95);
}

.check-result.bad {
  color: rgba(231, 76, 60, 0.95);
}

.explain-box {
  margin-top: 10px;
}

.explain-box textarea {
  width: 100%;
  margin-top: 6px;
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  background: rgba(0, 0, 0, 0.25);
  color: rgba(255, 255, 255, 0.9);
  padding: 10px;
}