:root{
  --lime:#ccff00;
  --ink:#090b08;
  --mag:#ec00a5;
  --cream:#f5f4d7;
  --green:#3eb35c;
  --line:rgba(204,255,0,.2);
}
*{box-sizing:border-box}
html,body{margin:0;min-height:100%;background:var(--ink);color:var(--cream);font-family:"Arial Black","Helvetica Neue",Arial,sans-serif}
body{overflow-x:hidden;background:
  radial-gradient(circle at 88% 8%,rgba(236,0,165,.22),transparent 28rem),
  linear-gradient(135deg,rgba(204,255,0,.035) 25%,transparent 25%) 0 0/18px 18px,
  var(--ink)}
button,input{font:inherit}
a{color:inherit}
.game-shell{width:min(1420px,100%);margin:auto;padding:18px clamp(14px,3vw,42px) 40px}
.game-nav{display:flex;align-items:center;justify-content:space-between;gap:16px;border-bottom:2px solid rgba(204,255,0,.28);padding-bottom:16px}
.game-brand{display:flex;align-items:center;gap:11px;text-decoration:none;font-size:15px;letter-spacing:.04em;text-transform:uppercase}
.game-brand img{width:42px;height:42px;border:2px solid var(--lime);border-radius:10px}
.game-brand b{color:var(--lime)}
.back-link{font-family:ui-monospace,Menlo,monospace;font-weight:800;font-size:11px;letter-spacing:.12em;text-transform:uppercase;text-decoration:none;border:2px solid var(--lime);border-radius:999px;padding:9px 13px}
.back-link:hover{background:var(--lime);color:var(--ink)}
.game-head{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:28px;align-items:end;padding:34px 0 22px}
.eyebrow{margin:0 0 10px;color:var(--mag);font-family:ui-monospace,Menlo,monospace;font-size:12px;font-weight:900;letter-spacing:.18em;text-transform:uppercase}
h1{font-size:clamp(56px,10vw,146px);line-height:.72;letter-spacing:-.065em;text-transform:uppercase;margin:0;color:var(--lime)}
h1 span{display:block;color:transparent;-webkit-text-stroke:2px var(--cream);font-size:.72em;letter-spacing:-.04em}
.game-intro{max-width:36ch;margin:0;font-family:ui-monospace,Menlo,monospace;font-weight:700;font-size:13px;line-height:1.55;color:rgba(245,244,215,.7)}
.game-layout{display:grid;grid-template-columns:minmax(0,1fr) 330px;gap:18px;align-items:start}
.arena-card{position:relative;border:3px solid var(--lime);border-radius:18px;overflow:hidden;background:#11150d;box-shadow:10px 10px 0 var(--mag)}
.hud{height:74px;display:grid;grid-template-columns:1fr 1fr 1fr;background:var(--lime);color:var(--ink);border-bottom:3px solid var(--ink)}
.hud__cell{display:flex;flex-direction:column;justify-content:center;padding:9px clamp(10px,2vw,22px);border-right:3px solid var(--ink)}
.hud__cell:last-child{border-right:0}
.hud__label{font-family:ui-monospace,Menlo,monospace;font-size:9px;font-weight:900;letter-spacing:.16em;text-transform:uppercase;opacity:.56}
.hud__value{font-size:clamp(18px,3vw,29px);line-height:1;font-weight:900;font-variant-numeric:tabular-nums}
#hearts{letter-spacing:.08em;color:var(--mag);-webkit-text-stroke:1px var(--ink)}
.canvas-wrap{position:relative;aspect-ratio:16/9;min-height:360px;max-height:670px;background:#0b0e09;touch-action:none;user-select:none}
#gameCanvas{display:block;width:100%;height:100%}
.scanlines{position:absolute;inset:0;pointer-events:none;opacity:.16;background:repeating-linear-gradient(0deg,transparent 0 4px,rgba(204,255,0,.12) 5px)}
.game-overlay{position:absolute;inset:0;z-index:4;display:flex;align-items:center;justify-content:center;padding:24px;background:rgba(9,11,8,.84);backdrop-filter:blur(7px)}
.game-overlay[hidden]{display:none}
.panel{width:min(560px,100%);border:3px solid var(--lime);border-radius:16px;background:var(--ink);padding:clamp(22px,4vw,36px);box-shadow:8px 8px 0 var(--mag)}
.panel__tag{display:inline-block;background:var(--mag);padding:6px 9px;border-radius:6px;font-family:ui-monospace,Menlo,monospace;font-size:10px;font-weight:900;letter-spacing:.13em;text-transform:uppercase}
.panel h2{font-size:clamp(34px,6vw,62px);line-height:.84;letter-spacing:-.05em;text-transform:uppercase;margin:18px 0 12px;color:var(--lime)}
.panel p{font-family:ui-monospace,Menlo,monospace;color:rgba(245,244,215,.74);font-size:12px;line-height:1.55;margin:0 0 16px}
.wallet-label{display:block;font-family:ui-monospace,Menlo,monospace;font-size:10px;font-weight:900;letter-spacing:.12em;text-transform:uppercase;color:var(--lime);margin-bottom:7px}
