.catoc-container {
  --catoc-bg: #fffdf8;
  --catoc-border: #e8dccd;
  --catoc-text: #211f1c;
  --catoc-muted: #7a6d5f;
  --catoc-accent: #111111;
  --catoc-tick: #c8b7a4;
  --catoc-active-bg: #fff7e8;
  --catoc-width: 100%;
  --catoc-font-size: 15px;
  --catoc-sticky-offset: 96px;
  box-sizing: border-box;
  width: var(--catoc-width);
  max-width: 100%;
  margin: 1.5rem 0;
  padding: 12px;
  border: 1px solid var(--catoc-border);
  border-radius: 24px;
  background:
    radial-gradient(circle at 18px 18px, rgba(255, 255, 255, .9), transparent 28px),
    linear-gradient(145deg, rgba(255, 255, 255, .76), rgba(255, 248, 235, .94)),
    var(--catoc-bg);
  color: var(--catoc-text);
  font-size: var(--catoc-font-size, 15px);
  line-height: 1.45;
  box-shadow: 0 18px 48px rgba(61, 43, 22, .11), inset 0 1px 0 rgba(255, 255, 255, .7);
  isolation: isolate;
  position: relative;
}

.catoc-container,
.catoc-container * {
  box-sizing: border-box;
}

.catoc-container a {
  color: inherit;
  text-decoration: none;
}

.catoc-align-center {
  margin-left: auto;
  margin-right: auto;
}

.catoc-align-left {
  float: left;
  max-width: min(100%, 430px);
  margin-right: 1.5rem;
}

.catoc-align-right {
  float: right;
  max-width: min(100%, 430px);
  margin-left: 1.5rem;
}

.catoc-align-wide {
  width: 100%;
}

.catoc-is-sticky {
  position: sticky;
  top: var(--catoc-sticky-offset);
  z-index: 20;
}

.catoc-is-sticky.catoc-drawer-ready {
  position: fixed;
  top: var(--catoc-sticky-offset);
  left: max(14px, env(safe-area-inset-left));
  width: min(380px, calc(100vw - 28px));
  max-width: calc(100vw - 28px);
  max-height: calc(100vh - var(--catoc-sticky-offset) - 24px);
  margin: 0;
  float: none;
  overflow: auto;
  overscroll-behavior: contain;
  z-index: 100000;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateX(calc(-100% - 18px));
  transition: transform .32s cubic-bezier(.2, .8, .2, 1), opacity .22s ease, visibility .22s ease;
}

.catoc-is-sticky.catoc-drawer-ready.is-drawer-open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateX(0);
}

.catoc-theme-current {
  background: transparent;
  box-shadow: none;
}

.catoc-theme-wood {
  background:
    linear-gradient(135deg, rgba(255, 255, 255, .34), rgba(92, 53, 20, .05)),
    repeating-linear-gradient(90deg, rgba(116, 74, 36, .08) 0 3px, transparent 3px 12px),
    var(--catoc-bg);
}

.catoc-theme-glassy {
  background: rgba(255, 255, 255, .62);
  -webkit-backdrop-filter: blur(18px);
  backdrop-filter: blur(18px);
}

.catoc-theme-tape::before,
.catoc-theme-tape::after {
  content: "";
  position: absolute;
  top: -10px;
  width: 72px;
  height: 22px;
  background: rgba(244, 217, 151, .62);
  border: 1px solid rgba(172, 130, 63, .22);
  transform: rotate(-6deg);
  z-index: 2;
  border-radius: 3px;
}

.catoc-theme-tape::before {
  left: 28px;
}

.catoc-theme-tape::after {
  right: 28px;
  transform: rotate(5deg);
}

.catoc-theme-bar {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin: 0 0 10px;
  padding: 4px;
  border: 1px solid rgba(120, 105, 85, .16);
  border-radius: 999px;
  background: rgba(255, 255, 255, .54);
}

.catoc-theme-pill {
  appearance: none;
  border: 0;
  border-radius: 999px;
  background: transparent;
  color: var(--catoc-muted);
  cursor: pointer;
  font: inherit;
  font-size: 12px;
  line-height: 1;
  padding: 7px 10px;
}

.catoc-theme-pill.is-active {
  background: var(--catoc-accent);
  color: #fff;
}

.catoc-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 8px 10px 12px;
}

.catoc-title {
  font-weight: 760;
  letter-spacing: -.02em;
}

.catoc-toggle {
  appearance: none;
  border: 1px solid rgba(120, 105, 85, .18);
  border-radius: 999px;
  background: rgba(255, 255, 255, .72);
  color: var(--catoc-muted);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font: inherit;
  font-size: 12px;
  padding: 6px 10px;
}

