:root{--c:#39ff7a}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;height:100%;background:#000;overflow:hidden;font-family:"Courier New",ui-monospace,monospace;color:var(--c);user-select:none;touch-action:none}
canvas{display:block;width:100vw;height:100vh}
#scan{position:fixed;inset:0;pointer-events:none;background:repeating-linear-gradient(0deg,rgba(0,0,0,.28) 0 1px,transparent 1px 3px);box-shadow:inset 0 0 120px rgba(0,0,0,.9)}
.hidden{display:none!important}
#hud{position:fixed;top:0;left:0;right:0;display:flex;gap:14px;align-items:center;justify-content:center;padding:8px 10px;padding-top:max(8px,env(safe-area-inset-top));font-size:15px;text-shadow:0 0 6px var(--c);flex-wrap:wrap}
#hud b{font-weight:normal;opacity:.7;font-size:12px}#hud i{font-style:normal;font-size:18px}
.ib{background:none;border:1px solid var(--c);color:var(--c);font:inherit;padding:4px 9px;border-radius:4px;box-shadow:0 0 6px var(--c);cursor:pointer}
.panel{position:fixed;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;background:rgba(0,0,0,.55);text-align:center;padding:20px}
h1{font-size:clamp(40px,10vw,84px);margin:0;letter-spacing:6px;line-height:.95;text-shadow:0 0 8px var(--c),0 0 24px var(--c)}
h2{font-size:34px;margin:0;text-shadow:0 0 10px var(--c)}
.panel button{background:rgba(0,0,0,.4);border:2px solid var(--c);color:var(--c);font:inherit;font-size:17px;padding:10px 22px;min-width:220px;border-radius:6px;cursor:pointer;box-shadow:0 0 10px var(--c),inset 0 0 8px var(--c);text-shadow:0 0 6px var(--c)}
.panel button.big{font-size:22px;padding:14px 26px}
.panel .row{display:flex;gap:8px;flex-wrap:wrap;justify-content:center}.panel .row button{min-width:0;padding:8px 12px}
.lang.on{background:var(--c);color:#000}
.small{font-size:13px;opacity:.8;max-width:460px}a{color:var(--c)}
.ver{margin:0;opacity:.6}
#coach{position:fixed;bottom:140px;left:50%;transform:translateX(-50%);border:1px solid var(--c);padding:8px 14px;background:rgba(0,0,0,.7);font-size:15px;text-shadow:0 0 6px var(--c);max-width:90vw;text-align:center}
#toast{position:fixed;top:60px;left:50%;transform:translateX(-50%);font-size:24px;text-shadow:0 0 12px var(--c);pointer-events:none;text-align:center}
#touch{position:fixed;left:0;right:0;bottom:0;display:flex;justify-content:space-between;padding:14px;padding-bottom:max(14px,env(safe-area-inset-bottom));pointer-events:none}
#touch div{display:flex;gap:12px;pointer-events:auto}
#touch button{width:74px;height:74px;border-radius:50%;border:2px solid var(--c);background:rgba(0,0,0,.35);color:var(--c);font-size:26px;box-shadow:0 0 10px var(--c);opacity:.75}
#touch button.on{background:var(--c);color:#000}#touch .fire{width:88px;height:88px}