/**
 * Atlas Vertical – Homepage (index) archive layout and pagination
 * v1: latest-videos hero + post grid; hero column count from theme setting.
 */

.page-archive {
  padding: var(--space-lg) var(--space-md) var(--space-2xl);
}

/* ---------------------------------------------------------------
   Home hero block (configurable layout)
   --------------------------------------------------------------- */

.home-hero {
  max-width: var(--container-wide);
  margin: 0 auto var(--space-md);
  padding: 0 var(--space-md);
}

/* Hero + scroll cue: single scroll target for JS */
.home-hero-ensemble {
  position: relative;
  max-width: var(--container-wide);
  margin-inline: auto;
  padding: 0 var(--space-md);
}

.home-hero-ensemble > .home-hero {
  margin-inline: calc(-1 * var(--space-md));
  margin-bottom: 0;
  padding-inline: var(--space-md);
}

/* Latest videos hero */
.home-hero--videos .hero-frame {
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

[data-theme="dark"] .home-hero--videos .hero-frame {
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.45);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .home-hero--videos .hero-frame {
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.45);
  }
}

.home-hero--videos .hero-card__label {
  color: var(--color-accent);
  font-weight: 600;
}

.home-hero--videos .home-hero__item {
  position: relative;
}

.home-hero--cols-1 .home-hero__item {
  max-width: 100%;
}

.home-hero--cols-2,
.home-hero--cols-3 {
  display: grid;
  gap: var(--space-xl);
}

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

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

.home-hero__item {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.home-hero--cols-1 .home-hero__item {
  padding-bottom: var(--space-lg);
}

.home-hero--cols-2 .home-hero__item,
.home-hero--cols-3 .home-hero__item {
  padding-bottom: 0;
}

.home-hero--cols-2 .home-hero__item .hero-card__content,
.home-hero--cols-3 .home-hero__item .hero-card__content {
  padding: 0;
  text-align: left;
}

.home-hero--cols-2 .home-hero__item .hero-card__title,
.home-hero--cols-3 .home-hero__item .hero-card__title {
  font-size: var(--font-size-lg);
}

.home-hero--cols-2 .home-hero__item .page-archive__stage,
.home-hero--cols-3 .home-hero__item .page-archive__stage {
  max-width: 100%;
  margin: 0;
}

.home-hero--cols-2 .home-hero__item .hero-frame,
.home-hero--cols-3 .home-hero__item .hero-frame {
  aspect-ratio: 9 / 16;
}

/* Desktop: thumbnail left, text right (single-column hero rows) */
@media (min-width: 768px) {
  .home-hero--cols-1 .home-hero__item {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: var(--space-xl);
    padding: 0 var(--space-lg) var(--space-xl);
  }

  .home-hero--cols-1 .home-hero__item .page-archive__stage {
    order: -1;
    flex-shrink: 0;
    width: 280px;
    max-width: 280px;
    margin: 0;
  }

  .home-hero--cols-1 .home-hero__item .hero-card__content {
    flex: 1;
    min-width: 0;
    text-align: left;
    padding: 0;
    margin: 0;
  }

  .home-hero--cols-1 .hero-scroll-indicator,
  .home-hero--cols-2 .hero-scroll-indicator {
    display: flex;
  }
}

@media (min-width: 1024px) {
  .home-hero--cols-1 .home-hero__item .page-archive__stage {
    width: 320px;
    max-width: 320px;
  }
}

/* Mobile: multi-column hero grids stack */
@media (max-width: 767px) {
  .home-hero--cols-2,
  .home-hero--cols-3 {
    grid-template-columns: 1fr;
  }
}

/* ---------------------------------------------------------------
   Legacy hero (kept for hero-card/hero-frame reuse)
   --------------------------------------------------------------- */

.page-archive__hero {
  max-width: var(--container-wide);
  margin: 0 auto;
  padding-bottom: var(--space-xl);
}

.page-archive__stage {
  display: block;
  max-width: 300px;
  margin: 0 auto;
  text-decoration: none;
  color: inherit;
}

.page-archive__stage:hover {
  text-decoration: none;
}

.page-archive__stage:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 4px;
  border-radius: 20px;
}

/* Desktop: hero becomes side-by-side — thumbnail left, text right */
@media (min-width: 768px) {
  .page-archive__hero {
    display: flex;
    align-items: center;
    gap: var(--space-xl);
    padding: 0 var(--space-lg) var(--space-xl);
  }

  .page-archive__stage {
    order: -1;
    flex-shrink: 0;
    width: 280px;
    max-width: 280px;
    margin: 0;
  }

  .hero-card__content {
    flex: 1;
    min-width: 0;
    text-align: left;
    padding: 0;
    margin: 0;
  }

  .hero-card__excerpt {
    margin-left: 0;
    margin-right: 0;
  }

  /* Keep cue on large screens — quieter, still guides */
  .hero-scroll-indicator {
    margin-top: var(--space-md);
    opacity: 0.42;
  }

