/**
 * Mobilet Social Feed Slider - Frontend Styles
 *
 * @package MobiletSocialFeedSlider
 * @since 1.0.0
 */

/* CSS Variables */
:root {
	--msfs-padding: 1rem;
	--msfs-overlay-color: rgba(0, 0, 0, 0.7);
	--msfs-border-radius: 4px;
	--msfs-transition-duration: 0.3s;
	--msfs-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
	--msfs-shadow-hover: 0 4px 16px rgba(0, 0, 0, 0.15);
}

/* Main Feed Container */
.msfs-feed {
	position: relative;
	margin: var(--msfs-padding) 0;
	font-family: inherit;
}

.msfs-feed-container {
	position: relative;
	overflow: hidden;
}

/* Feed Items Grid */
.msfs-feed-items {
	display: grid;
	gap: 0;
	transition: transform var(--msfs-transition-duration) ease;
}

/* Grid Mode - Desktop (4 items per row) */
@media (min-width: 1024px) {
	.msfs-feed-items {
		grid-template-columns: repeat(4, 1fr);
	}
}

/* Grid Mode - Tablet (3 items per row) */
@media (min-width: 768px) and (max-width: 1023px) {
	.msfs-feed-items {
		grid-template-columns: repeat(3, 1fr);
	}
}

/* Grid Mode - Mobile (2 items per row) */
@media (max-width: 767px) {
	.msfs-feed-items {
		grid-template-columns: repeat(2, 1fr);
	}
}

/* Carousel Mode */
.msfs-feed-items.carousel-mode {
	display: flex;
	gap: 0;
	transform: translateX(0);
}

.msfs-feed-items.carousel-mode .msfs-feed-item {
	flex: 0 0 auto;
	width: 25%; /* Desktop default */
}

@media (min-width: 768px) and (max-width: 1023px) {
	.msfs-feed-items.carousel-mode .msfs-feed-item {
		width: 33.333%; /* Tablet */
	}
}

@media (max-width: 767px) {
	.msfs-feed-items.carousel-mode .msfs-feed-item {
		width: 50%; /* Mobile */
	}
}

/* Individual Feed Item */
.msfs-feed-item {
	position: relative;
	aspect-ratio: 1 / 1;
	overflow: hidden;
	background: #f5f5f5;
}

/* Fallback for older browsers */
@supports not (aspect-ratio: 1 / 1) {
	.msfs-feed-item::before {
		content: '';
		display: block;
		padding-top: 100%;
	}
}

.msfs-feed-item-image {
	position: absolute;
	inset: 0;
	z-index: 1;
	display: block;
}

.msfs-feed-item-image img {
	display: block;
	width: 100%;
	height: 100%;
	object-fit: cover;
	object-position: center;
	opacity: 1;
	transition: transform var(--msfs-transition-duration) ease;
}

/* Feed Item Link */
.msfs-feed-item-link {
	display: block;
	width: 100%;
	height: 100%;
	text-decoration: none;
	color: inherit;
	position: relative;
	overflow: hidden;
}

.msfs-feed-item-link:hover .msfs-feed-item-image img {
	transform: scale(1.05);
}

/* Hover Overlay */
.msfs-feed-item-overlay {
	position: absolute;
	inset: 0;
	background: rgb(195 0 7 / 81%);
	opacity: 0;
	transition: opacity var(--msfs-transition-duration) ease;
	display: flex;
	align-items: center;
	justify-content: center;
	text-align: center;
	color: #fff !important;
	z-index: 2;
	pointer-events: none;
}

.msfs-feed-item-link:hover .msfs-feed-item-overlay,
.msfs-feed-item:focus-within .msfs-feed-item-overlay {
	opacity: 1;
	pointer-events: auto;
}

.msfs-overlay-content {
	padding: 1rem;
}

.msfs-platform-name {
	display: block;
	font-size: 1.1em;
	font-weight: 600;
	margin-bottom: 0.5rem;
	text-transform: capitalize;
}

