.post-layout {
  min-width: 0;
}

.post-layout > .post {
  min-width: 0;
}

.post-toc[hidden] {
  display: none;
}

.post-toc {
  margin-bottom: 30px;
  border: 1px solid #e8e8e8;
  border-radius: 4px;
  background: #fdfdfd;
}

.post-toc__title {
  display: none;
}

.post-toc__toggle {
  display: flex;
  width: 100%;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 15px;
  border: 0;
  background: transparent;
  color: #424242;
  font: inherit;
  font-weight: 600;
  text-align: left;
  cursor: pointer;
}

.post-toc__toggle-icon {
  width: 8px;
  height: 8px;
  flex: 0 0 auto;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(45deg) translateY(-2px);
  transition: transform 0.15s ease;
}

.post-toc__toggle[aria-expanded="true"] .post-toc__toggle-icon {
  transform: rotate(225deg) translate(-2px, -2px);
}

.post-toc__toggle:focus-visible,
.post-toc__link:focus-visible {
  outline: 2px solid #2a7ae2;
  outline-offset: 2px;
}

.post-toc__toggle[aria-expanded="false"] + .post-toc__nav {
  display: none;
}

.post-toc__nav {
  padding: 0 15px 14px;
}

.post-toc__list,
.post-toc__sublist {
  margin: 0;
  list-style: none;
}

.post-toc__sublist {
  padding-left: 14px;
}

.post-toc__item {
  margin: 0;
}

.post-toc__link {
  display: block;
  padding: 4px 0;
  color: #555;
  font-size: 14px;
  line-height: 1.35;
  text-decoration: none;
  overflow-wrap: anywhere;
}

.post-toc__link:visited {
  color: #555;
}

.post-toc__sublist .post-toc__link {
  color: #777;
  font-size: 13px;
}

.post-toc__sublist .post-toc__link:visited {
  color: #777;
}

.post-toc__link:hover,
.post-toc__link[aria-current="location"],
.post-toc__sublist .post-toc__link:hover,
.post-toc__sublist .post-toc__link[aria-current="location"] {
  color: #2a7ae2;
}

.post-toc__link[aria-current="location"] {
  font-weight: 600;
}

.post-content h2,
.post-content h3 {
  scroll-margin-top: 24px;
}

@media screen and (max-width: 1279px) {
  .post-toc {
    position: sticky;
    top: 8px;
    z-index: 10;
  }

  .post-toc__nav {
    max-height: calc(100vh - 96px);
    max-height: calc(100dvh - 96px);
    overflow-y: auto;
    overscroll-behavior: contain;
  }

  .post-content h2,
  .post-content h3 {
    scroll-margin-top: 72px;
  }
}

@media screen and (min-width: 1280px) {
  .post-toc {
    position: sticky;
    float: left;
    top: 24px;
    box-sizing: border-box;
    width: 220px;
    max-height: calc(100vh - 48px);
    margin: 0 0 0 -260px;
    padding: 0 0 0 14px;
    border: 0;
    border-left: 2px solid #e8e8e8;
    border-radius: 0;
    background: transparent;
    overflow-y: auto;
    scrollbar-width: thin;
  }

  .post-toc__title {
    display: block;
    margin: 0 0 7px;
    color: #424242;
    font-size: 14px;
    font-weight: 600;
  }

  .post-toc__toggle {
    display: none;
  }

  .post-toc__nav,
  .post-toc__toggle[aria-expanded="false"] + .post-toc__nav {
    display: block;
    padding: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .post-toc__toggle-icon {
    transition: none;
  }
}