/**
 * Blog Archive — page-specific styles.
 *
 * Loaded only on the Blog Archive template (signalmind_enqueue_blog_archive_assets),
 * on top of the shared chrome bundle. Every selector here is scoped to the
 * `.sm-b*` block namespace so nothing bleeds onto other pages.
 *
 * @package SignalMind
 */

/* ==========================================================================
   Hero
   ========================================================================== */

.sm-bhero {
	position: relative;
	overflow: hidden;
	padding-block: var(--sm-space-24) var(--sm-space-16);
	border-bottom: var(--sm-border-width) solid var(--sm-color-border);
}

.sm-bhero__inner {
	position: relative;
	z-index: var(--sm-z-raised);
	max-width: 46rem;
	margin-inline: auto;
	text-align: center;
}

.sm-bhero__title {
	margin-top: var(--sm-space-4);
	font-size: var(--sm-text-h1);
	font-weight: var(--sm-weight-bold);
	line-height: var(--sm-leading-tight);
	letter-spacing: var(--sm-tracking-tight);
	color: var(--sm-color-text);
	text-wrap: balance;
}

.sm-bhero__description {
	margin-top: var(--sm-space-4);
	font-size: var(--sm-text-md);
	line-height: var(--sm-leading-relaxed);
	color: var(--sm-color-text-muted);
	text-wrap: pretty;
}

.sm-bhero__search {
	position: relative;
	display: flex;
	align-items: center;
	gap: var(--sm-space-2);
	margin-top: var(--sm-space-8);
	padding: var(--sm-space-2);
	background-color: var(--sm-color-surface-glass);
	backdrop-filter: blur(var(--sm-blur-md));
	-webkit-backdrop-filter: blur(var(--sm-blur-md));
	border: var(--sm-border-width) solid var(--sm-color-border);
	border-radius: var(--sm-radius-pill);
	box-shadow: var(--sm-shadow-lg);
	text-align: left;
}

.sm-bhero__search-icon {
	display: grid;
	place-items: center;
	flex: none;
	padding-left: var(--sm-space-3);
	color: var(--sm-color-text-subtle);
}

.sm-bhero__search-input {
	flex: 1 1 auto;
	min-width: 0;
	min-height: var(--sm-control-height-lg);
	padding-inline: var(--sm-space-2);
	background: none;
	border: none;
	box-shadow: none;
}

.sm-bhero__search-input:focus {
	box-shadow: none;
	outline: none;
}

.sm-bhero__search:focus-within {
	border-color: var(--sm-color-border-brand);
	box-shadow: var(--sm-shadow-lg), var(--sm-shadow-ring);
}

.sm-bhero__search-submit {
	flex: none;
	min-height: var(--sm-control-height-lg);
	border-radius: var(--sm-radius-pill);
}

.sm-bhero__suggest[hidden] {
	display: none;
}

@media (max-width: 599px) {
	.sm-bhero__search {
		flex-wrap: wrap;
		border-radius: var(--sm-radius-2xl);
	}

	.sm-bhero__search-input {
		flex-basis: 100%;
		order: 1;
	}

	.sm-bhero__search-submit {
		flex: 1 1 auto;
		order: 2;
	}
}

/* ==========================================================================
   Featured content
   ========================================================================== */

.sm-bfeatured__label,
.sm-bsearches__label {
	font-size: var(--sm-text-xs);
	font-weight: var(--sm-weight-semibold);
	letter-spacing: var(--sm-tracking-widest);
	text-transform: uppercase;
	color: var(--sm-color-text-subtle);
}

.sm-bfeatured__grid {
	display: grid;
	grid-template-columns: minmax(0, 1fr);
	gap: var(--sm-space-5);
	margin-top: var(--sm-space-5);
}

@media (min-width: 600px) {
	.sm-bfeatured__grid {
		grid-template-columns: repeat(2, minmax(0, 1fr));
	}
}

@media (min-width: 1200px) {
	.sm-bfeatured__grid {
		grid-template-columns: repeat(4, minmax(0, 1fr));
	}
}

.sm-bfeatured__card {
	position: relative;
	display: flex;
	flex-direction: column;
	background-color: var(--sm-color-surface);
	border: var(--sm-border-width) solid var(--sm-color-border);
	border-radius: var(--sm-radius-xl);
	overflow: hidden;
	transition: var(--sm-transition-transform), var(--sm-transition-shadow);
}

.sm-bfeatured__card:hover {
	border-color: var(--sm-color-border-strong);
	transform: translateY(-3px);
	box-shadow: var(--sm-shadow-card);
}

