/**
 * Blog Page Styles
 * Tabcom Academy Blog - Light Theme
 * Brand Colors: #0038FF, #001BE6, #0FDEC9
 * 
 * @package TabcomGroup
 */

/* ============================================
   CSS Variables
   ============================================ */
.blog-page,
.single-post-page {
	--blog-primary: #0038FF;
	--blog-primary-dark: #001BE6;
	--blog-accent: #0FDEC9;
	--blog-bg: #f8fafb;
	--blog-bg-alt: #eef3f6;
	--blog-surface: #ffffff;
	--blog-text: #1a2c32;
	--blog-text-muted: #64748b;
	--blog-border: rgba(0, 0, 0, 0.08);
	--blog-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
	--blog-gradient: linear-gradient(180deg, #0FDEC9 0%, #001BE6 40%);
}

/* ============================================
   Base Styles
   ============================================ */
.blog-page,
.single-post-page {
	background: var(--blog-bg);
	color: var(--blog-text);
	font-family: 'SF Pro Display', 'Be Vietnam Pro', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

.blog-page .container,
.single-post-page .container {
	max-width: 1280px;
	margin: 0 auto;
	padding: 0 24px;
}

/* ============================================
   BLOG HERO SECTION
   ============================================ */
.blog-hero {
	position: relative;
	padding: 60px 0 40px;
	background: linear-gradient(180deg, #0FDEC9 0%, #001BE6 40%);
}

.blog-hero__content {
	text-align: center;
	max-width: 700px;
	margin: 0 auto;
}

.blog-hero__title {
	font-size: 42px;
	font-weight: 800;
	color: #fff;
	margin: 0 0 16px;
	line-height: 1.2;
}

.blog-hero__title .highlight {
	color: #0FDEC9;
	background: none;
	-webkit-background-clip: unset;
	-webkit-text-fill-color: unset;
	background-clip: unset;
}

.blog-hero__desc {
	font-size: 18px;
	color: rgba(255, 255, 255, 0.9);
	margin: 0;
	line-height: 1.6;
}

/* ============================================
   CATEGORY FILTER
   ============================================ */
.blog-categories {
	padding: 24px 0;
	background: var(--blog-bg);
	position: sticky;
	top: 80px;
	z-index: 40;
	border-bottom: 1px solid var(--blog-border);
	/* Ensure sticky header doesn't clip content below */
	margin-bottom: 0;
}

.blog-categories__list {
	display: flex;
	gap: 12px;
	overflow-x: auto;
	padding-bottom: 8px;
	-ms-overflow-style: none;
	scrollbar-width: none;
}

.blog-categories__list::-webkit-scrollbar {
	display: none;
}

.blog-categories__item {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	height: 40px;
	padding: 0 20px;
	background: var(--blog-surface);
	color: var(--blog-text-muted);
	font-size: 14px;
	font-weight: 600;
	border: 1px solid var(--blog-border);
	border-radius: 50px;
	text-decoration: none;
	white-space: nowrap;
	transition: all 0.3s ease;
}

.blog-categories__item:hover {
	border-color: var(--blog-primary);
	color: var(--blog-primary);
}

.blog-categories__item.active,
.blog-categories__item.current-cat {
	background: var(--blog-gradient);
	color: #fff;
	border-color: transparent;
	box-shadow: 0 4px 12px rgba(0, 56, 255, 0.3);
}

/* ============================================
   FEATURED POST
   ============================================ */
.blog-featured {
	padding: 40px 0;
}

.blog-featured__card {
	display: grid;
	grid-template-columns: 1.2fr 1fr;
	gap: 0;
	background: var(--blog-surface);
	border-radius: 12px;
	overflow: hidden;
	box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
	border: 3px solid #cbd5e1;
	transition: box-shadow 0.3s ease, border-color 0.3s ease;
}

.blog-featured__card:hover {
	box-shadow: 0 12px 40px rgba(0, 56, 255, 0.18);
	border-color: var(--blog-primary);
}

.blog-featured__image {
	position: relative;
	aspect-ratio: 16/10;
	overflow: hidden;
}

