/**
 * FlyBlock Single Post & Components Stylesheet
 *
 * Styles for: reading progress bar, share buttons, author box,
 * table of contents, related posts, and breadcrumbs.
 *
 * @package FlyBlock
 */

/* ==========================================================================
   1. Reading Progress Bar
   ========================================================================== */
.fb-reading-progress {
	position: fixed;
	top: 0;
	left: 0;
	width: 100%;
	height: 3px;
	background-color: var(--fb-color-border);
	z-index: 99999;
}

.fb-reading-progress-bar {
	height: 100%;
	width: 0%;
	background-color: var(--fb-palette-primary);
	background: linear-gradient(90deg, var(--fb-palette-primary) 0%, var(--fb-palette-secondary) 100%);
	transition: width 0.1s linear;
	border-radius: 0 2px 2px 0;
}

/* ==========================================================================
   2. Floating Share Buttons
   ========================================================================== */
.fb-share-buttons {
	display: flex;
	align-items: center;
	gap: 0.75rem;
}

.fb-share-label {
	font-size: 0.75rem;
	font-weight: 700;
	text-transform: uppercase;
	letter-spacing: 0.08em;
	color: var(--fb-color-muted);
}

.fb-share-list {
	display: flex;
	align-items: center;
	gap: 0.5rem;
}

.fb-share-btn {
	width: 36px;
	height: 36px;
	border-radius: 50%;
	display: flex;
	align-items: center;
	justify-content: center;
	background-color: var(--fb-color-surface);
	color: var(--fb-color-heading);
	border: 1px solid var(--fb-color-border);
	transition: all var(--fb-transition-fast);
	text-decoration: none;
}

.fb-share-btn:hover {
	background-color: var(--fb-palette-primary);
	border-color: var(--fb-palette-primary);
	color: #ffffff;
	transform: translateY(-2px);
	box-shadow: var(--fb-shadow-md);
}

/* Floating sidebar position */
.fb-share-floating {
	position: fixed;
	left: 1.5rem;
	top: 50%;
	transform: translateY(-50%);
	flex-direction: column;
	align-items: center;
	gap: 0.5rem;
	z-index: 90;
}

.fb-share-floating .fb-share-label {
	writing-mode: vertical-rl;
}

.fb-share-floating .fb-share-list {
	flex-direction: column;
}

/* Inline share buttons */
.fb-share-inline {
	padding: 1.5rem 0;
	border-top: 1px solid var(--fb-color-border);
	border-bottom: 1px solid var(--fb-color-border);
	margin: 2.5rem 0;
}

/* Copy success state */
.fb-share-copy.is-copied {
	background-color: #22c55e;
	border-color: #22c55e;
	color: #ffffff;
}

/* ==========================================================================
   3. Author Box
   ========================================================================== */
.fb-author-box {
	display: grid;
	grid-template-columns: 80px 1fr;
	gap: 1.5rem;
	background-color: var(--fb-color-surface);
	border: 1px solid var(--fb-color-border);
	border-radius: var(--fb-radius-lg);
	padding: 2rem;
	margin-top: 3rem;
}

.fb-author-box-img {
	border-radius: 50%;
	width: 80px;
	height: 80px;
}

.fb-author-box-content {
	display: flex;
	flex-direction: column;
	gap: 0.5rem;
}

.fb-author-box-name {
	font-size: 1.1rem;
	margin: 0;
}

.fb-author-box-name a {
	color: var(--fb-color-heading);
}

.fb-author-box-bio {
	font-size: 0.9375rem;
	line-height: 1.7;
	color: var(--fb-color-text);
}

.fb-author-box-link {
	display: inline-flex;
	align-items: center;
	gap: 5px;
	font-size: 0.875rem;
	font-weight: 600;
	color: var(--fb-palette-primary);
}

.fb-author-box-link:hover {
	gap: 8px;
}

@media (max-width: 600px) {
	.fb-author-box {
		grid-template-columns: 1fr;
		text-align: center;
		justify-items: center;
	}
}

/* ==========================================================================
   4. Table of Contents
   ========================================================================== */
.fb-toc {
	background-color: var(--fb-color-surface);
	border: 1px solid var(--fb-color-border);
	border-left: 3px solid var(--fb-palette-primary);
	border-radius: var(--fb-radius-md);
	padding: 1.25rem 1.5rem;
	margin: 2rem 0;
}

