.calculator-layout {
  display: flex;
  flex-wrap: wrap;
  gap: 40px;
  padding: 30px;
  font-family: 'Segoe UI', sans-serif;
}

.calc-block {
  flex: 1;
  min-width: 300px;
  max-width: 500px;
}

.calc-block label {
  display: block;
  margin-top: 20px;
  font-weight: 600;
  color: #333;
}

.calc-block input,
.calc-block select {
  width: 100%;
  padding: 10px;
  margin-top: 8px;
  font-size: 16px;
  border: 1px solid #e2b97c;
  border-radius: 6px;
  background: #fffdf7;
  box-sizing: border-box;
}

.calc-block input:focus,
.calc-block select:focus {
  outline: none;
  border-color: #f59e0b;
  box-shadow: 0 0 0 3px rgba(245, 158, 11, 0.2);
}

.calc-block button {
  margin-top: 25px;
  padding: 12px 24px;
  background-color: #f59e0b;
  color: #fff;
  border: none;
  border-radius: 6px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: background-color 0.2s;
}

.calc-block button:hover {
  background-color: #d97706;
}

.field-hint {
  display: block;
  margin-top: 6px;
  font-size: 13px;
  color: #a16207;
}

.hidden {
  display: none;
}

.result-block {
  background: #fff8eb;
  padding: 25px;
  border-top: 4px solid #f59e0b;
  border-radius: 6px;
  flex: 1;
  min-width: 280px;
}

.result-block h2 {
  margin-top: 0;
  color: #b45309;
}

.result-output p {
  margin: 12px 0;
  font-size: 17px;
  color: #333;
}

.result-output .result-main {
  font-size: 21px;
  font-weight: 600;
}

.result-output strong {
  color: #d97706;
}

.result-output .result-formula {
  font-size: 14px;
  color: #92631d;
}

.result-output .result-hint {
  color: #92631d;
}

.result-output .result-warn {
  color: #b45309;
}

.result-output .result-error {
  color: #c2410c;
}

.calculator-description {
  max-width: 800px;
  margin: 50px auto;
  padding: 30px;
  background-color: #fff8eb;
  border-top: 4px solid #f59e0b;
  border-radius: 6px;
  line-height: 1.6;
  font-size: 16px;
}

.calculator-description h2,
.calculator-description h3 {
  color: #b45309;
  margin-top: 20px;
}

.calculator-description code {
  background: #fff3d6;
  padding: 2px 8px;
  border-radius: 4px;
  font-weight: 600;
  color: #92400e;
}

@media (max-width: 600px) {
  .calculator-layout {
    padding: 16px;
  }
}