.blog-featured__image img {
	width: 100%;
	height: 100%;
	object-fit: cover;
}

.blog-featured__badge {
	position: absolute;
	bottom: 16px;
	left: 16px;
	display: inline-flex;
	align-items: center;
	gap: 6px;
	padding: 8px 16px;
	background: var(--blog-gradient);
	color: #fff;
	font-size: 12px;
	font-weight: 700;
	text-transform: uppercase;
	border-radius: 50px;
	z-index: 2;
}

.blog-featured__content {
	padding: 32px;
	display: flex;
	flex-direction: column;
	justify-content: center;
}

.blog-featured__category {
	display: inline-block;
	font-size: 12px;
	font-weight: 700;
	color: var(--blog-primary);
	text-transform: uppercase;
	letter-spacing: 1px;
	margin-bottom: 12px;
	text-decoration: none;
}

.blog-featured__category:hover {
	color: var(--blog-primary-dark);
}

.blog-featured__title {
	font-size: 28px;
	font-weight: 700;
	color: var(--blog-text);
	margin: 0 0 16px;
	line-height: 1.3;
}

.blog-featured__title a {
	color: inherit;
	text-decoration: none;
	transition: color 0.3s ease;
}

.blog-featured__title a:hover {
	color: var(--blog-primary);
}

.blog-featured__excerpt {
	font-size: 15px;
	color: var(--blog-text-muted);
	line-height: 1.7;
	margin: 0 0 20px;
	display: -webkit-box;
	-webkit-line-clamp: 3;
	-webkit-box-orient: vertical;
	overflow: hidden;
}

.blog-featured__meta {
	display: flex;
	align-items: center;
	gap: 16px;
	font-size: 13px;
	color: var(--blog-text-muted);
}

.blog-featured__meta span {
	display: flex;
	align-items: center;
	gap: 6px;
}

.blog-featured__meta .material-symbols-outlined {
	font-size: 18px;
	color: var(--blog-primary);
}

.blog-featured__link {
	display: inline-flex;
	align-items: center;
	gap: 6px;
	margin-top: 20px;
	font-size: 14px;
	font-weight: 700;
	color: var(--blog-primary);
	text-decoration: none;
	transition: gap 0.3s ease;
}

.blog-featured__link:hover {
	gap: 10px;
}

.blog-featured__link .material-symbols-outlined {
	font-size: 18px;
}

/* ============================================
   BLOG GRID
   ============================================ */
.blog-posts {
	padding: 48px 0 80px;
	position: relative;
	z-index: 1;
}

.blog-posts__header {
	display: flex;
	align-items: center;
	justify-content: space-between;
	margin-bottom: 32px;
}

.blog-posts__title {
	font-size: 24px;
	font-weight: 700;
	color: var(--blog-text);
	margin: 0;
}

.blog-posts__grid {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 24px;
}

/* ============================================
   BLOG CARD
   ============================================ */
.blog-card {
	position: relative;
	background: var(--blog-surface);
	border-radius: 12px;
	overflow: hidden;
	box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
	border: 3px solid #cbd5e1;
	transition: box-shadow 0.3s ease, border-color 0.3s ease;
	cursor: pointer;
}

.blog-card:hover {
	box-shadow: 0 8px 30px rgba(0, 56, 255, 0.15);
	border-color: var(--blog-primary);
}

.blog-card__image {
	position: relative;
	aspect-ratio: 16/10;
	overflow: hidden;
}

.blog-card__image img {
	width: 100%;
	height: 100%;
	object-fit: cover;
}

.blog-card__image-placeholder {
	width: 100%;
	height: 100%;
	display: flex;
	align-items: center;
	justify-content: center;
	background: linear-gradient(135deg, #e2e8f0 0%, #f1f5f9 100%);
}

.blog-card__image-placeholder .material-symbols-outlined {
	font-size: 48px;
	color: #94a3b8;
}

.blog-card__content {
	padding: 24px;
}

/* Full card clickable link */
.blog-card__link {
	position: absolute;
	top: 0;
	left: 0;
	right: 0;
	bottom: 0;
	z-index: 1;
}

.blog-card__category {
	display: inline-block;
	font-size: 11px;
	font-weight: 700;
	color: var(--blog-primary);
	text-transform: uppercase;
	letter-spacing: 0.5px;
	margin-bottom: 10px;
	position: relative;
	z-index: 2;
}

