:root{--bg:#090b10;--panel:#121722;--panel2:#171e2b;--text:#f4f7fb;--muted:#8f9aad;--line:#252e40;--accent:#7c5cff;--accent2:#2fe0aa;--accent3:#4db8ff;--danger:#ff5f7d;--warning:#ffbf4b;--shadow:0 24px 70px rgba(0,0,0,.38)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;min-height:100vh;color:var(--text);background:radial-gradient(circle at 15% -10%,rgba(124,92,255,.20),transparent 34rem),radial-gradient(circle at 100% 15%,rgba(77,184,255,.10),transparent 28rem),radial-gradient(circle at 60% 120%,rgba(47,224,170,.10),transparent 34rem),var(--bg);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}.noise{position:fixed;inset:0;pointer-events:none;opacity:.035;z-index:-1;background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.8'/%3E%3C/svg%3E")}a{color:inherit;text-decoration:none}button,input,select{font:inherit}.container{width:min(1180px,calc(100% - 32px));margin:auto}
.nav{position:sticky;top:0;z-index:50;background:rgba(9,11,16,.78);backdrop-filter:blur(18px);border-bottom:1px solid rgba(255,255,255,.06)}.nav-inner{min-height:72px;display:flex;align-items:center;justify-content:space-between;gap:20px}.brand{font-weight:950;letter-spacing:.11em;font-size:17px;white-space:nowrap}.brand span{color:var(--accent2)}.brand-mark{color:var(--accent);margin-right:7px}.links{display:flex;gap:5px;align-items:center;flex-wrap:wrap}.links a{padding:9px 11px;border-radius:11px;color:var(--muted);font-size:14px}.links a:hover,.links a.active{background:rgba(255,255,255,.06);color:var(--text)}.menu-btn{display:none;background:var(--panel);border:1px solid var(--line);color:var(--text);border-radius:10px;padding:8px 11px}
.hero{padding:92px 0 58px}.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:38px;align-items:center}.eyebrow{color:var(--accent2);font-size:12px;font-weight:850;letter-spacing:.18em;text-transform:uppercase}h1{font-size:clamp(48px,7vw,92px);line-height:.92;margin:15px 0 24px;letter-spacing:-.055em}h2{font-size:clamp(29px,4vw,46px);letter-spacing:-.035em;margin:0 0 12px}h3{font-size:21px;margin:0 0 8px}.lead{max-width:760px;color:var(--muted);font-size:18px;line-height:1.72}.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;padding:0 18px;border-radius:14px;border:1px solid var(--line);background:var(--panel);color:var(--text);font-weight:750;cursor:pointer;transition:.18s}.btn:hover{transform:translateY(-1px);border-color:#3a4660}.btn.primary{background:linear-gradient(135deg,var(--accent),#5d43ff);border-color:transparent}.btn.good{background:linear-gradient(135deg,#1e9d7b,var(--accent2));border-color:transparent;color:#07120f}.hero-console{background:linear-gradient(180deg,rgba(255,255,255,.045),rgba(255,255,255,.015));border:1px solid var(--line);border-radius:26px;padding:22px;box-shadow:var(--shadow)}.console-top{display:flex;gap:7px;margin-bottom:18px}.dot{width:9px;height:9px;border-radius:50%;background:#283146}.dot:nth-child(1){background:#ff657d}.dot:nth-child(2){background:#ffbf4b}.dot:nth-child(3){background:#2fe0aa}.console-line{display:flex;justify-content:space-between;padding:12px 0;border-bottom:1px solid rgba(255,255,255,.055);color:var(--muted)}.console-line b{color:var(--text);font-weight:800}
.section{padding:32px 0 80px}.section-head{display:flex;justify-content:space-between;gap:20px;align-items:end;margin-bottom:26px}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.card{background:linear-gradient(180deg,rgba(255,255,255,.038),rgba(255,255,255,.014));border:1px solid var(--line);border-radius:22px;padding:22px;box-shadow:var(--shadow)}.game-card{min-height:250px;display:flex;flex-direction:column;position:relative;overflow:hidden;transition:.2s}.game-card:before{content:"";position:absolute;width:160px;height:160px;border-radius:50%;right:-55px;top:-60px;background:radial-gradient(circle,rgba(124,92,255,.22),transparent 68%)}.game-card:hover{transform:translateY(-4px);border-color:#39455d}.game-card .icon{font-size:42px;margin-bottom:28px}.game-card p{color:var(--muted);line-height:1.6}.game-card .bottom{margin-top:auto;display:flex;justify-content:space-between;align-items:center}.tag{font-size:12px;color:var(--accent2);border:1px solid rgba(47,224,170,.25);padding:6px 9px;border-radius:999px}.tag.purple{color:#b7a8ff;border-color:rgba(124,92,255,.35)}.tag.blue{color:#8dd4ff;border-color:rgba(77,184,255,.3)}
