/* ═══════════════════════════════════════════════════════════════
   Kategorie-Uebersicht Widget (#38) — Image-Overlay Grid 2026
   Desktop: Image-Overlay Cards mit Hover-Reveal
   Mobile: Kompakte Liste mit rundem Thumbnail
   ═══════════════════════════════════════════════════════════════ */

/* ─── Custom Properties ────────────────────────────────────────── */
.kw-co {
	--kwl-co-columns: 2;
	--kwl-co-gap: var(--kwl-space-lg, 1.5rem);
	--kwl-co-img-ratio: 3 / 2;
	--kwl-co-overlay-opacity: 0.55;
	--kwl-co-transition: var(--kwl-transition, 200ms ease);
}

.kw-co__content {
	min-width: 0;
}

/* ─── Überschrift ─────────────────────────────────────────────── */
.kw-co__heading {
	font-family: var(--kwl-font-heading);
	font-size: var(--kwl-fsize-h2, 2rem);
	color: var(--kwl-text, #1a202c);
	margin: 0 0 var(--kwl-space-lg, 1.5rem);
	line-height: var(--kwl-lh-snug);
}

/* ─── Card-Grid ───────────────────────────────────────────────── */
.kw-co__grid {
	display: grid;
	grid-template-columns: repeat(var(--kwl-co-columns), 1fr);
	gap: var(--kwl-co-gap);
}

/* ═══════════════════════════════════════════════════════════════
   IMAGE-OVERLAY CARD
   Bild füllt die Karte, Gradient-Overlay von unten,
   Titel + Beschreibung (Hover-Reveal) über dem Bild.
   ═══════════════════════════════════════════════════════════════ */

.kw-co__card {
	position: relative;
	overflow: hidden;
	aspect-ratio: var(--kwl-co-img-ratio);
	border-top-width: 0;
	transition:
		transform var(--kwl-co-transition),
		box-shadow var(--kwl-co-transition),
		filter 400ms ease;
}

/* Gradient-Overlay: untere Hälfte verdunkelt für Textlesbarkeit */
.kw-co__card::before {
	content: '';
	position: absolute;
	inset: 0;
	background: linear-gradient(
		to top,
		rgb(0 0 0 / var(--kwl-co-overlay-opacity)) 0%,
		rgb(0 0 0 / 0.15) 50%,
		transparent 70%
	);
	z-index: 1;
	pointer-events: none;
}

/* Chevron-Pfeil: erscheint bei Hover/Focus als Navigations-Hinweis */
.kw-co__card::after {
	content: '';
	position: absolute;
	right: var(--kwl-space-md, 1rem);
	bottom: var(--kwl-space-md, 1rem);
	width: 0.55rem;
	height: 0.55rem;
	border-right: 2px solid var(--kwl-accent, #BD9B5C);
	border-bottom: 2px solid var(--kwl-accent, #BD9B5C);
	transform: rotate(-45deg);
	z-index: 2;
	opacity: 0;
	transition: opacity 250ms ease;
}

/* Bild: absolut positioniert, füllt die gesamte Karte */
.kw-co__img {
	position: absolute;
	inset: 0;
	width: 100%;
	height: 100%;
	object-fit: cover;
	transition: transform 500ms var(--kwl-ease-soft);
}

/* Stretched Link: komplette Card klickbar */
.kw-co__card-link {
	position: absolute;
	inset: 0;
	z-index: 3;
}

.kw-co__card-link:focus-visible {
	outline: 3px solid var(--kwl-focus, #7B6835);
	outline-offset: 2px;
	border-radius: var(--kwl-card-radius, var(--kwl-radius-lg, 12px));
}

.kw-co__card-link:active ~ .kw-co__card-overlay {
	opacity: 1;
}

/* ─── Text-Overlay (Glassmorphism Panel) ──────────────────────── */
.kw-co__card-overlay {
	position: absolute;
	bottom: 0;
	left: 0;
	right: 0;
	padding: var(--kwl-space-md, 1rem);
	padding-right: calc(var(--kwl-space-md, 1rem) + 1.5rem);
	display: flex;
	flex-direction: column;
	gap: var(--kwl-space-xs, 0.25rem);
	z-index: 2;
	background: rgb(0 0 0 / 0.35);
	backdrop-filter: blur(12px);
	-webkit-backdrop-filter: blur(12px);
	border-top: 1px solid rgb(255 255 255 / 0.12);
	transition: background 300ms ease, border-color 300ms ease;
}

