/**
 * ArcHub References - Styles
 * Modern, responsive reference showcase styling
 * 
 * @since 1.0
 */

/* ============================================
   Container & Layout
   ============================================ */

.archub-references-container {
	position: relative;
	width: 100%;
	max-width: 100%;
}

.references-filter-wrapper {
	margin-bottom: 40px;
	padding-bottom: 30px;
	border-bottom: 1px solid rgba(0, 0, 0, 0.08);
}

/* ============================================
   Filter Section
   ============================================ */

.references-filters {
	display: flex;
	flex-wrap: wrap;
	gap: 15px;
	align-items: flex-start;
	margin-bottom: 20px;
}

.filter-group {
	display: flex;
	flex-direction: column;
	gap: 8px;
	flex: 1;
	min-width: 200px;
}

.filter-group label {
	font-size: 12px;
	font-weight: 600;
	text-transform: uppercase;
	letter-spacing: 0.5px;
	color: #333;
}

.references-search-input,
.references-country-filter,
.references-city-filter,
.references-year-filter,
.references-reference-type-filter,
.references-building-type-filter,
.references-products-filter {
	font-family: inherit;
	font-size: 14px;
	padding: 10px 12px;
	border: 1px solid #ddd;
	border-radius: 4px;
	background-color: #fff;
	color: #333;
	transition: all 0.3s ease;
}

.references-search-input:focus,
.references-country-filter:focus,
.references-city-filter:focus,
.references-year-filter:focus,
.references-reference-type-filter:focus {
	outline: none;
	border-color: #333;
	box-shadow: 0 0 0 3px rgba(51, 51, 51, 0.1);
}



.references-reference-type-filter:hover {
	border-color: #999;
	background: linear-gradient(135deg, #ffffff 0%, #f5f5f5 100%);
}

.references-reference-type-filter:focus {
	border-color: #333;
	box-shadow: 0 0 0 3px rgba(51, 51, 51, 0.15);
	background: #fff;
}

/* Autocomplete */
.references-autocomplete-results {
	position: absolute;
	top: 100%;
	left: 0;
	right: 0;
	background: #fff;
	border: 1px solid #ddd;
	border-top: none;
	border-radius: 0 0 4px 4px;
	max-height: 300px;
	overflow-y: auto;
	z-index: 10;
	display: none;
}

.references-autocomplete-results.active {
	display: block;
}

.autocomplete-list {
	list-style: none;
	margin: 0;
	padding: 0;
}

.autocomplete-item {
	margin: 0;
	padding: 0;
	border-bottom: 1px solid #f0f0f0;
}

.autocomplete-item:last-child {
	border-bottom: none;
}

.autocomplete-item a {
	display: block;
	padding: 10px 12px;
	color: #333;
	text-decoration: none;
	transition: background-color 0.2s ease;
}

.autocomplete-item a:hover {
	background-color: #f5f5f5;
	color: #000;
}

/* Checkboxes Grid */
.filter-checkbox-group {
	display: flex;
	flex-wrap: wrap;
	gap: 15px;
	margin-top: 8px;
}

.checkbox-wrapper {
	display: flex;
	align-items: center;
	gap: 6px;
	flex: 0 1 calc(50% - 8px);
}

.checkbox-wrapper input[type="checkbox"] {
	cursor: pointer;
	width: 16px;
	height: 16px;
	accent-color: #333;
}

.checkbox-wrapper label {
	margin: 0;
	font-size: 13px;
	font-weight: normal;
	text-transform: none;
	letter-spacing: normal;
	cursor: pointer;
	flex: 1;
}

/* Buttons */
.references-clear-filters,
.references-load-more {
	padding: 10px 20px;
	font-size: 13px;
	font-weight: 600;
	text-transform: uppercase;
	letter-spacing: 0.5px;
	background-color: #fff;
	color: #333;
	border: 1px solid #333;
	border-radius: 4px;
	cursor: pointer;
	transition: all 0.3s ease;
	display: none;
}

.references-clear-filters {
	display: inline-block;
	margin-left: 10px;
}

.references-clear-filters:hover,
.references-load-more:hover {
	background-color: #333;
	color: #fff;
}

/* ============================================
   Active Filters Tags
   ============================================ */

.references-active-filters {
	display: flex;
	flex-wrap: wrap;
	gap: 8px;
	margin-bottom: 20px;
}

.filter-tag {
	display: inline-flex;
	align-items: center;
	gap: 8px;
	padding: 6px 12px;
	font-size: 12px;
	background-color: #f0f0f0;
	color: #333;
	border-radius: 20px;
	border: 1px solid #ddd;
	animation: slideIn 0.3s ease;
}

@keyframes slideIn {
	from {
		opacity: 0;
		transform: translateY(-10px);
	}
	to {
		opacity: 1;
		transform: translateY(0);
	}
}

.filter-tag-remove {
	background: none;
	border: none;
	color: #666;
	cursor: pointer;
	font-size: 14px;
	padding: 0;
	line-height: 1;
	transition: color 0.2s ease;
}