.catoc-toggle-icon {
  width: 8px;
  height: 8px;
  border-right: 1.7px solid currentColor;
  border-bottom: 1.7px solid currentColor;
  transform: rotate(45deg) translateY(-1px);
  transition: transform .2s ease;
}

.catoc-container.is-collapsed .catoc-toggle-icon {
  transform: rotate(-45deg) translateY(1px);
}

.catoc-container.is-collapsed .catoc-body,
.catoc-container.is-collapsed .catoc-footer,
.catoc-container.is-collapsed .catoc-view-more {
  display: none;
}

.catoc-body {
  display: grid;
  grid-template-columns: 64px minmax(0, 1fr);
  gap: 8px;
  position: relative;
  min-height: 60px;
  padding: 2px 4px 4px 0;
}

.catoc-rail {
  position: relative;
  min-height: 100%;
  width: 64px;
  touch-action: none;
}

.catoc-ball {
  position: absolute;
  left: 18px;
  top: 0;
  width: 16px;
  height: 16px;
  transform: translateY(0) translateY(-50%);
  border-radius: 999px;
  background: var(--catoc-accent);
  box-shadow: 0 8px 24px rgba(0, 0, 0, .24), 0 0 0 7px rgba(0, 0, 0, .045);
  cursor: grab;
  z-index: 4;
  will-change: transform;
}

.catoc-ball.is-dragging {
  cursor: grabbing;
  box-shadow: 0 12px 32px rgba(0, 0, 0, .28), 0 0 0 9px rgba(0, 0, 0, .06);
}

.catoc-origin-dot {
  position: absolute;
  inset: 5px;
  border-radius: 999px;
  background: rgba(255, 255, 255, .8);
}

.catoc-scale {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.catoc-tick {
  position: absolute;
  left: 16px;
  height: 2px;
  width: 22px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--catoc-tick), var(--catoc-accent) calc(var(--catoc-heat, 0) * 46%));
  opacity: calc(.52 + (var(--catoc-heat, 0) * .38));
  transform: translateY(-50%);
  transform-origin: left center;
  will-change: transform, width, opacity;
}

.catoc-tick.is-long {
  height: 2.5px;
}

.catoc-tick.catoc-line {
  height: 3px;
  background: var(--catoc-accent);
  opacity: .9;
}

.catoc-list,
.catoc-sublist {
  list-style: none;
  margin: 0;
  padding: 0;
}

.catoc-list {
  position: relative;
  min-width: 0;
}

.catoc-sublist {
  margin-left: 0;
}

.catoc-item {
  position: relative;
  margin: 0;
  padding: 0;
}

.catoc-link {
  display: flex;
  align-items: baseline;
  gap: 9px;
  min-height: 34px;
  width: 100%;
  border-radius: 14px;
  padding: 7px 10px;
  color: color-mix(in srgb, var(--catoc-text), var(--catoc-muted) 30%);
  font-weight: 540;
  line-height: 1.25;
  transition: background .18s ease, color .18s ease, opacity .18s ease;
  will-change: transform, width;
}

.catoc-is-flat .catoc-link {
  padding-left: calc(10px + (var(--catoc-depth, 0) * 12px));
}

.catoc-sublist .catoc-link {
  font-size: .94em;
  opacity: .91;
}

.catoc-counter {
  flex: 0 0 auto;
  min-width: 2.2ch;
  color: var(--catoc-muted);
  font-variant-numeric: tabular-nums;
  font-size: .82em;
}

.catoc-link-text {
  min-width: 0;
  overflow-wrap: anywhere;
}

.catoc-link:hover,
.catoc-link:focus-visible {
  background: rgba(255, 255, 255, .62);
  color: var(--catoc-text);
  outline: none;
}

.catoc-link.is-active,
.catoc-item.is-active > .catoc-link {
  background: var(--catoc-active-bg);
  color: var(--catoc-accent);
  font-weight: 760;
}

.catoc-link.is-active .catoc-counter,
.catoc-item.is-active > .catoc-link .catoc-counter {
  color: var(--catoc-accent);
}

.catoc-overflow-item {
  display: list-item;
}

.catoc-container:not(.catoc-view-all) .catoc-overflow-item {
  display: none;
}

.catoc-subtoggle {
  appearance: none;
  position: absolute;
  left: -2px;
  top: 7px;
  width: 20px;
  height: 20px;
  border: 0;
  border-radius: 999px;
  background: transparent;
  color: var(--catoc-muted);
  cursor: pointer;
  z-index: 2;
}

.catoc-subtoggle::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 5px;
  width: 7px;
  height: 7px;
  border-right: 1.6px solid currentColor;
  border-bottom: 1.6px solid currentColor;
  transform: rotate(45deg);
}

