/**
 * QubityKunstwerke Frontend Styles
 *
 * Design System: DESIGN.md
 * Font: Outfit (Google Fonts)
 * Palette: Warm gallery aesthetic
 *
 * @package QubityKunstwerke
 */

/* === Design Tokens === */

:root {
	--qk-primary: #4D4D4D;
	--qk-accent: #8B7355;
	--qk-accent-light: #A8926C;
	--qk-text: #333333;
	--qk-text-secondary: #666666;
	--qk-text-tertiary: #999999;
	--qk-bg: #FAFAF8;
	--qk-bg-alt: #F0EDE8;
	--qk-surface: #FFFFFF;
	--qk-border: #E0DCD6;
	--qk-border-light: #ECEAE6;
	--qk-success: #4A7C59;
	--qk-error: #A04040;

	--qk-space-2xs: 2px;
	--qk-space-xs: 4px;
	--qk-space-sm: 8px;
	--qk-space-md: 16px;
	--qk-space-lg: 24px;
	--qk-space-xl: 32px;
	--qk-space-2xl: 48px;
	--qk-space-3xl: 64px;
	--qk-space-4xl: 96px;

	--qk-max-width: 1400px;
	--qk-radius: 2px;

	--qk-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
	--qk-shadow-hover: 0 4px 16px rgba(0, 0, 0, 0.10);

	--qk-transition-short: 150ms ease-out;
	--qk-transition-medium: 250ms ease-in-out;
}

/* === Base === */

.qk-category-archive,
.qk-single-artwork {
	max-width: var(--qk-max-width);
	margin: 0 auto;
	padding: var(--qk-space-2xl) var(--qk-space-lg);
	font-family: 'Outfit', system-ui, sans-serif;
	color: var(--qk-text);
}

/* === Breadcrumb === */

.qk-breadcrumb {
	font-size: 0.75rem;
	font-weight: 500;
	text-transform: uppercase;
	letter-spacing: 0.1em;
	color: var(--qk-text-tertiary);
	margin-bottom: var(--qk-space-xl);
}

.qk-breadcrumb a {
	color: var(--qk-text-tertiary);
	text-decoration: none;
	transition: color var(--qk-transition-short);
}

.qk-breadcrumb a:hover {
	color: var(--qk-accent);
}

.qk-breadcrumb__sep {
	margin: 0 var(--qk-space-sm);
}

.qk-breadcrumb__current {
	color: var(--qk-text-secondary);
}

/* === Category Archive === */

.qk-category-header {
	margin-bottom: var(--qk-space-2xl);
}

.qk-category-title {
	font-size: 2rem;
	font-weight: 600;
	margin: 0 0 var(--qk-space-sm);
	line-height: 1.2;
}

.qk-category-description {
	font-size: 1rem;
	color: var(--qk-text-secondary);
	margin: 0 0 var(--qk-space-sm);
}

.qk-category-count {
	font-size: 0.875rem;
	color: var(--qk-text-tertiary);
	margin: 0;
}

/* === Artwork Grid === */

.qk-artwork-grid {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: var(--qk-space-xl);
}

/* === Artwork Card === */

.qk-artwork-card {
	background: var(--qk-surface);
	box-shadow: var(--qk-shadow);
	transition: transform var(--qk-transition-medium), box-shadow var(--qk-transition-medium);
}

.qk-artwork-card:hover {
	transform: scale(1.02);
	box-shadow: var(--qk-shadow-hover);
}

.qk-artwork-card__link {
	display: block;
	text-decoration: none;
	color: inherit;
}

.qk-artwork-card__image {
	overflow: hidden;
	background: var(--qk-bg-alt);
}

.qk-artwork-card__img {
	display: block;
	width: 100%;
	height: auto;
}

.qk-artwork-card__placeholder {
	aspect-ratio: 4 / 3;
	background: var(--qk-border-light);
}

