@import url('https://fonts.googleapis.com/css?family=Ubuntu|Ubuntu+Mono');

$xl: 87.5em; // 4k and hi-res desktop
$lg: 60em; // 1080 and hi-res laptops
$med: 40em; // hi-res tablets and low-res laptops
$sm: 28em; // mobile and low-res tablets
$xs: 20em; // mobile only

$color_a: #a101a6;
$color_b: #d9005b;
$color_c: #84e900;
$color_d: #cff700;
$color_e: #aaa;
$octet_lighten: 15%;

body {
  background: #eee;
  font-family: 'Ubuntu', sans-serif;
  header {
    margin-bottom: 30px;
    margin-left: 40px;
    h1 {
      small {
        text-transform: uppercase;
        color: #669;
        display: block;
      }
    }
    p {
      margin-right: 30px;
      @media ( min-width: $med ) {
        margin-right: 60px;
      }
    }
  }

  div.ip-address {
    text-align: center;
    font-family: 'Ubuntu Mono', monospace;
    div {
      margin-top: 65px;
    }
    div.address {
      input {
        width: 2.5em;
        font-size: 2.7em;
        @media (max-width: $xl) {
          font-size: calc(1em + 1.9vw);
        }
        text-align: center;
        border: 0px;
        border-radius: 3px;
      }
      span.octet {
        span.dot {
          text-align: center;
          padding: 0.1em 0.13em;
          font-size: 2.7em;
          @media (max-width: $xl) {
            font-size: calc(1em + 1.7vw);
          }
        }
        &:nth-child(1) input.octet {
          background-color: $color_a;
        }
        &:nth-child(2) input.octet {
          background-color: $color_b;
        }
        &:nth-child(3) input.octet {
          background-color: $color_c;
        }
        &:nth-child(4) input.octet {
          background-color: $color_d;
        }
      }
      input.cidr {
        background-color: $color_e;
      }
    }
    div.bits {
      ol {
        display: inline;
        padding-left: 0px;
        padding-right: 15px;
        li.octet {
          display: inline;
          ol {
            li.bit {
              display: inline;
              padding: 0.6em;
              @media (max-width: $xl) {
                padding: calc(-0.1em + 0.7vw);
              }
              margin-left: -1px;
              border: 1px black solid;
            }
          }
          &:nth-child(1) ol li.bit.unmasked {
            background-color: lighten($color_a, $octet_lighten);
          }
          &:nth-child(2) ol li.bit.unmasked {
            background-color: lighten($color_b, $octet_lighten);
          }
          &:nth-child(3) ol li.bit.unmasked {
            background-color: lighten($color_c, $octet_lighten);
          }
          &:nth-child(4) ol li.bit.unmasked {
            background-color: lighten($color_d, $octet_lighten);
          }
          ol li.bit.masked {
            background-color: lighten($color_e, $octet_lighten);
          }
        }
      }
    }
    div.details {
      display: inline-flex;
      justify-content: space-around;
      width: 100%;
      @media (min-width: 640px) {
        width: 640px;
      }
      span {
        display: block;
      }
    }
    div.break {
      width: 100%;
      height: 0px;
      margin: 0px;
    }
    div.usable {
      display: inline-flex;
      justify-content: space-around;
      margin-top: 30px;
      width: 100%;
      @media (min-width: 640px) {
        width: 640px;
      }
      span {
        display: block;
      }
    }
    span.value {
      font-size: 1.22em;
      @media (max-width: $xl) {
        font-size: calc(0.7em + 0.6vw);
      }
    }
    span.label {
      display: block;
      font-family: 'Ubuntu', sans-serif;
      text-transform: uppercase;
      font-size: 1.22em;
      @media (max-width: $xl) {
        font-size: calc(0.7em + 0.6vw);
      }
      font-weight: bold;
      color: #656582;
    }
  }

  footer {
    margin-top: 30px;
    text-align: center;
  }
}