$vue-green: #41B883;
$vue-green-light: lighten($vue-green, 5%);
$vue-dark: #35495E;
$vue-darker: darken($vue-dark, 15%);
$body-color: #555;
$dark-grey: #777;

body, html {
  margin: 0;
  padding: 0;

  font-family: sans-serif;
  color: $body-color;
}

body {
  font-size: 16px;
}

h2, h3, h4 {
  color: $vue-dark;
}

h2 {
  margin: 2em 0 1.5em 0;
}

h3 {
  margin: 0 0 1em 0;
}

h4 {
  margin-bottom: 0.5em;
}

section {
  width: 80%;
  max-width: 1000px;
  margin: 0 auto 2em auto;
}

a {
  color: $vue-green;
  text-decoration: none;
}

header {
  background: $vue-darker;
  color: #fff;
  text-align: center;
  height: 150px;
  display: flex;
  flex-flow: column nowrap;
  justify-content: center;
  align-items: center;
  position: relative;

  h1 {
    margin: 0;
    color: $vue-green-light;

    .version {
      font-weight: 300;
      margin: 0 .2em 0 .1em;
    }
  }

  p {
    margin-bottom: 0;
    color: transparentize(#fff, 0.3);
    font-size: 300;

    .version {
      font-weight: 100;
      background-color: transparentize($vue-dark, 0.7);
      padding: .1em .5em;
      border-radius: 3px;
    }
  }
}

nav.top-nav {
  background: $vue-darker;
  position: relative;

  .title {
    display: none;
  }

  .v1x {
    display: inline-block;
    color: transparentize(#fff, 0.5);
    position: absolute;
    z-index: 301;
    right: 1em;
    top: 0.9em;
    font-size: 0.9em;

    &:after {
      content: 'This way to the';
      position: absolute;
      font-size: .8em;
      text-transform: uppercase;
      top: -1.6em;
      left: 0;
      opacity: 0.5;
    }

    a {
      color: transparentize(#fff, 0.4);
      -webkit-transition: color .3s;
      transition: color .3s;

      &:hover {
        color: transparentize(#fff, 0.2);
      }
    }
  }

  &.stick {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 300;

    .title {
      display: inline-block;
      color: transparentize(#fff, 0.2);
      position: absolute;
      z-index: 301;
      left: 1em;
      top: .8em;
    }

    .v1x {
      &:after {
        content: '';
        display: none;
      }
    }
  }

  ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-flow: row nowrap;
    justify-content: center;
    align-items: stretch;

    li {
      margin: 0 1em;
      overflow: hidden;
      a {
        color: transparentize(#fff, 0.5);
        display: block;
        padding: .8em .5em;
        border-radius: 5px;

        -webkit-transition: color .3s;
        transition: color .3s;

        position: relative;
        overflow: hidden;
        z-index: 1;

        &:hover {
          color: transparentize($vue-green, 0.3);
          cursor: pointer;
        }

        &.active {
          color: $vue-green-light;

          &:after {
            content: '';
            display: block;
            width: 0;
            height: 0;
            border: 10px solid transparent;
            border-bottom-color: #fff;
            position: absolute;
            bottom: -3px;
            left: calc(50% - 10px);
            z-index: 3;
          }
        }
      }
    }
  }
}

main.content {
  &.nav-affixed {
    padding-top: 44px;
  }
}

.fade {
  transition: opacity .5s ease;
}
.fade-enter-active, .fade-leave-active {
  opacity: 0;
}

.description {
  p {
    line-height: 1.5em;
  }
  code {
    color: $vue-dark;
    background: rgba(0,0,0,0.03);
    border-radius: 3px;
    padding: 0.2em 0.5em;
    margin: 0 0.2em;
    vertical-align: baseline;
  }
}

.preview {
  padding: 2em 1.5em;
  border: 1px solid rgba(0,0,0,0.07);
  border-radius: 3px;

  b {
    font-size: 0.9em;
    color: $dark-grey;
  }

  p {
    margin: 0;
    padding: .5em 0 1.5em 0;

    &:last-of-type {
      padding-bottom: 0;
    }
  }

}

.codes {
  pre {
    position: relative;
    font-size: 0.8em;
    code {
      padding: 2em;
      border-radius: 3px;
    }

    &:after {
      content: attr(data-title);
      position: absolute;
      top: 0.3em;
      right: 0.8em;
      font-size: 0.8em;
      color: transparentize($vue-dark, 0.6);
    }
  }
}