:root{
  --bg:#0e1621; --panel:rgba(14,22,33,.86); --panel2:rgba(24,36,52,.92); --line:rgba(140,180,220,.18);
  --txt:#e6eef7; --mut:#93a6bb; --acc:#38bdf8; --ok:#34d399; --warn:#fbbf24; --bad:#f87171; --bp:#3b82f6; --hp:#ef4444;
}
*{box-sizing:border-box}
html,body{margin:0;height:100%;overflow:hidden;background:var(--bg);color:var(--txt);font:14px/1.45 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}
#scene{position:fixed;inset:0}
#scene canvas{display:block}
button{font:inherit;color:inherit;cursor:pointer}
.panel{background:var(--panel);border:1px solid var(--line);border-radius:12px;backdrop-filter:blur(6px);box-shadow:0 8px 30px rgba(0,0,0,.35)}
h2,h3{margin:0 0 6px}
h3{font-size:13px;letter-spacing:.06em;text-transform:uppercase;color:var(--acc)}
.mut{color:var(--mut)}
#topbar{position:fixed;top:10px;left:50%;transform:translateX(-50%);display:flex;gap:14px;align-items:center;padding:8px 16px;z-index:5;white-space:nowrap}
#topbar .logo{font-weight:800;letter-spacing:.04em}
#topbar .logo span{color:var(--acc)}
.chip{padding:2px 10px;border-radius:99px;background:rgba(56,189,248,.12);border:1px solid rgba(56,189,248,.3);font-size:12px}
#topbar button{background:none;border:1px solid var(--line);border-radius:8px;padding:3px 10px}
#topbar button:hover{border-color:var(--acc)}
#left{position:fixed;top:64px;left:10px;width:300px;max-height:calc(100% - 340px);overflow:auto;padding:12px 14px;z-index:4}
#right{position:fixed;top:64px;right:10px;width:310px;max-height:calc(100% - 340px);overflow:auto;padding:12px 14px;z-index:4}
#brief p{margin:4px 0}
.steps{margin:6px 0 0;padding-left:18px}
.steps li{margin:2px 0;color:var(--mut)}
.row{display:flex;justify-content:space-between;gap:8px;padding:3px 0;border-bottom:1px dashed rgba(140,180,220,.12);font-size:13px}
.row b{font-variant-numeric:tabular-nums}
.st{font-size:11px;padding:0 6px;border-radius:6px;margin-left:6px}
.st.ok{background:rgba(52,211,153,.18);color:var(--ok)}
.st.hi{background:rgba(248,113,113,.18);color:var(--bad)}
.st.lo{background:rgba(251,191,36,.18);color:var(--warn)}
.empty{color:var(--mut);font-style:italic;font-size:13px}
.btn{background:var(--panel2);border:1px solid var(--line);border-radius:9px;padding:7px 12px}
.btn:hover{border-color:var(--acc)}
.btn.primary{background:linear-gradient(180deg,#0ea5e9,#0369a1);border-color:#38bdf8;font-weight:700}
.btn.primary:hover{filter:brightness(1.1)}
#toolbar{position:fixed;bottom:12px;left:50%;transform:translateX(-50%);display:flex;gap:6px;padding:8px;z-index:5}
.tool{width:86px;padding:8px 4px 6px;border-radius:10px;border:1px solid transparent;background:rgba(255,255,255,.03);text-align:center;position:relative}
.tool .ic{font-size:24px;display:block;line-height:1.1}
.tool .nm{font-size:11px;color:var(--mut)}
.tool .k{position:absolute;top:3px;left:6px;font-size:10px;color:var(--mut)}
.tool:hover{background:rgba(56,189,248,.08)}
.tool.on{border-color:var(--acc);background:rgba(56,189,248,.16)}
.tool.on .nm{color:var(--txt)}
#diagBtn{position:fixed;bottom:22px;right:16px;z-index:5;padding:12px 18px;font-size:15px}
#views{position:fixed;bottom:22px;left:16px;z-index:5;display:flex;gap:6px}
#lcd{position:fixed;left:10px;bottom:84px;width:300px;padding:10px 12px;z-index:4;display:none}
