/* ============================================================
   SC EXCELLENCE - BLOG SINGLE CSS
   File: assets/css/blog-single.css
   Đặt trong: wp-content/themes/flatsome-child/assets/css/blog-single.css
   Class prefix: cdet- (theo convention chung)
   Dùng token màu/biến đã định nghĩa sẵn trong :root (BIẾN MÀU & TOKEN)
   ============================================================ */

/* ---------- LAYOUT TỔNG ---------- */
.cdet-blog-single {
    background-color: var(--cdet-bg-gray);
    padding: 40px 0 60px;
}

.cdet-blog-single__container {
    max-width: var(--cdet-max-width);
    margin: 0 auto;
    padding: 0 20px;
}

/* ---------- BREADCRUMB ---------- */
.cdet-blog-single__breadcrumb {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
    font-size: 13px;
    color: var(--cdet-text-light);
    margin-bottom: 32px;
}

.cdet-blog-single__breadcrumb a {
    color: var(--cdet-text-light);
    text-decoration: none;
    transition: color .2s;
}

.cdet-blog-single__breadcrumb a:hover {
    color: var(--cdet-primary);
}

.cdet-blog-single__breadcrumb-sep {
    opacity: .5;
}

.cdet-blog-single__breadcrumb-current {
    color: var(--cdet-primary);
    font-weight: 600;
}

/* ---------- GRID 2 CỘT ---------- */
.cdet-blog-single__grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 40px;
    align-items: start;
}
.cdet-blog-single__top{
    display: flex;
    gap: 20px;
}

.cdet-blog-single__feature{
    width: 100%;
    max-width: 45%;
}
@media screen and (max-width: 849px) {
    .cdet-blog-single__grid {
        grid-template-columns: 1fr;
    }
	.cdet-blog-single__feature{
	    max-width: 100%;
	}
}

/* ---------- ARTICLE: HEADER ---------- */
.cdet-blog-single__cat-badge {
    display: inline-block;
    background-color: var(--cdet-primary);
    color: #fff;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .05em;
    padding: 6px 14px;
    border-radius: var(--cdet-radius-xl);
    margin-bottom: 16px;
}

.cdet-blog-single__title {
    font-family: var(--cdet-font);
    font-size: 40px;
    font-weight: 700;
    line-height: 1.2;
    color: var(--cdet-navy);
    margin: 0 0 20px;
}

@media screen and (max-width: 549px) {
    .cdet-blog-single__title {
        font-size: 28px;
    }
}

.cdet-blog-single__excerpt {
    font-size: 17px;
    line-height: 1.65;
    color: var(--cdet-text-muted);
    margin: 0 0 24px;
}

/* ---------- META ROW ---------- */
.cdet-blog-single__meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 24px;
    font-size: 13px;
    color: var(--cdet-text-light);
    padding: 16px 0;
    border-top: 1px solid var(--cdet-border);
    border-bottom: 1px solid var(--cdet-border);
    margin-bottom: 32px;
}

.cdet-blog-single__meta-item {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.cdet-blog-single__meta-icon {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
}

/* ---------- THUMBNAIL ---------- */
.cdet-blog-single__thumbnail {
    width: 100%;
    aspect-ratio: 4 / 3;
    border-radius: var(--cdet-radius-lg);
    overflow: hidden;
    margin-bottom: 32px;
}

.cdet-blog-single__thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* ---------- SHARE ---------- */
.cdet-blog-single__share {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 12px;
    margin-bottom: 32px;
}

.cdet-blog-single__share-label {
	font-size: 16px;
    font-weight: 600;
    color: var(--cdet-navy);
}

.cdet-blog-single__share-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: #fff;
    border: 1px solid currentColor;
    border-radius: var(--cdet-radius-md);
    padding: 8px 16px;
    font-size: 13px;
    font-weight: 600;
    color: var(--cdet-primary);
    cursor: pointer;
    text-decoration: none;
    min-height: auto;
    line-height: 1;
    margin: 0;
    transition: .3s;
}

.cdet-blog-single__share-btn:hover {
    background-color: var(--cdet-bg-gray);
    color: var(--wp--preset--color--vivid-cyan-blue);
}

/* ---------- TOC (Mục lục) ---------- */
.cdet-blog-single__toc {
    background-color: var(--cdet-bg-white);
    border: 1px solid var(--cdet-border);
    border-radius: var(--cdet-radius-lg);
    padding: 28px 32px;
    margin-bottom: 40px;
}

