/* ============ TOKENS ============ */
:root {
  /* Type scale */
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + 0.75vw, 1.5rem);
  --text-xl: clamp(1.5rem, 1.2rem + 1.25vw, 2.25rem);
  --text-2xl: clamp(2rem, 1.2rem + 2.5vw, 3.5rem);

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;

  /* Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-full: 9999px;

  --transition-interactive: 180ms cubic-bezier(0.16, 1, 0.3, 1);

  --content-default: 1200px;
  --content-wide: 1360px;

  --font-display: 'Clash Display', 'Satoshi', sans-serif;
  --font-body: 'Satoshi', 'Helvetica Neue', sans-serif;
}

/* ============ DARK (default for a game portal) ============ */
:root,
[data-theme='dark'] {
  --color-bg: #101013;
  --color-surface: #16161b;
  --color-surface-2: #1b1b21;
  --color-surface-offset: #202028;
  --color-surface-dynamic: #2a2a33;
  --color-divider: #24242c;
  --color-border: #31313c;
  --color-text: #ebebee;
  --color-text-muted: #9c9ca6;
  --color-text-faint: #62626d;
  --color-primary: #f4a62a;
  --color-primary-hover: #ffb640;
  --color-primary-ink: #1c1405;
  --shadow-sm: 0 1px 2px rgb(0 0 0 / 0.35);
  --shadow-md: 0 4px 14px rgb(0 0 0 / 0.4);
  --shadow-lg: 0 14px 38px rgb(0 0 0 / 0.5);
  --card-glow: 0 0 0 1px rgb(244 166 42 / 0);
}

[data-theme='light'] {
  --color-bg: #f5f4f0;
  --color-surface: #fcfbf8;
  --color-surface-2: #ffffff;
  --color-surface-offset: #ecebe5;
  --color-surface-dynamic: #e2e0d8;
  --color-divider: #e3e1da;
  --color-border: #d6d3ca;
  --color-text: #26251f;
  --color-text-muted: #6e6d66;
  --color-text-faint: #a3a199;
  --color-primary: #b06e00;
  --color-primary-hover: #8f5900;
  --color-primary-ink: #fff8ec;
  --shadow-sm: 0 1px 2px rgb(40 35 20 / 0.06);
  --shadow-md: 0 4px 14px rgb(40 35 20 / 0.1);
  --shadow-lg: 0 14px 38px rgb(40 35 20 / 0.14);
  --card-glow: 0 0 0 1px rgb(176 110 0 / 0);
}

@media (prefers-color-scheme: light) {
  :root:not([data-theme]) {
    --color-bg: #f5f4f0;
    --color-surface: #fcfbf8;
    --color-surface-2: #ffffff;
    --color-surface-offset: #ecebe5;
    --color-surface-dynamic: #e2e0d8;
    --color-divider: #e3e1da;
    --color-border: #d6d3ca;
    --color-text: #26251f;
    --color-text-muted: #6e6d66;
    --color-text-faint: #a3a199;
    --color-primary: #b06e00;
    --color-primary-hover: #8f5900;
    --color-primary-ink: #fff8ec;
    --shadow-sm: 0 1px 2px rgb(40 35 20 / 0.06);
    --shadow-md: 0 4px 14px rgb(40 35 20 / 0.1);
    --shadow-lg: 0 14px 38px rgb(40 35 20 / 0.14);
  }
}

/* ============ SHARED ============ */
.container {
  max-width: var(--content-default);
  margin-inline: auto;
  padding-inline: var(--space-5);
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--color-primary);
  color: var(--color-primary-ink);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-sm);
  z-index: 100;
}
.skip-link:focus {
  left: var(--space-4);
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: 700;
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  line-height: 1.2;
}
.btn-primary {
  background: var(--color-primary);
  color: var(--color-primary-ink);
}
.btn-primary:hover {
  background: var(--color-primary-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}
.btn-ghost {
  background: transparent;
  color: var(--color-text);
  border-color: var(--color-border);
}
.btn-ghost:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  color: var(--color-text-muted);
  border: 1px solid transparent;
}
.icon-btn:hover {
  color: var(--color-text);
  background: var(--color-surface-offset);
}

/* ============ HEADER ============ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in oklab, var(--color-bg) 82%, transparent);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-divider);
}

.header-inner {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding-block: var(--space-3);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  flex-shrink: 0;
}
.brand-mark {
  width: 32px;
  height: 32px;
  color: var(--color-primary);
}
.brand-name {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--text-lg);
  letter-spacing: -0.01em;
}
.brand-accent {
  color: var(--color-primary);
}

