:root {
    --primary-color: #435fda;
    --secondary-color: #d8415c;
    --body-font-size: 16px;
    --line-height: 1.5;
    --content-width: 480px;
    --background-color: #fff;
    --background-color-secondary: #f8f8f9;
    --text-color: #060914;
    --text-color--muted: #71737f;
    --line-color: #ededef;
  }
  
  @media (prefers-color-scheme: dark) {
    :root {
      --primary-color: #657bdb;
      --primary-color--translucent: rgba(85, 106, 195, 0.3);
      --secondary-color: #d93d59;
      --background-color: #060913;
      --background-color-secondary: #0f1424;
      --text-color: #e4e4e7;
      --text-color--muted: #838690;
      --line-color: #303341;
    }
  }
  
  #bmr-calculator-box {
    font-size: 100%;
    background-color: var(--background-color);
    color: var(--text-color);
    font-family: 'Geomanist', sans-serif;
    font-size: var(--body-font-size);
    line-height: var(--line-height);
  
    #bmr-calculator {
      max-width: var(--content-width);
      margin: calc(var(--line-height) * 0.5em) auto 0 auto;
  
      .results {
        margin-top: 0.5em;
        text-align: center;
      }
  
      .results > div {
        margin-bottom: 0.5em;
      }
  
      @media (min-width: 440px) {
        :root {
          --body-font-size: 18px;
          --line-height: 1.5;
        }
  
        .results {
          margin: 2em 1em 0 2em;
          display: flex;
          justify-content: space-between;
          column-gap: 1em;
        }
        .results > div {
          margin-bottom: 0;
        }
      }
  
      .choose-gender {
        display: flex;
        align-items: stretch;
        margin-bottom: 2em;
      }
  
      .segmented-control {
        flex: 1;
        text-align: center;
        line-height: 2em;
        border: 1px solid var(--line-color);
      }
  
      .segmented-control:first-child {
        border-radius: 0.5em 0 0 0.5em;
      }
  
      .segmented-control:last-child {
        border-radius: 0 0.5em 0.5em 0;
      }
  
      .results {
        color: var(--text-color--muted);
      }
  
      .results span {
        font-weight: 500;
        color: var(--text-color);
      }
  
      /* The crazy stuff that needs to be here for the custom input styling */
      input[type='range'] {
        -webkit-appearance: none;
        margin: 18px 0;
        width: 100%;
        transition: all 0.265ms ease-out;
      }
  
      input[type='range']:not(:last-of-type) {
        margin-top: 0;
        margin-bottom: 2.5em;
      }
  
      input[type='range']:focus {
        outline: none;
      }
  
      input[type='range']::-webkit-slider-runnable-track {
        width: 100%;
        height: 6px;
        cursor: pointer;
        background: var(--line-color);
      }
  
      input[type='range']::-webkit-slider-thumb {
        box-shadow: 0 0 8px 1px var(--secondary-color),
          0 0 16px 4px var(--background-color);
        border: 3px solid #fff;
        height: 24px;
        width: 24px;
        border-radius: 50%;
        background: var(--secondary-color);
        cursor: pointer;
        -webkit-appearance: none;
        margin-top: -8px;
      }
      input[type='range']:focus::-webkit-slider-runnable-track {
        background: var(--secondary-color);
      }
  
      input[type='radio'] {
        -webkit-appearance: none;
        display: none;
      }
  
      .segmented-control input[type='radio'] + label {
        border: 1px solid rgba(0, 0, 0, 0);
        width: 100%;
        height: 100%;
        display: block;
        cursor: pointer;
        color: var(--text-color--muted);
      }
  
      .segmented-control input[type='radio']:checked + label {
        background-color: var(--line-color);
        width: 100%;
        height: 100%;
        display: block;
        color: var(--text-color);
      }
  
      .segmented-control input[type='radio']:focus + label {
        border: 1px solid var(--secondary-color);
      }
  
      .segmented-control:first-child input[type='radio']:checked + label {
        border-radius: 0.5em 0 0 0.5em;
      }
  
      .segmented-control:last-child input[type='radio']:checked + label {
        border-radius: 0 0.5em 0.5em 0;
      }
  
      input[type='range']::-moz-range-track {
        width: 100%;
        height: 100%;
        cursor: pointer;
        background: var(--line-color);
      }
  
      input[type='range']::-moz-range-thumb {
        box-shadow: 0 0 8px 1px var(--secondary-color),
          0 0 16px 4px var(--background-color);
        border: 3px solid #fff;
        height: 24px;
        width: 24px;
        border-radius: 50%;
        background: var(--secondary-color);
        cursor: pointer;
        -webkit-appearance: none;
        margin-top: -8px;
      }
    }
  }