/*
 * Kiến thức & Luyện thi: hub, chuyên mục, danh sách
 *
 * Tách từ main.css (10/2026). Thứ tự nạp: inc/enqueue.php → tri_css_parts().
 */

@media (min-width: 1200px) {
	.tri-article__aside-inner .tri-knowledge-promo__media {
		box-shadow: 0 8px 18px rgba(9, 31, 91, 0.12);

	}
}

.tri-article__aside-inner > .tri-knowledge-promo {
	flex-shrink: 0;
}

/* -- Kiến thức hub (/kien-thuc/) --------------------------- */
.tri-knowledge {
	padding-block: 48px 0;
	background: #f5f7fb;
}

.tri-knowledge__sticky-wrap {
	padding-bottom: 48px;
}

.tri-knowledge__layout {
	display: grid;
	gap: 32px;
	align-items: start;
}

.tri-knowledge__main {
	display: flex;
	flex-direction: column;
	gap: 56px;
	min-width: 0;
}

.tri-knowledge-block__title {
	margin: 0 0 28px;
	color: var(--wp--preset--color--navy, #091f5b);
	font-size: clamp(1.5rem, 2.2vw, 2rem);
	font-weight: 800;
	letter-spacing: 0.02em;
	text-transform: uppercase;
	line-height: 1.25;
}

.tri-knowledge-block__row {
	display: grid;
	gap: 24px 28px;
	align-items: start;
}

.tri-knowledge__float {
	margin: 0;
	position: relative;
	width: min(100%, 280px);
	aspect-ratio: 1;
	border-radius: 16px;
	overflow: visible;
	/* Bobbing lives on __float-inner so sticky still works. */
}

.tri-knowledge__float-inner {
	display: block;
	width: 100%;
	height: 100%;
	border-radius: 16px;
	overflow: hidden;
	box-shadow: 0 18px 40px rgba(9, 31, 91, 0.12);
	animation: tri-knowledge-float 4.5s ease-in-out infinite;
}

.tri-knowledge__float img,
.tri-knowledge__float-ph {
	display: block;
	width: 100%;
	height: 100%;
	object-fit: cover;
}

.tri-knowledge__float-ph {
	background: linear-gradient(145deg, #e4eaf3 0%, #c9d5e8 100%);
}

@media (prefers-reduced-motion: reduce) {
	.tri-knowledge__float-inner {
		animation: none;

	}
}

.tri-knowledge__cards {
	display: flex;
	flex-direction: column;
	gap: 12px;
	min-width: 0;
}

.tri-knowledge-card {
	display: flex;
	align-items: center;
	min-height: 52px;
	padding: 14px 22px;
	border-radius: 10px;
	background: #fff;
	box-shadow: 0 6px 18px rgba(9, 31, 91, 0.08);
	color: var(--wp--preset--color--navy, #091f5b);
	text-decoration: none;
	transition: transform 0.2s ease, box-shadow 0.2s ease, color 0.2s ease;
}

.tri-knowledge-card:hover,
.tri-knowledge-card:focus-visible {
	transform: translateY(-2px);
	box-shadow: 0 10px 28px rgba(0, 83, 209, 0.16);
	color: var(--wp--preset--color--action, #0053d1);
	outline: none;
}

.tri-knowledge-card--static {
	cursor: default;
}

.tri-knowledge-card__label {
	font-size: var(--wp--preset--font-size--medium);
	font-weight: 600;
	line-height: 1.35;
}

.tri-knowledge__aside {
	min-width: 0;
}

.tri-knowledge-promo {
	display: flex;
	flex-direction: column;
	align-items: stretch;
	gap: 16px;
}

.tri-knowledge-promo__tag {
	margin: 0;
	color: var(--wp--preset--color--orange, #ec6207);
	font-size: 0.8125rem;
	font-weight: 800;
	letter-spacing: 0.06em;
	line-height: 1.3;
	text-transform: uppercase;
}

.tri-knowledge-promo__media {
	margin: 0;
	border-radius: 16px;
	overflow: hidden;
	box-shadow: 0 14px 36px rgba(9, 31, 91, 0.14);
	background: #fff;
}

.tri-knowledge-promo__media img {
	display: block;
	width: 100%;
	height: auto;
}

