/**
 * Frontend Styles for DC Studio Video Library
 * Leverages CSS custom properties for easy theme overrides
 */

:root {
	--dc-grid-gap: 24px;
	--dc-card-bg: #ffffff;
	--dc-card-border: 1px solid #e2e8f0;
	--dc-card-radius: 8px;
	--dc-card-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
	--dc-card-shadow-hover: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
	
	--dc-primary-color: #2563eb;
	--dc-primary-hover: #1d4ed8;
	--dc-text-main: #1e293b;
	--dc-text-muted: #64748b;
	
	--dc-badge-video-bg: #3b82f6;
	--dc-badge-short-bg: #ef4444;
	--dc-badge-text-color: #ffffff;
	
	--dc-play-btn-bg: rgba(255, 255, 255, 0.9);
	--dc-play-btn-color: #ef4444;
	--dc-play-btn-hover: #ffffff;
	--dc-play-btn-radius: 50%;
	
	--dc-transition-speed: 0.3s;
}

.dc-videos-wrapper {
	width: 100%;
	margin-bottom: 30px;
	font-family: var(--wp--preset--font-family--system-font, inherit);
}

/* Filter Bar styles */
.dc-video-filters {
	display: flex;
	flex-wrap: wrap;
	gap: 15px;
	margin-bottom: 25px;
	align-items: center;
	justify-content: flex-start;
}

.dc-filter-group {
	display: flex;
	flex-wrap: wrap;
	gap: 8px;
	align-items: center;
}

.dc-filter-label {
	font-weight: 600;
	color: var(--dc-text-main);
	margin-right: 5px;
}

.dc-filter-btn {
	background: #f1f5f9;
	border: 1px solid #e2e8f0;
	color: var(--dc-text-muted);
	padding: 8px 16px;
	border-radius: 20px;
	cursor: pointer;
	font-size: 13px;
	font-weight: 500;
	transition: all var(--dc-transition-speed) ease;
	outline: none;
}

.dc-filter-btn:hover {
	background: #e2e8f0;
	color: var(--dc-text-main);
}

.dc-filter-btn.active {
	background: var(--dc-primary-color);
	color: var(--dc-badge-text-color);
	border-color: var(--dc-primary-color);
}

.dc-filter-btn:focus-visible {
	box-shadow: 0 0 0 2px var(--dc-card-bg), 0 0 0 4px var(--dc-primary-color);
}

/* Grid Layouts */
.dc-videos-grid {
	display: grid;
	gap: var(--dc-grid-gap);
	transition: opacity 0.2s ease-in-out;
}

.dc-videos-grid.loading {
	opacity: 0.5;
	pointer-events: none;
}

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

/* Video Card layouts */
.dc-video-card {
	background: var(--dc-card-bg);
	border: var(--dc-card-border);
	border-radius: var(--dc-card-radius);
	overflow: hidden;
	box-shadow: var(--dc-card-shadow);
	transition: transform var(--dc-transition-speed) ease, box-shadow var(--dc-transition-speed) ease;
	display: flex;
	flex-direction: column;
	height: 100%;
}

.dc-video-card:hover {
	transform: translateY(-4px);
	box-shadow: var(--dc-card-shadow-hover);
}

/* Card Thumbnail Aspect Ratios */
.dc-card-thumbnail-container {
	position: relative;
	width: 100%;
	background-size: cover;
	background-position: center;
	background-repeat: no-repeat;
	cursor: pointer;
}

.dc-video-ratio .dc-card-thumbnail-container {
	aspect-ratio: 16 / 9;
}

.dc-short-ratio .dc-card-thumbnail-container {
	aspect-ratio: 9 / 16;
}

/* Play button overlay */
.dc-play-btn {
	position: absolute;
	top: 50%;
	left: 50%;
	transform: translate(-50%, -50%);
	background: var(--dc-play-btn-bg);
	border: none;
	color: var(--dc-play-btn-color);
	width: 60px;
	height: 60px;
	border-radius: var(--dc-play-btn-radius);
	cursor: pointer;
	display: flex;
	align-items: center;
	justify-content: center;
	box-shadow: 0 4px 10px rgba(0,0,0,0.15);
	transition: all 0.2s ease;
	padding: 0;
	z-index: 2;
}

.dc-play-btn svg {
	margin-left: 4px; /* visually center play icon */
	transition: transform 0.2s ease;
}

.dc-play-btn:hover {
	background: var(--dc-play-btn-hover);
	transform: translate(-50%, -50%) scale(1.1);
}

