/* PlayNova Atlas — Neon Play layout regions */

/* —— Topbar (scrolls with page; legacy .at-rail alias) —— */
.at-topbar,
.at-rail {
  position: relative;
  z-index: 100;
  background: var(--at-glass);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--at-line-neon);
  transition: box-shadow var(--at-dur) var(--at-ease);
}

.at-topbar.is-scrolled,
.at-rail.is-scrolled {
  box-shadow: var(--at-glow-cyan);
}

.at-topbar__inner,
.at-rail__inner {
  display: flex;
  align-items: center;
  gap: var(--at-space-sm);
  min-height: var(--at-header-h);
}

.at-brand {
  display: flex;
  align-items: center;
  gap: var(--at-space-xs);
  text-decoration: none;
  color: var(--at-ink);
  flex-shrink: 0;
}

.at-brand__pad,
.at-brand__glyph {
  width: 36px;
  height: 36px;
  border-radius: var(--at-radius-sm);
  background: var(--at-gradient-mag-cyan);
  color: var(--at-void);
  font-family: var(--at-font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  display: grid;
  place-items: center;
  box-shadow: var(--at-glow-cyan), var(--at-glow-magenta);
}

.at-brand__pad svg {
  display: block;
}

.at-brand__name {
  font-family: var(--at-font-display);
  font-size: 1.15rem;
  line-height: 1.1;
}

.at-brand__sub {
  display: block;
  font-family: var(--at-font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--at-ink-muted);
}

.at-topnav,
.at-nav {
  display: flex;
  align-items: center;
  gap: 0.15rem;
  margin-left: auto;
}

.at-topnav__link,
.at-nav__link {
  padding: 0.45rem 0.85rem;
  border-radius: var(--at-radius-pill);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--at-ink-soft);
  text-decoration: none;
  transition: background var(--at-dur) var(--at-ease), color var(--at-dur) var(--at-ease), box-shadow var(--at-dur) var(--at-ease);
}

.at-brand--play .at-brand__name {
  background: var(--at-gradient-mag-cyan);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  text-shadow: none;
  filter: drop-shadow(0 0 10px rgba(255, 0, 255, 0.35));
}

.at-topnav__link:hover,
.at-topnav__link.is-active,
.at-nav__link:hover,
.at-nav__link[aria-current="page"] {
  background: linear-gradient(135deg, rgba(255, 0, 255, 0.18), rgba(0, 255, 255, 0.12));
  color: var(--at-ink);
  box-shadow: inset 0 0 0 1px rgba(0, 255, 255, 0.35), var(--at-glow-cyan);
}

/* —— Nav category dropdown —— */
.at-nav-drop {
  position: relative;
}

.at-nav-drop__toggle {
  cursor: pointer;
  border: none;
  font-family: inherit;
}

.at-nav-drop__toggle::after {
  content: "▾";
  margin-left: 0.25rem;
  font-size: 0.75em;
  opacity: 0.75;
}

.at-nav-drop__panel {
  position: absolute;
  top: calc(100% + 0.35rem);
  left: 0;
  min-width: 11rem;
  max-height: 16rem;
  overflow-y: auto;
  padding: 0.35rem;
  border-radius: var(--at-radius-md);
  background: rgba(10, 15, 40, 0.96);
  border: 1px solid rgba(0, 255, 255, 0.28);
  box-shadow: var(--at-glow-cyan);
  z-index: 130;
}

.at-nav-drop__item {
  display: block;
  padding: 0.45rem 0.65rem;
  border-radius: var(--at-radius-sm);
  color: var(--at-ink-soft);
  text-decoration: none;
  font-size: 0.88rem;
  min-height: 36px;
}

.at-nav-drop__item:hover {
  background: var(--at-accent-soft);
  color: var(--at-accent);
}

.at-mobile-nav__label,
.at-mobile-nav__cats,
.at-mobile-nav__legal {
  display: none;
}

.at-menu-btn {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  margin-left: auto;
  padding: 0;
  border: 1px solid var(--at-line-neon);
  border-radius: var(--at-radius-sm);
  background: var(--at-surface);
  cursor: pointer;
}

.at-menu-btn__bar {
  display: block;
  width: 18px;
  height: 2px;
  margin-inline: auto;
  background: var(--at-accent);
  transition: transform var(--at-dur) var(--at-ease);
}

