* {
    @include transition($color-transition);
}

.container {
  margin: 0 auto;
  max-width: 800px;
  width: 80%;
}

// Carve out an exception from the 80% narrowing of the viewport for the table
// of contents. This is ugly, but there isn't a better way, since the table of
// contents must be a child of the "main" element so that it its scrolling
// behavior is intuitive.
main > *,
footer,
.nav-container {
  display: block;
  margin: 0 auto;
  max-width: 800px;
  width: 80%;
}

#darkModeToggle {
    float: right;
    position: sticky;
    top: 2rem;
    margin-right: 2rem;
    margin-top: 2rem;
    font-size: 2rem;

    cursor: pointer;
}

.nav {
  box-shadow: 0 2px 2px -2px var(--shadow-color);
  overflow: auto;

  &-container {
    margin: 1rem auto;
    position: relative;
    text-align: center;
  }

  &-title {
    @include transition($color-transition, opacity .2s ease-out);
    color: var(--default-color);
    display: inline-block;
    margin: 0;
    padding-right: .2rem;

    &:hover,
    &:focus {
      opacity: .6;
    }
  }

  ul {
    list-style-type: none;
    margin: 1rem 0 0;
    padding: 0;
    text-align: center;
  }

  li {
    @include transition($color-transition, opacity .2s ease-out);
    color: var(--default-color);
    display: inline-block;
    opacity: .6;
    padding: 0 2rem 0 0;

    &:last-child {
      padding-right: 0;
    }

    &:hover,
    &:focus {
      opacity: 1;
    }
  }

  a {
    color: var(--default-color);
    font-family: $sans-serif;
  }
}

@media (min-width: 600px) {
  .nav {
    &-container {
      text-align: left;
    }

    ul {
      bottom: 0;
      position: absolute;
      right: 0;
    }
  }
}

footer {
  font-family: $serif-secondary;
  padding: 2rem 0;
  text-align: center;

  span {
    color: var(--default-color);
    font-size: .8rem;
  }
}