/*
 * NE Lernblätter – Frontend (Version 1.1)
 * Freundlich, rund, mit Herz: Fachfarben als zarte Flächen, Blätter wie lose
 * hingelegtes Papier, Pixel der Lernroboter als Begleiter. Schriften vom Theme.
 */

.ne-lb-bibliothek,
.ne-lb-material {
	--ne-lb-marke: #2B2F6E;
	--ne-lb-herz: #E8455D;
	--ne-lb-farbe: var(--ne-lb-marke);
	--ne-lb-text: #23253f;
	--ne-lb-text-2: #555a78;
	--ne-lb-linie: #dfe1ee;
	--ne-lb-flaeche: #f5f6fb;
	--ne-lb-rund: 1.5rem;
	--ne-lb-rund-klein: 0.9rem;
	--ne-lb-tint: #f3f4fa;
	--ne-lb-tint: color-mix(in srgb, var(--ne-lb-farbe) 11%, #fff);
	--ne-lb-tint-stark: color-mix(in srgb, var(--ne-lb-farbe) 22%, #fff);
	--ne-lb-schatten: 0 0.6rem 1.6rem -0.6rem rgba(43, 47, 110, 0.28);
	color: var(--ne-lb-text);
	box-sizing: border-box;
}

.ne-lb-bibliothek *,
.ne-lb-bibliothek *::before,
.ne-lb-bibliothek *::after,
.ne-lb-material *,
.ne-lb-material *::before,
.ne-lb-material *::after {
	box-sizing: border-box;
}

.ne-lb-fach--deutsch { --ne-lb-farbe: var(--ne-lb-deutsch, #C7362C); }
.ne-lb-fach--mathematik { --ne-lb-farbe: var(--ne-lb-mathematik, #2F6FD6); }
.ne-lb-fach--sachunterricht { --ne-lb-farbe: var(--ne-lb-sachunterricht, #2F9A5A); }
.ne-lb-fach--englisch { --ne-lb-farbe: var(--ne-lb-englisch, #7B4FD1); }

/* Zarte Fachflächen: müssen dort berechnet werden, wo die Fachfarbe gesetzt ist. */
.ne-lb-fach--deutsch,
.ne-lb-fach--mathematik,
.ne-lb-fach--sachunterricht,
.ne-lb-fach--englisch {
	--ne-lb-tint: #f3f4fa;
	--ne-lb-tint: color-mix(in srgb, var(--ne-lb-farbe) 11%, #fff);
	--ne-lb-tint-stark: color-mix(in srgb, var(--ne-lb-farbe) 20%, #fff);
}

.ne-lb-bibliothek :focus-visible,
.ne-lb-material :focus-visible {
	outline: 3px solid var(--ne-lb-marke);
	outline-offset: 3px;
	border-radius: 0.6rem;
}

.ne-lb-icon {
	flex: none;
	vertical-align: -0.15em;
}

/* ---------- Knöpfe: Pillen ---------- */
.ne-lb-knopf {
	display: inline-flex;
	align-items: center;
	gap: 0.45rem;
	padding: 0.75rem 1.3rem;
	border: 2px solid var(--ne-lb-marke);
	border-radius: 999px;
	background: var(--ne-lb-marke);
	color: #fff;
	font: inherit;
	font-weight: 700;
	line-height: 1.2;
	text-decoration: none;
	cursor: pointer;
	transition: transform 0.15s ease, background-color 0.15s ease, color 0.15s ease;
}

.ne-lb-knopf:hover {
	transform: translateY(-2px);
	color: #fff;
}

.ne-lb-knopf--zweit {
	background: #fff;
	color: var(--ne-lb-marke);
}

.ne-lb-knopf--zweit:hover {
	background: var(--ne-lb-marke);
	color: #fff;
}

.ne-lb-knopf--leise {
	border-color: transparent;
	background: var(--ne-lb-flaeche);
	color: var(--ne-lb-marke);
}

.ne-lb-knopf--leise:hover {
	background: var(--ne-lb-linie);
	color: var(--ne-lb-marke);
}

.ne-lb-knopf--klein {
	padding: 0.45rem 0.95rem;
	font-size: 0.9rem;
}

/* ---------- Chips ---------- */
.ne-lb-chips {
	list-style: none;
	display: flex;
	flex-wrap: wrap;
	gap: 0.45rem;
	margin: 0 0 1rem;
	padding: 0;
}

.ne-lb-chip {
	display: inline-flex;
	align-items: center;
	gap: 0.35rem;
	margin: 0;
	padding: 0.3rem 0.8rem;
	border-radius: 999px;
	background: #fff;
	color: var(--ne-lb-text);
	font-size: 0.875rem;
	font-weight: 600;
	line-height: 1.3;
}