.cdet-blog-single__toc-title {
	font-size: 20px;
    font-weight: 700;
    color: var(--cdet-primary);
    margin: 0 0 16px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.cdet-blog-single__toc-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.cdet-blog-single__toc-item a {
	color: var(--cdet-primary);
    text-decoration: none;
    font-size: 15px;
    transition: color .2s;
    display: flex;
    align-items: center;
    gap: 15px;
}
.cdet-blog-single__toc-item a::before {
    content: "";
    width: 7px;
    height: 7px;
    border: 2px solid var(--cdet-primary);
    border-left: 0;
    border-bottom: 0;
    display: inline-block;
    transform: rotate(45deg);
}
.cdet-blog-single__toc-item a:hover {
    color: var(--cdet-primary);
}

/* ---------- CONTENT (WYSIWYG tự do) ---------- */
.cdet-blog-single__content {
    font-size: 16px;
    line-height: 1.75;
    color: var(--cdet-text-muted);
    margin-bottom: 48px;
}

.cdet-blog-single__content h2 {
    font-size: 26px;
    font-weight: 700;
    color: var(--cdet-primary);
    margin: 40px 0 20px;
    scroll-margin-top: 100px; /* tránh bị header che khi click anchor TOC */
}

.cdet-blog-single__content h3 {
    font-size: 20px;
    font-weight: 700;
    color: var(--cdet-text);
    margin: 28px 0 14px;
}

.cdet-blog-single__content p {
    margin: 0 0 18px;
}

.cdet-blog-single__content img {
    border-radius: var(--cdet-radius-lg);
    margin: 24px 0;
}

.cdet-blog-single__content blockquote {
    position: relative;
    border-left: 6px solid var(--cdet-primary);
    background-color: rgba(0, 74, 173, .05);
    padding: 32px 36px;
    border-radius: 0 var(--cdet-radius-lg) var(--cdet-radius-lg) 0;
    font-style: italic;
    color: var(--cdet-primary);
    font-size: 18px;
    line-height: 1.6;
    margin: 32px 0;
}

/* ---------- TAGS ---------- */
.cdet-blog-single__tags {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
    padding-bottom: 32px;
    margin-bottom: 32px;
    border-bottom: 1px solid var(--cdet-border);
}

.cdet-blog-single__tags-label {
    font-size: 13px;
    font-weight: 600;
    color: var(--cdet-text-light);
}

.cdet-blog-single__tag {
    background-color: var(--cdet-bg-gray);
    color: var(--cdet-text-muted);
    font-size: 13px;
    padding: 6px 14px;
    border-radius: var(--cdet-radius-md);
    text-decoration: none;
    transition: background-color .2s, color .2s;
}

.cdet-blog-single__tag:hover {
    background-color: var(--cdet-primary);
    color: #fff;
}

/* ---------- AUTHOR BOX ---------- */
.cdet-blog-single__author-box {
    display: flex;
    align-items: center;
    gap: 24px;
    background-color: var(--cdet-bg-white);
    border: 1px solid var(--cdet-border);
    border-radius: var(--cdet-radius-lg);
    padding: 32px;
}

@media screen and (max-width: 549px) {
    .cdet-blog-single__author-box {
        flex-direction: column;
        text-align: center;
    }
}

.cdet-blog-single__author-avatar {
    width: 96px;
    height: 96px;
    border-radius: 50%;
    overflow: hidden;
    flex-shrink: 0;
    border: 3px solid var(--cdet-bg-gray);
}

.cdet-blog-single__author-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.cdet-blog-single__author-name {
    font-size: 18px;
    font-weight: 700;
    color: var(--cdet-primary);
    margin: 0 0 8px;
}

.cdet-blog-single__author-bio {
    font-size: 14px;
    color: var(--cdet-text-muted);
    line-height: 1.6;
    margin: 0 0 12px;
}

.cdet-blog-single__author-link {
    color: var(--cdet-primary);
    font-weight: 700;
    font-size: 14px;
    text-decoration: none;
}

.cdet-blog-single__author-link:hover {
    text-decoration: underline;
}

/* ============================================================
   SIDEBAR (Khung tĩnh)
   ============================================================ */
.cdet-blog-single__sidebar {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.cdet-blog-single__widget {
    background-color: var(--cdet-bg-white);
    border: 1px solid var(--cdet-border);
    border-radius: var(--cdet-radius-lg);
    padding: 28px;
    box-shadow: var(--cdet-shadow-card);
}

.cdet-blog-single__widget-title {
    font-size: 18px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .08em;
    color: var(--cdet-navy);
    padding-bottom: 14px;
    margin: 0 0 20px;
    border-bottom: 1px solid var(--cdet-navy);
	text-transform: capitalize;
}

