admin/src/scss/3-components/_sidebar.scss

.sidebar {
  min-width: $sidebar-width;
  max-width: $sidebar-width;
  transition: $sidebar-transition;
  direction: ltr;
  background: $sidebar-bg;
}

.sidebar-content {
  transition: $sidebar-transition;
  display: flex;
  height: 100vh;
  flex-direction: column;
  background: $sidebar-bg;
}

.sidebar-nav {
  padding-left: 0;
  margin-bottom: 0;
  list-style: none;
  flex-grow: 1;
}

// Sidebar links
.sidebar-link,
a.sidebar-link {
  display: block;
  padding: $sidebar-link-padding;
  font-weight: $sidebar-link-font-weight;
  transition: background .1s ease-in-out;
  position: relative;
  text-decoration: none;
  cursor: pointer;
  border-left-style: solid;
  border-left-width: 3px;
  color: $sidebar-link-color;
  background: $sidebar-link-bg;
  border-left-color: $sidebar-link-border-left-color;

  i,
  svg {
    margin-right: .75rem;
    color: $sidebar-link-icon-color;
  }
}

.sidebar-link:focus {
  outline: 0;
}

.sidebar-link:hover {
  color: $sidebar-link-hover-color;
  background: $sidebar-link-hover-bg;
  border-left-color: $sidebar-link-hover-border-left-color;

  i,
  svg {
    color: $sidebar-link-icon-hover-color;
  }
}

.sidebar-item.active > .sidebar-link,
.sidebar-item.active .sidebar-link:hover {
  color: $sidebar-link-active-color;
  background: $sidebar-link-active-bg;
  border-left-color: $sidebar-link-active-border-left-color;

  i,
  svg {
    color: $sidebar-link-icon-active-color;
  }
}

// Sidebar brand
.sidebar-brand {
  font-weight: $sidebar-brand-font-weight;
  font-size: $sidebar-brand-font-size;
  padding: $sidebar-brand-padding-y $sidebar-brand-padding-x;
  display: block;
  color: $sidebar-brand-color;

  &:hover {
    text-decoration: none;
    color: $sidebar-brand-color;
  }

  &:focus {
    outline: 0;
  }
}

// Toggle states
.sidebar-toggle {
  cursor: pointer;
  width: 26px;
  height: 26px;
  display: flex;
}

.sidebar {
  &.collapsed {
    margin-left: -$sidebar-width;
  }

  // Workaround for IE bug, more info:
  // https://stackoverflow.com/a/25850649
  @media (min-width: 1px) and (max-width: #{map-get($grid-breakpoints, 'lg') - .02px}) {

    // Sidebar default state (on mobile)
    margin-left: -$sidebar-width;

    // Sidebar collapsed state (on mobile)
    &.collapsed {
      margin-left: 0;
    }
  }
}

.sidebar-toggle {
  margin-right: $spacer;
}

// Sidebar header
.sidebar-header {
  background: transparent;
  padding: $sidebar-header-padding;
  font-size: $sidebar-header-font-size;
  color: $sidebar-header-color;
}

// Badge
.sidebar-badge {
  position: absolute;
  right: 15px;
  top: 14px;
  z-index: 1;
}

// Sidebar bottom
.sidebar-cta-content {
  padding: $sidebar-cta-padding;
  margin: $sidebar-cta-margin;
  border-radius: $sidebar-cta-border-radius;

  background: $sidebar-cta-bg;
  color: $sidebar-cta-color;
}