/* Two-column grid */
.form-grid-2col {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

/* Flex layout */
.area-flex {
  display: flex;
  gap: 20px;
}

.area-left {
  flex: 2;
}
.area-right {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Diagram box */
.shape-diagram {
  background: #fff;
  border: 1px solid #e2e8f0;
  padding: 12px;
  border-radius: 8px;
  min-height: 220px;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.shape-diagram svg {
  max-width: 100%;
  max-height: 200px;
}

/* Inputs */
.input-panel input,
.input-panel select {
  width: 100%;
  padding: 7px 10px;
}

/* Notes */
.notes {
  font-size: 13px;
  color: #475569;
  margin-left: 10px;
}