.catoc-has-children.is-subcollapsed > .catoc-subtoggle::before {
  transform: rotate(-45deg);
}

.catoc-has-children.is-subcollapsed > .catoc-sublist {
  display: none;
}

.catoc-footer {
  display: flex;
  align-items: center;
  gap: 7px;
  margin-top: 10px;
  padding: 8px 10px 2px;
  color: var(--catoc-muted);
}

.catoc-nav-button {
  appearance: none;
  border: 1px solid rgba(120, 105, 85, .18);
  border-radius: 999px;
  background: rgba(255, 255, 255, .72);
  color: var(--catoc-text);
  cursor: pointer;
  width: 28px;
  height: 28px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font: inherit;
  line-height: 1;
}

.catoc-nav-button:disabled {
  cursor: not-allowed;
  opacity: .38;
}

.catoc-hint {
  margin-left: 4px;
  font-size: 11px;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.catoc-view-more {
  appearance: none;
  width: calc(100% - 16px);
  margin: 10px 8px 2px;
  border: 1px solid rgba(120, 105, 85, .18);
  border-radius: 999px;
  background: rgba(255, 255, 255, .7);
  color: var(--catoc-text);
  cursor: pointer;
  font: inherit;
  font-size: 13px;
  padding: 9px 12px;
}

.catoc-sitemap {
  display: grid;
  gap: 1.5rem;
}

.catoc-sitemap ul {
  margin-left: 1.2rem;
}


.catoc-drawer-toggle {
  appearance: none;
  position: fixed;
  left: 0;
  top: 50vh;
  transform: translateY(-50%);
  z-index: 100001;
  min-width: 42px;
  min-height: 104px;
  border: 1px solid rgba(120, 105, 85, .2);
  border-left: 0;
  border-radius: 0 22px 22px 0;
  background:
    radial-gradient(circle at 15px 15px, rgba(255, 255, 255, .9), transparent 25px),
    linear-gradient(145deg, rgba(255, 255, 255, .86), rgba(255, 248, 235, .96));
  color: var(--catoc-text, #211f1c);
  box-shadow: 0 14px 38px rgba(61, 43, 22, .16), inset 0 1px 0 rgba(255, 255, 255, .76);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 7px;
  padding: 12px 8px 12px 7px;
  font: inherit;
  font-size: 12px;
  line-height: 1;
  letter-spacing: .08em;
  text-transform: uppercase;
  transition: transform .22s ease, box-shadow .22s ease, background .22s ease;
}

.catoc-drawer-toggle:hover,
.catoc-drawer-toggle:focus-visible,
.catoc-drawer-toggle.is-active {
  background: var(--catoc-bg, #fffdf8);
  box-shadow: 0 18px 46px rgba(61, 43, 22, .22), inset 0 1px 0 rgba(255, 255, 255, .84);
  outline: none;
}

.catoc-drawer-toggle-icon {
  display: grid;
  place-items: center;
  width: 20px;
  height: 20px;
  border-radius: 999px;
  background: var(--catoc-accent, #111);
  color: #fff;
  font-size: 13px;
  line-height: 1;
}

.catoc-drawer-toggle-text {
  writing-mode: vertical-rl;
  text-orientation: mixed;
}

.catoc-drawer-current {
  display: none;
}

.catoc-drawer-backdrop {
  position: fixed;
  inset: 0;
  z-index: 99999;
  background: rgba(20, 18, 16, .13);
  opacity: 0;
  pointer-events: none;
  transition: opacity .22s ease;
}

.catoc-drawer-backdrop.is-active {
  opacity: 1;
  pointer-events: auto;
}

.catoc-drawer-ready .catoc-header {
  position: sticky;
  top: -12px;
  z-index: 5;
  margin: -12px -12px 8px;
  padding: 16px 18px 12px;
  border-radius: 24px 24px 0 0;
  background: linear-gradient(180deg, rgba(255, 253, 248, .96), rgba(255, 253, 248, .82));
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
}

.catoc-drawer-ready .catoc-body {
  max-height: calc(100vh - var(--catoc-sticky-offset) - 146px);
  overflow: auto;
  overscroll-behavior: contain;
  padding-right: 4px;
}



/* Floating sticky drawer mode: keeps the article TOC in flow and exposes a side launcher. */
.catoc-sticky-drawer-source {
  position: relative;
}

.catoc-floating-shell {
  --catoc-bg: #fffdf8;
  --catoc-border: #e8dccd;
  --catoc-text: #211f1c;
  --catoc-muted: #7a6d5f;
  --catoc-accent: #111111;
  --catoc-active-bg: #fff7e8;
  --catoc-sticky-offset: 96px;
  position: fixed;
  top: calc(var(--catoc-sticky-offset, 96px) + 18px);
  left: max(12px, env(safe-area-inset-left));
  z-index: 99990;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateX(-10px);
  transition: opacity .18s ease, transform .18s ease, visibility .18s ease;
  font-family: inherit;
}

