#toc-container {
    border-radius: 5px;
    position: sticky;
    top: 0;
    z-index: 103;
    background-color: #fff;
    margin-bottom: -.4em;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
    display: flex;
    align-items: center;
    cursor: pointer;
}

#toc-container h2 {
    cursor: pointer;
    font-size: 1.3em;
    margin: 6px 0;
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

#toc-list {
    display: none;
    border-radius: 5px;
    padding: 12px 8px 0 8px;
    position: absolute;
    background-color: rgb(255, 255, 255);
    top: 110%;
    right: 0;
    left: 0;
}


.toc-item.active {
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
    border-radius: 3px;
    
}

.toc-item.active a {
    font-weight: 600;
}

.toc-item a{
    display:block;
    color: #000000;
    font-weight: 400;
    padding-left: 20px;
    padding-bottom: 8px;
}
.toc-level-3 {
    padding-left: 40px;
}

.toc-level-4 {
    padding-left: 60px;
}

.toc-level-5 {
    padding-left: 80px;
}

#toc-toggle {
    margin: 0 8px;
    font-size: 18px;
    cursor: pointer;
}

#toc-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 99;
}

/*nút like-share*/
.button-container {
    display: flex;
    align-items: center;
    border-bottom: 1px solid #9d9d9d91;
    border-top: 1px solid #9d9d9d91;
    margin-bottom: 15px
}

.button-wrapper {
    display: flex;
    align-items: center;
    position: relative;
}

.button-wrapper button {
    display: flex;
    align-items: center;
    padding: 0;
    font-size: 1em;
    font-weight: initial;
    background: none;
    border: none;
    cursor: pointer;
}

.blog-share {
    display: none;
    position: absolute;
    bottom: 110%;
    right: 0; 
    z-index: 101;
    background-color: #fff;
    border: 1px solid #ddd;
    padding: 10px;
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.box-share-like {
    display: flex;
    align-items: center;
    flex-direction: row;
    gap: 5px;
}

.icon {
    display: inline-block;
    width: 24px;
    height: 24px;
    margin-right: 3px;
}

.like-button,
.comment-button,
.share-button {
    display: flex;
    align-items: center;
    padding: 0;
    font-size: 1em;
    font-weight: initial;
    margin-bottom: 0;
}

.icon-link-sao-chep {
    border-radius: 50px;
    fill: #fff;
    padding: .56em;
    background-color: var(--primary-color);
    display: inline-flex;
    margin: 2px 0 1em 0;
}

.notification {
    display: none;
    position: absolute;
    bottom: 240%; 
    right: 0;
    z-index: 102;
    background-color: #fff;
    border: 1px solid #ddd;
    padding: 5px 10px;
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    min-width: 8em;
}
.notification.nut-like, .notification.nut-comment {
    bottom: 110%;
    left: 0;
    min-width: 17em;
    z-index: 100;
}
.svg-container {
    margin-left: .1em;
    display: flex;
    width: 2.5em;
    height: 2.5em;
    background-color: var(--fs-color-primary);
    border-radius: 50%;
    align-items: center;
    justify-content: center;
}
.box-share-like .social-icons {
    height: 2.5em;
    font-size: 1em !important;
    display: flex !important;
    gap: 5px;
    flex-direction: row;
}

/*Box liên hệ*/
.contact-box {
    display: flex;
    align-items: center;
    padding: 10px;
    border-radius: 8px;
    background-color: #fff;
    gap: 10px;
    flex-wrap: wrap;
}

.avatar {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    object-fit: cover;
}


.list-post-author {
    flex-grow: 1;
    min-width: 200px;
}
.contact-info h3 {
    margin: 0;
    line-height: 1em;
    font-size: 18px;
}

.contact-info p {
    margin: 0;
}