.acf-dropdown-toc {
    position: sticky;
    top: 205px;
    z-index: 50;
    margin: 20px 0;
    border: 1px solid #ddd;
    border-radius: 8px;
    background: #fff;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}


:is(h1,h2,h3,h4,h5,h6)[id] {
    scroll-margin-top: 205px;
}

.toc-toggle {
    width: 100%;
    padding: 15px 20px;
    background: #fff;
    border: none;
    cursor: pointer;
    text-align: left;
    font-weight: 600;
    font-size: 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-radius: 8px;
    color: #1b254e;
}

.toc-toggle:hover,
.toc-toggle:focus,
.toc-toggle:active,
.toc-toggle[aria-expanded="true"] {
    background: #fff !important;
    color: #1b254e !important;
}

.toc-icon {
    margin-right: 10px;
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

.toc-arrow {
    transition: transform 0.3s ease;
    font-size: 12px;
}

.toc-toggle[aria-expanded="true"] .toc-arrow {
    transform: rotate(180deg);
}

.toc-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
}

.toc-content.open {
    max-height: 600px;
    padding: 15px 20px;
}

.toc-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.toc-item {
    margin: 0;
    padding: 0;
}

.toc-link {
    display: block;
    padding: 10px 12px;
    text-decoration: none;
    color: #0073aa;
    border-radius: 4px;
    transition: background 0.2s ease, color 0.2s ease;
}

.toc-link:hover {
    background: #f0f0f0;
    color: #005177;
}

.toc-item.level-h2 { margin-left: 0; }
.toc-item.level-h3 { margin-left: 20px; }
.toc-item.level-h4 { margin-left: 40px; }
.toc-item.level-h5 { margin-left: 60px; }
.toc-item.level-h6 { margin-left: 80px; }

@media (max-width: 768px) {
    .toc-toggle { font-size: 14px; padding: 12px 15px; }
    .toc-content.open { max-height: 50vh; padding: 12px 15px; }
    .toc-item.level-h3 { margin-left: 10px; }
    .toc-item.level-h4 { margin-left: 20px; }
    .toc-item.level-h5 { margin-left: 30px; }
    .toc-item.level-h6 { margin-left: 40px; }
}