#lcd .screen{background:#a7c4a0;color:#122;border-radius:6px;padding:8px 10px;font-family:"Courier New",monospace;box-shadow:inset 0 2px 6px rgba(0,0,0,.35)}
#lcd .screen .big{font-size:26px;font-weight:700;letter-spacing:.02em}
#lcd .screen .sm{font-size:12px}
#gauges{position:fixed;right:10px;bottom:84px;width:310px;padding:10px 12px;z-index:4;display:none}
#gauges .g{display:flex;gap:8px;justify-content:space-around}
#gauges .g div{text-align:center;font-size:12px}
#tip{position:fixed;pointer-events:none;z-index:9;padding:6px 10px;border-radius:8px;background:rgba(0,0,0,.8);border:1px solid var(--line);font-size:12px;display:none;max-width:260px}
#tip b{color:var(--acc)}
#toasts{position:fixed;top:64px;left:50%;transform:translateX(-50%);z-index:8;display:flex;flex-direction:column;gap:6px;align-items:center;pointer-events:none;width:min(560px,90vw)}
.toast{background:var(--panel2);border:1px solid var(--line);border-left:4px solid var(--acc);padding:8px 12px;border-radius:9px;box-shadow:0 6px 20px rgba(0,0,0,.4);animation:tin .25s ease;font-size:13px;width:100%}
.toast.warn{border-left-color:var(--warn)}
.toast.bad{border-left-color:var(--bad)}
.toast.ok{border-left-color:var(--ok)}
@keyframes tin{from{opacity:0;transform:translateY(-6px)}to{opacity:1}}
#labels{position:fixed;inset:0;pointer-events:none;z-index:3}
.lbl{position:absolute;transform:translate(-50%,-100%);font-size:11px;padding:1px 6px;border-radius:6px;background:rgba(0,0,0,.6);border:1px solid var(--line);white-space:nowrap}
.modal{position:fixed;inset:0;background:rgba(5,10,16,.72);z-index:20;display:none;align-items:center;justify-content:center;padding:16px}
.modal.show{display:flex}
.card{background:#111c2a;border:1px solid var(--line);border-radius:16px;max-width:860px;width:100%;max-height:92vh;overflow:auto;padding:22px 24px;box-shadow:0 20px 60px rgba(0,0,0,.6)}
.card h1{margin:0 0 4px;font-size:26px}
.missions{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:12px;margin:14px 0}
.mcard{background:var(--panel2);border:1px solid var(--line);border-radius:12px;padding:14px;text-align:left}
.mcard:hover{border-color:var(--acc);transform:translateY(-2px)}
.mcard .ttl{font-weight:700;font-size:15px;margin:4px 0}
.mcard .best{font-size:12px;color:var(--ok);margin-top:6px}
.opt{display:block;width:100%;text-align:left;background:var(--panel2);border:1px solid var(--line);border-radius:10px;padding:10px 12px;margin:7px 0}
.opt:hover{border-color:var(--acc)}
.opt.wrong{border-color:var(--bad);background:rgba(248,113,113,.08);cursor:default}
.opt.right{border-color:var(--ok);background:rgba(52,211,153,.1)}
.fb{margin:8px 0;padding:10px 12px;border-radius:10px;font-size:13px}
.fb.bad{background:rgba(248,113,113,.1);border:1px solid rgba(248,113,113,.35)}
.fb.ok{background:rgba(52,211,153,.1);border:1px solid rgba(52,211,153,.35)}
table.ref{border-collapse:collapse;width:100%;font-size:13px;margin:8px 0}
table.ref th,table.ref td{border:1px solid var(--line);padding:5px 7px;text-align:center}
table.ref th{background:rgba(56,189,248,.1)}
table.ref td:first-child{text-align:left}
.score{font-size:40px;font-weight:800;color:var(--acc)}
.stars{font-size:28px;letter-spacing:4px}