.tri-knowledge-promo__cta {
	width: 100%;
	justify-content: center;
	text-align: center;
	text-transform: uppercase;
	font-weight: 700;
	letter-spacing: 0.02em;
}

.tri-knowledge-posts {
	padding-block: 56px;
}

.tri-knowledge-posts__head {
	display: flex;
	justify-content: space-between;
	align-items: center;
	gap: 16px;
	margin-bottom: 4px;
}

.tri-knowledge-posts__title {
	margin: 0;
	flex: 1 1 auto;
	min-width: 0;
}

.tri-knowledge-posts__more {
	display: inline-flex;
	flex: 0 0 auto;
	align-items: center;
	gap: 6px;
	color: #0e5dd3;
	font-family: var(--wp--preset--font-family--beau-sans);
	font-size: var(--wp--preset--font-size--small);
	font-weight: var(--wp--custom--font--weight-ui);
	line-height: 1.3;
	text-decoration: none;
	white-space: nowrap;
	transition: color 0.2s ease;
}

.tri-knowledge-posts__more:hover,
.tri-knowledge-posts__more:focus-visible {
	color: var(--wp--preset--color--action, #0053d1);
}

.tri-knowledge-posts__more-icon {
	font-size: 0.95em;
	line-height: 1;
}

.tri-knowledge-posts__grid {
	margin-top: 24px;
}

/* Tablet+: 2-col hub (topics + sticky promo). Mobile stacks aside below. */
@media (min-width: 768px) {
	.tri-knowledge__layout {
		grid-template-columns: minmax(0, 1fr) minmax(220px, 280px);
		gap: 32px;
		/* Sticky needs aside taller than the promo box (span SS1–SS2). */
		align-items: stretch;

	}

	.tri-knowledge__aside {
		align-self: stretch;

	}

	.tri-knowledge__aside-inner {
		position: sticky;
		top: calc(var(--tri-adminbar, 0px) + var(--tri-header-h, 80px) + 16px);

	}

	.tri-knowledge-block__row {
		grid-template-columns: 220px minmax(0, 1fr);
		align-items: start;

	}

	.tri-knowledge__float {
		position: sticky;
		top: calc(var(--tri-adminbar, 0px) + var(--tri-header-h, 80px) + 16px);
		width: 100%;
		z-index: 1;

	}
}

/* Kiến thức (/kien-thuc/) ở tablet: khối ưu đãi xuống DƯỚI như mobile,
   chủ đề chiếm hết bề ngang — cột phải 220–280px làm thẻ chủ đề quá hẹp.
   Luyện thi (--practice) và Tổng quan giữ 2 cột. */
@media (min-width: 768px) and (max-width: 1024px) {
	.tri-knowledge:not(.tri-knowledge--practice):not(.tri-knowledge--tong-quan) .tri-knowledge__layout {
		display: flex;
		flex-direction: column;
		gap: 40px;
		align-items: stretch;

	}

	.tri-knowledge:not(.tri-knowledge--practice):not(.tri-knowledge--tong-quan) .tri-knowledge__aside {
		order: 2;
		width: 100%;
		max-width: none;
		margin-inline: 0;

	}

	/* Ảnh ưu đãi dọc: kéo hết bề ngang tablet là cao >1300px. Giữ khổ gần
		   mobile, căn giữa. */
	.tri-knowledge:not(.tri-knowledge--practice):not(.tri-knowledge--tong-quan) .tri-knowledge__aside-inner {
		position: static;
		width: min(100%, 380px);
		margin-inline: auto;

	}
}

@media (min-width: 1025px) {
	.tri-knowledge__layout {
		grid-template-columns: minmax(0, 1fr) 300px;
		gap: 40px;

	}

	.tri-knowledge-block__row {
		grid-template-columns: 260px minmax(0, 1fr);

	}
}

@media (max-width: 767px) {
	.tri-knowledge {
		padding-block: 32px 0;

	}

	.tri-knowledge__sticky-wrap.tri-wrap {
		/* Near full-bleed cards within light side padding. */
		width: calc(100% - 20px);

