/**
 * LPD Related Posts
 * Responsive styling for "Xem thêm", "Danh mục & Thẻ", and "Bài viết cùng chủ đề"
 */

:root {
    --lpd-rp-primary: #126e32;
    --lpd-rp-hover: #6dca19;
    --lpd-rp-radius: 4px;
}

/* Container */
.lpd-related-posts-container {
    margin-top: 25px;
    margin-bottom: 25px;
    font-family: inherit;
    clear: both;
}

/* 1. KHỐI XEM THÊM (Inline Recent/Random Posts) */
.xem-them {
    margin-bottom: 20px;
    padding: 12px 16px;
    background-color: #fbfbfb;
    border-left: 4px solid var(--lpd-rp-primary);
    border-radius: var(--lpd-rp-radius);
    box-shadow: 0 1px 3px rgba(0,0,0,0.05);
}

.xem-them span.title {
    font-weight: 700;
    color: var(--lpd-rp-primary);
    font-size: 16px;
    display: inline-block;
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.xem-them ul {
    list-style: none !important;
    padding-left: 0 !important;
    margin: 0 !important;
}

.xem-them ul li {
    padding: 6px 0 6px 18px;
    position: relative;
    line-height: 1.5;
    border-bottom: 1px dashed #eee;
}

.xem-them ul li:last-child {
    border-bottom: none;
}

.xem-them ul li::before {
    content: "➤";
    position: absolute;
    left: 0;
    top: 6px;
    color: var(--lpd-rp-primary);
    font-size: 11px;
}

.xem-them ul li a {
    color: #333;
    font-size: 14px;
    font-weight: 500;
    text-decoration: none;
    transition: color 0.2s ease, transform 0.2s ease;
    display: inline-block;
}

.xem-them ul li a:hover {
    color: var(--lpd-rp-primary);
    text-decoration: underline;
    transform: translateX(3px);
}

/* 2. KHỐI DANH MỤC & THẺ TÌM KIẾM (Meta Badge) */
.lpd-meta-badges {
    margin: 20px 0;
    padding: 15px;
    background: #fdfdfd;
    border: 1px solid #e8e8e8;
    border-radius: var(--lpd-rp-radius);
}

.danh-muc {
    margin-bottom: 12px;
}

.the-tim-kiem {
    margin-bottom: 0;
}

.danh-muc span.title,
.the-tim-kiem span.title {
    border-radius: var(--lpd-rp-radius);
    background: var(--lpd-rp-primary);
    padding: 4px 10px;
    color: #fff;
    margin-right: 8px;
    font-size: 13px;
    font-weight: 600;
    display: inline-block;
    vertical-align: middle;
}

.danh-muc a,
.the-tim-kiem a {
    line-height: 32px;
    border-radius: var(--lpd-rp-radius);
    margin-bottom: 8px;
    margin-right: 6px;
    padding: 4px 12px;
    background: #eaeaea;
    color: #444;
    font-size: 13px;
    display: inline-block;
    text-decoration: none;
    transition: all 0.2s ease-in-out;
    vertical-align: middle;
}

.danh-muc a:hover,
.the-tim-kiem a:hover {
    background: var(--lpd-rp-hover);
    color: #fff !important;
    transform: translateY(-1px);
    box-shadow: 0 2px 5px rgba(0,0,0,0.15);
}

/* 3. KHỐI BÀI VIẾT CÙNG CHỦ ĐỀ (Grid) */
.bai-viet-lien-quan {
    margin-top: 25px;
    clear: both;
}

.bai-viet-lien-quan h3 {
    font-size: 18px;
    font-weight: 700;
    color: #222;
    margin-bottom: 15px;
    position: relative;
    padding-bottom: 8px;
    border-bottom: 2px solid #eee;
    text-transform: uppercase;
}

.bai-viet-lien-quan h3::after {
    content: "";
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 60px;
    height: 2px;
    background: var(--lpd-rp-primary);
}

.bai-viet-lien-quan ul.list-bai-viet {
    margin: 0 -6px !important;
    padding: 0 !important;
    list-style: none !important;
    display: flex !important;
    flex-wrap: wrap !important;
    box-sizing: border-box !important;
}

