/**
 * CMP LMS — Blog hub (Tutor Starter layout).
 */

.cmp-blog-hub {
	--cmp-biz-primary: var(--ts-primary);
	--cmp-biz-orange: var(--ts-primary-dark);
	--cmp-biz-text: var(--ts-text-strong);
	--cmp-biz-muted: var(--ts-muted);
	--cmp-biz-border: var(--ts-border);
	--cmp-biz-bg: var(--ts-surface);
	background: var(--cmp-biz-bg);
	color: var(--cmp-biz-text);
	padding-bottom: 56px;
}

.cmp-lms-shell.cmp-blog-hub-page,
.cmp-lms-shell.cmp-list-cursor-page {
	max-width: none;
	padding: 0;
	background: #fff;
}

.cmp-blog-hub .cmp-hub-container,
.cmp-list-cursor-hub .cmp-hub-container {
	max-width: 1200px;
	margin: 0 auto;
	padding: 0 20px;
}

/* —— Hub banner (blog hub + course list) — trước đây chưa có CSS nào cho
   .cmp-hub-banner*, banner chỉ hiện chữ trần không nền/màu. —— */
.cmp-hub-banner {
	position: relative;
	overflow: hidden;
	color: #ffffff;
	background-color: var(--ts-primary-dark, #0052cc);
	background-image: var(--cmp-hub-banner-img, none);
	background-size: cover;
	background-position: center;
	padding: 64px 0 56px;
}

.cmp-hub-banner::after {
	content: "";
	position: absolute;
	inset: 0;
	background: radial-gradient(circle at 85% 15%, rgba(255, 255, 255, 0.14), transparent 55%);
	pointer-events: none;
}

.cmp-hub-banner__overlay {
	position: absolute;
	inset: 0;
	background: linear-gradient(135deg, rgba(0, 102, 255, 0.92) 0%, rgba(0, 82, 204, 0.88) 100%);
}

.cmp-hub-banner__inner {
	position: relative;
	z-index: 1;
	text-align: center;
}

.cmp-hub-banner__breadcrumb {
	display: flex;
	justify-content: center;
	flex-wrap: wrap;
	gap: 6px;
	margin: 0 0 16px;
	font-size: 0.875rem;
	color: rgba(255, 255, 255, 0.8);
}

.cmp-hub-banner__breadcrumb a {
	color: #ffffff;
	text-decoration: none;
	opacity: 0.85;
}

.cmp-hub-banner__breadcrumb a:hover {
	opacity: 1;
	text-decoration: underline;
}

.cmp-hub-banner__breadcrumb-sep {
	opacity: 0.6;
}

.cmp-hub-banner__title {
	margin: 0 0 10px;
	font-size: clamp(1.75rem, 4vw, 2.5rem);
	font-weight: 700;
	line-height: 1.2;
	color: #ffffff;
}

.cmp-hub-banner__lead {
	margin: 0 auto;
	max-width: 640px;
	/*font-size: 1.0625rem;*/
	line-height: 1.6;
	color: rgba(255, 255, 255, 0.9);
}

.cmp-hub-banner__stat {
	display: inline-flex;
	align-items: center;
	gap: 8px;
	margin-top: 22px;
	padding: 10px 22px;
	border-radius: 999px;
	background: rgba(255, 255, 255, 0.14);
	border: 1px solid rgba(255, 255, 255, 0.25);
	font-size: 0.9375rem;
	color: #ffffff;
}

.cmp-hub-banner__stat strong {
	font-size: 1.0625rem;
	font-weight: 700;
	color: #ffffff;
}

/* Reset chữ h1/h2... toàn site (body.cmp-tutor-starter-layout h1{color:var(--ts-text-strong)})
   có độ ưu tiên cao hơn .cmp-hub-banner__title 1 class ở trên (1 class+2 type
   thắng 1 class) nên trước đây tiêu đề bị đổi thành xanh, chìm mất trên nền
   gradient xanh của banner. Ép lại màu trắng với selector đủ độ ưu tiên. */
body.cmp-tutor-starter-layout .cmp-hub-banner,
body.cmp-tutor-starter-layout .cmp-hub-banner__title {
	color: #ffffff;
}

@media (max-width: 768px) {
	.cmp-hub-banner {
		padding: 40px 0 36px;
	}

	.cmp-hub-banner__stat {
		margin-top: 16px;
	}
}

/* —— Category nav (sticky dưới header site) —— */
.cmp-blog-nav-wrap {
	border-bottom: 1px solid var(--cmp-biz-border);
	background: var(--ts-surface, #fff);
	position: sticky;
	top: var(--cmp-header-stack-top, var(--cmp-header-height, 72px));
	z-index: var(--cmp-subnav-sticky-z, 1010);
	box-shadow: 0 1px 0 rgba(30, 30, 44, 0.06);
}

