/**
 * PlayNova Atlas — Neon Grid UI components
 */

/* —— Buttons —— */
.at-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  min-height: 44px;
  padding: 0.55rem 1.15rem;
  border-radius: var(--at-radius-pill);
  font-family: var(--at-font-body);
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  transition:
    background var(--at-dur) var(--at-ease),
    color var(--at-dur) var(--at-ease),
    border-color var(--at-dur) var(--at-ease),
    box-shadow var(--at-dur) var(--at-ease),
    transform var(--at-dur) var(--at-ease);
}

.at-btn:active:not(:disabled) {
  transform: translateY(1px);
}

.at-btn--primary {
  background: var(--at-gradient-primary);
  color: var(--at-ink);
  box-shadow: var(--at-glow-cyan), var(--at-glow-magenta);
}

.at-btn--primary:hover {
  box-shadow: 0 0 32px rgba(0, 255, 255, 0.55), 0 0 24px rgba(255, 0, 255, 0.35);
  color: var(--at-ink);
}

.at-btn--ghost {
  background: transparent;
  border-color: var(--at-line-neon);
  color: var(--at-ink);
}

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

.at-btn--signal {
  background: var(--at-gradient-primary);
  color: var(--at-ink);
  box-shadow: var(--at-glow-magenta), var(--at-glow-cyan);
}

.at-btn--signal:hover {
  box-shadow: 0 0 32px rgba(255, 0, 255, 0.5), 0 0 24px rgba(0, 255, 255, 0.4);
  color: var(--at-ink);
}

.at-btn--outline {
  background: transparent;
  border-color: rgba(255, 255, 255, 0.55);
  color: var(--at-ink);
  box-shadow: 0 0 14px rgba(255, 255, 255, 0.08);
}

.at-btn--outline:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(0, 255, 255, 0.6);
  color: var(--at-ink);
  box-shadow: var(--at-glow-cyan);
}

.at-btn--lg {
  min-height: 48px;
  padding: 0.65rem 1.5rem;
  font-size: 1rem;
}

.at-btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

/* —— Channel filter chips —— */
.at-chip {
  min-height: 44px;
  padding: 0.4rem 1rem;
  border: 1px solid var(--at-line);
  border-radius: var(--at-radius-pill);
  background: var(--at-surface);
  font-family: var(--at-font-mono);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: capitalize;
  color: var(--at-ink-soft);
  cursor: pointer;
  transition:
    background var(--at-dur) var(--at-ease),
    border-color var(--at-dur) var(--at-ease),
    color var(--at-dur) var(--at-ease),
    box-shadow var(--at-dur) var(--at-ease);
}

.at-chip:hover {
  border-color: var(--at-line-neon);
  color: var(--at-accent);
  box-shadow: var(--at-glow-cyan);
}

.at-chip.is-active {
  background: var(--at-accent-soft);
  border-color: var(--at-accent);
  color: var(--at-accent);
  box-shadow: var(--at-glow-cyan);
}

/* —— Header search —— */
.at-search-wrap {
  position: relative;
  margin-left: var(--at-space-sm);
  flex-shrink: 0;
}

.at-search__toggle {
  display: none;
}

.at-search {
  display: flex;
  align-items: center;
  gap: 0;
  max-width: 220px;
  border: 1px solid rgba(0, 255, 255, 0.28);
  border-radius: var(--at-radius-pill);
  background: rgba(5, 7, 20, 0.85);
  overflow: hidden;
  box-shadow: inset 0 0 14px rgba(0, 255, 255, 0.06);
}

.at-search__input {
  flex: 1;
  min-width: 0;
  min-height: 40px;
  padding: 0.4rem 0.85rem;
  border: none;
  background: transparent;
  color: var(--at-ink);
  font-family: var(--at-font-body);
  font-size: 0.88rem;
}

.at-search__input::placeholder {
  color: var(--at-ink-muted);
}

.at-search__input:focus {
  outline: none;
}

.at-search__btn {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  padding: 0;
  border: none;
  background: transparent;
  color: var(--at-accent);
  cursor: pointer;
}

@media (max-width: 768px) {
  .at-search-wrap {
    margin-left: auto;
    order: 2;
  }