/* Gold-Glow Akzent: Leuchtstreifen über dem Glass-Panel */
.kw-co__card-overlay::before {
	content: '';
	position: absolute;
	top: 0;
	left: var(--kwl-space-md, 1rem);
	right: var(--kwl-space-md, 1rem);
	height: 2px;
	background: linear-gradient(90deg, transparent, var(--kwl-accent, #BD9B5C), transparent);
	filter: blur(4px);
	opacity: 0;
	transition: opacity 300ms ease;
	pointer-events: none;
}

.kw-co__card-title {
	font-family: var(--kwl-font-heading);
	font-size: var(--kwl-fsize-h4, 1.25rem);
	color: #ffffff;
	margin: 0;
	line-height: var(--kwl-lh-snug);
	text-shadow: 0 1px 3px rgb(0 0 0 / 0.3);
}

.kw-co__card-desc {
	font-size: var(--kwl-fsize-small, 0.875rem);
	color: rgb(255 255 255 / 0.88);
	margin: 0;
	line-height: var(--kwl-lh-body);
	text-shadow: 0 1px 2px rgb(0 0 0 / 0.3);
	display: -webkit-box;
	-webkit-line-clamp: 2;
	-webkit-box-orient: vertical;
	overflow: hidden;
	opacity: 0;
	transform: translateY(8px);
	transition: opacity 300ms ease, transform 300ms ease;
}

/* Card-Icon (nur Fallback ohne Bild) */
.kw-co__card-icon {
	margin-bottom: var(--kwl-space-xs, 0.25rem);
}

/* ─── Hover-Effekte (nur Maus) ─────────────────────────────────── */
@media (hover: hover) {
	.kw-co__card:hover {
		transform: translateY(-4px);
		box-shadow: var(--kwl-shadow-hover);
	}

	.kw-co__card:hover .kw-co__img {
		transform: scale(1.02);
	}

	.kw-co__card:hover .kw-co__card-desc {
		opacity: 1;
		transform: translateY(0);
	}

	.kw-co__card:hover::after {
		opacity: 1;
	}

	/* Glassmorphism: dichter bei Hover, Gold-Border */
	.kw-co__card:hover .kw-co__card-overlay {
		background: rgb(0 0 0 / 0.45);
		border-top-color: var(--kwl-accent, #BD9B5C);
	}

	/* Gold-Glow bei Hover einblenden */
	.kw-co__card:hover .kw-co__card-overlay::before {
		opacity: 1;
	}
}

/* ─── Focus Spotlight: Dimming-Effekt (nur Desktop + Maus) ─────── */
@media (hover: hover) and (min-width: 768px) {
	.kw-co__grid:hover .kw-co__card {
		filter: brightness(0.65) saturate(0.4);
	}

	.kw-co__grid:hover .kw-co__card:hover {
		filter: brightness(1) saturate(1);
	}
}

/* ─── Touch-Geräte: Beschreibung + Chevron permanent sichtbar ──── */
@media (hover: none) {
	.kw-co__card-desc {
		opacity: 1;
		transform: none;
	}

	.kw-co__card::after {
		opacity: 1;
	}
}

/* Focus-within: Beschreibung bei Keyboard-Navigation sichtbar */
.kw-co__card:focus-within .kw-co__card-desc {
	opacity: 1;
	transform: translateY(0);
}

.kw-co__card:focus-within::after {
	opacity: 1;
}

.kw-co__card:focus-within .kw-co__card-overlay {
	background: rgb(0 0 0 / 0.45);
	border-top-color: var(--kwl-accent, #BD9B5C);
}

.kw-co__card:focus-within .kw-co__card-overlay::before {
	opacity: 1;
}

/* ═══════════════════════════════════════════════════════════════
   FALLBACK: Karte ohne Bild
   Solider Hintergrund mit optionalem Icon + Titel.
   Nutzt weiterhin data-kwl-card für Card-System-Integration.
   ═══════════════════════════════════════════════════════════════ */