.catoc-floating-shell.catoc-side-right {
  left: auto;
  right: max(12px, env(safe-area-inset-right));
  transform: translateX(10px);
}

.catoc-floating-shell.is-visible,
.catoc-floating-shell.is-open {
  opacity: 1;
  visibility: visible;
  transform: translateX(0);
}

.catoc-floating-toggle {
  pointer-events: auto;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 42px;
  max-width: 180px;
  padding: 10px 14px;
  border: 1px solid color-mix(in srgb, var(--catoc-border), var(--catoc-accent) 18%);
  border-radius: 999px;
  background:
    radial-gradient(circle at 16px 14px, rgba(255, 255, 255, .88), transparent 30px),
    linear-gradient(145deg, rgba(255, 255, 255, .92), rgba(255, 248, 235, .98)),
    var(--catoc-bg);
  color: var(--catoc-text);
  box-shadow: 0 16px 40px rgba(31, 25, 17, .16), inset 0 1px 0 rgba(255, 255, 255, .75);
  cursor: pointer;
  font: inherit;
  font-size: 13px;
  font-weight: 750;
  letter-spacing: .02em;
  line-height: 1;
  user-select: none;
}

.catoc-floating-toggle:hover,
.catoc-floating-toggle:focus-visible {
  color: var(--catoc-accent);
  outline: none;
  box-shadow: 0 18px 48px rgba(31, 25, 17, .22), 0 0 0 3px color-mix(in srgb, var(--catoc-accent), transparent 82%);
}

.catoc-floating-toggle-icon {
  display: inline-grid;
  place-items: center;
  inline-size: 20px;
  block-size: 20px;
  border-radius: 999px;
  background: var(--catoc-accent);
  color: #fff;
  font-size: 13px;
  line-height: 1;
}

.catoc-floating-panel {
  pointer-events: auto;
  position: absolute;
  top: 0;
  left: calc(100% + 12px);
  width: min(390px, calc(100vw - 96px));
  max-height: calc(100vh - var(--catoc-sticky-offset, 96px) - 40px);
  opacity: 0;
  transform: translateX(-8px) scale(.98);
  transform-origin: top left;
  transition: opacity .18s ease, transform .18s ease;
}

.catoc-floating-panel[hidden] {
  display: none !important;
}

.catoc-floating-shell.catoc-side-right .catoc-floating-panel {
  left: auto;
  right: calc(100% + 12px);
  transform: translateX(8px) scale(.98);
  transform-origin: top right;
}

.catoc-floating-shell.is-open .catoc-floating-panel {
  opacity: 1;
  transform: translateX(0) scale(1);
}

.catoc-floating-panel .catoc-container {
  width: 100%;
  max-height: inherit;
  margin: 0;
  overflow: auto;
  overscroll-behavior: contain;
  box-shadow: 0 24px 70px rgba(31, 25, 17, .22), inset 0 1px 0 rgba(255, 255, 255, .75);
}

.catoc-floating-panel .catoc-container:focus {
  outline: none;
}

.catoc-floating-panel .catoc-footer {
  position: sticky;
  bottom: -12px;
  z-index: 2;
  margin-inline: -4px;
  padding-block: 10px;
  background: linear-gradient(to top, var(--catoc-bg), color-mix(in srgb, var(--catoc-bg), transparent 20%));
  border-radius: 16px;
}

body.catoc-floating-drawer-open {
  overflow-x: clip;
}

@media (max-width: 782px) {
  .catoc-floating-shell,
  .catoc-floating-shell.catoc-side-right {
    top: auto;
    bottom: calc(16px + env(safe-area-inset-bottom));
    left: 16px;
    right: auto;
    transform: translateY(10px);
  }

  .catoc-floating-shell.catoc-side-right {
    left: auto;
    right: 16px;
  }

  .catoc-floating-shell.is-visible,
  .catoc-floating-shell.is-open,
  .catoc-floating-shell.catoc-side-right.is-visible,
  .catoc-floating-shell.catoc-side-right.is-open {
    transform: translateY(0);
  }

  .catoc-floating-toggle {
    min-height: 46px;
    padding: 12px 16px;
    box-shadow: 0 16px 46px rgba(31, 25, 17, .24);
  }

  .catoc-floating-panel,
  .catoc-floating-shell.catoc-side-right .catoc-floating-panel {
    position: fixed;
    left: 12px;
    right: 12px;
    top: auto;
    bottom: calc(72px + env(safe-area-inset-bottom));
    width: auto;
    max-height: min(72vh, 620px);
    transform: translateY(10px) scale(.98);
    transform-origin: bottom center;
  }

