/* ============================================================
   edu-sharing Katalog — Styles
   ============================================================ */

:root {
	--edu-primary:      #1e6fb5;
	--edu-primary-dark: #155a96;
	--edu-bg:           #f4f6f9;
	--edu-card-bg:      #ffffff;
	--edu-border:       #e2e6ea;
	--edu-text:         #1a1a2e;
	--edu-muted:        #6c757d;
	--edu-radius:       10px;
	--edu-shadow:       0 2px 8px rgba(0,0,0,.08);
	--edu-shadow-hover: 0 6px 20px rgba(0,0,0,.13);

	--edu-lang-de:   #cc0000;
	--edu-lang-fr:   #003189;
	--edu-lang-en:   #00703c;
}

/* ---- Toolbar ---- */

.edu-catalog__toolbar {
	margin-bottom: 2rem;
}

.edu-toolbar-top {
	margin-bottom: .75rem;
}

.edu-search {
	width: 100%;
	padding: .65rem 1rem;
	font-size: 1rem;
	border: 2px solid var(--edu-border);
	border-radius: var(--edu-radius);
	outline: none;
	transition: border-color .2s;
	box-sizing: border-box;
}

.edu-search:focus {
	border-color: var(--edu-primary);
}

/* ---- Filter-Leiste (Slim Select) ---- */

.edu-filters {
	display: flex;
	flex-wrap: nowrap;
	gap: .5rem;
	align-items: flex-start;
}

.edu-filters .ss-main {
	flex: 1 1 0;
	min-width: 0;
	font-size: .875rem;
}

@media (max-width: 640px) {
	.edu-filters {
		flex-wrap: wrap;
	}
	.edu-filters .ss-main {
		flex: 1 1 120px;
	}
}

/* Slim Select Theme — Farben an Plugin-Palette anpassen */

.ss-main {
	border-color: var(--edu-border);
	border-radius: var(--edu-radius);
	color: var(--edu-text);
}

.ss-main:focus,
.ss-main.ss-open-above,
.ss-main.ss-open-below {
	border-color: var(--edu-primary);
	box-shadow: 0 0 0 3px rgba(30,111,181,.15);
}

.ss-content {
	border-color: var(--edu-primary);
	border-radius: var(--edu-radius);
}

.ss-search input {
	border-color: var(--edu-border);
	border-radius: 6px;
}

.ss-search input:focus {
	border-color: var(--edu-primary);
	outline: none;
}

.ss-option.ss-highlighted,
.ss-option:hover {
	background: #e8f0fb;
	color: var(--edu-primary);
}

.ss-option.ss-selected {
	background: var(--edu-primary);
	color: #fff;
}

.ss-option.ss-disabled {
	color: #bcc2ca;
}

/* ---- Trefferanzahl ---- */

.edu-count {
	margin: 1rem 0 0;
	font-size: .88rem;
	color: var(--edu-muted);
}

.edu-count__visible {
	font-weight: 700;
	color: var(--edu-text);
}

/* ---- Grid ---- */

.edu-catalog__grid {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 1.5rem;
}

@media (max-width: 900px) {
	.edu-catalog__grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 560px) {
	.edu-catalog__grid { grid-template-columns: 1fr; }
}

/* ---- Leer-Zustand ---- */

.edu-catalog__empty {
	text-align: center;
	padding: 3rem 1rem;
	color: var(--edu-muted);
	font-size: 1.05rem;
}

/* ---- Karte ---- */

.edu-card {
	background: var(--edu-card-bg);
	border-radius: var(--edu-radius);
	box-shadow: var(--edu-shadow);
	display: flex;
	flex-direction: column;
	overflow: hidden;
	transition: box-shadow .2s, transform .2s;
}

.edu-card:hover {
	box-shadow: var(--edu-shadow-hover);
	transform: translateY(-3px);
}

/* Thumbnail */

.edu-card__thumb-link {
	display: block;
	text-decoration: none;
}

.edu-card__thumb {
	aspect-ratio: 16 / 9;
	background: var(--edu-bg);
	overflow: hidden;
	display: flex;
	align-items: center;
	justify-content: center;
}

.edu-card__thumb img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	display: block;
}

.edu-card__thumb--icon {
	object-fit: contain !important;
	width: 48px !important;
	height: 48px !important;
}

.edu-card__thumb--placeholder {
	width: 100%;
	height: 100%;
	background: linear-gradient(135deg, #e9ecef 0%, #dee2e6 100%);
}

/* Body */

.edu-card__body {
	padding: 1rem 1rem .5rem;
	flex: 1;
	display: flex;
	flex-direction: column;
	gap: .5rem;
}

.edu-card__badges {
	display: flex;
	flex-wrap: wrap;
	gap: .35rem;
}

.edu-badge {
	font-size: .72rem;
	font-weight: 700;
	padding: .15rem .5rem;
	border-radius: 4px;
	letter-spacing: .03em;
	text-transform: uppercase;
}

.edu-badge--lang {
	color: #fff;
}

.edu-badge--lang-de { background: var(--edu-lang-de); }
.edu-badge--lang-fr { background: var(--edu-lang-fr); }
.edu-badge--lang-en { background: var(--edu-lang-en); }

