.structured-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(340px, .72fr);
  gap: 20px;
  align-items: start;
}
.structured-card h3 { margin-top: 25px; }
.structured-card .sectiontitle h3 { margin-top: 0; }
.sectiontitle > div { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.sectiontitle > div h3 { margin-bottom: 0; }
.source-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px 16px;
  margin-bottom: 18px;
}
.source-choice {
  display: flex;
  align-items: flex-start;
  color: #25364a;
  border: 1px solid var(--border);
  border-radius: 7px;
  padding: 12px;
  margin: 0;
  background: #f9fafc;
}
.source-choice input { margin-top: 2px; }
.source-detail { grid-column: 1 / -1; }
.compact-area { min-height: 84px; }
.preview-card { border-color: #cdd9ee; }
.preview-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 17px; }
.preview-head h3 { margin: 0; }
.generated-preview {
  white-space: pre-wrap;
  line-height: 1.65;
  background: #f7f9fc;
  border: 1px solid #e3e8f0;
  border-radius: 7px;
  padding: 18px;
  min-height: 230px;
  color: #27384b;
}
.preview-card .muted { margin-bottom: 0; }
.accordion-item {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 10px;
  margin-bottom: 12px;
  overflow: hidden;
}
.accordion-item.open { border-color: #b7c9e8; box-shadow: 0 6px 22px #2038500c; }
.accordion-trigger {
  display: flex;
  align-items: center;
  width: 100%;
  border: 0;
  border-radius: 0;
  padding: 16px 18px;
  text-align: left;
  background: #fff;
}
.accordion-trigger:hover { border: 0; background: #f7f9fc; }
.accordion-item.open .accordion-trigger { background: #f5f8fe; }
.accordion-title { min-width: 0; flex: 1; }
.accordion-title b { display: block; font-size: 15px; color: #26384c; }
.accordion-title small { display: block; margin-top: 4px; font-size: 12px; font-weight: 400; }
.accordion-chevron { color: #6f7f92; font-size: 21px; transition: transform .18s; }
.accordion-item.open .accordion-chevron { transform: rotate(180deg); }
.accordion-panel { border-top: 1px solid #e4e9f0; }
.structured-card { padding: 22px; }
.structured-card > h3:first-child { margin-top: 0; }
.legacy-choice { color: #815b17; background: #fff7e8; border: 1px solid #efdbb5; border-radius: 7px; padding: 12px; margin: 18px 0; }
.verify-choice { color: #245a49; background: #edf8f3; border: 1px solid #cae8dc; border-radius: 7px; padding: 13px; margin: 18px 0 0; }
.applicability-box { background: #f7f9fc; border: 1px solid #e2e8f0; border-radius: 7px; padding: 13px; margin-bottom: 20px; }
.applicability-box .field { margin: 10px 0 0; }
.tep-preview { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
.tep-preview > div { border: 1px solid var(--border); border-radius: 7px; padding: 12px; }
.tep-preview span, .tep-preview b { display: block; }
.tep-preview span { color: #6c798b; font-size: 12px; margin-bottom: 6px; }
@media (max-width: 1100px) {
  .structured-layout { grid-template-columns: 1fr; }
  .structured-layout .sticky { position: static; }
}
@media (max-width: 720px) {
  .source-grid { grid-template-columns: 1fr; }
  .source-detail { grid-column: auto; }
  .tep-preview { grid-template-columns: 1fr; }
}