:root {
  --sidebar-primary-color: #4c23cc;
  --sidebar-primary-hover: #3d1ca3;
  --sidebar-heading-color: #002a66;
  --sidebar-text-color: #121217;
  --sidebar-link-color: #002a66;
  --sidebar-bg-color: #f7f8fe;
  --sidebar-transition: all 0.2s ease;
}

#sidebar {
  display: none;
}

@media screen and (min-width: 48em) {
  #sidebar {
    display: block;
    font-family: "Noto Sans", system-ui;
    font-optical-sizing: auto;
    font-weight: 400;
    font-style: normal;
    font-variation-settings: "wdth" 100;
    max-width: 380px;
    width: 100%;
    background: var(--sidebar-bg-color);
    border-radius: 1.25rem;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    padding: 2rem 2.5rem;
    position: sticky;
    top: 32px;
    transition: box-shadow 0.3s ease;
  }

  #sidebar:hover {
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
  }
}

#sidebar .category-list {
  padding-left: 0 !important;
  margin: 0 !important;
}

#sidebar .category-label {
  font-size: 20px;
  font-weight: 700;
  line-height: 28px;
  color: var(--sidebar-heading-color);
  padding: 10px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  opacity: 0.5;
  gap: 1rem;
  cursor: pointer;
  transition: var(--sidebar-transition);
}

#sidebar .category-label:hover {
  opacity: 0.7;
}

#sidebar .category-label:after {
  content: "";
  height: 12px;
  width: 12px;
  transition: transform 200ms ease-in-out;
  background: url("data:image/svg+xml;base64,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");
  background-position: center;
  background-size: contain;
  background-repeat: no-repeat;
  display: inline-block;
}

#sidebar .category-item {
  list-style: none;
  padding-left: 0 !important;
  cursor: pointer;
  margin: 0 !important;
}

#sidebar .category-item::before {
  content: none;
}

#sidebar .category-item .group-list {
  max-height: 0;
  overflow: hidden;
  transition: max-height 200ms ease-in-out;
  margin: 0 !important;
}

#sidebar .category-item.active .category-label {
  opacity: 1;
}

#sidebar .category-item.active .category-label::after {
  transform: rotate(180deg);
}

#sidebar .category-item.active .group-list {
  max-height: none;
  margin: 0 !important;
  margin-bottom: 20px !important;
  padding: 0 !important;
}

#sidebar .group-label {
  font-size: 16px;
  font-weight: 700;
  line-height: 32px;
  color: var(--sidebar-text-color);
  padding: 10px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  opacity: 0.5;
  cursor: pointer;
  transition: var(--sidebar-transition);
}

#sidebar .group-label:hover {
  opacity: 0.7;
}

#sidebar .group-label:after {
  content: "";
  height: 12px;
  width: 12px;
  transition: transform 200ms ease-in-out;
  background: url("data:image/svg+xml;base64,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");
  background-position: center;
  background-size: contain;
  background-repeat: no-repeat;
  display: inline-block;
}

#sidebar .group-list {
  padding-left: 0;
}

#sidebar .group-item {
  list-style: none;
  padding-left: 0 !important;
  margin: 0 !important;
}

#sidebar .group-item::before {
  content: none;
}

#sidebar .group-item .article-list {
  max-height: 0;
  overflow: hidden;
  transition: max-height 200ms ease-in-out;
  margin: 0 !important;
}

#sidebar .group-item.active .group-label {
  opacity: 1;
}

#sidebar .group-item.active .group-label::after {
  transform: rotate(180deg);
}

#sidebar .group-item.active .article-list {
  max-height: none;
  margin: 0 !important;
  margin-bottom: 16px !important;
  padding: 0 !important;
}

#sidebar .article-list {
  padding-left: 0;
}

#sidebar .article-link {
  font-size: 14px;
  font-weight: 400;
  line-height: 20px;
  color: var(--sidebar-link-color) !important;
  text-decoration: none;
  padding: 10px 0 !important;
  padding-left: 12px !important;
  display: block;
  border-left: 3px solid transparent;
  transition: var(--sidebar-transition);
}

#sidebar .article-link:hover {
  color: var(--sidebar-primary-color) !important;
  padding-left: 16px !important;
  border-left-color: var(--sidebar-primary-color);
}

#sidebar .article-link:active,
#sidebar .article-link.active {
  color: var(--sidebar-primary-color) !important;
  font-weight: 600;
  padding-left: 16px !important;
  border-left-color: var(--sidebar-primary-color);
  background: rgba(76, 35, 204, 0.05);
  border-radius: 0 4px 4px 0;
}

#sidebar .article-item {
  list-style: none;
  padding-left: 0 !important;
  margin: 0 !important;
}

#sidebar .article-item::before {
  content: none;
}