.ne-lb-karte .ne-lb-chip {
	border-radius: 0.8rem;
}

.ne-lb-chip--fach {
	background: var(--ne-lb-tint-stark);
}

.ne-lb-sterne {
	color: #f2a516;
	letter-spacing: 0.06em;
}

.ne-lb-sterne-leer {
	color: #d8dae6;
}

/* ---------- Begrüßung ---------- */
.ne-lb-intro {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 1.5rem;
	margin: 0 0 1.5rem;
	padding: clamp(1.25rem, 4vw, 2.25rem);
	border-radius: 2rem;
	background: #fdf0f2;
	background: color-mix(in srgb, var(--ne-lb-herz) 10%, #fff);
}

.ne-lb-intro h2 {
	margin: 0 0 0.5rem;
	color: var(--ne-lb-marke);
	font-size: clamp(1.6rem, 4vw, 2.3rem);
	font-weight: 800;
	line-height: 1.15;
}

.ne-lb-intro p {
	max-width: 36rem;
	margin: 0 0 1rem;
	font-size: 1.1rem;
	line-height: 1.5;
}

.ne-lb-versprechen {
	list-style: none;
	display: flex;
	flex-wrap: wrap;
	gap: 0.5rem;
	margin: 0;
	padding: 0;
}

.ne-lb-versprechen li {
	display: inline-flex;
	align-items: center;
	gap: 0.35rem;
	padding: 0.35rem 0.85rem 0.35rem 0.6rem;
	border-radius: 999px;
	background: #fff;
	font-weight: 700;
	font-size: 0.95rem;
}

.ne-lb-versprechen .ne-lb-icon {
	color: var(--ne-lb-herz);
}

.ne-lb-pixel {
	display: block;
	flex: none;
}

.ne-lb-intro-pixel {
	width: clamp(5.5rem, 14vw, 8.5rem);
	height: auto;
	transform: rotate(6deg);
}

@media (max-width: 540px) {
	.ne-lb-intro {
		flex-direction: column-reverse;
		align-items: flex-start;
	}
	.ne-lb-intro-pixel {
		width: 5rem;
	}
}

/* ---------- Fachkacheln ---------- */
.ne-lb-faecher ul {
	list-style: none;
	margin: 0 0 1.5rem;
	padding: 0;
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(9rem, 1fr));
	gap: 1rem;
}

.ne-lb-fach {
	position: relative;
	display: flex;
	flex-direction: column;
	align-items: flex-start;
	gap: 0.15rem;
	height: 100%;
	padding: 1.15rem 1.15rem 1.25rem;
	border: 3px solid transparent;
	border-radius: var(--ne-lb-rund);
	background: var(--ne-lb-tint);
	color: var(--ne-lb-text);
	text-decoration: none;
	transition: transform 0.15s ease, border-color 0.15s ease;
}

.ne-lb-fach:hover {
	transform: translateY(-3px);
	color: var(--ne-lb-text);
}

.ne-lb-fach.ist-aktiv {
	border-color: var(--ne-lb-farbe);
	background: #fff;
}

.ne-lb-symbol {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	width: 3.1rem;
	height: 3.1rem;
	margin-bottom: 0.6rem;
	border-radius: 1rem;
	background: var(--ne-lb-farbe);
	color: #fff;
	font-size: 1.05rem;
	font-weight: 800;
	letter-spacing: -0.01em;
	line-height: 1;
	transform: rotate(-4deg);
}

.ne-lb-symbol--klein {
	width: 1.6rem;
	height: 1.6rem;
	margin: 0 0.1rem 0 -0.4rem;
	border-radius: 999px;
	font-size: 0.6rem;
	transform: none;
}

.ne-lb-fach-name {
	hyphens: auto;
	font-size: 1.3rem;
	font-weight: 800;
	line-height: 1.2;
}

.ne-lb-fach-info {
	font-size: 0.9rem;
	color: var(--ne-lb-text-2);
}

.ne-lb-fach-zahl {
	margin-top: 0.6rem;
	padding: 0.2rem 0.7rem;
	border-radius: 999px;
	background: #fff;
	font-size: 0.85rem;
	font-weight: 700;
}

.ne-lb-fach.ist-aktiv .ne-lb-fach-zahl {
	background: var(--ne-lb-tint);
}

/* ---------- Klassen: runde Knöpfe ---------- */
.ne-lb-klassen {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	gap: 0.6rem 1rem;
	margin: 0 0 1.25rem;
}

.ne-lb-klassen-titel {
	font-weight: 800;
	font-size: 1.1rem;
	color: var(--ne-lb-marke);
}

