.page-sidebar {
  position: sticky;
  top: 24px;
  padding: 18px;
  background: #ffffff;
  border: 1px solid rgba(20, 35, 58, 0.1);
  border-radius: 12px;
  box-shadow: 0 18px 38px rgba(14, 40, 64, 0.08);
}

.page-sidebar__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(0, 146, 191, 0.18);
}

.page-sidebar__title {
  margin: 0;
  color: #004a6a;
  font-size: 1.08rem;
  font-weight: 800;
  line-height: 1.3;
}

.page-sidebar__toggle {
  display: none;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
  width: 44px;
  height: 44px;
  padding: 0;
  color: #004a6a;
  background: #eef8fb;
  border: 1px solid rgba(0, 146, 191, 0.22);
  border-radius: 8px;
  cursor: pointer;
  transition: background 160ms ease, color 160ms ease, border-color 160ms ease;
}

.page-sidebar__toggle span[aria-hidden="true"],
.page-sidebar__toggle span[aria-hidden="true"]::before,
.page-sidebar__toggle span[aria-hidden="true"]::after {
  display: block;
  width: 18px;
  height: 2px;
  background: currentColor;
  border-radius: 2px;
  transition: transform 160ms ease, opacity 160ms ease;
}

.page-sidebar__toggle span[aria-hidden="true"] {
  position: relative;
}

.page-sidebar__toggle span[aria-hidden="true"]::before,
.page-sidebar__toggle span[aria-hidden="true"]::after {
  content: "";
  position: absolute;
  left: 0;
}

.page-sidebar__toggle span[aria-hidden="true"]::before {
  transform: translateY(-6px);
}

.page-sidebar__toggle span[aria-hidden="true"]::after {
  transform: translateY(6px);
}

.page-sidebar__toggle:hover,
.page-sidebar__toggle:focus-visible {
  color: #ffffff;
  background: #007fa6;
  border-color: #007fa6;
}

.page-sidebar.is-open .page-sidebar__toggle span[aria-hidden="true"] {
  transform: rotate(45deg);
}

.page-sidebar.is-open .page-sidebar__toggle span[aria-hidden="true"]::before {
  opacity: 0;
}

.page-sidebar.is-open .page-sidebar__toggle span[aria-hidden="true"]::after {
  transform: rotate(90deg);
}

.page-sidebar__nav {
  display: grid;
  gap: 6px;
}

.page-sidebar__nav a,
.page-sidebar__nav summary {
  min-height: 42px;
  padding: 9px 12px;
  color: #14233a;
  background: #f8fbfd;
  border: 1px solid rgba(20, 35, 58, 0.07);
  border-radius: 8px;
  font-weight: 500;
  line-height: 1.35;
  text-decoration: none;
  transition: background 160ms ease, color 160ms ease, border-color 160ms ease;
}

.page-sidebar__nav a {
  display: flex;
  align-items: center;
}

.page-sidebar__nav summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  cursor: pointer;
  list-style: none;
}

.page-sidebar__nav summary::-webkit-details-marker {
  display: none;
}

.page-sidebar__nav summary::after {
  content: "";
  flex: 0 0 auto;
  width: 8px;
  height: 8px;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(45deg);
  transition: transform 160ms ease;
}

.page-sidebar__group[open] > summary::after {
  transform: rotate(225deg);
}

.page-sidebar__nav a:hover,
.page-sidebar__nav a:focus-visible,
.page-sidebar__nav summary:hover,
.page-sidebar__nav summary:focus-visible {
  color: #ffffff;
  background: #007fa6;
  border-color: #007fa6;
}

.page-sidebar__nav a[aria-current="page"],
.page-sidebar__nav a[data-sidebar-current="true"],
.page-sidebar__nav a.is-active {
  color: #004a6a;
  background: #eaf6fa;
  border-color: rgba(0, 146, 191, 0.28);
  box-shadow: inset 3px 0 0 #0092bf;
}

.page-sidebar__group.has-active > summary {
  color: #004a6a;
  background: #eef8fb;
  border-color: rgba(0, 146, 191, 0.2);
}

.page-sidebar__panel {
  display: grid;
  gap: 6px;
  margin: 8px 0 10px;
  padding: 10px 0 0 10px;
  border-top: 1px solid rgba(20, 35, 58, 0.1);
}

.page-sidebar__panel a {
  position: relative;
  min-height: 38px;
  padding: 8px 10px 8px 26px;
  color: #23364a;
  background: #ffffff;
  border-color: rgba(20, 35, 58, 0.08);
  font-size: 0.94rem;
}

.page-sidebar__panel a::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 10px;
  width: 5px;
  height: 5px;
  background: #7a8794;
  border-radius: 50%;
  transform: translateY(-50%);
}

.page-sidebar__panel a:hover,
.page-sidebar__panel a:focus-visible {
  color: #004a6a;
  background: #f8fbfd;
  border-color: rgba(0, 146, 191, 0.16);
}

.page-sidebar__panel a[aria-current="page"],
.page-sidebar__panel a[data-sidebar-current="true"],
.page-sidebar__panel a.is-active {
  color: #004a6a;
  background: #f4fbfd;
  border-color: rgba(0, 146, 191, 0.2);
  box-shadow: inset 3px 0 0 #0092bf;
}

.page-sidebar__panel a[aria-current="page"]::before,
.page-sidebar__panel a[data-sidebar-current="true"]::before,
.page-sidebar__panel a.is-active::before {
  background: #0092bf;
}

@media (max-width: 991.98px) {
  .page-sidebar {
    position: static;
    order: -1;
  }
}

@media (max-width: 767.98px) {
  .page-sidebar {
    padding: 14px;
  }

  .page-sidebar__header {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: 0;
  }

  .page-sidebar__toggle {
    display: inline-flex;
  }

  .page-sidebar.is-enhanced .page-sidebar__nav {
    display: none;
  }

  .page-sidebar.is-open .page-sidebar__nav,
  .page-sidebar:not(.is-enhanced) .page-sidebar__nav {
    display: grid;
  }

  .page-sidebar__nav {
    margin-top: 14px;
    padding-top: 14px;
    border-top: 1px solid rgba(0, 146, 191, 0.16);
  }
}