	}

	.tri-knowledge__layout {
		display: flex;
		flex-direction: column;
		gap: 28px;
		/* Override base align-items:start so topic cards stretch full content width. */
		align-items: stretch;

	}

	.tri-knowledge__main {
		width: 100%;
		min-width: 0;
		gap: 40px;

	}

	.tri-knowledge-block__title {
		margin-bottom: 20px;
		font-size: var(--tri-text-22);
		text-align: center;

	}

	.tri-knowledge__aside {
		order: 2;
		width: 100%;
		max-width: none;
		margin-inline: 0;

	}

	.tri-knowledge__float {
		position: relative;
		top: auto;
		width: min(100%, 200px);
		margin-inline: auto;

	}

	.tri-knowledge__cards {
		width: 100%;

	}

	.tri-knowledge-card {
		width: 100%;
		box-sizing: border-box;
		min-height: 48px;
		padding: 12px 16px;

	}

	/* Posts sections: 2-col grid on true mobile (overrides base 1-col .tri-post-grid). */
	.tri-knowledge-posts .tri-knowledge-posts__grid {
		grid-template-columns: repeat(2, minmax(0, 1fr));
		gap: 12px;

	}
}

/* -- T?ng quan IELTS (Sec 1 sidebar + list) ------------------------- */
.tri-knowledge--tong-quan {
	padding-block: 40px 0;
	background: #f5f7fb;
}

.tri-knowledge-overview__wrap {
	display: grid;
	gap: 28px 40px;
	align-items: start;
}

.tri-knowledge-overview__title {
	margin: 0 0 12px;
	color: var(--wp--preset--color--navy, #091f5b);
	font-size: var(--wp--preset--font-size--x-large);
	font-weight: 800;
	line-height: 1.25;
}

.tri-knowledge-overview__lead {
	margin: 0 0 28px;
	max-width: 52rem;
	color: #4a5568;
	font-size: var(--wp--preset--font-size--medium);
	line-height: 1.65;
}

.tri-knowledge-overview__list {
	display: flex;
	flex-direction: column;
	gap: 20px;
}

.tri-knowledge-row__link {
	display: grid;
	grid-template-columns: minmax(120px, 220px) minmax(0, 1fr);
	gap: 16px 20px;
	align-items: center;
	text-decoration: none;
	color: inherit;
}

.tri-knowledge-row__media {
	display: block;
	width: 100%;
	aspect-ratio: 4 / 3;
	object-fit: cover;
	border-radius: 14px;
	background: #e5eaf2;
}

.tri-knowledge-row__media--empty {
	min-height: 120px;
}

.tri-knowledge-row__title {
	margin: 0 0 8px;
	color: var(--wp--preset--color--navy, #091f5b);
	font-size: var(--tri-text-17);
	font-weight: 700;
	line-height: 1.4;
}

.tri-knowledge-row__link:hover .tri-knowledge-row__title,
.tri-knowledge-row__link:focus-visible .tri-knowledge-row__title {
	color: var(--wp--preset--color--action, #0053d1);
}

.tri-knowledge-row__desc {
	margin: 0;
	color: #6b7280;
	font-size: var(--tri-text-15);
	line-height: 1.55;
	display: -webkit-box;
	-webkit-line-clamp: 3;
	-webkit-box-orient: vertical;
	overflow: hidden;
}

.tri-knowledge-overview__pager {
	margin-top: 28px;
	display: flex;
	justify-content: flex-end;
}

.tri-knowledge-nav__list {
	list-style: none;
	margin: 0;
	padding: 0;
	display: flex;
	flex-direction: column;
	gap: 6px;
}

.tri-knowledge-nav__link {
	display: flex;
	align-items: center;
	gap: 12px;
	padding: 10px 14px;
	border-radius: 10px;
	color: var(--wp--preset--color--navy, #091f5b);
	text-decoration: none;
	font-weight: 600;
	font-size: var(--tri-text-15);
	transition: background 0.2s ease, color 0.2s ease;
}

.tri-knowledge-nav__icon {
	display: inline-flex;
	flex-shrink: 0;
	width: 24px;
	height: 24px;
	align-items: center;
	justify-content: center;
}