.sm-bfeatured__flag {
	position: absolute;
	top: var(--sm-space-3);
	left: var(--sm-space-3);
	z-index: var(--sm-z-raised);
	padding: var(--sm-space-1) var(--sm-space-3);
	font-size: var(--sm-text-2xs);
	font-weight: var(--sm-weight-bold);
	letter-spacing: var(--sm-tracking-wider);
	text-transform: uppercase;
	color: var(--sm-color-primary-contrast);
	background-color: var(--sm-color-primary);
	border-radius: var(--sm-radius-pill);
}

.sm-bfeatured__media {
	display: block;
	aspect-ratio: 16 / 10;
	overflow: hidden;
	background-color: var(--sm-color-surface-sunken);
}

.sm-bfeatured__media img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	transition: transform var(--sm-duration-slower) var(--sm-ease-out);
}

.sm-bfeatured__card:hover .sm-bfeatured__media img {
	transform: scale(1.04);
}

.sm-bfeatured__card--no-media {
	justify-content: center;
	min-height: 12rem;
	background-image: var(--sm-gradient-brand-soft);
}

.sm-bfeatured__body {
	display: flex;
	flex-direction: column;
	gap: var(--sm-space-2);
	padding: var(--sm-space-5);
}

.sm-bfeatured__card--no-media .sm-bfeatured__body {
	padding-top: var(--sm-space-8);
}

.sm-bfeatured__title {
	font-size: var(--sm-text-h5);
	font-weight: var(--sm-weight-semibold);
	line-height: var(--sm-leading-snug);
	color: var(--sm-color-text);
}

.sm-bfeatured__title a::after {
	content: "";
	position: absolute;
	inset: 0;
}

.sm-bfeatured__card:hover .sm-bfeatured__title {
	color: var(--sm-color-primary);
}

.sm-bfeatured__excerpt {
	font-size: var(--sm-text-xs);
	line-height: var(--sm-leading-normal);
	color: var(--sm-color-text-subtle);
}

.sm-bfeatured__meta {
	margin-top: auto;
	padding-top: var(--sm-space-2);
	font-size: var(--sm-text-2xs);
	font-weight: var(--sm-weight-medium);
	color: var(--sm-color-text-disabled);
}

/* ==========================================================================
   Topic explorer
   ========================================================================== */

.sm-btopics__grid {
	display: grid;
	grid-template-columns: minmax(0, 1fr);
	gap: var(--sm-space-3);
	margin-top: var(--sm-space-6);
}

@media (min-width: 600px) {
	.sm-btopics__grid {
		grid-template-columns: repeat(2, minmax(0, 1fr));
	}
}

@media (min-width: 900px) {
	.sm-btopics__grid {
		grid-template-columns: repeat(3, minmax(0, 1fr));
	}
}

@media (min-width: 1200px) {
	.sm-btopics__grid {
		grid-template-columns: repeat(4, minmax(0, 1fr));
	}
}

.sm-btopics__card {
	position: relative;
	display: flex;
	align-items: center;
	gap: var(--sm-space-3);
	padding: var(--sm-space-4) var(--sm-space-5);
	background-color: var(--sm-color-surface);
	border: var(--sm-border-width) solid var(--sm-color-border);
	border-radius: var(--sm-radius-lg);
	transition: var(--sm-transition-transform), var(--sm-transition-colors), var(--sm-transition-shadow);
}

.sm-btopics__card:hover {
	border-color: var(--sm-color-border-brand);
	background-color: var(--sm-color-primary-subtle);
	transform: translateY(-2px);
	box-shadow: var(--sm-shadow-md);
}

.sm-btopics__name {
	flex: 1 1 auto;
	min-width: 0;
	font-size: var(--sm-text-sm);
	font-weight: var(--sm-weight-semibold);
	color: var(--sm-color-text);
	overflow: hidden;
	text-overflow: ellipsis;
	white-space: nowrap;
}

.sm-btopics__count {
	flex: none;
	font-size: var(--sm-text-2xs);
	color: var(--sm-color-text-disabled);
}

.sm-btopics__arrow {
	display: grid;
	place-items: center;
	flex: none;
	width: 26px;
	height: 26px;
	color: var(--sm-color-text-subtle);
	border: var(--sm-border-width) solid var(--sm-color-border);
	border-radius: var(--sm-radius-circle);
	transition: var(--sm-transition-transform), var(--sm-transition-colors);
}

