/* =======================================================================
   EDU Content Sidebar Menu (Sidebar bài viết & Trang dùng chung)
   ======================================================================= */
.edu-content-sidebar-menu {
	width: 100%;
	box-sizing: border-box;
}

/* Related Posts block */
.edu-content-sidebar-menu__related {
	margin-block-end: 24px;
	box-sizing: border-box;
}

.edu-content-sidebar-menu__related-heading {
	margin-block-start: 0 !important;
	margin-block-end: 12px !important;
}

.edu-content-sidebar-menu__related-list {
	box-sizing: border-box;
}

.edu-content-sidebar-menu__related-item {
	display: grid;
	grid-template-columns: clamp(96px, 34%, 120px) minmax(0, 1fr);
	gap: 12px;
	align-items: center;
	padding: 12px 0;
	box-sizing: border-box;
}

.edu-content-sidebar-menu__related-thumb {
	position: relative;
	display: block;
	overflow: hidden;
	background-color: var(--edu-bg-soft);
	border-radius: var(--edu-radius);
	width: 100%;
	aspect-ratio: 16 / 9;
}

.edu-content-sidebar-menu__related-thumb img {
	position: absolute;
	inset: 0;
	width: 100%;
	height: 100%;
	object-fit: cover;
	transition: transform 0.3s ease;
}

.edu-content-sidebar-menu__related-item:hover .edu-content-sidebar-menu__related-thumb img {
	transform: scale(1.05);
}

.edu-content-sidebar-menu__related-thumb--placeholder {
	background: linear-gradient(135deg, var(--edu-bg-soft), var(--edu-border));
}

.edu-content-sidebar-menu__related-thumb--placeholder::after {
	content: "";
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="%23cbd5e1" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><rect x="3" y="3" width="18" height="18" rx="2" ry="2"/><circle cx="8.5" cy="8.5" r="1.5"/><polyline points="21 15 16 10 5 21"/></svg>');
	background-repeat: no-repeat;
	background-position: center;
	background-size: 20px;
	opacity: 0.6;
}

.edu-content-sidebar-menu__related-content {
	min-width: 0;
}

.edu-content-sidebar-menu__related-title {
	margin: 0 0 6px 0 !important;
	padding: 0 !important;
	display: -webkit-box;
	-webkit-line-clamp: 2;
	-webkit-box-orient: vertical;
	overflow: hidden;
	text-align: justify;
	text-align-last: left;
}

.edu-content-sidebar-menu__related-title a {
	color: var(--theme-palette-color-4);
	text-decoration: none;
	transition: color 0.2s ease;
}

.edu-content-sidebar-menu__related-item:hover .edu-content-sidebar-menu__related-title a {
	color: var(--theme-palette-color-2);
}

.edu-content-sidebar-menu__related-meta {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	gap: 6px;
	color: var(--edu-muted);
	font-size: 12px;
}

.edu-content-sidebar-menu__related-meta-item {
	display: inline-flex;
	align-items: center;
	gap: 4px;
}

.edu-content-sidebar-menu__related-meta-icon {
	flex-shrink: 0;
	stroke: currentColor;
}

.edu-content-sidebar-menu__related-meta-text {
	white-space: nowrap;
}

.edu-content-sidebar-menu__related-meta-sep {
	color: var(--edu-border);
	user-select: none;
}

/* Menu Branch block */
.edu-content-sidebar-menu__menu {
	width: 100%;
	box-sizing: border-box;
}

.edu-content-sidebar-menu__heading {
	margin-block-start: 0 !important;
	margin-block-end: 12px !important;
}

.edu-content-sidebar-menu__list,
.edu-content-sidebar-menu__children {
	list-style: none !important;
	margin: 0 !important;
	padding: 0 !important;
	box-sizing: border-box;
}

.edu-content-sidebar-menu__item {
	position: relative;
	box-sizing: border-box;
	background-color: var(--edu-white);
}

.edu-content-sidebar-menu__item-row {
	display: flex;
	justify-content: space-between;
	align-items: stretch;
	width: 100%;
	box-sizing: border-box;
}

.edu-content-sidebar-menu__link {
	flex-grow: 1;
	display: flex;
	align-items: center;
	padding: 13px 18px;
	color: var(--theme-palette-color-4);
	text-decoration: none !important;
	transition: var(--edu-transition);
	box-sizing: border-box;
}

.edu-content-sidebar-menu__link:hover {
	color: var(--theme-palette-color-2);
}

/* Parent active/expanded dùng màu đỏ theme EDU TRADE */
.edu-content-sidebar-menu__item.is-active .edu-content-sidebar-menu__link,
.edu-content-sidebar-menu__item.is-expanded .edu-content-sidebar-menu__link {
	color: var(--theme-palette-color-3);
}

.edu-content-sidebar-menu__toggle {
	display: flex;
	align-items: center;
	justify-content: center;
	width: 44px;
	background: transparent;
	border: none;
	cursor: pointer;
	padding: 0;
	outline: none;
	margin: 0;
	color: var(--theme-palette-color-4);
	transition: var(--edu-transition);
	box-sizing: border-box;
}

.edu-content-sidebar-menu__toggle:hover {
	color: var(--theme-palette-color-2);
}

.edu-content-sidebar-menu__item.is-active .edu-content-sidebar-menu__toggle,
.edu-content-sidebar-menu__item.is-expanded .edu-content-sidebar-menu__toggle {
	color: var(--theme-palette-color-3);
}

.edu-content-sidebar-menu__arrow {
	width: 18px;
	height: 18px;
	stroke-width: 2.2;
	transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1);
	flex-shrink: 0;
}

.edu-content-sidebar-menu__item.is-expanded .edu-content-sidebar-menu__arrow {
	transform: rotate(90deg);
}

/* Children menu (Accordion content) */
.edu-content-sidebar-menu__children {
	display: none;
	background-color: transparent;
	box-sizing: border-box;
}

.edu-content-sidebar-menu__item.is-expanded .edu-content-sidebar-menu__children {
	display: block;
}

.edu-content-sidebar-menu__child-item {
	list-style: none !important;
	margin: 0 !important;
	padding: 0 !important;
}

.edu-content-sidebar-menu__child-link {
	display: block;
	padding: 10px 18px 10px 36px;
	color: var(--theme-palette-color-4);
	font-size: 16px;
	text-decoration: none !important;
	transition: var(--edu-transition);
	box-sizing: border-box;
}

.edu-content-sidebar-menu__child-link:hover {
	color: var(--theme-palette-color-2);
}

/* Child item active (red theme) */
.edu-content-sidebar-menu__child-link.is-active {
	color: var(--theme-palette-color-3);
	border-left: 3px solid var(--theme-palette-color-3);
	padding-left: 32px;
	/* Compensate for the 4px border */
	cursor: default;
}