.optional-content-toc-scope {
  --optional-content-toc-border: var(--mp-line, var(--bs-border-color, rgba(15, 23, 42, 0.14)));
  --optional-content-toc-background: var(--mp-soft, rgba(248, 250, 252, 0.9));
  --optional-content-toc-text: var(--mp-ink, var(--bs-body-color, #273244));
  --optional-content-toc-muted: var(--mp-muted, #64748b);
  --optional-content-toc-link: var(--mp-blue, var(--bs-link-color, #315f9e));
  --optional-content-toc-accent-soft: rgba(37, 99, 235, 0.08);
}

.optional-content-toc-scope .optional-content-toc-nav {
  width: 100%;
  margin: 0 0 1.5rem;
  overflow: hidden;
  border: 1px solid var(--optional-content-toc-border);
  border-radius: 0.9rem;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.72), transparent 58%),
    var(--optional-content-toc-background);
  box-shadow: 0 10px 28px rgba(15, 23, 42, 0.055);
  color: var(--optional-content-toc-text);
  transition: border-color 180ms ease, box-shadow 180ms ease;
}

.optional-content-toc-scope .optional-content-toc-nav:has(.optional-content-toc-toggle[aria-expanded="true"]) {
  border-color: rgba(49, 95, 158, 0.26);
  box-shadow: 0 14px 34px rgba(15, 23, 42, 0.08);
}

.optional-content-toc-scope .optional-content-toc-toggle {
  display: flex;
  width: 100%;
  min-width: 0;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.9rem 1rem 0.9rem 1.05rem;
  border: 0;
  border-radius: 0;
  background: transparent;
  color: inherit;
  font: inherit;
  font-weight: 700;
  line-height: 1.4;
  text-align: left;
  cursor: pointer;
}

.optional-content-toc-scope .optional-content-toc-toggle:hover {
  background: rgba(100, 116, 139, 0.055);
}

.optional-content-toc-scope .optional-content-toc-toggle:focus-visible {
  outline: 3px solid var(--optional-content-toc-link);
  outline-offset: -3px;
}

.optional-content-toc-scope .optional-content-toc-label {
  display: inline-flex;
  min-width: 0;
  align-items: center;
  gap: 0.72rem;
  letter-spacing: -0.01em;
}

.optional-content-toc-scope .optional-content-toc-label::before {
  width: 1.85rem;
  height: 1.85rem;
  flex: 0 0 1.85rem;
  border: 1px solid rgba(49, 95, 158, 0.14);
  border-radius: 0.55rem;
  background:
    linear-gradient(var(--optional-content-toc-link), var(--optional-content-toc-link)) 0.55rem 0.55rem / 0.75rem 0.1rem no-repeat,
    linear-gradient(var(--optional-content-toc-link), var(--optional-content-toc-link)) 0.55rem 0.85rem / 0.75rem 0.1rem no-repeat,
    linear-gradient(var(--optional-content-toc-link), var(--optional-content-toc-link)) 0.55rem 1.15rem / 0.75rem 0.1rem no-repeat,
    var(--optional-content-toc-accent-soft);
  content: "";
}

.optional-content-toc-scope .optional-content-toc-icon {
  position: relative;
  display: inline-flex;
  width: 1.85rem;
  height: 1.85rem;
  flex: 0 0 1.85rem;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--optional-content-toc-border);
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.68);
  color: transparent;
  font-size: 0;
  transform: rotate(0deg);
  transition: border-color 180ms ease, background-color 180ms ease, transform 180ms ease;
}

.optional-content-toc-scope .optional-content-toc-icon::before {
  width: 0.42rem;
  height: 0.42rem;
  border-right: 2px solid var(--optional-content-toc-muted);
  border-bottom: 2px solid var(--optional-content-toc-muted);
  content: "";
  transform: translateY(-0.12rem) rotate(45deg);
}

