/**
 * Universal Post & RSS Loop - Frontend Stylesheet (v2.0.0)
 * Prefix: .upr-
 */

.upr-container {
	width: 100%;
	box-sizing: border-box;
}

/* Top Controls: Live Search & Category Filter Tabs */
.upr-top-controls {
	display: flex;
	flex-wrap: wrap;
	gap: 16px;
	align-items: center;
	justify-content: space-between;
	margin-bottom: 24px;
}

/* Live Search Input */
.upr-live-search-wrap {
	position: relative;
	min-width: 260px;
	flex-grow: 1;
	max-width: 400px;
}

.upr-search-icon {
	position: absolute;
	left: 12px;
	top: 50%;
	transform: translateY(-50%);
	font-size: 0.9rem;
	opacity: 0.6;
}

.upr-live-search-input {
	width: 100%;
	padding: 10px 14px 10px 36px;
	font-size: 0.925rem;
	border: 1px solid #cbd5e1;
	border-radius: 30px;
	outline: none;
	transition: all 0.2s ease;
	background: #ffffff;
	box-sizing: border-box;
}

.upr-live-search-input:focus {
	border-color: #2563eb;
	box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

/* Category Filter Tabs */
.upr-filter-tabs {
	display: flex;
	flex-wrap: wrap;
	gap: 8px;
	align-items: center;
}

.upr-filter-btn {
	background: #f1f5f9;
	color: #475569;
	border: 1px solid #e2e8f0;
	padding: 6px 16px;
	border-radius: 20px;
	font-size: 0.85rem;
	font-weight: 600;
	cursor: pointer;
	transition: all 0.2s ease;
}

.upr-filter-btn:hover,
.upr-filter-btn.active {
	background: #2563eb;
	color: #ffffff;
	border-color: #2563eb;
	box-shadow: 0 4px 10px rgba(37, 99, 235, 0.2);
}

/* Main Loop Bounding Grid */
.upr-loop {
	display: grid;
	gap: 24px;
	width: 100%;
	box-sizing: border-box;
}

/* Grid Layout Columns - Equal Height Rows */
.upr-layout-grid {
	align-items: stretch;
}

.upr-layout-grid.upr-cols-1 { grid-template-columns: 1fr; }
.upr-layout-grid.upr-cols-2 { grid-template-columns: repeat(2, 1fr); }
.upr-layout-grid.upr-cols-3 { grid-template-columns: repeat(3, 1fr); }
.upr-layout-grid.upr-cols-4 { grid-template-columns: repeat(4, 1fr); }
.upr-layout-grid.upr-cols-5 { grid-template-columns: repeat(5, 1fr); }
.upr-layout-grid.upr-cols-6 { grid-template-columns: repeat(6, 1fr); }

/* List Layout */
.upr-layout-list {
	display: flex;
	flex-direction: column;
	gap: 20px;
}

.upr-layout-list .upr-item {
	display: flex;
	flex-direction: row;
	align-items: stretch;
}

.upr-layout-list .upr-item-image {
	width: 260px;
	flex-shrink: 0;
	aspect-ratio: auto !important;
	height: auto;
}

.upr-layout-list .upr-item-image img {
	position: absolute;
	top: 0; left: 0; width: 100%; height: 100%;
	object-fit: cover !important;
}

/* Horizontal Layout */
.upr-layout-horizontal {
	display: flex;
	flex-direction: row;
	overflow-x: auto;
	padding-bottom: 16px;
	gap: 20px;
	align-items: stretch;
}

.upr-layout-horizontal .upr-item {
	min-width: 300px;
	max-width: 320px;
	flex-shrink: 0;
}

/* Item Wrapper */
.upr-item-wrapper {
	display: flex;
	flex-direction: column;
	height: 100%;
}

.upr-page-hidden,
.upr-search-hidden,
.upr-filter-hidden {
	display: none !empty !important;
}

/* Base Card Structure */
.upr-item {
	position: relative;
	display: flex;
	flex-direction: column;
	height: 100%;
	overflow: hidden;
	transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.3s cubic-bezier(0.16, 1, 0.3, 1);
	box-sizing: border-box;
	border: 1px solid var(--upr-border-color, #e2e8f0);
}

