:root {
  color-scheme: dark;
  --bg: #0d1423;
  --surface: #141f33;
  --surface-2: #1a2941;
  --text: #f6f3eb;
  --muted: #aeb9ca;
  --line: rgba(255, 255, 255, .12);
  --gold: #d8b46a;
  --danger: #b32d45;
  --success: #3da879;
  --radius: 22px;
  --shadow: 0 22px 70px rgba(0, 0, 0, .28);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; min-width: 320px; background: var(--bg); color: var(--text); line-height: 1.55; }
a { color: inherit; text-decoration: none; }
button, select, input { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
img, canvas { max-width: 100%; }

.skip-link { position: fixed; z-index: 9999; left: 1rem; top: -5rem; padding: .8rem 1rem; background: #fff; color: #111; border-radius: 8px; }
.skip-link:focus { top: 1rem; }
.sr-only { position: absolute !important; width: 1px !important; height: 1px !important; padding: 0 !important; margin: -1px !important; overflow: hidden !important; clip: rect(0,0,0,0) !important; white-space: nowrap !important; border: 0 !important; }

.site-header { position: sticky; z-index: 100; top: 0; background: rgba(13, 20, 35, .87); backdrop-filter: blur(18px); border-bottom: 1px solid var(--line); }
.nav-shell { width: min(1440px, calc(100% - 2rem)); min-height: 72px; margin: auto; display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.brand { display: inline-flex; align-items: center; gap: .7rem; font-weight: 800; letter-spacing: .02em; }
.brand-mark { display: grid; place-items: center; width: 38px; height: 38px; border-radius: 12px; background: linear-gradient(145deg, #253653, #111a2d); color: var(--gold); border: 1px solid rgba(216, 180, 106, .45); box-shadow: inset 0 1px 0 rgba(255,255,255,.08); }
.brand img.brand-mark { object-fit: cover; padding: 0; }
.nav-links { display: flex; align-items: center; gap: .25rem; }
.nav-links a { padding: .62rem .78rem; border-radius: 10px; color: var(--muted); font-size: .92rem; }
.nav-links a:hover, .nav-links a:focus-visible { background: rgba(255,255,255,.07); color: #fff; outline: none; }
.nav-account { border: 1px solid rgba(216,180,106,.35); color: #fff !important; }
.nav-toggle { display: none; border: 1px solid var(--line); background: var(--surface); color: #fff; border-radius: 10px; padding: .55rem .75rem; }

.hero { position: relative; overflow: hidden; width: min(1500px, calc(100% - 2rem)); min-height: 610px; margin: 1.25rem auto 0; border: 1px solid var(--line); border-radius: 32px; box-shadow: var(--shadow); }
.hero-home { display: grid; grid-template-columns: 1.1fr .9fr; align-items: center; background: radial-gradient(circle at 80% 15%, rgba(111, 58, 95, .45), transparent 32%), radial-gradient(circle at 15% 80%, rgba(36, 95, 120, .35), transparent 32%), linear-gradient(140deg, #121c30, #0b101b 65%); }
.hero-home::after { content: ""; position: absolute; inset: 0; pointer-events: none; background-image: linear-gradient(rgba(255,255,255,.025) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.025) 1px, transparent 1px); background-size: 42px 42px; mask-image: linear-gradient(to right, #000, transparent 85%); }
.hero-content { position: relative; z-index: 2; max-width: 760px; padding: clamp(2rem, 6vw, 6rem); }
.eyebrow { display: inline-block; margin-bottom: .85rem; color: var(--gold); font-size: .77rem; font-weight: 800; letter-spacing: .15em; text-transform: uppercase; }
h1, h2, h3 { margin-top: 0; line-height: 1.1; text-wrap: balance; }
h1 { font-size: clamp(2.6rem, 5.7vw, 5.5rem); letter-spacing: -.045em; }
h2 { font-size: clamp(2rem, 3.8vw, 3.5rem); letter-spacing: -.035em; }
h3 { font-size: 1.3rem; }
.hero-content p { max-width: 690px; color: #c5cfdd; font-size: clamp(1rem, 1.6vw, 1.25rem); }
.hero-actions { display: flex; flex-wrap: wrap; gap: .85rem; margin-top: 2rem; }
.button { min-height: 44px; display: inline-flex; align-items: center; justify-content: center; gap: .5rem; padding: .82rem 1.15rem; border: 1px solid transparent; border-radius: 12px; cursor: pointer; font-weight: 750; transition: transform .18s ease, border-color .18s ease, background .18s ease; }
.button:hover { transform: translateY(-1px); }
.button:focus-visible, .icon-button:focus-visible, select:focus-visible { outline: 3px solid rgba(216,180,106,.45); outline-offset: 2px; }
.button-primary { background: linear-gradient(135deg, #e0bd73, #b88a39); color: #15100a; box-shadow: 0 12px 30px rgba(184, 138, 57, .23); }
.button-secondary { border-color: var(--line); background: rgba(255,255,255,.055); color: #fff; }
.button-small { min-height: 38px; padding: .55rem .8rem; font-size: .88rem; }

