/* ===== Game LAD — design tokens ===== */
:root{
  --bg:#0a0e1a; --bg2:#0f1526; --surface:#151c30; --surface2:#1c2540;
  --border:rgba(255,255,255,.08); --border2:rgba(255,255,255,.14);
  --text:#eef1f8; --muted:#8e97b3; --muted2:#5f6884;
  --accent:#7c5cff; --accent2:#22d3ee; --ok:#34d399; --warn:#fbbf24; --bad:#fb7185;
  --radius:18px; --radius-sm:12px;
  --shadow:0 10px 30px -10px rgba(0,0,0,.6);
  --font:"Be Vietnam Pro",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  color-scheme:dark;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--text);font-family:var(--font);line-height:1.5;
  background-image:radial-gradient(900px 500px at 10% -10%,rgba(124,92,255,.18),transparent 60%),
                   radial-gradient(800px 500px at 100% 0%,rgba(34,211,238,.12),transparent 60%);
  background-attachment:fixed;min-height:100vh;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;cursor:pointer;border:0;background:none}
img,svg{display:block;max-width:100%}
.container{width:min(1200px,100% - 32px);margin-inline:auto}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}

/* ===== Top bar ===== */
.topbar{position:sticky;top:0;z-index:50;backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  background:rgba(10,14,26,.72);border-bottom:1px solid var(--border)}
.topbar .container{display:flex;align-items:center;gap:16px;height:64px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:20px;letter-spacing:-.02em}
.brand .logo{width:34px;height:34px;border-radius:10px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--accent),var(--accent2));box-shadow:0 6px 18px -6px rgba(124,92,255,.8)}
.brand .logo svg{width:20px;height:20px}
.brand span b{background:linear-gradient(90deg,#c4b5fd,#67e8f9);-webkit-background-clip:text;background-clip:text;color:transparent}
.topbar .spacer{flex:1}
.search{display:flex;align-items:center;gap:8px;background:var(--surface);border:1px solid var(--border);
  border-radius:999px;padding:0 14px;height:40px;min-width:220px;max-width:360px;flex:1}
.search svg{width:18px;height:18px;color:var(--muted);flex:none}
.search input{background:none;border:0;outline:0;color:var(--text);font:inherit;width:100%}
.search input::placeholder{color:var(--muted2)}
.search:focus-within{border-color:var(--accent)}

/* ===== Hero ===== */
.hero{padding:56px 0 24px}
.hero h1{font-size:clamp(30px,5vw,52px);line-height:1.08;letter-spacing:-.03em;margin:0 0 12px;font-weight:800}
.hero h1 em{font-style:normal;background:linear-gradient(90deg,#a78bfa,#22d3ee,#34d399);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p{color:var(--muted);font-size:clamp(15px,1.6vw,18px);max-width:620px;margin:0}
.hero .badges{display:flex;gap:10px;flex-wrap:wrap;margin-top:20px}
.badge{display:inline-flex;align-items:center;gap:6px;padding:6px 12px;border-radius:999px;font-size:13px;
  background:var(--surface);border:1px solid var(--border);color:var(--muted)}
.badge i{width:8px;height:8px;border-radius:50%;background:var(--ok);display:inline-block}

/* ===== Filter chips ===== */
.chips{display:flex;gap:8px;flex-wrap:wrap;margin:24px 0 20px}
.chip{padding:8px 16px;border-radius:999px;border:1px solid var(--border);background:var(--surface);color:var(--muted);
  font-weight:600;font-size:14px;transition:.15s}
.chip:hover{border-color:var(--border2);color:var(--text)}
.chip.active{background:linear-gradient(135deg,var(--accent),#5b3df5);border-color:transparent;color:#fff;box-shadow:0 8px 20px -8px rgba(124,92,255,.9)}