/* —— Full-bleed hero banner —— */
.at-banner {
  position: relative;
  min-height: clamp(280px, 48vw, 520px);
  display: flex;
  align-items: flex-start;
  overflow: hidden;
  border-bottom: 1px solid var(--at-line-neon);
}

.at-banner__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.at-banner__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: right center;
}

.at-banner__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(105deg, rgba(5, 7, 20, 0.9) 0%, rgba(5, 7, 20, 0.62) 40%, rgba(5, 7, 20, 0.2) 72%, transparent 100%),
    linear-gradient(0deg, var(--at-void) 0%, transparent 30%);
}

.at-banner__content {
  position: relative;
  z-index: 1;
  padding-block: var(--at-space-xs) var(--at-space-md);
  max-width: 38rem;
}

.at-banner__title {
  font-size: clamp(2rem, 5.5vw, 3.25rem);
  margin: var(--at-space-sm) 0 var(--at-space-md);
  text-shadow:
    0 0 24px rgba(0, 255, 255, 0.45),
    0 0 48px rgba(255, 0, 255, 0.2);
}

.at-banner__features {
  list-style: none;
  margin: 0 0 var(--at-space-xs);
  padding: 0;
  display: flex;
  flex-wrap: nowrap;
  align-items: stretch;
  gap: clamp(0.12rem, 1.1vw, 0.4rem);
  width: 100%;
  max-width: 100%;
}

.at-banner__features li {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.12em;
  flex: 1 1 0;
  min-width: 0;
  font-size: clamp(0.52rem, 1.9vw + 0.08rem, 0.78rem);
  line-height: 1.15;
  color: var(--at-ink-soft);
  padding: 0.22em clamp(0.28em, 1.1vw, 0.5em);
  border-radius: var(--at-radius-pill);
  background: rgba(10, 15, 40, 0.72);
  border: 1px solid rgba(0, 255, 255, 0.22);
  box-shadow: inset 0 0 12px rgba(0, 255, 255, 0.06);
  white-space: nowrap;
  text-align: center;
}

.at-banner__feat-icon {
  flex-shrink: 0;
  font-size: clamp(0.55rem, 1.7vw + 0.05rem, 0.75rem);
  line-height: 1;
}

.at-banner__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--at-space-xs);
}

/* —— Hot games carousel section —— */
.at-hot {
  padding-block: var(--at-space-md);
}

/* —— Category icon strip —— */
.at-cat-strip {
  padding-block: var(--at-space-sm) var(--at-space-md);
  background: rgba(6, 10, 24, 0.95);
  border-block: 1px solid rgba(0, 255, 255, 0.12);
}

/* —— Rankings —— */
.at-rank {
  padding-block: var(--at-space-md);
}

.at-rank__grid {
  display: grid;
  grid-template-columns: 1fr minmax(200px, 0.55fr);
  gap: var(--at-space-lg);
  align-items: center;
}

.at-rank__panel {
  padding: var(--at-space-md);
  border-radius: var(--at-radius-lg);
  background: rgba(10, 15, 40, 0.82);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(0, 255, 255, 0.28);
  box-shadow: var(--at-glow-cyan), var(--at-glow-violet);
}

.at-rank__visual {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 280px;
}

/* —— Game center catalog —— */
.at-game-center {
  padding-block: var(--at-space-md) var(--at-space-lg);
}

.at-catalog-mount {
  display: flex;
  flex-direction: column;
  gap: var(--at-space-md);
}

.at-cat-section__head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: var(--at-space-xs);
  margin-bottom: var(--at-space-xs);
  padding-bottom: var(--at-space-xs);
  border-bottom: 1px solid var(--at-line);
}

.at-cat-section .at-label {
  margin-bottom: 0.15rem;
}

.at-cat-section__title {
  font-size: clamp(1.25rem, 2.5vw, 1.65rem);
  margin: 0;
}

/* —— Category page —— */
.at-category-page {
  padding-block: var(--at-space-sm) var(--at-space-lg);
}

.at-category-page__crumb {
  margin-bottom: var(--at-space-md);
}

.at-category-page__crumb a {
  color: var(--at-ink-soft);
  text-decoration: none;
}

.at-category-page__crumb a:hover {
  color: var(--at-accent);
}

.at-category-page__head {
  margin-bottom: var(--at-space-md);
}

.at-category-page__head .at-display {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  margin: 0.35rem 0;
}

.at-category-page__note {
  margin-bottom: var(--at-space-md);
  border-radius: var(--at-radius-md);
}