.dc-play-btn:hover svg {
	transform: scale(1.05);
}

.dc-play-btn:focus-visible {
	box-shadow: 0 0 0 4px rgba(239, 68, 68, 0.4);
}

/* Badges */
.dc-card-badges {
	position: absolute;
	top: 12px;
	left: 12px;
	display: flex;
	flex-direction: column;
	gap: 6px;
	z-index: 2;
}

.dc-badge {
	padding: 4px 10px;
	font-size: 11px;
	font-weight: 700;
	border-radius: 4px;
	text-transform: uppercase;
	color: var(--dc-badge-text-color);
	letter-spacing: 0.5px;
	box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.dc-badge-type.dc-type-youtube-video {
	background-color: var(--dc-badge-video-bg);
}

.dc-badge-type.dc-type-youtube-short {
	background-color: var(--dc-badge-short-bg);
}

/* Iframe Dynamic Swap */
.dc-card-thumbnail-container iframe {
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	border: 0;
}

/* Card Body Content */
.dc-card-content {
	padding: 16px;
	display: flex;
	flex-direction: column;
	flex-grow: 1;
}

.dc-card-meta {
	display: flex;
	justify-content: space-between;
	align-items: center;
	margin-bottom: 8px;
	font-size: 12px;
	color: var(--dc-text-muted);
}

.dc-card-client-types {
	font-weight: 600;
	text-transform: uppercase;
	color: var(--dc-primary-color);
}

.dc-card-title {
	margin: 0 0 12px;
	font-size: 16px;
	line-height: 1.4;
	font-weight: 700;
}

.dc-card-title a {
	color: var(--dc-text-main);
	text-decoration: none;
	transition: color 0.2s ease;
}

.dc-card-title a:hover {
	color: var(--dc-primary-color);
}

/* Metadata lists */
.dc-card-extra-details {
	margin-bottom: 15px;
	font-size: 13px;
	background: #f8fafc;
	padding: 10px;
	border-radius: 6px;
	border: 1px solid #f1f5f9;
}

.dc-detail-row {
	display: flex;
	justify-content: space-between;
	margin-bottom: 4px;
}

.dc-detail-row:last-child {
	margin-bottom: 0;
}

.dc-detail-row .label {
	color: var(--dc-text-muted);
	font-weight: 500;
}

.dc-detail-row .val {
	color: var(--dc-text-main);
	font-weight: 600;
}

.dc-card-action {
	margin-top: auto;
}

.dc-view-btn {
	display: inline-block;
	font-size: 13px;
	font-weight: 600;
	color: var(--dc-primary-color);
	text-decoration: none;
	transition: color 0.2s ease;
}

.dc-view-btn:hover {
	color: var(--dc-primary-hover);
	text-decoration: underline;
}

/* Pagination container */
.dc-videos-pagination {
	display: flex;
	justify-content: center;
	margin-top: 30px;
	gap: 6px;
}

.dc-videos-pagination a,
.dc-videos-pagination span {
	padding: 8px 14px;
	border: 1px solid #e2e8f0;
	border-radius: 6px;
	text-decoration: none;
	color: var(--dc-text-muted);
	font-size: 14px;
	font-weight: 500;
	transition: all 0.2s ease;
}

.dc-videos-pagination a:hover {
	background: #f1f5f9;
	color: var(--dc-text-main);
}

.dc-videos-pagination span.current {
	background: var(--dc-primary-color);
	color: var(--dc-badge-text-color);
	border-color: var(--dc-primary-color);
}

.dc-no-results {
	grid-column: 1 / -1;
	text-align: center;
	padding: 40px 20px;
	font-size: 16px;
	color: var(--dc-text-muted);
	background: #f8fafc;
	border: var(--dc-card-border);
	border-radius: var(--dc-card-radius);
}

/* SINGLE VIDEO PAGE STYLES */
.dc-single-video-article {
	padding: 40px 0;
	color: var(--dc-text-main);
}

.dc-container {
	max-width: 1200px;
	margin: 0 auto;
	padding: 0 20px;
}

.dc-entry-header {
	margin-bottom: 30px;
}

.dc-entry-title {
	font-size: 32px;
	font-weight: 800;
	margin: 0 0 10px;
}

.dc-entry-meta {
	font-size: 14px;
	color: var(--dc-text-muted);
	display: flex;
	gap: 10px;
	align-items: center;
}