.cmp-blog-nav {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 16px;
	padding: 14px 0;
}

.cmp-blog-nav__list {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	gap: 4px 20px;
	list-style: none;
	margin: 0;
	padding: 0;
	flex: 1;
	min-width: 0;
}

.cmp-blog-nav__link {
	font-size: 0.9375rem;
	color: var(--cmp-biz-text);
	text-decoration: none;
	white-space: nowrap;
	padding: 4px 0;
	border-bottom: 2px solid transparent;
	transition: color 0.2s, border-color 0.2s;
}

.cmp-blog-nav__link:hover,
.cmp-blog-nav__link.is-active {
	color: var(--cmp-biz-primary);
	border-bottom-color: var(--cmp-biz-primary);
}

.cmp-blog-nav__search {
	display: flex;
	align-items: center;
	flex-shrink: 0;
}

.cmp-blog-nav__search input {
	/* box-sizing/height/line-height PHẢI khai báo rõ ở đây — CSS gốc của
	   tutorstarter đặt sẵn input[type=search]{height:40px; line-height:1.6}
	   cho MỌI ô tìm kiếm; ở đây chỉ ghi đè padding/font-size thì height/
	   line-height cũ của theme cha vẫn còn hiệu lực, 2 giá trị lệch nhau
	   khiến chữ bị tính sai vị trí dọc và bị cắt trên/dưới. */
	box-sizing: border-box;
	border: 1px solid var(--cmp-biz-border);
	border-radius: 8px 0 0 8px;
	padding: 8px 12px;
	height: auto;
	line-height: 1.4;
	font-size: 0.875rem;
	width: 160px;
	outline: none;
}

.cmp-blog-nav__search input:focus {
	border-color: var(--cmp-biz-primary);
}

.cmp-blog-nav__search button {
	border: 1px solid var(--cmp-biz-border);
	border-left: none;
	border-radius: 0 8px 8px 0;
	background: #fff;
	color: var(--cmp-biz-muted);
	padding: 8px 10px;
	cursor: pointer;
	display: flex;
	align-items: center;
}

/* —— Course filter bar (tìm kiếm + sắp xếp khóa học) —— */
.cmp-course-filter {
	display: flex;
	align-items: center;
	flex-shrink: 0;
}

.cmp-course-filter input[type="search"] {
	/* Cùng lý do như .cmp-blog-nav__search input ở trên — phải tự khai báo
	   box-sizing/height/line-height, không để lại height:40px/line-height:1.6
	   cũ của theme cha (tutorstarter) chồng lên padding/font-size mới. */
	box-sizing: border-box;
	border: 1px solid var(--cmp-biz-border);
	border-radius: 8px 0 0 8px;
	padding: 8px 12px;
	height: auto;
	line-height: 1.4;
	font-size: 0.875rem;
	width: 170px;
	outline: none;
}

.cmp-course-filter input[type="search"]:focus {
	border-color: var(--cmp-biz-primary);
}

.cmp-course-filter__sort {
	border: 1px solid var(--cmp-biz-border);
	border-left: none;
	padding: 8px 10px;
	font-size: 0.8125rem;
	color: var(--cmp-biz-text);
	background: #fff;
	outline: none;
	max-width: 200px;
	cursor: pointer;
}

.cmp-course-filter__sort:focus {
	border-color: var(--cmp-biz-primary);
}

.cmp-course-filter__submit {
	border: 1px solid var(--cmp-biz-border);
	border-left: none;
	border-radius: 0 8px 8px 0;
	background: #fff;
	color: var(--cmp-biz-muted);
	padding: 8px 10px;
	cursor: pointer;
	display: flex;
	align-items: center;
}

/* —— Section head —— */
.cmp-biz-section {
	padding: 32px 0 0;
}

.cmp-biz-section__head {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 12px;
	margin-bottom: 20px;
}

.cmp-biz-section__title {
	display: flex;
	align-items: center;
	gap: 10px;
	font-size: 1.125rem;
	font-weight: 700;
	text-transform: uppercase;
	margin: 0;
	color: var(--cmp-biz-text);
	letter-spacing: 0.02em;
}

.cmp-biz-section__bar {
	display: inline-block;
	width: 4px;
	height: 22px;
	background: var(--cmp-biz-orange);
	border-radius: 2px;
	flex-shrink: 0;
}

.cmp-biz-section__more {
	font-size: 0.875rem;
	color: var(--cmp-biz-primary);
	text-decoration: none;
	white-space: nowrap;
}

