/* SR-95/96 — Post TOC (TravelAddon) — sticky left rail; mobile closed; open: no visible scrollbar */
.sr-toc {
  --sr-toc-bg: #1a5a64; /* petrol / teal — matches legacy Inhaltsverzeichnis */
  --sr-toc-ink: #ffffff;
  --sr-toc-muted: #c5d0d3; /* title/count ≥4.5:1 on petrol */
  --sr-toc-line: #3c727b; /* subtle separators on petrol */
  --sr-toc-accent: #f6b888; /* orange numbers ≥4.5:1 on petrol (AA) */
  --sr-toc-accent-hot: #ffc080;
  --sr-toc-hover: rgba(255, 255, 255, 0.08);
  --sr-toc-active: rgba(246, 184, 136, 0.16);
  box-sizing: border-box;
  margin: 0 0 1.5rem;
  max-width: 100%;
  position: relative;
  z-index: 1;
  float: none;
}

.sr-toc__panel {
    background: var(--sr-surface-teal-grad);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 8px;
    padding: 0;
    overflow: hidden;
    color: var(--sr-toc-ink);
}

.sr-toc__summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.95rem 1rem 0.7rem;
  font-weight: 600;
  color: var(--sr-toc-muted);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-size: 0.78rem;
  user-select: none;
}

.sr-toc__summary::-webkit-details-marker {
  display: none;
}

.sr-toc__summary::after {
    content: "";
    width: 0.55rem;
    height: 0.55rem;
    border-right: 2px solid #ffffff;
    border-bottom: 2px solid #ffffff;
    transform: rotate(45deg);
    transition: transform 0.2s ease;
    flex-shrink: 0;
    margin-left: 0.25rem;
}

.sr-toc__panel[open] > .sr-toc__summary::after {
  transform: rotate(-135deg);
  margin-top: 0.25rem;
}

.sr-toc__label {
    flex: 1;
    font-size: 0.78rem;
    color: #feffff;
}

.sr-toc__count {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 1.55rem;
    height: 1.55rem;
    padding: 0 0.35rem;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.12);
    color: #ffffff;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0;
    text-transform: none;
}

.sr-toc__list {
  list-style: none;
  margin: 0;
  padding: 0.1rem 0.85rem 0.85rem;
  max-height: min(58vh, 420px);
  overflow: auto;
  scrollbar-width: thin;
  scrollbar-color: rgba(255, 255, 255, 0.35) transparent;
  counter-reset: sr-toc;
}

.sr-toc__item {
  margin: 0;
  border-bottom: 1px solid var(--sr-toc-line);
}

.sr-toc__item:last-child {
  border-bottom: none;
}

.sr-toc__item--h3 {
  padding-left: 0.35rem;
}

.sr-toc__item--h3 .sr-toc__link {
  font-size: 0.84rem;
  font-weight: 500;
}

.sr-toc__link {
  display: flex;
  align-items: flex-start;
  gap: 0.55rem;
  padding: 0.72rem 0.15rem;
  border-radius: 0;
  color: var(--sr-toc-ink) !important;
  text-decoration: none !important;
  font-size: 0.9rem;
  font-weight: 700;
  line-height: 1.35;
  border-left: 2px solid transparent;
  transition: color 0.15s ease, background 0.15s ease, border-color 0.15s ease;
}

.sr-toc__link::before {
  counter-increment: sr-toc;
  content: counter(sr-toc, decimal-leading-zero);
  flex: 0 0 auto;
  color: var(--sr-toc-accent);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.02em;
  min-width: 1.55rem;
  line-height: 1.35;
}

.sr-toc__link:hover,
.sr-toc__link:focus-visible {
  color: var(--sr-toc-ink) !important;
  background: var(--sr-toc-hover);
  outline: none;
}

.sr-toc__link:hover::before,
.sr-toc__link:focus-visible::before {
  color: var(--sr-toc-accent-hot);
}

.sr-toc__link.is-active {
  color: var(--sr-toc-ink) !important;
  background: var(--sr-toc-active);
  border-left-color: var(--sr-toc-accent);
  font-weight: 700;
}

.sr-toc__link.is-active::before {
  color: var(--sr-toc-accent-hot);
}

/* Desktop sticky rail — lives in theme CSS grid column (no negative margin / float overlay) */
@media (min-width: 1180px) {
  body.single-post.sr-toc-sticky .sr-toc--sticky {
    position: sticky;
    top: 5.5rem;
    width: 100%;
    max-width: 240px;
    float: none;
    margin: 0;
    z-index: 1;
    align-self: start;
  }

  body.single-post.sr-toc-sticky .sr-toc--sticky .sr-toc__panel {
    box-shadow: 0 14px 32px -18px rgba(10, 40, 48, 0.55);
  }

  body.single-post.sr-toc-sticky .sr-toc--sticky .sr-toc__list {
    max-height: min(70vh, 560px);
  }

  body.single-post.sr-toc-sticky .sr-toc--sticky .sr-toc__summary {
    pointer-events: none;
  }
  body.single-post.sr-toc-sticky .sr-toc--sticky .sr-toc__summary::after {
    display: none;
  }
}

@media (max-width: 1179px) {
  body.single-post .sr-toc--sticky {
    float: none;
    width: 100%;
    max-width: var(--sr-article-measure, 40.5rem);
    margin: 0 0 1.35rem;
    position: relative;
    z-index: 1;
  }

  /* Mobile: expand in document flow when open — no nested overflow (scroll-trap) */
  body.single-post .sr-toc .sr-toc__list {
    max-height: none;
    overflow: visible;
    /* SR-96: never show a vertical scrollbar if overflow ever engages */
    scrollbar-width: none;
    -ms-overflow-style: none;
  }
  body.single-post .sr-toc .sr-toc__list::-webkit-scrollbar {
    width: 0;
    height: 0;
    display: none;
  }

  /* Closed: keep panel compact; list stays in DOM for SEO but not interactive height */
  body.single-post .sr-toc .sr-toc__panel:not([open]) {
    overflow: hidden;
  }

  body.single-post .sr-toc .sr-toc__panel {
    touch-action: manipulation;
  }
}

@media (prefers-reduced-motion: reduce) {
  .sr-toc__summary::after,
  .sr-toc__link {
    transition: none;
  }
}

/* Hard rule — TOC must never paint over article/hero/cards */
.sr-toc,
.sr-toc.sr-toc--sticky,
body.single-post .sr-toc,
body.single-post .sr-toc--sticky {
  position: relative !important;
  left: auto !important;
  right: auto !important;
  float: none !important;
}
@media (min-width: 1180px) {
  body.single-post.sr-toc-sticky .sr-toc--sticky,
  body.single-post.sr-toc-sticky .single-layout-1 > .sr-toc--sticky {
    position: sticky !important; /* sticky inside reserved grid column only */
    left: auto !important;
    right: auto !important;
    float: none !important;
  }
}