/* —— Detail: cinema stage —— */
.at-stage-wrap {
  background: var(--at-stage);
  padding-block: var(--at-space-md);
}

.at-stage {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  border-radius: var(--at-radius-md);
  overflow: hidden;
  background: var(--at-stage);
  border: 1px solid var(--at-line-neon);
  box-shadow: var(--at-glow-cyan);
}

.at-stage__overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background-size: cover;
  background-position: center;
}

.at-stage__veil {
  position: absolute;
  inset: 0;
  background: oklch(10% 0.04 265 / 0.65);
}

.at-detail-head {
  padding-block: var(--at-space-md);
}

.at-detail-head__row {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  gap: var(--at-space-sm);
}

.at-detail-head__icon {
  width: 72px;
  height: 72px;
  border-radius: var(--at-radius-sm);
  border: 1px solid var(--at-line-neon);
  object-fit: cover;
  background: var(--at-void-3);
  box-shadow: var(--at-glow-cyan);
}

.at-detail-head h1 {
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  margin: 0;
}

/* —— Guide horizontal segments —— */
.at-guide {
  padding-block: var(--at-space-lg) var(--at-space-xl);
}

.at-guide__tabs {
  display: flex;
  gap: 0.35rem;
  overflow-x: auto;
  padding-bottom: var(--at-space-xs);
  margin-bottom: var(--at-space-md);
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

.at-guide__panel {
  display: none;
  max-width: 68ch;
}

.at-guide__viewport .at-guide__panel {
  max-width: none;
  margin: 0;
  padding: var(--at-space-xs) var(--at-space-sm);
  font-size: 0.9rem;
  line-height: 1.55;
  color: var(--at-ink-soft);
}

.at-guide__viewport {
  position: relative;
  box-sizing: border-box;
  width: 100%;
  max-width: 68ch;
  overflow: hidden;
  border: 1px solid var(--at-line-neon);
  border-radius: var(--at-radius-sm);
  background: var(--at-void-2);
  transition: height 0.35s var(--at-ease);
}

.at-guide__viewport.is-collapsed {
  height: 300px;
}

.at-guide__viewport.is-expanded {
  height: auto;
  overflow: visible;
}

.at-guide__fade {
  position: absolute;
  inset-inline: 0;
  bottom: 0;
  height: 3.5rem;
  background: linear-gradient(to bottom, transparent, var(--at-void-2) 72%);
  pointer-events: none;
  transition: opacity 0.2s var(--at-ease);
}

.at-guide__viewport.is-expanded .at-guide__fade {
  opacity: 0;
}

.at-guide__toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  width: 100%;
  max-width: 68ch;
  margin-top: 0.4rem;
  padding: 0.45rem 0.75rem;
  min-height: 44px;
  border: 1px solid var(--at-line-neon);
  border-radius: var(--at-radius-sm);
  background: var(--at-surface);
  color: var(--at-accent);
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  transition: background var(--at-dur) var(--at-ease), box-shadow var(--at-dur) var(--at-ease);
}

.at-guide__toggle:hover {
  background: var(--at-accent-soft);
  box-shadow: var(--at-glow-cyan);
}

.at-guide__toggle[hidden] {
  display: none;
}

.at-guide__toggle-icon {
  flex-shrink: 0;
  transition: transform 0.25s var(--at-ease);
}

.at-guide__toggle[aria-expanded="true"] .at-guide__toggle-icon {
  transform: rotate(180deg);
}

.at-guide__panel.is-active {
  display: block;
}

.at-guide__panel h2 {
  font-family: var(--at-font-display);
  font-size: 1.35rem;
  margin: 0 0 0.75rem;
}

/* —— Related tile grid —— */
.at-related {
  padding-block: var(--at-space-lg);
  border-top: 1px solid var(--at-line-neon);
}

/* —— Prose pages —— */
.at-prose {
  padding-block: var(--at-space-md) var(--at-space-lg);
  max-width: 42rem;
}

.at-prose h1 {
  font-family: var(--at-font-display);
  font-size: clamp(2rem, 5vw, 2.75rem);
  margin-bottom: var(--at-space-sm);
}

.at-prose h2 {
  font-family: var(--at-font-display);
  font-size: 1.35rem;
  margin-top: var(--at-space-lg);
}