  .catoc-floating-shell.is-open .catoc-floating-panel,
  .catoc-floating-shell.catoc-side-right.is-open .catoc-floating-panel {
    transform: translateY(0) scale(1);
  }

  .catoc-floating-panel .catoc-container {
    border-radius: 22px;
  }
}

@media print {
  .catoc-floating-shell {
    display: none !important;
  }
}

@media (max-width: 768px) {
  .catoc-container {
    border-radius: 18px;
    padding: 10px;
  }

  .catoc-is-sticky.catoc-drawer-ready {
    top: auto;
    left: max(12px, env(safe-area-inset-left));
    right: max(12px, env(safe-area-inset-right));
    bottom: calc(74px + env(safe-area-inset-bottom));
    width: auto;
    max-width: none;
    max-height: min(72vh, 620px);
    border-radius: 22px;
    transform: translateY(calc(100% + 96px));
  }

  .catoc-is-sticky.catoc-drawer-ready.is-drawer-open {
    transform: translateY(0);
  }

  .catoc-drawer-ready .catoc-body {
    max-height: min(58vh, 500px);
  }

  .catoc-drawer-toggle {
    left: 50%;
    top: auto;
    bottom: calc(16px + env(safe-area-inset-bottom));
    transform: translateX(-50%);
    min-width: 0;
    min-height: 48px;
    border: 1px solid rgba(120, 105, 85, .2);
    border-radius: 999px;
    flex-direction: row;
    gap: 9px;
    padding: 0 16px;
    letter-spacing: 0;
    text-transform: none;
    max-width: calc(100vw - 28px);
  }

  .catoc-drawer-toggle-text {
    writing-mode: horizontal-tb;
  }

  .catoc-drawer-current {
    display: inline-block;
    max-width: 44vw;
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
    color: var(--catoc-muted, #7a6d5f);
    font-size: 12px;
  }

  .catoc-hide-on-mobile {
    display: none !important;
  }

  .catoc-body {
    grid-template-columns: 50px minmax(0, 1fr);
  }

  .catoc-rail {
    width: 50px;
  }

  .catoc-ball {
    left: 12px;
  }

  .catoc-tick {
    left: 10px;
  }

  .catoc-hint {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .catoc-link,
  .catoc-toggle-icon {
    transition: none;
  }
}

/* Floating sticky drawer mode: keeps the in-article TOC in normal document flow and exposes a lightweight launcher instead. */
.catoc-sticky-drawer-source {
  position: relative;
}

.catoc-floating-toc,
.catoc-floating-toc * {
  box-sizing: border-box;
}

.catoc-floating-toc {
  --catoc-bg: #fffdf8;
  --catoc-border: #e8dccd;
  --catoc-text: #211f1c;
  --catoc-muted: #7a6d5f;
  --catoc-accent: #111111;
  --catoc-active-bg: #fff7e8;
  --catoc-sticky-offset: 96px;
  position: fixed;
  inset: 0 auto auto 0;
  z-index: 99990;
  color: var(--catoc-text);
  font: inherit;
  pointer-events: none;
}

.catoc-floating-trigger {
  appearance: none;
  pointer-events: auto;
  position: fixed;
  top: calc(50vh + (var(--catoc-floating-index, 0) * 66px));
  left: 14px;
  transform: translateY(-50%);
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  width: 52px;
  min-height: 76px;
  border: 1px solid color-mix(in srgb, var(--catoc-border), var(--catoc-accent) 12%);
  border-radius: 999px;
  background:
    radial-gradient(circle at 16px 14px, rgba(255, 255, 255, .92), transparent 28px),
    linear-gradient(145deg, rgba(255, 255, 255, .9), rgba(255, 248, 235, .96)),
    var(--catoc-bg);
  color: var(--catoc-accent);
  box-shadow: 0 16px 44px rgba(20, 16, 10, .18), inset 0 1px 0 rgba(255, 255, 255, .8);
  cursor: pointer;
  transition: transform .2s ease, opacity .2s ease, box-shadow .2s ease, border-color .2s ease;
}

.catoc-floating-side-right .catoc-floating-trigger {
  right: 14px;
  left: auto;
}

.catoc-floating-trigger:hover,
.catoc-floating-trigger:focus-visible {
  border-color: color-mix(in srgb, var(--catoc-border), var(--catoc-accent) 30%);
  box-shadow: 0 20px 54px rgba(20, 16, 10, .22), inset 0 1px 0 rgba(255, 255, 255, .85);
  outline: none;
}

.catoc-floating-trigger:active {
  transform: translateY(-50%) scale(.97);
}

.catoc-floating-toc.is-open .catoc-floating-trigger {
  opacity: 0;
  transform: translateY(-50%) scale(.92);
  pointer-events: none;
}

