/**
 * Lazy Video Loader CSS
 * Responsive video container with loading states
 */

/* Video Container */
.lvl-video-container {
	position: relative;
	width: 100%;
	max-width: 100%;
	background-color: #000;
	overflow: hidden;
	aspect-ratio: 16/9;
}

/* Support for older browsers without aspect-ratio */
@supports not (aspect-ratio: 16 / 9) {
	.lvl-video-container {
		padding-bottom: 56.25%;
		height: 0;
	}
	
	.lvl-video-container video, .lvl-video-container .lvl-video-placeholder {
		position: absolute;
		top: 0;
		left: 0;
		width: 100%;
		height: 100%;
	}
}

/* Video Element */
.lvl-video {
	width: 100%;
	height: 100%;
	object-fit: contain;
	background-color: #000;
	display: block;
}

/* Video Placeholder */
.lvl-video-placeholder {
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	cursor: pointer;
	display: flex;
	align-items: center;
	justify-content: center;
	background-color: rgba(0, 0, 0, .1);
	transition: background-color .3s ease;
}

.lvl-video-placeholder:hover {
	background-color: rgba(0, 0, 0, .2);
}

/* Poster Image */
.lvl-poster-image {
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	object-fit: cover;
	z-index: 1;
}

/* Play Button */
.lvl-play-button {
	position: relative;
	z-index: 3;
	width: 68px;
	height: 48px;
	border: none;
	background: transparent;
	cursor: pointer;
	padding: 0;
	transition: transform .2s ease;
}

.lvl-play-button:hover {
	transform: scale(1.1);
}

.lvl-play-button:focus {
	outline: 2px solid #fff;
	outline-offset: 2px;
}

.lvl-play-icon {
	width: 100%;
	height: 100%;
	display: block;
}

/* Loading Text */
.lvl-loading-text {
	position: absolute;
	bottom: 20px;
	left: 50%;
	transform: translateX(-50%);
	color: #fff;
	font-size: 14px;
	padding: 8px 16px;
	background-color: rgba(0, 0, 0, .7);
	border-radius: 4px;
	z-index: 2;
	white-space: nowrap;
}

/* Loading Spinner */
.lvl-loading-spinner {
	position: absolute;
	top: 50%;
	left: 50%;
	transform: translate(-50%, -50%);
	z-index: 10;
}

.lvl-spinner {
	width: 50px;
	height: 50px;
	border: 3px solid rgba(255, 255, 255, .3);
	border-top-color: #fff;
	border-radius: 50%;
	animation: lvl-spin 1s linear infinite;
}

@keyframes lvl-spin {
	0% {
		transform: rotate(0deg);
	}
	
	100% {
		transform: rotate(360deg);
	}
}

/* States */
.lvl-video-container.lvl-loaded .lvl-video-placeholder {
	display: none;
}

.lvl-video-container.lvl-error {
	background-color: #222;
	display: flex;
	align-items: center;
	justify-content: center;
}

.lvl-video-container.lvl-error::after {
	content: "Error loading video";
	color: #fff;
	font-size: 16px;
	padding: 10px 20px;
	background-color: rgba(255, 0, 0, .7);
	border-radius: 4px;
}

/* Responsive adjustments */
@media (max-width: 768px) {
	.lvl-play-button {
		width: 60px;
		height: 42px;
	}
	
	.lvl-loading-text {
		font-size: 12px;
		padding: 6px 12px;
		bottom: 15px;
	}
	
	.lvl-spinner {
		width: 40px;
		height: 40px;
	}
}

@media (max-width: 480px) {
	.lvl-play-button {
		width: 50px;
		height: 35px;
	}
	
	.lvl-loading-text {
		font-size: 11px;
		padding: 5px 10px;
		bottom: 10px;
	}
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
	.lvl-spinner {
		animation: none;
		border-top-color: transparent;
	}
	
	.lvl-video-placeholder, .lvl-play-button {
		transition: none;
	}
}

/* Dark mode support */
@media (prefers-color-scheme: dark) {
	.lvl-video-container {
		background-color: #000;
	}
}

/* Focus visible for keyboard navigation */
.lvl-play-button:focus-visible {
	outline: 3px solid #4caf50;
	outline-offset: 3px;
}

/* Hide focus outline for mouse users */
.lvl-play-button:focus:not(:focus-visible) {
	outline: none;
}