.sm-btopics__card:hover .sm-btopics__arrow {
	color: var(--sm-color-primary);
	border-color: var(--sm-color-border-brand);
	transform: translateX(2px);
}

/* ==========================================================================
   Filter bar
   ========================================================================== */

.sm-bfilters {
	position: sticky;
	top: var(--sm-header-height);
	z-index: var(--sm-z-sticky);
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	justify-content: space-between;
	gap: var(--sm-space-3);
	margin-bottom: var(--sm-space-6);
	padding: var(--sm-space-3);
	background-color: var(--sm-color-surface);
	border: var(--sm-border-width) solid var(--sm-color-border);
	border-radius: var(--sm-radius-lg);
	transition: var(--sm-transition-shadow);
}

.sm-bfilters.is-stuck {
	background-color: var(--sm-color-surface-glass);
	backdrop-filter: blur(var(--sm-blur-lg)) saturate(160%);
	-webkit-backdrop-filter: blur(var(--sm-blur-lg)) saturate(160%);
	box-shadow: var(--sm-shadow-md);
}

.sm-bfilters__tabs {
	display: flex;
	flex-wrap: wrap;
	gap: var(--sm-space-1-5);
	min-width: 0;
	overflow-x: auto;
	scrollbar-width: none;
}

.sm-bfilters__tabs::-webkit-scrollbar {
	display: none;
}

.sm-bfilters__tab {
	display: inline-flex;
	align-items: center;
	gap: var(--sm-space-1-5);
	flex: none;
	padding: var(--sm-space-2) var(--sm-space-3-5);
	font-size: var(--sm-text-xs);
	font-weight: var(--sm-weight-semibold);
	color: var(--sm-color-text-muted);
	border-radius: var(--sm-radius-pill);
	transition: var(--sm-transition-colors);
}

.sm-bfilters__tab:hover {
	color: var(--sm-color-text);
	background-color: var(--sm-color-surface-sunken);
}

.sm-bfilters__tab.is-active {
	color: var(--sm-color-primary-contrast);
	background-color: var(--sm-color-primary);
}

.sm-bfilters__count {
	font-size: var(--sm-text-2xs);
	font-variant-numeric: tabular-nums;
	opacity: 0.72;
}

.sm-bfilters__sort {
	display: flex;
	align-items: center;
	gap: var(--sm-space-2);
	flex: none;
}

.sm-bfilters__select {
	min-height: var(--sm-control-height-sm);
	padding-block: var(--sm-space-1-5);
	font-size: var(--sm-text-xs);
}

.sm-bfilters__apply {
	flex: none;
}

@media (scripting: enabled) {
	.sm-bfilters__apply {
		display: none;
	}
}

.sm-bresults__active-filter {
	margin-bottom: var(--sm-space-5);
	font-size: var(--sm-text-sm);
	color: var(--sm-color-text-muted);
}

.sm-bresults__active-filter a {
	margin-left: var(--sm-space-2);
	color: var(--sm-color-primary);
	text-decoration: underline;
}

/* ==========================================================================
   Article grid + card
   ========================================================================== */

.sm-bresults__grid {
	display: grid;
	grid-template-columns: minmax(0, 1fr);
	gap: var(--sm-space-6);
}

@media (min-width: 600px) {
	.sm-bresults__grid {
		grid-template-columns: repeat(2, minmax(0, 1fr));
	}
}

@media (min-width: 1280px) {
	.sm-bresults__grid {
		grid-template-columns: repeat(3, minmax(0, 1fr));
	}
}

.sm-bcard {
	position: relative;
	display: flex;
	flex-direction: column;
	background-color: var(--sm-color-surface);
	border: var(--sm-border-width) solid var(--sm-color-border);
	border-radius: var(--sm-radius-xl);
	overflow: hidden;
	transition: var(--sm-transition-transform), var(--sm-transition-shadow);
}

.sm-bcard:hover {
	border-color: var(--sm-color-border-strong);
	transform: translateY(-3px);
	box-shadow: var(--sm-shadow-card);
}

.sm-bcard__media {
	position: relative;
	display: block;
	aspect-ratio: 16 / 9;
	overflow: hidden;
	background-color: var(--sm-color-surface-sunken);
}

.sm-bcard__media img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	transition: transform var(--sm-duration-slower) var(--sm-ease-out);
}

.sm-bcard:hover .sm-bcard__media img {
	transform: scale(1.04);
}

.sm-bcard__body {
	display: flex;
	flex: 1 1 auto;
	flex-direction: column;
	gap: var(--sm-space-2-5);
	padding: var(--sm-space-5);
}

