/* ============================================================================
   BLOG OVERVIEW PAGE STYLES
   Mobile-first responsive design with BEM naming
   ========================================================================= */

/* ============================================================================
   Blog Overview Page - Hero Section (US-018)
   Implementation Date: 2025-10-22
   Dependencies: ComponentHeadline component
   ============================================================================ */

/* Hero section container with responsive spacing (AC2, AC3) */
.blog-overview__hero {
	padding: var(--spacing-8) 0; /* 2rem = 32px mobile (320-639px) */
}

/* Responsive: Tablet (≥640px) - AC3 */
@media (min-width: 640px) {
	.blog-overview__hero {
		padding: var(--spacing-12) 0; /* 3rem = 48px tablet (640-1023px) */
	}
}

/* Responsive: Desktop (≥1024px) - AC3 */
@media (min-width: 1024px) {
	.blog-overview__hero {
		padding: var(--spacing-16) 0; /* 4rem = 64px desktop (1024px+) */
	}
}

/* Note: ComponentHeadline typography and colors are handled by component's own styles */
/* - Tagline: --color-decorative-copper (#8B6F47) - AC4 */
/* - Heading: --color-primary-500 (#661652) - AC4 */
/* - SVG Divider: --color-decorative-copper - AC5 */
/* - All responsive font scaling handled by ComponentHeadline - AC4 */

/* ============================================================================
   US-022: BLOG HERO BACKGROUND IMAGE
   Implementation Date: 2025-10-23
   Background image hero with semi-transparent overlay for text readability
   Dependencies: ComponentHeadline component
   ============================================================================ */

/* Background image modifier - Mobile first (320-639px) (AC1, AC2) */
.blog-overview__hero--with-image {
	background-image: url('/images/blog/BlogHero.webp');
	background-size: cover; /* Scale image proportionally to cover entire section */
	background-position: center; /* Center focal point (AC2) */
	background-repeat: no-repeat;
	min-height: 250px; /* Mobile: 250px min-height (AC2) */
	position: relative; /* Position context for overlay */
	/* Padding removed - handled by overlay element */
}

/* Semi-transparent overlay for text contrast (AC3) */
.blog-overview__hero-overlay {
	background-color: rgba(102, 22, 82, 0.5); /* 50% wine red (--color-primary-500) (AC3) */
	padding: var(--spacing-8) 0; /* 2rem = 32px mobile vertical padding */
	min-height: inherit; /* Inherit min-height from parent (250px mobile) */
	display: flex;
	align-items: center; /* Vertically center ComponentHeadline */
}

/* Override ComponentHeadline text colors to white for readability (AC3) */
.blog-overview__hero--with-image .component-headline__tagline,
.blog-overview__hero--with-image .component-headline__heading {
	color: var(--color-neutral-white); /* White text on dark overlay */
}

/* Override ComponentHeadline SVG divider color to white (AC3) */
.blog-overview__hero--with-image .component-headline__divider-svg {
	fill: var(--color-neutral-white); /* White SVG on dark overlay */
}

/* Responsive: Tablet (640-1023px) - AC2 */
@media (min-width: 640px) {
	.blog-overview__hero--with-image {
		min-height: 350px; /* Tablet: 350px min-height */
	}

	.blog-overview__hero-overlay {
		padding: var(--spacing-12) 0; /* 3rem = 48px tablet vertical padding */
	}
}

/* Responsive: Desktop (1024px+) - AC2 */
@media (min-width: 1024px) {
	.blog-overview__hero--with-image {
		min-height: 400px; /* Desktop: 400px min-height */
	}

	.blog-overview__hero-overlay {
		padding: var(--spacing-16) 0; /* 4rem = 64px desktop vertical padding */
	}
}

/* ============================================================================
   Blog Overview Page - Main Container
   ============================================================================ */

/* Main container with background color */
.blog-overview__container {
    background-color: var(--color-neutral-50);
    padding: var(--spacing-8) 0;
}

/* ============================================================================
   US-020: LATEST POSTS SIDEBAR & Blog Overview Grid Layout
   Responsive sidebar with latest 3-5 blog posts
   ============================================================================ */