/* ===== Game grid ===== */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:18px;padding-bottom:64px}
.card{position:relative;display:flex;flex-direction:column;border-radius:var(--radius);background:var(--surface);
  border:1px solid var(--border);overflow:hidden;transition:transform .2s,box-shadow .2s,border-color .2s;outline:none}
.card:hover,.card:focus-visible{transform:translateY(-4px);box-shadow:var(--shadow);border-color:var(--border2)}
.card .thumb{aspect-ratio:4/3;display:grid;place-items:center;position:relative;overflow:hidden}
.card .thumb::after{content:"";position:absolute;inset:0;background:radial-gradient(circle at 30% 20%,rgba(255,255,255,.25),transparent 50%)}
.card .thumb svg{width:44%;height:44%;filter:drop-shadow(0 12px 18px rgba(0,0,0,.35));transition:transform .3s}
.card:hover .thumb svg{transform:scale(1.08) rotate(-3deg)}
.card .body{padding:14px 14px 16px;display:flex;flex-direction:column;gap:4px}
.card h3{margin:0;font-size:16px;font-weight:700;letter-spacing:-.01em}
.card p{margin:0;color:var(--muted);font-size:13px;line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card .meta{display:flex;align-items:center;justify-content:space-between;margin-top:8px;font-size:12px;color:var(--muted2)}
.card .play{position:absolute;right:12px;top:calc(75% - 22px);width:44px;height:44px;border-radius:50%;display:grid;place-items:center;
  background:#fff;color:#111;box-shadow:0 8px 20px -6px rgba(0,0,0,.6);opacity:0;transform:translateY(8px) scale(.9);transition:.2s}
.card .play svg{width:18px;height:18px;margin-left:2px}
.card:hover .play,.card:focus-visible .play{opacity:1;transform:none}
.card .tag{padding:2px 8px;border-radius:6px;background:rgba(255,255,255,.06);border:1px solid var(--border);font-weight:600}
.card .best{font-variant-numeric:tabular-nums}
.empty{grid-column:1/-1;text-align:center;color:var(--muted);padding:60px 0}

/* gradient palettes for thumbs */
.g-violet{background:linear-gradient(135deg,#6d28d9,#a78bfa)} .g-cyan{background:linear-gradient(135deg,#0e7490,#22d3ee)}
.g-green{background:linear-gradient(135deg,#047857,#34d399)} .g-amber{background:linear-gradient(135deg,#b45309,#fbbf24)}
.g-rose{background:linear-gradient(135deg,#be123c,#fb7185)} .g-blue{background:linear-gradient(135deg,#1d4ed8,#60a5fa)}
.g-orange{background:linear-gradient(135deg,#c2410c,#fb923c)} .g-teal{background:linear-gradient(135deg,#0f766e,#2dd4bf)}
.g-pink{background:linear-gradient(135deg,#a21caf,#e879f9)} .g-lime{background:linear-gradient(135deg,#4d7c0f,#a3e635)}
.g-slate{background:linear-gradient(135deg,#334155,#94a3b8)} .g-red{background:linear-gradient(135deg,#991b1b,#f87171)}
.g-indigo{background:linear-gradient(135deg,#3730a3,#818cf8)} .g-yellow{background:linear-gradient(135deg,#a16207,#facc15)}
.g-sky{background:linear-gradient(135deg,#0369a1,#38bdf8)} .g-emerald{background:linear-gradient(135deg,#065f46,#6ee7b7)}

/* ===== Footer ===== */
.footer{border-top:1px solid var(--border);padding:28px 0;color:var(--muted2);font-size:13px;text-align:center}

/* ===== Game page ===== */
.game-page{display:flex;flex-direction:column;min-height:100vh}
.gbar{position:sticky;top:0;z-index:40;backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  background:rgba(10,14,26,.78);border-bottom:1px solid var(--border)}
.gbar .container{display:flex;align-items:center;gap:12px;height:60px}
.gbar .back{display:inline-flex;align-items:center;gap:6px;color:var(--muted);font-weight:600;font-size:14px;padding:8px 10px 8px 6px;border-radius:10px}
.gbar .back:hover{background:rgba(255,255,255,.06);color:var(--text)}
.gbar .back svg{width:18px;height:18px}
.gbar h1{font-size:18px;margin:0;font-weight:800;letter-spacing:-.01em;flex:1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.stats{display:flex;gap:8px}
.stat{min-width:78px;padding:6px 12px;border-radius:12px;background:var(--surface);border:1px solid var(--border);text-align:center;line-height:1.15}
.stat small{display:block;font-size:10px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted2);font-weight:700}
.stat b{font-size:18px;font-variant-numeric:tabular-nums;font-weight:800}
.stat.best b{color:var(--warn)}
.stat.pulse b{animation:pop .25s}
@keyframes pop{50%{transform:scale(1.25)}}

.stage{flex:1;display:flex;flex-direction:column;align-items:center;padding:22px 16px 12px}
.stage-inner{position:relative;width:100%;max-width:var(--stage-w,560px);display:flex;flex-direction:column;align-items:center;gap:14px}
.stage-inner canvas{display:block;max-width:100%;border-radius:16px;touch-action:none;user-select:none;-webkit-user-select:none}
.frame{position:relative;width:100%;border-radius:20px;background:var(--surface);border:1px solid var(--border);box-shadow:var(--shadow);overflow:hidden}