  .at-search__toggle {
    display: grid;
    place-items: center;
    width: 44px;
    height: 44px;
    padding: 0;
    border: 1px solid rgba(0, 255, 255, 0.28);
    border-radius: var(--at-radius-sm);
    background: rgba(5, 7, 20, 0.85);
    color: var(--at-accent);
    cursor: pointer;
    box-shadow: inset 0 0 12px rgba(0, 255, 255, 0.06);
  }

  .at-search-wrap.is-open .at-search__toggle {
    border-color: var(--at-accent);
    box-shadow: var(--at-glow-cyan);
  }

  /* Higher specificity than .at-search — must come after base rule */
  .at-search-wrap:not(.is-open) .at-search {
    display: none;
  }

  .at-search-wrap.is-open .at-search {
    display: flex;
    position: absolute;
    top: calc(100% + 0.45rem);
    right: 0;
    width: min(calc(100vw - 2rem), 300px);
    max-width: none;
    z-index: 120;
    box-shadow: var(--at-glow-cyan);
  }
}

/* —— Section headings —— */
.at-section-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--at-space-xs);
  margin-bottom: var(--at-space-sm);
}

.at-section-head--compact {
  margin-bottom: var(--at-space-sm);
}

.at-section-head__title {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--at-font-display);
  font-size: clamp(1.25rem, 2.8vw, 1.75rem);
  font-weight: 800;
  margin: 0;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  text-shadow: 0 0 16px rgba(255, 0, 255, 0.2);
}

.at-section-head__icon {
  font-size: 1.2em;
}

.at-section-head__badge {
  font-family: var(--at-font-mono);
  font-size: 0.55em;
  padding: 0.2em 0.55em;
  border-radius: var(--at-radius-pill);
  background: var(--at-magenta-soft);
  color: var(--at-magenta);
  letter-spacing: 0.1em;
  box-shadow: var(--at-glow-magenta);
}

.at-section-head__more {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--at-accent);
  text-decoration: none;
}

.at-section-head__more:hover {
  color: var(--at-accent-hover);
}

/* —— more+ category link —— */
.at-more-plus {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 36px;
  padding: 0.35rem 0.9rem;
  border-radius: var(--at-radius-pill);
  border: 1px solid rgba(255, 0, 255, 0.45);
  background: rgba(255, 0, 255, 0.1);
  color: var(--at-magenta);
  font-family: var(--at-font-mono);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-decoration: none;
  text-transform: lowercase;
  box-shadow: var(--at-glow-magenta);
  transition:
    background var(--at-dur) var(--at-ease),
    border-color var(--at-dur) var(--at-ease),
    box-shadow var(--at-dur) var(--at-ease),
    color var(--at-dur) var(--at-ease);
  flex-shrink: 0;
}

.at-more-plus:hover {
  background: rgba(255, 0, 255, 0.18);
  border-color: var(--at-magenta);
  color: var(--at-ink);
  box-shadow: var(--at-glow-magenta), var(--at-glow-cyan);
}

/* —— Homepage category preview: 3 columns × 1 row —— */
.at-cat-preview-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.55rem;
}

.at-cat-preview {
  border-radius: var(--at-radius-md);
  background: rgba(10, 15, 40, 0.82);
  border: 1px solid rgba(0, 255, 255, 0.18);
  overflow: hidden;
  transition:
    border-color var(--at-dur) var(--at-ease),
    box-shadow var(--at-dur) var(--at-ease),
    transform var(--at-dur) var(--at-ease);
}

.at-cat-preview:hover {
  border-color: rgba(0, 255, 255, 0.42);
  box-shadow: var(--at-glow-cyan);
  transform: translateY(-2px);
}

.at-cat-preview__link {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.4rem;
  padding: 0.55rem 0.4rem 0.6rem;
  min-height: 44px;
  height: 100%;
  color: var(--at-ink);
  text-decoration: none;
  text-align: center;
}

.at-cat-preview__icon {
  width: 56px;
  height: 56px;
  border-radius: var(--at-radius-sm);
  object-fit: cover;
  border: 1px solid rgba(0, 255, 255, 0.25);
  background: var(--at-void-3);
}

.at-cat-preview__title {
  font-family: var(--at-font-display);
  font-size: 0.78rem;
  font-weight: 700;
  line-height: 1.3;
  margin: 0;
  width: 100%;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  overflow-wrap: anywhere;
}

