/* ============================================================
   Single Post — page-specific styles
   ============================================================ */

/* ── Reading progress bar ──────────────────────────────────── */
.vs-single-progress-wrap {
	position: fixed;
	left: 0;
	right: 0;
	top: 80px;
	height: 3px;
	z-index: 55;
	pointer-events: none;
}
.vs-single-progress-bar {
	height: 100%;
	width: 0%;
	background: #6FC7B6;
	transition: width 80ms linear;
}

/* ── Chip (category label) ──────────────────────────────────── */
.vs-single-chip {
	display: inline-flex;
	align-items: center;
	gap: 8px;
	font-family: Montserrat, system-ui, sans-serif;
	font-weight: 600;
	font-size: 12px;
	line-height: 1.4;
	letter-spacing: 0.06em;
	text-transform: uppercase;
	color: #1E4D5A;
}
.vs-single-chip__dot {
	flex: 0 0 auto;
	width: 6px;
	height: 6px;
	border-radius: 50%;
	background: #6FC7B6;
}

/* ============================================================
   Đầu bài
   ============================================================ */
.vs-single-dau-bai {
	background: #FFFFFF;
	padding: 56px 96px 0;
}
.vs-single-head {
	max-width: 880px;
	margin: 0 auto;
	display: flex;
	flex-direction: column;
	gap: 20px;
}

/* Breadcrumb */
.vs-single-breadcrumb {
	display: flex;
	flex-wrap: wrap;
	gap: 8px;
	font-size: 14px;
	line-height: 1.5;
	color: #1E4D5A;
}
.vs-single-breadcrumb a {
	color: #1E4D5A;
}
.vs-single-breadcrumb a:hover {
	text-decoration: underline;
}
.vs-single-breadcrumb [aria-current="page"] {
	font-weight: 600;
}

/* H1 */
.vs-single-title {
	font-family: Kanit, system-ui, sans-serif;
	font-weight: 600;
	font-size: 44px;
	line-height: 1.2;
	margin: 0;
	text-wrap: balance;
}

/* Sapo */
.vs-single-sapo {
	font-size: 20px;
	line-height: 1.6;
	margin: 0;
}

/* Event info box */
.vs-single-event-box {
	background: #D2E0D7;
	border-radius: 20px;
	padding: 24px 28px;
	display: flex;
	flex-direction: column;
	gap: 20px;
}
.vs-single-event-grid {
	display: grid;
	grid-template-columns: repeat(3, minmax(0, 1fr));
	gap: 20px 32px;
}
.vs-single-event-item {
	display: flex;
	gap: 12px;
	align-items: flex-start;
}
.vs-single-event-icon {
	flex: 0 0 auto;
	width: 20px;
	height: 20px;
	display: flex;
	margin-top: 2px;
}
.vs-single-event-text {
	display: flex;
	flex-direction: column;
	gap: 4px;
}
.vs-single-event-label {
	font-size: 13px;
	font-weight: 600;
	line-height: 1.4;
}
.vs-single-event-value {
	font-family: Kanit, system-ui, sans-serif;
	font-weight: 600;
	font-size: 17px;
	line-height: 1.4;
}
.vs-single-event-register {
	align-self: flex-start;
	font-size: 15px;
	font-weight: 600;
	line-height: 1.4;
	color: #1E4D5A;
	text-decoration: underline;
	text-decoration-color: #6FC7B6;
	text-decoration-thickness: 2px;
	text-underline-offset: 5px;
}

/* Meta line */
.vs-single-meta {
	display: flex;
	flex-wrap: wrap;
	gap: 6px 14px;
	font-size: 14px;
	line-height: 1.5;
}

/* Cover figure */
.vs-single-cover {
	max-width: 1200px;
	margin: 40px auto 0;
}
.vs-single-cover__img-wrap {
	aspect-ratio: 16 / 9;
	border-radius: 24px;
	overflow: hidden;
	background: #D2E0D7;
}
.vs-single-cover__img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	display: block;
}
.vs-single-cover__caption {
	font-size: 14px;
	line-height: 1.5;
	margin-top: 12px;
	color: #1E4D5A;
}