.kw-co__card--no-image {
	aspect-ratio: var(--kwl-co-img-ratio);
	border-top-width: 3px;
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	gap: var(--kwl-space-sm, 0.5rem);
	padding: var(--kwl-space-lg, 1.5rem);
}

.kw-co__card--no-image::before {
	display: none;
}

.kw-co__card--no-image .kw-co__card-overlay {
	position: static;
	align-items: center;
	text-align: center;
	background: transparent;
	backdrop-filter: none;
	-webkit-backdrop-filter: none;
	border-top: none;
	padding-right: var(--kwl-space-md, 1rem);
	transition: none;
}

.kw-co__card--no-image .kw-co__card-overlay::before {
	display: none;
}

.kw-co__card--no-image .kw-co__card-title {
	color: var(--kwl-text, #1a202c);
	text-shadow: none;
}

.kw-co__card--no-image .kw-co__card-desc {
	color: var(--kwl-text-muted, #718096);
	text-shadow: none;
	opacity: 1;
	transform: none;
	transition: none;
}

/* ─── Scroll-Driven Reveal ─────────────────────────────────────── */
@supports (animation-timeline: view()) {
	.kw-co__card {
		animation: kwl-co-reveal linear both;
		animation-timeline: view();
		animation-range:
			entry calc(var(--kwl-stagger-index, 0) * 5%)
			entry calc(20% + var(--kwl-stagger-index, 0) * 5%);
	}

	@keyframes kwl-co-reveal {
		from {
			opacity: 0;
			transform: translateY(12px);
		}
		to {
			opacity: 1;
			transform: translateY(0);
		}
	}
}

/* ═══════════════════════════════════════════════════════════════
   SIDEBAR
   ═══════════════════════════════════════════════════════════════ */

/* ─── Leerer Zustand ───────────────────────────────────────────── */
.kw-co__empty {
	text-align: center;
	color: var(--kwl-text-muted, #718096);
	padding: var(--kwl-space-xl, 2rem);
}

/* ─── Platzhalter (Editor-Ansicht) ─────────────────────────────── */
.kw-co__placeholder {
	padding: 2rem;
	text-align: center;
	border: 2px dashed var(--kwl-border, #e2e8f0);
	border-radius: var(--kwl-radius-md, 8px);
	color: var(--kwl-text-muted, #718096);
}

.kw-co__placeholder-icon {
	font-size: 2rem;
	width: 2rem;
	height: 2rem;
	margin-bottom: 0.5rem;
}

/* ═══ RESPONSIVE ═══════════════════════════════════════════════ */

/* Tablet */
@media (max-width: 1023px) {
}

/* ───────────────────────────────────────────────────────────────
   MOBILE: Kompakte Liste mit Thumbnail
   Gleicher DOM — CSS transformiert Image-Overlay in Listenansicht.
   Bild → 80px rundes Thumbnail, Overlay → statischer Text,
   Chevron → sichtbar als Flex-Item rechts.
   ─────────────────────────────────────────────────────────────── */
@media (max-width: 767px) {
	.kw-co__grid {
		display: flex;
		flex-direction: column;
		gap: var(--kwl-space-xs, 0.25rem);
	}

	/* Card → Flex-Row */
	.kw-co__card {
		aspect-ratio: unset;
		display: flex;
		align-items: center;
		gap: var(--kwl-space-md, 1rem);
		padding: var(--kwl-space-sm, 0.5rem);
		border-top-width: 0;
		min-height: 44px;
	}

	/* Kein Gradient-Overlay auf Mobile */
	.kw-co__card::before {
		display: none;
	}

	/* Chevron: sichtbar als Flex-Item */
	.kw-co__card::after {
		position: static;
		opacity: 1;
		flex-shrink: 0;
		margin-left: auto;
	}

	/* Bild → rundes Thumbnail */
	.kw-co__img {
		position: static;
		width: 80px;
		height: 80px;
		border-radius: 50%;
		flex-shrink: 0;
	}

