:root {
  --ekp-toc-accent: #2f6f4e;
  --ekp-toc-accent-dark: #173d2a;
  --ekp-toc-bg: #f3f7f3;
  --ekp-toc-border: #d8e5dc;
  --ekp-toc-text: #1f2933;
}

.ekp-toc {
  position: relative;
  margin: 2rem 0 2.25rem;
  padding: 1.25rem 1.3rem 1.35rem;
  color: var(--ekp-toc-text);
  background:
    radial-gradient(circle at 100% 0, rgba(47, 111, 78, .10), transparent 34%),
    var(--ekp-toc-bg);
  border: 1px solid var(--ekp-toc-border);
  border-left: 5px solid var(--ekp-toc-accent);
  border-radius: 16px;
  box-shadow: 0 10px 30px rgba(23, 61, 42, .07);
  overflow: hidden;
}

.ekp-toc::after {
  content: "";
  position: absolute;
  width: 110px;
  height: 110px;
  right: -55px;
  top: -55px;
  border: 20px solid rgba(47, 111, 78, .06);
  border-radius: 50%;
  pointer-events: none;
}

.ekp-toc__header {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1rem;
}

.ekp-toc__heading-wrap { min-width: 0; }

.ekp-toc__eyebrow {
  display: block;
  margin-bottom: .25rem;
  color: var(--ekp-toc-accent);
  font-size: .74rem;
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.ekp-toc .ekp-toc__title {
  margin: 0 !important;
  padding: 0 !important;
  color: var(--ekp-toc-accent-dark);
  font-size: clamp(1.25rem, 2vw, 1.55rem);
  line-height: 1.25;
  border: 0 !important;
}

.ekp-toc__toggle {
  display: inline-flex;
  align-items: center;
  gap: .55rem;
  flex: 0 0 auto;
  min-height: 40px;
  padding: .55rem .8rem;
  color: var(--ekp-toc-accent-dark);
  background: #fff;
  border: 1px solid var(--ekp-toc-border);
  border-radius: 999px;
  font: inherit;
  font-size: .86rem;
  font-weight: 700;
  cursor: pointer;
  transition: border-color .2s ease, transform .2s ease, box-shadow .2s ease;
}

.ekp-toc__toggle:hover,
.ekp-toc__toggle:focus-visible {
  border-color: var(--ekp-toc-accent);
  box-shadow: 0 4px 14px rgba(23, 61, 42, .10);
  outline: none;
}

.ekp-toc__toggle:active { transform: translateY(1px); }

.ekp-toc__chevron {
  width: .55rem;
  height: .55rem;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(45deg) translateY(-2px);
  transition: transform .2s ease;
}

.ekp-toc.is-collapsed .ekp-toc__chevron {
  transform: rotate(-135deg) translate(-1px, -1px);
}

.ekp-toc__list {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: .5rem .8rem;
  margin: 0 !important;
  padding: 0 !important;
  list-style: none !important;
}

.ekp-toc__item {
  margin: 0 !important;
  padding: 0 !important;
  min-width: 0;
}

.ekp-toc__item--h3,
.ekp-toc__item--h4 {
  padding-left: .75rem !important;
}

.ekp-toc__link {
  display: flex;
  align-items: flex-start;
  gap: .65rem;
  min-height: 42px;
  padding: .65rem .72rem;
  color: var(--ekp-toc-text) !important;
  background: rgba(255, 255, 255, .70);
  border: 1px solid transparent;
  border-radius: 10px;
  font-size: .94rem;
  font-weight: 650;
  line-height: 1.35;
  text-decoration: none !important;
  transition: background .18s ease, border-color .18s ease, color .18s ease, transform .18s ease;
}

.ekp-toc__link::before {
  content: "›";
  flex: 0 0 auto;
  margin-top: -.05em;
  color: var(--ekp-toc-accent);
  font-size: 1.25em;
  font-weight: 900;
  line-height: 1;
}

.ekp-toc__item--h3 .ekp-toc__link,
.ekp-toc__item--h4 .ekp-toc__link {
  font-size: .89rem;
  font-weight: 560;
}

.ekp-toc__link:hover,
.ekp-toc__link:focus-visible,
.ekp-toc__link.is-active {
  color: var(--ekp-toc-accent-dark) !important;
  background: #fff;
  border-color: var(--ekp-toc-border);
  outline: none;
  transform: translateX(2px);
}

.ekp-toc__link.is-active {
  border-color: var(--ekp-toc-accent);
  box-shadow: inset 3px 0 0 var(--ekp-toc-accent);
}

.ekp-toc.is-collapsed .ekp-toc__list {
  display: none;
}

.ekp-toc-target {
  scroll-margin-top: 110px;
}

@media (max-width: 760px) {
  .ekp-toc {
    margin: 1.5rem 0 1.8rem;
    padding: 1rem 1rem 1.1rem;
    border-radius: 14px;
  }

  .ekp-toc__header { align-items: flex-start; }
  .ekp-toc__list { grid-template-columns: 1fr; gap: .38rem; }
  .ekp-toc__link { min-height: 40px; padding: .62rem .65rem; }

  .ekp-toc--mobile-collapsed:not(.ekp-toc--user-open) .ekp-toc__list {
    display: none;
  }

  .ekp-toc--mobile-collapsed:not(.ekp-toc--user-open) .ekp-toc__chevron {
    transform: rotate(-135deg) translate(-1px, -1px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .ekp-toc *, .ekp-toc *::before, .ekp-toc *::after {
    scroll-behavior: auto !important;
    transition: none !important;
  }
}


/* Sticky back-to-top control */
.ekp-back-top {
  position: fixed;
  top: auto;
  bottom: calc(env(safe-area-inset-bottom, 0px) + 18px);
  right: 16px;
  left: auto;
  z-index: 40;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  padding: 0;
  color: #fff;
  background: linear-gradient(145deg, var(--ekp-toc-accent), var(--ekp-toc-accent-dark));
  border: 1px solid rgba(255, 255, 255, .28);
  border-radius: 50%;
  box-shadow: none !important;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateY(12px) scale(.9);
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  transition: opacity .2s ease, visibility .2s ease, transform .2s ease;
}

.ekp-back-top.is-visible {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateY(0) scale(1);
}

.ekp-back-top:hover,
.ekp-back-top:focus-visible {
  color: #fff;
  box-shadow: none !important;
  outline: 0 !important;
  outline-offset: 0;
  transform: translateY(-2px) scale(1.03);
}

.ekp-back-top:active {
  transform: translateY(0) scale(.97);
  box-shadow: none !important;
}

.ekp-back-top svg {
  display: block;
  pointer-events: none;
}

@media (max-width: 900px) {
  .ekp-back-top {
    top: auto;
    bottom: calc(env(safe-area-inset-bottom, 0px) + 18px);
    right: 12px !important;
    left: auto !important;
    width: 46px;
    height: 46px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .ekp-back-top {
    transition: none !important;
  }
}


/* Strong reset so theme button styles cannot create a square/rectangle around the circular control. */
.ekp-back-top {
  -webkit-appearance: none !important;
  appearance: none !important;
  box-sizing: border-box !important;
  min-width: 0 !important;
  max-width: none !important;
  margin: 0 !important;
  line-height: 1 !important;
  text-shadow: none !important;
  filter: none !important;
  overflow: hidden !important;
  isolation: isolate;
}

.ekp-back-top::before,
.ekp-back-top::after {
  content: none !important;
  display: none !important;
}

@media (hover: none) {
  .ekp-back-top:hover {
    outline: 0 !important;
    transform: translateY(0) scale(1);
  }
}