.page-head{padding:52px 0 24px}.game-shell{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:18px;padding-bottom:64px}.game-stage{min-height:620px;background:#07090d;border:1px solid var(--line);border-radius:22px;padding:18px;display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow);position:relative;overflow:auto}.sidepanel{align-self:start;position:sticky;top:92px}.stat-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}.stat{padding:14px;border-radius:14px;background:var(--panel2);border:1px solid var(--line);margin:9px 0}.stat small{display:block;color:var(--muted);font-size:12px}.stat b{display:block;font-size:22px;margin-top:3px}.muted{color:var(--muted)}.kbd{display:inline-block;border:1px solid var(--line);background:var(--panel2);padding:4px 7px;border-radius:7px;font-size:12px}.controls{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px}.select,select{width:100%;min-height:42px;border-radius:12px;border:1px solid var(--line);background:var(--panel2);color:var(--text);padding:0 12px}.touch-pad{display:grid;grid-template-columns:repeat(3,54px);gap:7px;justify-content:center;margin-top:16px}.touch-pad button{width:54px;height:54px;border-radius:14px;border:1px solid var(--line);background:var(--panel2);color:white;font-size:20px}.touch-pad .blank{visibility:hidden}.notice{padding:12px 14px;border-radius:12px;background:rgba(124,92,255,.08);border:1px solid rgba(124,92,255,.22);color:#cfc8ff;font-size:13px;line-height:1.5}canvas{max-width:100%;height:auto;border-radius:16px;background:#06080c;touch-action:none}
.memory-grid{display:grid;grid-template-columns:repeat(4,88px);gap:10px}.memory-grid.large{grid-template-columns:repeat(6,68px)}.memory-card{width:88px;height:88px;border-radius:16px;border:1px solid var(--line);background:linear-gradient(145deg,#191f2c,#10151f);display:flex;align-items:center;justify-content:center;font-size:33px;cursor:pointer;user-select:none;transition:.18s;color:white}.memory-grid.large .memory-card{width:68px;height:68px;font-size:25px}.memory-card.flipped,.memory-card.matched{background:linear-gradient(145deg,#302569,#181735);transform:rotateY(180deg)}.memory-card.matched{outline:1px solid var(--accent2);opacity:.72}.board2048{display:grid;grid-template-columns:repeat(4,92px);gap:10px;background:#111722;padding:12px;border-radius:18px;touch-action:none}.tile2048{width:92px;height:92px;border-radius:14px;display:flex;align-items:center;justify-content:center;font-size:28px;font-weight:900;background:#1b2230;border:1px solid var(--line)}.t2{background:#1d2837}.t4{background:#203142}.t8{background:#5b3d8c}.t16{background:#6b4197}.t32{background:#7c45a3}.t64{background:#884cad}.t128{background:#a75f4d}.t256{background:#b26c3d}.t512{background:#c37b2e}.t1024{background:#cf8d22}.t2048{background:#2c9e79;box-shadow:0 0 28px rgba(47,224,170,.23)}.mine-board{display:grid;gap:4px;user-select:none}.mine-cell{width:32px;height:32px;border-radius:7px;border:1px solid #2a3447;background:#171e2b;color:white;font-weight:800;display:flex;align-items:center;justify-content:center;cursor:pointer}.mine-cell.open{background:#0f141d;border-color:#1d2635}.mine-cell.flag{color:var(--warning)}.mine-cell.mine{background:rgba(255,95,125,.18);color:#ff8ea5}.about-box{max-width:860px}.about-box p{color:var(--muted);line-height:1.8;font-size:17px}.footer{border-top:1px solid var(--line);padding:28px 0 40px;color:var(--muted);font-size:14px}.footer-inner{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}.badge-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}.badge{padding:7px 10px;border:1px solid var(--line);border-radius:999px;color:var(--muted);font-size:12px}