.ne-lb-klassen ul {
	list-style: none;
	margin: 0;
	padding: 0;
	display: flex;
	flex-wrap: wrap;
	gap: 0.5rem;
}

.ne-lb-klasse {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	min-width: 3rem;
	height: 3rem;
	padding: 0 0.9rem;
	border-radius: 999px;
	background: var(--ne-lb-flaeche);
	color: var(--ne-lb-marke);
	font-size: 1.2rem;
	font-weight: 800;
	text-decoration: none;
	transition: transform 0.15s ease, background-color 0.15s ease;
}

.ne-lb-klasse:hover {
	transform: scale(1.06);
	color: var(--ne-lb-marke);
}

.ne-lb-klasse--alle {
	font-size: 1rem;
}

.ne-lb-klasse.ist-aktiv {
	background: var(--ne-lb-marke);
	color: #fff;
}

/* ---------- Filter ---------- */
.ne-lb-filter {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(10rem, 1fr));
	gap: 0.85rem 1rem;
	align-items: end;
	margin: 0 0 1.75rem;
	padding: 1.25rem;
	border-radius: var(--ne-lb-rund);
	background: var(--ne-lb-flaeche);
}

.ne-lb-feld label {
	display: block;
	margin: 0 0 0.3rem 0.4rem;
	font-size: 0.85rem;
	font-weight: 700;
	color: var(--ne-lb-text-2);
}

.ne-lb-feld select,
.ne-lb-feld input {
	width: 100%;
	min-height: 2.75rem;
	padding: 0.5rem 0.9rem;
	border: 2px solid var(--ne-lb-linie);
	border-radius: 999px;
	background-color: #fff;
	color: var(--ne-lb-text);
	font: inherit;
}

.ne-lb-feld select:focus,
.ne-lb-feld input:focus {
	border-color: var(--ne-lb-marke);
}

.ne-lb-feld--suche {
	grid-column: 1 / -1;
}

.ne-lb-feld--suche input {
	min-height: 3.1rem;
	padding-left: 1.2rem;
	font-size: 1.05rem;
}

.ne-lb-feld--knoepfe {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	gap: 0.75rem;
}

.ne-lb-zuruecksetzen {
	font-size: 0.9rem;
	font-weight: 600;
	color: var(--ne-lb-marke);
}

/* Mit JavaScript aktualisiert sich die Liste sofort; der Knopf bleibt ohne JavaScript sichtbar. */
.ne-lb-js .ne-lb-filter button.ne-lb-knopf {
	display: none;
}

/* ---------- Ergebnisse ---------- */
.ne-lb-anzahl {
	margin: 0 0 1rem;
	font-weight: 700;
	color: var(--ne-lb-text-2);
}

.ne-lb-anzahl-zahl {
	display: inline-block;
	min-width: 2rem;
	padding: 0.1rem 0.6rem;
	border-radius: 999px;
	background: var(--ne-lb-marke);
	color: #fff;
	text-align: center;
}

.ne-lb-ergebnis[aria-busy="true"] {
	opacity: 0.5;
	transition: opacity 0.2s ease;
}

.ne-lb-karten {
	list-style: none;
	margin: 0 0 2rem;
	padding: 0;
	display: grid;
	grid-template-columns: repeat(auto-fill, minmax(14rem, 1fr));
	gap: 1.25rem;
}

.ne-lb-karte {
	display: flex;
	flex-direction: column;
	margin: 0;
	border-radius: var(--ne-lb-rund);
	background: var(--ne-lb-tint);
	overflow: hidden;
}

.ne-lb-karte-blatt {
	display: block;
	padding: 1.25rem 1.5rem 0;
}

/* Das Blatt liegt locker auf der Fläche und richtet sich beim Zeigen gerade aus. */
.ne-lb-papier {
	display: block;
	overflow: hidden;
	aspect-ratio: 210 / 297;
	border-radius: 0.6rem;
	background: #fff;
	box-shadow: var(--ne-lb-schatten);
	transform: rotate(-2deg);
	transition: transform 0.2s ease;
}

.ne-lb-karte:nth-child(even) .ne-lb-papier {
	transform: rotate(1.5deg);
}

.ne-lb-karte:hover .ne-lb-papier,
.ne-lb-karte:focus-within .ne-lb-papier {
	transform: rotate(0) translateY(-4px);
}

.ne-lb-papier img {
	display: block;
	width: 100%;
	height: 100%;
	object-fit: cover;
	object-position: top center;
}

.ne-lb-blatt-platzhalter {
	display: block;
	height: 100%;
	background: repeating-linear-gradient(to bottom, #fff 0, #fff 1.3rem, var(--ne-lb-linie) 1.3rem, var(--ne-lb-linie) calc(1.3rem + 2px));
}