.tri-knowledge-nav__icon svg {
	display: block;
}

.tri-knowledge-nav__link:hover,
.tri-knowledge-nav__link:focus-visible {
	background: color-mix(in srgb, var(--wp--preset--color--navy, #091f5b) 6%, transparent);
	outline: none;
}

.tri-knowledge-nav__link.is-active {
	background: var(--wp--preset--color--navy, #091f5b);
	color: #fff;
}

/* -- Cấu trúc bài viết: Tổng quan / chuyên mục Kiến thức / Luyện thi -----
   figma/pages/tong-quan-ve-ielts.webp, luyen-thi-ielts.webp,
   giai-de-cambridge.webp, giai-de-cambridge-19.webp. */
/* Tiêu đề + mô tả canh giữa trên cả khung (không nằm trong cột phải). */
.tri-knowledge-overview__head {
	margin: 0 auto 32px;
	text-align: center;
}

.tri-knowledge-overview__head .tri-knowledge-overview__title {
	text-transform: uppercase;
	letter-spacing: 0.01em;
}

.tri-knowledge-overview__head .tri-knowledge-overview__lead {
	margin: 0 auto;
	max-width: 44rem;
	font-size: var(--tri-text-15);
}

.tri-knowledge-overview__head:empty {
	display: none;
}

.tri-knowledge-overview + .tri-knowledge-posts {
	margin-top: 32px;
}

/* ── Hub Luyện thi: nhiều nhóm, phân cách gạch chấm ── */
.tri-knowledge--practice .tri-knowledge__main {
	gap: 0;
}

.tri-knowledge-block--practice + .tri-knowledge-block--practice {
	margin-top: 36px;
	padding-top: 36px;
	border-top: 1px dashed #b8c4d6;
}

.tri-knowledge-block--practice .tri-knowledge-block__title {
	margin-bottom: 18px;
	color: var(--wp--preset--color--action, #0053d1);
	font-size: var(--tri-text-22);
	text-transform: none;
	letter-spacing: 0;
}

/* Cột phải có cả thẻ ưu đãi lẫn chồng bài — không sticky, tránh ưu đãi
   trượt đè lên thẻ bài. */
.tri-knowledge__aside-promo {
	margin-bottom: 40px;
}

.tri-knowledge-posts--stack {
	display: flex;
	flex-direction: column;
	gap: 14px;
	padding: 0;
	background: transparent;
}

/* ── Chuyên mục cha Luyện thi: nhóm × 4 thẻ ── */
.tri-knowledge--groups {
	padding-block: 40px 64px;
}

.tri-cat-group + .tri-cat-group {
	margin-top: 40px;
}

.tri-cat-group__title {
	margin: 0 0 16px;
	font-size: var(--tri-text-18);
	font-weight: 800;
	line-height: 1.3;
}

.tri-cat-group__title a {
	color: var(--wp--preset--color--action, #0053d1);
	text-decoration: none;
}

.tri-cat-group__title a:hover,
.tri-cat-group__title a:focus-visible {
	color: var(--wp--preset--color--navy, #091f5b);
}

.tri-cat-group__grid {
	display: grid;
	grid-template-columns: repeat(2, minmax(0, 1fr));
	gap: 12px;
}

.tri-cat-group__empty {
	margin: 0;
	color: #6b7280;
	font-size: var(--tri-text-13);
}

/* ── Chuyên mục lá Luyện thi: breadcrumb + accordion + danh sách ── */
.tri-knowledge--practice-list {
	padding-block: 40px 64px;
}

.tri-practice-layout {
	display: grid;
	gap: 28px 40px;
	align-items: start;
}

.tri-practice-layout__main {
	min-width: 0;
}

.tri-practice-layout__title {
	margin: 0 0 16px;
	color: var(--wp--preset--color--action, #0053d1);
	font-size: var(--tri-text-22);
	font-weight: 800;
	line-height: 1.3;
}

.tri-practice-layout__lead {
	margin: -4px 0 20px;
	color: #4a5568;
	font-size: var(--tri-text-15);
	line-height: 1.6;
}

.tri-practice-layout__list {
	display: flex;
	flex-direction: column;
	gap: 20px;
}

.tri-practice-layout__pager .nav-links {
	justify-content: center;
}

.tri-knowledge-row--dotted {
	padding-bottom: 20px;
	border-bottom: 1px dashed #b8c4d6;
}