.edu-badge--type {
	background: #e9ecef;
	color: var(--edu-text);
	font-weight: 600;
	text-transform: none;
}

/* Klickbar sind Links (Detailseite) und Badges mit Filterwert (Katalogkarten). */
a.edu-badge--type,
.edu-badge--type[data-value] {
	cursor: pointer;
	text-decoration: none;
	transition: background .15s, color .15s;
}

a.edu-badge--type:hover,
.edu-badge--type[data-value]:hover {
	background: var(--edu-primary);
	color: #fff;
}

.edu-card__title {
	margin: 0;
	font-size: .98rem;
	line-height: 1.35;
}

.edu-card__title a {
	color: var(--edu-text);
	text-decoration: none;
}

.edu-card__title a:hover {
	color: var(--edu-primary);
	text-decoration: underline;
}

.edu-card__desc {
	font-size: .85rem;
	color: var(--edu-muted);
	margin: 0;
	line-height: 1.5;
}

.edu-card__subjects {
	display: flex;
	flex-wrap: wrap;
	gap: .3rem;
	margin-top: auto;
}

.edu-tag {
	font-size: .72rem;
	background: #eef2ff;
	color: var(--edu-primary);
	padding: .15rem .45rem;
	border-radius: 4px;
}

a.edu-tag,
.edu-tag[data-value] {
	cursor: pointer;
	text-decoration: none;
	transition: background .15s, color .15s;
}

a.edu-tag:hover,
.edu-tag[data-value]:hover {
	background: var(--edu-primary);
	color: #fff;
}

/* Footer */

.edu-card__footer {
	display: flex;
	align-items: center;
	justify-content: space-between;
	padding: .6rem 1rem .8rem;
	border-top: 1px solid var(--edu-border);
	gap: .5rem;
}

.edu-card__footer-left {
	display: flex;
	align-items: center;
}

.edu-card__license img {
	height: 20px;
	width: auto;
	display: block;
}

.edu-card__license-text {
	font-size: .75rem;
	color: var(--edu-muted);
}

.edu-card__btn {
	display: inline-flex;
	align-items: center;
	gap: .3rem;
	padding: .38rem .9rem;
	background: var(--edu-primary);
	color: #fff;
	text-decoration: none;
	border-radius: 6px;
	font-size: .83rem;
	font-weight: 600;
	transition: background .15s;
	white-space: nowrap;
}

.edu-card__btn:hover {
	background: var(--edu-primary-dark);
	color: #fff;
	text-decoration: none;
}

/* ---- Paginierung ---- */

.edu-pagination {
	display: flex;
	align-items: center;
	justify-content: center;
	flex-wrap: wrap;
	gap: .4rem;
	margin-top: 2rem;
}

.edu-page-btn {
	min-width: 2.2rem;
	height: 2.2rem;
	padding: 0 .6rem;
	border: 1.5px solid var(--edu-border);
	border-radius: 6px;
	background: #fff;
	color: var(--edu-text);
	font-size: .88rem;
	cursor: pointer;
	transition: background .15s, border-color .15s, color .15s;
	line-height: 1;
}

.edu-page-btn:hover {
	border-color: var(--edu-primary);
	color: var(--edu-primary);
}

.edu-page-btn.is-active {
	background: var(--edu-primary);
	border-color: var(--edu-primary);
	color: #fff;
	font-weight: 700;
	cursor: default;
}

.edu-page-ellipsis {
	color: var(--edu-muted);
	padding: 0 .2rem;
	line-height: 2.2rem;
}

/* ============================================================
   Detailseite (single-edusharing_item)
   ============================================================ */

.edu-single {
	padding: 2rem 1rem;
}

.edu-single__inner {
	max-width: 960px;
	margin: 0 auto;
}

.edu-single__topnav {
	display: flex;
	align-items: center;
	justify-content: space-between;
	flex-wrap: wrap;
	gap: .75rem;
	margin-bottom: 1.5rem;
}

.edu-single__back-link {
	color: var(--edu-primary);
	text-decoration: none;
	font-size: .9rem;
}

.edu-single__back-link:hover {
	text-decoration: underline;
}

.edu-single__prevnext {
	display: flex;
	align-items: center;
	gap: .5rem;
}

.edu-prevnext-btn {
	display: inline-flex;
	align-items: center;
	padding: .3rem .75rem;
	border: 1.5px solid var(--edu-border);
	border-radius: 6px;
	color: var(--edu-text);
	text-decoration: none;
	font-size: .82rem;
	max-width: 180px;
	overflow: hidden;
	white-space: nowrap;
	text-overflow: ellipsis;
	transition: border-color .15s, color .15s;
}

.edu-prevnext-btn:hover {
	border-color: var(--edu-primary);
	color: var(--edu-primary);
}

.edu-prevnext-count {
	font-size: .8rem;
	color: var(--edu-muted);
	white-space: nowrap;
	padding: 0 .25rem;
}