/* ============================================================
   Thân bài
   ============================================================ */
.vs-single-than-bai {
	background: #FFFFFF;
	padding: 56px 96px 88px;
}
.vs-single-body {
	position: relative;
	max-width: 720px;
	margin: 0 auto;
}

/* Share sidebar (desktop only) */
.vs-single-share-aside {
	position: absolute;
	left: -96px;
	top: 0;
	bottom: 0;
	width: 40px;
}
.vs-single-share-sticky {
	position: sticky;
	top: calc(80px + 40px);
	display: flex;
	flex-direction: column;
	gap: 12px;
}

/* Share buttons (sidebar + mobile) */
.vs-single-share-btn {
	width: 40px;
	height: 40px;
	border: none;
	border-radius: 50%;
	background: #FFFFFF;
	box-shadow: inset 0 0 0 1px #D2E0D7;
	color: #1E4D5A;
	display: flex;
	align-items: center;
	justify-content: center;
	cursor: pointer;
	font-family: Montserrat, system-ui, sans-serif;
	font-size: 10px;
	font-weight: 700;
	transition: background 200ms ease;
	padding: 0;
}
.vs-single-share-btn:hover {
	background: #D2E0D7;
}
.vs-single-share-icon {
	width: 18px;
	height: 18px;
	display: flex;
	pointer-events: none;
}

/* ── Article content typography ────────────────────────────── */
.vs-single-content {
	font-size: 18px;
	line-height: 1.75;
	color: #1E4D5A;
}
.vs-single-content p {
	margin: 0 0 24px;
}
.vs-single-content a {
	color: #1E4D5A;
	font-weight: 500;
	text-decoration: underline;
	text-decoration-color: #6FC7B6;
	text-decoration-thickness: 2px;
	text-underline-offset: 4px;
}
.vs-single-content h2 {
	font-family: Kanit, system-ui, sans-serif;
	font-weight: 600;
	font-size: 28px;
	line-height: 1.3;
	margin: 48px 0 20px;
	color: #1E4D5A;
}
.vs-single-content h3 {
	font-family: Kanit, system-ui, sans-serif;
	font-weight: 600;
	font-size: 22px;
	line-height: 1.35;
	margin: 48px 0 16px;
	color: #1E4D5A;
}
.vs-single-content blockquote {
	margin: 40px 0;
	padding: 0 0 0 24px;
	box-shadow: inset 3px 0 0 #6FC7B6;
}
.vs-single-content blockquote > p {
	margin: 0;
	font-style: italic;
	font-size: 22px;
	line-height: 1.6;
}
.vs-single-content blockquote > p + p {
	font-style: normal;
	font-size: 14px;
	line-height: 1.5;
	margin: 10px 0 0;
}
.vs-single-content blockquote cite {
	font-style: normal;
	font-size: 14px;
	line-height: 1.5;
	display: block;
	margin-top: 10px;
}
.vs-single-content ul {
	list-style: none;
	padding: 0;
	margin: 0 0 24px;
	display: flex;
	flex-direction: column;
	gap: 12px;
}
.vs-single-content ul li {
	display: flex;
	gap: 14px;
	align-items: flex-start;
}
.vs-single-content ul li::before {
	content: '';
	flex: 0 0 auto;
	width: 6px;
	height: 6px;
	border-radius: 50%;
	background: #6FC7B6;
	margin-top: 0.75em;
}
.vs-single-content ol {
	padding-left: 24px;
	margin: 0 0 24px;
}
.vs-single-content ol li {
	margin-bottom: 8px;
	line-height: 1.7;
}
.vs-single-content figure {
	margin: 40px -120px;
}
.vs-single-content figure img,
.vs-single-content .wp-block-image img {
	border-radius: 16px;
	width: 100%;
	height: auto;
	display: block;
}
.vs-single-content figcaption,
.vs-single-content .wp-block-image figcaption {
	font-size: 14px;
	line-height: 1.5;
	margin-top: 12px;
	padding: 0 120px;
	color: #1E4D5A;
}
.vs-single-content img {
	max-width: 100%;
	height: auto;
	border-radius: 8px;
}

