/**
 * PDF Library Frontend Styles
 *
 * Styles for the PDF grid shortcode display
 *
 * @package PDF_Library
 * @version 1.0.0
 */

/* ==========================================================================
   Grid Container
   ========================================================================== */

.pdf-library-grid {
	display: grid;
	gap: 2rem;
	margin: 2rem 0;
	padding: 0;
}

/* Column variations */
.pdf-library-grid--columns-1 {
	grid-template-columns: 1fr;
}

.pdf-library-grid--columns-2 {
	grid-template-columns: repeat(2, 1fr);
}

.pdf-library-grid--columns-3 {
	grid-template-columns: repeat(3, 1fr);
}

.pdf-library-grid--columns-4 {
	grid-template-columns: repeat(4, 1fr);
}

.pdf-library-grid--columns-5 {
	grid-template-columns: repeat(5, 1fr);
}

.pdf-library-grid--columns-6 {
	grid-template-columns: repeat(6, 1fr);
}

/* ==========================================================================
   Tablet Responsive (max-width: 991px)
   ========================================================================== */

@media screen and (max-width: 991px) {
	.pdf-library-grid--columns-4,
	.pdf-library-grid--columns-5,
	.pdf-library-grid--columns-6 {
		grid-template-columns: repeat(3, 1fr);
	}
}

/* ==========================================================================
   Mobile Responsive (max-width: 767px)
   ========================================================================== */

@media screen and (max-width: 767px) {
	.pdf-library-grid {
		gap: 1.5rem;
	}

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

/* ==========================================================================
   Small Mobile Responsive (max-width: 479px)
   ========================================================================== */

@media screen and (max-width: 479px) {
	.pdf-library-grid,
	.pdf-library-grid--columns-2,
	.pdf-library-grid--columns-3,
	.pdf-library-grid--columns-4,
	.pdf-library-grid--columns-5,
	.pdf-library-grid--columns-6 {
		grid-template-columns: 1fr;
	}
}

/* ==========================================================================
   PDF Card Component
   ========================================================================== */

.pdf-library-card {
	background: #ffffff;
	border: 1px solid #e2e8f0;
	overflow: hidden;
	box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
	transition: box-shadow 0.3s ease, transform 0.3s ease;
	display: flex;
	flex-direction: column;
	height: 100%;
}

.pdf-library-card:hover {
	box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
	transform: translateY(-2px);
}

/* ==========================================================================
   Card Image
   ========================================================================== */

.pdf-library-card__image-wrapper {
	position: relative;
	width: 100%;
	padding-top: 141.42%; /* A4 aspect ratio (1:1.414) - 297mm/210mm */
	background: #f8fafc;
	overflow: hidden;
}

.pdf-library-card__image-link {
	display: block;
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
}

.pdf-library-card__image {
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	object-fit: cover;
	transition: transform 0.3s ease;
}

.pdf-library-card:hover .pdf-library-card__image {
	transform: scale(1.05);
}

.pdf-library-card__pdf-icon {
	position: absolute;
	bottom: 8px;
	right: 8px;
	width: 40px;
	height: 40px;
	z-index: 10;
	/* filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.3)); */
	pointer-events: none;
}

/* ==========================================================================
   Card Content
   ========================================================================== */

.pdf-library-card__content {
	padding: 1.5rem;
	display: flex;
	flex-direction: column;
	flex-grow: 1;
}

.pdf-library-card__title {
	margin: 0 0 0.75rem;
	font-size: 1.125rem;
	font-weight: 600;
	line-height: 1.4;
	color: #1e293b;
	text-align: center;
}

.pdf-library-card__title-link {
	color: inherit;
	text-decoration: none;
	transition: color 0.2s ease;
}

.pdf-library-card__title-link:hover {
	color: #3b82f6;
}

.pdf-library-card__description {
	margin: 0 0 1rem;
	font-size: 0.875rem;
	line-height: 1.5;
	color: #64748b;
	text-align: center;
	flex-grow: 1;
}

/* ==========================================================================
   Download Button
   ========================================================================== */

.pdf-library-card__actions {
	margin-top: auto;
	padding-top: 1rem;
}

.pdf-library-card__download-button {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: 0.5rem;
	width: 100%;
	padding: 0.75rem 1rem;
	background: #e3000f;
	color: #ffffff;
	font-size: 0.9375rem;
	font-weight: bold;
	text-decoration: none;
	border-radius: 0;
	transition: all 0.3s ease;
	border: none;
	cursor: pointer;
	position: relative;
	overflow: hidden;
}

.pdf-library-card__download-button::before {
	content: '';
	position: absolute;
	top: 0;
	left: -100%;
	width: 100%;
	height: 100%;
	background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
	transition: left 0.5s ease;
}

.pdf-library-card__download-button:hover {
	background: #b8000c;
	transform: translateY(-2px);
	box-shadow: 0 4px 12px rgba(227, 0, 15, 0.4);
}

.pdf-library-card__download-button:hover::before {
	left: 100%;
}

.pdf-library-card__download-button:active {
	transform: translateY(0);
	box-shadow: 0 2px 6px rgba(227, 0, 15, 0.3);
}

.pdf-library-card__download-icon {
	display: inline-flex;
	align-items: center;
	flex-shrink: 0;
}

.pdf-library-card__download-icon svg {
	width: 18px;
	height: 18px;
}

/* ==========================================================================
   No Results Message
   ========================================================================== */

.pdf-library-no-results {
	padding: 2rem;
	text-align: center;
	color: #64748b;
	font-size: 1rem;
	background: #f8fafc;
	border: 1px dashed #cbd5e1;
	border-radius: 8px;
}

/* ==========================================================================
   Print Styles
   ========================================================================== */

@media print {
	.pdf-library-grid {
		gap: 1rem;
	}

	.pdf-library-card {
		break-inside: avoid;
		box-shadow: none;
		border: 1px solid #000;
	}

	.pdf-library-card__download-button {
		background: #000;
		color: #fff;
	}
}