:root {
  --clrblack: #1e272e;
  --clrblack2: #2f3640;
  --clrblack3: #353b48;
  --clrwhite: #f5f6fa;
  --clrred: #e84118;
  --clrblue: #00a8ff;
  --clrgreen: #4cd137;
  --clryellow: #f1c40f;
  --clrpurple: #9b59b6;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

ul, li {
  list-style-type: none;
}

html, body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
  background-color: var(--clrblack);
  color: var(--clrwhite);
  display: flex;
  justify-content: center;
  align-items: center;
}

.container {
  margin: 0 auto;
  max-width: 980px;
  padding: 20px;
}

input {
  all: unset;
  border: none;
  padding: 0;
  background: var(--clrwhite);
  outline: none;
  font: inherit;
}

h1.title {
  color: var(--clrblue);
}

.rent-form__inputs {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
}

.residents__container {
  margin-bottom: 20px;
}

.rent__container {
  margin-bottom: 20px;
}

.calculate-btn {
  display: block;
  margin: 0 auto;
  margin-top: 20px;
  margin-bottom: 20px;
  padding: 15px 30px;
  background-color: var(--clrblack);
  color: var(--clrgreen);
  outline: none;
  border: 2px solid var(--clrgreen);
  cursor: pointer;
  font-weight: 800;
  font-size: 24px;
  transition: 0.1s;
  border-radius: 15px;

  &:hover {
    background-color: var(--clrgreen);
    color: var(--clrblack);
    transform: scale(1.05);
  }
}

.residents-inputs__container {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  margin-bottom: 20px;
  gap: 20px;
}

.rent-form__input {
  padding: 10px;
  outline: none;
  border-radius: 15px;
  color: var(--clrblack);
}

#rent-form label {
  font-size: 24px;
}

.salary-input {
  margin: 10px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 430px;
  
  .residents-inputs__input {
    color: var(--clrblack);
    padding: 5px;
    border-radius: 5px;
  }
}

#result-container {
  background-color: var(--clrred);
  color: var(--clrblack);
  padding: 10px;
  border-radius: 5px;
}

.result-container__div {
  display: none;

  p {
    color: var(--clrwhite);
    font-size: 20px;
    padding-bottom: 5px;
    border-bottom: 2px solid var(--clrblack);
  }

  span {
    background-color: var(--clrgreen);
    color: var(--clrblack);
    font-weight: 600;
    padding-left: 5px;
    padding-right: 5px;
    border-radius: 5px;
  }

  h3 {
    font-size: 24px;
  }

  ul li {
    font-size: 18px;
    color: var(--clrwhite);
  }
}

.result-container__div.show {
  display: block;
}

@media screen and (max-width: 768px) {
  .rent-form__inputs {
    display: block;
    padding-right: 20px;
  }

  .rent-form__input {
    width: 100%;
  }

  .residents__container,
  .rent__container {
    display: block;
    width: 100%;
  }

  .salary-input {
    flex-direction: column;
    width: 100%
  }

  .salary-input label {
    font-size: 5dvw;
  }

  .residents-inputs__input {
    color: var(--clrblack);
    padding: 5px;
    border-radius: 5px;
  }

  .result-container__div {
  
    p {
      color: var(--clrwhite);
      font-size: 20px;
      padding-bottom: 5px;
      border-bottom: 2px solid var(--clrblack);
    }
  
    span {
      background-color: var(--clrgreen);
      color: var(--clrblack);
      font-weight: 600;
      padding-left: 5px;
      padding-right: 5px;
      border-radius: 5px;
    }
  
    h3 {
      font-size: 24px;
    }
  
    ul li {
      font-size: 18px;
      color: var(--clrwhite);
    }
  }
}