.header-search {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex: 1;
  max-width: 460px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 0 var(--space-3);
  height: 44px;
}
.header-search:focus-within {
  border-color: var(--color-primary);
}
.search-icon {
  color: var(--color-text-faint);
  flex-shrink: 0;
}
.header-search input {
  width: 100%;
  background: none;
  border: none;
  outline: none;
  font-size: var(--text-sm);
}
.header-search input::placeholder {
  color: var(--color-text-faint);
}

.header-spacer {
  flex: 1;
}

/* ============ HERO ============ */
.hero {
  padding-block: clamp(var(--space-10), 6vw, var(--space-20));
  border-bottom: 1px solid var(--color-divider);
  background:
    radial-gradient(900px 400px at 85% -10%, color-mix(in oklab, var(--color-primary) 7%, transparent), transparent 70%),
    var(--color-bg);
}

.hero-grid {
  display: grid;
  gap: var(--space-10);
  grid-template-columns: 1fr;
  align-items: center;
}
@media (min-width: 900px) {
  .hero-grid {
    grid-template-columns: 1.15fr 0.85fr;
  }
}

.hero-copy h1 {
  font-size: var(--text-2xl);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.08;
  max-width: 16ch;
  text-wrap: balance;
}
.hero-copy > p {
  margin-top: var(--space-4);
  color: var(--color-text-muted);
  max-width: 52ch;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-6);
}

.hero-stats {
  display: flex;
  gap: var(--space-10);
  margin-top: var(--space-8);
}
.hero-stats dt {
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-faint);
}
.hero-stats dd {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 600;
  color: var(--color-text);
}

.hero-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-3);
}

/* ============ CARDS ============ */
.game-card {
  display: block;
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  content-visibility: auto;
  contain-intrinsic-size: auto 220px;
}
.game-card:hover,
.game-card:focus-visible {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg), var(--card-glow);
  border-color: color-mix(in oklab, var(--color-primary) 40%, var(--color-border));
}
.game-card:active {
  transform: translateY(-1px);
}
.card-thumb {
  aspect-ratio: 16 / 10;
  width: 100%;
  object-fit: cover;
  background: var(--color-surface-offset);
}
.card-body {
  padding: var(--space-3) var(--space-4) var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}
.card-title {
  font-family: var(--font-body);
  font-weight: 700;
  font-size: var(--text-sm);
  line-height: 1.3;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.card-cat {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  text-transform: capitalize;
}
.card-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--color-primary);
  background: color-mix(in oklab, var(--color-primary) 12%, transparent);
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-full);
  align-self: flex-start;
}

/* ============ CATALOG ============ */
.catalog {
  padding-block: var(--space-8) var(--space-16);
}

.chips {
  display: flex;
  gap: var(--space-2);
  overflow-x: auto;
  padding-block: var(--space-2);
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
  mask-image: linear-gradient(to right, black 92%, transparent);
}
.chips::-webkit-scrollbar {
  display: none;
}
.chip {
  flex-shrink: 0;
  font-size: var(--text-sm);
  font-weight: 500;
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
  background: var(--color-surface);
  text-transform: capitalize;
}
.chip:hover {
  color: var(--color-text);
  border-color: var(--color-text-faint);
}
.chip[aria-pressed='true'] {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-primary-ink);
  font-weight: 700;
}

.grid-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-4);
  margin-block: var(--space-6) var(--space-5);
  flex-wrap: wrap;
}
.grid-head h2 {
  font-size: var(--text-lg);
  font-weight: 600;
  text-transform: capitalize;
}
.result-count {
  font-size: var(--text-sm);
  color: var(--color-text-faint);
}

.game-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(180px, 100%), 1fr));
  gap: var(--space-4);
}
.game-grid--related {
  grid-template-columns: repeat(auto-fill, minmax(min(160px, 100%), 1fr));
}

.grid-sentinel {
  height: 1px;
}

.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: var(--space-16) var(--space-8);
  color: var(--color-text-muted);
  gap: var(--space-2);
}
.empty-state svg {
  color: var(--color-text-faint);
  margin-bottom: var(--space-3);
}
.empty-state h3 {
  font-size: var(--text-lg);
  color: var(--color-text);
}
.empty-state p {
  max-width: 40ch;
  margin-bottom: var(--space-4);
}