.qk-artwork-card__meta {
	padding: var(--qk-space-md);
}

.qk-artwork-card__title {
	font-size: 1.1rem;
	font-weight: 600;
	margin: 0 0 var(--qk-space-xs);
	line-height: 1.3;
}

.qk-artwork-card__info {
	font-size: 0.8rem;
	font-weight: 400;
	color: var(--qk-text-secondary);
	margin: 0;
}

/* === Load More === */

.qk-load-more-wrap {
	text-align: center;
	margin-top: var(--qk-space-2xl);
}

.qk-load-more {
	display: inline-block;
	padding: var(--qk-space-md) var(--qk-space-xl);
	font-family: 'Outfit', system-ui, sans-serif;
	font-size: 0.875rem;
	font-weight: 500;
	text-transform: uppercase;
	letter-spacing: 0.08em;
	color: var(--qk-primary);
	background: transparent;
	border: 1px solid var(--qk-border);
	border-radius: var(--qk-radius);
	cursor: pointer;
	transition: border-color var(--qk-transition-short), color var(--qk-transition-short);
}

.qk-load-more:hover {
	border-color: var(--qk-accent);
	color: var(--qk-accent);
}

.qk-load-more--loading {
	opacity: 0.6;
	pointer-events: none;
}

.qk-load-more--loading::after {
	content: '';
	display: inline-block;
	width: 14px;
	height: 14px;
	margin-left: var(--qk-space-sm);
	border: 2px solid var(--qk-border);
	border-top-color: var(--qk-accent);
	border-radius: 50%;
	animation: qk-spin 0.6s linear infinite;
	vertical-align: middle;
}

@keyframes qk-spin {
	to { transform: rotate(360deg); }
}

/* === Empty State === */

.qk-empty-state {
	text-align: center;
	padding: var(--qk-space-4xl) var(--qk-space-lg);
	color: var(--qk-text-tertiary);
	font-size: 1.1rem;
}

/* === Single Artwork Layout === */

.qk-artwork-layout {
	display: grid;
	grid-template-columns: 2fr 1fr;
	gap: var(--qk-space-2xl);
	align-items: start;
}

/* === Main Image === */

.qk-artwork-main-image {
	background: var(--qk-bg-alt);
}

.qk-artwork-main-img {
	display: block;
	width: 100%;
	height: auto;
}

/* === Artwork Views (Thumbnails) === */

.qk-artwork-views {
	display: flex;
	gap: var(--qk-space-sm);
	margin-top: var(--qk-space-md);
	overflow-x: auto;
}

.qk-artwork-view-btn {
	flex: 0 0 auto;
	display: flex;
	flex-direction: column;
	align-items: center;
	gap: var(--qk-space-xs);
	padding: var(--qk-space-xs);
	background: none;
	border: 2px solid transparent;
	cursor: pointer;
	transition: border-color var(--qk-transition-short);
	min-width: 44px;
	min-height: 44px;
}

.qk-artwork-view-btn--active {
	border-color: var(--qk-accent);
}

.qk-artwork-view-btn:hover {
	border-color: var(--qk-accent-light);
}

.qk-artwork-view-thumb {
	width: 64px;
	height: 64px;
	object-fit: cover;
	display: block;
}

.qk-artwork-view-label {
	font-size: 0.7rem;
	font-weight: 500;
	color: var(--qk-text-tertiary);
	text-transform: uppercase;
	letter-spacing: 0.05em;
}

/* === Artwork Details Sidebar === */

.qk-artwork-details {
	position: sticky;
	top: var(--qk-space-xl);
}

.qk-artwork-title {
	font-size: 1.5rem;
	font-weight: 600;
	margin: 0 0 var(--qk-space-lg);
	line-height: 1.3;
}

.qk-artwork-meta {
	display: grid;
	grid-template-columns: auto 1fr;
	gap: var(--qk-space-xs) var(--qk-space-md);
	margin: 0 0 var(--qk-space-lg);
}

.qk-artwork-meta__label {
	font-size: 0.75rem;
	font-weight: 500;
	text-transform: uppercase;
	letter-spacing: 0.08em;
	color: var(--qk-text-tertiary);
	padding-top: 2px;
}