  .hero-scroll-indicator__text {
    font-size: 10px;
  }
}

@media (min-width: 1024px) {
  .page-archive__stage {
    width: 320px;
    max-width: 320px;
  }
}

.home-hero__text-cta {
  display: inline-flex;
  align-self: flex-start;
  margin-top: var(--space-xs);
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-accent);
  text-decoration: none;
}

.home-hero__text-cta:hover {
  text-decoration: underline;
}

.post-feed--empty .home-placeholder-card {
  max-width: 36rem;
}

/* ---------------------------------------------------------------
   Secondary grid (shared)
   --------------------------------------------------------------- */

.secondary-grid {
  display: grid;
  gap: var(--space-xl);
  grid-template-columns: 1fr;
}

/* ---------------------------------------------------------------
   Section containers
   --------------------------------------------------------------- */

.page-archive__section {
  max-width: var(--container-wide);
  margin: 0 auto var(--space-2xl);
}

/* Next section: slight inset from hero */
.home-hero-ensemble + .page-archive__section {
  margin-top: var(--space-xs);
  padding-top: var(--space-sm);
}

.page-archive__section-label {
  font-size: clamp(var(--font-size-sm), 1.5vw, var(--font-size-base));
  font-weight: 600;
  line-height: var(--line-height-normal);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: var(--space-lg);
  padding-bottom: var(--space-xs);
  border-bottom: 1px solid var(--color-border);
}

/* ---------------------------------------------------------------
   4. Latest grid — auto-fit tracks (no ghost columns with 1–2 cards)
   --------------------------------------------------------------- */

.page-archive__grid {
  display: grid;
  gap: var(--space-xl);
  grid-template-columns: 1fr;
}

@media (min-width: 640px) {
  .page-archive__grid {
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 260px), 1fr));
  }
}

@media (min-width: 960px) {
  .page-archive__grid {
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr));
  }
}

@supports selector(:has(*)) {
  .page-archive__grid:has(> :only-child) {
    justify-items: center;
  }

  .page-archive__grid:has(> :only-child) > * {
    width: 100%;
    max-width: min(100%, 380px);
  }
}

/* ---------------------------------------------------------------
   5. Subscribe CTA
   --------------------------------------------------------------- */

.page-archive__cta {
  max-width: 560px;
  width: 100%;
  margin: var(--space-3xl) auto 0;
  padding-top: var(--space-2xl);
  border-top: 1px solid var(--color-border);
}

/* -----------------------------------------------------------
   Pagination (shared across index, tag, author pages)
   ----------------------------------------------------------- */

.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
  max-width: var(--container-wide);
  margin: var(--space-2xl) auto 0;
  padding-inline: var(--space-md);
}

.pagination a {
  display: inline-flex;
  align-items: center;
  padding: var(--space-sm) var(--space-lg);
  font-size: var(--font-size-sm);
  color: var(--color-text);
  border: 1px solid var(--color-border);
  border-radius: 6px;
  text-decoration: none;
  transition: border-color 0.2s;
}

.pagination a:hover {
  border-color: var(--color-text);
  text-decoration: none;
}

.pagination a:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

.page-number {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

/* -----------------------------------------------------------
   Static page
   ----------------------------------------------------------- */

.page-static {
  max-width: var(--container-max);
  margin-inline: auto;
  padding: var(--space-2xl) var(--space-md);
}

.page-static__feature {
  margin: 0 0 var(--space-xl);
}

.page-static__feature img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 12px;
}

.page-static__feature figcaption {
  margin-top: var(--space-sm);
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

.page-static__chips {
  margin-bottom: var(--space-md);
}

.page-static__header {
  margin-bottom: var(--space-xl);
}

.page-static__body {
  line-height: var(--line-height-relaxed);
}

.page-static__body p {
  line-height: var(--line-height-relaxed);
}

/* -----------------------------------------------------------
   Error page
   ----------------------------------------------------------- */

.page-error {
  min-height: 50vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-2xl);
  text-align: center;
}

.page-error__title {
  margin-bottom: var(--space-sm);
  font-size: var(--font-size-2xl);
  line-height: var(--line-height-tight);
  font-weight: 700;
}

.page-error__message {
  margin: 0;
  color: var(--color-text-muted);
  line-height: var(--line-height-relaxed);
}

@media (min-width: 960px) {
  .page-error__title {
    font-size: var(--font-size-3xl);
  }
}

.page-error__link {
  display: inline-block;
  margin-top: var(--space-lg);
  padding: var(--space-sm) var(--space-lg);
  border: 2px solid var(--color-accent);
  border-radius: 6px;
  color: var(--color-accent);
  font-weight: 600;
  text-decoration: none;
}

.page-error__link:hover {
  background: var(--color-accent);
  color: var(--color-on-accent);
  text-decoration: none;
}