.tri-knowledge-row--dotted .tri-knowledge-row__link {
	grid-template-columns: minmax(96px, 150px) minmax(0, 1fr);
}

.tri-knowledge-row--dotted .tri-knowledge-row__media {
	aspect-ratio: 1;
}

.tri-knowledge-row--dotted .tri-knowledge-row__title {
	font-size: var(--tri-text-15);
}

.tri-knowledge-row--dotted .tri-knowledge-row__desc {
	font-size: var(--tri-text-13);
}

.tri-practice-nav__list,
.tri-practice-nav__kids {
	margin: 0;
	padding: 0;
	list-style: none;
}

.tri-practice-nav__group + .tri-practice-nav__group {
	margin-top: 6px;
}

.tri-practice-nav__head {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 8px;
	min-height: 46px;
	padding: 10px 12px 10px 14px;
	border-radius: 10px;
	list-style: none;
	cursor: pointer;
	transition: background-color 0.2s ease;
}

.tri-practice-nav__head::-webkit-details-marker {
	display: none;
}

.tri-practice-nav__head:hover {
	background: #f4f7fc;
}

.tri-practice-nav__head.is-open,
.tri-practice-nav__details[open] > .tri-practice-nav__head {
	background: #eaf2fb;
}

.tri-practice-nav__label {
	overflow: hidden;
	min-width: 0;
	color: var(--wp--preset--color--navy, #091f5b);
	font-size: var(--tri-text-15);
	font-weight: 700;
	line-height: 1.35;
	white-space: nowrap;
	text-overflow: ellipsis;
	text-decoration: none;
}

.tri-practice-nav__label:hover,
.tri-practice-nav__label:focus-visible {
	color: var(--wp--preset--color--action, #0053d1);
}

/* Nút tròn viền navy, mũi tên trỏ phải; mở nhóm thì xoay trỏ xuống. */
.tri-practice-nav__toggle {
	position: relative;
	flex: 0 0 auto;
	width: 20px;
	height: 20px;
	border: 1.5px solid currentColor;
	border-radius: 50%;
	color: var(--wp--preset--color--navy, #091f5b);
	transition: transform 0.2s ease;
}

.tri-practice-nav__toggle::after {
	content: "";
	position: absolute;
	top: 50%;
	left: 50%;
	width: 5px;
	height: 5px;
	border-right: 1.5px solid currentColor;
	border-bottom: 1.5px solid currentColor;
	transform: translate(-65%, -50%) rotate(-45deg);
}

.tri-practice-nav__details[open] .tri-practice-nav__toggle {
	transform: rotate(90deg);
}

/* Sidebar chuyên mục Luyện thi / Giải đề (template-parts/practice-nav.php).
   Thẻ trắng; nhóm đang mở nền xanh nhạt; nhãn navy đậm + nút tròn viền.
   MỌI nhãn một dòng — dài quá thì "…" (title trong HTML hiện đủ khi rê). */
/* Nhóm mở: hiện tối đa 5 mục (mỗi mục cao --tri-pn-kid), còn lại cuộn
   trong khung với thanh cuộn mảnh màu thương hiệu. sheet.js cuộn sẵn tới
   mục đang xem. */
.tri-practice-nav {
	padding: 12px;
	border-radius: 14px;
	background: #fff;
	box-shadow: 0 10px 30px rgba(9, 31, 91, 0.08);
	--tri-pn-kid: 45px;
}

.tri-practice-nav__kids {
	max-height: calc(var(--tri-pn-kid) * 5 + 14px);
	margin: 6px 0 8px;
	padding: 0 4px 0 0;
	overflow-y: auto;
	overscroll-behavior: contain;
	scrollbar-width: thin;
	scrollbar-color: #8fb0dc #eef3fa;
	-webkit-overflow-scrolling: touch;
}

.tri-practice-nav__kids::-webkit-scrollbar {
	width: 6px;
}

.tri-practice-nav__kids::-webkit-scrollbar-track {
	margin-block: 4px;
	border-radius: 6px;
	background: #eef3fa;
}