/* Keep the launcher visible. Earlier builds hid this button when the inline TOC
   was detected in view, but some themes/cache layers made that detection too
   eager, which caused the sticky launcher to never appear. */
.catoc-floating-toc.is-inline-visible:not(.is-open) .catoc-floating-trigger,
.catoc-floating-side-right.is-inline-visible:not(.is-open) .catoc-floating-trigger {
  opacity: 1;
  pointer-events: auto;
}

.catoc-floating-trigger-mark {
  display: grid;
  gap: 3px;
}

.catoc-floating-trigger-mark span {
  display: block;
  width: 18px;
  height: 2px;
  border-radius: 999px;
  background: currentColor;
}

.catoc-floating-trigger-mark span:nth-child(2) {
  width: 13px;
}

.catoc-floating-trigger-text {
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .06em;
  line-height: 1;
}

.catoc-floating-panel {
  pointer-events: auto;
  position: fixed;
  top: max(18px, calc(var(--catoc-sticky-offset, 96px) + 10px));
  bottom: 18px;
  left: 14px;
  width: min(390px, calc(100vw - 28px));
  display: flex;
  flex-direction: column;
  border: 1px solid color-mix(in srgb, var(--catoc-border), var(--catoc-accent) 8%);
  border-radius: 28px;
  background:
    radial-gradient(circle at 28px 26px, rgba(255, 255, 255, .92), transparent 48px),
    linear-gradient(145deg, rgba(255, 255, 255, .88), rgba(255, 248, 235, .96)),
    var(--catoc-bg);
  box-shadow: 0 24px 80px rgba(20, 16, 10, .24), inset 0 1px 0 rgba(255, 255, 255, .8);
  overflow: hidden;
  opacity: 0;
  visibility: hidden;
  transform: translateX(calc(-100% - 30px));
  transition: transform .28s cubic-bezier(.22, 1, .36, 1), opacity .22s ease, visibility .22s ease;
}

.catoc-floating-side-right .catoc-floating-panel {
  right: 14px;
  left: auto;
  transform: translateX(calc(100% + 30px));
}

.catoc-floating-toc.is-open .catoc-floating-panel {
  opacity: 1;
  visibility: visible;
  transform: translateX(0);
}

.catoc-floating-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 14px 8px 18px;
  flex: 0 0 auto;
}

.catoc-floating-title {
  color: var(--catoc-muted);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.catoc-floating-close {
  appearance: none;
  width: 34px;
  height: 34px;
  border: 1px solid color-mix(in srgb, var(--catoc-border), var(--catoc-accent) 8%);
  border-radius: 999px;
  background: rgba(255, 255, 255, .72);
  color: var(--catoc-text);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font: inherit;
  font-size: 21px;
  line-height: 1;
}

.catoc-floating-close:hover,
.catoc-floating-close:focus-visible {
  outline: none;
  border-color: color-mix(in srgb, var(--catoc-border), var(--catoc-accent) 28%);
}

.catoc-floating-nav.catoc-container {
  width: 100%;
  max-width: none;
  flex: 1 1 auto;
  min-height: 0;
  margin: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
  overflow: auto;
  -webkit-overflow-scrolling: touch;
}

.catoc-floating-nav .catoc-header {
  padding-top: 4px;
}

.catoc-floating-nav .catoc-body {
  min-height: 120px;
}

body.admin-bar .catoc-floating-panel {
  top: max(52px, calc(var(--catoc-sticky-offset, 96px) + 10px));
}

@media (min-width: 783px) {
  body.admin-bar .catoc-floating-panel {
    top: max(46px, calc(var(--catoc-sticky-offset, 96px) + 10px));
  }
}

@media (max-width: 768px) {
  .catoc-floating-trigger,
  .catoc-floating-side-right .catoc-floating-trigger {
    top: auto;
    right: auto;
    bottom: 18px;
    left: 16px;
    width: auto;
    min-height: 48px;
    flex-direction: row;
    padding: 0 15px;
    transform: none;
  }

  .catoc-floating-trigger:active,
  .catoc-floating-toc.is-open .catoc-floating-trigger,
  .catoc-floating-toc.is-inline-visible:not(.is-open) .catoc-floating-trigger,
  .catoc-floating-side-right.is-inline-visible:not(.is-open) .catoc-floating-trigger {
    transform: none;
  }

  .catoc-floating-panel,
  .catoc-floating-side-right .catoc-floating-panel {
    top: auto;
    right: 10px;
    bottom: 10px;
    left: 10px;
    width: auto;
    max-height: min(76vh, 620px);
    border-radius: 24px;
    transform: translateY(calc(100% + 28px));
  }