/* Overlay (start / game over / pause) */
.overlay{position:absolute;inset:0;z-index:5;display:flex;align-items:center;justify-content:center;padding:20px;
  background:rgba(8,11,22,.78);backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);border-radius:inherit;animation:fade .2s}
@keyframes fade{from{opacity:0}}
.overlay .box{text-align:center;max-width:340px;width:100%}
.overlay .kicker{font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--accent2);font-weight:800;margin-bottom:6px}
.overlay h2{margin:0 0 6px;font-size:30px;letter-spacing:-.02em;font-weight:800}
.overlay p{margin:0 0 18px;color:var(--muted);font-size:15px}
.overlay .big{font-size:44px;font-weight:800;font-variant-numeric:tabular-nums;margin:6px 0 2px;letter-spacing:-.02em}
.overlay .row{display:flex;gap:10px;justify-content:center;flex-wrap:wrap}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:11px 20px;border-radius:12px;font-weight:700;font-size:15px;
  background:var(--surface2);border:1px solid var(--border2);transition:.15s;white-space:nowrap}
.btn:hover{background:#233052;transform:translateY(-1px)}
.btn:active{transform:translateY(0)}
.btn.primary{background:linear-gradient(135deg,var(--accent),#5b3df5);border-color:transparent;color:#fff;box-shadow:0 10px 24px -8px rgba(124,92,255,.9)}
.btn.primary:hover{filter:brightness(1.08)}
.btn.sm{padding:8px 14px;font-size:13px;border-radius:10px}
.btn svg{width:18px;height:18px}
.btn.icon{padding:9px;width:40px;height:40px;border-radius:10px}
.controls{display:flex;gap:10px;flex-wrap:wrap;justify-content:center}
.seg{display:inline-flex;background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:3px}
.seg button{padding:7px 14px;border-radius:9px;font-weight:700;font-size:13px;color:var(--muted)}
.seg button.active{background:var(--surface2);color:var(--text)}

/* Help */
.help{width:min(760px,100% - 32px);margin:8px auto 40px;color:var(--muted);font-size:14px}
.help h3{color:var(--text);font-size:14px;letter-spacing:.06em;text-transform:uppercase;margin:0 0 8px}
.help .cols{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:18px}
.help kbd{font-family:var(--mono);font-size:12px;padding:2px 7px;border-radius:6px;background:var(--surface2);border:1px solid var(--border2);border-bottom-width:2px;color:var(--text)}
.help ul{margin:0;padding-left:18px}
.help li{margin:4px 0}

/* More games strip */
.more{width:min(1200px,100% - 32px);margin:0 auto 40px}
.more h3{font-size:16px;margin:0 0 12px}
.more .grid{grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:12px;padding-bottom:0}
.more .card .body{padding:10px 12px 12px}.more .card h3{font-size:14px}.more .card p,.more .card .meta,.more .card .play{display:none}

/* Touch d-pad */
.dpad{display:none;grid-template-columns:repeat(3,64px);grid-template-rows:repeat(3,64px);gap:6px;margin-top:6px;user-select:none;-webkit-user-select:none;touch-action:none}
.dpad button{border-radius:14px;background:var(--surface);border:1px solid var(--border2);display:grid;place-items:center;color:var(--text);font-size:22px;touch-action:none}
.dpad button:active{background:var(--accent);border-color:transparent}
.dpad .u{grid-area:1/2}.dpad .l{grid-area:2/1}.dpad .r{grid-area:2/3}.dpad .d{grid-area:3/2}.dpad .a{grid-area:2/2;border-radius:50%;font-size:13px;font-weight:800;letter-spacing:.06em}
.touch .dpad{display:grid}
.touch .kb-only{display:none}

/* Toast */
.toast{position:fixed;left:50%;bottom:24px;transform:translateX(-50%) translateY(20px);opacity:0;background:var(--surface2);border:1px solid var(--border2);
  padding:10px 16px;border-radius:12px;font-weight:600;font-size:14px;transition:.25s;z-index:99;pointer-events:none;box-shadow:var(--shadow)}
.toast.show{opacity:1;transform:translateX(-50%)}

@media (max-width:640px){
  .topbar .container{height:58px}
  .search{min-width:0}
  .brand span{display:none}
  .hero{padding:32px 0 8px}
  .grid{grid-template-columns:repeat(2,1fr);gap:12px}
  .card .body{padding:10px 12px 12px}.card h3{font-size:14px}.card p{display:none}
  .gbar .container{gap:8px}
  .stat{min-width:64px;padding:5px 10px}.stat b{font-size:15px}
  .gbar h1{font-size:16px}
}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}