.edu-single__header {
	display: grid;
	grid-template-columns: 340px 1fr;
	gap: 2.5rem;
	align-items: start;
	margin-bottom: 2.5rem;
}

@media (max-width: 700px) {
	.edu-single__header {
		grid-template-columns: 1fr;
	}
}

.edu-single__thumb {
	border-radius: var(--edu-radius);
	overflow: hidden;
	background: var(--edu-bg);
	aspect-ratio: 16 / 9;
	display: flex;
	align-items: center;
	justify-content: center;
}

.edu-single__thumb img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	display: block;
}

.edu-single__thumb--icon {
	object-fit: contain !important;
	width: 72px !important;
	height: 72px !important;
}

.edu-single__thumb--placeholder {
	width: 100%;
	height: 100%;
	background: linear-gradient(135deg, #e9ecef 0%, #dee2e6 100%);
}

.edu-single__title {
	font-size: 1.5rem;
	line-height: 1.3;
	margin: 0 0 .5rem;
	color: var(--edu-text);
}

.edu-single__author {
	font-weight: 600;
	margin: 0 0 .15rem;
	font-size: .95rem;
}

.edu-single__institution {
	color: var(--edu-muted);
	font-size: .88rem;
	margin: 0 0 1.25rem;
}

.edu-single__details {
	display: grid;
	grid-template-columns: auto 1fr;
	gap: .5rem 1rem;
	margin: 0 0 1.5rem;
	font-size: .9rem;
}

.edu-single__details dt {
	font-weight: 600;
	color: var(--edu-muted);
	white-space: nowrap;
	padding-top: 2px;
}

.edu-single__details dd {
	margin: 0;
	display: flex;
	flex-wrap: wrap;
	gap: .3rem;
	align-items: center;
}

.edu-tag--keyword {
	background: #f0f4f8;
	color: var(--edu-muted);
}

.edu-single__actions {
	display: flex;
	flex-wrap: wrap;
	gap: .75rem;
	margin-top: 1rem;
}

.edu-card__btn--large {
	padding: .6rem 1.4rem;
	font-size: .95rem;
}

.edu-card__btn--secondary {
	background: transparent;
	border: 2px solid var(--edu-primary);
	color: var(--edu-primary);
	padding: .5rem 1.2rem;
	font-size: .95rem;
}

.edu-card__btn--secondary:hover {
	background: var(--edu-primary);
	color: #fff;
}

.edu-single__description {
	border-top: 1px solid var(--edu-border);
	padding-top: 1.75rem;
}

.edu-single__description h2 {
	font-size: 1.15rem;
	margin-bottom: 1rem;
}

.edu-single__description-text {
	font-size: .95rem;
	line-height: 1.7;
	color: #333;
	max-width: 72ch;
}

/* Vorschau (Live-Iframe) */

.edu-single__preview {
	border-top: 1px solid var(--edu-border);
	padding-top: 1.75rem;
	margin-bottom: 2rem;
}

.edu-single__preview h2 {
	font-size: 1.15rem;
	margin-bottom: 1rem;
}

.edu-single__preview-wrap {
	position: relative;
	width: 100%;
	border-radius: var(--edu-radius);
	overflow: hidden;
	background: #000;
	border: 1px solid var(--edu-border);
}

.edu-single__preview-wrap iframe {
	display: block;
	width: 100%;
	height: 500px;
	border: 0;
}

/* Embed-Code */

.edu-single__embed {
	border-top: 1px solid var(--edu-border);
	padding-top: 1.75rem;
}

.edu-single__embed h2 {
	font-size: 1.15rem;
	margin-bottom: 1rem;
}

.edu-embed-controls {
	display: flex;
	flex-wrap: wrap;
	gap: 1rem;
	margin-bottom: .75rem;
}

.edu-embed-size-label {
	display: flex;
	align-items: center;
	gap: .4rem;
	font-size: .88rem;
	color: var(--edu-muted);
}

.edu-embed-size-input {
	width: 5rem;
	padding: .25rem .4rem;
	border: 1.5px solid var(--edu-border);
	border-radius: 5px;
	font-size: .88rem;
	text-align: right;
}

.edu-embed-box {
	display: flex;
	gap: .75rem;
	align-items: flex-start;
}

.edu-embed-code {
	flex: 1;
	font-family: ui-monospace, 'Cascadia Code', Menlo, monospace;
	font-size: .8rem;
	padding: .6rem .75rem;
	border: 1.5px solid var(--edu-border);
	border-radius: 6px;
	background: #f8f9fa;
	color: #333;
	resize: vertical;
	min-height: 4.5rem;
	line-height: 1.55;
}

.edu-embed-code:focus {
	outline: none;
	border-color: var(--edu-primary);
}

.edu-copy-btn {
	flex-shrink: 0;
	padding: .5rem 1.1rem;
	background: var(--edu-primary);
	color: #fff;
	border: none;
	border-radius: 6px;
	font-size: .88rem;
	font-weight: 600;
	cursor: pointer;
	transition: background .15s;
	white-space: nowrap;
}

.edu-copy-btn:hover {
	background: var(--edu-primary-dark);
}

.edu-copy-btn.is-copied {
	background: #198754;
}