.lu-calculator {
  margin: 1.5rem 0;
}

.lu-calculator__card {
  border: 1px solid #d8dadd;
  border-radius: 14px;
  background: #fbfbfa;
  padding: 1.25rem;
  box-shadow: 0 1px 2px rgba(24, 29, 33, 0.04);
}

.lu-calculator__header {
  margin-bottom: 1rem;
}

.lu-calculator__title {
  margin: 0 0 0.35rem;
  font-size: 1.35rem;
  line-height: 1.2;
  color: #1f2528;
}

.lu-calculator__intro {
  margin: 0;
  color: #586067;
  font-size: 0.98rem;
}

.lu-calculator__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.85rem 1rem;
  margin-bottom: 1rem;
}

.lu-calculator__field {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.lu-calculator__label {
  font-weight: 600;
  color: #2c3236;
  font-size: 0.95rem;
}

.lu-calculator__control {
  width: 100%;
  border: 1px solid #c8ced3;
  border-radius: 10px;
  background: #ffffff;
  color: #1f2528;
  padding: 0.72rem 0.8rem;
  font-size: 1rem;
  line-height: 1.2;
  box-sizing: border-box;
}

.lu-calculator__control:focus {
  outline: 2px solid #a8b0b6;
  outline-offset: 1px;
  border-color: #9ba4ab;
}

.lu-calculator__help {
  margin: 0;
  color: #6a7177;
  font-size: 0.83rem;
}

.lu-calculator__actions {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-bottom: 0.85rem;
}

.lu-calculator__button {
  appearance: none;
  border-radius: 10px;
  border: 1px solid #b7bec4;
  padding: 0.72rem 1rem;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: background-color 120ms ease, border-color 120ms ease, color 120ms ease;
}

.lu-calculator__button--primary {
  background: #2f3a3f;
  color: #ffffff;
  border-color: #2f3a3f;
}

.lu-calculator__button--primary:hover,
.lu-calculator__button--primary:focus {
  background: #253035;
  border-color: #253035;
}

.lu-calculator__button--secondary {
  background: #f2f3f3;
  color: #2f3a3f;
}

.lu-calculator__button--secondary:hover,
.lu-calculator__button--secondary:focus {
  background: #e7eaeb;
  border-color: #a6afb6;
}

.lu-calculator__errors {
  margin-bottom: 0.85rem;
  padding: 0.8rem 0.9rem;
  border-radius: 10px;
  background: #f5efec;
  border: 1px solid #dbcac1;
  color: #68453a;
}

.lu-calculator__error-list {
  margin: 0;
  padding-left: 1.1rem;
}

.lu-calculator__results {
  border-top: 1px solid #e2e5e8;
  padding-top: 0.9rem;
}

.lu-calculator__results-title {
  margin: 0 0 0.75rem;
  font-size: 1rem;
  color: #21272b;
}

.lu-calculator__results-list {
  margin: 0;
}

.lu-calculator__result-row {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.45rem 0;
  border-bottom: 1px solid #eceeef;
}

.lu-calculator__result-row:last-child {
  border-bottom: 0;
}

.lu-calculator__result-row dt {
  margin: 0;
  color: #5a6268;
  font-weight: 500;
}

.lu-calculator__result-row dd {
  margin: 0;
  color: #1f2528;
  font-weight: 700;
  text-align: right;
}

@media (max-width: 680px) {
  .lu-calculator__card {
    padding: 1rem;
  }

  .lu-calculator__grid {
    grid-template-columns: 1fr;
  }

  .lu-calculator__actions {
    flex-direction: column;
  }

  .lu-calculator__button {
    width: 100%;
  }

  .lu-calculator__result-row {
    flex-direction: column;
    gap: 0.25rem;
  }

  .lu-calculator__result-row dd {
    text-align: left;
  }
}