.cmp-biz-section__more:hover {
	text-decoration: underline;
}

/* —— Biz cards base —— */
.cmp-blog-hub .cmp-biz-card {
	background: #fff;
}

.cmp-blog-hub .cmp-biz-card a {
	text-decoration: none;
	color: inherit;
}

.cmp-blog-hub .cmp-biz-card__media {
	display: block;
	overflow: hidden;
	border-radius: 8px;
	background: #e8f4fc;
}

.cmp-blog-hub .cmp-biz-card__media img {
	display: block;
	width: 100%;
	height: 100%;
	object-fit: cover;
}

.cmp-blog-hub .cmp-biz-card__placeholder {
	display: block;
	width: 100%;
	min-height: 120px;
	background: linear-gradient(135deg, #dceaf6, #f0f6fc);
}

.cmp-blog-hub .cmp-biz-card__title {
	font-size: 1rem;
	font-weight: 700;
	line-height: 1.4;
	margin: 0 0 8px;
	color: var(--cmp-biz-text);
}

.cmp-blog-hub .cmp-biz-card__title a:hover {
	color: var(--cmp-biz-primary);
}

.cmp-blog-hub .cmp-biz-card__title--lg {
	font-size: 1.25rem;
}

.cmp-blog-hub .cmp-biz-card__excerpt {
	font-size: 0.875rem;
	line-height: 1.55;
	color: var(--cmp-biz-muted);
	margin: 0 0 10px;
}

.cmp-blog-hub .cmp-biz-card .cmp-card__date {
	display: flex;
	align-items: center;
	gap: 6px;
	font-size: 0.8125rem;
	color: var(--cmp-biz-muted);
	margin: 0;
}

.cmp-blog-hub .cmp-biz-card .cmp-card__date-icon {
	flex-shrink: 0;
	opacity: 0.7;
}

/* Hero horizontal */
.cmp-blog-hub .cmp-biz-card--hero {
	display: grid;
	grid-template-columns: minmax(200px, 42%) 1fr;
	gap: 20px;
	align-items: start;
	margin-bottom: 20px;
}

.cmp-blog-hub .cmp-biz-card--hero .cmp-biz-card__media {
	min-height: 200px;
}

.cmp-blog-hub .cmp-biz-card--hero .cmp-biz-card__media img,
.cmp-blog-hub .cmp-biz-card--hero .cmp-biz-card__placeholder {
	min-height: 200px;
}

/* Compact horizontal */
.cmp-blog-hub .cmp-biz-card--compact {
	display: grid;
	grid-template-columns: 120px 1fr;
	gap: 14px;
	padding: 16px 0;
	border-top: 1px solid var(--cmp-biz-border);
}

.cmp-blog-hub .cmp-biz-card--compact .cmp-biz-card__media {
	height: 80px;
}

.cmp-blog-hub .cmp-biz-card--compact .cmp-biz-card__media img,
.cmp-blog-hub .cmp-biz-card--compact .cmp-biz-card__placeholder {
	height: 80px;
	min-height: 80px;
}

/* Grid thumb */
.cmp-blog-hub .cmp-biz-card--grid .cmp-biz-card__media {
	margin-bottom: 12px;
}

.cmp-blog-hub .cmp-biz-card--grid .cmp-biz-card__media img,
.cmp-blog-hub .cmp-biz-card--grid .cmp-biz-card__placeholder {
	aspect-ratio: 16 / 10;
}

/* List item */
.cmp-blog-hub .cmp-biz-card--list {
	display: grid;
	grid-template-columns: 100px 1fr;
	gap: 12px;
	padding: 14px 0;
	border-bottom: 1px solid var(--cmp-biz-border);
}

.cmp-blog-hub .cmp-biz-card--list:last-child {
	border-bottom: none;
}

.cmp-blog-hub .cmp-biz-card--list .cmp-biz-card__media {
	height: 72px;
}

.cmp-blog-hub .cmp-biz-card--list .cmp-biz-card__media img,
.cmp-blog-hub .cmp-biz-card--list .cmp-biz-card__placeholder {
	height: 72px;
	min-height: 72px;
}

.cmp-blog-hub .cmp-biz-card--list .cmp-biz-card__title {
	font-size: 0.9375rem;
	margin-bottom: 6px;
}

/* Featured large */
.cmp-blog-hub .cmp-biz-card--featured-lg .cmp-biz-card__media {
	margin-bottom: 16px;
}

.cmp-blog-hub .cmp-biz-card--featured-lg .cmp-biz-card__media img,
.cmp-blog-hub .cmp-biz-card--featured-lg .cmp-biz-card__placeholder {
	aspect-ratio: 16 / 10;
	min-height: 280px;
}