.ne-lb-karte-text {
	display: flex;
	flex: 1;
	flex-direction: column;
	align-items: flex-start;
	gap: 0.4rem;
	margin-top: -1.5rem;
	padding: 2.1rem 1.25rem 1.25rem;
	border-radius: var(--ne-lb-rund) var(--ne-lb-rund) 0 0;
	background: #fff;
	position: relative;
	box-shadow: 0 -1px 0 var(--ne-lb-linie);
}

.ne-lb-karte-fach {
	margin: 0;
}

.ne-lb-karte-titel {
	margin: 0;
	font-size: 1.15rem;
	font-weight: 800;
	line-height: 1.3;
}

.ne-lb-karte-titel a {
	color: var(--ne-lb-text);
	text-decoration: none;
}

.ne-lb-karte-titel a:hover {
	text-decoration: underline;
	text-decoration-thickness: 2px;
	text-underline-offset: 0.2em;
}

.ne-lb-karte-meta {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	gap: 0.2rem 0.8rem;
	margin: 0 0 0.5rem;
	font-size: 0.875rem;
	color: var(--ne-lb-text-2);
}

.ne-lb-karte-meta span {
	display: inline-flex;
	align-items: center;
	gap: 0.25rem;
}

.ne-lb-karte .ne-lb-knopf--klein {
	margin-top: auto;
}

.ne-lb-leer {
	display: flex;
	align-items: center;
	gap: 1.25rem;
	padding: 1.5rem;
	border-radius: var(--ne-lb-rund);
	background: var(--ne-lb-flaeche);
}

.ne-lb-leer p {
	margin: 0;
}

.ne-lb-leer a {
	color: var(--ne-lb-marke);
	font-weight: 700;
}

.ne-lb-leer-titel {
	font-weight: 800;
	font-size: 1.15rem;
	color: var(--ne-lb-marke);
}

.ne-lb-leer-pixel {
	width: 4.5rem;
	height: auto;
	transform: rotate(-8deg);
}

.ne-lb-haftung {
	display: flex;
	gap: 0.6rem;
	align-items: flex-start;
	margin-top: 2rem;
	padding: 1rem 1.25rem;
	border-radius: var(--ne-lb-rund-klein);
	background: var(--ne-lb-flaeche);
	font-size: 0.9rem;
	color: var(--ne-lb-text-2);
}

.ne-lb-haftung .ne-lb-icon {
	margin-top: 0.15rem;
	color: var(--ne-lb-herz);
}

.ne-lb-seiten ul {
	list-style: none;
	display: flex;
	flex-wrap: wrap;
	gap: 0.45rem;
	padding: 0;
	margin: 0 0 1.5rem;
}

.ne-lb-seiten a,
.ne-lb-seiten span {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	min-width: 2.6rem;
	height: 2.6rem;
	padding: 0 0.8rem;
	border-radius: 999px;
	background: var(--ne-lb-flaeche);
	color: var(--ne-lb-marke);
	font-weight: 700;
	text-decoration: none;
}

.ne-lb-seiten [aria-current] {
	background: var(--ne-lb-marke);
	color: #fff;
}

/* ---------- Materialseite ---------- */
.ne-lb-material-kopf {
	display: grid;
	grid-template-columns: minmax(0, 2fr) minmax(0, 3fr);
	gap: clamp(1.5rem, 4vw, 3rem);
	align-items: start;
	margin-bottom: 2rem;
	padding: clamp(1.25rem, 4vw, 2.5rem);
	border-radius: 2rem;
	background: var(--ne-lb-tint);
}

@media (max-width: 720px) {
	.ne-lb-material-kopf {
		grid-template-columns: 1fr;
	}
}

.ne-lb-material-vorschau {
	margin: 0;
	padding: 0.5rem;
}

.ne-lb-papier--gross {
	aspect-ratio: auto;
	transform: rotate(-2deg);
}

.ne-lb-papier--gross:hover {
	transform: rotate(0);
}

.ne-lb-papier--gross img {
	height: auto;
}

.ne-lb-material-untertitel {
	margin: 0 0 1rem;
	font-size: 1.15rem;
	color: var(--ne-lb-text-2);
}

.ne-lb-lernziel {
	display: flex;
	align-items: flex-end;
	gap: 0.75rem;
	margin: 0 0 1.5rem;
}

.ne-lb-lernziel-pixel {
	width: 4.5rem;
	height: auto;
}

.ne-lb-sprechblase {
	position: relative;
	margin: 0 0 0.6rem;
	padding: 0.9rem 1.15rem;
	border-radius: 1.25rem 1.25rem 1.25rem 0.3rem;
	background: #fff;
	font-size: 1.1rem;
	font-weight: 600;
	line-height: 1.45;
}