.filter-tag-remove:hover {
	color: #333;
}

/* Result Counter */
.references-result-info {
	font-size: 13px;
	color: #666;
	margin-bottom: 20px;
	font-weight: 500;
}

.references-result-count {
	font-weight: 700;
	color: #333;
}

/* ============================================
   Loading Indicator
   ============================================ */

.references-loading {
	display: none;
	position: absolute;
	top: 50%;
	left: 50%;
	transform: translate(-50%, -50%);
	z-index: 20;
	text-align: center;
}

.loading-spinner {
	display: inline-block;
	width: 40px;
	height: 40px;
	border: 3px solid #f0f0f0;
	border-top-color: #333;
	border-radius: 50%;
	animation: spin 0.8s linear infinite;
}

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

.loading-text {
	margin-top: 12px;
	font-size: 13px;
	color: #666;
	font-weight: 500;
}

/* ============================================
   Grid Layout - Masonry
   ============================================ */

.references-grid {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 30px;
	margin-bottom: 40px;
	position: relative;
}

.reference-item {
	position: relative;
	overflow: hidden;
	border-radius: 4px;
	height: auto;
	animation: fadeIn 0.5s ease;
	display: block;
	text-decoration: none;
	color: inherit;
}

@keyframes fadeIn {
	from {
		opacity: 0;
		transform: translateY(10px);
	}
	to {
		opacity: 1;
		transform: translateY(0);
	}
}

/* ============================================
   Reference Card
   ============================================ */

.reference-card {
	display: flex;
	flex-direction: column;
	height: 100%;
	background: #fff;
	border-radius: 4px;
	overflow: hidden;
	transition: all 0.3s ease;
	box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.reference-card:hover {
	box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
	transform: translateY(-4px);
}

.reference-image-wrapper {
	position: relative;
	width: 100%;
	padding-bottom: 100%;
	overflow: hidden;
	background-color: #f5f5f5;
}

.reference-image {
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	object-fit: cover;
	display: block;
	transition: transform 0.5s ease;
}

.reference-card:hover .reference-image {
	transform: scale(1.05);
}

/* Gradient Overlay */
.reference-overlay {
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	background: linear-gradient(to top, rgba(0, 0, 0, 0.7) 0%, rgba(0, 0, 0, 0) 60%);
	z-index: 1;
}

/* Reference Info on Image */
.reference-info {
	position: absolute;
	bottom: 0;
	left: 0;
	right: 0;
	padding: 20px;
	z-index: 2;
	color: #fff;
}

.reference-info .reference-title {
	font-size: 18px;
	font-weight: 600;
	line-height: 1.3;
	margin: 0 0 10px;
	color: #fff;
	display: -webkit-box;
	-webkit-line-clamp: 2;
	-webkit-box-orient: vertical;
	overflow: hidden;
}

.reference-info .reference-meta {
	display: flex;
	flex-wrap: wrap;
	gap: 8px;
	font-size: 12px;
	color: rgba(255, 255, 255, 0.9);
	margin: 0;
}

.reference-info .reference-location,
.reference-info .reference-type,
.reference-info .reference-year {
	display: inline-flex;
	align-items: center;
	gap: 4px;
	font-size: 12px;
	color: rgba(255, 255, 255, 0.9);
	padding: 4px 10px;
}

/* Reference Content */
.reference-content {
	padding: 20px;
	flex: 1;
	display: flex;
	flex-direction: column;
}

.reference-title {
	font-size: 16px;
	font-weight: 600;
	line-height: 1.4;
	margin: 0 0 12px;
	color: #333;
	display: -webkit-box;
	-webkit-line-clamp: 2;
	-webkit-box-orient: vertical;
	overflow: hidden;
}

.reference-meta {
	display: flex;
	flex-direction: column;
	gap: 4px;
	font-size: 12px;
	color: #666;
	margin-bottom: 12px;
}

.reference-location {
	display: flex;
	align-items: center;
	gap: 6px;
	font-size: 12px;
	color: #666;
}

.reference-excerpt {
	font-size: 13px;
	line-height: 1.5;
	color: #666;
	display: -webkit-box;
	-webkit-line-clamp: 2;
	-webkit-box-orient: vertical;
	overflow: hidden;
	margin: 0;
	flex: 1;
	margin-bottom: 12px;
}

.reference-link {
	display: inline-block;
	font-size: 12px;
	font-weight: 600;
	text-transform: uppercase;
	letter-spacing: 0.5px;
	color: #333;
	text-decoration: none;
	padding-bottom: 4px;
	border-bottom: 2px solid #333;
	transition: all 0.3s ease;
	margin-top: auto;
}

.reference-link:hover {
	color: #666;
	border-bottom-color: #666;
}

/* ============================================
   No Results
   ============================================ */

.archub-references-no-results {
	grid-column: 1 / -1;
	text-align: center;
	padding: 60px 20px;
	font-size: 16px;
	color: #666;
	background-color: #f9f9f9;
	border-radius: 4px;
}

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

.references-load-more {
	display: block;
	margin: 40px auto 0;
	padding: 12px 30px;
}

/* ============================================
   Responsive Design
   ============================================ */