/* —— Featured + sidebar —— */
.cmp-biz-featured-layout {
	display: grid;
	grid-template-columns: 1fr 280px;
	gap: 28px;
	align-items: start;
}

.cmp-biz-featured-layout__grid {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 20px;
}

.cmp-biz-promo {
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	text-align: center;
	min-height: 360px;
	padding: 32px 20px;
	border-radius: 12px;
	background: linear-gradient(160deg, #e8f4fc 0%, #d4e9f9 50%, #f8fbff 100%);
	border: 1px solid var(--cmp-biz-border);
	text-decoration: none;
	color: var(--cmp-biz-text);
	transition: box-shadow 0.2s;
}

.cmp-biz-promo:hover {
	box-shadow: 0 12px 32px rgba(0, 102, 179, 0.12);
	color: var(--cmp-biz-text);
}

.cmp-biz-promo__icon {
	font-size: 3rem;
	margin-bottom: 16px;
}

.cmp-biz-promo__title {
	font-size: 1.375rem;
	color: var(--cmp-biz-primary);
	margin-bottom: 8px;
}

.cmp-biz-promo__lead {
	font-size: 0.875rem;
	color: var(--cmp-biz-muted);
	margin: 0;
	line-height: 1.5;
}

/* —— Dual columns —— */
.cmp-biz-dual {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 32px;
}

.cmp-biz-dual__stack .cmp-biz-card--hero {
	margin-bottom: 0;
}

/* —— Split featured —— */
.cmp-biz-split {
	display: grid;
	grid-template-columns: 1.15fr 1fr;
	gap: 28px;
	align-items: start;
}

.cmp-biz-split__list {
	border-left: 1px solid var(--cmp-biz-border);
	padding-left: 8px;
}

/* —— List cursor (courses) —— */
.cmp-list-cursor-hub {
	--cmp-biz-primary: var(--ts-primary);
	--cmp-biz-orange: var(--ts-primary-dark);
	--cmp-biz-text: #1a2b3c;
	--cmp-biz-muted: #5c6b7a;
	--cmp-biz-border: #e8eef4;
	--cmp-biz-bg: #ffffff;
	background: var(--cmp-biz-bg);
	color: var(--cmp-biz-text);
	padding-bottom: 56px;
}

.cmp-list-cursor-hub .cmp-biz-section--list-cursor {
	padding: 32px 0 0;
}

.cmp-list-cursor-grid {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 28px 24px;
}

.cmp-list-cursor-pagination {
	margin-top: 40px;
}

.cmp-hub-empty {
	text-align: center;
	color: var(--cmp-biz-muted);
	padding: 48px 0;
}

.cmp-blog-hub--archive {
	padding-bottom: 56px;
}

.cmp-blog-archive-grid {
	margin-top: 8px;
}

@media (max-width: 1024px) {
	.cmp-biz-featured-layout {
		grid-template-columns: 1fr;
	}

	.cmp-biz-featured-layout__sidebar {
		order: -1;
	}

	.cmp-biz-promo {
		min-height: 200px;
	}

	.cmp-biz-featured-layout__grid {
		grid-template-columns: repeat(2, 1fr);
	}

	.cmp-biz-dual,
	.cmp-biz-split {
		grid-template-columns: 1fr;
	}

	.cmp-biz-split__list {
		border-left: none;
		padding-left: 0;
	}

	.cmp-list-cursor-grid {
		grid-template-columns: repeat(2, 1fr);
	}
}

@media (max-width: 768px) {
	.cmp-blog-nav {
		flex-direction: column;
		align-items: stretch;
	}

	.cmp-blog-nav__search {
		width: 100%;
	}

	.cmp-blog-nav__search input {
		flex: 1;
		width: 100%;
	}

	.cmp-course-filter {
		width: 100%;
		flex-direction: column;
		align-items: stretch;
		gap: 8px;
	}

	.cmp-course-filter input[type="search"],
	.cmp-course-filter__sort,
	.cmp-course-filter__submit {
		width: 100%;
		border-radius: 8px;
		border-left: 1px solid var(--cmp-biz-border);
	}

	.cmp-blog-nav-wrap {
		position: relative;
		top: auto;
	}

	.cmp-blog-hub .cmp-biz-card--hero,
	.cmp-blog-hub .cmp-biz-card--compact,
	.cmp-blog-hub .cmp-biz-card--list {
		grid-template-columns: 1fr;
	}

	.cmp-biz-featured-layout__grid,
	.cmp-list-cursor-grid {
		grid-template-columns: 1fr;
	}
}