	/* Overlay → statischer Text-Block (kein Glassmorphism auf Mobile) */
	.kw-co__card-overlay {
		position: static;
		padding: 0;
		flex: 1;
		min-width: 0;
		background: transparent;
		backdrop-filter: none;
		-webkit-backdrop-filter: none;
		border-top: none;
		transition: none;
	}

	.kw-co__card-overlay::before {
		display: none;
	}

	.kw-co__card-title {
		color: var(--kwl-text, #1a202c);
		font-size: var(--kwl-fsize-small, 0.875rem);
		text-shadow: none;
	}

	.kw-co__card-desc {
		opacity: 1;
		transform: none;
		transition: none;
		color: var(--kwl-text-muted, #718096);
		text-shadow: none;
		-webkit-line-clamp: 1;
		font-size: var(--kwl-fsize-caption, 0.75rem);
	}

	/* Separator auf Mobile ausblenden */
	.kw-co__card-separator {
		display: none;
	}

	/* No-Image Karte: Icon + Text als Row */
	.kw-co__card--no-image {
		min-height: unset;
		flex-direction: row;
		align-items: center;
		justify-content: flex-start;
		padding: var(--kwl-space-sm, 0.5rem);
	}

	.kw-co__card--no-image .kw-co__card-overlay {
		align-items: flex-start;
		text-align: left;
	}

	.kw-co__card--no-image .kw-co__card-icon {
		margin-bottom: 0;
	}

	.kw-co__card--no-image::after {
		display: block;
		position: static;
		opacity: 1;
		margin-left: auto;
	}

	/* Hover: Dezenter Hintergrund-Wechsel */
	@media (hover: hover) {
		.kw-co__card:hover {
			background: var(--kwl-bg-alt, #f7fafc);
			box-shadow: var(--kwl-shadow-sm);
			transform: none;
		}
	}
}

/* ═══ DARK MODE ════════════════════════════════════════════════ */

@media (prefers-color-scheme: dark) {
	/* Image-Overlay Cards: unverändert (Overlay ist immer dunkel) */

	/* Fallback + Sidebar: Dark-Tokens */
	.kw-co__card--no-image .kw-co__card-title {
		color: var(--kwl-text, #f7fafc);
	}

	.kw-co__card--no-image .kw-co__card-desc {
		color: var(--kwl-text-muted, #a0aec0);
	}

}

/* Mobile + Dark */
@media (max-width: 767px) and (prefers-color-scheme: dark) {
	.kw-co__card {
		box-shadow: var(--kwl-shadow-sm);
	}

	.kw-co__card-title {
		color: var(--kwl-text, #f7fafc);
	}

	.kw-co__card-desc {
		color: var(--kwl-text-muted, #a0aec0);
	}
}

/* ═══ HIGH CONTRAST ═══════════════════════════════════════════ */

@media (prefers-contrast: more) {
	.kw-co__card {
		--kwl-co-overlay-opacity: 0.75;
	}

	.kw-co__card-overlay {
		background: rgb(0 0 0 / 0.6);
	}

	.kw-co__card-title {
		text-shadow: 0 1px 4px rgb(0 0 0 / 0.6);
	}
}

/* ═══ FORCED COLORS (Windows High Contrast) ════════════════════ */

@media (forced-colors: active) {
	.kw-co__card::before {
		display: none;
	}

	.kw-co__card-overlay {
		backdrop-filter: none;
		-webkit-backdrop-filter: none;
		border-top: none;
	}

	.kw-co__card-overlay::before {
		display: none;
	}

	.kw-co__card-title,
	.kw-co__card-desc {
		text-shadow: none;
	}
}

/* ═══ REDUCED MOTION ═══════════════════════════════════════════ */

@media (prefers-reduced-motion: reduce) {
	.kw-co__card,
	.kw-co__img,
	.kw-co__card-desc,
	.kw-co__card-overlay,
	.kw-co__card-overlay::before,

	.kw-co__card {
		animation: none;
	}

	.kw-co__card::after {
		transition: none;
	}

	/* Beschreibung + Chevron immer sichtbar */
	.kw-co__card-desc {
		opacity: 1;
		transform: none;
	}

	.kw-co__card::after {
		opacity: 1;
	}
}