.dc-meta-type {
	font-weight: 700;
	text-transform: uppercase;
}

.dc-meta-type.dc-type-youtube-video { color: var(--dc-badge-video-bg); }
.dc-meta-type.dc-type-youtube-short { color: var(--dc-badge-short-bg); }

/* Layout grids for single page */
.dc-single-grid-layout {
	display: grid;
	gap: 30px;
	margin-bottom: 40px;
}

.dc-video-layout .dc-single-grid-layout {
	grid-template-columns: 2fr 1fr;
}

.dc-short-layout .dc-single-grid-layout {
	grid-template-columns: 1fr 1.5fr;
}

/* Aspect ratio responsive wrappers */
.dc-video-responsive {
	position: relative;
	width: 100%;
	aspect-ratio: 16 / 9;
	background: #000;
	border-radius: 8px;
	overflow: hidden;
	box-shadow: var(--dc-card-shadow-hover);
}

.dc-short-video {
	position: relative;
	width: 100%;
	aspect-ratio: 9 / 16;
	background: #000;
	border-radius: 8px;
	overflow: hidden;
	box-shadow: var(--dc-card-shadow-hover);
	max-width: 400px;
	margin: 0 auto;
}

.dc-video-responsive iframe,
.dc-short-video iframe {
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	border: 0;
}

.dc-meta-box-card {
	background: #f8fafc;
	border: 1px solid #e2e8f0;
	border-radius: 8px;
	padding: 20px;
	margin-bottom: 25px;
}

.dc-meta-box-card h3 {
	margin-top: 0;
	margin-bottom: 15px;
	font-size: 18px;
	font-weight: 700;
	border-bottom: 1px solid #e2e8f0;
	padding-bottom: 10px;
}

.dc-details-table {
	width: 100%;
	border-collapse: collapse;
}

.dc-details-table th,
.dc-details-table td {
	text-align: left;
	padding: 8px 0;
	font-size: 14px;
	vertical-align: top;
}

.dc-details-table th {
	font-weight: 600;
	color: var(--dc-text-muted);
	width: 120px;
}

.dc-details-table td {
	color: var(--dc-text-main);
	font-weight: 600;
}

.dc-entry-content h3 {
	font-size: 20px;
	margin-top: 0;
	margin-bottom: 15px;
}

/* Related section */
.dc-related-videos-section {
	margin-top: 60px;
	border-top: 1px solid #e2e8f0;
	padding-top: 40px;
}

.dc-related-title {
	font-size: 24px;
	font-weight: 700;
	margin-top: 0;
	margin-bottom: 25px;
}

/* ARCHIVE PAGE WRAPPER */
.dc-archive-wrapper {
	padding: 50px 0;
}

.dc-archive-header {
	margin-bottom: 40px;
}

.dc-archive-title {
	font-size: 36px;
	font-weight: 800;
	margin: 0;
}

/* RESPONSIVE LAYOUTS */
@media (max-width: 1024px) {
	.dc-grid-3-cols, .dc-grid-4-cols, .dc-grid-5-cols, .dc-grid-6-cols {
		grid-template-columns: repeat(2, 1fr);
	}
	
	.dc-video-layout .dc-single-grid-layout,
	.dc-short-layout .dc-single-grid-layout {
		grid-template-columns: 1fr;
	}
	
	.dc-short-video {
		max-width: 320px;
	}
}

@media (max-width: 640px) {
	.dc-grid-2-cols, .dc-grid-3-cols, .dc-grid-4-cols, .dc-grid-5-cols, .dc-grid-6-cols {
		grid-template-columns: repeat(1, 1fr);
	}
	
	.dc-entry-title {
		font-size: 26px;
	}
	
	.dc-video-filters {
		flex-direction: column;
		align-items: flex-start;
	}
	
	.dc-filter-group {
		width: 100%;
	}
}

/* SLIDER LAYOUT STYLES */
.dc-video-slider-wrapper {
	position: relative;
	width: 100%;
	overflow: hidden;
}

.dc-layout-slider {
	display: flex !important;
	overflow-x: auto !important;
	scroll-snap-type: x mandatory;
	scrollbar-width: none; /* Firefox */
	-ms-overflow-style: none;  /* IE and Edge */
	gap: 15px !important;
	padding-bottom: 10px;
	scroll-behavior: smooth;
}

.dc-layout-slider::-webkit-scrollbar {
	display: none; /* Chrome, Safari and Opera */
}

