/**
 * μgrad game engine slot — matches go-ugrad.html lab panels (.gu-snap-wrap / .gu-log).
 * Placeholder until trainable policy/tensor hook ships (no iframe).
 */
.ugrad-numsy-footer {
  margin-top: 16px;
  flex-shrink: 0;
  max-width: 1400px;
  margin-left: auto;
  margin-right: auto;
  padding: 0 14px 14px;
  box-sizing: border-box;
  width: 100%;
}
.ugrad-numsy-details {
  border: 1px solid var(--qp-border, #30363d);
  border-radius: 12px;
  background: rgba(0, 0, 0, 0.2);
  overflow: hidden;
}
.ugrad-engine-game {
  color: var(--qp-fg-subtle, #6e7681);
  font-weight: 600;
}
.ugrad-numsy-sum {
  font: 600 10px ui-monospace, monospace;
  padding: 10px 14px;
  cursor: pointer;
  list-style: none;
  color: var(--qp-fg-muted, #8d97a6);
  background: rgba(0, 0, 0, 0.15);
}
.ugrad-numsy-sum::-webkit-details-marker {
  display: none;
}
.ugrad-numsy-sum::before {
  content: '▸ ';
  opacity: 0.55;
}
.ugrad-numsy-details[open] .ugrad-numsy-sum::before {
  content: '▾ ';
}
.ugrad-numsy-details[open] .ugrad-numsy-sum {
  color: var(--qp-fg-primary, #e8edf4);
}
.ugrad-engine-body {
  padding: 0 12px 12px;
  border-top: 1px solid rgba(48, 54, 61, 0.45);
}
.ugrad-engine-hd {
  font: 600 10px ui-monospace, monospace;
  color: var(--qp-fg-muted, #8d97a6);
  margin: 10px 0 8px;
}
.ugrad-engine-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: stretch;
}
.ugrad-engine-card {
  flex: 1 1 100px;
  min-width: 92px;
  font: 600 9px ui-monospace, monospace;
  padding: 10px 10px;
  border-radius: 10px;
  border: 1px dashed var(--qp-border, #30363d);
  color: var(--qp-fg-muted, #8d97a6);
  background: var(--qp-bg-base, #161b22);
  text-align: center;
  line-height: 1.35;
}
.ugrad-numsy-note {
  font: 500 9px ui-monospace, monospace;
  color: var(--qp-fg-muted, #8d97a6);
  margin: 10px 0 0;
  padding: 0 2px;
  line-height: 1.5;
}
.ugrad-numsy-note code {
  font-size: inherit;
}
.ugrad-numsy-note a {
  color: var(--qp-accent, #58a6ff);
  text-decoration: none;
  border-bottom: 1px solid rgba(88, 166, 255, 0.35);
}
.ugrad-numsy-note a:hover {
  border-bottom-color: var(--qp-accent, #58a6ff);
}
.ugrad-engine-toolbar {
  padding: 8px 12px 10px;
  border-bottom: 1px solid rgba(48, 54, 61, 0.45);
  margin-bottom: 8px;
}
.ugrad-engine-toggle {
  font: 600 10px ui-monospace, monospace;
  color: var(--qp-fg-muted, #8d97a6);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
  user-select: none;
}
.ugrad-engine-toggle input {
  accent-color: var(--qp-accent, #58a6ff);
}
.ugrad-numsy-frame iframe {
  display: block;
  width: 100%;
  height: min(420px, 50vh);
  min-height: 280px;
  border: 1px solid var(--qp-border, #30363d);
  border-radius: 10px;
  background: #0d1117;
}