.sm-bcard__top {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	gap: var(--sm-space-2);
}

.sm-bcard__type {
	font-size: var(--sm-text-xs);
	font-weight: var(--sm-weight-bold);
	letter-spacing: var(--sm-tracking-wider);
	text-transform: uppercase;
	color: var(--sm-color-primary);
}

.sm-bcard__topic {
	font-size: var(--sm-text-xs);
	font-weight: var(--sm-weight-semibold);
	color: var(--sm-color-text-subtle);
	padding: var(--sm-space-0-5) var(--sm-space-2);
	background-color: var(--sm-color-surface-sunken);
	border-radius: var(--sm-radius-pill);
	position: relative;
	z-index: var(--sm-z-raised);
}

.sm-bcard__topic:hover {
	color: var(--sm-color-primary);
	background-color: var(--sm-color-primary-subtle);
}

.sm-bcard__level {
	font-size: var(--sm-text-xs);
	font-weight: var(--sm-weight-medium);
	color: var(--sm-color-text-disabled);
	margin-left: auto;
}

.sm-bcard__level--advanced {
	color: var(--sm-color-warning);
}

.sm-bcard__title {
	font-size: var(--sm-text-h4);
	font-weight: var(--sm-weight-semibold);
	line-height: var(--sm-leading-snug);
	color: var(--sm-color-text);
}

.sm-bcard__title a::after {
	content: "";
	position: absolute;
	inset: 0;
}

.sm-bcard:hover .sm-bcard__title {
	color: var(--sm-color-primary);
}

.sm-bcard__excerpt {
	font-size: var(--sm-text-base);
	line-height: var(--sm-leading-normal);
	color: var(--sm-color-text-subtle);
	display: -webkit-box;
	-webkit-line-clamp: 3;
	-webkit-box-orient: vertical;
	overflow: hidden;
}

.sm-bcard__meta {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	gap: var(--sm-space-1) var(--sm-space-3);
	font-size: var(--sm-text-xs);
	color: var(--sm-color-text-disabled);
}

.sm-bcard__meta-item {
	display: inline-flex;
	align-items: center;
	gap: var(--sm-space-1);
}

.sm-bcard__meta-item--updated {
	color: var(--sm-color-text-subtle);
}

.sm-bcard__byline {
	display: flex;
	align-items: center;
	gap: var(--sm-space-2);
	margin-top: var(--sm-space-1);
	padding-top: var(--sm-space-3);
	border-top: var(--sm-border-width) solid var(--sm-color-border-subtle);
}

.sm-bcard__avatar {
	flex: none;
	width: 26px;
	height: 26px;
	border-radius: var(--sm-radius-circle);
	object-fit: cover;
}

.sm-bcard__author {
	font-size: var(--sm-text-sm);
	font-weight: var(--sm-weight-medium);
	color: var(--sm-color-text-muted);
}

.sm-bcard__reviewer {
	display: inline-flex;
	align-items: center;
	gap: var(--sm-space-1);
	margin-left: auto;
	padding: var(--sm-space-0-5) var(--sm-space-2);
	font-size: var(--sm-text-xs);
	font-weight: var(--sm-weight-semibold);
	color: var(--sm-color-success);
	background-color: var(--sm-color-success-surface);
	border-radius: var(--sm-radius-pill);
}

.sm-bcard__cta {
	display: inline-flex;
	align-items: center;
	gap: var(--sm-space-1-5);
	margin-top: var(--sm-space-1);
	font-size: var(--sm-text-sm);
	font-weight: var(--sm-weight-semibold);
	color: var(--sm-color-primary);
}

.sm-bcard:hover .sm-bcard__cta {
	gap: var(--sm-space-2-5);
}

/* ==========================================================================
   Discovery: pagination + load more
   ========================================================================== */

.sm-bresults__discovery {
	display: flex;
	flex-direction: column;
	align-items: center;
	gap: var(--sm-space-4);
	margin-top: var(--sm-space-10);
}

.sm-bresults__load-more {
	min-width: 12rem;
}

.sm-bresults__load-more[hidden] {
	display: none;
}

.sm-bresults__load-more.is-loading {
	opacity: 0.72;
	pointer-events: none;
}

@media (scripting: enabled) {
	.sm-bresults__discovery .sm-pagination {
		display: none;
	}
}

/* ==========================================================================
   Trending content
   ========================================================================== */

.sm-btrend__list {
	display: flex;
	flex-direction: column;
	gap: var(--sm-space-1);
	margin-top: var(--sm-space-5);
}

