:root{
  --bg:#070a18;
  --bg2:#0d1226;
  --panel:rgba(255,255,255,.05);
  --stroke:rgba(255,255,255,.10);
  --txt:#eef1ff;
  --muted:#9aa3c7;
  --orange:#ff8a1f;
  --orange2:#ffb648;
  --indigo:#5b5bff;
  --chakra:#42e8ff;
  --danger:#ff3b5c;
  --good:#35e08a;
  --font:"Trebuchet MS","Segoe UI",system-ui,-apple-system,sans-serif;
  --shadow:0 18px 50px rgba(0,0,0,.55);
}
*{box-sizing:border-box;margin:0;padding:0;-webkit-tap-highlight-color:transparent}
html,body{height:100%}
body{
  background:
    radial-gradient(1200px 700px at 15% -10%, rgba(255,138,31,.18), transparent 60%),
    radial-gradient(1100px 700px at 88% 110%, rgba(91,91,255,.22), transparent 60%),
    linear-gradient(180deg,var(--bg2),var(--bg));
  color:var(--txt);
  font-family:var(--font);
  overflow:hidden;
  user-select:none;
}
#app{
  position:fixed;inset:0;
  display:grid;place-items:center;
  padding:env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left);
}
canvas#game{
  display:block;
  width:min(100vw, calc(100vh * 16 / 9));
  height:min(100vh, calc(100vw * 9 / 16));
  border-radius:14px;
  background:#05070f;
  box-shadow:var(--shadow);
  image-rendering:auto;
  touch-action:none;
}
.screen{
  position:absolute;inset:0;
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:clamp(10px,1.6vh,22px);
  padding:clamp(14px,3vw,40px);
  background:
    radial-gradient(900px 520px at 50% 0%, rgba(255,138,31,.10), transparent 65%),
    rgba(5,7,15,.86);
  backdrop-filter:blur(10px);
  text-align:center;
  animation:fadeUp .35s ease both;
  z-index:5;
}
.hidden{display:none !important}
@keyframes fadeUp{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}
h1{
  font-size:clamp(34px,7.4vw,78px);
  letter-spacing:.06em;
  line-height:1;
  font-weight:800;
  text-transform:uppercase;
  text-shadow:0 6px 0 rgba(0,0,0,.35), 0 0 34px rgba(255,138,31,.35);
}
h1 b{
  display:block;
  background:linear-gradient(90deg,var(--orange2),var(--orange) 45%,var(--danger));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
h2{font-size:clamp(22px,3.6vw,40px);letter-spacing:.12em;text-transform:uppercase}
h2.title2{font-size:clamp(18px,2.6vw,28px);color:var(--muted);letter-spacing:.24em}
.tag{color:var(--muted);font-size:clamp(12px,1.5vw,16px);letter-spacing:.06em}
.row{display:flex;gap:12px;flex-wrap:wrap;align-items:center;justify-content:center}
.diff .lbl{color:var(--muted);font-size:13px;letter-spacing:.18em;text-transform:uppercase}

.btn{
  cursor:pointer;
  border:1px solid var(--stroke);
  background:linear-gradient(180deg,rgba(255,255,255,.10),rgba(255,255,255,.03));
  color:var(--txt);
  font-family:inherit;font-weight:700;letter-spacing:.1em;text-transform:uppercase;
  font-size:clamp(12px,1.4vw,15px);
  padding:.85em 1.5em;border-radius:999px;
  transition:transform .18s ease, box-shadow .18s ease, background .18s ease;
  box-shadow:0 6px 20px rgba(0,0,0,.35);
}
.btn:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(0,0,0,.45)}
.btn.big{font-size:clamp(14px,1.8vw,19px);padding:1em 2em}
.btn.primary{
  border-color:rgba(255,138,31,.55);
  background:linear-gradient(180deg,rgba(255,138,31,.95),rgba(255,90,20,.85));
  color:#1a0d02;
  text-shadow:none;
}
.chip{
  cursor:pointer;border:1px solid var(--stroke);border-radius:999px;
  background:rgba(255,255,255,.04);color:var(--muted);
  font-family:inherit;font-weight:600;font-size:12px;letter-spacing:.12em;text-transform:uppercase;
  padding:.6em 1.1em;transition:all .18s ease;
}
.chip:hover{color:var(--txt);transform:translateY(-2px)}
.chip.on{
  color:#08111b;border-color:var(--chakra);
  background:linear-gradient(180deg,var(--chakra),#12b7d6);
  box-shadow:0 0 22px rgba(66,232,255,.35);
}
.keys{
  max-width:min(880px,92vw);
  display:grid;gap:6px;
  color:var(--muted);font-size:clamp(11px,1.25vw,13.5px);line-height:1.55;
}
.keys b{color:var(--orange2);letter-spacing:.1em}
.keys i{