/* Layout container for grid + sidebar (AC2: CSS Grid layout) */
.blog-overview__layout {
	display: grid;
	grid-template-columns: 1fr; /* Mobile/Tablet: single column (sidebar below grid) */
	gap: var(--spacing-8); /* 32px gap between grid and sidebar */
	padding: 0 var(--spacing-4); /* Horizontal padding for mobile */
	max-width: var(--max-width-7xl); /* Max container width (1536px) */
	margin: 0 auto; /* Center container */
}

/* Desktop: 2-column layout (grid + sidebar) - AC2 */
/* Breakpoint: 1024px = --max-width-lg from design system */
@media (min-width: 1024px) {
	.blog-overview__layout {
		grid-template-columns: 1fr 320px; /* Main content (flexible) + Sidebar (fixed 320px) */
		gap: var(--spacing-12); /* 48px gap on desktop */
		padding: 0 var(--spacing-8); /* Larger horizontal padding on desktop */
	}
}

/* ============================================================================
   Blog Overview Page - Grid Layout (US-019)
   Implementation Date: 2025-10-22
   Dependencies: BlogTileViewModel structure (EPIC-002)
   ============================================================================ */

/* Grid container with responsive columns (AC1, AC2) */
.blog-overview__grid {
	display: grid;
	grid-template-columns: 1fr; /* Mobile: 1 column (320-639px) */
	gap: var(--spacing-6); /* 24px gap between tiles */
	padding: var(--spacing-8) 0; /* Vertical spacing: 2rem = 32px */
	width: 100%;
}

/* Tablet: 2 columns (640-1023px) - AC2 */
@media (min-width: 640px) {
	.blog-overview__grid {
		grid-template-columns: repeat(2, 1fr);
	}
}

/* Desktop: 3 columns (1024px+) - AC2 */
@media (min-width: 1024px) {
	.blog-overview__grid {
		grid-template-columns: repeat(3, 1fr);
	}
}

/* Blog tile card styles (AC4) */
.blog-overview__tile {
	/* Card appearance */
	border: 1px solid var(--color-neutral-200);
	border-radius: var(--border-radius-lg);
	background-color: var(--color-neutral-white);
	overflow: hidden;
	transition: transform var(--transition-normal), box-shadow var(--transition-normal);

	/* Grid item behavior */
	display: flex;
	flex-direction: column;
	height: 100%;

	/* Remove default link styles */
	text-decoration: none;
}

/* Hover effect - elevation increase (AC4) */
.blog-overview__tile:hover {
	transform: translateY(-4px);
	box-shadow: var(--shadow-lg);
}

/* Ensure link inside tile doesn't override styles */
.blog-overview__tile a {
	text-decoration: none;
	color: inherit;
	display: flex;
	flex-direction: column;
	height: 100%;
}

/* Tile image with aspect ratio (AC4) */
.blog-overview__tile-image {
	width: 100%;
	height: 200px; /* Fixed height maintains aspect ratio ~16:9 */
	object-fit: cover; /* Crop to fit without distortion */
	display: block;
}

/* Tile content wrapper */
.blog-overview__tile-content {
	padding: var(--spacing-6); /* 24px padding all sides */
	display: flex;
	flex-direction: column;
	flex-grow: 1;
	position: relative;
	padding-bottom: calc(0.5rem + 1.5rem); /* Space for absolute positioned meta */
}

/* Tile title (AC3, AC4) */
.blog-overview__tile-title {
	font-family: var(--font-body);
	font-size: var(--font-size-xl);
	font-weight: var(--font-weight-semibold);
	color: var(--color-primary-900);
	margin-bottom: var(--spacing-4);
	line-height: var(--line-height-snug);
	margin-top: 0;
	text-decoration: none;
}

/* Tile excerpt (AC3, AC4) */
.blog-overview__tile-excerpt {
	font-family: var(--font-body);
	font-size: var(--font-size-base);
	color: var(--color-neutral-700);
	line-height: var(--line-height-relaxed);
	margin-bottom: var(--spacing-4);
	flex-grow: 0;
	text-decoration: none;
}

