/* Container tiêu đề phần bài viết chuyên sâu */
.expert-articles-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 2px solid #e2e8f0;
    padding-bottom: 12px;
    margin-bottom: 18px;
}

.expert-articles-title {
    margin: 0;
    font-size: 16px;
    font-weight: 700;
    color: #1e293b;
    display: flex;
    align-items: center;
    gap: 8px;
}

.expert-articles-viewall {
    color: #0056b3;
    text-decoration: none;
    font-size: 13.5px;
    font-weight: 600;
    transition: color 0.2s ease;
}

.expert-articles-viewall:hover {
    color: #1d4ed8;
    text-decoration: underline;
}

/* Danh sách bài viết */
.articles-flex {
    display: grid;
    grid-template-columns: 1fr;
    gap: 12px;
}

/* Khung từng bài viết (Card) */
.article-item {
    border: 1px solid #e2e8f0;
    padding: 14px 18px;
    border-radius: 8px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: #ffffff;
    transition: all 0.25s ease;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.03);
}

.article-item:hover {
    border-color: #cbd5e1;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.06);
}

/* Khối nội dung chính */
.article-main-content {
    flex: 1;
    padding-right: 15px;
}

.article-item-title {
    margin: 0 0 8px 0;
    font-size: 15px;
    line-height: 1.4;
    padding-left: 6px;
}

.article-item-title a {
    color: #1e293b;
    text-decoration: none;
    font-weight: 600;
    transition: color 0.2s ease;
}

.article-item-title a:hover {
    color: #0056b3;
}

/* Thông tin ngày đăng & người đăng */
.article-meta-info {
    font-size: 12px;
    color: #64748b;
    display: flex;
    align-items: center;
    gap: 12px;
    padding-left: 6px;
}

.article-meta-info .author-link {
    color: #0056b3;
    text-decoration: none;
    font-weight: 600;
}

.article-meta-info .author-link:hover {
    text-decoration: underline;
}

.article-meta-info .date-text {
    color: #94a3b8;
}

.meta-dot {
    color: #cbd5e1;
}

/* Nút Đọc bài */
.article-action-btn {
    flex-shrink: 0;
}

.btn-read {
    display: inline-block;
    font-size: 12.5px;
    font-weight: 600;
    color: #0056b3;
    background: #f8fafc;
    border: 1px solid #cbd5e1;
    padding: 6px 14px;
    border-radius: 6px;
    text-decoration: none;
    transition: all 0.2s ease;
}

.article-item:hover .btn-read {
    background: #0056b3;
    color: #ffffff;
    border-color: #0056b3;
}

/* Trạng thái trống */
.articles-empty {
    text-align: center;
    color: #94a3b8;
    font-style: italic;
    padding: 20px 0;
}