:root{
  --ink:#1c202b;
  --paper:#dfe7ff;
  --panel:#f4f6ff;
  --purple:#7107e7;
  --violet:#a66cff;
  --cyan:#56cfe1;
  --yellow:#f4d03f;
  --pink:#ff5d8f;
  --green:#58d68d;
  --orange:#ff9f43;
  --red:#ff4d4d;
  --line:#7784b5;
  --mono:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;
  --display:Impact,Haettenschweiler,'Arial Narrow Bold',sans-serif;
}
*{box-sizing:border-box}
html{background:var(--paper);color:var(--ink)}
body{margin:0;font-family:Arial,Helvetica,sans-serif;background:
  linear-gradient(90deg,transparent 49.8%,#7b8ac426 50%,transparent 50.2%),
  radial-gradient(circle at 15% 10%,#fff 0 2px,transparent 3px),
  var(--paper);background-size:100% 100%,28px 28px,auto;min-height:100vh}
button,a{-webkit-tap-highlight-color:transparent}
button{font:inherit;color:inherit}
button:focus-visible,a:focus-visible,canvas:focus-visible{outline:3px solid var(--yellow);outline-offset:4px}
.page{width:min(1320px,calc(100% - 48px));margin:auto}
header{height:74px;display:flex;align-items:center;justify-content:space-between;border-bottom:2px solid var(--ink);gap:20px}
.back-link{display:flex;align-items:center;gap:13px;color:var(--ink);text-decoration:none;font:700 12px var(--mono);letter-spacing:1px}
.back-link>span{font-size:21px}.back-link b{font-weight:500;color:#53608f;border-left:1px solid #9ba6cc;padding-left:14px}
nav{display:flex;align-items:center;gap:12px}
button{border:0;background:none;cursor:pointer}
.text-button{font:700 12px var(--mono);text-transform:uppercase;padding:12px}
.text-button:hover{color:var(--purple)}
.icon-button{width:42px;height:42px;border:2px solid var(--ink);display:grid;place-items:center;background:var(--panel);font-weight:900;box-shadow:3px 3px 0 var(--ink)}
.icon-button:hover:not(:disabled){transform:translate(1px,1px);box-shadow:2px 2px 0 var(--ink)}
.icon-button:disabled{opacity:.42;cursor:not-allowed}
main{padding-top:22px}
.title-row{display:flex;align-items:end;justify-content:space-between;gap:25px;margin-bottom:19px}
.eyebrow{font:700 11px/1.4 var(--mono);letter-spacing:1.1px;margin:0 0 8px;text-transform:uppercase}
h1{font:900 clamp(54px,7vw,96px)/.78 var(--display);letter-spacing:1px;margin:0;text-transform:uppercase}
h1 span{display:inline-block;font:800 clamp(14px,1.8vw,23px)/1 var(--mono);letter-spacing:5px;color:var(--purple);margin-left:14px;vertical-align:middle}
.live-signal{display:flex;align-items:center;gap:10px;font:700 11px var(--mono);letter-spacing:1px;margin-bottom:4px}
.live-signal i{width:9px;height:9px;border-radius:50%;background:var(--green);box-shadow:0 0 0 5px #58d68d2e}
.arcade{display:grid;grid-template-columns:minmax(450px,1fr) 330px;border:2px solid var(--ink);background:#c8d3f7;box-shadow:8px 8px 0 var(--ink)}
.machine{display:flex;flex-direction:column;align-items:center;background:var(--ink);padding:14px 18px 18px}
.scorebar{width:min(100%,680px);display:grid;grid-template-columns:1fr 1fr auto auto;align-items:center;gap:14px;color:white;border-bottom:1px solid #68708a;padding:0 0 13px}
.scorebar>div{display:flex;align-items:baseline;gap:10px}
.scorebar span,.panel-label,.stats span{font:700 10px var(--mono);letter-spacing:1px;color:#9da9ca}
.scorebar strong{font:800 22px var(--mono);color:var(--yellow);letter-spacing:1px}
.scorebar .icon-button{color:white;border-color:#727d9e;background:#272d3c;box-shadow:none}
.board-wrap{position:relative;margin-top:14px;line-height:0;border:5px solid #3c455f;box-shadow:0 0 0 2px #07090d,0 0 38px #7107e74a;background:#090b12}
#board{display:block;width:min(320px,70vh);height:auto;max-height:calc(100vh - 230px);background:#0d1019;touch-action:none}
.overlay{position:absolute;inset:0;display:grid;place-items:center;background:#0a0d16dd;line-height:normal;padding:18px;z-index:2}
.overlay[hidden]{display:none}
.start-card{width:min(100%,270px);background:var(--paper);border:3px solid var(--ink);padding:26px 23px;color:var(--ink);box-shadow:7px 7px 0 var(--purple)}
.start-card .eyebrow{color:#516093}
.start-card h2{font:900 55px/.82 var(--display);letter-spacing:1px;margin:10px 0 15px}
.start-card h2 em{font-style:normal;color:var(--purple)}
.start-card p{font-size:14px;line-height:1.55;margin:0 0 18px}
.primary{display:flex;align-items:center;justify-content:space-between;gap:30px;width:100%;min-height:48px;padding:12px 15px;background:var(--purple);color:white;border:2px solid var(--ink);font-weight:800;box-shadow:4px 4px 0 var(--ink)}
.primary:hover{background:#5d00c8;transform:translate(1px,1px);box-shadow:3px 3px 0 var(--ink)}
.start-card small{display:block;font:700 10px var(--mono);letter-spacing:.8px;text-align:center;margin-top:14px}
.toast{position:absolute;left:50%;top:16px;transform:translate(-50%,-15px);background:var(--yellow);color:var(--ink);padding:9px 13px;border:2px solid var(--ink);font:800 12px var(--mono);line-height:1;opacity:0;transition:.18s;z-index:3;white-space:nowrap}