.optional-content-toc-scope .optional-content-toc-toggle[aria-expanded="true"] .optional-content-toc-icon {
  border-color: rgba(49, 95, 158, 0.2);
  background: var(--optional-content-toc-accent-soft);
  transform: rotate(180deg);
}

.optional-content-toc-scope .optional-content-toc-panel {
  display: grid;
  grid-template-rows: 0fr;
  border-top: 0 solid transparent;
  transition: grid-template-rows 220ms ease, border-color 180ms ease;
}

.optional-content-toc-scope .optional-content-toc-panel[aria-hidden="false"] {
  grid-template-rows: 1fr;
  border-top-width: 1px;
  border-top-color: var(--optional-content-toc-border);
}

.optional-content-toc-scope .optional-content-toc-panel-inner {
  min-height: 0;
  overflow: hidden;
}

.optional-content-toc-scope .optional-content-toc-list {
  margin: 0;
  padding: 0.85rem 0.8rem 0.95rem;
  list-style: none;
}

.optional-content-toc-scope .optional-content-toc-list .optional-content-toc-list {
  position: relative;
  margin: 0.25rem 0 0 0.92rem;
  padding: 0.2rem 0 0 0.9rem;
}

.optional-content-toc-scope .optional-content-toc-list .optional-content-toc-list::before {
  position: absolute;
  top: 0.3rem;
  bottom: 0.25rem;
  left: 0;
  width: 1px;
  background: var(--optional-content-toc-border);
  content: "";
}

.optional-content-toc-scope .optional-content-toc-item + .optional-content-toc-item {
  margin-top: 0.18rem;
}

.optional-content-toc-scope .optional-content-toc-link {
  position: relative;
  display: block;
  max-width: 100%;
  padding: 0.42rem 0.65rem 0.42rem 1.65rem;
  border-radius: 0.5rem;
  color: var(--optional-content-toc-link);
  font-size: 0.94rem;
  line-height: 1.4;
  overflow-wrap: anywhere;
  text-decoration: none;
  transition: background-color 150ms ease, color 150ms ease, transform 150ms ease;
}

.optional-content-toc-scope .optional-content-toc-link::before {
  position: absolute;
  top: 50%;
  left: 0.68rem;
  width: 0.32rem;
  height: 0.32rem;
  border-radius: 50%;
  background: currentColor;
  content: "";
  opacity: 0.42;
  transform: translateY(-50%);
}

.optional-content-toc-scope .optional-content-toc-link:hover {
  background: var(--optional-content-toc-accent-soft);
  color: var(--optional-content-toc-link);
  text-decoration: none;
  transform: translateX(0.15rem);
}

.optional-content-toc-scope .optional-content-toc-panel-inner > .optional-content-toc-list > .optional-content-toc-item > .optional-content-toc-link {
  font-weight: 650;
}

.optional-content-toc-scope .optional-content-toc-link:focus-visible {
  outline: 2px solid currentColor;
  outline-offset: 1px;
}

.optional-content-toc-scope h2[id],
.optional-content-toc-scope h3[id],
.optional-content-toc-scope h4[id],
[data-optional-content-toc-page] h2[id],
[data-optional-content-toc-page] h3[id],
[data-optional-content-toc-page] h4[id] {
  scroll-margin-top: var(--optional-content-toc-scroll-offset, 6rem);
}

@media (max-width: 575.98px) {
  .optional-content-toc-scope .optional-content-toc-toggle {
    padding: 0.78rem 0.8rem;
  }

  .optional-content-toc-scope .optional-content-toc-list {
    padding-right: 0.65rem;
    padding-left: 0.65rem;
  }

  .optional-content-toc-scope .optional-content-toc-list .optional-content-toc-list {
    margin-left: 0.7rem;
    padding-left: 0.7rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .optional-content-toc-scope .optional-content-toc-icon,
  .optional-content-toc-scope .optional-content-toc-panel,
  .optional-content-toc-scope .optional-content-toc-link,
  .optional-content-toc-scope .optional-content-toc-nav {
    transition: none;
  }
}