.ne-lb-lernziel-titel {
	display: block;
	margin-bottom: 0.15rem;
	font-size: 0.8rem;
	font-weight: 800;
	color: var(--ne-lb-text-2);
}

.ne-lb-knoepfe {
	display: flex;
	flex-wrap: wrap;
	gap: 0.6rem;
	margin: 0 0 1.25rem;
}

.ne-lb-lernbereich {
	margin: 0;
	font-size: 0.95rem;
	color: var(--ne-lb-text-2);
}

.ne-lb-eltern {
	margin: 2rem 0;
	padding: 1.25rem 1.5rem;
	border-radius: var(--ne-lb-rund);
	background: #fdf0f2;
	background: color-mix(in srgb, var(--ne-lb-herz) 9%, #fff);
}

.ne-lb-eltern h2 {
	display: flex;
	align-items: center;
	gap: 0.45rem;
	margin: 0 0 0.5rem;
	color: var(--ne-lb-marke);
	font-size: 1.25rem;
	font-weight: 800;
}

.ne-lb-eltern h2 .ne-lb-icon {
	color: var(--ne-lb-herz);
}

.ne-lb-eltern p {
	margin: 0;
	line-height: 1.55;
}

.ne-lb-verwandt {
	margin: 2.5rem 0;
}

.ne-lb-verwandt h2 {
	margin: 0 0 1rem;
	color: var(--ne-lb-marke);
	font-size: 1.4rem;
	font-weight: 800;
}

.ne-lb-karten--klein {
	grid-template-columns: repeat(auto-fill, minmax(12rem, 1fr));
}

.ne-lb-nachweis {
	margin: 2rem 0 1rem;
	padding: 1.1rem 1.4rem;
	border-radius: var(--ne-lb-rund-klein);
	background: var(--ne-lb-flaeche);
	font-size: 0.875rem;
	color: var(--ne-lb-text-2);
}

.ne-lb-nachweis p {
	margin: 0 0 0.45rem;
}

.ne-lb-nachweis p:last-child {
	margin-bottom: 0;
}

.ne-lb-nachweis a {
	color: var(--ne-lb-marke);
}

/* ---------- Fehler melden ---------- */
.ne-lb-melden {
	margin: 1rem 0;
	padding: 1rem 1.4rem;
	border: 2px solid var(--ne-lb-linie);
	border-radius: var(--ne-lb-rund-klein);
}

.ne-lb-melden[open] {
	background: #fff;
}

.ne-lb-melden summary {
	cursor: pointer;
	font-weight: 700;
	color: var(--ne-lb-marke);
}

.ne-lb-melden form {
	margin-top: 0.75rem;
}

.ne-lb-melden label {
	display: block;
	margin: 0 0 0.3rem;
	font-weight: 700;
	font-size: 0.9rem;
}

.ne-lb-melden textarea,
.ne-lb-melden select,
.ne-lb-melden input[type="text"] {
	width: 100%;
	padding: 0.6rem 0.9rem;
	border: 2px solid var(--ne-lb-linie);
	border-radius: var(--ne-lb-rund-klein);
	background: #fff;
	color: var(--ne-lb-text);
	font: inherit;
}

.ne-lb-melden select {
	border-radius: 999px;
}

.ne-lb-melden input[name="rechnung"] {
	width: 6rem;
	border-radius: 999px;
}

.ne-lb-melden button {
	padding: 0.7rem 1.3rem;
	border: 0;
	border-radius: 999px;
	background: var(--ne-lb-marke);
	color: #fff;
	font: inherit;
	font-weight: 700;
	cursor: pointer;
}

.ne-lb-hinweis {
	font-size: 0.9rem;
	color: var(--ne-lb-text-2);
}

.ne-lb-topf {
	position: absolute !important;
	left: -10000px !important;
	width: 1px;
	height: 1px;
	overflow: hidden;
}

.ne-lb-meldung-ok,
.ne-lb-meldung-fehler {
	padding: 0.7rem 1rem;
	border-radius: var(--ne-lb-rund-klein);
	background: #e6f6ec;
}

.ne-lb-meldung-fehler {
	background: #fdeaea;
}

.ne-lb-zurueck {
	margin-top: 1.5rem;
}

/* Autor und Datum, die manche Themes ausgeben, auf Materialseiten ausblenden */
.ne-lb-materialseite .byline,
.ne-lb-materialseite .entry-author {
	display: none;
}