.upr-card-clickable {
	cursor: pointer;
}

/* Border Radius Controls */
.upr-radius-none, .upr-radius-none .upr-item-image { border-radius: 0 !important; }
.upr-radius-small { border-radius: 6px !important; }
.upr-radius-medium { border-radius: 12px !important; }
.upr-radius-large { border-radius: 20px !important; }
.upr-radius-full { border-radius: 32px !important; }

/* Box Shadow Controls */
.upr-shadow-none { box-shadow: none !important; }
.upr-shadow-soft { box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03) !important; }
.upr-shadow-floating { box-shadow: 0 12px 30px -8px rgba(0, 0, 0, 0.09) !important; }
.upr-shadow-heavy { box-shadow: 0 20px 35px -5px rgba(0, 0, 0, 0.16) !important; }

/* Card Padding Controls */
.upr-padding-compact .upr-item-content { padding: 12px 14px; }
.upr-padding-normal .upr-item-content  { padding: 20px; }
.upr-padding-spacious .upr-item-content { padding: 28px; }

/* Title Font Sizes */
.upr-title-font-small  { font-size: 1.0rem !important; }
.upr-title-font-medium { font-size: 1.15rem !important; }
.upr-title-font-large  { font-size: 1.35rem !important; }
.upr-title-font-xlarge { font-size: 1.60rem !important; }

/* Excerpt Font Sizes */
.upr-excerpt-font-small  { font-size: 0.85rem !important; }
.upr-excerpt-font-medium { font-size: 0.925rem !important; }
.upr-excerpt-font-large  { font-size: 1.05rem !important; }

/* Fixed Aspect Ratio Image Bounding Box */
.upr-item-image {
	position: relative;
	width: 100%;
	overflow: hidden;
	background-color: #e2e8f0;
	flex-shrink: 0;
}

.upr-ratio-16-9 { aspect-ratio: 16 / 9; padding-top: 56.25%; }
.upr-ratio-4-3  { aspect-ratio: 4 / 3; padding-top: 75%; }
.upr-ratio-1-1  { aspect-ratio: 1 / 1; padding-top: 100%; }
.upr-ratio-3-2  { aspect-ratio: 3 / 2; padding-top: 66.66%; }
.upr-ratio-auto { aspect-ratio: 16 / 9; padding-top: 56.25%; }

.upr-item-image img,
.upr-item-image a img {
	position: absolute;
	top: 0;
	left: 0;
	width: 100% !important;
	height: 100% !important;
	object-fit: cover !important;
	object-position: center center !important;
	display: block;
	transition: transform 0.4s ease, filter 0.4s ease;
}

/* Image Hover Effects */
.upr-img-hover-zoom:hover .upr-item-image img { transform: scale(1.07); }
.upr-img-hover-brighten:hover .upr-item-image img { filter: brightness(1.15); }
.upr-img-hover-none:hover .upr-item-image img { transform: none; filter: none; }

/* Image Badge Overlay */
.upr-image-badge-overlay {
	position: absolute;
	top: 14px;
	left: 14px;
	z-index: 3;
}

/* Content Container */
.upr-item-content {
	display: flex;
	flex-direction: column;
	flex-grow: 1;
	justify-content: space-between;
}

/* Meta Tags & Badges */
.upr-item-meta {
	font-size: 0.8rem;
	color: var(--upr-meta-color, #64748b);
	margin-bottom: 12px;
	display: flex;
	flex-wrap: wrap;
	gap: 8px;
	align-items: center;
	font-weight: 500;
}

.upr-meta-source {
	background: var(--upr-badge-bg, #e0f2fe);
	color: var(--upr-badge-color, #0369a1);
	padding: 4px 10px;
	border-radius: 6px;
	font-size: 0.75rem;
	font-weight: 600;
}

.upr-meta-source a {
	color: inherit;
	text-decoration: none;
}

.upr-meta-category {
	background: var(--upr-badge-bg, #f1f5f9);
	color: var(--upr-badge-color, #475569);
	padding: 4px 10px;
	border-radius: 6px;
	font-size: 0.75rem;
}

.upr-meta-date, .upr-meta-author, .upr-meta-read-time {
	font-size: 0.78rem;
}

/* Title Styling */
.upr-item-title {
	line-height: 1.4;
	margin: 0 0 10px 0;
	font-weight: 700;
	color: var(--upr-title-color, #0f172a);
}