.hero-table { position: relative; z-index: 1; height: 100%; min-height: 540px; perspective: 1000px; }
.hero-table::before { content: ""; position: absolute; width: 86%; aspect-ratio: 1.55; left: 4%; top: 19%; border-radius: 50%; border: 18px solid #302118; background: radial-gradient(ellipse, rgba(255,255,255,.1), transparent 65%), #173f35; transform: rotateX(57deg) rotateZ(-8deg); box-shadow: 0 40px 60px rgba(0,0,0,.5), inset 0 0 0 5px #b4884e; }
.floating-card { position: absolute; display: grid; place-items: center; width: 102px; height: 146px; border-radius: 13px; background: #f6f0e4; color: #111; border: 2px solid #c8bda7; font: 800 1.8rem Georgia, serif; box-shadow: 0 18px 30px rgba(0,0,0,.4); }
.floating-card.red { color: #a3172f; }
.card-one { left: 24%; top: 36%; transform: rotate(-13deg); }
.card-two { left: 45%; top: 32%; transform: rotate(6deg); }
.card-three { left: 64%; top: 41%; transform: rotate(16deg); }
.floating-chip { position: absolute; width: 66px; height: 66px; border-radius: 50%; border: 7px dashed #efe6d6; box-shadow: 0 14px 25px rgba(0,0,0,.35); }
.chip-one { left: 34%; top: 65%; background: #7c2032; }
.chip-two { left: 58%; top: 68%; background: #162945; }

.section { width: min(1440px, calc(100% - 2rem)); margin: 0 auto; padding: clamp(4rem, 8vw, 8rem) 0; }
.section-muted { width: 100%; max-width: none; padding-inline: max(1rem, calc((100% - 1440px) / 2)); background: linear-gradient(180deg, rgba(255,255,255,.025), rgba(255,255,255,.008)); border-block: 1px solid var(--line); }
.section-heading { display: flex; align-items: end; justify-content: space-between; gap: 2rem; margin-bottom: 2.2rem; }
.section-heading h2 { margin-bottom: 0; }
.section-heading > p { max-width: 520px; color: var(--muted); }

.hub-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1rem; }
.hub-card { position: relative; overflow: hidden; min-height: 440px; display: flex; flex-direction: column; padding: 1.35rem; border: 1px solid var(--line); border-radius: var(--radius); background: linear-gradient(160deg, color-mix(in srgb, var(--hub-color) 55%, #182237), #111827 72%); box-shadow: 0 16px 50px rgba(0,0,0,.18); }
.hub-card::before { content: ""; position: absolute; width: 220px; height: 220px; right: -80px; top: -90px; border-radius: 50%; background: var(--hub-accent); opacity: .16; filter: blur(10px); }
.hub-icon { position: relative; display: grid; place-items: center; width: 58px; height: 58px; margin-bottom: 2.4rem; border-radius: 18px; background: rgba(0,0,0,.2); border: 1px solid rgba(255,255,255,.15); color: var(--hub-accent); font-size: 1.9rem; }
.hub-count { color: var(--hub-accent); font-size: .76rem; font-weight: 800; text-transform: uppercase; letter-spacing: .12em; }
.hub-card h3 { font-size: 1.65rem; margin: .55rem 0; }
.hub-card p { color: #c3cddd; min-height: 4.5rem; }
.chip-list { display: flex; flex-wrap: wrap; gap: .42rem; padding: 0; margin: .7rem 0 1.5rem; list-style: none; }
.chip-list li { padding: .35rem .55rem; border-radius: 999px; background: rgba(0,0,0,.18); border: 1px solid rgba(255,255,255,.1); font-size: .78rem; color: #d6dce6; }
.card-link { margin-top: auto; display: flex; justify-content: space-between; align-items: center; padding-top: 1rem; border-top: 1px solid rgba(255,255,255,.12); font-weight: 800; }