/* ---------- Eigene Seitenvorlage (volle Breite, mittig) ---------- */
.ne-lb-seite {
	display: block;
	width: 100%;
	padding: clamp(1.5rem, 4vw, 3rem) clamp(1rem, 3vw, 2rem) clamp(3rem, 6vw, 5rem);
	outline: none;
}

.ne-lb-seite-innen {
	width: 100%;
	max-width: 72rem;
	margin-inline: auto;
}

.ne-lb-seite-kopf {
	margin: 0 0 clamp(1.25rem, 3vw, 2rem);
	text-align: center;
}

.ne-lb-seite-titel {
	margin: 0;
	font-size: clamp(2rem, 5vw, 3rem);
	font-weight: 800;
	line-height: 1.15;
}

/* ---------- Am PC: mittig ---------- */
.ne-lb-bibliothek,
.ne-lb-material {
	width: 100%;
	max-width: 72rem;
	margin-inline: auto;
}

.ne-lb-intro {
	flex-direction: column-reverse;
	text-align: center;
}

.ne-lb-intro-text {
	display: flex;
	flex-direction: column;
	align-items: center;
}

.ne-lb-intro p {
	margin-inline: auto;
}

.ne-lb-versprechen,
.ne-lb-klassen,
.ne-lb-seiten ul {
	justify-content: center;
}

.ne-lb-anzahl {
	text-align: center;
}

.ne-lb-intro-pixel {
	transform: rotate(-6deg);
}

/* Elemente, die es nur in der App-Ansicht gibt */
.ne-lb-blatt-kopf,
.ne-lb-kurz {
	display: none;
}

/* ---------- App-Ansicht (Handy und Tablet, mit JavaScript) ---------- */
.ne-lb-werkzeugleiste {
	position: sticky;
	top: var(--ne-lb-oben, 0.5rem);
	z-index: 50;
	display: flex;
	gap: 0.5rem;
	margin: 0 0 1.25rem;
	padding: 0.5rem;
	border-radius: 999px;
	background: rgba(255, 255, 255, 0.92);
	box-shadow: 0 0.5rem 1.5rem -0.5rem rgba(43, 47, 110, 0.3);
	-webkit-backdrop-filter: blur(10px);
	backdrop-filter: blur(10px);
}

.ne-lb-werkzeugleiste[hidden] {
	display: none;
}

.ne-lb-schnellsuche {
	position: relative;
	flex: 1;
	display: flex;
	align-items: center;
}

.ne-lb-schnellsuche .ne-lb-icon {
	position: absolute;
	left: 1rem;
	color: var(--ne-lb-text-2);
	pointer-events: none;
}

.ne-lb-schnellsuche input {
	width: 100%;
	min-height: 3rem;
	padding: 0.5rem 1rem 0.5rem 2.6rem;
	border: 2px solid transparent;
	border-radius: 999px;
	background: var(--ne-lb-flaeche);
	color: var(--ne-lb-text);
	font: inherit;
	font-size: 16px; /* verhindert Zoom auf iPhones */
}

.ne-lb-schnellsuche input:focus {
	border-color: var(--ne-lb-marke);
	outline: none;
}

.ne-lb-filterknopf {
	display: inline-flex;
	align-items: center;
	gap: 0.4rem;
	min-height: 3rem;
	padding: 0 1.1rem;
	border: 0;
	border-radius: 999px;
	background: var(--ne-lb-marke);
	color: #fff;
	font: inherit;
	font-weight: 700;
	cursor: pointer;
}

.ne-lb-abzeichen {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	min-width: 1.4rem;
	height: 1.4rem;
	padding: 0 0.35rem;
	border-radius: 999px;
	background: var(--ne-lb-herz);
	color: #fff;
	font-size: 0.8rem;
}

.ne-lb-abzeichen[hidden] {
	display: none;
}

.ne-lb-abdunkler {
	position: fixed;
	inset: 0;
	z-index: 99998;
	background: rgba(35, 37, 63, 0.45);
	opacity: 0;
	pointer-events: none;
	transition: opacity 0.2s ease;
}

.ne-lb-abdunkler.ist-offen {
	opacity: 1;
	pointer-events: auto;
}

html.ne-lb-gesperrt,
html.ne-lb-gesperrt body {
	overflow: hidden;
}

/* Das Filterformular wird zum Blatt, das von unten hereinfährt. */
.ne-lb-app .ne-lb-filter {
	position: fixed;
	left: 0;
	right: 0;
	bottom: 0;
	z-index: 99999;
	grid-template-columns: repeat(2, minmax(0, 1fr));
	max-height: 88vh;
	max-height: 88dvh;
	margin: 0;
	padding: 0.5rem 1.25rem calc(1.25rem + env(safe-area-inset-bottom, 0px));
	overflow-y: auto;
	overscroll-behavior: contain;
	border-radius: 1.75rem 1.75rem 0 0;
	background: #fff;
	box-shadow: 0 -0.75rem 2rem rgba(35, 37, 63, 0.25);
	transform: translateY(105%);
	visibility: hidden;
	transition: transform 0.28s cubic-bezier(0.2, 0.8, 0.2, 1), visibility 0s linear 0.28s;
}