@media(max-width:980px){.hero-grid{grid-template-columns:1fr}.grid{grid-template-columns:repeat(2,1fr)}.game-shell{grid-template-columns:1fr}.sidepanel{position:static}}@media(max-width:760px){.menu-btn{display:block}.links{display:none;position:absolute;left:16px;right:16px;top:66px;background:#0e131d;border:1px solid var(--line);border-radius:16px;padding:10px;box-shadow:var(--shadow)}.links.open{display:grid;grid-template-columns:repeat(2,1fr)}.links a{text-align:center}.nav-inner{min-height:66px}.grid{grid-template-columns:1fr}.hero{padding-top:58px}.game-stage{min-height:480px;padding:10px}.memory-grid{grid-template-columns:repeat(4,68px)}.memory-card{width:68px;height:68px}.memory-grid.large{grid-template-columns:repeat(6,48px)}.memory-grid.large .memory-card{width:48px;height:48px;font-size:21px}.board2048{grid-template-columns:repeat(4,68px);gap:7px}.tile2048{width:68px;height:68px;font-size:21px}}


/* v3.1 cache-safe game board fixes */
#board2048.board2048{
  --tile:92px;
  display:grid !important;
  grid-template-columns:repeat(4,var(--tile)) !important;
  grid-template-rows:repeat(4,var(--tile));
  gap:10px;
  width:max-content;
  max-width:100%;
  padding:12px;
  margin:auto;
  background:#111722;
  border:1px solid #253047;
  border-radius:20px;
  touch-action:none;
}
#board2048 .tile2048{
  width:var(--tile) !important;
  height:var(--tile) !important;
  min-width:0;
  padding:0;
  display:flex !important;
  align-items:center;
  justify-content:center;
  border-radius:14px;
  border:1px solid var(--line);
  background:#1b2230;
  color:#f7f8fb;
  font-size:28px;
  font-weight:900;
  line-height:1;
  box-shadow:inset 0 1px rgba(255,255,255,.04);
}
#board2048 .tile2048.t2{background:#1d2837}
#board2048 .tile2048.t4{background:#203142}
#board2048 .tile2048.t8{background:#5b3d8c}
#board2048 .tile2048.t16{background:#6b4197}
#board2048 .tile2048.t32{background:#7c45a3}
#board2048 .tile2048.t64{background:#884cad}
#board2048 .tile2048.t128{background:#a75f4d}
#board2048 .tile2048.t256{background:#b26c3d}
#board2048 .tile2048.t512{background:#c37b2e}
#board2048 .tile2048.t1024{background:#cf8d22;font-size:23px}
#board2048 .tile2048.t2048{background:#2c9e79;box-shadow:0 0 28px rgba(47,224,170,.23);font-size:23px}

#mineBoard.mine-board{
  --cell:34px;
  display:grid !important;
  gap:4px !important;
  width:max-content;
  max-width:none;
  margin:auto;
  padding:12px;
  background:#0c1119;
  border:1px solid #253047;
  border-radius:18px;
  user-select:none;
}
#mineBoard .mine-cell{
  appearance:none;
  -webkit-appearance:none;
  box-sizing:border-box;
  width:var(--cell) !important;
  height:var(--cell) !important;
  min-width:var(--cell) !important;
  min-height:var(--cell) !important;
  margin:0;
  padding:0 !important;
  border:1px solid #303b50 !important;
  border-radius:7px !important;
  background:#18202d !important;
  color:#f4f7fb;
  font:800 14px/1 system-ui,sans-serif !important;
  display:flex !important;
  align-items:center;
  justify-content:center;
  cursor:pointer;
  box-shadow:inset 0 1px rgba(255,255,255,.035);
}
#mineBoard .mine-cell:hover{background:#202a3a !important}
#mineBoard .mine-cell.open{background:#0e141d !important;border-color:#202a38 !important;cursor:default}
#mineBoard .mine-cell.flag{color:#ffbf4b !important}
#mineBoard .mine-cell.mine{background:rgba(255,95,125,.20) !important;color:#ff8ea5 !important}

@media(max-width:760px){
  #board2048.board2048{--tile:68px;gap:7px;padding:9px}
  #board2048 .tile2048{font-size:21px}
  #mineBoard.mine-board{--cell:30px;padding:8px;gap:3px}
}


/* Pixel Arcade v4.0 */
.links{max-width:760px;justify-content:flex-end}
.game-shell.with-leaderboard{grid-template-columns:minmax(0,1fr) 340px}
.side-stack{display:flex;flex-direction:column;gap:18px;align-self:start;position:sticky;top:92px}.side-stack .sidepanel{position:static}
.leaderboard-box{background:linear-gradient(180deg,rgba(255,255,255,.038),rgba(255,255,255,.014));border:1px solid var(--line);border-radius:22px;padding:18px;box-shadow:var(--shadow)}
