.wp-toc-container {
    background: #f6f7f7;
    border: 1px solid #ccd0d4;
    border-radius: 5px;
    padding: 20px;
    margin: 0 0 30px 0;
    position: relative;
}

.wp-toc-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}

.wp-toc-title {
    font-size: 1.4em;
    font-weight: 600;
    color: #23282d;
    margin: 0;
}

.wp-toc-toggle {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 1.2em;
    color: #0073aa;
    padding: 5px;
}

.wp-toc-toggle:hover {
    color: #00a0d2;
}

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

.wp-toc-list ul {
    list-style: none;
    margin: 0;
    padding-left: 20px;
}

.wp-toc-list li {
    margin: 8px 0;
    padding: 5px 0;
    border-bottom: 1px dashed #ccd0d4;
}

.wp-toc-list li:last-child {
    border-bottom: none;
}

.wp-toc-list a {
    text-decoration: none;
    color: #0073aa;
    display: block;
    transition: color 0.2s;
}

.wp-toc-list a:hover {
    color: #00a0d2;
}

.wp-toc-list .h2-item {
    font-weight: 600;
    margin-left: 0;
}

.wp-toc-list .h3-item {
    margin-left: 20px;
    font-size: 0.95em;
}

.wp-toc-list .h4-item {
    margin-left: 40px;
    font-size: 0.9em;
    color: #666;
}

/* Responsive styles */
@media (max-width: 768px) {
    .wp-toc-container {
        padding: 15px;
    }
    
    .wp-toc-title {
        font-size: 1.2em;
    }
}