/*
 * SEO Optimized Table of Contents Plugin CSS
 */

.seo-toc-container {
    background-color: #f9f9f9;
    border: 1px solid #ddd;
    padding: 15px;
    margin-bottom: 20px;
    border-radius: 5px;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
}

.seo-toc-container .seo-toc-toggle {
    display: block;
    width: 100%;
    background: none;
    border: none;
    text-align: left;
    font-size: 1.1em;
    font-weight: bold;
    cursor: pointer;
    padding: 0;
    margin-bottom: 10px;
    color: #333;
    position: relative;
    padding-right: 30px; /* Space for the toggle icon */
}

.seo-toc-container .seo-toc-toggle:focus {
    outline: 2px solid #007cba;
    outline-offset: 2px;
}

.seo-toc-container .seo-toc-toggle .toggle-icon {
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 0;
    height: 0;
    border-left: 5px solid transparent;
    border-right: 5px solid transparent;
    border-top: 5px solid #333;
    transition: transform 0.3s ease;
}

.seo-toc-container .seo-toc-toggle[aria-expanded="true"] .toggle-icon {
    transform: translateY(-50%) rotate(0deg);
}

.seo-toc-container .seo-toc-toggle[aria-expanded="false"] .toggle-icon {
    transform: translateY(-50%) rotate(-90deg);
}

.seo-toc-container .seo-toc-list {
    list-style: none;
    margin: 0;
    padding: 0;
    transition: max-height 0.3s ease-out, opacity 0.3s ease-out;
    overflow: hidden;
}

.seo-toc-container .seo-toc-list.hidden {
    max-height: 0;
    opacity: 0;
    visibility: hidden;
}

.seo-toc-container .seo-toc-list ol {
    list-style: none;
    margin-left: 20px;
    padding: 0;
}

.seo-toc-container .seo-toc-list li {
    margin-bottom: 5px;
}

.seo-toc-container .seo-toc-list li a {
    text-decoration: none;
    color: #0073aa;
    font-size: 0.95em;
    line-height: 1.4;
    display: block;
    padding: 2px 0;
}

.seo-toc-container .seo-toc-list li a:hover,
.seo-toc-container .seo-toc-list li a:focus {
    color: #005177;
    text-decoration: underline;
}

.seo-toc-list .toc-item-2 {
    font-weight: bold;
}

.seo-toc-list .toc-item-3 {
    font-style: italic;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .seo-toc-container {
        padding: 10px;
    }

    .seo-toc-container .seo-toc-toggle {
        font-size: 1em;
    }

    .seo-toc-container .seo-toc-list ol {
        margin-left: 15px;
    }

    .seo-toc-container .seo-toc-list li a {
        font-size: 0.9em;
    }
}