.tri-practice-nav__kids::-webkit-scrollbar-thumb {
	border-radius: 6px;
	background: linear-gradient(180deg, var(--wp--preset--color--sky, #6f96d1), var(--wp--preset--color--royal, #3b63a8));
}

.tri-practice-nav__kids::-webkit-scrollbar-thumb:hover {
	background: var(--wp--preset--color--royal, #3b63a8);
}

.tri-practice-nav__kid {
	display: block;
	overflow: hidden;
	box-sizing: border-box;
	height: var(--tri-pn-kid);
	padding: 12px 14px 12px 40px;
	border-radius: 10px;
	color: #1d2a4d;
	font-size: var(--tri-text-15);
	font-weight: 500;
	line-height: 21px;
	white-space: nowrap;
	text-overflow: ellipsis;
	text-decoration: none;
	transition: background-color 0.2s ease, color 0.2s ease;
}

.tri-practice-nav__kid:hover,
.tri-practice-nav__kid:focus-visible {
	background: #f4f7fc;
	color: var(--wp--preset--color--action, #0053d1);
	outline: none;
}

/* Mục đang xem: chữ xanh đậm + vạch trái, không đổ nền đậm. */
.tri-practice-nav__kid.is-active {
	position: relative;
	background: #f4f7fc;
	color: var(--wp--preset--color--action, #0053d1);
	font-weight: 700;
}

.tri-practice-nav__kid.is-active::before {
	content: "";
	position: absolute;
	left: 22px;
	top: 50%;
	width: 6px;
	height: 6px;
	border-radius: 50%;
	background: currentColor;
	transform: translateY(-50%);
}

@media (min-width: 768px) {
	.tri-knowledge-overview__wrap {
		grid-template-columns: 260px minmax(0, 1fr);
		align-items: stretch;

	}

	.tri-knowledge-overview__aside {
		align-self: stretch;

	}

	.tri-knowledge-overview__aside-inner {
		position: sticky;
		top: calc(var(--tri-adminbar, 0px) + var(--tri-header-h, 80px) + 16px);

	}

	.tri-cat-group__grid {
		grid-template-columns: repeat(4, minmax(0, 1fr));
		gap: 16px;

	}

	.tri-knowledge--practice .tri-knowledge__aside-inner {
		position: static;

	}

	/* 260 / 300px: đủ cho nhãn dài nhất ("Luyện Thi IELTS Vocabulary")
		   nằm một dòng — xem .tri-practice-nav__label. */
	.tri-practice-layout {
		grid-template-columns: 260px minmax(0, 1fr);
		align-items: stretch;

	}

	.tri-practice-layout__aside-inner {
		position: sticky;
		top: calc(var(--tri-adminbar, 0px) + var(--tri-header-h, 80px) + 16px);

	}
}

@media (min-width: 768px) and (max-width: 1024px) {
	.tri-practice-layout .tri-practice-nav__label,
		.tri-practice-layout .tri-practice-nav__kid {
		font-size: 13px;

	}

	.tri-practice-layout .tri-practice-nav__kid {
		padding-left: 34px;

	}

	.tri-practice-layout .tri-practice-nav__kid.is-active::before {
		left: 18px;

	}
}

@media (min-width: 1025px) {
	.tri-practice-layout {
		grid-template-columns: 300px minmax(0, 1fr);

	}
}

@media (max-width: 767px) {
	.tri-knowledge--practice-list,
		.tri-knowledge--groups {
		padding-block: 28px 48px;

	}

	/* Mobile: danh sách bài lên trước, sidebar xuống dưới như Tổng quan. */
	.tri-practice-layout {
		display: flex;
		flex-direction: column;

	}

	.tri-practice-layout__aside {
		order: 2;
		width: 100%;

	}

	.tri-knowledge-row--dotted .tri-knowledge-row__link {
		grid-template-columns: 96px minmax(0, 1fr);
		gap: 12px;

	}
}

.tri-breadcrumb-bar + .tri-knowledge,
.tri-breadcrumb-bar + .tri-knowledge--tong-quan {
	padding-top: 24px;
}

.tri-article-khu .tri-practice-nav {
	padding: 10px 8px;
	box-shadow: 0 6px 18px rgba(9, 31, 91, 0.06);
}