.wallet-row{display:flex;gap:8px}
#walletInput{width:100%;min-width:0;background:#161b12;color:var(--cream);border:2px solid rgba(204,255,0,.55);border-radius:9px;padding:13px;font-family:ui-monospace,Menlo,monospace;font-size:12px;outline:none}
#walletInput:focus{border-color:var(--mag);box-shadow:0 0 0 3px rgba(236,0,165,.18)}
.game-btn{border:0;border-radius:9px;background:var(--lime);color:var(--ink);padding:13px 18px;cursor:pointer;font-size:13px;font-weight:900;letter-spacing:.06em;text-transform:uppercase;white-space:nowrap}
.game-btn:hover{background:var(--mag);color:#fff;transform:translateY(-2px)}
.game-btn:disabled{opacity:.45;cursor:wait;transform:none}
.game-btn--ghost{background:transparent;color:var(--lime);border:2px solid var(--lime)}
.panel__error{min-height:18px;color:#ff577d!important;margin:10px 0 0!important}
.controls{display:grid;grid-template-columns:1fr 1fr;gap:10px;padding:12px;background:var(--ink);border-top:3px solid var(--lime)}
.move-btn{border:2px solid var(--lime);border-radius:10px;background:rgba(204,255,0,.08);color:var(--lime);padding:14px;cursor:pointer;font-size:20px;line-height:1;touch-action:manipulation}
.move-btn:active{background:var(--lime);color:var(--ink);transform:translateY(2px)}
.move-btn small{font-family:ui-monospace,Menlo,monospace;display:block;font-size:9px;letter-spacing:.15em;margin-top:5px}
.side{display:grid;gap:12px}
.side-card{border:2px solid rgba(204,255,0,.45);border-radius:14px;padding:18px;background:rgba(15,19,12,.86)}
.side-card--target{background:var(--mag);border-color:var(--cream);color:#fff}
.side-kicker{font-family:ui-monospace,Menlo,monospace;font-size:9px;font-weight:900;letter-spacing:.16em;text-transform:uppercase;opacity:.65}
.target-num{font-size:52px;line-height:.9;letter-spacing:-.06em;margin:8px 0 4px}
.side-card h3{font-size:17px;line-height:1;text-transform:uppercase;margin:6px 0 12px;color:var(--lime)}
.side-card--target h3{color:#fff}
.side-card ol{margin:0;padding-left:20px;font-family:ui-monospace,Menlo,monospace;font-size:11px;line-height:1.55;color:rgba(245,244,215,.72)}
.side-card li+li{margin-top:7px}
.legend{display:grid;grid-template-columns:1fr 1fr;gap:7px}
.legend div{border-top:1px dashed rgba(204,255,0,.25);padding-top:7px;font-family:ui-monospace,Menlo,monospace;font-size:10px;color:rgba(245,244,215,.64)}
.legend b{display:block;color:var(--lime);font-size:12px;margin-bottom:2px}
.proof-box{display:none;margin-top:12px;border:2px dashed var(--lime);border-radius:10px;padding:12px;background:#11150d}
.proof-box.on{display:block}
.proof-box code{display:block;max-height:80px;overflow:auto;word-break:break-all;font-family:ui-monospace,Menlo,monospace;font-size:9px;color:rgba(245,244,215,.62);margin:9px 0}
.result-score{font-size:44px;color:var(--lime);line-height:1;margin:10px 0}
.result-actions{display:flex;flex-wrap:wrap;gap:8px}
.result-actions .game-btn{font-size:11px;padding:11px 13px}
.disclaimer{font-family:ui-monospace,Menlo,monospace;font-size:9px;line-height:1.5;color:rgba(245,244,215,.4);margin-top:16px}
.flash{position:absolute;inset:0;z-index:3;pointer-events:none;opacity:0;background:var(--mag)}
.flash.hit{animation:hitFlash .28s ease}
@keyframes hitFlash{0%{opacity:.7}100%{opacity:0}}
@media(max-width:980px){
  .game-head{grid-template-columns:1fr}.game-intro{max-width:58ch}
  .game-layout{grid-template-columns:1fr}.side{grid-template-columns:1fr 1fr}.side-card:last-child{grid-column:1/-1}
}
@media(max-width:620px){
  .game-shell{padding:10px 10px 28px}.game-nav{padding-bottom:10px}.back-link{font-size:9px;padding:8px 10px}
  .game-head{padding:24px 4px 16px}.game-intro{display:none}h1{font-size:64px}
  .arena-card{box-shadow:6px 6px 0 var(--mag)}.hud{height:62px}.canvas-wrap{aspect-ratio:4/5;min-height:480px}
  .hud__value{font-size:19px}.hud__cell{padding:7px 9px}.side{grid-template-columns:1fr}
  .side-card:last-child{grid-column:auto}.wallet-row{display:grid}.panel{padding:20px}.panel h2{font-size:42px}
  .controls{position:relative}.move-btn{padding:16px}
}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}