.topic-breadcrumbs.navle-breadcrumbs {
  width: 100%;
  max-width: none;
  padding: 0;
  margin: 0 0 1rem;
  column-gap: 6px;
  row-gap: 6px;
  color: rgba(111, 123, 137, 0.82);
  font-size: 0.84rem;
  font-weight: 750;
  line-height: 1.25;
}

.topic-breadcrumbs.navle-breadcrumbs a,
.topic-breadcrumbs.navle-breadcrumbs span {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  border-radius: 999px;
}

.topic-breadcrumbs.navle-breadcrumbs a {
  border: 1px solid transparent;
  background: rgba(255, 252, 247, 0.64);
  color: #536171;
  padding: 0 8px;
  text-decoration: none;
  transition: background 160ms ease, border-color 160ms ease, color 160ms ease, box-shadow 160ms ease;
}

.topic-breadcrumbs.navle-breadcrumbs a:hover,
.topic-breadcrumbs.navle-breadcrumbs a:focus-visible {
  border-color: rgba(15, 118, 110, 0.18);
  background: rgba(15, 118, 110, 0.08);
  color: #0b5b55;
  text-decoration: none;
  outline: none;
}

.topic-breadcrumbs.navle-breadcrumbs a:focus-visible {
  box-shadow: 0 0 0 3px rgba(15, 118, 110, 0.18);
}

.topic-breadcrumbs.navle-breadcrumbs span[aria-current='page'] {
  color: #14212f;
  font-weight: 850;
  overflow-wrap: anywhere;
  padding: 0 2px;
}

.topic-breadcrumbs.navle-breadcrumbs span:not([aria-current='page']) {
  color: rgba(111, 123, 137, 0.52);
  line-height: 1;
}

.topic-study-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  width: 100%;
  margin: 0 0 1rem;
}

.topic-study-nav a {
  display: inline-flex;
  align-items: center;
  min-height: 42px;
  border: 1px solid var(--border, rgba(20, 33, 47, 0.14));
  border-radius: 999px;
  background: var(--surface, rgba(255, 252, 247, 0.92));
  color: var(--text-3, #6f7b89);
  padding: 0 14px;
  font-size: 0.9rem;
  font-weight: 800;
  text-decoration: none;
  transition: background 160ms ease, border-color 160ms ease, color 160ms ease;
}

.topic-study-nav a:hover,
.topic-study-nav a:focus-visible,
.topic-study-nav a[aria-current='page'] {
  border-color: var(--border2, rgba(20, 33, 47, 0.22));
  background: rgba(15, 118, 110, 0.08);
  color: var(--text-1, #14212f);
  outline: none;
}

.topic-sidebar--legacy {
  width: min(calc(100% - 32px), 780px);
  margin: 0 auto 1rem;
}

.topic-sidebar--legacy .topic-sidebar-card {
  border: 1px solid var(--border, rgba(20, 33, 47, 0.14));
  border-radius: var(--radius-md, 18px);
  background: var(--surface, rgba(255, 252, 247, 0.96));
  box-shadow: var(--shadow-sm, 0 8px 18px rgba(20, 33, 47, 0.04));
  padding: 14px;
}

.topic-sidebar--legacy .topic-sidebar-label {
  color: var(--text-3, #6f7b89);
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 8px;
}

.topic-sidebar--legacy .topic-toc {
  display: grid;
  gap: 4px;
}

.topic-sidebar--legacy .topic-toc a {
  display: flex;
  align-items: center;
  min-height: 38px;
  border-radius: 10px;
  color: var(--text-2, #536171);
  padding: 0 10px;
  font-size: 0.86rem;
  font-weight: 800;
  text-decoration: none;
}

.topic-sidebar--legacy .topic-toc a:hover,
.topic-sidebar--legacy .topic-toc a:focus-visible {
  background: rgba(15, 118, 110, 0.08);
  color: var(--text-1, #14212f);
  outline: none;
}

.topic-sidebar--legacy .topic-sidebar-note {
  border-top: 1px solid var(--border, rgba(20, 33, 47, 0.14));
  color: var(--text-3, #6f7b89);
  font-size: 0.78rem;
  font-weight: 650;
  line-height: 1.45;
  margin-top: 10px;
  padding-top: 10px;
}

@media (min-width: 1280px) {
  .topic-sidebar--legacy {
    position: fixed;
    top: 150px;
    left: max(16px, calc(50% - 660px));
    z-index: 20;
    width: 220px;
    margin: 0;
  }
}

@media (max-width: 759px) {
  .topic-study-nav {
    flex-wrap: nowrap;
    overflow-x: auto;
    padding-bottom: 4px;
    scrollbar-width: thin;
  }

  .topic-study-nav a {
    flex: 0 0 auto;
  }

  .topic-sidebar--legacy .topic-sidebar-card {
    padding: 12px;
  }
}

@media print {
  .topic-study-nav,
  .topic-sidebar--legacy {
    display: none !important;
  }
}