.calc_lessons_row[hidden] { display: none; }

.calc_lessons_row {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px;
  min-height: 62px;
  font-size: 38px;
  font-weight: 700;
}

.calc_lessons_input {
  width: 92px;
  height: 58px;
  box-sizing: border-box;
  padding: 0;
  text-align: center;
  font-family: inherit;
  font-size: 30px;
  font-weight: 700;
  border: 2px solid #c5c5c5;
  border-radius: 6px;
  background: #ffffff;
  color: var(--fg);
}

body.dark .calc_lessons_input {
  background: #1f2227;
  border-color: #3a3f47;
  color: var(--fg);
}

.calc_lessons_input:focus {
  outline: 2px solid currentColor;
  outline-offset: 0;
  border-color: currentColor;
}

@media (max-width: 520px) {
  .calc_lessons_row {
    gap: 8px;
    min-height: 52px;
    font-size: 27px;
  }

  .calc_lessons_input {
    width: 72px;
    height: 46px;
    font-size: 24px;
  }
}