/* Tile meta date (AC3, AC4) */
.blog-overview__tile-meta {
	font-family: var(--font-body);
	font-size: var(--font-size-sm);
	font-weight: var(--font-weight-medium);
	color: var(--color-neutral-500);
	margin-bottom: 0;
	text-decoration: none;
	text-align: left;
	position: absolute;
	bottom: 0.5rem;
	left: var(--spacing-6);
	right: var(--spacing-6);
}

/* Empty state styling (AC5) */
.blog-overview__empty-state {
	text-align: center;
	padding: var(--spacing-16) var(--spacing-8); /* Large vertical, medium horizontal */
	color: var(--color-neutral-600);
}

.blog-overview__empty-state p:first-child {
	font-size: var(--font-size-lg);
	font-weight: var(--font-weight-medium);
	margin-bottom: var(--spacing-4);
}

.blog-overview__empty-state .text-muted {
	font-size: var(--font-size-base);
	color: var(--color-neutral-500);
}

/* ============================================================================
   Blog Overview Sidebar Styles
   ============================================================================ */

/* Sidebar container (AC1, AC8: semantic aside with visual separation) */
.blog-overview__sidebar {
	background-color: var(--color-neutral-50); /* Subtle background tint for visual separation */
	border-radius: var(--border-radius-lg); /* Rounded corners (8px) */
	padding: var(--spacing-6); /* 24px padding all sides */
	box-shadow: var(--shadow-sm); /* Subtle shadow for depth */
	align-self: start; /* Align to top of grid cell (prevent stretching) */
}

/* Sidebar heading (AC3: h2 "Neueste Beiträge") */
.blog-overview__sidebar-heading {
	font-family: var(--font-heading);
	font-size: var(--font-size-xl); /* 20px */
	font-weight: var(--font-weight-semibold); /* 600 */
	color: var(--color-neutral-900);
	margin-bottom: var(--spacing-4); /* 16px space below heading */
	line-height: var(--line-height-tight);
	border-bottom: 2px solid var(--color-neutral-200); /* Subtle separator line */
	padding-bottom: var(--spacing-3); /* 12px padding before border */
}

/* Sidebar list container (AC4: vertical stack) */
.blog-overview__sidebar-list {
	display: flex;
	flex-direction: column;
	gap: var(--spacing-4); /* 16px space between items */
}

/* Sidebar item (AC4, AC5: compact layout with separator) */
.blog-overview__sidebar-item {
	padding-bottom: var(--spacing-4); /* 16px padding below item */
	border-bottom: 1px solid var(--color-neutral-200); /* Subtle separator line (AC5) */
}

/* Remove border from last item */
.blog-overview__sidebar-item:last-child {
	border-bottom: none;
	padding-bottom: 0;
}

/* Sidebar title link (AC5, AC6: clickable with hover effect) */
.blog-overview__sidebar-title {
	display: block;
	font-family: var(--font-body);
	font-size: var(--font-size-base); /* 16px (smaller than grid tile titles) */
	font-weight: var(--font-weight-medium); /* 500 */
	color: var(--color-primary-900); /* Primary link color */
	text-decoration: none;
	line-height: var(--line-height-tight);
	margin-bottom: var(--spacing-2); /* 8px space before date */
	transition: color var(--transition-normal); /* Smooth color transition */
}

/* Hover effect on title link (AC5) */
.blog-overview__sidebar-title:hover {
	color: var(--color-primary-700); /* Lighter shade on hover */
	text-decoration: underline; /* Underline on hover for clarity */
}

/* Sidebar date (AC4, AC5: muted color) */
.blog-overview__sidebar-date {
	font-family: var(--font-body);
	font-size: var(--font-size-sm); /* 14px (smaller than title) */
	font-weight: var(--font-weight-normal); /* 400 */
	color: var(--color-neutral-600); /* Muted gray color (improved contrast for WCAG AA) */
	margin-bottom: 0; /* No bottom margin (item has padding-bottom) */
	line-height: var(--line-height-normal);
}

/* Error state */
.blog-overview__error {
    max-width: 800px;
    margin: 3rem auto;
    padding: 0 1rem;
}