/* ============ GAME PAGE ============ */
/* ============ BURGER MENU ============ */
.menu-backdrop {
  position: fixed;
  inset: 0;
  z-index: 95;
  background: rgb(0 0 0 / 0.5);
}
.menu-panel {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  z-index: 96;
  width: min(300px, 86vw);
  background: var(--color-surface);
  border-left: 1px solid var(--color-divider);
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
  animation: menu-in 220ms cubic-bezier(0.16, 1, 0.3, 1);
}
@keyframes menu-in {
  from { transform: translateX(40px); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}
.menu-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) var(--space-4) var(--space-3);
  border-bottom: 1px solid var(--color-divider);
}
.menu-title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--text-lg);
}
.menu-list {
  list-style: none;
  overflow-y: auto;
  padding: var(--space-2);
}
.menu-list a {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-3);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
}
.menu-list a:hover,
.menu-list a:focus-visible {
  background: var(--color-surface-offset);
  color: var(--color-text);
}
.menu-list a svg {
  width: 20px;
  height: 20px;
  color: var(--color-primary);
  flex-shrink: 0;
}

/* ============ SEARCH SUGGESTIONS ============ */
.header-search {
  position: relative;
}
.search-suggest {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  right: 0;
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  z-index: 80;
}
.suggest-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-2) var(--space-3);
}
.suggest-item img {
  width: 40px;
  height: 28px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  background: var(--color-surface-offset);
}
.suggest-item span {
  font-size: var(--text-sm);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.suggest-item:hover,
.suggest-item.active {
  background: var(--color-surface-offset);
}

/* ============ AD UNIT ============ */
.ad-unit {
  max-width: var(--content-default);
  margin: 0 auto;
  padding: var(--space-4) var(--space-5) var(--space-2);
  overflow: hidden;
}
.game-page .ad-unit {
  margin-block: var(--space-10) 0;
  padding-inline: 0;
}

/* ============ EXPANDED PLAYER MODE ============ */
body.player-expanded {
  overflow: hidden;
}
body.player-expanded .player {
  position: fixed;
  inset: 0;
  z-index: 90;
  margin: 0;
  padding: var(--space-3) var(--space-4);
  background: var(--color-bg);
  display: flex;
  flex-direction: column;
}
body.player-expanded .player-frame {
  flex: 1;
  aspect-ratio: auto;
  height: auto;
  border-radius: var(--radius-sm);
}
body.player-expanded .player-bar {
  margin-top: var(--space-3);
}

.game-page {
  padding-block: var(--space-6) var(--space-16);
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-text-muted);
  padding-block: var(--space-2);
}
.back-link:hover {
  color: var(--color-primary);
}

.game-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  flex-wrap: wrap;
  margin-block: var(--space-4) var(--space-5);
}
.game-head h1 {
  font-size: var(--text-xl);
  font-weight: 600;
  letter-spacing: -0.01em;
}
.game-meta {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
}

.player-frame {
  position: relative;
  background: #000;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border);
  aspect-ratio: 16 / 9;
}
.player-frame iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
  background: #000;
}
.player-frame.is-fullscreen {
  border-radius: 0;
  border: none;
}

.player-skeleton {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-surface);
}
.skeleton-bar {
  width: 40%;
  height: var(--space-3);
  border-radius: var(--radius-full);
  background: linear-gradient(
    90deg,
    var(--color-surface-offset) 25%,
    var(--color-surface-dynamic) 50%,
    var(--color-surface-offset) 75%
  );
  background-size: 200% 100%;
  animation: shimmer 1.4s ease-in-out infinite;
}
@keyframes shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

.player-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  flex-wrap: wrap;
  margin-top: var(--space-4);
}
.player-hint {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  max-width: 52ch;
}
.player-actions {
  display: flex;
  gap: var(--space-3);
}

.related {
  margin-top: var(--space-12);
}
.related h2 {
  font-size: var(--text-lg);
  font-weight: 600;
  margin-bottom: var(--space-5);
}

/* ============ FOOTER ============ */
.site-footer {
  border-top: 1px solid var(--color-divider);
  padding-block: var(--space-8);
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}
.footer-inner {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.footer-note code {
  font-family: ui-monospace, monospace;
  font-size: var(--text-xs);
  background: var(--color-surface-offset);
  padding: 0 var(--space-1);
  border-radius: var(--radius-sm);
}

/* ============ MOBILE ============ */
@media (max-width: 640px) {
  .header-inner {
    flex-wrap: wrap;
  }
  .header-search {
    order: 3;
    max-width: none;
    flex-basis: 100%;
  }
  .hero-stats {
    gap: var(--space-6);
  }
  .player-bar {
    flex-direction: column;
    align-items: stretch;
  }
  .player-actions {
    justify-content: stretch;
  }
  .player-actions .btn {
    flex: 1;
    justify-content: center;
  }
}