.blog-card__title {
	font-size: 17px;
	font-weight: 700;
	color: var(--blog-text);
	margin: 0 0 10px;
	line-height: 1.4;
}

.blog-card__excerpt {
	font-size: 14px;
	color: var(--blog-text-muted);
	line-height: 1.6;
	margin: 0 0 16px;
	display: -webkit-box;
	-webkit-line-clamp: 2;
	-webkit-box-orient: vertical;
	overflow: hidden;
}

.blog-card__meta {
	display: flex;
	align-items: center;
	justify-content: space-between;
	padding-top: 16px;
	border-top: 1px solid var(--blog-border);
}

.blog-card__date {
	font-size: 12px;
	color: var(--blog-text-muted);
}

.blog-card__reading-time {
	display: flex;
	align-items: center;
	gap: 4px;
	font-size: 12px;
	color: var(--blog-text-muted);
}

.blog-card__reading-time .material-symbols-outlined {
	font-size: 16px;
}

/* ============================================
   PAGINATION
   ============================================ */
.blog-pagination {
	display: flex;
	justify-content: center;
	gap: 8px;
	margin-top: 48px;
}

.blog-pagination .page-numbers {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	min-width: 44px;
	height: 44px;
	padding: 0 16px;
	background: var(--blog-surface);
	color: var(--blog-text);
	font-size: 14px;
	font-weight: 600;
	border: 1px solid var(--blog-border);
	border-radius: 10px;
	text-decoration: none;
	transition: all 0.3s ease;
}

.blog-pagination .page-numbers:hover {
	border-color: var(--blog-primary);
	color: var(--blog-primary);
}

.blog-pagination .page-numbers.current {
	background: var(--blog-gradient);
	color: #fff;
	border-color: transparent;
}

.blog-pagination .page-numbers.prev,
.blog-pagination .page-numbers.next {
	padding: 0 20px;
}

/* ============================================
   SIDEBAR
   ============================================ */
.blog-sidebar {
	display: flex;
	flex-direction: column;
	gap: 32px;
}

.blog-widget {
	background: var(--blog-surface);
	border-radius: 16px;
	padding: 24px;
	border: 1px solid var(--blog-border);
}

.blog-widget__title {
	font-size: 16px;
	font-weight: 700;
	color: var(--blog-text);
	margin: 0 0 20px;
	padding-bottom: 12px;
	border-bottom: 2px solid var(--blog-primary);
}

/* Search Widget */
.blog-search-form {
	display: flex;
	gap: 8px;
}

.blog-search-form input[type="search"] {
	flex: 1;
	height: 44px;
	padding: 0 16px;
	background: var(--blog-bg);
	border: 1px solid var(--blog-border);
	border-radius: 10px;
	font-size: 14px;
	color: var(--blog-text);
	outline: none;
	transition: border-color 0.3s ease;
}

.blog-search-form input[type="search"]:focus {
	border-color: var(--blog-primary);
}

.blog-search-form button {
	width: 44px;
	height: 44px;
	display: flex;
	align-items: center;
	justify-content: center;
	background: var(--blog-gradient);
	color: #fff;
	border: none;
	border-radius: 10px;
	cursor: pointer;
	transition: transform 0.3s ease;
}

.blog-search-form button:hover {
	transform: scale(1.05);
}

/* Categories Widget */
.blog-widget__categories {
	list-style: none;
	padding: 0;
	margin: 0;
}

.blog-widget__categories li {
	margin-bottom: 8px;
}

.blog-widget__categories li:last-child {
	margin-bottom: 0;
}

.blog-widget__categories a {
	display: flex;
	align-items: center;
	justify-content: space-between;
	padding: 10px 14px;
	background: var(--blog-bg);
	color: var(--blog-text);
	font-size: 14px;
	font-weight: 500;
	border-radius: 8px;
	text-decoration: none;
	transition: all 0.3s ease;
}

.blog-widget__categories a:hover {
	background: rgba(0, 56, 255, 0.1);
	color: var(--blog-primary);
}