/* Base styling for all items */
.bai-viet-lien-quan ul.list-bai-viet li {
    list-style: none !important;
    box-sizing: border-box !important;
    padding: 0 6px !important;
    margin: 0 0 16px 0 !important;
    transition: transform 0.2s ease;
}

/* Default 4 columns (PC) - 25% with box-sizing border-box */
.bai-viet-lien-quan ul.list-bai-viet li,
.bai-viet-lien-quan ul.list-bai-viet.cols-4 li {
    flex: 0 0 25% !important;
    max-width: 25% !important;
    width: 25% !important;
}

/* 3 columns */
.bai-viet-lien-quan ul.list-bai-viet.cols-3 li {
    flex: 0 0 33.3333% !important;
    max-width: 33.3333% !important;
    width: 33.3333% !important;
}

/* 2 columns */
.bai-viet-lien-quan ul.list-bai-viet.cols-2 li {
    flex: 0 0 50% !important;
    max-width: 50% !important;
    width: 50% !important;
}

.bai-viet-lien-quan .item-inner {
    background: #fff;
    border-radius: var(--lpd-rp-radius);
    overflow: hidden;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.bai-viet-lien-quan ul li .box-image {
    position: relative;
    overflow: hidden;
    border-radius: var(--lpd-rp-radius);
    background: #f0f0f0;
    margin: 0px;
}

.bai-viet-lien-quan ul li .box-image img {
    width: 100% !important;
    max-width: 100% !important;
    height: 120px;
    border-radius: var(--lpd-rp-radius);
    object-fit: cover;
    object-position: center;
    display: block;
    transition: transform 0.35s ease, filter 0.35s ease;
}

.bai-viet-lien-quan ul li:hover .box-image img {
    transform: scale(1.06);
    filter: brightness(0.95);
}

.bai-viet-lien-quan h4.tieu-de-bai-viet {
    font-size: 14px;
    color: #333;
    line-height: 1.4;
    padding-top: 8px;
    margin: 5px;
    height: 70px;
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    text-overflow: ellipsis;
    font-weight: 600;
}

.bai-viet-lien-quan h4.tieu-de-bai-viet a {
    color: #333;
    text-decoration: none;
    transition: color 0.2s ease;
}

.bai-viet-lien-quan ul li:hover h4.tieu-de-bai-viet a {
    color: var(--lpd-rp-primary);
}

/* RESPONSIVE TABLET & MOBILE */
@media screen and (max-width: 768px) {
    .bai-viet-lien-quan ul.list-bai-viet li,
    .bai-viet-lien-quan ul.list-bai-viet.cols-4 li,
    .bai-viet-lien-quan ul.list-bai-viet.cols-3 li {
        flex: 0 0 50% !important;
        max-width: 50% !important;
        width: 50% !important;
        padding: 0 5px !important;
        margin-bottom: 14px !important;
    }
    .bai-viet-lien-quan ul li .box-image img {
        height: 110px !important;
    }
}

@media screen and (max-width: 480px) {
    .bai-viet-lien-quan ul.list-bai-viet li,
    .bai-viet-lien-quan ul.list-bai-viet.cols-4 li,
    .bai-viet-lien-quan ul.list-bai-viet.cols-3 li,
    .bai-viet-lien-quan ul.list-bai-viet.cols-2 li {
        flex: 0 0 50% !important;
        max-width: 50% !important;
        width: 50% !important;
        padding: 0 4px !important;
        margin-bottom: 12px !important;
    }
    .bai-viet-lien-quan ul li .box-image img {
        height: 95px !important;
    }
    .bai-viet-lien-quan h4.tieu-de-bai-viet {
        font-size: 13px;
        height: 54px;
        line-height: 1.35;
    }
    .danh-muc a,
    .the-tim-kiem a {
        line-height: 28px;
        font-size: 12px;
        padding: 2px 8px;
    }
}

@media screen and (max-width: 340px) {
    .bai-viet-lien-quan ul.list-bai-viet li,
    .bai-viet-lien-quan ul.list-bai-viet.cols-4 li,
    .bai-viet-lien-quan ul.list-bai-viet.cols-3 li,
    .bai-viet-lien-quan ul.list-bai-viet.cols-2 li {
        flex: 0 0 100% !important;
        max-width: 100% !important;
        width: 100% !important;
    }
    .bai-viet-lien-quan ul li .box-image img {
        height: 140px !important;
    }
}