.feature-panel { min-height: 400px; display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; align-items: center; padding: clamp(1.5rem, 4vw, 4rem); border: 1px solid var(--line); border-radius: 28px; background: radial-gradient(circle at 80%, rgba(103,64,138,.35), transparent 35%), #121d2f; }
.feature-panel p { color: var(--muted); max-width: 600px; }
.mini-table { position: relative; min-height: 300px; border: 14px solid #33241a; border-radius: 50%; background: #183d35; transform: rotateX(50deg); box-shadow: inset 0 0 0 4px #a57a3d, 0 35px 55px rgba(0,0,0,.35); }
.mini-table span { position: absolute; width: 52px; height: 78px; left: calc(7% + var(--i) * 11%); top: calc(28% + (var(--i) % 2) * 12%); border-radius: 7px; background: #f4eee3; border: 1px solid #c9bca9; transform: rotate(calc((var(--i) - 4) * 3deg)); }

.theme-row { display: grid; grid-template-columns: repeat(9, minmax(140px, 1fr)); gap: .85rem; overflow-x: auto; padding-bottom: .7rem; scroll-snap-type: x mandatory; }
.theme-tile { min-width: 145px; padding: .7rem; border: 1px solid var(--line); border-radius: 18px; background: var(--surface); scroll-snap-align: start; }
.theme-preview { aspect-ratio: 1; display: flex; align-items: center; justify-content: center; gap: .25rem; margin-bottom: .8rem; border-radius: 13px; background: radial-gradient(circle at 60% 30%, var(--c3), transparent 30%), linear-gradient(145deg, var(--c1), var(--c2)); font-size: 1.8rem; box-shadow: inset 0 0 0 1px rgba(255,255,255,.08); }
.theme-preview span:last-child { color: #e85b70; }
.theme-tile h3 { margin-bottom: .2rem; font-size: .92rem; }
.theme-tile small { color: var(--muted); }
.text-link { color: var(--gold); font-weight: 800; }

.hub-hero, .content-hero { width: min(1440px, calc(100% - 2rem)); margin: 1.25rem auto 0; padding: clamp(2.2rem, 6vw, 6rem); border: 1px solid var(--line); border-radius: 30px; }
.hub-hero { position: relative; overflow: hidden; display: flex; justify-content: space-between; align-items: center; background: radial-gradient(circle at 85% 50%, color-mix(in srgb, var(--hub-accent) 34%, transparent), transparent 27%), linear-gradient(145deg, color-mix(in srgb, var(--hub-color) 65%, #111a2b), #0c1321); }
.hub-hero h1, .content-hero h1 { margin-bottom: 1rem; }
.hub-hero p, .content-hero p { max-width: 720px; color: #c8d1df; font-size: 1.1rem; }
.hub-hero-symbol { font-size: clamp(8rem, 20vw, 20rem); line-height: .7; color: var(--hub-accent); opacity: .24; transform: rotate(8deg); }
.legal-notice { display: inline-flex; margin-top: 1rem; padding: .65rem .8rem; border: 1px solid rgba(216,180,106,.4); border-radius: 10px; background: rgba(216,180,106,.09); color: #f1d9a6; font-weight: 700; }