/* Tablet */
@media (max-width: 1024px) {
	.references-grid {
		grid-template-columns: repeat(2, 1fr);
		gap: 25px;
	}

	.references-filters {
		gap: 12px;
	}

	.filter-group {
		flex: 1 1 calc(50% - 6px);
		min-width: auto;
	}
}

/* Mobile */
@media (max-width: 768px) {
	.references-grid {
		grid-template-columns: 1fr;
		gap: 20px;
	}

	.references-filters {
		flex-direction: column;
		gap: 15px;
	}

	.filter-group {
		flex: 1;
		width: 100%;
		min-width: 100%;
	}

	.references-search-input,
	.references-country-filter,
	.references-city-filter,
	.references-year-filter {
		width: 100%;
		box-sizing: border-box;
	}

	.checkbox-wrapper {
		flex: 1 1 100%;
	}

	.references-clear-filters {
		width: 100%;
		margin-left: 0;
		margin-top: 10px;
	}

	.reference-content {
		padding: 16px;
	}

	.reference-title {
		font-size: 15px;
	}

	.references-load-more {
		width: 100%;
		margin: 20px 0 0;
	}
}

/* Small Mobile */
@media (max-width: 480px) {
	.references-filter-wrapper {
		margin-bottom: 30px;
		padding-bottom: 20px;
	}

	.references-grid {
		gap: 15px;
		margin-bottom: 30px;
	}

	.reference-image-wrapper {
		padding-bottom: 120%;
	}

	.reference-content {
		padding: 12px;
	}

	.reference-title {
		font-size: 14px;
		margin-bottom: 8px;
	}

	.reference-excerpt {
		font-size: 12px;
		margin-bottom: 8px;
	}

	.filter-tag {
		padding: 4px 8px;
		font-size: 11px;
	}

	.references-result-info {
		font-size: 12px;
	}
}

/* ============================================
   Utility Classes
   ============================================ */

.disabled {
	opacity: 0.5;
	cursor: not-allowed;
	pointer-events: none;
}

.text-center {
	text-align: center;
}

.mt-20 {
	margin-top: 20px;
}

.mb-20 {
	margin-bottom: 20px;
}

/* ============================================
   Animations
   ============================================ */

@keyframes fadeInUp {
	from {
		opacity: 0;
		transform: translateY(20px);
	}
	to {
		opacity: 1;
		transform: translateY(0);
	}
}

.fade-in-up {
	animation: fadeInUp 0.5s ease;
}

/* ============================================
   Layout Styles
   ============================================ */

/* Default Grid Layout */
.layout-default .references-grid {
	display: grid;
	grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
	gap: 20px;
}

/* 16:9 Grid Layout */
.layout-ratio-16-9 .references-grid {
	display: grid;
	grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
	gap: 20px;
}

.layout-ratio-16-9 .reference-item {
	aspect-ratio: 16 / 9;
	overflow: hidden;
}

.layout-ratio-16-9 .reference-card {
	width: 100%;
	height: 100%;
}

.layout-ratio-16-9 .reference-image-wrapper {
	position: relative;
	width: 100%;
	height: 100%;
	padding-bottom: 0;
	overflow: hidden;
}

.layout-ratio-16-9 .reference-image-wrapper img,
.layout-ratio-16-9 .reference-image {
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	object-fit: cover;
}

.layout-ratio-16-9 .reference-overlay {
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	background: linear-gradient(to top, rgba(0, 0, 0, 0.7) 0%, rgba(0, 0, 0, 0) 60%);
	z-index: 1;
}

.layout-ratio-16-9 .reference-info {
	position: absolute;
	bottom: 0;
	left: 0;
	right: 0;
	padding: 20px;
	z-index: 2;
	color: #fff;
}

/* Masonry Layout - CSS Grid Based */
.layout-masonry .references-grid {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	grid-auto-rows: 10px;
	gap: 20px;
	align-items: start;
}

.layout-masonry .reference-item {
	width: 100%;
	overflow: hidden;
}

.layout-masonry .reference-card {
	width: 100%;
	height: 100%;
}

.layout-masonry .reference-image-wrapper {
	position: relative;
	width: 100%;
	height: auto;
	padding-bottom: 0;
	overflow: hidden;
}

.layout-masonry .reference-image-wrapper img,
.layout-masonry .reference-image {
	width: 100%;
	height: auto;
	display: block;
	object-fit: cover;
	position: relative;
}

.layout-masonry .reference-overlay {
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	background: linear-gradient(to top, rgba(0, 0, 0, 0.7) 0%, rgba(0, 0, 0, 0) 60%);
	z-index: 1;
}

.layout-masonry .reference-info {
	position: absolute;
	bottom: 0;
	left: 0;
	right: 0;
	padding: 20px;
	z-index: 2;
	color: #fff;
}

/* Masonry Responsive */
@media (max-width: 992px) {
	.layout-masonry .references-grid {
		grid-template-columns: repeat(2, 1fr);
	}
}

@media (max-width: 576px) {
	.layout-masonry .references-grid {
		grid-template-columns: 1fr;
	}
}