.blogstring-pro-toc {
    --bspro-toc-indent: 18px;
    padding: 18px;
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    background: #fff;
    color: #374151;
}

.blogstring-pro-toc *,
.blogstring-pro-toc *::before,
.blogstring-pro-toc *::after {
    box-sizing: border-box;
}

.blogstring-pro-toc__header {
    display: flex;
    gap: 12px;
    align-items: center;
    justify-content: space-between;
}

.blogstring-pro-toc__title {
    color: #111827;
    font-size: 18px;
    font-weight: 700;
    line-height: 1.3;
}

.blogstring-pro-toc__toggle {
    display: inline-flex;
    width: 32px;
    height: 32px;
    flex: 0 0 auto;
    align-items: center;
    justify-content: center;
    padding: 0;
    border: 0;
    background: transparent;
    color: #374151;
    cursor: pointer;
}

.blogstring-pro-toc__toggle svg {
    display: block;
    width: 1em;
    height: 1em;
}

.blogstring-pro-toc__icon--expand {
    display: none;
}

.blogstring-pro-toc.is-collapsed .blogstring-pro-toc__icon--collapse {
    display: none;
}

.blogstring-pro-toc.is-collapsed .blogstring-pro-toc__icon--expand {
    display: inline-flex;
}

.blogstring-pro-toc__body {
    margin-top: 14px;
}

.blogstring-pro-toc.is-collapsed .blogstring-pro-toc__body {
    display: none;
}

.blogstring-pro-toc__generated-list {
    display: flex;
    flex-direction: column;
    gap: 4px;
    margin: 0;
    padding: 0;
    list-style: none;
}

.blogstring-pro-toc.is-numbered .blogstring-pro-toc__generated-list {
    counter-reset: bspro-toc-item;
}

.blogstring-pro-toc__item {
    margin: 0;
    padding: 0;
}

.blogstring-pro-toc.is-numbered .blogstring-pro-toc__item {
    counter-increment: bspro-toc-item;
}

.blogstring-pro-toc.is-numbered .blogstring-pro-toc__link::before {
    content: counters(bspro-toc-item, ".") ". ";
    opacity: 0.72;
}

.blogstring-pro-toc.is-nested .blogstring-pro-toc__item.level-3,
.blogstring-pro-toc.is-nested .blogstring-pro-toc__item.level-4,
.blogstring-pro-toc.is-nested .blogstring-pro-toc__item.level-5,
.blogstring-pro-toc.is-nested .blogstring-pro-toc__item.level-6 {
    margin-left: calc(var(--bspro-toc-depth, 0) * var(--bspro-toc-indent));
}

.blogstring-pro-toc__link {
    display: flex;
    gap: 4px;
    width: 100%;
    align-items: baseline;
    padding: 6px 8px;
    border-radius: 6px;
    color: #374151;
    line-height: 1.45;
    text-decoration: none;
    transition: background-color 160ms ease, color 160ms ease;
}

.blogstring-pro-toc__link:hover {
    background: #f3f4f6;
    color: #111827;
}

.blogstring-pro-toc__link.is-active {
    background: #eff6ff;
    color: #2563eb;
}

.blogstring-pro-toc__empty {
    margin: 0;
    color: #6b7280;
}

.screen-reader-text {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(1px, 1px, 1px, 1px);
    white-space: nowrap;
}