.page-error__link:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

/* -----------------------------------------------------------
   Empty state (shared: homepage, tag archive, video feed)
   ----------------------------------------------------------- */

.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-3xl) var(--space-md);
  text-align: center;
  max-width: 480px;
  margin-inline: auto;
}

/* Standalone page context: add breathing room */
.empty-state--page {
  min-height: 40vh;
}

.empty-state__icon {
  color: var(--color-text-muted);
  opacity: 0.4;
  margin-bottom: var(--space-lg);
  flex-shrink: 0;
}

.empty-state__title {
  font-size: var(--font-size-xl);
  font-weight: 600;
  color: var(--color-text);
  margin: 0 0 var(--space-sm);
  line-height: var(--line-height-tight);
}

.empty-state__body {
  font-size: var(--font-size-base);
  color: var(--color-text-muted);
  line-height: var(--line-height-normal);
  margin: 0;
}

.empty-state__body code {
  font-family: var(--font-mono);
  background: var(--color-bg-alt);
  padding: 0.1em 0.4em;
  border-radius: 4px;
  font-size: 0.9em;
}

.empty-state__link {
  color: var(--color-accent);
  text-decoration: none;
  font-weight: 500;
}

.empty-state__link:hover {
  text-decoration: underline;
}

.empty-state__link:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
  border-radius: 2px;
}

/* -----------------------------------------------------------
   Responsive grids
   ----------------------------------------------------------- */

@media (min-width: 640px) {
  .secondary-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 960px) {
  .page-archive {
    padding: var(--space-2xl) var(--space-lg) var(--space-4xl);
  }
}

/* Tag archive: auto-fit + single-post centering (overrides pages/tag.css base) */
.page-tag__content {
  display: grid;
  gap: var(--space-xl);
  max-width: var(--container-wide);
  margin-inline: auto;
  grid-template-columns: 1fr;
}

@media (min-width: 640px) {
  .page-tag__content {
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 260px), 1fr));
  }
}

@media (min-width: 960px) {
  .page-tag__content {
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr));
  }
}

@supports selector(:has(*)) {
  .page-tag__content:has(> :only-child) {
    justify-items: center;
  }

  .page-tag__content:has(> :only-child) > * {
    width: 100%;
    max-width: min(100%, 380px);
  }
}

/* ---------------------------------------------------------------
   Homepage section rhythm (hero → feed; no demo / zero-post chrome)
   --------------------------------------------------------------- */

.page-archive__section--secondary {
  margin-top: var(--space-md);
}

.page-archive__section--feed {
  margin-top: var(--space-sm);
}

.home-hero-ensemble + .page-archive__section--secondary {
  margin-top: var(--space-md);
}

.empty-state--home-feed {
  margin-top: var(--space-lg);
  margin-bottom: var(--space-lg);
  max-width: 28rem;
  margin-left: auto;
  margin-right: auto;
}

/* Zero posts: minimal placeholder (not a full empty-state page) */
.page-archive__section--empty {
  margin-top: var(--space-lg);
  margin-bottom: var(--space-xl);
}

.home-placeholder-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  max-width: var(--container-wide);
  margin: 0 auto;
  padding: var(--space-lg) var(--space-md);
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md, 10px);
}

@media (min-width: 640px) {
  .home-placeholder-card {
    flex-direction: row;
    align-items: center;
  }
}

.home-placeholder-card__media {
  flex-shrink: 0;
  width: 120px;
  max-width: 32%;
  aspect-ratio: 9 / 16;
  border-radius: 12px;
  background: var(--color-text-muted);
  opacity: 0.2;
}

.home-placeholder-card__title {
  margin: 0 0 var(--space-xs);
  font-weight: 700;
  font-size: clamp(1rem, 2.5vw, 1.125rem);
}

.home-placeholder-card__text {
  margin: 0;
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  line-height: var(--line-height-normal);
}

.onboarding-hint {
  max-width: 36rem;
  margin: var(--space-xl) auto 0;
  padding: var(--space-md) var(--space-lg);
  font-size: var(--font-size-sm);
  line-height: var(--line-height-normal);
  color: var(--color-text-muted);
  background: var(--color-bg-alt);
  border-radius: var(--radius-md, 10px);
  border: 1px solid var(--color-border, rgba(0, 0, 0, 0.06));
  text-align: center;
}

.onboarding-hint--subtle {
  font-size: var(--font-size-xs);
  padding: var(--space-sm) var(--space-md);
  opacity: 0.92;
}

.empty-state--inline {
  padding: var(--space-xl);
  text-align: center;
  background: var(--color-bg-alt);
  border-radius: var(--radius-md, 10px);
  border: 1px solid var(--color-border, rgba(0, 0, 0, 0.06));
}

.empty-state--inline .empty-state__title {
  margin-top: 0;
}