:root{color-scheme:dark;--bg:#090e24;--panel:rgba(21,29,57,.78);--line:rgba(158,185,255,.15);--ink:#edf2ff;--muted:#a9b7d6;--cyan:#66d9ff;--blue:#5da4ff;--violet:#ad94ff;--radius:22px;font:14px/1.5 system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}
*{box-sizing:border-box}body{margin:0;min-height:100svh;color:var(--ink);background:radial-gradient(ellipse at 10% -8%,#243469 0,transparent 45%),radial-gradient(ellipse at 98% 40%,#251d50 0,transparent 40%),var(--bg)}
button,input,textarea,select{font:inherit}button,a,input,select,textarea,summary{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled,fieldset:disabled{cursor:default;opacity:.5}button:disabled{pointer-events:none}a{color:inherit;text-decoration:none}button,input,textarea,select{border:1px solid var(--line);background:rgba(12,19,41,.74);color:var(--ink);border-radius:11px;outline:none;min-height:40px}button{padding:9px 13px;transition:background .18s,transform .18s,border-color .18s}button:hover{background:rgba(92,117,181,.22);border-color:rgba(125,194,255,.4)}button:active{transform:translateY(1px)}:focus-visible{outline:2px solid var(--cyan);outline-offset:3px}input,select,textarea{padding:9px 10px;width:100%;min-width:0}input[type=range]{padding:0;accent-color:var(--cyan);min-height:28px;background:transparent;border:0}input[type=number]{padding-inline:8px}textarea{resize:vertical;min-height:82px}select{cursor:pointer}select option{background:#141d37}label{display:block;color:var(--muted);font-size:12px;font-weight:550;margin:12px 0 6px}label span{display:block;margin-bottom:5px}h1,h2,h3,p{margin:0}h2{font-size:14px;font-weight:650}h3{font-size:12px;font-weight:650;margin-bottom:9px}fieldset{border:0;padding:0;margin:0;min-width:0}.starfield{position:fixed;inset:0;pointer-events:none;z-index:-1;opacity:.65;background-image:radial-gradient(1px 1px at 22px 38px,#80cfff 99%,transparent),radial-gradient(1px 1px at 155px 107px,#ae96ff 99%,transparent),radial-gradient(1.2px 1.2px at 250px 199px,#addefb 99%,transparent);background-size:307px 277px,383px 293px,457px 347px}.topbar{max-width:1600px;margin:auto;display:flex;align-items:center;gap:22px;padding:20px 34px;border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:10px;font-size:22px;font-weight:750;letter-spacing:-1px}.brand img{width:34px;height:34px;object-fit:contain}.brand-dot{color:var(--cyan)}.brand small{display:block;font-size:8px;line-height:1;letter-spacing:2.5px;color:var(--muted)}nav{display:flex;gap:7px;margin:auto}nav a,nav .nav-active{padding:7px 15px;font-size:12px;color:var(--muted);border:1px solid transparent;border-radius:30px}nav .nav-active{color:var(--cyan);background:rgba(99,177,255,.09);border-color:var(--line)}nav a:hover{color:var(--ink)}.language{margin:0;max-width:135px}.language select{min-height:36px;padding:6px 10px;font-size:12px}.workspace{max-width:1600px;margin:auto;padding:32px 34px 18px}.intro{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-bottom:28px}.eyebrow{font-size:9px;font-weight:650;letter-spacing:2.4px;color:var(--cyan)}h1{font-size:clamp(27px,3.2vw,43px);line-height:1.2;font-weight:650;letter-spacing:-1.7px;margin:9px 0 10px}.subtitle{color:var(--muted);font-size:13px}.owner{font-size:12px;letter-spacing:2px;white-space:nowrap}.owner i{color:var(--violet);font-style:normal;margin:0 7px}.owner>span{display:block;font-size:9px;color:var(--muted);text-align:right;margin-top:6px}.studio{display:grid;grid-template-columns:230px minmax(320px,1fr) 252px;gap:18px;align-items:start}.panel{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);box-shadow:0 12px 45px #0002;backdrop-filter:blur(12px)}.builder,.cast{padding:20px}.section-heading{display:flex;align-items:center;gap:8px;margin-bottom:16px}.step-number{font-size:9px;letter-spacing:1px;color:var(--violet);background:#b298ff12;padding:5px;border-radius:7px}.count{margin-left:auto;white-space:nowrap;font-size:10px;color:var(--muted)}.inline{display:flex;gap:7px}.inline select{flex:1;width:0}.inline button{padding:8px;font-size:11px}.dimensions{display:grid;grid-template-columns:1fr 1fr 1fr;gap:6px}.dimensions label{font-size:10px}.divider{height:1px;background:var(--line);margin:20px 0}.tools{display:grid;grid-template-columns:1fr 1fr;gap:7px}.tools button{min-height:58px;font-size:10px;display:grid;place-items:center;gap:3px;padding:8px 5px}.tools button>span:first-child{font-size:18px;line-height:1;color:var(--cyan)}.tools button[aria-pressed=true]{border-color:#82b8ff80;background:linear-gradient(135deg,#5da4ff25,#ad94ff1c);box-shadow:inset 0 0 14px #6999ff0c}.hint{font-size:11px;line-height:1.7;color:var(--muted);margin-top:10px}.file-actions{display:grid;grid-template-columns:1fr 1fr;gap:6px;margin-top:18px}.file-actions button{font-size:10px;padding:8px 5px}.arena{padding:22px}.arena-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:20px}.arena-head h2{font-size:17px;letter-spacing:-.35px;margin-top:4px;overflow-wrap:anywhere}.status-chip{font-size:10px;display:flex;align-items:center;gap:7px;color:var(--cyan);border:1px solid var(--line);border-radius:20px;padding:6px 9px;max-width:48%;flex-shrink:0}.status-chip i,.live-dot{width:5px;height:5px;flex-shrink:0;border-radius:50%;background:var(--cyan);box-shadow:0 0 10px #66d9ff60}.status-chip[data-busy=true] i{animation:breathe 1.5s ease-in-out infinite}.board-wrap{position:relative;margin:0;isolation:isolate}.board{--cols:12;--rows:8;display:grid;grid-template-columns:repeat(var(--cols),1fr);aspect-ratio:var(--cols)/var(--rows);padding:0;background:#080e23;box-shadow:inset 0 0 55px #040917;border:1px solid #50658b44;border-radius:12px;overflow:hidden;touch-action:manipulation}.cell{background:transparent;border:0;border-right:1px solid #abcaff09;border-bottom:1px solid #abcaff09;border-radius:0;min-width:0;min-height:0;padding:0;position:relative;display:grid;place-items:center;font-size:clamp(9px,1.35vw,18px);color:var(--cyan)}.cell:hover{background:#669eff20}.cell:focus-visible{outline-offset:-3px;z-index:1}.cell.wall{background:linear-gradient(135deg,#283a5e,#1c2949);box-shadow:inset 1px 1px #9cc5ff1c,inset -1px -1px #060c2460}.cell.item{color:var(--cyan);text-shadow:0 0 12px #66d9ff70}.cell.goal{color:var(--violet);background:#ad94ff10;text-shadow:0 0 12px #ad94ff70}.pieces{position:absolute;inset:1px;pointer-events:none}.piece{position:absolute;left:0;top:0;width:calc(100% / var(--cols));height:calc(100% / var(--rows));transform:translate(calc(var(--x)*100%),calc(var(--y)*100%));display:grid;place-items:center;transition:transform 260ms cubic-bezier(.22,1,.36,1);will-change:auto}.piece-body{width:70%;height:70%;border-radius:35%;display:grid;place-items:center;background:color-mix(in srgb,var(--player) 20%,#0c132d);border:1px solid var(--player);color:var(--player);font-size:clamp(10px,1.25vw,16px);font-weight:750;box-shadow:0 0 12px color-mix(in srgb,var(--player) 15%,transparent)}.piece.selected .piece-body{outline:1px solid #ecf5ff88;outline-offset:3px}.piece.chaser .piece-body:after{content:'●';position:absolute;right:13%;top:1%;font-size:7px;color:var(--ink)}.piece.done{opacity:.38}.piece.thinking .piece-body{animation:breathe 1.5s ease-in-out infinite}.board-footer{display:flex;justify-content:space-between;gap:12px;padding:12px 0 18px;color:var(--muted);font-size:10px}.legend{display:flex;align-items:center;gap:5px}.legend