.ne-lb-app .ne-lb-filter.ist-offen {
	transform: translateY(0);
	visibility: visible;
	transition: transform 0.28s cubic-bezier(0.2, 0.8, 0.2, 1), visibility 0s;
}

.ne-lb-app .ne-lb-blatt-kopf {
	grid-column: 1 / -1;
	position: sticky;
	top: -0.5rem;
	z-index: 1;
	display: flex;
	align-items: center;
	justify-content: space-between;
	margin: 0 -1.25rem 0.25rem;
	padding: 1.1rem 1.25rem 0.6rem;
	background: #fff;
}

.ne-lb-griff {
	position: absolute;
	top: 0.45rem;
	left: 50%;
	width: 2.75rem;
	height: 0.3rem;
	border-radius: 999px;
	background: var(--ne-lb-linie);
	transform: translateX(-50%);
}

.ne-lb-blatt-titel {
	margin: 0;
	color: var(--ne-lb-marke);
	font-size: 1.3rem;
	font-weight: 800;
}

.ne-lb-schliessen {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	width: 2.75rem;
	height: 2.75rem;
	border: 0;
	border-radius: 999px;
	background: var(--ne-lb-flaeche);
	color: var(--ne-lb-marke);
	font-size: 1.2rem;
	cursor: pointer;
}

.ne-lb-app .ne-lb-feld--suche {
	display: none;
}

.ne-lb-app .ne-lb-feld select {
	min-height: 3rem;
	font-size: 16px;
}

.ne-lb-app .ne-lb-feld--knoepfe {
	grid-column: 1 / -1;
	position: sticky;
	bottom: calc(-1.25rem - env(safe-area-inset-bottom, 0px));
	flex-direction: column-reverse;
	align-items: stretch;
	margin: 0.5rem -1.25rem calc(-1.25rem - env(safe-area-inset-bottom, 0px));
	padding: 0.75rem 1.25rem calc(1rem + env(safe-area-inset-bottom, 0px));
	background: #fff;
	box-shadow: 0 -1px 0 var(--ne-lb-linie);
}

.ne-lb-app .ne-lb-filter button.ne-lb-knopf {
	display: flex;
	justify-content: center;
	width: 100%;
	min-height: 3.25rem;
	font-size: 1.05rem;
}

.ne-lb-app .ne-lb-zuruecksetzen {
	align-self: center;
	padding: 0.4rem;
}

/* ---------- Tablet ---------- */
@media (max-width: 900px) {
	.ne-lb-faecher ul {
		grid-template-columns: repeat(4, minmax(0, 1fr));
		gap: 0.75rem;
	}
	.ne-lb-karten {
		grid-template-columns: repeat(3, minmax(0, 1fr));
		gap: 1rem;
	}

	/* Materialseite: feste Aktionsleiste unten wie in einer App */
	body.ne-lb-materialseite {
		padding-bottom: calc(5.5rem + env(safe-area-inset-bottom, 0px));
	}
	.ne-lb-material .ne-lb-knoepfe {
		position: fixed;
		left: 0;
		right: 0;
		bottom: 0;
		z-index: 9990;
		flex-wrap: nowrap;
		gap: 0.5rem;
		margin: 0;
		padding: 0.65rem 0.75rem calc(0.65rem + env(safe-area-inset-bottom, 0px));
		border-radius: 1.4rem 1.4rem 0 0;
		background: rgba(255, 255, 255, 0.95);
		box-shadow: 0 -0.5rem 1.5rem rgba(43, 47, 110, 0.15);
		-webkit-backdrop-filter: blur(10px);
		backdrop-filter: blur(10px);
	}
	.ne-lb-material .ne-lb-knoepfe .ne-lb-knopf {
		flex: 1 1 0;
		min-width: 0;
		white-space: nowrap;
		justify-content: center;
		min-height: 3.1rem;
		padding: 0.6rem 0.5rem;
	}
	.ne-lb-material .ne-lb-knoepfe .ne-lb-knopf:first-child {
		flex-grow: 1.6;
	}
	.ne-lb-material .ne-lb-knoepfe .ne-lb-knopf--leise {
		background: var(--ne-lb-flaeche);
	}
	.ne-lb-material .ne-lb-knoepfe .ne-lb-knopf:hover {
		transform: none;
	}
	.ne-lb-material-kopf {
		grid-template-columns: minmax(0, 1fr) minmax(0, 1.4fr);
	}
}