.at-cat-preview__cta {
  margin-top: auto;
  display: block;
  width: 100%;
  padding: 0.35rem 0.25rem;
  border-radius: var(--at-radius-pill);
  border: 1px solid rgba(0, 255, 255, 0.28);
  font-family: var(--at-font-mono);
  font-size: 0.62rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--at-accent);
  box-shadow: inset 0 0 10px rgba(0, 255, 255, 0.06);
  transition: background var(--at-dur) var(--at-ease);
}

.at-cat-preview:hover .at-cat-preview__cta {
  background: var(--at-accent-soft);
}

/* —— Single-column lane list (category page + search) —— */
.at-lane-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.at-lane-list--page {
  gap: 0.55rem;
}

.at-lane-list__ad {
  margin-block: var(--at-space-sm);
}

.at-lane-row {
  border-radius: var(--at-radius-md);
  background: rgba(10, 15, 40, 0.82);
  border: 1px solid rgba(0, 255, 255, 0.18);
  transition:
    border-color var(--at-dur) var(--at-ease),
    box-shadow var(--at-dur) var(--at-ease),
    transform var(--at-dur) var(--at-ease);
}

.at-lane-row:hover {
  border-color: rgba(0, 255, 255, 0.42);
  box-shadow: var(--at-glow-cyan);
  transform: translateY(-1px);
}

.at-lane-row__link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.55rem 0.65rem;
  min-height: 44px;
  color: var(--at-ink);
  text-decoration: none;
}

.at-lane-row__icon {
  width: 52px;
  height: 52px;
  border-radius: var(--at-radius-sm);
  object-fit: cover;
  flex-shrink: 0;
  border: 1px solid rgba(0, 255, 255, 0.25);
  background: var(--at-void-3);
}

.at-lane-row__body {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.at-lane-row__cat {
  font-family: var(--at-font-mono);
  font-size: 0.58rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--at-magenta);
}

.at-lane-row__title {
  font-family: var(--at-font-display);
  font-size: 0.92rem;
  font-weight: 700;
  line-height: 1.3;
  margin: 0;
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
  overflow: hidden;
  overflow-wrap: anywhere;
}

.at-lane-row__desc {
  margin: 0;
  font-size: 0.75rem;
  line-height: 1.35;
  color: var(--at-ink-muted);
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.at-lane-row__play {
  flex-shrink: 0;
  font-family: var(--at-font-mono);
  font-size: 0.62rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--at-accent);
  padding: 0.35rem 0.5rem;
  border-radius: var(--at-radius-pill);
  border: 1px solid rgba(0, 255, 255, 0.25);
}

.at-lane-row:hover .at-lane-row__play {
  background: var(--at-accent-soft);
}

/* —— Hot game carousel cards —— */
.at-hot__track {
  display: flex;
  gap: var(--at-space-sm);
  overflow-x: auto;
  padding-bottom: var(--at-space-xs);
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  scrollbar-color: var(--at-line-neon) transparent;
}

.at-hot-card {
  flex: 0 0 min(280px, 78vw);
  scroll-snap-align: start;
  border-radius: var(--at-radius-md);
  background: rgba(10, 15, 40, 0.88);
  border: 1px solid rgba(0, 255, 255, 0.28);
  overflow: hidden;
  transition: box-shadow var(--at-dur) var(--at-ease), transform var(--at-dur) var(--at-ease);
}

.at-hot-card:hover {
  box-shadow: var(--at-glow-cyan), var(--at-glow-magenta);
  transform: translateY(-3px);
}

.at-hot-card__link {
  display: flex;
  flex-direction: column;
  height: 100%;
  color: var(--at-ink);
  text-decoration: none;
}

.at-hot-card__thumb {
  position: relative;
  aspect-ratio: 16 / 10;
  background: var(--at-void-3);
  overflow: hidden;
}

.at-hot-card__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.at-hot-card__badge {
  position: absolute;
  top: 0.5rem;
  left: 0.5rem;
  padding: 0.2rem 0.55rem;
  border-radius: var(--at-radius-pill);
  background: linear-gradient(135deg, #ff00ff, #bd00ff);
  color: var(--at-ink);
  font-family: var(--at-font-mono);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  box-shadow: var(--at-glow-magenta);
}

