/* GENERIC */

/* container */

.c-book-tree {
  list-style: none;
  background-color: #F2F0EC;
  background-color: var(--color-warm-grey);
  font-weight: 400;
}

/* title */

.c-book-tree__title {
  font-size: max(1.00rem, min(calc(0.8rem + 0.35vw), 1.25rem));
  font-size: var(--step-0);
}

/* top bar */

.c-book-tree__top {
  margin-bottom: max(0.75rem, min(calc(0.70rem + 0.26vw), 0.94rem));
  margin-bottom: max(0.75rem, min(calc(0.70rem + 0.26vw), 0.94rem));
  margin-bottom: var(--space-xs);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* expand all */

.c-book-tree__expand-all {
  -webkit-appearance: none;
     -moz-appearance: none;
          appearance: none;
  border: none;
  font-size: max(0.83rem, min(calc(0.79rem + 0.23vw), 1.00rem));
  font-size: var(--step--1);
  font-weight: 500;
  -webkit-text-decoration: underline;
  text-decoration: underline;
  cursor: pointer;
}

/* List */

.c-book-tree__list {
  list-style: none;
  margin: 0;
}

/* Header row */

.c-book-tree__header {
  display: flex;
  align-items: center;
  gap: 0.5em;
}

.c-book-tree__item {
  max-width: 100%;
}

.c-book-tree__header .c-book-tree__link {
  flex: 1;
  min-width: 0;
}

.c-book-tree__link {
  color: #201C40;
  color: var(--color-text);
  line-height: 1.1;
}

/* Toggle button */

.c-book-tree__toggle {
  all: unset;
  box-sizing: border-box;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  flex-shrink: 0;
  background-color: #6F6D69;
  background-color: var(--color-grey);
  color: #FFF;
  color: var(--color-white);
  padding: 0.3em;
}

.c-book-tree__toggle:focus {
  outline: 2px solid #0F7697;
  outline: 2px solid var(--color-blue);
  outline-offset: -2px;
}

.c-book-tree__toggle svg {
  transition: transform 0.2s ease;
}

.c-book-tree__toggle[aria-expanded="true"] svg {
  transform: rotate(180deg);
}

/* CONTENT TOC */

.c-book-tree.is-content-toc {
  padding: max(0.75rem, min(calc(0.70rem + 0.26vw), 0.94rem));
  padding: var(--space-xs);
}

.c-book-tree.is-content-toc .c-book-tree__item+.c-book-tree__item {
    margin-top: max(0.75rem, min(calc(0.70rem + 0.26vw), 0.94rem));
    margin-top: var(--space-xs);
  }

.c-book-tree.is-content-toc .c-book-tree__link {
    background-image: url('data: image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSI2IiBoZWlnaHQ9IjExIiB2aWV3Qm94PSIwIDAgNiAxMSIgZmlsbD0ibm9uZSI+CiAgPHBhdGggZD0iTTAuNjExMzI4IDkuNzc3NTNMNC42MTEzMyA1LjE5NDMyTDAuNjExMzI4IDAuNjExMTIiIHN0cm9rZT0iIzI3MUQyMyIgc3Ryb2tlLXdpZHRoPSIxLjIyMjE5IiBzdHJva2UtbGluZWNhcD0icm91bmQiIHN0cm9rZS1saW5lam9pbj0icm91bmQiLz4KPC9zdmc+');
    background-repeat: no-repeat;
    background-position: left center;
    padding-left: 1rem;
  }

.c-book-tree.is-content-toc>.c-book-tree__list {
  background-color: #FFF;
  background-color: var(--color-white);
  padding: max(0.75rem, min(calc(0.70rem + 0.26vw), 0.94rem));
  padding: var(--space-xs);

}

.c-book-tree.is-content-toc .c-book-tree__list .c-book-tree__list {
  margin-top: max(0.75rem, min(calc(0.70rem + 0.26vw), 0.94rem));
  margin-top: var(--space-xs);
  padding-left: max(0.50rem, min(calc(0.46rem + 0.17vw), 0.63rem));
  padding-left: max(0.50rem, min(calc(0.46rem + 0.17vw), 0.63rem));
  padding-left: var(--space-2xs);
}

/* SIDEBAR */

.c-book-tree:not(.is-content-toc) {
  padding: max(0.50rem, min(calc(0.46rem + 0.17vw), 0.63rem));
  padding: var(--space-2xs);
}

.c-book-tree:not(.is-content-toc) .c-book-tree__header {
  padding: 0.6em 0.5em;
}

/* chapter\parts */
.c-book-tree:not(.is-content-toc) .c-book-tree__list--level-0>.c-book-tree__item {
  border-bottom: 5px solid #F2F0EC;
  border-bottom: 5px solid var(--color-warm-grey);
  background-color: #FFF;
  background-color: var(--color-white);
}
.c-book-tree:not(.is-content-toc) .c-book-tree__list--level-0>.c-book-tree__item >.c-book-tree__header {
    font-family: 'Poppins', sans-serif;
    font-family: var(--font-brand);
    border-left: 3px solid #271D23;
    border-left: 3px solid var(--color-black);
  }
.c-book-tree:not(.is-content-toc) .c-book-tree__list--level-0>.c-book-tree__item >.c-book-tree__header .c-book-tree__link {
      -webkit-text-decoration: none;
      text-decoration: none;
      font-weight: 600;
      font-weight: var(--font-bold);
      font-size: max(1.00rem, min(calc(0.8rem + 0.35vw), 1.25rem));
      font-size: var(--step-0);
    }

