.material-entry .r4eco-material-list {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
	gap: 20px;
	margin: 24px 0;
}

.material-entry .r4eco-material-item img {
	display: block;
	width: 100%;
	height: auto;
	border-radius: 12px;
}

.material-entry .material-gallery,
.material-entry .material-files {
	margin-top: 32px;
}

.material-entry .material-files ul {
	padding-left: 20px;
}

.material-single-entry {
	display: flex;
	flex-direction: column;
	gap: 32px;
	width: 100%;
	min-width: 0;
	margin-top: 1em;
}

.material-single-row {
	width: 100%;
	max-width: 100%;
	padding: 0;
	border: 0;
	border-radius: 0;
	background: transparent;
	min-width: 0;
	overflow: hidden;
}

.material-single-header .entry-title,
.material-single-row h2 {
	margin-top: 0;
}

.material-single-university {
	margin: 14px 0 0;
	font-size: 0.98rem;
	color: #4d4d4d;
}

.material-single-abstract-text p:last-child,
.material-single-description p:last-child {
	margin-bottom: 0;
}

.material-single-gallery h2,
.material-single-content h2,
.material-single-files h2,
.material-single-abstract h2 {
	margin-bottom: 20px;
}

.material-single-gallery-grid {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
	gap: 16px;
}

.material-image-slider {
	width: 100%;
	max-width: 100%;
	min-width: 0;
	aspect-ratio: 16 / 9;
	position: relative;
	overflow: hidden;
}

.material-image-slider .swiper-wrapper,
.material-image-slider .swiper-slide,
.material-single-gallery-item {
	min-width: 0;
	height: 100%;
}

.material-image-slider .swiper-slide {
	width: 100%;
	max-width: 100%;
}

.material-single-gallery-item,
.material-single-gallery-item-static {
	aspect-ratio: 16 / 9;
	line-height: 0;
	overflow: hidden;
}

.material-single-gallery-item img {
	display: block;
	width: 100%;
	height: 100%;
	object-fit: cover;
}

.material-single-gallery-item-static img,
.material-image-slider .material-single-gallery-item img {
	width: 100%;
	height: 100%;
	object-fit: cover;
}

.material-slider-prev,
.material-slider-next {
	position: absolute;
	top: 50%;
	z-index: 2;
	width: 36px;
	height: 36px;
	margin-top: -18px;
	border: 1px solid rgba(0, 0, 0, 0.12);
	border-radius: 999px;
	background: rgba(255, 255, 255, 0.88);
	box-shadow: 0 4px 14px rgba(0, 0, 0, 0.08);
	cursor: pointer;
	transition: background 0.2s ease, box-shadow 0.2s ease;
}

.material-slider-prev::before,
.material-slider-next::before {
	content: '';
	position: absolute;
	top: 50%;
	left: 50%;
	width: 9px;
	height: 9px;
	border-top: 2px solid #4d4d4d;
	border-right: 2px solid #4d4d4d;
	transform-origin: center;
}

.material-slider-prev {
	left: 12px;
}

.material-slider-prev::before {
	transform: translate(-35%, -50%) rotate(-135deg);
}

.material-slider-next {
	right: 12px;
}

.material-slider-next::before {
	transform: translate(-65%, -50%) rotate(45deg);
}

.material-slider-prev:hover,
.material-slider-next:hover {
	background: rgba(255, 255, 255, 1);
	box-shadow: 0 6px 18px rgba(0, 0, 0, 0.12);
}

.material-slider-pagination {
	position: absolute;
	left: 0;
	right: 0;
	bottom: 14px !important;
	z-index: 2;
	text-align: center;
}

.material-slider-pagination .swiper-pagination-bullet {
	width: 8px;
	height: 8px;
	background: rgba(255, 255, 255, 0.7);
	opacity: 1;
}

.material-slider-pagination .swiper-pagination-bullet-active {
	background: #ffffff;
}

.material-file-list {
	list-style: none;
	padding: 0;
	margin: 16px 0 0;
	display: grid;
	gap: 12px;
}

.material-single-files {
	background: #f3f3f3;
	padding: 1em;
	margin-bottom: 1.5em;
}

.material-file-link-inner {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 1em;
	width: 100%;
}

.material-file-main,
.material-file-action {
	display: flex;
	align-items: center;
	gap: 0.75em;
	min-width: 0;
}

.material-file-link-inner i {
	width: 1.25em;
	font-size: 1.1em;
	text-align: center;
	flex: 0 0 auto;
}

.material-file-name {
	word-break: break-word;
}

.material-file-item a {
	display: block;
	padding: 14px 18px;
	background: #ffffff;
	color: inherit;
	text-decoration: none;
	transition: background-color 0.2s ease, transform 0.2s ease;
}

.material-file-item-general-info a {
	background: #dff2ff;
}

.material-file-item a:hover,
.material-files-zip-download a:hover {
	background: #ececec;
}

.material-file-item-general-info a:hover {
	background: #cfe9fb;
}

.material-file-item a:hover .material-file-action,
.material-files-zip-download a:hover .material-file-action {
	transform: translateX(2px);
}

.material-file-action {
	font-size: 0.92rem;
	white-space: nowrap;
	color: #4d4d4d;
	transition: transform 0.2s ease;
}

.material-file-action-label {
	text-transform: uppercase;
	letter-spacing: 0.04em;
	font-size: 0.78rem;
}

.material-files-zip-download {
	margin: 1em 0 0;
}

.material-files-zip-download a {
	display: block;
	padding: 14px 18px;
	background: #dddddd;
	color: inherit;
	text-decoration: none;
}

.material-list-shortcode {
	display: flex;
	flex-direction: column;
	gap: 0;
}

.material-list-card {
	display: grid;
	grid-template-columns: 240px minmax(0, 1fr) auto;
	align-items: center;
	gap: 1.5em;
	background: #fff;
	padding: 1.25em 0;
	border-bottom: 1px solid #d9d9d9;
}

.material-list-card:last-child {
	border-bottom: 0;
}

.material-list-card-link {
	display: grid;
	grid-column: 1 / 3;
	grid-template-columns: 240px minmax(0, 1fr);
	align-items: center;
	gap: 1.5em;
	color: inherit;
	text-decoration: none;
}

.material-list-card-image img {
	display: block;
	width: 100%;
	height: 135px;
	object-fit: cover;
}

.material-list-card-body {
	min-width: 0;
}

.material-list-card-title {
	margin-top: 0;
	margin-bottom: 12px;
}

.material-list-card-text p:last-child {
	margin-bottom: 0;
}

.material-list-card-meta {
	margin-top: 0.8em;
	font-size: 0.95rem;
	opacity: 0.75;
}

.material-list-card-arrow {
	display: flex;
	align-items: center;
	justify-content: center;
	width: 2.5em;
	font-size: 1.2rem;
	color: #1f1f1f;
}

.material-list-card:hover .material-list-card-arrow {
	transform: translateX(3px);
}

.material-list-card-arrow,
.material-list-card-link {
	transition: transform 0.2s ease;
}

@media (max-width: 782px) {
	.material-single-row {
		padding: 0;
	}

	.material-list-card {
		grid-template-columns: 1fr;
		gap: 1em;
	}

	.material-list-card-link {
		grid-column: 1 / -1;
		grid-template-columns: 1fr;
		gap: 1em;
	}

	.material-list-card-image img {
		height: auto;
		aspect-ratio: 16 / 9;
	}

	.material-list-card-arrow {
		justify-content: flex-start;
		width: auto;
	}
}