.at-hot-card__body {
  padding: 0.75rem 0.85rem 0.85rem;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  flex: 1;
}

.at-hot-card__title {
  font-family: var(--at-font-display);
  font-size: 1rem;
  font-weight: 700;
  margin: 0;
  line-height: 1.3;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.at-hot-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.at-hot-card__tag {
  padding: 0.15rem 0.5rem;
  border-radius: var(--at-radius-pill);
  font-family: var(--at-font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  background: var(--at-accent-soft);
  color: var(--at-accent);
  border: 1px solid oklch(78% 0.18 195 / 0.25);
}

.at-hot-card__cta {
  margin-top: auto;
  display: block;
  text-align: center;
  padding: 0.45rem;
  border-radius: var(--at-radius-pill);
  border: 1px solid var(--at-line-neon);
  font-family: var(--at-font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--at-accent);
  box-shadow: var(--at-glow-cyan);
  transition: background var(--at-dur) var(--at-ease);
}

.at-hot-card:hover .at-hot-card__cta {
  background: var(--at-accent-soft);
}

/* —— Category icon strip —— */
.at-cat-strip__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 110px), 1fr));
  gap: var(--at-space-sm);
}

.at-cat-icon {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.35rem;
  padding: var(--at-space-sm) 0.5rem;
  border: 1px solid rgba(0, 255, 255, 0.2);
  border-radius: var(--at-radius-md);
  background: rgba(10, 15, 40, 0.75);
  color: var(--at-ink-soft);
  text-decoration: none;
  cursor: pointer;
  transition:
    border-color var(--at-dur) var(--at-ease),
    box-shadow var(--at-dur) var(--at-ease),
    color var(--at-dur) var(--at-ease),
    transform var(--at-dur) var(--at-ease);
  min-height: 44px;
}

.at-cat-icon:hover,
.at-cat-icon:focus-visible {
  border-color: var(--at-line-neon);
  color: var(--at-accent);
  box-shadow: var(--at-glow-cyan);
  transform: translateY(-2px);
}

.at-cat-icon__glyph {
  font-size: 1.75rem;
  line-height: 1;
  filter: drop-shadow(0 0 10px rgba(0, 255, 255, 0.45));
}

.at-cat-icon__name {
  font-size: 0.78rem;
  font-weight: 600;
  text-align: center;
  line-height: 1.2;
}

.at-cat-icon__abbr {
  font-family: var(--at-font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.08em;
  color: var(--at-ink-muted);
  text-transform: uppercase;
}

/* —— Rankings —— */
.at-rank__tabs {
  display: flex;
  gap: 0.35rem;
  margin-bottom: var(--at-space-md);
  flex-wrap: wrap;
}

.at-rank__tab {
  min-height: 40px;
  padding: 0.35rem 0.9rem;
  border: 1px solid var(--at-line);
  border-radius: var(--at-radius-pill);
  background: var(--at-void-2);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--at-ink-soft);
  cursor: pointer;
  transition: background var(--at-dur) var(--at-ease), border-color var(--at-dur) var(--at-ease), color var(--at-dur) var(--at-ease), box-shadow var(--at-dur) var(--at-ease);
}

.at-rank__tab.is-active {
  background: var(--at-magenta-soft);
  border-color: var(--at-magenta);
  color: var(--at-magenta);
  box-shadow: var(--at-glow-magenta);
}

.at-rank__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.at-rank__row {
  display: flex;
  align-items: center;
  gap: var(--at-space-sm);
}

.at-rank__num {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  display: grid;
  place-items: center;
  border-radius: var(--at-radius-sm);
  font-family: var(--at-font-mono);
  font-size: 0.8rem;
  font-weight: 700;
  background: var(--at-void-3);
  color: var(--at-ink-muted);
}

.at-rank__num--1 {
  background: linear-gradient(135deg, oklch(78% 0.16 85), oklch(68% 0.14 75));
  color: var(--at-void);
  box-shadow: 0 0 12px oklch(78% 0.16 85 / 0.5);
}

.at-rank__num--2 {
  background: linear-gradient(135deg, oklch(82% 0.02 250), oklch(68% 0.02 250));
  color: var(--at-void);
}

.at-rank__num--3 {
  background: linear-gradient(135deg, oklch(62% 0.12 55), oklch(52% 0.1 45));
  color: var(--at-ink);
}