.toast.show{opacity:1;transform:translate(-50%,0)}
aside{padding:19px;display:flex;flex-direction:column;gap:15px;border-left:2px solid var(--ink)}
.preview-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.preview-panel{background:var(--panel);border:2px solid var(--ink);padding:11px;box-shadow:3px 3px 0 #7280b2}
.panel-label{display:flex;justify-content:space-between;align-items:center;color:#4f5c8d}
.panel-label kbd,.panel-label b{font:800 10px var(--mono);border:1px solid #8b98c7;padding:3px 5px;background:white}
.preview-panel canvas{display:block;width:100%;height:auto;margin-top:5px}
.stats{display:grid;grid-template-columns:repeat(3,1fr);border:2px solid var(--ink);background:var(--ink);gap:2px}
.stats>div{background:var(--panel);padding:11px 9px;min-width:0}
.stats span{display:block;color:#596591;margin-bottom:6px}
.stats strong{font:900 clamp(18px,2vw,24px) var(--mono);color:var(--purple)}
.stats>div:last-child strong{font-size:13px}
.brief{background:var(--panel);border:2px solid var(--ink);padding:20px;flex:1}
.brief .eyebrow{color:var(--purple)}
.brief h3{font:900 29px/.96 var(--display);letter-spacing:.5px;margin:15px 0 12px;text-transform:uppercase}
.brief>p{font-size:14px;line-height:1.55;color:#4f5770;margin:0 0 17px}
.line-values{border-top:1px solid #a3add0;padding-top:9px}
.line-values span{display:grid;grid-template-columns:32px 1fr auto;align-items:center;gap:9px;padding:7px 0;border-bottom:1px solid #c0c8e1;font:700 10px var(--mono)}
.line{height:7px;background:var(--cyan)}.line.two{background:var(--yellow)}.line.three{background:var(--pink)}.line.four{background:var(--purple)}
.controls{display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:15px 26px;padding:22px 10px 18px;font:700 10px var(--mono);letter-spacing:.5px}
kbd{font:800 10px var(--mono);background:white;border:1px solid #7d89b7;box-shadow:1px 1px 0 #7d89b7;padding:4px 6px;margin-right:3px}
.touch-controls{display:none}
footer{display:flex;align-items:center;justify-content:space-between;gap:25px;border-top:2px solid var(--ink);min-height:70px;font:700 10px var(--mono);letter-spacing:.6px}
footer i{color:var(--purple);font-style:normal}footer p{font:13px Arial,sans-serif;color:#56618b}
dialog{width:min(560px,calc(100% - 34px));border:3px solid var(--ink);padding:32px;background:var(--paper);color:var(--ink);box-shadow:10px 10px 0 var(--purple)}
dialog::backdrop{background:#10131dcc}
.dialog-close{position:absolute;top:12px;right:12px;width:36px;height:36px;border:2px solid var(--ink);background:white;font-size:22px}
dialog h2{font:900 48px/.9 var(--display);text-transform:uppercase;margin:12px 0 22px}
dialog dl{margin:0 0 24px}
dialog dt{font:800 13px var(--mono);text-transform:uppercase;margin-top:15px}
dialog dd{font-size:14px;line-height:1.55;color:#4e5877;margin:5px 0 0}
dialog .primary{width:auto;min-width:210px}

@media(max-width:900px){
  .page{width:min(760px,calc(100% - 32px))}
  .title-row{align-items:start}.live-signal{margin-top:10px}
  .arcade{grid-template-columns:1fr}
  aside{border-left:0;border-top:2px solid var(--ink);display:grid;grid-template-columns:220px 1fr}
  .stats{grid-column:1;grid-row:2}
  .brief{grid-column:2;grid-row:1/3}
  #board{max-height:none}
}
@media(max-width:620px){
  .page{width:100%}
  header{height:62px;padding:0 14px}.back-link b,.text-button{display:none}
  main{padding-top:15px}
  .title-row{padding:0 15px;margin-bottom:14px}.live-signal{display:none}
  h1{font-size:55px}h1 span{display:block;margin:9px 0 0;font-size:12px;letter-spacing:3px}
  .arcade{border-inline:0;box-shadow:none}
  .machine{padding:10px 10px 14px}
  .scorebar{gap:7px}.scorebar>div{display:block}.scorebar span{display:block;margin-bottom:4px}.scorebar strong{font-size:17px}
  .scorebar .icon-button{width:36px;height:36px}
  #board{width:min(100%,300px)}
  aside{padding:14px;display:grid;grid-template-columns:145px 1fr;gap:11px}
  .preview-row{grid-template-columns:1fr;grid-row:1/3}
  .preview-panel{padding:8px}.next-panel{display:none}
  .stats{grid-column:2;grid-row:1}
  .brief{grid-column:2;grid-row:2;padding:13px}
  .brief h3{font-size:22px;margin:9px 0}.brief>p,.line-values{display:none}
  .controls{display:none}
  .touch-controls{display:grid;grid-template-columns:repeat(6,1fr);gap:5px;padding:12px;background:#c8d3f7;border-top:2px solid var(--ink)}
  .touch-controls button{min-height:50px;background:var(--panel);border:2px solid var(--ink);font:900 14px var(--mono);box-shadow:2px 2px 0 var(--ink);touch-action:manipulation}
  .touch-controls button:active{transform:translate(2px,2px);box-shadow:none}
  .touch-controls .drop-button{background:var(--purple);color:white}
  footer{padding:18px 15px;min-height:0}footer p,footer span:last-child{display:none}
}
@media(prefers-reduced-motion:reduce){.toast,.primary,.icon-button{transition:none}}