/* Base slide widths based on column attributes */
.dc-layout-slider .dc-video-card {
	flex: 0 0 calc(20% - 12px); /* Default 5 columns */
	scroll-snap-align: start;
	transition: transform var(--dc-transition-speed) ease;
}

/* Dynamic columns in slider */
.dc-grid-1-cols.dc-layout-slider .dc-video-card { flex: 0 0 100%; }
.dc-grid-2-cols.dc-layout-slider .dc-video-card { flex: 0 0 calc(50% - 8px); }
.dc-grid-3-cols.dc-layout-slider .dc-video-card { flex: 0 0 calc(33.333% - 10px); }
.dc-grid-4-cols.dc-layout-slider .dc-video-card { flex: 0 0 calc(25% - 12px); }
.dc-grid-5-cols.dc-layout-slider .dc-video-card { flex: 0 0 calc(20% - 12px); }
.dc-grid-6-cols.dc-layout-slider .dc-video-card { flex: 0 0 calc(16.666% - 13px); }

/* Card iframe container for slider */
.dc-card-iframe-container {
	position: relative;
	width: 100%;
	background: #000;
	border-radius: var(--dc-card-radius);
	overflow: hidden;
}

.dc-video-ratio .dc-card-iframe-container {
	aspect-ratio: 16 / 9;
}

.dc-short-ratio .dc-card-iframe-container {
	aspect-ratio: 9 / 16;
}

.dc-card-iframe-container iframe {
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	border: 0;
}

/* Floating Mute Button Overlay */
.dc-mute-btn {
	position: absolute;
	top: 12px;
	right: 12px;
	background: rgba(0, 0, 0, 0.6);
	border: none;
	color: #ffffff;
	width: 36px;
	height: 36px;
	border-radius: 50%;
	cursor: pointer;
	display: flex;
	align-items: center;
	justify-content: center;
	z-index: 10;
	transition: background 0.2s, transform 0.2s;
	padding: 0;
	outline: none;
}

.dc-mute-btn:hover {
	background: rgba(0, 0, 0, 0.85);
	transform: scale(1.05);
}

.dc-mute-btn svg {
	width: 18px;
	height: 18px;
}

/* Swap mute icons */
.dc-mute-btn.muted .dc-icon-muted { display: block; }
.dc-mute-btn.muted .dc-icon-unmuted { display: none; }
.dc-mute-btn:not(.muted) .dc-icon-muted { display: none; }
.dc-mute-btn:not(.muted) .dc-icon-unmuted { display: block; }

/* Info Overlay at bottom of slider card */
.dc-card-info-overlay {
	position: absolute;
	bottom: 0;
	left: 0;
	right: 0;
	background: linear-gradient(to top, rgba(0,0,0,0.85) 0%, rgba(0,0,0,0.4) 60%, rgba(0,0,0,0) 100%);
	padding: 30px 15px 15px;
	color: #ffffff;
	z-index: 3;
	pointer-events: none; /* let clicks pass to the iframe if needed */
}

.dc-card-info-overlay .dc-card-title {
	color: #ffffff;
	margin: 0;
	font-size: 15px;
	font-weight: 700;
	text-shadow: 0 1px 2px rgba(0,0,0,0.5);
}

.dc-card-info-overlay .dc-card-client-types {
	color: #93c5fd; /* light blue */
	font-weight: 700;
	font-size: 11px;
}

.dc-card-info-overlay .dc-card-date {
	color: #e2e8f0;
	font-size: 11px;
}

/* Dots navigation indicators */
.dc-slider-dots-container {
	display: flex;
	justify-content: center;
	margin-top: 15px;
	width: 100%;
}

.dc-slider-dots {
	display: flex;
	gap: 8px;
	align-items: center;
}

.dc-dot {
	width: 8px;
	height: 8px;
	border-radius: 50%;
	background: #cbd5e1;
	cursor: pointer;
	transition: background 0.3s, transform 0.3s;
}

.dc-dot:hover {
	background: #94a3b8;
}

.dc-dot.active {
	background: var(--dc-primary-color);
	transform: scale(1.2);
}

/* Responsive adjustment for slider slides */
@media (max-width: 1024px) {
	.dc-layout-slider .dc-video-card {
		flex: 0 0 calc(33.333% - 10px) !important; /* 3 columns on tablet */
	}
}

@media (max-width: 640px) {
	.dc-layout-slider .dc-video-card {
		flex: 0 0 calc(100% - 15px) !important; /* 1 column on mobile */
	}
}