/* Tags */
.vs-single-tags {
	display: flex;
	flex-wrap: wrap;
	gap: 8px;
	margin-top: 48px;
}
.vs-single-tag {
	display: inline-block;
	font-family: Montserrat, system-ui, sans-serif;
	font-size: 13px;
	font-weight: 600;
	line-height: 1.4;
	padding: 4px 10px;
	border-radius: 32px;
	background: #D2E0D7;
	color: #1E4D5A;
	white-space: nowrap;
	text-decoration: none;
	transition: background 200ms ease;
}
.vs-single-tag:hover {
	background: #b9cfc5;
}

/* Mobile share (hidden on desktop) */
.vs-single-share-mobile {
	display: none;
	align-items: center;
	gap: 12px;
	margin-top: 28px;
}
.vs-single-share-label {
	font-size: 14px;
	font-weight: 600;
}

/* Campus card */
.vs-single-campus {
	margin-top: 40px;
	background: #D2E0D7;
	border-radius: 20px;
	padding: 28px 32px;
	display: flex;
	flex-direction: column;
	gap: 14px;
}
.vs-single-campus__logo {
	height: 40px;
	width: auto;
	align-self: flex-start;
	display: block;
}
.vs-single-campus__name {
	font-family: Kanit, system-ui, sans-serif;
	font-weight: 600;
	font-size: 20px;
	line-height: 1.3;
	margin: 0;
}
.vs-single-campus__row {
	display: flex;
	gap: 10px;
	font-size: 15px;
	line-height: 1.55;
	align-items: flex-start;
}
.vs-single-campus__icon {
	flex: 0 0 auto;
	width: 18px;
	height: 18px;
	display: flex;
	margin-top: 2px;
}
.vs-single-campus__row a {
	color: #1E4D5A;
	text-decoration: none;
}
.vs-single-campus__link {
	align-self: flex-start;
	margin-top: 4px;
	display: inline-flex;
	align-items: center;
	gap: 8px;
	font-size: 15px;
	font-weight: 600;
	line-height: 1.4;
	color: #1E4D5A;
	text-decoration: underline;
	text-decoration-color: #6FC7B6;
	text-decoration-thickness: 2px;
	text-underline-offset: 5px;
	transition: gap 200ms ease;
}
.vs-single-campus__link:hover {
	gap: 12px;
}
.vs-single-campus__link-icon {
	width: 16px;
	height: 16px;
	display: flex;
}

/* Copy toast */
.vs-copy-toast {
	position: fixed;
	left: 50%;
	bottom: 32px;
	transform: translateX(-50%) translateY(16px);
	z-index: 96;
	background: #1E4D5A;
	color: #FFFFFF;
	border-radius: 32px;
	padding: 12px 20px;
	font-size: 14px;
	font-weight: 600;
	box-shadow: 0 8px 24px rgba(30, 77, 90, 0.25);
	opacity: 0;
	transition: opacity 250ms ease, transform 250ms ease;
	pointer-events: none;
}
.vs-copy-toast.is-visible {
	opacity: 1;
	transform: translateX(-50%) translateY(0);
}