/* chapter\sections */
.c-book-tree:not(.is-content-toc) .c-book-tree__list--level-1 {
  padding: max(0.50rem, min(calc(0.46rem + 0.17vw), 0.63rem));
  padding: var(--space-2xs);
  /* >.c-book-tree__item {
    margin-block-end: var(--space-2xs);
    &:last-of-type {
      margin-block-end: 0;
    }
    >.c-book-tree__header {
      background-color: var(--color-light-grey);
      .c-book-tree__toggle {
        background-color: var(--color-white);
        color: var(--color-grey);
      }
      .c-book-tree__link {
        font-weight: 400;
      }
    }
  } */
}

/* anchors */

.c-book-tree:not(.is-content-toc) .c-book-tree__link[href*="#"] {
    font-size: max(0.83rem, min(calc(0.79rem + 0.23vw), 1.00rem));
    font-size: var(--step--1);
    background-image: url('data: image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSI2IiBoZWlnaHQ9IjExIiB2aWV3Qm94PSIwIDAgNiAxMSIgZmlsbD0ibm9uZSI+CiAgPHBhdGggZD0iTTAuNjExMzI4IDkuNzc3NTNMNC42MTEzMyA1LjE5NDMyTDAuNjExMzI4IDAuNjExMTIiIHN0cm9rZT0iIzI3MUQyMyIgc3Ryb2tlLXdpZHRoPSIxLjIyMjE5IiBzdHJva2UtbGluZWNhcD0icm91bmQiIHN0cm9rZS1saW5lam9pbj0icm91bmQiLz4KPC9zdmc+');
    background-repeat: no-repeat;
    background-position: left center;
    padding-left: 1rem;
  }

.c-book-tree:not(.is-content-toc) .c-book-tree__link[href*="#"] + .c-book-tree__toggle {
      background-color: transparent;
      color: #6F6D69;
      color: var(--color-grey);
    }

/* Nested lists */
.c-book-tree:not(.is-content-toc) .c-book-tree__list .c-book-tree__list .c-book-tree__link {
    font-size: max(0.83rem, min(calc(0.79rem + 0.23vw), 1.00rem));
    font-size: var(--step--1);
  }

.c-book-tree:not(.is-content-toc) .c-book-tree__item--sub-section .c-book-tree__link {
    line-height: 1.3;
  }

.c-book-tree:not(.is-content-toc) .c-book-tree__item--sub-sub-section {
  padding-left: max(0.50rem, min(calc(0.46rem + 0.17vw), 0.63rem));
  padding-left: max(0.50rem, min(calc(0.46rem + 0.17vw), 0.63rem));
  padding-left: var(--space-2xs);
}



/* Active trail */

.c-book-tree__list--level-0> .c-book-tree__item--active-trail.c-book-tree__item>.c-book-tree__header {
  background-color: #271D23;
  background-color: var(--color-black);
  a {
    color: #FFF;
    color: var(--color-white);
  }
}

.c-book-tree__list--level-0> .c-book-tree__item--active-trail.c-book-tree__item>.c-book-tree__header .c-book-tree__toggle {
    background-color: transparent;
  }

.c-book-tree__list--level-1 > .c-book-tree__item--chapter > .c-book-tree__header {
  background-color: #D4D2D3;
  margin-bottom: max(0.25rem, min(calc(0.23rem + 0.09vw), 0.31rem));
  margin-bottom: max(0.25rem, min(calc(0.23rem + 0.09vw), 0.31rem));
  margin-bottom: var(--space-3xs);
  a {
    color: #201C40;
    color: var(--color-base);
    -webkit-text-decoration: none;
    text-decoration: none;
  }
}

.c-book-tree:not(.is-content-toc) .c-book-tree__item--section {
  border-bottom: 1px solid #E3DFDF;
  border-bottom: 1px solid var(--color-light-grey);
}

.c-book-tree:not(.is-content-toc) .c-book-tree__item--active-trail.c-book-tree__item--section >.c-book-tree__header {
    background-color: #6A696A;
  }

.c-book-tree:not(.is-content-toc) .c-book-tree__item--active-trail.c-book-tree__item--section >.c-book-tree__header .c-book-tree__toggle {
      background-color: transparent;
      color: #FFF;
      color: var(--color-white);
    }

.c-book-tree:not(.is-content-toc) .c-book-tree__item--active-trail.c-book-tree__item--section >.c-book-tree__header .c-book-tree__link {
      color: #FFF;
      color: var(--color-white);
    }

.c-book-tree:not(.is-content-toc) .c-book-tree__item--active-trail.c-book-tree__item--section .c-book-tree__list {
    background-color: #F3F2F2;;
  }