i{margin-left:5px;font-style:normal}.legend-wall{background:#2b3e68;width:8px;height:8px;border-radius:2px}.legend-item{color:var(--cyan)}.legend-goal{color:var(--violet)}.transport{display:flex;gap:7px;padding-top:15px;border-top:1px solid var(--line)}.transport button{flex:1;font-size:11px;display:flex;align-items:center;justify-content:center;gap:6px;padding:10px 6px}.transport .primary{background:linear-gradient(120deg,#5c80e6,#9270e3);color:white;border-color:#b1c6ff50;box-shadow:0 4px 20px #7166ff20}.primary:hover{filter:brightness(1.1)}.engine-bar{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(0,1fr);gap:18px;margin-top:9px}.engine-bar label{font-size:10px}.engine-bar select{font-size:11px;padding:8px}.pace>div{display:flex;gap:10px;align-items:center;min-height:40px}.pace output{white-space:nowrap;min-width:30px;color:var(--ink)}.activity{margin-top:18px;padding:19px 22px}.activity .section-heading{margin-bottom:0}.text-button{margin-left:auto;padding:2px 5px;background:none;border:0;color:var(--muted);font-size:10px;min-height:28px}.activity .hint{margin-top:5px}.activity ol{list-style:none;padding:0;margin:15px 0 0;max-height:240px;overflow:auto;overscroll-behavior:contain;scrollbar-width:thin}.activity li{display:flex;gap:10px;padding:10px 0;border-bottom:1px solid #b3ceff0a;font-size:11px;overflow-wrap:anywhere}.activity li:last-child{border:0}.activity time{font-variant-numeric:tabular-nums;color:#8293b6;font-size:9px;min-width:49px;padding-top:2px}.activity li[data-kind=error]{color:#f0b7cb}.activity li[data-kind=tag],.activity li[data-kind=goal_reached],.activity li[data-kind=collected]{color:var(--cyan)}.empty-log{text-align:center;padding:25px 0;color:#8192b5;font-size:12px}.player-list{display:flex;flex-direction:column;gap:7px;margin-top:14px}.player-card{padding:10px;display:flex;gap:9px;text-align:left;align-items:center;min-height:63px}.player-card[aria-pressed=true]{border-color:#93baff66;background:#7da6ff0c}.avatar{flex-shrink:0;width:30px;height:32px;border:1px solid color-mix(in srgb,var(--player) 60%,transparent);color:var(--player);background:color-mix(in srgb,var(--player) 10%,transparent);border-radius:10px;display:grid;place-items:center;font-size:12px;font-weight:650}.player-details{min-width:0;flex:1}.player-details strong{display:block;font-size:11px;overflow-wrap:anywhere}.player-details small{display:block;color:var(--muted);font-size:9px;margin-top:3px;overflow-wrap:anywhere}.player-score{color:var(--player);font-size:15px}.cast label{font-size:11px}.cast input,.cast textarea,.cast select{font-size:12px}.model-state{min-height:18px;margin-top:5px}.danger{color:#e7b8d4;font-size:11px;background:#b377ae08;min-height:36px;width:100%;margin-top:12px}.refresh-models{font-size:11px;width:100%;margin-top:12px}.rules-help{margin-top:22px;font-size:11px;color:var(--muted)}summary{cursor:pointer;color:var(--ink);min-height:30px}.rules-help p{line-height:1.8;margin-top:8px}.notice{border:1px solid #b79cfa55;background:#40335c66;padding:12px 16px;border-radius:12px;font-size:12px;margin-bottom:18px;overflow-wrap:anywhere}.page-footer{display:flex;justify-content:space-between;gap:15px;font-size:9px;color:#8d9dbc;padding:24px 4px 5px}.muted{color:var(--violet);margin:0 5px}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.skip{position:fixed;z-index:20;top:-80px;left:20px;padding:12px;background:#243766;border-radius:8px}.skip:focus{top:10px}[hidden]{display:none!important}
@keyframes breathe{50%{opacity:.5}}
@media(min-width:1600px){.studio{grid-template-columns:250px minmax(320px,1fr) 280px}.cell{font-size:20px}}