.at-prose p,
.at-prose li {
  color: var(--at-ink-soft);
}

.at-prose--legal {
  max-width: 48rem;
}

.at-prose h3 {
  font-family: var(--at-font-display);
  font-size: 1.2rem;
  margin-top: var(--at-space-md);
  margin-bottom: 0.35rem;
}

.at-prose h4 {
  font-size: 1rem;
  font-weight: 600;
  margin-top: var(--at-space-sm);
  margin-bottom: 0.25rem;
  color: var(--at-ink);
}

.at-prose ul {
  padding-left: 1.25rem;
  margin: 0.5rem 0 1rem;
}

.at-prose a {
  color: var(--at-accent);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.at-prose a:hover {
  color: var(--at-accent-2);
}

/* —— Footer (cipher-style) —— */
.at-foot {
  margin-top: var(--at-space-md);
  background: var(--at-footer-bg);
  color: var(--at-footer-ink);
}

.at-foot__wave {
  display: block;
  width: 100%;
  height: 28px;
  color: var(--at-accent);
  opacity: 0.55;
}

.at-foot__grid {
  display: grid;
  gap: var(--at-space-xs);
  padding: var(--at-space-sm) 0 var(--at-space-xs);
  align-items: center;
}

.at-foot__nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 0.15rem 0.85rem;
}

.at-foot__nav a {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  padding: 0.1rem 0;
  color: var(--at-footer-ink);
  text-decoration: none;
  font-size: 0.82rem;
  font-weight: 500;
  line-height: 1.2;
}

.at-foot__nav a:hover {
  color: var(--at-accent);
  text-decoration: underline;
}

.at-foot__bottom {
  margin: 0;
  padding: var(--at-space-2xs) 0 var(--at-space-sm);
  border-top: 1px solid rgba(100, 120, 180, 0.22);
  font-size: 0.75rem;
  line-height: 1.35;
  color: oklch(70% 0.02 240);
  text-align: center;
}

@media (min-width: 768px) {
  .at-foot__nav {
    justify-content: flex-end;
  }
}

/* —— Ad slots —— */
.at-ad-slot {
  padding-block: var(--at-space-sm);
  min-height: 50px;
}

.at-ad-slot--inset {
  margin-block: var(--at-space-md);
  padding: var(--at-space-sm);
  border: 1px dashed var(--at-line-neon);
  border-radius: var(--at-radius-sm);
  background: var(--at-void-2);
  display: flex;
  align-items: center;
  justify-content: center;
}

/* —— Responsive —— */
@media (max-width: 900px) {
  .at-rank__grid {
    grid-template-columns: 1fr;
  }

  .at-rank__visual {
    display: none;
  }
}

@media (max-width: 768px) {
  .at-menu-btn {
    display: flex;
  }

  .at-topnav,
  .at-nav {
    display: none;
    position: absolute;
    top: var(--at-header-h);
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    padding: var(--at-space-sm);
    background: var(--at-surface);
    border-bottom: 1px solid var(--at-line);
    box-shadow: 0 12px 32px oklch(22% 0.03 255 / 0.1);
    margin-left: 0;
  }

  .at-topnav.is-open,
  .at-nav.is-open {
    display: flex;
  }

  .at-nav-drop {
    display: none;
  }

  .at-topnav.is-open .at-mobile-nav__label,
  .at-topnav.is-open .at-mobile-nav__cats,
  .at-topnav.is-open .at-mobile-nav__legal {
    display: block;
    width: 100%;
  }

  .at-mobile-nav__label {
    margin: var(--at-space-xs) 0 0;
    padding-top: var(--at-space-xs);
    border-top: 1px solid var(--at-line);
  }

  .at-mobile-nav__cats,
  .at-mobile-nav__legal {
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
  }

  .at-topnav__link--cat,
  .at-topnav__link--legal {
    font-size: 0.88rem;
  }

  .at-topbar__inner,
  .at-rail__inner {
    position: relative;
    flex-wrap: nowrap;
    align-items: center;
  }

  .at-menu-btn {
    order: 3;
    margin-left: 0.35rem;
    flex-shrink: 0;
  }

  .at-brand {
    flex: 1;
    min-width: 0;
  }

  .at-brand__sub {
    display: none;
  }

  .at-detail-head__row {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 414px) {
  .at-banner {
    min-height: clamp(220px, 62vw, 360px);
  }

  .at-banner__content {
    padding-top: var(--at-space-2xs);
  }

  .at-banner__actions .at-btn {
    width: 100%;
    justify-content: center;
  }
}