.kbd{display:inline-block;border:1px solid var(--line);border-radius:5px;padding:0 5px;font-size:11px;background:rgba(255,255,255,.05)}
#modes{position:fixed;z-index:10;display:none;padding:6px;gap:4px;flex-direction:column}
#modes button{background:var(--panel2);border:1px solid var(--line);border-radius:7px;padding:5px 10px;text-align:left;font-size:13px}
#modes button:hover{border-color:var(--acc)}
@media (max-width:1100px){#left,#right{width:250px}.tool{width:70px}}
@media (max-width:820px){#left,#right{display:none}#topbar{font-size:12px;gap:8px}.tool{width:52px}.tool .nm{display:none}#lcd,#gauges{width:220px}}
#loading{position:fixed;inset:0;display:flex;align-items:center;justify-content:center;z-index:30;background:var(--bg);color:var(--mut);font-size:15px}
.hub{max-width:980px;margin:0 auto;padding:48px 20px;overflow:auto;height:100%}
.hub h1{font-size:34px;margin:0 0 6px}
.hub h1 span{color:var(--acc)}
.games{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px;margin-top:26px}
.game{display:block;text-decoration:none;color:inherit;background:var(--panel2);border:1px solid var(--line);border-radius:14px;padding:18px;transition:transform .15s,border-color .15s}
.game:hover{border-color:var(--acc);transform:translateY(-3px)}
.game .ic{font-size:34px}
.game .ttl{font-size:18px;font-weight:700;margin:8px 0 4px}
.game .tag{display:inline-block;font-size:11px;padding:1px 8px;border-radius:99px;border:1px solid var(--line);color:var(--mut);margin:8px 6px 0 0}
.game.soon{opacity:.5;pointer-events:none}
.say{display:flex;gap:10px;align-items:flex-start;background:rgba(56,189,248,.08);border:1px solid rgba(56,189,248,.25);border-radius:12px;padding:10px 12px;margin:8px 0;font-size:13px}
.say .av{font-size:26px;line-height:1}
.say b{color:var(--acc)}
.online{margin-top:14px;padding-top:10px;border-top:1px solid var(--line);text-align:left}
.idform{display:flex;gap:8px;flex-wrap:wrap;margin:8px 0}
.idform input{flex:1;min-width:140px;font:inherit;font-size:15px;padding:8px 10px;border-radius:9px;border:1px solid var(--line);background:#0b1118;color:var(--txt)}
.idform input:focus{outline:none;border-color:var(--acc)}
.oerr{color:var(--bad);font-size:13px;min-height:1em}
.osmall{font-size:12px}
.obtns{display:flex;gap:8px;justify-content:flex-end;flex-wrap:wrap;margin-top:12px}
.linkbtn{background:none;border:none;padding:0;color:var(--acc);text-decoration:underline;font-size:inherit}
.codebox{display:flex;gap:12px;align-items:center;justify-content:center;margin:10px 0;padding:10px;border:1px dashed var(--acc);border-radius:12px;background:rgba(56,189,248,.06)}
.codebox span{font:700 28px "Courier New",monospace;letter-spacing:.12em;color:var(--txt);user-select:all}
table.board td:first-child{width:48px;text-align:center}
table.board td:nth-child(2){text-align:left}
table.board td:last-child{font-variant-numeric:tabular-nums;font-weight:700}
table.board tr.me td{color:var(--acc);background:rgba(56,189,248,.08)}
.idbar{font-size:13px;color:var(--mut);margin:8px 0}
.idbar b{color:var(--txt)}
.lvl{font-size:12px;margin-top:6px}
.lvl.done{color:var(--ok)}
.lvl.prog{color:var(--warn)}
.lvl.tried,.lvl.none{color:var(--mut)}
.lvst{letter-spacing:2px}