.blog-widget__categories .count {
	font-size: 12px;
	color: var(--blog-text-muted);
	background: var(--blog-surface);
	padding: 2px 8px;
	border-radius: 50px;
}

/* Recent Posts Widget */
.blog-widget__recent-post {
	display: flex;
	gap: 12px;
	padding-bottom: 16px;
	margin-bottom: 16px;
	border-bottom: 1px solid var(--blog-border);
}

.blog-widget__recent-post:last-child {
	padding-bottom: 0;
	margin-bottom: 0;
	border-bottom: none;
}

.blog-widget__recent-post-image {
	width: 70px;
	height: 70px;
	border-radius: 10px;
	overflow: hidden;
	flex-shrink: 0;
}

.blog-widget__recent-post-image img {
	width: 100%;
	height: 100%;
	object-fit: cover;
}

.blog-widget__recent-post-content {
	flex: 1;
	min-width: 0;
}

.blog-widget__recent-post-title {
	font-size: 14px;
	font-weight: 600;
	color: var(--blog-text);
	margin: 0 0 6px;
	line-height: 1.4;
	display: -webkit-box;
	-webkit-line-clamp: 2;
	-webkit-box-orient: vertical;
	overflow: hidden;
}

.blog-widget__recent-post-title a {
	color: inherit;
	text-decoration: none;
}

.blog-widget__recent-post-title a:hover {
	color: var(--blog-primary);
}

.blog-widget__recent-post-date {
	font-size: 12px;
	color: var(--blog-text-muted);
}

/* Tags Widget */
.blog-widget__tags {
	display: flex;
	flex-wrap: wrap;
	gap: 8px;
}

.blog-widget__tags a {
	display: inline-block;
	padding: 6px 14px;
	background: var(--blog-bg);
	color: var(--blog-text-muted);
	font-size: 13px;
	font-weight: 500;
	border-radius: 50px;
	text-decoration: none;
	transition: all 0.3s ease;
}

.blog-widget__tags a:hover {
	background: var(--blog-primary);
	color: #fff;
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
	.blog-posts__grid {
		grid-template-columns: repeat(2, 1fr);
	}
	
	.blog-featured__card {
		grid-template-columns: 1fr;
	}
	
	.blog-featured__content {
		padding: 24px;
	}
	
	.blog-featured__title {
		font-size: 24px;
	}
}

@media (max-width: 768px) {
	.blog-hero {
		padding: 40px 0 24px;
	}
	
	.blog-hero__title {
		font-size: 32px;
	}
	
	.blog-posts__grid {
		grid-template-columns: 1fr;
	}
	
	.blog-categories {
		top: 60px;
	}
	
	.blog-featured__title {
		font-size: 20px;
	}
	
	.blog-featured__excerpt {
		-webkit-line-clamp: 2;
	}
}

@media (max-width: 480px) {
	.blog-hero__title {
		font-size: 28px;
	}
	
	.blog-hero__desc {
		font-size: 16px;
	}
	
	.blog-categories__item {
		height: 36px;
		padding: 0 16px;
		font-size: 13px;
	}
}


/* ============================================
   EMPTY STATE
   ============================================ */
.blog-posts__empty {
	text-align: center;
	padding: 80px 20px;
	background: var(--blog-surface);
	border-radius: 16px;
	border: 2px dashed var(--blog-border);
}

.blog-posts__empty .material-symbols-outlined {
	font-size: 64px;
	color: #94a3b8;
	margin-bottom: 16px;
}

.blog-posts__empty p {
	font-size: 16px;
	color: var(--blog-text-muted);
	margin: 0;
}

/* ============================================
   SEARCH FORM IN CATEGORIES
   ============================================ */
.blog-categories .blog-search-form {
	max-width: 500px;
	margin: 0 auto;
}

/* ============================================
   BLOG WITH SIDEBAR LAYOUT
   ============================================ */
.blog-layout {
	display: grid;
	grid-template-columns: 1fr 320px;
	gap: 48px;
}

.blog-layout__main {
	min-width: 0;
}

@media (max-width: 1024px) {
	.blog-layout {
		grid-template-columns: 1fr;
	}
	
	.blog-sidebar {
		display: none;
	}
}