  .catoc-floating-toc.is-open .catoc-floating-panel {
    transform: translateY(0);
  }
}


/* v0.1.3 visibility hardening */
.catoc-floating-toc .catoc-floating-trigger {
  z-index: 2147483000;
}

.catoc-floating-toc .catoc-floating-panel {
  z-index: 2147483001;
}

body.admin-bar .catoc-floating-trigger {
  /* Keep the launcher below the WordPress admin bar while staying visible. */
  top: max(96px, calc(50vh + (var(--catoc-floating-index, 0) * 66px)));
}

@media (max-width: 768px) {
  body.admin-bar .catoc-floating-trigger,
  body.admin-bar .catoc-floating-side-right .catoc-floating-trigger {
    top: auto;
  }
}

/* v0.1.4 drawer stability + responsive hardening
   The moving label now uses transform only; reserve a fixed lane so text does not
   re-wrap on every animation frame. This prevents section-boundary shaking in
   long headings and narrow floating drawers. */
.catoc-container .catoc-list {
  padding-inline-end: 58px;
}

.catoc-container .catoc-link {
  width: 100% !important;
  max-width: 100%;
  transform: translate3d(var(--catoc-link-offset, 0px), 0, 0);
  backface-visibility: hidden;
}

.catoc-floating-nav .catoc-link,
.catoc-floating-nav .catoc-link.is-active,
.catoc-floating-nav .catoc-item.is-active > .catoc-link {
  font-weight: 650;
}

.catoc-floating-nav .catoc-link.is-active,
.catoc-floating-nav .catoc-item.is-active > .catoc-link {
  box-shadow: inset 3px 0 0 color-mix(in srgb, var(--catoc-accent), transparent 20%);
}

.catoc-floating-nav .catoc-toggle,
.catoc-no-internal-toggle .catoc-toggle {
  display: none !important;
}

.catoc-no-internal-toggle.is-collapsed .catoc-body {
  display: grid !important;
}

.catoc-no-internal-toggle.is-collapsed .catoc-footer {
  display: flex !important;
}

.catoc-no-internal-toggle.is-collapsed .catoc-view-more {
  display: block !important;
}

.catoc-floating-toc {
  z-index: 2147483000;
}

.catoc-floating-trigger {
  top: clamp(calc(var(--catoc-sticky-offset, 96px) + 72px), 50vh, calc(100vh - 104px));
  left: max(10px, env(safe-area-inset-left));
  transform: translate3d(0, -50%, 0);
  will-change: transform, opacity;
}

.catoc-floating-side-right .catoc-floating-trigger {
  right: max(10px, env(safe-area-inset-right));
  left: auto;
}

.catoc-floating-trigger:active {
  transform: translate3d(0, -50%, 0) scale(.97);
}

.catoc-floating-toc.is-open .catoc-floating-trigger {
  transform: translate3d(0, -50%, 0) scale(.92);
}

.catoc-floating-panel {
  top: max(14px, calc(var(--catoc-sticky-offset, 96px) + 8px));
  bottom: max(14px, env(safe-area-inset-bottom));
  left: max(14px, env(safe-area-inset-left));
  width: clamp(310px, 31vw, 430px);
  max-width: calc(100vw - 28px);
  max-height: none;
  transform: translate3d(calc(-100% - 30px), 0, 0);
  will-change: transform, opacity;
}

.catoc-floating-side-right .catoc-floating-panel {
  right: max(14px, env(safe-area-inset-right));
  left: auto;
  transform: translate3d(calc(100% + 30px), 0, 0);
}

.catoc-floating-toc.is-open .catoc-floating-panel,
.catoc-floating-side-right.is-open .catoc-floating-panel {
  transform: translate3d(0, 0, 0);
}

body.admin-bar .catoc-floating-panel {
  top: max(52px, calc(var(--catoc-sticky-offset, 96px) + 8px));
}

@media (min-width: 783px) {
  body.admin-bar .catoc-floating-panel {
    top: max(46px, calc(var(--catoc-sticky-offset, 96px) + 8px));
  }
}

@supports (height: 100dvh) {
  .catoc-floating-trigger {
    top: clamp(calc(var(--catoc-sticky-offset, 96px) + 72px), 50dvh, calc(100dvh - 104px));
  }
}

@media (max-width: 1024px) {
  .catoc-floating-panel {
    width: min(380px, calc(100vw - 28px));
  }