.msfs-new-tab-hint {
	display: block;
	font-size: 0.9em;
	opacity: 0.9;
}

/* Navigation Controls */
.msfs-feed-navigation {
	position: absolute;
	top: 50%;
	transform: translateY(-50%);
	z-index: 10;
	display: flex;
	justify-content: space-between;
	width: 100%;
	pointer-events: none;
}

.msfs-nav-prev,
.msfs-nav-next {
	width: 40px;
	height: 40px;
	border: none;
	background: rgba(255, 255, 255, 0.9);
	color: #333;
	border-radius: 50%;
	cursor: pointer;
	display: flex;
	align-items: center;
	justify-content: center;
	transition: all var(--msfs-transition-duration) ease;
	pointer-events: auto;
	box-shadow: var(--msfs-shadow);
}

.msfs-nav-prev:hover,
.msfs-nav-next:hover {
	background: #fff;
	box-shadow: var(--msfs-shadow-hover);
	transform: scale(1.1);
}

.msfs-nav-prev:disabled,
.msfs-nav-next:disabled {
	opacity: 0.5;
	cursor: not-allowed;
	transform: none;
}

.msfs-nav-prev:disabled:hover,
.msfs-nav-next:disabled:hover {
	background: rgba(255, 255, 255, 0.9);
	box-shadow: var(--msfs-shadow);
	transform: none;
}

.msfs-nav-icon {
	font-size: 1.5em;
	line-height: 1;
	font-weight: bold;
}

/* Focus Styles for Accessibility */
.msfs-feed-item-link:focus,
.msfs-nav-prev:focus,
.msfs-nav-next:focus {
	outline: 2px solid #0073aa;
	outline-offset: 2px;
}

/* Error States */
.msfs-error {
	padding: 1rem;
	background: #fef7f1;
	border: 1px solid #dc3232;
	border-radius: var(--msfs-border-radius);
	color: #dc3232;
	margin: var(--msfs-padding) 0;
}

/* Loading State */
.msfs-feed.loading {
	opacity: 0.7;
	pointer-events: none;
}

.msfs-feed.loading::after {
	content: '';
	position: absolute;
	top: 50%;
	left: 50%;
	transform: translate(-50%, -50%);
	width: 30px;
	height: 30px;
	border: 3px solid #f3f3f3;
	border-top: 3px solid #0073aa;
	border-radius: 50%;
	animation: msfs-spin 1s linear infinite;
}

@keyframes msfs-spin {
	0% { transform: translate(-50%, -50%) rotate(0deg); }
	100% { transform: translate(-50%, -50%) rotate(360deg); }
}

/* Responsive Adjustments */
@media (max-width: 480px) {
	.msfs-nav-prev,
	.msfs-nav-next {
		width: 35px;
		height: 35px;
	}
	
	.msfs-nav-icon {
		font-size: 1.2em;
	}
	
	.msfs-overlay-content {
		padding: 0.75rem;
	}
	
	.msfs-platform-name {
		font-size: 1em;
	}
	
	.msfs-new-tab-hint {
		font-size: 0.8em;
	}
}

/* High Contrast Mode Support */
@media (prefers-contrast: high) {
	.msfs-feed-item-overlay {
		background: rgba(0, 0, 0, 0.9);
	}
	
	.msfs-nav-prev,
	.msfs-nav-next {
		background: #fff;
		border: 2px solid #000;
	}
}

/* Reduced Motion Support */
@media (prefers-reduced-motion: reduce) {
	.msfs-feed-items,
	.msfs-feed-item-image img,
	.msfs-feed-item-overlay,
	.msfs-nav-prev,
	.msfs-nav-next {
		transition: none;
	}
	
	.msfs-feed-item-link:hover .msfs-feed-item-image img {
		transform: none;
	}
	
	.msfs-nav-prev:hover,
	.msfs-nav-next:hover {
		transform: none;
	}
}

/* Print Styles */
@media print {
	.msfs-feed-navigation {
		display: none;
	}
	
	.msfs-feed-item-overlay {
		display: none;
	}
	
	.msfs-feed-items {
		display: grid !important;
		grid-template-columns: repeat(4, 1fr) !important;
	}
}