:root{--bg:#0f172a;--panel:#1e293b;--panel2:#334155;--text:#e2e8f0;--muted:#94a3b8;--blue:#3b82f6;--red:#ef4444;--accent:#facc15}
*{box-sizing:border-box}
html,body{overscroll-behavior:none}
body{margin:0;background:var(--bg);color:var(--text);font-family:system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;display:flex;justify-content:center;padding:10px 16px;min-height:100vh;min-height:100dvh}
#wrap{width:100%;max-width:1100px}
#hud{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-bottom:8px;flex-wrap:wrap;font-size:15px}
.score{font-weight:700;font-size:20px}
.blue{color:var(--blue)} .red{color:var(--red)}
#status{color:var(--muted);order:3;width:100%;font-size:13px;min-height:18px}
#status b{color:var(--text)}
#curveBox{display:flex;align-items:center;gap:8px;color:var(--muted)}
#muteB{padding:4px 10px;font-size:16px;background:transparent}
#windBox{display:flex;align-items:center;gap:6px;color:var(--muted)}
#windArrow{display:inline-block;color:#7dd3fc;font-size:18px;line-height:1;transition:transform .3s}
.wind{background:rgba(125,211,252,.1);border-left:3px solid #7dd3fc;padding:8px 10px;border-radius:6px;font-size:14px;color:var(--text);margin:4px 0 10px}
.tagline{font-size:12px;color:var(--muted)}
.wdir{width:40px;padding:7px 0;font-size:17px}
.wdir.on{background:#0ea5e9;color:#fff}
#windKmh{flex:1;min-width:140px;accent-color:#0ea5e9}
#windKmhTxt{min-width:70px;font-weight:600}
.track{position:relative;width:110px;height:8px;border-radius:4px;background:var(--panel2)}
.track::after{content:"";position:absolute;left:50%;top:-3px;width:2px;height:14px;background:var(--muted)}
#dot{position:absolute;top:-4px;width:16px;height:16px;margin-left:-8px;border-radius:50%;background:var(--accent);left:50%}
canvas{display:block;margin:0 auto;border-radius:10px;touch-action:none;cursor:crosshair;background:#1f7a3d;user-select:none;-webkit-user-select:none}
#controls{display:flex;gap:8px;margin-top:8px;flex-wrap:wrap;align-items:center;justify-content:center}
#controls button,#controls input{touch-action:manipulation}
#curveTouch{display:none;align-items:center;gap:10px;flex:1;max-width:520px;color:var(--muted);font-size:20px}
#curveRange{flex:1;accent-color:var(--accent);height:34px}
#fsB{display:none}
#rotateHint{display:none;background:#1e3a8a;color:#dbeafe;border-radius:8px;padding:8px 12px;font-size:13px;margin-bottom:8px;text-align:center}
body.touch #curveL,body.touch #curveR,body.touch .kbd,body.touch #hint,body.touch #curveBox{display:none!important}
body.touch #curveTouch{display:flex}
body.touch #fsB{display:inline-block}
body.touch #controls button{padding:13px 22px;font-size:17px;font-weight:600}
#stage{position:relative;margin:0 auto}
#joy,#tbtns{display:none;position:absolute;touch-action:none;user-select:none;-webkit-user-select:none}
#joy{left:10px;bottom:10px;width:var(--joy,120px);height:var(--joy,120px);border-radius:50%;
  background:rgba(15,23,42,.35);border:2px solid rgba(255,255,255,.4)}
#knob{position:absolute;left:50%;top:50%;width:44%;height:44%;margin:-22% 0 0 -22%;border-radius:50%;
  background:rgba(250,204,21,.9);box-shadow:0 2px 8px rgba(0,0,0,.4);pointer-events:none}
#tbtns{right:10px;bottom:10px;flex-direction:column;gap:10px;align-items:center}
#tbtns button{width:var(--tb,72px);height:var(--tb,72px);border-radius:50%;padding:0;font-size:14px;font-weight:700;