  .catoc-floating-nav .catoc-list {
    padding-inline-end: 54px;
  }
}

@media (max-width: 782px) {
  .catoc-floating-trigger,
  .catoc-floating-side-right .catoc-floating-trigger,
  body.admin-bar .catoc-floating-trigger,
  body.admin-bar .catoc-floating-side-right .catoc-floating-trigger {
    top: auto;
    right: auto;
    bottom: max(16px, env(safe-area-inset-bottom));
    left: max(16px, env(safe-area-inset-left));
    width: auto;
    min-width: 88px;
    max-width: calc(100vw - 32px);
    min-height: 48px;
    flex-direction: row;
    padding: 0 15px;
    transform: translate3d(0, 0, 0);
  }

  .catoc-floating-side-right .catoc-floating-trigger,
  body.admin-bar .catoc-floating-side-right .catoc-floating-trigger {
    right: max(16px, env(safe-area-inset-right));
    left: auto;
  }

  .catoc-floating-trigger:active,
  .catoc-floating-toc.is-open .catoc-floating-trigger,
  .catoc-floating-toc.is-inline-visible:not(.is-open) .catoc-floating-trigger,
  .catoc-floating-side-right.is-inline-visible:not(.is-open) .catoc-floating-trigger {
    transform: translate3d(0, 0, 0);
  }

  .catoc-floating-panel,
  .catoc-floating-side-right .catoc-floating-panel,
  body.admin-bar .catoc-floating-panel {
    top: auto;
    right: max(10px, env(safe-area-inset-right));
    bottom: max(10px, env(safe-area-inset-bottom));
    left: max(10px, env(safe-area-inset-left));
    width: auto;
    max-width: none;
    max-height: min(82vh, 680px);
    border-radius: 24px;
    transform: translate3d(0, calc(100% + 32px), 0);
  }

  .catoc-floating-toc.is-open .catoc-floating-panel,
  .catoc-floating-side-right.is-open .catoc-floating-panel {
    transform: translate3d(0, 0, 0);
  }

  .catoc-floating-header {
    padding: 12px 12px 6px 16px;
  }

  .catoc-floating-nav.catoc-container {
    max-height: inherit;
  }

  .catoc-floating-nav .catoc-header {
    padding-top: 2px;
    padding-bottom: 8px;
  }

  .catoc-floating-nav .catoc-body {
    grid-template-columns: 48px minmax(0, 1fr);
  }

  .catoc-floating-nav .catoc-rail {
    width: 48px;
  }

  .catoc-floating-nav .catoc-ball {
    left: 11px;
  }

  .catoc-floating-nav .catoc-tick {
    left: 9px;
  }

  .catoc-floating-nav .catoc-list {
    padding-inline-end: 52px;
  }

  .catoc-floating-nav .catoc-link {
    min-height: 32px;
    padding: 6px 8px;
    font-size: 14px;
  }
}

@supports (height: 100dvh) {
  @media (max-width: 782px) {
    .catoc-floating-panel,
    .catoc-floating-side-right .catoc-floating-panel,
    body.admin-bar .catoc-floating-panel {
      max-height: min(82dvh, 680px);
    }
  }
}

@media (max-width: 480px) {
  .catoc-container .catoc-list,
  .catoc-floating-nav .catoc-list {
    padding-inline-end: 48px;
  }

  .catoc-floating-panel,
  .catoc-floating-side-right .catoc-floating-panel {
    border-radius: 20px;
    max-height: min(84vh, 620px);
  }

  .catoc-floating-title {
    font-size: 11px;
  }

  .catoc-floating-close {
    width: 38px;
    height: 38px;
  }

  .catoc-floating-nav .catoc-body {
    grid-template-columns: 42px minmax(0, 1fr);
  }

  .catoc-floating-nav .catoc-rail {
    width: 42px;
  }

  .catoc-floating-nav .catoc-ball {
    left: 8px;
  }

  .catoc-floating-nav .catoc-tick {
    left: 7px;
  }

  .catoc-floating-nav .catoc-link {
    gap: 7px;
    font-size: 13.5px;
  }
}

@supports (height: 100dvh) {
  @media (max-width: 480px) {
    .catoc-floating-panel,
    .catoc-floating-side-right .catoc-floating-panel {
      max-height: min(84dvh, 620px);
    }
  }
}

@media (max-width: 360px) {
  .catoc-container .catoc-list,
  .catoc-floating-nav .catoc-list {
    padding-inline-end: 44px;
  }

  .catoc-floating-trigger-text {
    font-size: 10px;
  }

  .catoc-floating-nav .catoc-counter {
    min-width: 1.8ch;
  }
}

@media print {
  .catoc-floating-toc {
    display: none !important;
  }
}

/* Keep link metrics stable when scrollspy changes active items. Active state is
   shown with color/background/left rail instead of a weight jump that can rewrap text. */
.catoc-container .catoc-link,
.catoc-container .catoc-link.is-active,
.catoc-container .catoc-item.is-active > .catoc-link {
  font-weight: 650;
}