.leaderboard-head{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:12px}.leaderboard-head small{display:block;color:var(--muted);font-size:11px;text-transform:uppercase;letter-spacing:.1em}.leaderboard-head strong{display:block;font-size:18px;margin-top:2px}.lb-refresh{width:38px;height:38px;border-radius:11px;border:1px solid var(--line);background:var(--panel2);color:var(--text);cursor:pointer}.lb-nick-form label{display:block;color:var(--muted);font-size:12px;margin-bottom:6px}.lb-nick-row{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:8px}.lb-nick-row input{min-width:0;height:42px;border-radius:12px;border:1px solid var(--line);background:#0d121b;color:var(--text);padding:0 11px;outline:none}.lb-nick-row input:focus{border-color:var(--accent)}.lb-nick-row .btn{min-height:42px;padding:0 13px}.lb-message{min-height:20px;color:var(--muted);font-size:12px;line-height:1.45;margin:10px 0}.lb-message.good{color:var(--accent2)}.lb-message.bad{color:#ff8fa5}.lb-list{list-style:none;padding:0;margin:0;display:grid;gap:6px}.lb-row{display:grid;grid-template-columns:26px minmax(0,1fr) auto;gap:8px;align-items:center;padding:8px 9px;border-radius:10px;background:rgba(255,255,255,.025);border:1px solid rgba(255,255,255,.04)}.lb-rank{color:var(--muted);font-variant-numeric:tabular-nums}.lb-name{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.lb-score{font-weight:850;font-variant-numeric:tabular-nums}.lb-empty{color:var(--muted);font-size:13px;padding:8px 2px}.lb-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.lb-grid .leaderboard-box{min-width:0}.game-card.featured:before{background:radial-gradient(circle,rgba(47,224,170,.26),transparent 68%)}
.runner-help{display:flex;flex-wrap:wrap;gap:8px}.runner-chip{padding:6px 9px;border-radius:999px;border:1px solid var(--line);color:var(--muted);font-size:12px}.dino-stage{min-height:460px}.dino-stage canvas{width:100%;max-width:900px}.privacy-note{font-size:12px;color:var(--muted);line-height:1.5;margin-top:10px}.leader-intro{max-width:820px}.leader-intro p{color:var(--muted);line-height:1.7}.score-pill{display:inline-flex;align-items:center;gap:7px;border:1px solid rgba(47,224,170,.22);background:rgba(47,224,170,.07);color:#a7f4d8;padding:7px 10px;border-radius:999px;font-size:12px}
@media(max-width:980px){.game-shell.with-leaderboard{grid-template-columns:1fr}.side-stack{position:static}.lb-grid{grid-template-columns:1fr 1fr}}
@media(max-width:760px){.lb-grid{grid-template-columns:1fr}.game-shell.with-leaderboard{grid-template-columns:1fr}.side-stack{position:static}.lb-nick-row{grid-template-columns:1fr}.lb-nick-row .btn{width:100%}.dino-stage{min-height:330px}}


/* Pixel Arcade v5.0 — Retro FPS integration */
.retro-stage{display:block;width:100%;min-height:680px;background:#050608;border:1px solid var(--line);border-radius:22px;overflow:hidden;box-shadow:var(--shadow)}
.retro-frame{display:block;width:100%;height:680px;border:0;background:#050608}
.retro-toolbar{display:flex;gap:10px;flex-wrap:wrap;align-items:center;justify-content:space-between;margin-bottom:14px}
.retro-controls{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;margin-top:14px}
.retro-controls .stat{margin:0}
.license-note{font-size:13px;line-height:1.65;color:var(--muted);border-top:1px solid var(--line);margin-top:18px;padding-top:16px}
.install-warn{display:none;padding:14px;margin-bottom:14px;border:1px solid rgba(255,191,75,.35);background:rgba(255,191,75,.08);color:#ffd58a;border-radius:14px}
.install-warn.show{display:block}
@media(max-width:760px){.retro-frame{height:520px}.retro-stage{min-height:520px}.retro-controls{grid-template-columns:1fr}}


/* Pixel Arcade v5.1 — integrated Retro FPS */
.fps-page{padding-bottom:72px}
.fps-header{padding:48px 0 24px}
.fps-header h1{font-size:clamp(42px,6vw,70px);line-height:.95;margin:10px 0 14px;letter-spacing:-.05em}
.fps-header p{max-width:820px;color:var(--muted);font-size:17px;line-height:1.7;margin:0}