.game-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1rem; }
.game-card { overflow: hidden; border: 1px solid var(--line); border-radius: 20px; background: var(--surface); }
.game-thumbnail { height: 185px; display: grid; place-items: center; background: radial-gradient(circle, rgba(255,255,255,.12), transparent 45%), linear-gradient(145deg, #213b55, #111827); font-size: 4rem; color: var(--gold); }
.game-thumbnail-video-poker, .game-thumbnail-texas-holdem { background: linear-gradient(145deg, #6e1d2c, #151b2b); }
.game-thumbnail-belote, .game-thumbnail-president { background: linear-gradient(145deg, #1e6077, #111827); }
.game-thumbnail-hearts, .game-thumbnail-durak { background: linear-gradient(145deg, #20674a, #101a21); }
.game-thumbnail-klondike, .game-thumbnail-freecell { background: linear-gradient(145deg, #633b86, #151329); }
.game-card-body { padding: 1rem; }
.game-meta { display: flex; justify-content: space-between; color: var(--muted); font-size: .75rem; }
.game-card h3 { margin: .65rem 0 .4rem; }
.game-card p { min-height: 4.5rem; color: var(--muted); font-size: .92rem; }
.game-actions { display: flex; align-items: center; gap: .55rem; }
.status-badge { margin-left: auto; padding: .35rem .55rem; border-radius: 999px; background: rgba(255,255,255,.06); color: var(--muted); font-size: .78rem; }
.extension-list { display: flex; flex-wrap: wrap; gap: .7rem; padding: 0; list-style: none; }
.extension-list li { padding: .8rem 1rem; border: 1px solid var(--line); border-radius: 12px; background: var(--surface); }

.breadcrumb { display: flex; flex-wrap: wrap; gap: .45rem; color: var(--muted); font-size: .9rem; margin-bottom: 2rem; }
.content-layout { display: grid; grid-template-columns: minmax(0, 1fr) 340px; gap: 1rem; align-items: start; }
.prose-card, .facts-card { padding: clamp(1.3rem, 3vw, 2.5rem); border: 1px solid var(--line); border-radius: 20px; background: var(--surface); }
.prose-card { color: #cbd4e1; }
.prose-card h2 { margin-top: 2rem; font-size: 1.7rem; color: #fff; }
.prose-card h2:first-child { margin-top: 0; }
.facts-card { position: sticky; top: 95px; }
.facts-card dl { display: grid; grid-template-columns: 1fr 1fr; gap: .8rem; }
.facts-card dt { color: var(--muted); }
.facts-card dd { margin: 0; text-align: right; font-weight: 700; }

.placeholder-dashboard { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.placeholder-dashboard article { min-height: 180px; padding: 1.2rem; border: 1px solid var(--line); border-radius: 18px; background: var(--surface); }
.skeleton-line { display: block; height: 14px; width: 72%; margin: .8rem 0; border-radius: 999px; background: linear-gradient(90deg, rgba(255,255,255,.05), rgba(255,255,255,.12), rgba(255,255,255,.05)); background-size: 200% 100%; animation: shimmer 1.6s infinite; }
.skeleton-line.wide { height: 28px; width: 88%; }
.skeleton-line.short { width: 45%; }
@keyframes shimmer { to { background-position: -200% 0; } }