.at-rank__link {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 0.65rem;
  min-height: 44px;
  padding: 0.35rem 0.5rem;
  border-radius: var(--at-radius-sm);
  color: var(--at-ink);
  text-decoration: none;
  transition: background var(--at-dur) var(--at-ease);
}

.at-rank__link:hover {
  background: var(--at-accent-soft);
  color: var(--at-ink);
}

.at-rank__icon {
  width: 44px;
  height: 44px;
  border-radius: var(--at-radius-sm);
  object-fit: cover;
  border: 1px solid var(--at-line-neon);
  flex-shrink: 0;
}

.at-rank__name {
  font-weight: 600;
  font-size: 0.95rem;
  overflow-wrap: anywhere;
}

.at-rank__trophy {
  position: relative;
  width: min(240px, 60vw);
  aspect-ratio: 1;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: radial-gradient(circle at 50% 40%, rgba(138, 43, 226, 0.45), rgba(5, 7, 20, 0.92) 70%);
  border: 1px solid rgba(255, 0, 255, 0.35);
  box-shadow: var(--at-glow-magenta), var(--at-glow-violet);
}

.at-rank__trophy-icon {
  font-size: 4.5rem;
  filter: drop-shadow(0 0 20px oklch(78% 0.16 85 / 0.6));
  z-index: 1;
}

.at-rank__trophy-glow {
  position: absolute;
  inset: 15%;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 0, 255, 0.45), transparent 70%);
  animation: at-pulse 3s ease-in-out infinite;
}

@keyframes at-pulse {
  0%, 100% { opacity: 0.6; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.08); }
}

/* —— Tile game cards (kiosk/cipher pattern) —— */
.at-tile-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 160px), 1fr));
  gap: 0.85rem;
}

.at-tile-grid--page {
  gap: 0.75rem;
}

.at-tile-grid__ad {
  grid-column: 1 / -1;
}

.at-tile {
  background: rgba(10, 15, 40, 0.82);
  border: 1px solid rgba(0, 255, 255, 0.18);
  border-radius: var(--at-radius-md);
  overflow: hidden;
  transition:
    border-color var(--at-dur) var(--at-ease),
    box-shadow var(--at-dur) var(--at-ease),
    transform var(--at-dur) var(--at-ease);
}

.at-tile:hover {
  border-color: rgba(0, 255, 255, 0.45);
  box-shadow: var(--at-glow-cyan), var(--at-glow-magenta);
  transform: translateY(-2px);
}

.at-tile__link {
  display: flex;
  flex-direction: column;
  height: 100%;
  color: var(--at-ink);
  text-decoration: none;
  min-height: 44px;
}

.at-tile__thumb {
  aspect-ratio: 1;
  background: var(--at-void-3);
  overflow: hidden;
  position: relative;
}

.at-tile__thumb::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 40%;
  background: linear-gradient(transparent, oklch(14% 0.04 265 / 0.85));
  pointer-events: none;
}

.at-tile__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.at-tile__body {
  padding: 0.65rem 0.75rem 0.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  flex: 1;
}

.at-tile__cat {
  font-family: var(--at-font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--at-magenta);
}

.at-tile__title {
  font-family: var(--at-font-display);
  font-size: 0.9rem;
  font-weight: 700;
  line-height: 1.3;
  margin: 0;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  overflow-wrap: anywhere;
}

.at-tile__desc {
  margin: 0;
  font-size: 0.78rem;
  line-height: 1.4;
  color: var(--at-ink-muted);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.at-tile__play {
  margin-top: auto;
  font-family: var(--at-font-mono);
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--at-accent);
}

/* —— Guide tab chips —— */
.at-guide-tab {
  flex-shrink: 0;
  min-height: 44px;
  padding: 0.45rem 1rem;
  border: 1px solid var(--at-line);
  border-radius: var(--at-radius-pill);
  background: var(--at-surface);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--at-ink-soft);
  cursor: pointer;
  transition: background var(--at-dur) var(--at-ease), color var(--at-dur) var(--at-ease), box-shadow var(--at-dur) var(--at-ease);
}

.at-guide-tab.is-active {
  background: var(--at-accent-soft);
  border-color: var(--at-accent);
  color: var(--at-accent);
  box-shadow: var(--at-glow-cyan);
}