.fps-meta{display:flex;gap:9px;flex-wrap:wrap;margin-top:18px}
.fps-badge{display:inline-flex;align-items:center;gap:7px;padding:7px 11px;border:1px solid var(--line);border-radius:999px;color:var(--muted);font-size:12px;background:rgba(255,255,255,.018)}
.fps-badge.green{color:#8df0d0;border-color:rgba(47,224,170,.26);background:rgba(47,224,170,.055)}
.fps-badge.red{color:#ff9bb0;border-color:rgba(255,95,125,.28);background:rgba(255,95,125,.055)}
.status-dot{width:7px;height:7px;border-radius:50%;background:currentColor;box-shadow:0 0 0 3px color-mix(in srgb,currentColor 12%,transparent)}
.fps-shell{border:1px solid var(--line);border-radius:24px;background:#050608;overflow:hidden;box-shadow:var(--shadow)}
.fps-screen{position:relative;width:100%;aspect-ratio:16/10;background:#000;overflow:hidden}
.fps-frame{display:block;width:100%;height:100%;border:0;background:#000}
.fps-cover{position:absolute;inset:0;display:grid;place-items:center;background:radial-gradient(circle at 50% 40%,rgba(124,92,255,.13),transparent 34%),linear-gradient(180deg,rgba(5,6,8,.84),rgba(5,6,8,.96));transition:opacity .28s ease,visibility .28s ease;z-index:3}
.fps-cover.is-hidden{opacity:0;visibility:hidden;pointer-events:none}
.fps-cover-inner{display:flex;flex-direction:column;align-items:center;text-align:center;padding:28px;max-width:520px}
.fps-cover-logo{font-weight:950;letter-spacing:.16em;font-size:clamp(34px,6vw,72px);line-height:1;color:#f4f7fb;text-shadow:0 8px 50px rgba(124,92,255,.18)}
.fps-cover p{color:var(--muted);font-size:16px;margin:18px 0}
.fps-play-btn{min-width:180px;font-size:16px}
.fps-hint{color:#667084;font-size:12px;margin-top:13px}
.fps-error{position:absolute;left:18px;right:18px;bottom:18px;z-index:5;padding:13px 15px;border:1px solid rgba(255,95,125,.32);border-radius:14px;background:rgba(35,10,17,.91);color:#ffc0cd}
.fps-error strong,.fps-error span{display:block}.fps-error span{font-size:13px;margin-top:3px;color:#dca6b1}
.fps-bar{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:14px 16px;border-top:1px solid var(--line);background:linear-gradient(180deg,#0e131c,#0a0e15)}
.fps-controls{display:flex;gap:8px;flex-wrap:wrap}
.control-chip{display:inline-flex;align-items:center;gap:5px;padding:8px 10px;border:1px solid var(--line);border-radius:11px;background:var(--panel2);color:var(--muted);font-size:12px;white-space:nowrap}
.control-chip b{color:var(--text);font-weight:850}
.fps-actions{display:flex;gap:8px;flex-shrink:0}
.fps-info{margin-top:16px}
.fps-info details{border:1px solid var(--line);border-radius:16px;background:rgba(255,255,255,.018);padding:15px 17px}
.fps-info summary{cursor:pointer;font-weight:750}
.fps-info p{max-width:850px;color:var(--muted);line-height:1.72}
.fps-shell:fullscreen{width:100%;height:100%;border:0;border-radius:0;background:#000;display:flex;flex-direction:column}
.fps-shell:fullscreen .fps-screen{flex:1;aspect-ratio:auto;min-height:0}
.fps-shell:fullscreen .fps-bar{flex:0 0 auto}
@media(max-width:860px){
  .fps-bar{align-items:stretch;flex-direction:column}
  .fps-actions{width:100%}.fps-actions .btn{flex:1}
}
@media(max-width:620px){
  .fps-header{padding-top:34px}
  .fps-screen{aspect-ratio:4/3}
  .fps-controls{display:grid;grid-template-columns:repeat(2,minmax(0,1fr))}
  .control-chip{white-space:normal}
  .fps-actions{display:grid;grid-template-columns:1fr 1fr}
}

/* Pixel Arcade v6.0 retro pack */
.compact-hero{padding:64px 0 30px}
.compact-hero h1{font-size:clamp(48px,7vw,82px)}
.retro-native-stage{background:radial-gradient(circle at 50% 40%,rgba(124,92,255,.06),transparent 38%),#05070b}
.arcade-touch{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.arcade-touch button{min-width:52px;height:48px;padding:0 14px;border-radius:13px;border:1px solid var(--line);background:var(--panel2);color:var(--text);font-weight:800;font-size:18px;cursor:pointer}
.arcade-touch button:active{transform:translateY(1px);background:#20283a}
@media(max-width:760px){.retro-native-stage{min-height:420px}.arcade-touch button{flex:1}}