/* ---------- Handy ---------- */
@media (max-width: 600px) {
	.ne-lb-intro {
		padding: 1.5rem 1.25rem;
		border-radius: 1.5rem;
	}
	.ne-lb-intro p {
		margin-bottom: 0.75rem;
		font-size: 0.95rem;
	}
	.ne-lb-intro-pixel {
		width: 3.75rem;
	}
	.ne-lb-versprechen {
		gap: 0.35rem;
	}
	.ne-lb-versprechen li {
		padding: 0.25rem 0.65rem 0.25rem 0.45rem;
		font-size: 0.8rem;
	}

	/* Fächer als waagerechte Leiste zum Wischen */
	.ne-lb-faecher {
		margin-inline: -1rem;
	}
	.ne-lb-faecher ul {
		display: flex;
		gap: 0.75rem;
		overflow-x: auto;
		padding: 0.25rem 1rem 0.75rem;
		scroll-snap-type: x mandatory;
		scroll-padding-inline: 1rem;
		scrollbar-width: none;
	}
	.ne-lb-faecher ul::-webkit-scrollbar {
		display: none;
	}
	.ne-lb-faecher li {
		flex: 0 0 11rem;
		scroll-snap-align: start;
	}
	.ne-lb-fach {
		padding: 0.9rem;
	}
	.ne-lb-symbol {
		width: 2.6rem;
		height: 2.6rem;
		font-size: 0.95rem;
	}
	.ne-lb-fach-name {
		font-size: 1.05rem;
	}

	/* Klassen als Segmente über die ganze Breite */
	.ne-lb-klassen {
		flex-direction: column;
		align-items: stretch;
	}
	.ne-lb-klassen-titel {
		text-align: center;
	}
	.ne-lb-klassen ul {
		display: flex;
		flex-wrap: nowrap;
		gap: 0.35rem;
		padding: 0.35rem;
		border-radius: 999px;
		background: var(--ne-lb-flaeche);
	}
	.ne-lb-klassen li {
		flex: 1 1 0;
	}
	.ne-lb-klasse {
		width: 100%;
		min-width: 0;
		height: 2.75rem;
		background: transparent;
	}

	.ne-lb-filter {
		grid-template-columns: repeat(2, minmax(0, 1fr));
		padding: 1rem;
	}
	.ne-lb-feld--knoepfe {
		grid-column: 1 / -1;
	}

	.ne-lb-karten {
		grid-template-columns: repeat(2, minmax(0, 1fr));
		gap: 0.75rem;
	}
	.ne-lb-karte-blatt {
		padding: 0.8rem 0.9rem 0;
	}
	.ne-lb-karte-text {
		padding: 1.7rem 0.8rem 0.9rem;
	}
	.ne-lb-karte-titel {
		font-size: 1rem;
	}
	.ne-lb-karte .ne-lb-chip {
		font-size: 0.75rem;
		padding: 0.25rem 0.6rem;
	}
	.ne-lb-karte .ne-lb-knopf--klein {
		align-self: stretch;
		justify-content: center;
	}

	.ne-lb-material-kopf {
		grid-template-columns: 1fr;
		padding: 1.25rem;
		border-radius: 1.5rem;
	}
	.ne-lb-material-vorschau {
		max-width: 16rem;
		margin-inline: auto;
	}
	.ne-lb-chips {
		justify-content: center;
	}
	.ne-lb-material .ne-lb-lang {
		display: none;
	}
	.ne-lb-material .ne-lb-knoepfe {
		gap: 0.4rem;
		padding-inline: 0.5rem;
	}
	.ne-lb-material .ne-lb-knoepfe .ne-lb-knopf {
		gap: 0.3rem;
		padding: 0.55rem 0.35rem;
		font-size: 0.9rem;
	}
	.ne-lb-material .ne-lb-kurz {
		display: inline;
	}
}

@media (prefers-reduced-motion: reduce) {
	.ne-lb-bibliothek *,
	.ne-lb-material * {
		transition: none !important;
	}
	.ne-lb-papier,
	.ne-lb-karte:nth-child(even) .ne-lb-papier,
	.ne-lb-karte:hover .ne-lb-papier,
	.ne-lb-fach:hover,
	.ne-lb-klasse:hover,
	.ne-lb-knopf:hover {
		transform: none;
	}
}

@media print {
	.ne-lb-filter,
	.ne-lb-melden,
	.ne-lb-knoepfe,
	.ne-lb-intro,
	.ne-lb-werkzeugleiste {
		display: none;
	}
}