.cdet-blog-single__widget-link {
    display: block;
    color: var(--cdet-primary);
    font-weight: 700;
    font-size: 14px;
    text-decoration: none;
    margin-top: 20px;
}

.cdet-blog-single__widget-link:hover {
    text-decoration: underline;
}

.cdet-blog-single__widget-text {
    font-size: 14px;
    color: var(--cdet-text-muted);
    line-height: 1.6;
}

/* --- Search widget --- */
.cdet-blog-single__widget--search form {
    position: relative;
	margin: 0;
}
.cdet-blog-single__widget--search form input[type="text"] {
    margin: 0;
    border-radius: 10px;
}
.cdet-blog-single__widget--search input {
    width: 100%;
    background-color: #fff;
    border: 1px solid var(--cdet-border);
    border-radius: var(--cdet-radius-md);
    padding: 14px 44px 14px 18px;
    font-size: 14px;
    outline: none;
    transition: border-color .2s;
}

.cdet-blog-single__widget--search input:focus {
    border-color: var(--cdet-primary);
}

.cdet-blog-single__widget--search button {
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-40%);
    background: none;
    border: none;
    cursor: pointer;
    color: var(--cdet-text-light);
    margin: 0;
    line-height: 39px;
    min-height: auto;
}

.cdet-blog-single__widget--search button svg {
    width: 18px;
    height: 18px;
}

/* --- Author widget --- */
.cdet-blog-single__widget-author {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 16px;
}

.cdet-blog-single__widget-author img {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid rgba(0, 74, 173, .15);
}

.cdet-blog-single__widget-author h6 {
    font-size: 16px;
    font-weight: 700;
    color: var(--cdet-primary);
    margin: 0;
	text-transform: capitalize;
}

/* --- Tags widget --- */
.cdet-blog-single__widget-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.cdet-blog-single__widget-tags a {
    background-color: var(--cdet-bg-gray);
    color: var(--cdet-primary);
    font-size: 13px;
    padding: 8px 14px;
    border-radius: var(--cdet-radius-md);
    text-decoration: none;
    transition: background-color .2s, color .2s;
    text-transform: capitalize;
    font-weight: bold;
    border: 1px solid currentColor;
}

.cdet-blog-single__widget-tags a:hover {
    background-color: var(--cdet-primary);
    color: #fff;
}

/* --- Related (sidebar) --- */
.cdet-blog-single__widget-related {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.cdet-blog-single__related-item {
    display: flex;
    gap: 14px;
    text-decoration: none;
}

.cdet-blog-single__related-thumb {
    width: 88px;
    height: 70px;
    border-radius: var(--cdet-radius-md);
    overflow: hidden;
    flex-shrink: 0;
    background-color: var(--cdet-bg-gray);
}

.cdet-blog-single__related-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .4s;
}

.cdet-blog-single__related-item:hover .cdet-blog-single__related-thumb img {
    transform: scale(1.08);
}

.cdet-blog-single__related-item h6 {
    font-size: 14px;
    color: var(--cdet-navy);
    line-height: 1.4;
    margin: 0 0 6px;
    transition: color .2s;
	text-transform: capitalize;
}

.cdet-blog-single__related-item:hover h6 {
    color: var(--cdet-primary);
}

.cdet-blog-single__related-item p {
    font-size: 11px;
    color: var(--cdet-text-light);
    margin: 0;
}

/* --- CTA widget --- */
.cdet-blog-single__widget--cta {
    background-color: var(--cdet-primary);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cdet-blog-single__cta-eyebrow {
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .08em;
    color: rgba(255, 255, 255, .7);
    border: none;
    padding: 0;
    margin: 0 0 24px;
}

.cdet-blog-single__cta-card {
    position: relative;
    display: inline-block;
    background: #fff;
    border-radius: var(--cdet-radius-lg);
    padding: 24px;
    margin-bottom: 24px;
}

.cdet-blog-single__cta-card svg {
    width: 56px;
    height: 56px;
    color: var(--cdet-primary);
}

.cdet-blog-single__cta-badge {
    position: absolute;
    bottom: 8px;
    right: 8px;
    background-color: #ba1a1a;
    color: #fff;
    font-size: 10px;
    font-weight: 700;
    padding: 2px 6px;
    border-radius: 4px;
}
.cdet-blog-single__cta-filename {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.65);
    margin: -12px 0 16px;
    word-break: break-all;
}
.cdet-blog-single__cta-title {
    color: #fff;
    font-size: 17px;
    font-weight: 700;
    line-height: 1.4;
    margin: 0 0 24px;
}