.sm-btrend__item {
	border-bottom: var(--sm-border-width) solid var(--sm-color-border-subtle);
}

.sm-btrend__item:last-child {
	border-bottom: none;
}

.sm-btrend__link {
	display: flex;
	align-items: center;
	gap: var(--sm-space-4);
	padding-block: var(--sm-space-3);
	border-radius: var(--sm-radius-md);
	transition: var(--sm-transition-colors);
}

.sm-btrend__link:hover {
	color: var(--sm-color-primary);
}

.sm-btrend__thumb {
	flex: none;
	width: 64px;
	aspect-ratio: 4 / 3;
	overflow: hidden;
	border-radius: var(--sm-radius-md);
	background-color: var(--sm-color-surface-sunken);
}

.sm-btrend__thumb img {
	width: 100%;
	height: 100%;
	object-fit: cover;
}

.sm-btrend__text {
	display: flex;
	flex-direction: column;
	gap: var(--sm-space-1);
	min-width: 0;
}

.sm-btrend__title {
	font-size: var(--sm-text-sm);
	font-weight: var(--sm-weight-medium);
	color: var(--sm-color-text);
	overflow: hidden;
	text-overflow: ellipsis;
	white-space: nowrap;
}

.sm-btrend__link:hover .sm-btrend__title {
	color: var(--sm-color-primary);
}

.sm-btrend__meta {
	font-size: var(--sm-text-2xs);
	color: var(--sm-color-text-disabled);
}

/* ==========================================================================
   Popular searches
   ========================================================================== */

.sm-bsearches__chips {
	display: flex;
	flex-wrap: wrap;
	gap: var(--sm-space-2-5);
	margin-top: var(--sm-space-5);
}

/* ==========================================================================
   Sidebar
   ========================================================================== */

.sm-bsidebar {
	display: flex;
	flex-direction: column;
	gap: var(--sm-space-6);
}

.sm-bsidebar__block {
	padding-bottom: var(--sm-space-6);
	border-bottom: var(--sm-border-width) solid var(--sm-color-border-subtle);
}

.sm-bsidebar__block:last-child {
	border-bottom: none;
	padding-bottom: 0;
}

.sm-bsidebar__title {
	margin-bottom: var(--sm-space-3);
	font-size: var(--sm-text-xs);
	font-weight: var(--sm-weight-semibold);
	letter-spacing: var(--sm-tracking-wider);
	text-transform: uppercase;
	color: var(--sm-color-text-subtle);
}

.sm-bsidebar__list {
	display: flex;
	flex-direction: column;
	gap: var(--sm-space-1);
}

.sm-bsidebar__list a {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: var(--sm-space-3);
	padding: var(--sm-space-1-5) var(--sm-space-2);
	margin-inline: calc(var(--sm-space-2) * -1);
	font-size: var(--sm-text-sm);
	color: var(--sm-color-text-muted);
	border-radius: var(--sm-radius-sm);
	transition: var(--sm-transition-colors);
}

.sm-bsidebar__list a:hover {
	color: var(--sm-color-primary);
	background-color: var(--sm-color-primary-subtle);
}

.sm-bsidebar__list a span {
	flex: none;
	font-size: var(--sm-text-2xs);
	color: var(--sm-color-text-disabled);
}

.sm-bsidebar__more {
	display: inline-flex;
	align-items: center;
	gap: var(--sm-space-1-5);
	margin-top: var(--sm-space-2);
	font-size: var(--sm-text-xs);
	font-weight: var(--sm-weight-semibold);
	color: var(--sm-color-primary);
}

.sm-bsidebar__cta {
	padding: var(--sm-space-5);
	background-image: var(--sm-gradient-brand-soft);
	border-radius: var(--sm-radius-lg);
}

.sm-bsidebar__cta .sm-bsidebar__title {
	color: var(--sm-color-text);
}

.sm-bsidebar__cta p {
	margin-bottom: var(--sm-space-4);
	font-size: var(--sm-text-sm);
	color: var(--sm-color-text-muted);
}

/* ==========================================================================
   Motion + accessibility
   ========================================================================== */

@media (prefers-reduced-motion: reduce) {
	.sm-bfeatured__card,
	.sm-btopics__card,
	.sm-bcard,
	.sm-bfeatured__media img,
	.sm-bcard__media img {
		transition: none !important;
		transform: none !important;
	}
}

@media (max-width: 767px) {
	.sm-bfilters {
		position: static;
	}
}