:root{
  --bg:#0e1512; --bg2:#141d18; --panel:#16211c; --line:#2b3b33;
  --ink:#e8f1ea; --dim:#9fb5a8; --accent:#4ee08a; --a:#4ea3ff; --b:#ff9840;
  --warn:#ffd166; --bad:#ff7b6b;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  background:var(--bg); color:var(--ink); font:16px/1.55 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  -webkit-font-smoothing:antialiased;
}
header.top{
  display:flex; flex-wrap:wrap; align-items:baseline; gap:18px;
  padding:16px 20px 10px; border-bottom:1px solid var(--line); background:var(--bg2);
}
header.top h1{margin:0; font-size:26px; letter-spacing:.02em}
nav.tabs{display:flex; gap:6px; margin-left:auto}
.tab{
  background:transparent; color:var(--dim); border:1px solid var(--line); border-radius:999px;
  padding:6px 14px; font:inherit; font-size:14px; cursor:pointer;
}
.tab:hover{color:var(--ink)}
.tab.on{background:var(--accent); color:#06180e; border-color:var(--accent); font-weight:600}
main{max-width:1060px; margin:0 auto; padding:18px 20px 40px}
.panel{display:none}
.panel.on{display:block}

.board{display:flex; flex-wrap:wrap; gap:22px; align-items:flex-start}
.board>div:first-child,#court{flex:0 0 auto}
#court{
  width:min(620px,100%); height:auto; border-radius:14px; border:1px solid var(--line);
  display:block; touch-action:none; background:#16211a;
}
.hud{flex:1 1 280px; min-width:260px}
.score{display:flex; gap:12px; margin-bottom:12px}
.side{
  flex:1; background:var(--panel); border:1px solid var(--line); border-radius:12px;
  padding:10px 12px; display:flex; flex-direction:column;
}
.side.a{border-left:4px solid var(--a)}
.side.b{border-left:4px solid var(--b)}
.who{font-size:12px; color:var(--dim); text-transform:uppercase; letter-spacing:.08em}
.turns{font-size:28px; font-weight:700; font-variant-numeric:tabular-nums; line-height:1.1}
.unit{font-size:12px; color:var(--dim)}
dl.readout{
  display:grid; grid-template-columns:auto auto; gap:2px 14px; margin:0 0 12px;
  background:var(--panel); border:1px solid var(--line); border-radius:12px; padding:10px 12px;
}
dl.readout dt{color:var(--dim); font-size:13px}
dl.readout dd{margin:0; text-align:right; font-variant-numeric:tabular-nums; font-size:14px}
.verdict{
  background:#18251e; border:1px solid var(--line); border-left:4px solid var(--accent);
  border-radius:10px; padding:9px 12px; margin:0 0 12px; font-size:14px;
}
.controls{display:flex; flex-wrap:wrap; gap:8px; align-items:center; margin-bottom:10px}
.controls button,.controls select{
  background:#1d2a23; color:var(--ink); border:1px solid var(--line); border-radius:9px;
  padding:7px 13px; font:inherit; font-size:14px; cursor:pointer;
}
.controls button:hover{border-color:var(--accent)}
.controls label{font-size:13px; color:var(--dim)}
.hint,.record{font-size:13px; color:var(--dim); margin:6px 0}
kbd{
  background:#22302a; border:1px solid var(--line); border-bottom-width:2px; border-radius:5px;
  padding:1px 5px; font:inherit; font-size:12px;
}

article{
  background:var(--panel); border:1px solid var(--line); border-radius:14px;
  padding:16px 20px; margin:0 0 18px;
}
article h2{margin:.1em 0 .4em; font-size:21px}
article h3{margin:1.1em 0 .4em; font-size:17px; color:var(--accent)}
article p{margin:.55em 0}
article.claim h2{font-size:22px; color:var(--warn)}
.ruling{font-size:19px; font-weight:700; color:var(--accent); margin:.2em 0 .6em}
article canvas{
  width:100%; height:auto; max-width:720px; display:block; margin:14px 0 6px;
  border-radius:10px; border:1px solid var(--line); background:#12191d;
}
ul,ol{padding-left:22px}
ul.facts li{margin:.45em 0}
table.fig{border-collapse:collapse; width:100%; max-width:720px; margin:10px 0; font-size:14px}
table.fig caption{text-align:left; color:var(--dim); font-size:13px; padding-bottom:6px}
table.fig th,table.fig td{border-bottom:1px solid var(--line); padding:5px 10px; text-align:left}
table.fig th{color:var(--dim); font-weight:600; font-size:13px}
table.fig td.num{text-align:right; font-variant-numeric:tabular-nums}
#allFigures{max-height:none}
footer{
  border-top:1px solid var(--line); background:var(--bg2); color:var(--dim);
  font-size:13px; padding:16px 20px;
}
footer p{max-width:1020px; margin:0 auto}
@media (max-width:760px){
  header.top{padding:12px 14px 8px}
  main{padding:14px}
  nav.tabs{margin-left:0; width:100%}
  .board{gap:14px}
  article{padding:14px 12px}
  table.fig{display:block; overflow-x:auto; font-size:13px}
  table.fig th,table.fig td{padding:5px 6px}
}