/* ============================================================
   Bài viết liên quan
   ============================================================ */
.vs-single-lien-quan {
	background: #D2E0D7;
	padding: 88px 96px;
}
.vs-single-lq-inner {
	max-width: 1200px;
	margin: 0 auto;
	display: flex;
	flex-direction: column;
	gap: 40px;
}
.vs-single-lq-header {
	display: flex;
	justify-content: space-between;
	align-items: flex-end;
	gap: 24px;
	flex-wrap: wrap;
}
.vs-single-lq-title {
	font-family: Kanit, system-ui, sans-serif;
	font-weight: 600;
	font-size: 42px;
	line-height: 1.2;
	margin: 0;
	color: #1E4D5A;
}
.vs-single-lq-more {
	display: inline-flex;
	align-items: center;
	gap: 8px;
	font-weight: 600;
	font-size: 15px;
	line-height: 1.4;
	color: #1E4D5A;
	text-decoration: underline;
	text-decoration-color: #6FC7B6;
	text-decoration-thickness: 2px;
	text-underline-offset: 6px;
	white-space: nowrap;
	transition: gap 200ms ease;
}
.vs-single-lq-more:hover {
	gap: 12px;
}
.vs-single-lq-more__icon {
	width: 16px;
	height: 16px;
	display: flex;
}
.vs-single-lq-grid {
	display: grid;
	grid-template-columns: repeat(3, minmax(0, 1fr));
	gap: 32px;
}
.vs-single-lq-card {
	display: flex;
	flex-direction: column;
	gap: 12px;
	color: #1E4D5A;
	text-decoration: none;
}
.vs-single-lq-card__img-wrap {
	aspect-ratio: 16 / 9;
	border-radius: 16px;
	overflow: hidden;
	background: #FFFFFF;
}
.vs-single-lq-card__img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	display: block;
	transition: transform 400ms ease;
}
.vs-single-lq-card:hover .vs-single-lq-card__img {
	transform: scale(1.04);
}
.vs-single-lq-card__title {
	font-family: Kanit, system-ui, sans-serif;
	font-weight: 600;
	font-size: 20px;
	line-height: 1.35;
	display: -webkit-box;
	-webkit-line-clamp: 2;
	-webkit-box-orient: vertical;
	overflow: hidden;
	margin: 0;
}
.vs-single-lq-card:hover .vs-single-lq-card__title {
	text-decoration: underline;
	text-decoration-color: #6FC7B6;
	text-decoration-thickness: 2px;
	text-underline-offset: 5px;
}
.vs-single-lq-card__excerpt {
	font-size: 15px;
	line-height: 1.55;
	display: -webkit-box;
	-webkit-line-clamp: 2;
	-webkit-box-orient: vertical;
	overflow: hidden;
	margin: 0;
}
.vs-single-lq-card__meta {
	font-size: 13px;
	line-height: 1.5;
}

/* ============================================================
   Responsive
   ============================================================ */

/* Tablet 768–1023px */
@media (max-width: 1023px) {
	.vs-single-progress-wrap { top: 64px; }

	.vs-single-dau-bai { padding-left: 32px; padding-right: 32px; padding-bottom: 0; }
	.vs-single-than-bai { padding-left: 32px; padding-right: 32px; }
	.vs-single-lien-quan { padding-left: 32px; padding-right: 32px; }

	.vs-single-title { font-size: 34px; }
	.vs-single-sapo { font-size: 18px; }

	.vs-single-share-aside { display: none; }
	.vs-single-share-mobile { display: flex; }

	.vs-single-content h2 { font-size: 24px; }
	.vs-single-content h3 { font-size: 20px; }
	.vs-single-content blockquote > p { font-size: 19px; }
	.vs-single-content figure { margin: 40px 0; }
	.vs-single-content figcaption,
	.vs-single-content .wp-block-image figcaption { padding: 0; }

	.vs-single-lq-title { font-size: 34px; }
	.vs-single-lq-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

/* Mobile ≤ 767px */
@media (max-width: 767px) {
	.vs-single-dau-bai { padding-left: 20px; padding-right: 20px; padding-bottom: 0; }
	.vs-single-than-bai { padding-left: 20px; padding-right: 20px; }
	.vs-single-lien-quan { padding-left: 20px; padding-right: 20px; }

	.vs-single-title { font-size: 28px; }
	.vs-single-sapo { font-size: 17px; }

	.vs-single-cover__img-wrap { border-radius: 16px; }
	.vs-single-event-box { padding: 20px; }
	.vs-single-event-grid { grid-template-columns: minmax(0, 1fr); }

	.vs-single-content { font-size: 17px; }
	.vs-single-content h2 { font-size: 22px; }
	.vs-single-content h3 { font-size: 19px; }
	.vs-single-content blockquote > p { font-size: 18px; }
	.vs-single-content figure { margin: 32px 0; }

	.vs-single-campus { padding: 24px 20px; }

	.vs-single-lq-title { font-size: 28px; }
	.vs-single-lq-grid { grid-template-columns: minmax(0, 1fr); }
}