.upr-item-title a {
	color: var(--upr-title-color, #0f172a);
	text-decoration: none;
	transition: color 0.2s ease;
}

.upr-item-title a:hover {
	color: var(--upr-title-hover-color, #2563eb);
}

/* Excerpt Styling */
.upr-item-excerpt {
	color: var(--upr-excerpt-color, #475569);
	line-height: 1.55;
	margin-bottom: 16px;
	flex-grow: 1;
}

.upr-item-excerpt p {
	margin: 0;
}

/* Card Footer & Social Share */
.upr-item-footer {
	margin-top: auto;
	display: flex;
	align-items: center;
	justify-content: space-between;
	flex-wrap: wrap;
	gap: 12px;
	padding-top: 8px;
}

.upr-social-share-wrap {
	display: flex;
	gap: 6px;
	align-items: center;
}

.upr-social-btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	width: 32px;
	height: 32px;
	border-radius: 50%;
	background: #f1f5f9;
	text-decoration: none;
	font-size: 0.85rem;
	transition: all 0.2s ease;
}

.upr-social-btn:hover {
	transform: scale(1.15);
	background: #e2e8f0;
}

/* Button Styling */
.upr-item-action {
	margin-top: auto;
}

.upr-read-more {
	font-weight: 600;
	text-decoration: none;
	transition: all 0.25s ease;
	box-sizing: border-box;
}

/* Button Width */
.upr-btn-width-auto { display: inline-block; }
.upr-btn-width-full { display: block; width: 100%; text-align: center; }

/* Button Variants */
.upr-btn-link {
	color: var(--upr-btn-color, #2563eb);
	background: transparent;
	padding: 0;
}
.upr-btn-link:hover {
	color: var(--upr-btn-hover-bg, #1d4ed8);
	text-decoration: underline;
}

.upr-btn-solid {
	background: var(--upr-btn-bg, #2563eb);
	color: var(--upr-btn-color, #ffffff) !important;
	padding: 10px 20px;
	border-radius: 6px;
	box-shadow: 0 2px 4px rgba(37, 99, 235, 0.2);
}
.upr-btn-solid:hover {
	background: var(--upr-btn-hover-bg, #1d4ed8);
	color: var(--upr-btn-color, #ffffff) !important;
	transform: translateY(-1px);
}

.upr-btn-outline {
	background: transparent;
	color: var(--upr-btn-bg, #2563eb) !important;
	border: 2px solid var(--upr-btn-bg, #2563eb);
	padding: 8px 18px;
	border-radius: 6px;
}
.upr-btn-outline:hover {
	background: var(--upr-btn-bg, #2563eb);
	color: var(--upr-btn-color, #ffffff) !important;
}

.upr-btn-pill {
	background: var(--upr-btn-bg, #2563eb);
	color: var(--upr-btn-color, #ffffff) !important;
	padding: 10px 24px;
	border-radius: 50px;
	box-shadow: 0 2px 6px rgba(37, 99, 235, 0.25);
}
.upr-btn-pill:hover {
	background: var(--upr-btn-hover-bg, #1d4ed8);
}

/* Preset Styles */
.upr-style-classic {
	background: var(--upr-card-bg, #ffffff);
}
.upr-style-classic:hover {
	transform: translateY(-4px);
}

.upr-style-modern {
	background: var(--upr-card-bg, #ffffff);
	border: none;
}
.upr-style-modern:hover {
	transform: translateY(-5px);
}
.upr-style-modern .upr-image-badge-overlay .upr-meta-source,
.upr-style-modern .upr-image-badge-overlay .upr-meta-category {
	background: rgba(15, 23, 42, 0.85);
	backdrop-filter: blur(4px);
	-webkit-backdrop-filter: blur(4px);
	color: #ffffff;
	border-radius: 30px;
	padding: 4px 12px;
	box-shadow: 0 4px 10px rgba(0,0,0,0.15);
}

.upr-style-minimal {
	background: var(--upr-card-bg, transparent);
	border: none;
	border-bottom: 2px solid #e2e8f0;
	box-shadow: none !important;
	border-radius: 0 !important;
}
.upr-style-minimal:hover {
	transform: none;
	box-shadow: none !important;
	border-bottom-color: var(--upr-btn-bg, #2563eb);
}
.upr-style-minimal .upr-item-image {
	border-radius: 8px;
}