.qk-artwork-meta__value {
	font-size: 0.875rem;
	color: var(--qk-text);
	margin: 0;
}

.qk-artwork-description {
	font-size: 0.9rem;
	line-height: 1.7;
	color: var(--qk-text-secondary);
	border-top: 1px solid var(--qk-border-light);
	padding-top: var(--qk-space-lg);
}

.qk-artwork-no-image {
	display: flex;
	align-items: center;
	justify-content: center;
	aspect-ratio: 4 / 3;
	background: var(--qk-bg-alt);
	color: var(--qk-text-tertiary);
}

/* === Prev/Next Navigation === */

.qk-artwork-nav {
	display: flex;
	justify-content: space-between;
	align-items: center;
	margin-top: var(--qk-space-3xl);
	padding-top: var(--qk-space-xl);
	border-top: 1px solid var(--qk-border-light);
}

.qk-artwork-nav__prev,
.qk-artwork-nav__next {
	display: flex;
	align-items: center;
	gap: var(--qk-space-sm);
	text-decoration: none;
	color: var(--qk-text-secondary);
	font-size: 0.875rem;
	transition: color var(--qk-transition-short);
	max-width: 35%;
}

.qk-artwork-nav__prev:hover,
.qk-artwork-nav__next:hover {
	color: var(--qk-accent);
}

.qk-artwork-nav__arrow {
	font-size: 1.2rem;
	flex-shrink: 0;
}

.qk-artwork-nav__label {
	overflow: hidden;
	text-overflow: ellipsis;
	white-space: nowrap;
}

.qk-artwork-nav__back {
	font-size: 0.75rem;
	font-weight: 500;
	text-transform: uppercase;
	letter-spacing: 0.08em;
	text-decoration: none;
	color: var(--qk-text-tertiary);
	transition: color var(--qk-transition-short);
}

.qk-artwork-nav__back:hover {
	color: var(--qk-accent);
}

.qk-artwork-nav__spacer {
	flex: 0 0 35%;
}

/* === View Transitions === */

@view-transition {
	navigation: auto;
}

::view-transition-old(root),
::view-transition-new(root) {
	animation-duration: 250ms;
}

/* === Responsive === */

@media (max-width: 1024px) {
	.qk-artwork-grid {
		grid-template-columns: repeat(2, 1fr);
	}

	.qk-artwork-layout {
		grid-template-columns: 1fr;
	}

	.qk-artwork-details {
		position: static;
	}
}

@media (max-width: 768px) {
	.qk-category-archive,
	.qk-single-artwork {
		padding: var(--qk-space-lg) var(--qk-space-md);
	}

	.qk-artwork-grid {
		grid-template-columns: 1fr;
	}

	.qk-category-title {
		font-size: 1.5rem;
	}

	.qk-artwork-title {
		font-size: 1.3rem;
	}

	.qk-artwork-nav {
		flex-direction: column;
		gap: var(--qk-space-md);
	}

	.qk-artwork-nav__prev,
	.qk-artwork-nav__next {
		max-width: 100%;
	}

	.qk-artwork-nav__spacer {
		display: none;
	}

	.qk-artwork-view-thumb {
		width: 48px;
		height: 48px;
	}
}

/* =========================================
   Front Page
   ========================================= */

.qk-front-page {
	font-family: 'Outfit', system-ui, sans-serif;
	color: var(--qk-text);
}

/* === Hero === */

.qk-hero {
	width: 100%;
	height: 40vh;
	overflow: hidden;
	position: relative;
}

.qk-hero__img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	display: block;
}

/* === Category Cards (Leitkategorie-Kacheln) === */

.qk-categories-section {
	max-width: var(--qk-max-width);
	margin: 0 auto;
	padding: var(--qk-space-2xl) var(--qk-space-lg);
}

.qk-categories-grid {
	display: grid;
	grid-template-columns: repeat(4, 1fr);
	gap: var(--qk-space-lg);
}

