/* Better Inline Related Posts - Frontend Styles */

/* CSS Custom Properties - Set defaults, overridden by PHP via wp_add_inline_style */
:root {
	--birp-primary-color: #2271b1;
	--birp-secondary-color: #e1e4e8;
	--birp-text-color: #666666;
	--birp-heading-color: #1a1a1a;
	--birp-bg-color: #ffffff;
	--birp-container-bg-color: #f9f9f9;
	--birp-heading-font-family: inherit;
	--birp-heading-font-size: 28px;
	--birp-heading-font-weight: 600;
	--birp-body-font-family: inherit;
	--birp-body-font-size: 16px;
	--birp-line-height: 1.6;
	--birp-letter-spacing: 0px;
}

.birp-container {
	margin: 40px 0;
	padding: 30px;
	background: var(--birp-container-bg-color);
	border: 1px solid var(--birp-secondary-color);
	border-radius: 8px;
	font-family: var(--birp-body-font-family);
	color: var(--birp-text-color);
	line-height: var(--birp-line-height);
	letter-spacing: var(--birp-letter-spacing);
}

.birp-title {
	margin: 0 0 25px 0;
	padding: 0 0 15px 0;
	font-size: var(--birp-heading-font-size);
	font-weight: var(--birp-heading-font-weight);
	font-family: var(--birp-heading-font-family);
	color: var(--birp-heading-color);
	border-bottom: 2px solid var(--birp-primary-color);
	line-height: 1.3;
}

.birp-posts-wrapper {
	display: grid;
	gap: 20px;
	grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

/* Grid Layout */
.birp-layout-grid {
	grid-template-columns: repeat(var(--birp-columns, 3), 1fr);
}

.birp-layout-grid .birp-posts-wrapper {
	display: grid;
	grid-template-columns: repeat(var(--birp-columns, 3), 1fr);
	gap: 20px;
}

/* List Layout */
.birp-layout-list .birp-posts-wrapper {
	display: block;
}

.birp-layout-list .birp-post-item {
	display: flex;
	gap: 20px;
	padding: 20px;
	background: var(--birp-bg-color);
	border: 1px solid var(--birp-secondary-color);
	border-radius: 4px;
	margin-bottom: 15px;
	transition: all 0.3s ease;
}

.birp-layout-list .birp-post-item:hover {
	border-color: var(--birp-primary-color);
	box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.birp-layout-list .birp-post-thumbnail {
	flex-shrink: 0;
	width: 150px;
	height: 150px;
}

.birp-layout-list .birp-post-content {
	flex: 1;
	display: flex;
	flex-direction: column;
	justify-content: space-between;
}

/* Carousel Layout */
.birp-layout-carousel .birp-posts-wrapper {
	display: flex;
	gap: 20px;
	overflow-x: auto;
	padding-bottom: 10px;
	scroll-behavior: smooth;
}

.birp-layout-carousel .birp-post-item {
	flex: 0 0 300px;
	min-width: 300px;
}

/* Post Item */
.birp-post-item {
	background: var(--birp-bg-color);
	border: 1px solid var(--birp-secondary-color);
	border-radius: 4px;
	overflow: hidden;
	transition: all 0.3s ease;
	display: flex;
	flex-direction: column;
	height: 100%;
}

.birp-post-item:hover {
	border-color: var(--birp-primary-color);
	box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
	transform: translateY(-2px);
}

/* Thumbnail */
.birp-post-thumbnail {
	position: relative;
	overflow: hidden;
	background: var(--birp-secondary-color);
	aspect-ratio: 16 / 9;
}

.birp-post-thumbnail img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	display: block;
	transition: transform 0.3s ease;
}

.birp-post-item:hover .birp-post-thumbnail img {
	transform: scale(1.05);
}

/* Post Content */
.birp-post-content {
	padding: 20px;
	display: flex;
	flex-direction: column;
	flex: 1;
	font-family: var(--birp-body-font-family);
	font-size: var(--birp-body-font-size);
	line-height: var(--birp-line-height);
	letter-spacing: var(--birp-letter-spacing);
}

.birp-post-title {
	margin: 0 0 12px 0;
	padding: 0;
	font-size: calc(var(--birp-heading-font-size) * 0.75);
	font-weight: var(--birp-heading-font-weight);
	font-family: var(--birp-heading-font-family);
	line-height: 1.4;
	color: var(--birp-heading-color);
}

.birp-post-title a {
	color: var(--birp-primary-color);
	text-decoration: none;
	transition: color 0.2s ease;
}

.birp-post-title a:hover {
	color: var(--birp-primary-color);
	opacity: 0.8;
	text-decoration: underline;
}

/* Excerpt */
.birp-post-excerpt {
	margin: 0 0 15px 0;
	padding: 0;
	font-size: calc(var(--birp-body-font-size) * 0.95);
	line-height: var(--birp-line-height);
	color: var(--birp-text-color);
	flex: 1;
	opacity: 0.9;
}

/* Metadata */
.birp-post-meta {
	margin-top: auto;
	padding-top: 12px;
	border-top: 1px solid var(--birp-secondary-color);
	display: flex;
	gap: 15px;
	font-size: calc(var(--birp-body-font-size) * 0.85);
	color: var(--birp-text-color);
	opacity: 0.75;
}

.birp-post-date {
	display: flex;
	align-items: center;
}

/* No Thumbnail Variant */
.birp-post-item:not(:has(.birp-post-thumbnail img)) {
	padding: 20px;
}

