.rag-exercise-container {
  --rag-bg: #0a0e17;
  --rag-surface: #111827;
  --rag-border: #1e293b;
  --rag-text: #c9d1d9;
  --rag-dim: #6b7280;
  --rag-accent: #22d3ee;
  --rag-accent-dim: #0e7490;
  --rag-green: #34d399;
  --rag-red: #f87171;
  --rag-orange: #fb923c;
  --rag-purple: #a78bfa;
  background: var(--rag-bg);
  color: var(--rag-text);
  font-family: 'JetBrains Mono', 'Fira Code', 'Courier New', monospace;
  padding: 20px;
  border-radius: 8px;
  line-height: 1.5;
}
.rag-exercise-container * { box-sizing: border-box; }
.rag-wrap { max-width: 720px; margin: 0 auto; }
.rag-title { color: var(--rag-accent); font-size: 20px; margin: 0; letter-spacing: 1px; }
.rag-subtitle { color: var(--rag-dim); font-size: 12px; margin-top: 4px; }
.rag-progress { display: flex; gap: 4px; margin: 16px 0; }
.rag-progress-bar { flex: 1; height: 3px; border-radius: 2px; background: var(--rag-border); transition: background 0.3s; }
.rag-progress-bar.active { background: var(--rag-accent); }
.rag-layout { display: flex; gap: 20px; flex-wrap: wrap; }
.rag-controls { flex: 1; min-width: 300px; }
.rag-plot-col { width: 340px; flex-shrink: 0; }
.rag-plot-sticky { position: sticky; top: 20px; }
.rag-step-title { font-size: 14px; color: var(--rag-orange); margin: 0 0 4px; }
.rag-step-desc { font-size: 12px; color: var(--rag-dim); margin: 0 0 12px; }
.rag-card { background: var(--rag-surface); border: 1px solid var(--rag-border); border-radius: 6px; padding: 10px; margin-bottom: 8px; }
.rag-card-query { border-color: var(--rag-orange); padding: 12px; margin-bottom: 12px; }
.rag-mem-label { font-size: 12px; margin-bottom: 6px; }
.rag-mem-id { color: var(--rag-purple); font-weight: bold; }
.rag-slider-row { margin-bottom: 8px; }
.rag-slider-labels { display: flex; justify-content: space-between; font-size: 11px; color: var(--rag-dim); margin-bottom: 2px; }
.rag-slider-val { color: var(--rag-accent); }
.rag-slider-row input[type=range] { width: 100%; accent-color: var(--rag-accent); }
.rag-btn {
  background: var(--rag-accent-dim); color: var(--rag-text); border: none; border-radius: 6px;
  padding: 10px 20px; font-size: 13px; cursor: pointer; font-family: inherit; width: 100%; margin-top: 8px;
}
.rag-btn:disabled { opacity: 0.3; cursor: default; }
.rag-btn-reset { background: var(--rag-surface); }
.rag-predict-card {
  background: var(--rag-surface); border: 1px solid var(--rag-border); border-radius: 6px;
  padding: 10px; margin-bottom: 6px; display: flex; align-items: center; justify-content: space-between; gap: 8px;
}
.rag-predict-text { flex: 1; font-size: 12px; }
.rag-predict-dist { color: var(--rag-dim); font-size: 10px; margin-top: 2px; }
.rag-predict-btns { display: flex; gap: 4px; }
.rag-small-btn {
  border: 1px solid var(--rag-border); border-radius: 4px; padding: 4px 10px;
  font-size: 11px; cursor: pointer; font-family: inherit; background: var(--rag-surface);
}
.rag-small-btn.hit-active { background: var(--rag-green); color: var(--rag-bg); }
.rag-small-btn.miss-active { background: var(--rag-red); color: var(--rag-bg); }
.rag-small-btn.hit { color: var(--rag-green); }
.rag-small-btn.miss { color: var(--rag-red); }
.rag-reveal-card {
  background: var(--rag-surface); border-radius: 6px; padding: 8px; margin-bottom: 4px;
  display: flex; justify-content: space-between; align-items: center; font-size: 12px;
}
.rag-reveal-card.is-hit { border: 1px solid rgba(52,211,153,0.4); }
.rag-reveal-card.is-miss { border: 1px solid var(--rag-border); }
.rag-prompt-box {
  margin-top: 16px; background: #0d1117; border: 1px solid var(--rag-accent-dim);
  border-radius: 8px; padding: 14px;
}
.rag-prompt-label { font-size: 11px; color: var(--rag-accent); margin-bottom: 8px; text-transform: uppercase; letter-spacing: 1px; }
.rag-prompt-pre { font-size: 11px; color: var(--rag-dim); margin: 0; white-space: pre-wrap; line-height: 1.6; }
.rag-prompt-note { margin-top: 10px; font-size: 11px; color: var(--rag-orange); line-height: 1.5; }
.rag-query-text { font-size: 13px; color: var(--rag-orange); margin-bottom: 8px; }
.rag-legend { font-size: 10px; color: var(--rag-dim); margin-top: 6px; line-height: 1.5; }
.rag-correct { color: var(--rag-green); font-size: 11px; }
.rag-incorrect { color: var(--rag-red); font-size: 11px; }