.fb-toc-header {
	display: flex;
	align-items: center;
	justify-content: space-between;
	margin-bottom: 0.75rem;
}

.fb-toc-title {
	font-size: 1rem;
	margin: 0;
	font-weight: 700;
	color: var(--fb-color-heading);
}

.fb-toc-toggle {
	background: none;
	border: none;
	padding: 4px;
	cursor: pointer;
	color: var(--fb-color-muted);
	transition: transform var(--fb-transition-fast);
}

.fb-toc-toggle[aria-expanded="false"] {
	transform: rotate(180deg);
}

.fb-toc-list {
	list-style: none;
	padding: 0;
	margin: 0;
}

.fb-toc-item {
	padding: 3px 0;
}

.fb-toc-item.fb-toc-level-3 {
	padding-left: 1.25rem;
}

.fb-toc-item a {
	font-size: 0.9rem;
	color: var(--fb-color-text);
	line-height: 1.5;
}

.fb-toc-item a:hover {
	color: var(--fb-palette-primary);
}

/* ==========================================================================
   5. Related Posts Grid
   ========================================================================== */
.fb-related-posts {
	margin-top: 4rem;
	padding-top: 2.5rem;
	border-top: 1px solid var(--fb-color-border);
}

.fb-related-posts-title {
	font-size: 1.4rem;
	margin-bottom: 1.75rem;
}

.fb-related-posts-grid {
	display: grid;
	gap: 1.5rem;
}

.fb-related-cols-3 {
	grid-template-columns: repeat(3, 1fr);
}

.fb-related-cols-2 {
	grid-template-columns: repeat(2, 1fr);
}

.fb-related-card {
	background-color: var(--fb-color-background);
	border: 1px solid var(--fb-color-border);
	border-radius: var(--fb-radius-md);
	overflow: hidden;
	transition: transform var(--fb-transition-fast), box-shadow var(--fb-transition-fast);
}

.fb-related-card:hover {
	transform: translateY(-3px);
	box-shadow: var(--fb-shadow-md);
}

.fb-related-card-media {
	aspect-ratio: 16 / 9;
	overflow: hidden;
}

.fb-related-img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	transition: transform 0.4s ease;
}

.fb-related-card:hover .fb-related-img {
	transform: scale(1.04);
}

.fb-related-card-body {
	padding: 1.25rem;
}

.fb-related-cat {
	display: inline-block;
	font-size: 0.75rem;
	font-weight: 600;
	color: var(--fb-palette-primary);
	margin-bottom: 0.5rem;
}

.fb-related-title {
	font-size: 1rem;
	line-height: 1.4;
	margin: 0 0 0.5rem;
}

.fb-related-title a {
	color: var(--fb-color-heading);
}

.fb-related-meta {
	font-size: 0.8125rem;
	color: var(--fb-color-muted);
}

@media (max-width: 768px) {
	.fb-related-cols-3,
	.fb-related-cols-2 {
		grid-template-columns: 1fr;
	}
}

/* ==========================================================================
   6. Breadcrumbs
   ========================================================================== */
.fb-breadcrumbs {
	padding: 0.75rem 0;
	margin-bottom: 1.5rem;
}

.fb-breadcrumb-list {
	display: flex;
	align-items: center;
	flex-wrap: wrap;
	list-style: none;
	padding: 0;
	margin: 0;
	gap: 0.25rem;
	font-size: 0.875rem;
}

.fb-breadcrumb-item {
	display: flex;
	align-items: center;
	gap: 0.25rem;
}

.fb-breadcrumb-link {
	color: var(--fb-color-text);
}

.fb-breadcrumb-link:hover {
	color: var(--fb-palette-primary);
}

.fb-breadcrumb-current {
	color: var(--fb-color-muted);
}

.fb-breadcrumb-sep {
	color: var(--fb-color-border);
	display: flex;
	align-items: center;
}

/* ==========================================================================
   7. Card Layout — Classic, Overlay, List
   ========================================================================== */

/* Classic Card */
.fb-card-layout-classic {
	display: flex;
	flex-direction: row;
	align-items: stretch;
}

.fb-card-layout-classic .fb-card-classic-inner {
	display: flex;
	width: 100%;
}

.fb-card-layout-classic .fb-card-media {
	aspect-ratio: auto;
	width: 260px;
	min-width: 260px;
	max-height: 220px;
}