.cdet-blog-single__cta-btn {
    display: block;
    width: 100%;
    background-color: #fff;
    color: var(--cdet-primary);
    font-weight: 700;
    text-align: center;
    padding: 16px;
    border-radius: var(--cdet-radius-md);
    text-decoration: none;
    transition: background-color .2s;
}

.cdet-blog-single__cta-btn:hover {
    background-color: var(--cdet-bg-gray);
}

/* --- Zalo widget --- */
.cdet-blog-single__widget--zalo {
    background-color: #f0f8ff;
    border-color: #b3d9ff;
}

.cdet-blog-single__zalo-header {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 16px;
}

.cdet-blog-single__zalo-icon {
    width: 52px;
    height: 52px;
    border-radius: var(--cdet-radius-md);
    background: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 11px;
    font-weight: 700;
    color: #0068ff;
    box-shadow: var(--cdet-shadow-card);
    flex-shrink: 0;
}

.cdet-blog-single__zalo-header h6 {
    font-size: 16px;
    font-weight: 700;
    color: #0068ff;
    margin: 0 0 2px;
}

.cdet-blog-single__zalo-header p {
    font-size: 11px;
    color: var(--cdet-text-light);
    margin: 0;
}

.cdet-blog-single__zalo-desc {
    font-size: 14px;
    color: var(--cdet-text-muted);
    line-height: 1.6;
    margin: 0 0 20px;
}

.cdet-blog-single__zalo-btn {
    display: block;
    width: 100%;
    background-color: #0068ff;
    color: #fff;
    font-weight: 700;
    text-align: center;
    padding: 16px;
    border-radius: var(--cdet-radius-md);
    text-decoration: none;
    transition: background-color .2s;
}

.cdet-blog-single__zalo-btn:hover {
    background-color: #0052cc;
}

/* ============================================================
   BÀI VIẾT LIÊN QUAN (BOTTOM)
   ============================================================ */
.cdet-blog-single__bottom-related {
    margin-top: 80px;
    padding-top: 60px;
    border-top: 1px solid var(--cdet-border);
}

.cdet-blog-single__bottom-related-title {
    font-size: 28px;
    font-weight: 700;
    color: var(--cdet-primary);
    margin: 0 0 40px;
}

.cdet-blog-single__bottom-related-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

@media screen and (max-width: 849px) {
    .cdet-blog-single__bottom-related-grid {
        grid-template-columns: 1fr;
    }
}

.cdet-blog-single__bottom-card {
    display: flex;
    flex-direction: column;
    background-color: #fff;
    border: 1px solid var(--cdet-border);
    border-radius: var(--cdet-radius-lg);
    overflow: hidden;
    text-decoration: none;
    transition: box-shadow .3s, transform .3s;
}

.cdet-blog-single__bottom-card:hover {
    box-shadow: var(--cdet-shadow-hover);
    transform: translateY(-4px);
}

.cdet-blog-single__bottom-card-thumb {
    position: relative;
    aspect-ratio: 16 / 9;
    overflow: hidden;
    background-color: var(--cdet-bg-gray);
}

.cdet-blog-single__bottom-card-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .5s;
}

.cdet-blog-single__bottom-card:hover .cdet-blog-single__bottom-card-thumb img {
    transform: scale(1.08);
}

.cdet-blog-single__bottom-card-badge {
    position: absolute;
    top: 14px;
    left: 14px;
    background-color: var(--cdet-primary);
    color: #fff;
    font-size: 10px;
    font-weight: 700;
    padding: 4px 10px;
    border-radius: var(--cdet-radius-md);
}

.cdet-blog-single__bottom-card-body {
    padding: 24px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.cdet-blog-single__bottom-card-body h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--cdet-text);
    line-height: 1.4;
    margin: 0 0 12px;
}

.cdet-blog-single__bottom-card-body p {
    font-size: 14px;
    color: var(--cdet-text-muted);
    line-height: 1.5;
    margin: 0 0 16px;
    flex: 1;
}

.cdet-blog-single__bottom-card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 16px;
    border-top: 1px solid var(--cdet-border);
}

.cdet-blog-single__bottom-card-footer span:first-child {
    font-size: 12px;
    color: var(--cdet-text-light);
}

.cdet-blog-single__bottom-card-cta {
    font-size: 12px;
    font-weight: 700;
    color: var(--cdet-primary);
}