/* —— Category badge —— */
.at-badge {
  display: inline-block;
  padding: 0.25rem 0.65rem;
  border-radius: var(--at-radius-pill);
  background: var(--at-magenta-soft);
  color: var(--at-magenta);
  font-family: var(--at-font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

/* —— Loading / sentinel —— */
.at-loading {
  padding: var(--at-space-xl);
  text-align: center;
  color: var(--at-ink-muted);
  font-family: var(--at-font-mono);
  font-size: 0.85rem;
}

.at-sentinel {
  padding: var(--at-space-md);
  text-align: center;
  color: var(--at-ink-muted);
  font-size: 0.85rem;
}

/* —— Disclosure —— */
.at-disclosure {
  padding: var(--at-space-xs) var(--at-space-md);
  margin-block: var(--at-space-xs);
  background: rgba(255, 0, 255, 0.08);
  border-block: 1px solid rgba(255, 0, 255, 0.22);
  font-size: 0.85rem;
  color: var(--at-ink-soft);
}

/* —— Play page —— */
.at-play-body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--at-stage);
  overflow: hidden;
}

.at-play-back {
  position: fixed;
  top: var(--at-space-sm);
  left: var(--at-space-sm);
  z-index: 1000;
}

.at-play-stage {
  flex: 1;
  width: 100%;
  min-height: 0;
}

.at-play-stage iframe {
  width: 100%;
  height: 100%;
  border: none;
  display: block;
}

/* —— Reveal animation —— */
.at-reveal {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity var(--at-dur-slow) var(--at-ease), transform var(--at-dur-slow) var(--at-ease);
}

.at-reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 768px) {
  .at-hot-card {
    flex: 0 0 min(168px, 46vw);
  }

  .at-hot-card__body {
    padding: 0.5rem 0.55rem 0.6rem;
    gap: 0.3rem;
  }

  .at-hot-card__title {
    font-size: 0.8rem;
    -webkit-line-clamp: 1;
  }

  .at-hot-card__tags {
    display: none;
  }

  .at-hot-card__cta {
    padding: 0.3rem;
    font-size: 0.62rem;
  }

  .at-hot-card__badge {
    top: 0.35rem;
    left: 0.35rem;
    font-size: 0.58rem;
    padding: 0.15rem 0.4rem;
  }

  .at-hot-card__thumb {
    aspect-ratio: 1;
  }

  .at-tile-grid,
  .at-tile-grid--page {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.5rem;
  }

  .at-tile__body {
    padding: 0.4rem 0.45rem 0.5rem;
    gap: 0.15rem;
  }

  .at-tile__cat {
    font-size: 0.52rem;
  }

  .at-tile__title {
    font-size: 0.72rem;
    -webkit-line-clamp: 2;
  }

  .at-tile__desc {
    display: none;
  }

  .at-tile__play {
    font-size: 0.55rem;
    margin-top: 0.15rem;
  }

  .at-lane-row__icon {
    width: 44px;
    height: 44px;
  }

  .at-lane-row__title {
    font-size: 0.82rem;
  }

  .at-lane-row__desc {
    display: none;
  }

  .at-lane-row__play {
    font-size: 0.58rem;
    padding: 0.25rem 0.4rem;
  }

  .at-more-plus {
    min-height: 32px;
    padding: 0.3rem 0.75rem;
    font-size: 0.72rem;
  }

  .at-cat-preview__icon {
    width: 48px;
    height: 48px;
  }

  .at-cat-preview__title {
    font-size: 0.7rem;
    -webkit-line-clamp: 2;
  }

  .at-cat-preview__cta {
    font-size: 0.58rem;
    padding: 0.28rem 0.2rem;
  }

  .at-cat-preview-grid {
    gap: 0.4rem;
  }
}

@media (min-width: 640px) {
  .at-tile-grid {
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  }
}

@media (min-width: 1024px) {
  .at-tile-grid {
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .at-reveal {
    opacity: 1;
    transform: none;
  }

  .at-tile:hover,
  .at-hot-card:hover,
  .at-cat-icon:hover,
  .at-lane-row:hover,
  .at-cat-preview:hover {
    transform: none;
  }

  .at-rank__trophy-glow {
    animation: none;
  }
}