.qk-category-card {
	display: block;
	text-decoration: none;
	color: inherit;
	background: var(--qk-surface);
	box-shadow: var(--qk-shadow);
	transition: transform var(--qk-transition-medium), box-shadow var(--qk-transition-medium);
}

.qk-category-card:hover {
	transform: scale(1.02);
	box-shadow: var(--qk-shadow-hover);
}

.qk-category-card__image {
	overflow: hidden;
	background: var(--qk-bg-alt);
}

.qk-category-card__img {
	width: 100%;
	height: auto;
	display: block;
}

.qk-category-card__placeholder {
	aspect-ratio: 4 / 3;
	background: var(--qk-border-light);
}

.qk-category-card__title {
	font-size: 0.9rem;
	font-weight: 600;
	text-align: center;
	padding: var(--qk-space-md);
	margin: 0;
}

/* === Exhibition Sections === */

.qk-exhibition-section {
	max-width: var(--qk-max-width);
	margin: 0 auto;
	padding: var(--qk-space-2xl) var(--qk-space-lg);
	border-top: 1px solid var(--qk-border-light);
}

.qk-exhibition-header {
	margin-bottom: var(--qk-space-lg);
}

.qk-exhibition-title {
	font-size: 1.5rem;
	font-weight: 600;
	margin: 0 0 var(--qk-space-xs);
}

.qk-exhibition-title a {
	color: inherit;
	text-decoration: none;
	transition: color var(--qk-transition-short);
}

.qk-exhibition-title a:hover {
	color: var(--qk-accent);
}

.qk-exhibition-meta {
	font-size: 0.875rem;
	color: var(--qk-text-secondary);
	margin: 0;
}

/* === Carousel (Splide) === */

.qk-carousel {
	--qk-carousel-h: 70vh;
}

.qk-carousel-slide {
	height: var(--qk-carousel-h);
}

.qk-carousel-slide--image {
	position: relative;
	width: auto;
}

.qk-carousel-slide__img {
	height: 100%;
	width: auto;
	object-fit: contain;
	display: block;
}

.qk-carousel-slide__caption {
	position: absolute;
	bottom: 0;
	left: 0;
	right: 0;
	padding: var(--qk-space-sm) var(--qk-space-md);
	font-size: 0.75rem;
	color: var(--qk-surface);
	background: rgba(0, 0, 0, 0.5);
}

.qk-carousel-slide--text {
	width: 400px;
	max-width: 80vw;
	display: flex;
	align-items: center;
	padding: var(--qk-space-xl);
	background: var(--qk-bg-alt);
}

.qk-carousel-slide__content {
	font-size: 0.9rem;
	line-height: 1.7;
	color: var(--qk-text-secondary);
	overflow-y: auto;
	max-height: 100%;
}

/* Splide arrow overrides: thin lines, no fill */
.qk-carousel .splide__arrow {
	background: transparent;
	border: none;
	width: 44px;
	height: 44px;
	opacity: 0;
	transition: opacity var(--qk-transition-short);
}

.qk-carousel:hover .splide__arrow,
.qk-carousel .splide__arrow:focus-visible {
	opacity: 1;
}

.qk-carousel .splide__arrow svg {
	width: 24px;
	height: 24px;
	fill: var(--qk-primary);
}

/* No pagination dots */
.qk-carousel .splide__pagination {
	display: none;
}

/* === Front Page Responsive === */

@media (max-width: 1024px) {
	.qk-categories-grid {
		grid-template-columns: repeat(3, 1fr);
	}

	.qk-carousel {
		--qk-carousel-h: 50vh;
	}
}

@media (max-width: 768px) {
	.qk-categories-grid {
		grid-template-columns: repeat(2, 1fr);
	}

	.qk-carousel {
		--qk-carousel-h: 40vh;
	}

	.qk-carousel .splide__arrow {
		opacity: 1;
	}

	.qk-exhibition-title {
		font-size: 1.2rem;
	}
}