#simple-toc-box {
    border: 1px solid #ccc;
    padding: 10px;
    margin: 20px 0;
    background: #f9f9f9;
    transition: all 0.4s ease;
}

#simple-toc-box .toc-header {
    text-align: center;
    margin-bottom: 10px;
}

#simple-toc-box ol {
    margin-left: 20px;
    padding-left: 0;
    transition: all 0.4s ease;
    opacity: 1;
    transform: scaleY(1);
    transform-origin: top;
    visibility: visible;
    max-height: 2000px;
    overflow: hidden;
}

#simple-toc-box ol.ol-hidden {
    opacity: 0;
    transform: scaleY(0);
    visibility: hidden;
    max-height: 0;
    margin: 0;
    padding: 0;
}

#simple-toc-box li {
    margin-bottom: 5px;
}

.toc-level-2 { margin-left: 15px; }
.toc-level-3 { margin-left: 30px; }

#toggle-toc {
    font-size: 13px;
    margin-left: 10px;
    cursor: pointer;
}

html {
    scroll-behavior: smooth;
}