  font-style:normal;color:var(--txt);
  background:rgba(255,255,255,.08);border:1px solid var(--stroke);
  padding:0 .4em;border-radius:5px;font-weight:700;
}
.keys .tip{margin-top:6px;color:#7f88ad;font-size:.95em}
.picks{display:flex;align-items:center;gap:clamp(10px,2.4vw,34px);flex-wrap:wrap;justify-content:center}
.pick{
  display:flex;flex-direction:column;align-items:center;gap:10px;
  padding:clamp(10px,1.4vw,18px);
  border:1px solid var(--stroke);border-radius:20px;
  background:var(--panel);backdrop-filter:blur(12px);
  min-width:min(300px,86vw);
}
.ptag{font-size:11px;letter-spacing:.22em;text-transform:uppercase;color:var(--muted)}
.ptag.p1{color:var(--orange2)}
.ptag.p2{color:#9a9dff}
.vs{
  font-weight:800;letter-spacing:.1em;font-size:clamp(20px,3vw,34px);
  color:#fff;opacity:.5;
  text-shadow:0 0 24px rgba(255,138,31,.5);
}
.cards{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.card{
  cursor:pointer;position:relative;
  border:1px solid var(--stroke);border-radius:16px;
  background:linear-gradient(180deg,rgba(255,255,255,.06),rgba(255,255,255,.02));
  padding:8px 8px 10px;display:flex;flex-direction:column;align-items:center;gap:6px;
  transition:transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}
.card canvas{width:clamp(72px,9vw,104px);height:auto;border-radius:10px;background:rgba(0,0,0,.28)}
.card .nm{font-size:12px;font-weight:800;letter-spacing:.1em;text-transform:uppercase}
.card .jt{font-size:9.5px;color:var(--muted);line-height:1.35;letter-spacing:.02em}
.card:hover{transform:translateY(-3px)}
.card.on{
  border-color:var(--orange);
  box-shadow:0 0 0 1px rgba(255,138,31,.5) inset, 0 14px 30px rgba(255,120,20,.28);
  background:linear-gradient(180deg,rgba(255,138,31,.22),rgba(255,255,255,.03));
}
.pal{display:flex;gap:8px}
.dot{
  width:20px;height:20px;border-radius:50%;cursor:pointer;
  border:2px solid rgba(255,255,255,.25);
  transition:transform .15s ease;
}
.dot:hover{transform:scale(1.12)}
.dot.on{border-color:#fff;box-shadow:0 0 12px rgba(255,255,255,.5)}
.stats{display:flex;gap:12px;color:var(--muted);font-size:11px;letter-spacing:.06em}
.stats b{color:var(--txt)}
#scPause,#scResult{gap:14px}
#resTitle{background:linear-gradient(90deg,var(--orange2),var(--chakra));-webkit-background-clip:text;background-clip:text;color:transparent}
#err{
  position:absolute;left:10px;bottom:10px;max-width:70vw;z-index:20;
  color:#ffb4b4;background:rgba(30,0,0,.8);border:1px solid #ff3b5c;
  border-radius:10px;padding:10px 12px;font-size:11px;white-space:pre-wrap;
}

/* ---------- touch controls ---------- */
#touch{position:absolute;inset:auto 0 0 0;z-index:6;pointer-events:none}
#touch .pad,#touch .acts{position:absolute;bottom:max(10px,env(safe-area-inset-bottom));display:grid;gap:8px;pointer-events:auto}
#touch .pad{
  left:12px;grid-template-columns:repeat(3,58px);grid-template-rows:repeat(2,58px);
  grid-template-areas:". u ." "l d r";
}
#touch .pad .tu{grid-area:u}#touch .pad .tl{grid-area:l}
#touch .pad .td{grid-area:d}#touch .pad .tr{grid-area:r}
#touch .acts{
  right:12px;grid-template-columns:repeat(3,minmax(58px,72px));
}
.tb{
  pointer-events:auto;
  border:1px solid rgba(255,255,255,.18);
  background:rgba(12,16,32,.62);
  backdrop-filter:blur(8px);
  color:#eef1ff;font-family:inherit;font-weight:800;
  font-size:11px;letter-spacing:.08em;text-transform:uppercase;
  border-radius:14px;padding:12px 6px;
  transition:transform .1s ease, background .1s ease;
}
.tb:active,.tb.on{
  transform:scale(.94);
  background:rgba(255,138,31,.55);
  border-color:rgba(255,190,120,.7);
}
#touch .acts .a7{background:rgba(91,91,255,.5);border-color:rgba(150,150,255,.6)}
#touch .acts .a8{grid-column:span 3;padding:8px;opacity:.75}
@media (max-width:900px){
  .card .jt{display:none}
  .keys{display:none}
  h1{font-size:clamp(30px,10vw,56px)}
}
@media (max-height:560px){
  .keys .tip{display:none}
}