.article-header .category-link {
    font-weight: 500;
    color: var(--bs-danger);
}

.article-meta {
    font-size: 0.9rem;
    color: #6c757d;
}

.article-content {
    font-size: 1.1rem;
    line-height: 1.8;
}

.article-content h2, .article-content h3, .article-content h4 {
    margin-top: 2rem;
    margin-bottom: 1rem;
    font-weight: 600;
}

.sidebar .widget {
    margin-bottom: 2.5rem;
}

.sidebar .widget-title {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 1rem;
    position: relative;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--bs-danger);
}

.sidebar .list-group-item {
    border: none;
    padding-left: 0;
    padding-right: 0;
}

.sidebar .related-article-item {
    display: flex;
    align-items: center;
}

.sidebar .related-article-item img {
    width: 60px;
    height: 60px;
    object-fit: cover;
    margin-right: 15px;
}

.article-sharing .social-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    margin: 0 0.5rem;
    color: #fff;
    text-decoration: none;
    transition: opacity 0.2s ease-in-out;
}

.article-sharing .social-icon:hover {
    opacity: 0.85;
}

.social-icon-facebook { background-color: #1877F2; }
.social-icon-twitter { background-color: #1DA1F2; }
.social-icon-linkedin { background-color: #0A66C2; }
.social-icon-zalo { background-color: #0068FF; }