.fb-card-layout-classic .fb-card-body {
	padding: 1.5rem;
	flex: 1;
}

/* Overlay Card */
.fb-card-layout-overlay {
	position: relative;
	overflow: hidden;
}

.fb-card-overlay-inner {
	position: relative;
}

.fb-card-layout-overlay .fb-card-media {
	aspect-ratio: 4 / 3;
}

.fb-card-overlay-body {
	position: absolute;
	bottom: 0;
	left: 0;
	right: 0;
	padding: 1.5rem;
	background: linear-gradient(to top, rgba(0,0,0,0.85) 0%, rgba(0,0,0,0.3) 60%, transparent 100%);
	color: #fff;
}

.fb-card-layout-overlay .fb-card-category a {
	color: #fff;
	background-color: rgba(255, 255, 255, 0.2);
}

.fb-card-overlay-meta {
	font-size: 0.8125rem;
	color: rgba(255, 255, 255, 0.8);
}

.fb-text-white {
	color: #fff;
}

.fb-text-white a {
	color: #fff;
}

/* List Card */
.fb-card-layout-list {
	flex-direction: row;
	align-items: center;
}

.fb-card-list-inner {
	display: flex;
	align-items: center;
	gap: 1rem;
	width: 100%;
}

.fb-card-media-sm {
	width: 100px;
	min-width: 100px;
	height: 80px;
	overflow: hidden;
	border-radius: var(--fb-radius-sm);
	flex-shrink: 0;
}

.fb-card-media-sm .fb-card-img {
	width: 100%;
	height: 100%;
	object-fit: cover;
}

.fb-posts-loop.fb-loop-list {
	display: flex;
	flex-direction: column;
	gap: 1rem;
}

.fb-posts-loop.fb-loop-overlay {
	display: grid;
	grid-template-columns: repeat(2, 1fr);
	gap: 1.5rem;
}

/* ==========================================================================
   8. Card Categories & Meta
   ========================================================================== */
.fb-card-cats {
	display: flex;
	flex-wrap: wrap;
	gap: 0.4rem;
	margin-bottom: 0.6rem;
}

.fb-card-cat-badge {
	font-size: 0.75rem;
	font-weight: 700;
	color: var(--fb-palette-primary);
	background-color: rgba(59, 130, 246, 0.1);
	padding: 2px 10px;
	border-radius: var(--fb-radius-full);
	text-transform: uppercase;
	letter-spacing: 0.03em;
	transition: all var(--fb-transition-fast);
}

.fb-card-cat-badge:hover {
	background-color: var(--fb-palette-primary);
	color: #ffffff;
}

.fb-card-meta {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	gap: 0.5rem;
	font-size: 0.8125rem;
	color: var(--fb-color-muted);
}

.fb-meta-sep {
	color: var(--fb-color-border);
}

/* ==========================================================================
   9. Error 404 Page
   ========================================================================== */
.fb-error-section {
	text-align: center;
	padding: 5rem 1.5rem;
}

.fb-error-code {
	display: block;
	font-size: clamp(6rem, 15vw, 10rem);
	font-weight: 900;
	line-height: 1;
	color: var(--fb-color-border);
	margin-bottom: 0;
}

.fb-error-desc {
	font-size: 1.125rem;
	max-width: 500px;
	margin: 0 auto 2rem;
}

.fb-404-search {
	max-width: 500px;
	margin: 0 auto 1.5rem;
}

/* ==========================================================================
   10. No Results Section
   ========================================================================== */
.fb-no-results {
	text-align: center;
	padding: 4rem 0;
}

.fb-no-results .page-title {
	margin-bottom: 1rem;
}

/* ==========================================================================
   11. Responsive adjustments for single post components
   ========================================================================== */
@media (max-width: 768px) {
	.fb-share-floating {
		display: none; /* Use inline share on mobile */
	}

	.fb-card-layout-classic {
		flex-direction: column;
	}

	.fb-card-layout-classic .fb-card-media {
		width: 100%;
		min-width: 0;
		aspect-ratio: 16 / 9;
		max-height: none;
	}

	.fb-posts-loop.fb-loop-overlay {
		grid-template-columns: 1fr;
	}
}