.birp-post-item:not(:has(.birp-post-thumbnail img)) .birp-post-thumbnail {
	display: none;
}

/* Responsive Design */
@media (max-width: 1024px) {
	.birp-layout-grid .birp-posts-wrapper {
		grid-template-columns: repeat(2, 1fr);
	}

	.birp-container {
		padding: 20px;
		margin: 30px 0;
	}

	.birp-title {
		font-size: calc(var(--birp-heading-font-size) * 0.85);
		margin-bottom: 20px;
		padding-bottom: 12px;
	}
}

@media (max-width: 768px) {
	.birp-layout-grid .birp-posts-wrapper {
		grid-template-columns: 1fr;
	}

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

	.birp-layout-list .birp-post-thumbnail {
		width: 100%;
		height: auto;
		aspect-ratio: 16 / 9;
	}

	.birp-container {
		padding: 15px;
		margin: 20px 0;
		border-radius: 4px;
	}

	.birp-title {
		font-size: calc(var(--birp-heading-font-size) * 0.75);
		margin-bottom: 15px;
	}

	.birp-post-content {
		padding: 15px;
	}

	.birp-post-title {
		font-size: calc(var(--birp-heading-font-size) * 0.6);
		margin-bottom: 10px;
	}

	.birp-post-excerpt {
		font-size: calc(var(--birp-body-font-size) * 0.9);
		margin-bottom: 12px;
	}

	.birp-post-meta {
		font-size: calc(var(--birp-body-font-size) * 0.8);
	}

	.birp-layout-carousel .birp-post-item {
		flex: 0 0 280px;
		min-width: 280px;
	}
}

@media (max-width: 480px) {
	.birp-layout-grid .birp-posts-wrapper {
		gap: 15px;
	}

	.birp-posts-wrapper {
		gap: 15px;
	}

	.birp-container {
		padding: 12px;
		margin: 15px 0;
		border-radius: 4px;
	}

	.birp-title {
		font-size: calc(var(--birp-heading-font-size) * 0.7);
		margin-bottom: 12px;
		padding-bottom: 10px;
	}

	.birp-post-item:hover {
		transform: none;
	}

	.birp-post-content {
		padding: 12px;
	}

	.birp-post-title {
		font-size: calc(var(--birp-heading-font-size) * 0.55);
	}

	.birp-post-excerpt {
		margin-bottom: 10px;
	}

	.birp-layout-carousel .birp-post-item {
		flex: 0 0 250px;
		min-width: 250px;
	}

	.birp-layout-list .birp-post-item {
		padding: 15px;
		gap: 15px;
	}

	.birp-post-meta {
		flex-wrap: wrap;
	}
}

/* Print Styles */
@media print {
	.birp-container {
		page-break-inside: avoid;
		border: 1px solid #ccc;
		background: #fff;
	}

	.birp-post-item {
		page-break-inside: avoid;
		border: 1px solid #ccc;
		background: #fff;
	}

	.birp-post-item:hover {
		box-shadow: none;
		border-color: #ccc;
	}

	.birp-post-thumbnail img {
		max-width: 100%;
	}
}

/* Accessibility */
.birp-post-title a:focus {
	outline: 2px solid var(--birp-primary-color);
	outline-offset: 2px;
}

/* High Contrast Mode */
@media (prefers-contrast: more) {
	.birp-container {
		border-width: 2px;
	}

	.birp-post-item {
		border-width: 2px;
	}

	.birp-title {
		border-width: 3px;
	}
}

/* Dark Mode Support */
@media (prefers-color-scheme: dark) {
	:root {
		--birp-container-bg-color: #1e1e1e;
		--birp-secondary-color: #444444;
		--birp-heading-color: #ffffff;
		--birp-text-color: #e0e0e0;
		--birp-bg-color: #2a2a2a;
	}

	.birp-container {
		background: var(--birp-container-bg-color);
		border-color: var(--birp-secondary-color);
		color: var(--birp-text-color);
	}

	.birp-title {
		color: var(--birp-heading-color);
		border-color: var(--birp-primary-color);
	}

	.birp-post-item {
		background: var(--birp-bg-color);
		border-color: var(--birp-secondary-color);
	}

	.birp-post-item:hover {
		border-color: var(--birp-primary-color);
		box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
	}

	.birp-post-title {
		color: var(--birp-heading-color);
	}

	.birp-post-title a {
		color: var(--birp-primary-color);
	}

	.birp-post-title a:hover {
		opacity: 0.8;
	}

	.birp-post-excerpt {
		color: var(--birp-text-color);
	}

	.birp-post-meta {
		color: var(--birp-text-color);
		border-color: var(--birp-secondary-color);
	}

	.birp-post-thumbnail {
		background: #333;
	}

	.birp-layout-list .birp-post-item {
		border-color: var(--birp-secondary-color);
	}

	.birp-layout-list .birp-post-item:hover {
		border-color: var(--birp-primary-color);
		box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
	}
}

/* Motion Preferences */
@media (prefers-reduced-motion: reduce) {
	.birp-post-item,
	.birp-post-item:hover,
	.birp-post-thumbnail img,
	.birp-post-title a {
		transition: none;
		animation: none;
	}

	.birp-post-item:hover {
		transform: none;
	}

	.birp-layout-carousel .birp-posts-wrapper {
		scroll-behavior: auto;
	}
}