:root{--bg:#0f1722;--panel:#16212f;--panel2:#1b2a3c;--line:#2c4058;--text:#eef4fb;--soft:#c5d4e6;--muted:#8da5c0;--acc:#5bc0eb;--gold:#ffd24a;--good:#8fdc6a;--bad:#ff8a6b}
*{box-sizing:border-box}
html,body{margin:0;height:100%;background:var(--bg);color:var(--text);font:14px/1.45 Inter,system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;-webkit-text-size-adjust:100%}
#app{display:grid;grid-template-columns:minmax(0,1fr) 380px;height:100vh;height:100dvh;overflow:hidden}
body.embed-mode #app{height:100vh;height:100dvh}
#stage{position:relative;min-width:0;min-height:0;overflow:hidden}
#gl{position:absolute;inset:0;width:100%;height:100%;display:block;touch-action:none;outline:none}
#panel{background:var(--panel);border-left:1px solid var(--line);overflow-y:auto;padding:12px 14px 20px;min-height:0}
h1{font-size:16px;margin:0 0 2px;line-height:1.25}
.sub{color:var(--muted);font-size:12px;margin:0 0 10px}
button{font:inherit;color:inherit;cursor:pointer}
button:focus-visible,input:focus-visible,summary:focus-visible,select:focus-visible,#gl:focus-visible{outline:3px solid var(--gold);outline-offset:2px}
.row{display:flex;flex-wrap:wrap;gap:6px;margin:6px 0}
.btn{background:var(--panel2);border:1px solid var(--line);border-radius:10px;padding:7px 11px;min-height:38px}
.btn:hover{border-color:var(--acc)}
.btn[aria-pressed=true],.btn.on{background:#244a68;border-color:var(--acc)}
.btn.go{background:#2d6a3e;border-color:#58b36f}
.ctl{display:grid;grid-template-columns:1fr auto;align-items:center;gap:2px 8px;margin:7px 0}
.ctl label{color:var(--soft);font-size:12.5px}
.ctl output{font-variant-numeric:tabular-nums;font-weight:700;font-size:13px;color:var(--gold)}
.ctl input[type=range]{grid-column:1/3;width:100%;height:28px;accent-color:var(--acc);margin:0}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:6px}
.stat{background:var(--panel2);border:1px solid var(--line);border-radius:10px;padding:6px 9px}
.stat b{display:block;font-size:17px;font-variant-numeric:tabular-nums}
.stat span{color:var(--muted);font-size:11.5px}
canvas.chart{width:100%;height:150px;background:#0e1824;border:1px solid var(--line);border-radius:10px;display:block;margin:6px 0}
details{background:var(--panel2);border:1px solid var(--line);border-radius:10px;padding:6px 10px;margin:8px 0}
summary{cursor:pointer;font-weight:700;padding:4px 0}
details p,details li{color:var(--soft);font-size:12.8px;margin:5px 0}
code{background:#0e1824;padding:1px 5px;border-radius:5px;font-size:12px}
table.chk{width:100%;border-collapse:collapse;font-size:12px;margin:6px 0}
table.chk td{padding:3px 4px;border-bottom:1px solid var(--line)}
td.ok{color:var(--good);font-weight:700}td.no{color:var(--bad);font-weight:700}
.tip{position:absolute;left:10px;bottom:10px;right:10px;pointer-events:none;color:#fff;text-shadow:0 1px 4px #000;font-size:12.5px}
#hud{position:absolute;left:10px;top:10px;display:flex;gap:6px;flex-wrap:wrap}
#hud .btn{background:rgba(15,23,34,.78);backdrop-filter:blur(6px)}
#load{position:absolute;inset:0;display:grid;place-items:center;background:var(--bg);z-index:5}
#err{display:none;position:absolute;inset:0;place-items:center;background:var(--bg);z-index:6;text-align:center;padding:20px}
@media (max-width:820px){
 #app{grid-template-columns:1fr;grid-template-rows:58% 42%}
 #stage{min-height:0}
 #panel{border-left:0;border-top:1px solid var(--line)}
 .grid2{grid-template-columns:1fr 1fr}
}
.pip{position:absolute;right:10px;top:10px;background:rgba(15,23,34,.82);border:1px solid var(--line);border-radius:10px;padding:4px 6px;pointer-events:none}
.pip canvas{display:block;width:170px;height:80px;border-radius:6px}
.pip span{display:block;color:var(--soft);font-size:11px;text-align:center}
@media (max-width:820px){.pip canvas{width:120px;height:56px}}
@media (max-width:820px){#hud{gap:4px}#hud .btn{padding:3px 8px;min-height:30px;font-size:12px}}