.tri-article-khu .tri-knowledge-nav__list {
	flex-direction: column;
	overflow: visible;
}

.tri-article-khu .tri-knowledge-nav__link {
	white-space: normal;
}

/* -- Đội ngũ: danh bạ toàn bộ giảng viên (template-parts/teacher-directory.php) */
.tri-dir__filters {
	display: flex;
	flex-wrap: wrap;
	justify-content: center;
	gap: 10px;
	margin: 20px auto 28px;
}

.tri-dir__chip {
	display: inline-flex;
	align-items: center;
	gap: 8px;
	padding: 9px 18px;
	border: 1.5px solid #dbe3f0;
	border-radius: 999px;
	background: #fff;
	color: var(--wp--preset--color--navy);
	font: inherit;
	font-weight: 700;
	cursor: pointer;
	transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.tri-dir__chip span {
	padding: 1px 8px;
	border-radius: 999px;
	background: color-mix(in srgb, var(--wp--preset--color--navy) 8%, #fff);
	font-size: 12px;
}

.tri-dir__chip.is-active {
	border-color: var(--wp--preset--color--navy);
	background: var(--wp--preset--color--navy);
	color: #fff;
}

.tri-dir__chip.is-active span {
	background: var(--wp--preset--color--orange);
	color: #fff;
}

.tri-dir__grid {
	display: grid;
	grid-template-columns: repeat(6, minmax(0, 1fr));
	gap: 14px;
	width: var(--tri-chrome);
	max-width: 100%;
	margin-inline: auto;
}

.tri-dir__card {
	display: flex;
	flex-direction: column;
	gap: 6px;
	padding: 10px;
	border: 1px solid #e3e9f5;
	border-radius: 16px;
	background: #fff;
	color: var(--wp--preset--color--navy);
	text-decoration: none;
	transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.tri-dir__card[hidden] {
	display: none;
}

.tri-dir__card:hover,
.tri-dir__card:focus-visible {
	transform: translateY(-3px);
	box-shadow: 0 14px 30px rgba(9, 31, 91, 0.12);
}

.tri-dir__card img,
.tri-dir__ph {
	display: block;
	width: 100%;
	aspect-ratio: 153 / 169;
	border-radius: 12px;
	background: color-mix(in srgb, var(--wp--preset--color--ice, #e7f0fb) 80%, #fff);
	object-fit: cover;
}

.tri-dir__name {
	font-size: 14px;
	font-weight: 700;
	line-height: 1.3;
}

.tri-dir__meta {
	color: var(--wp--preset--color--orange);
	font-size: 12px;
	font-weight: 800;
}

@media (max-width: 1024px) {
	.tri-dir__grid {
		grid-template-columns: repeat(4, minmax(0, 1fr));

	}
}

@media (max-width: 767px) {
	.tri-knowledge-overview__wrap {
		display: flex;
		flex-direction: column;

	}

	/* Cột chuyên mục trên điện thoại = bảng trượt mở bằng nút nổi góc
		   dưới trái (inc/mobile-sheet.php, assets/css/sheet.css). */
	.tri-knowledge-overview__main {
		order: 1;

	}

	.tri-knowledge-nav__list {
		flex-direction: column;
		flex-wrap: nowrap;
		gap: 4px;
		overflow: visible;
		padding-bottom: 0;

	}

	.tri-knowledge-nav__link {
		flex: none;
		white-space: normal;

	}

	/* Giữ ảnh trái — chữ phải như PC/tablet, thu nhỏ thumb. */
	.tri-knowledge-row__link {
		grid-template-columns: minmax(96px, 128px) minmax(0, 1fr);
		gap: 12px 14px;
		align-items: start;

	}

	.tri-knowledge-row__media {
		border-radius: 10px;

	}

	.tri-knowledge-row__title {
		margin-bottom: 4px;
		font-size: var(--tri-text-15);

	}

	.tri-knowledge-row__desc {
		-webkit-line-clamp: 2;
		font-size: var(--tri-text-13);

	}

	.tri-knowledge-overview__pager {
		justify-content: center;

	}

	.tri-dir__grid {
		grid-template-columns: repeat(2, minmax(0, 1fr));
		width: calc(100% - 2 * var(--tri-section-px));

	}
}