@media(max-width:1170px){.studio{grid-template-columns:210px minmax(300px,1fr)}.cast{grid-column:1/-1;display:grid;grid-template-columns:1fr 1.1fr;gap:0 28px}.cast>.section-heading,.cast>.hint,.cast>.player-list{grid-column:1}.cast>.section-heading{grid-row:1}.cast>.hint{grid-row:2;align-self:start;margin-top:0}.cast>.player-list{grid-row:3/7;align-self:start}.cast>.divider{display:none}.cast>h3,.cast>#no-selection,.cast>#player-fields{grid-column:2}.cast>h3{grid-row:1}.cast>#player-fields{grid-row:2/7}.cast>.refresh-models{grid-column:1;align-self:start}.cast>.rules-help{grid-column:1/-1}.piece-body{font-size:14px}.cell{font-size:15px}}
@media(max-width:760px){.topbar{padding:16px 18px;gap:10px}.brand{font-size:19px}.brand img{width:29px;height:29px}nav{gap:0;margin-left:auto;margin-right:0}nav a,nav .nav-active{padding:6px 9px;font-size:11px}.language{max-width:98px}.language select{font-size:11px;padding:7px}.workspace{padding:24px 14px 10px}.intro{margin:0 4px 22px}.owner{display:none}h1{letter-spacing:-1px}.subtitle{font-size:12px;max-width:290px}.studio{grid-template-columns:1fr;gap:14px}.arena-column{grid-row:1}.arena{padding:17px 14px}.arena-head{margin-bottom:15px}.arena-head h2{font-size:17px}.board-footer{font-size:10px;padding-bottom:14px}.cell{font-size:13px}.piece-body{font-size:12px}.transport button{min-height:44px;font-size:11px}.engine-bar{gap:12px}.builder{padding:18px;grid-row:2}.builder .tools{grid-template-columns:repeat(3,1fr)}.file-actions{grid-template-columns:repeat(4,1fr)}.cast{grid-row:3;display:block;padding:18px}.cast>.divider{display:block}.cast>.player-list{display:grid;grid-template-columns:1fr 1fr}.cast>.hint{margin-top:10px}.cast label{margin-top:14px}.cast input,.cast textarea{font-size:16px}.activity{margin-top:14px;padding:16px}.activity ol{max-height:165px}.activity li{font-size:11px}.page-footer{flex-wrap:wrap;gap:10px;font-size:9px}.page-footer>span:nth-child(2){order:3;flex-basis:100%}.page-footer>span:last-child{margin-left:auto}.piece{transition-duration:220ms}.panel{backdrop-filter:none;background:rgba(21,29,57,.91)}}
@media(max-width:390px){.brand small{display:none}nav .nav-active{display:none}.engine-bar{grid-template-columns:1fr}.engine-bar .pace{margin-top:0}.legend{gap:3px}.legend i{margin-left:2px}.status-chip{font-size:9px}.cast>.player-list{grid-template-columns:1fr}.transport{gap:5px}.transport button{font-size:10px}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}

.grid-row{display:contents}.topbar,.workspace{position:relative;z-index:1}.starfield{z-index:0}

/* Smooth rendering is independent of model generation speed. */
.pieces[data-fluid=true] .piece{transition:transform var(--motion-ms,200ms) linear}
.flow-stats{font-variant-numeric:tabular-nums;color:var(--cyan)}
.endless-option{display:flex;align-items:center;gap:.7rem;cursor:pointer;color:var(--cyan)}
.endless-option input{width:19px;min-width:19px;height:19px;margin:0;accent-color:#7cbcff}
.model-check{margin-top:1rem;padding-top:1rem;border-top:1px solid var(--line,rgba(155,174,245,.16))}
.model-check>button{width:100%;margin-bottom:.5rem}
.model-check-results{list-style:none;margin:0;padding:0;display:grid;gap:.65rem}
.model-check-results li{display:grid;gap:.35rem;padding:.75rem;border-radius:12px;background:rgba(10,16,41,.45);border:1px solid rgba(150,170,240,.18);overflow-wrap:anywhere;font-size:.8rem}
.model-check-results li[data-status="passed"]{border-color:rgba(102,217,255,.5)}
.model-check-results li[data-status="failed"]{border-color:rgba(173,148,255,.6)}
.model-check-results li span,.model-check-results li small{line-height:1.45;color:var(--muted,#afbbda)}
@media(prefers-reduced-motion:reduce){.pieces[data-fluid=true] .piece{transition:none!important}}