.upr-style-overlay {
	position: relative;
	min-height: 380px;
	display: flex;
	flex-direction: column;
	justify-content: flex-end;
	background: #0f172a;
	border: none;
}
.upr-style-overlay .upr-item-image {
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	z-index: 1;
	aspect-ratio: auto !important;
	padding-top: 0 !important;
}
.upr-style-overlay .upr-item-image img {
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	object-fit: cover !important;
}
.upr-style-overlay::after {
	content: '';
	position: absolute;
	inset: 0;
	background: linear-gradient(180deg, rgba(15, 23, 42, 0.1) 0%, rgba(15, 23, 42, 0.65) 45%, rgba(15, 23, 42, 0.95) 100%);
	z-index: 2;
	pointer-events: none;
}
.upr-style-overlay .upr-item-content {
	position: relative;
	z-index: 3;
	margin-top: auto;
	background: transparent !important;
}
.upr-style-overlay .upr-item-title,
.upr-style-overlay .upr-item-title a {
	color: #ffffff !important;
	text-shadow: 0 1px 3px rgba(0, 0, 0, 0.6);
}
.upr-style-overlay .upr-item-excerpt {
	color: rgba(255, 255, 255, 0.85) !important;
	text-shadow: 0 1px 2px rgba(0, 0, 0, 0.5);
}
.upr-style-overlay .upr-meta-date,
.upr-style-overlay .upr-meta-author {
	color: rgba(255, 255, 255, 0.75) !important;
}

.upr-style-glass {
	background: var(--upr-card-bg, rgba(255, 255, 255, 0.75));
	backdrop-filter: blur(16px);
	-webkit-backdrop-filter: blur(16px);
	border: 1px solid rgba(255, 255, 255, 0.5);
}
.upr-style-glass:hover {
	transform: translateY(-4px);
	background: rgba(255, 255, 255, 0.85);
}

/* Pagination & Load More */
.upr-pagination-wrap,
.upr-numeric-pagination-wrap {
	margin-top: 32px;
	text-align: center;
}

.upr-load-more-btn {
	padding: 12px 28px;
	font-size: 0.95rem;
	font-weight: 700;
	border-radius: 30px;
	cursor: pointer;
	background: #2563eb;
	color: #ffffff !important;
	border: none;
	box-shadow: 0 4px 12px rgba(37, 99, 235, 0.25);
	transition: all 0.25s ease;
}

.upr-load-more-btn:hover {
	background: #1d4ed8;
	transform: translateY(-2px);
}

.upr-numeric-pagination-wrap {
	display: flex;
	gap: 8px;
	justify-content: center;
}

.upr-page-num {
	width: 38px;
	height: 38px;
	border-radius: 50%;
	border: 1px solid #cbd5e1;
	background: #ffffff;
	color: #334155;
	font-weight: 600;
	cursor: pointer;
	transition: all 0.2s ease;
}

.upr-page-num.active,
.upr-page-num:hover {
	background: #2563eb;
	color: #ffffff;
	border-color: #2563eb;
}

.upr-no-items {
	padding: 24px;
	background: #f8fafc;
	border: 1px dashed #cbd5e1;
	border-radius: 8px;
	text-align: center;
	color: #64748b;
}

/* Responsive Media Queries */
@media (max-width: 1024px) {
	.upr-layout-grid.upr-cols-4,
	.upr-layout-grid.upr-cols-5,
	.upr-layout-grid.upr-cols-6 {
		grid-template-columns: repeat(3, 1fr);
	}
}

@media (max-width: 768px) {
	.upr-top-controls {
		flex-direction: column;
		align-items: stretch;
	}
	.upr-live-search-wrap {
		max-width: 100%;
	}

	.upr-layout-grid.upr-cols-3,
	.upr-layout-grid.upr-cols-4,
	.upr-layout-grid.upr-cols-5,
	.upr-layout-grid.upr-cols-6 {
		grid-template-columns: repeat(2, 1fr);
	}

	.upr-layout-list .upr-item {
		flex-direction: column;
	}

	.upr-layout-list .upr-item-image {
		width: 100%;
	}
}

@media (max-width: 480px) {
	.upr-layout-grid.upr-cols-2,
	.upr-layout-grid.upr-cols-3 {
		grid-template-columns: 1fr;
	}
}