/* Lab bench card inside the hand-built Unit 4 studios (assets/studio/lab-embed.js). Uses the page's own tokens. */
.lab-embed {
  margin: 28px 0 8px;
  padding: 20px;
  border: 2px solid var(--brand, #1d4ed8);
  border-radius: 16px;
  background: var(--surface, #fff);
  color: var(--ink, #1f2937);
}
.lab-embed > h2 {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 14px;
  align-items: center;
  margin: 0 0 6px;
  font-size: 1.25rem;
}
.lab-embed [data-lab-count] {
  font-size: 0.85rem;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 999px;
  background: var(--brand-tint, #e8eefc);
  color: var(--brand, #1e3a8a);
}
.lab-embed-item {
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid var(--border, #d1d5db);
}
.lab-embed .item-q {
  font-weight: 700;
  font-size: 1.05rem;
  margin: 0 0 8px;
}
.lab-embed .item-sub {
  margin: 6px 0;
  font-size: 0.95rem;
}
.lab-embed .item-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 10px 0;
}
.lab-embed .btn {
  min-height: 44px;
  padding: 8px 16px;
  border: 2px solid var(--brand, #1d4ed8);
  border-radius: 10px;
  background: var(--surface, #fff);
  color: var(--brand, #1e3a8a);
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}
.lab-embed .btn-primary,
.lab-embed .btn-go {
  background: var(--brand, #1d4ed8);
  color: var(--on-brand, #fff);
}
.lab-embed .btn[aria-pressed="true"] {
  outline: 3px solid var(--sun, #f59e0b);
  outline-offset: 1px;
}
.lab-embed .write-box {
  width: 100%;
  min-height: 110px;
  padding: 10px;
  border: 2px solid var(--border-strong, #94a3b8);
  border-radius: 8px;
  font: inherit;
  color: var(--ink, inherit);
  background: var(--surface, #fff);
}
.lab-embed .feedback-box {
  margin-top: 10px;
  padding: 0;
}
.lab-embed .feedback-box.show {
  padding: 12px 14px;
  border-left: 5px solid var(--border-strong, #64748b);
  border-radius: 8px;
  background: var(--surface-soft, #f1f5f9);
  color: var(--ink, #111827);
}
.lab-embed .feedback-box.ok {
  border-color: var(--ok, #16a34a);
  background: var(--ok-tint, #ecfdf3);
  color: var(--ok-ink, #111827);
}
.lab-embed .feedback-box.warn,
.lab-embed .feedback-box.err {
  border-color: var(--warn-line, #d97706);
  background: var(--warn-tint, #fff7e6);
  color: var(--ink, #111827);
}
.lab-embed .hint-area ol {
  margin: 8px 0;
  padding-left: 22px;
}
.lab-embed .rubric-list {
  list-style: none;
  padding: 0;
}
.lab-embed .rubric-list label {
  display: flex;
  gap: 8px;
  align-items: flex-start;
  margin: 6px 0;
}
.lab-embed .rubric-list input {
  width: 22px;
  height: 22px;
}
.lab-embed .es-text {
  display: none;
  margin-top: 4px;
  font-size: 0.95rem;
}
body.show-es .lab-embed .es-text {
  display: block;
}
@media (prefers-reduced-motion: reduce) {
  .lab-embed * {
    transition: none !important;
    animation: none !important;
  }
}

.lab-embed .lab-goalbar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
  align-items: center;
  justify-content: space-between;
  margin: 10px 0;
  padding: 10px 14px;
  border-radius: 12px;
  background: var(--brand-tint, #e8eefc);
  border: 1.5px solid var(--brand-line, #c7d3e6);
}
.lab-embed .lab-goal {
  margin: 6px 0;
}
.lab-embed .lab-goalbar {
  justify-content: flex-start;
}
.lab-embed .lab-goalbar:empty {
  display: none;
}
.lab-embed .lab-goalbar .item-actions {
  margin: 0;
}
.lab-embed .lab-trail {
  margin-top: 12px;
  padding: 10px 14px;
  border-radius: 12px;
  background: var(--surface-soft, #f7f9fc);
  border: 1.5px dashed var(--border-strong, #94a3b8);
}
.lab-embed .lab-trail p {
  margin: 0 0 4px;
}
.lab-embed .lab-trail ol {
  margin: 0;
  padding-left: 22px;
}
.lab-embed .lab-twin {
  display: none;
}
.lab-embed .lab-twin-shown {
  display: block;
  margin-top: 14px;
}
.lab-embed .lab-twin-table {
  width: 100%;
  border-collapse: collapse;
  margin: 8px 0;
}
.lab-embed .lab-twin-table th,
.lab-embed .lab-twin-table td {
  border: 1.5px solid var(--border-strong, #000);
  padding: 8px;
  text-align: left;
  min-width: 70px;
}

@media print {
  .lab-embed .lab-model,
  .lab-embed .lab-mission,
  .lab-embed .lab-predict,
  .lab-embed .lab-goalbar .item-actions,
  .lab-embed .lab-trail {
    display: none !important;
  }
  .lab-embed .lab-twin {
    display: block !important;
  }
}