hugo-book-theme/assets/styles.scss

@import 'variables';
@import 'markdown';


html {
  font-size: $font-size-base;
}

html, body {
  min-width: $body-min-width;
  overflow: hidden auto;
}

body {
  color: $body-font-color;
  background: $body-background;
  font-family: 'Roboto', sans-serif;
  font-weight: $body-font-weight;

  box-sizing: border-box;
  * {
    box-sizing: inherit;
  }
}

a {
  text-decoration: none;
  color: $color-link;

  &:visited {
    color: $color-visited-link;
  }
}

nav {
  ul {
    margin: 0;
    padding-left: $padding-16;
    list-style: none;
    line-height: $padding-16 * 2;

    li {
      a {
        display: block;
      }

      a:hover {
        opacity: .5;
      }
  
      img {
        height: $padding-16;
      }
    }
  }

  &> ul {
    // padding start with second level
    padding-left: 0;
  }
}

.header {
  display: none;
  align-items: center;
  justify-content: space-between;
  margin-bottom: $padding-16;
}

.content {
  max-width: $content-max-width;
  margin: 0 auto;

  display: flex;
  flex-flow: row;

  .menu nav, .page, .markdown {
    transition: 0.2s ease-in-out;
    transition-property: transform, margin-left, opacity;
    will-change: transform, margin-left;
  }

  .menu {
    flex: 0 0 $nav-menu-width;

    nav {
      position: fixed;
      height: 100%;
      width: $nav-menu-width;
      overflow: hidden auto;

      padding: $padding-16;
      font-size: $font-size-14;
    }

    a {
      color: $nav-link-color;
    }

    .section {
      margin-bottom: $padding-16;
      > a { font-weight: 700; }
      > ul { padding-left: 0; }
    }
  }

  .page {
    flex: 1 0;
    width: 0;
    min-width: $body-min-width;
    padding: $padding-16;
  }

  .toc {
    flex: 0 0 $nav-menu-width;

    nav {
      padding: $padding-16;
      font-size: $font-size-12;

      > ul {
        border-left: $padding-1 solid $gray-200;
      }
    }
  
    ul {
      line-height: $padding-16 * 1.5;
      padding-left: $padding-8;
    }
  }
}

// Responsive styles
$menu-hide-point: $nav-menu-width + $body-min-width;
$toc-hide-point: $menu-hide-point + $nav-menu-width;

@media screen and (max-width: $toc-hide-point) {
  .toc {
    // margin-right: -$nav-menu-width;
    display: none;
  }
}

@media screen and (max-width: $menu-hide-point) {
  .menu {
    margin-left: -$nav-menu-width;
  }

  .header {
    display: flex;
  }

  #menu-control:checked + .content {
    .menu nav {
      transform: translateX($nav-menu-width);
    }
    
    .page {
      transform: translateX($nav-menu-width);
    }

    .header label {
      transform: rotate(90deg);
    }

    .markdown {
      opacity: .25;
    }
  }
}