.two-col-panel {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 22px;
}

.input-right {
  background: #ffffff;
  padding: 18px;
  border: 1px solid #e2e8f0;
  border-radius: 10px;
  text-align: center;
}

.shape-graphic {
  height: 150px;
  display: flex;
  justify-content: center;
  align-items: center;
  margin-bottom: 18px;
}

.dimension-fields {
  display: grid;
  gap: 14px;
  margin-top: 14px;
}

.dimension-fields input {
  padding: 12px;
  width: 100%;
  border-radius: 6px;
  border: 1px solid #cbd5e1;
  background: #f8fafc;
}

.result-box {
  background: #f1f5f9;
  padding: 14px;
  border-radius: 8px;
  border: 1px solid #e2e8f0;
}

.result-big {
  font-size: 30px;
  font-weight: bold;
  margin-top: 8px;
}

.faq-answer {
  display: none;
  background: #eef2f7;
  padding: 10px;
  border-left: 3px solid #0ea5a4;
  margin-top: 6px;
}