.book-sidebar {
  position: fixed;
  width: 12rem;
  height: 100%;
  z-index: 500;
  background-color: #f7f8f9;
  transition: transform 0.2s;
}

.book-sidebar.show {
  transform: translateX(0);
}

.book-sidebar.hide {
  transform: translateX(-100%);
}

@media all and (min-width: 1280px) {
  .book-sidebar {
    transform: translateX(0);
  }
}

@media all and (max-width: 1279px) {
  .book-sidebar {
    transform: translateX(-100%);
  }
}

.book-sidebar .book-brand {
  display: flex;
  position: fixed;
  top: 0.85rem;
  left: 1.25rem;
  height: 2rem;
}

.book-sidebar .book-brand a {
  display: inline-flex;
  align-items: center;
  font-size: 0.8rem;
  font-weight: bold;
  color: rgb(47, 47, 47);
  text-decoration: none;
}

.book-sidebar .book-brand a img {
  height: 1.6rem;
  width: 1.6rem;
}

.book-sidebar .book-brand a span {
  margin-left: 0.5rem;
}

.book-sidebar .book-brand a:hover {
  color: rgb(47, 47, 47);
  text-decoration: none;
}

.book-sidebar .book-menu {
  position: fixed;
  top: 3.25rem;
  bottom: 0rem;
  width: 12rem;
  overflow-x: hidden;
  overflow-y: auto;
  font-size: 0.7rem;
}

.book-sidebar .book-menu h1,
.book-sidebar .book-menu h2,
.book-sidebar .book-menu h3,
.book-sidebar .book-menu h4,
.book-sidebar .book-menu h5,
.book-sidebar .book-menu h6 {
  padding: 0 0.6rem 0 1.25rem;
  margin: 1.25rem 0 0.625rem 0;
  font-size: 0.7rem;
}

.book-sidebar .book-menu ul,
.book-sidebar .book-menu ol,
.book-sidebar .book-menu li {
  margin: 0;
  list-style: none;
}

.book-sidebar .book-menu p {
  margin: 0;
}

.book-sidebar .book-menu .uncollapsible {
  padding: 0 0.6rem 0 1.25rem;
  margin: 0 0 0.625rem 0;
  border-top: 1px solid #e7e7e7;
}

.book-sidebar .book-menu .accordion {
  padding: 0.625rem 0.6rem 0.625rem 1.25rem;
  border-top: 1px solid rgb(231, 231, 231);
}

.book-sidebar .book-menu .accordion label {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0;
}

.book-sidebar .book-menu .accordion .accordion-body {
  margin: 0;
}

.book-sidebar .book-menu .accordion input:checked~.accordion-header .icon {
  transform: rotate(-180deg);
}

.book-sidebar .book-menu .accordion i.icon-arrow-down::before {
  border-width: 0.05rem;
  border-color: #696969;
  height: 0.3rem;
  width: 0.3rem;
}

.book-sidebar .book-menu .accordion input:checked~.accordion-body,
.book-sidebar .book-menu .accordion[open] .accordion-body {
  max-height: unset;
}

.book-sidebar .book-menu ul {
  margin-left: 0.5rem;
}

.book-sidebar .book-menu li {
  margin-top: 0.625rem;
}

.book-sidebar .book-menu a {
  color: rgb(47, 47, 47);
  font-weight: 400;
}

.book-sidebar .book-menu a:hover {
  color: rgb(128, 128, 128);
}

.book-sidebar .book-menu .current-tab {
  color: #004ed0;
  font-weight: 600;
}

.book-sidebar .book-menu.hide {
  display: none;
}

.sidebar-toggle {
  position: fixed;
  bottom: 0.6rem;
  left: 12.7rem;
  transition: left 200ms;
  display: flex;
  justify-content: center;
  align-items: center;
  border: 1px solid #686868;
  border-radius: 50%;
  width: 9px;
  height: 9px;
}

.sidebar-toggle.extend {
  left: 0.7rem;
}

@media all and (max-width: 1280px) {
  .sidebar-toggle {
    display: none;
  }
}

.sidebar-toggle>.sidebar-toggle-inner {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background-color: #686868;
  display: none;
}

.sidebar-toggle>.sidebar-toggle-inner.show {
  display: block;
}