*, *:before, *:after {
  -moz-box-sizing: border-box;
  -webkit-box-sizing: border-box;
  box-sizing: border-box
}

body {
  background: @bgColor;
  color: @textColor;
  font-family: @textFontFamily;
  font-size: @textFontSize;
  line-height: 1.5;
  min-width: @screenSmMin;
  @media (min-width: @screenMdMin) {
    font-family: @textFontFamilyExt;
  }
}

#wrapper {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

#header {
  background: @black;
  color: @white;
  padding: 0.5rem 1rem;
  a {
    color: @white;
  }
  .title {
    font-size: 1.25rem;
    font-family: @textFontFamily;
    font-style: normal;
    font-weight: normal;
    line-height: 2rem;
    letter-spacing: 0.025em;
    margin: 0;
    @media (min-width: @screenMdMin) {
      font-family: @textFontFamilyExt;
    }
  }
  .links {
    font-size: 0.9rem;
    line-height: 2rem;
    a:hover {
      text-decoration: none;
    }
    [class^='icon'], [class*=' icon'] {
      font-size: 1.25rem;
    }
  }
}

#footer {
  border-top: 1px solid @lightGray;
  padding: 0.5rem 1rem;
  .copyright {
    .title();
    color: @gray;
    line-height: 2rem;
    margin: 0;
  }
  .icons {
    a:hover {
      text-decoration: none;
    }
    [class^='icon'],
    [class*=' icon'] {
      color: @textColor;
      line-height: 2rem;
    }
  }
}

#main {
  //background: @lightGray;
  display: flex;
  flex: 1;
}

#left-pane, #right-pane {
  background: lighten(@lightGray, 3%);
  padding-left: 1rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
  width: 50%;
  footer {
    background: @white;
    border-top: 1px solid @lightGray;
    height: 3rem;
    padding: 0.5rem 0.3rem;
    line-height: 1rem;
  }
  > textarea {
    border: none;
  }
  > textarea, .CodeMirror {
    display: flex;
    flex-direction: column;
    flex: 1;
  }
  .CodeMirror-scroll {
    flex: 1;
  }
  .btn:hover,
  .btn.active {
    .btn.green();
  }
}