.game-body { overflow-x: hidden; background: #080c13; }
.game-body .site-header, .game-body .site-footer { display: none; }
.game-shell { min-height: 100dvh; display: grid; grid-template-rows: auto minmax(0, 1fr) auto auto; background: radial-gradient(circle at 50% 20%, rgba(56,103,93,.3), transparent 44%), #070b11; }
.game-toolbar { min-height: 62px; display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: .65rem max(.75rem, env(safe-area-inset-right)) .65rem max(.75rem, env(safe-area-inset-left)); border-bottom: 1px solid var(--line); background: rgba(9,14,23,.92); }
.game-toolbar > div { display: flex; align-items: center; gap: .65rem; }
.game-toolbar-actions label { color: var(--muted); font-size: .84rem; }
.game-toolbar select { min-height: 40px; border: 1px solid var(--line); border-radius: 10px; padding: .4rem .7rem; background: var(--surface); color: #fff; }
.icon-button { min-width: 44px; min-height: 44px; display: inline-grid; place-items: center; border: 1px solid var(--line); border-radius: 11px; background: rgba(255,255,255,.055); color: #fff; cursor: pointer; }
.canvas-wrap { min-height: 0; position: relative; display: grid; place-items: center; overflow: hidden; }
#klondike-canvas { display: block; width: 100%; height: 100%; min-height: 420px; touch-action: none; }
.game-controls { min-height: 66px; display: flex; align-items: center; justify-content: center; flex-wrap: wrap; gap: .6rem; padding: .7rem max(.7rem, env(safe-area-inset-right)) calc(.7rem + env(safe-area-inset-bottom)) max(.7rem, env(safe-area-inset-left)); border-top: 1px solid var(--line); background: rgba(9,14,23,.95); }
.game-controls #move-counter { color: var(--muted); margin-left: .5rem; }
.accessible-state { width: min(100% - 1.4rem, 900px); margin: 0 auto .8rem; padding: .7rem 1rem; border: 1px solid var(--line); border-radius: 12px; background: var(--surface); color: var(--muted); }
.not-ready-panel { place-self: center; max-width: 720px; margin: 2rem; padding: 2rem; border: 1px solid var(--line); border-radius: 20px; background: var(--surface); text-align: center; }

.site-footer { width: min(1440px, calc(100% - 2rem)); margin: 0 auto; padding: 2rem 0 3rem; display: flex; justify-content: space-between; gap: 2rem; border-top: 1px solid var(--line); color: var(--muted); }
.site-footer p { margin: .3rem 0 0; }
.site-footer nav { display: flex; flex-wrap: wrap; align-items: center; gap: 1rem; }

@media (max-width: 1120px) {
  .hub-grid, .game-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .theme-row { grid-template-columns: repeat(9, 160px); }
  .nav-toggle { display: block; }
  .nav-links { display: none; position: absolute; left: 1rem; right: 1rem; top: 66px; padding: .7rem; flex-direction: column; align-items: stretch; border: 1px solid var(--line); border-radius: 16px; background: #111b2c; box-shadow: var(--shadow); }
  .nav-links.open { display: flex; }
}

@media (max-width: 800px) {
  .hero { width: calc(100% - 1rem); min-height: auto; border-radius: 24px; }
  .hero-home { grid-template-columns: 1fr; }
  .hero-content { padding: 2rem 1.25rem 1rem; }
  .hero-table { min-height: 360px; }
  .floating-card { width: 72px; height: 104px; font-size: 1.35rem; }
  .section, .hub-hero, .content-hero { width: calc(100% - 1rem); }
  .section-heading { align-items: start; flex-direction: column; gap: .5rem; }
  .feature-panel, .content-layout { grid-template-columns: 1fr; }
  .mini-table { min-height: 230px; }
  .facts-card { position: static; }
  .placeholder-dashboard { grid-template-columns: 1fr 1fr; }
  .hub-hero-symbol { position: absolute; right: -1rem; opacity: .14; }
  .game-toolbar-actions label { display: none; }
}

@media (max-width: 540px) {
  h1 { font-size: clamp(2.2rem, 12vw, 3.7rem); }
  .hub-grid, .game-grid, .placeholder-dashboard { grid-template-columns: 1fr; }
  .hub-card { min-height: 380px; }
  .site-footer { flex-direction: column; }
  .game-toolbar strong { max-width: 120px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
  .game-toolbar select { max-width: 125px; }
  .game-controls .button { min-height: 42px; padding: .58rem .72rem; font-size: .82rem; }
  #klondike-canvas { min-height: 360px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}
.rules-document ol,.rules-document ul{padding-left:1.35rem}.rules-document li{margin:.55rem 0;line-height:1.55}.rules-version{padding:1rem;border-inline-start:4px solid var(--accent,#d8b46a);background:rgba(216,180,106,.1);border-radius:.5rem}.ai-level-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:1rem;margin:1rem 0}.ai-level-card{padding:1rem;border:1px solid rgba(255,255,255,.12);border-radius:.8rem;background:rgba(255,255,255,.04)}.ai-level-card h3{margin-top:0}