/**
 * Section nav — "On this page" TOC (dropdown) + optional vertical sticky rail.
 * Replaces horizontal pill scroll rails for long operator/tenant pages.
 */

.rmc-section-nav--toc {
  margin-bottom: 0.75rem;
  max-width: 100%;
}

.rmc-section-nav__toc {
  border: var(--border-width-hairline, 0.5px) solid var(--hairline);
  border-radius: var(--radius-md, 12px);
  background: color-mix(
    in oklab,
    var(--surface-elevated, var(--surface-canvas)) 94%,
    transparent
  );
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
}

.rmc-section-nav__toc > summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  padding: 0.55rem 0.85rem;
  font-size: var(--type-size-caption, 0.8125rem);
  font-weight: 600;
  color: var(--text-primary);
  user-select: none;
}

.rmc-section-nav__toc > summary::-webkit-details-marker {
  display: none;
}

.rmc-section-nav__toc > summary::after {
  content: "▾";
  font-size: 0.75rem;
  color: var(--text-tertiary);
  transition: transform var(--motion-fast, 150ms) var(--ease-standard, ease);
}

.rmc-section-nav__toc[open] > summary::after {
  transform: rotate(180deg);
}

.rmc-section-nav--toc .rmc-section-nav__list {
  list-style: none;
  margin: 0;
  padding: 0.35rem 0.5rem 0.55rem;
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  max-height: min(16rem, 40vh);
  overflow-y: auto;
}

.rmc-section-nav--toc .rmc-section-nav__list a {
  display: block;
  padding: 0.4rem 0.55rem;
  border-radius: var(--radius-sm, 8px);
  font-size: var(--type-size-caption, 0.8125rem);
  font-weight: 600;
  color: var(--text-secondary);
  text-decoration: none;
  border: 0;
  background: transparent;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.rmc-section-nav--toc .rmc-section-nav__list a:hover {
  background: var(--surface-overlay);
  color: var(--text-primary);
}

.rmc-section-nav--toc .rmc-section-nav__list a.is-active,
.rmc-section-nav--toc .rmc-section-nav__list a.active {
  background: color-mix(in oklab, var(--school-primary, #4f46e5) 14%, transparent);
  color: var(--school-primary, var(--text-primary));
}

/* Vertical sticky rail (wide viewports) — opt-in via .rmc-section-nav--vertical */
@media (min-width: 1200px) {
  .rmc-section-nav-layout {
    display: grid;
    grid-template-columns: minmax(11rem, 14rem) minmax(0, 1fr);
    gap: 1.25rem;
    align-items: start;
  }

  .rmc-section-nav--vertical.rmc-section-nav--toc .rmc-section-nav__toc {
    position: sticky;
    top: var(--rmc-fold-nav-sticky-top, 4.25rem);
    border: var(--border-width-hairline, 0.5px) solid var(--hairline);
  }

  .rmc-section-nav--vertical.rmc-section-nav--toc .rmc-section-nav__toc > summary {
    pointer-events: none;
  }

  .rmc-section-nav--vertical.rmc-section-nav--toc .rmc-section-nav__toc > summary::after {
    display: none;
  }

  .rmc-section-nav--vertical.rmc-section-nav--toc .rmc-section-nav__toc[open] .rmc-section-nav__list,
  .rmc-section-nav--vertical.rmc-section-nav--toc .rmc-section-nav__list {
    max-height: calc(100vh - 8rem);
  }
}

/* Deprecated: sticky TOC under page-fold — use .rmc-section-nav--inline (static) instead */
[data-rmc-page-fold-nav="required"] .rmc-section-nav--toc.rmc-page-fold-nav--sticky {
  position: static;
  top: auto;
  z-index: auto;
}

/* Static inline section jumps — default for curated + auto-generated nav */
.rmc-section-nav--inline {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 0.65rem;
  max-width: 100%;
}

.rmc-section-nav__inline-label {
  flex: 0 0 auto;
  font-size: var(--type-size-caption, 0.8125rem);
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-tertiary);
  white-space: nowrap;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
}

.rmc-section-nav--inline .rmc-surface-subnav {
  flex: 1 1 auto;
  min-width: 0;
  /* In-page section jumps render frameless — no floating bordered chrome. */
  padding: 0;
  border: 0;
  background: transparent;
  -webkit-backdrop-filter: none;
  backdrop-filter: none;
}

body.admin-manager-shell .cp-admin-v1-index .cp-hero + .cp-steering {
  margin-top: 0;
}

body.admin-manager-shell .cp-admin-v1-index .cp-steering {
  margin-bottom: 0.5rem;
}

/* Cross-page surface subnav (e.g. AI Center tabs) — segmented control, not scroll pills */
.rmc-surface-subnav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  padding: 0.25rem;
  border-radius: var(--radius-md, 12px);
  border: var(--border-width-hairline, 0.5px) solid var(--hairline);
  background: color-mix(
    in oklab,
    var(--surface-elevated, var(--surface-canvas)) 92%,
    transparent
  );
}

.rmc-surface-subnav .rmc-section-nav__link {
  display: inline-flex;
  align-items: center;
  min-height: 2rem;
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-sm, 8px);
  font-size: var(--type-size-caption, 0.8125rem);
  font-weight: 600;
  color: var(--text-secondary);
  text-decoration: none;
  border: 0;
  background: transparent;
  white-space: nowrap;
  min-width: 0;
  max-width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
}

.rmc-surface-subnav .rmc-section-nav__link:hover {
  background: var(--surface-overlay);
  color: var(--text-primary);
}

.rmc-surface-subnav .rmc-section-nav__link.is-active,
.rmc-surface-subnav .rmc-section-nav__link.active {
  background: color-mix(in oklab, var(--school-primary, #4f46e5) 14%, transparent);
  color: var(--school-primary, var(--text-primary));
}