  background:rgba(51,65,85,.85);border:2px solid rgba(255,255,255,.35);touch-action:none}
#tbtns #tDive{background:rgba(180,83,9,.9)}
body.touch.joyon #joy{display:block}
body.touch.canlayout #tbtns,body.touch.canswitch #tbtns{display:flex}
body:not(.canlayout) #tDive,body:not(.canswitch) #tSwitch{display:none}
body.touch #diveB,body.touch #switchD{display:none!important}
body.touch.portrait #rotateHint{display:block}
.net{font-size:13px;color:var(--muted)}
.code{font:800 34px/1.1 ui-monospace,Menlo,Consolas,monospace;letter-spacing:6px;color:var(--accent);text-align:center;margin:10px 0}
.bigbtn{display:block;width:100%;padding:14px;margin:8px 0;font-size:17px;font-weight:700;text-align:left}
.bigbtn small{display:block;font-weight:400;color:var(--muted);font-size:13px;margin-top:2px}
#joinCode{font:700 22px ui-monospace,Menlo,Consolas,monospace;letter-spacing:4px;text-transform:uppercase;width:150px;padding:9px;border-radius:8px;border:1px solid var(--panel2);background:var(--bg);color:var(--text);text-align:center}
.err{color:#fca5a5;font-size:14px;min-height:18px;margin:6px 0}
#oppReady{font-size:13px;color:var(--muted);text-align:center;margin-top:6px;min-height:18px}
button{font:inherit;color:var(--text);background:var(--panel2);border:0;border-radius:8px;padding:9px 14px;cursor:pointer}
button:hover{filter:brightness(1.15)}
#diveB{background:#b45309}
.hint{color:var(--muted);font-size:13px;margin-top:8px;line-height:1.45}
.hint i{font-style:normal;color:var(--text)}
#overlay{position:fixed;inset:0;display:flex;align-items:center;justify-content:center;background:rgba(15,23,42,.8);padding:16px;z-index:10}
#overlay.hidden{display:none}
.card{background:var(--panel);padding:20px 22px;border-radius:14px;max-width:560px;width:100%;max-height:100%;overflow:auto;box-shadow:0 20px 50px rgba(0,0,0,.4)}
.card h1{margin:0 0 6px;font-size:24px}
.card p{margin:6px 0 14px;color:var(--muted);line-height:1.45}
.row{display:flex;align-items:center;gap:8px;margin:10px 0 4px;flex-wrap:wrap}
.row span{width:110px;font-weight:600}
.opt.on{background:var(--blue);color:#fff}
.desc{font-size:13px;color:var(--muted);margin:0 0 8px 118px;min-height:18px;line-height:1.4}
details{margin:12px 0;color:var(--muted);font-size:14px;line-height:1.5}
summary{cursor:pointer;color:var(--text)}
details b{color:var(--text)}
.primary{background:var(--accent);color:#1e293b;font-weight:700;width:100%;padding:12px;margin-top:8px}
#go{position:sticky;bottom:0;box-shadow:0 -8px 16px var(--panel)}
#go:disabled{opacity:.75;cursor:default}
@media (max-width:560px){.row span{width:100%}.desc{margin-left:0}}
@media (max-height:520px){
  body{padding:6px 12px}
  #hud{margin-bottom:4px;font-size:13px} .score{font-size:16px} #status{font-size:12px;min-height:0}
  .card{padding:12px 16px} .card h1{font-size:19px;margin-bottom:2px} .card p{margin:2px 0 8px}
  .row{margin:5px 0 2px} .desc{font-size:12px;margin-bottom:4px;min-height:0} .wind{margin:2px 0 6px;padding:6px 10px}
  button{padding:7px 12px} .bigbtn{padding:10px 14px;margin:6px 0}
}

.teams{display:flex;gap:10px;margin:10px 0}
.teamcol{flex:1;background:var(--bg);border-radius:10px;padding:10px}
.teamcol ul{list-style:none;padding:0;margin:8px 0;min-height:70px;font-size:14px}
.teamcol li{padding:3px 0}
.teamcol li.ai{color:var(--muted);font-style:italic}
.teamcol button{width:100%}
#stratRows.locked{opacity:.55;pointer-events:none}