:root{color-scheme:dark;--bg:#11162c;--ink:#f5f0fa;--muted:#c6c6dc;--line:#56556e;--mint:#b1efd9}*{box-sizing:border-box}body{margin:0;background:radial-gradient(ellipse at 15% 40%,#39324f,transparent 70%),var(--bg);color:var(--ink);font:16px/1.7 system-ui,-apple-system,"Segoe UI",sans-serif}h1,h2,h3,p{margin:0}h2:focus{outline:none}a{color:inherit;text-underline-offset:5px}button,select{font:inherit;color:var(--ink);border:1px solid #827c97;border-radius:8px;background:#302e47;min-height:44px;padding:8px 10px;font-size:13px}button{cursor:pointer}button:hover:not(:disabled){background:#45425d}button:disabled,select:disabled{opacity:.4;cursor:not-allowed}a,summary{min-height:44px}button,a,summary{touch-action:manipulation}button:focus-visible,a:focus-visible,select:focus-visible,summary:focus-visible,#room:focus-visible{outline:3px solid var(--mint);outline-offset:4px}header{display:flex;align-items:center;justify-content:space-between;gap:15px;padding:15px max(22px,calc((100vw - 1320px)/2));border-bottom:1px solid var(--line)}header>a{display:inline-flex;align-items:center;font-size:13px;text-decoration:none}.brand{gap:10px;font-weight:700}.brand span{font-size:30px;color:var(--mint)}.brand small{font-size:10px;color:var(--muted);letter-spacing:.1em}.shell{width:min(1320px,calc(100% - 40px));margin:auto}.heading{display:flex;justify-content:space-between;gap:20px;align-items:center;padding:24px 0 20px}.eyebrow{font-size:10px;color:#ded0e5;letter-spacing:.1em}h1{font-size:34px;line-height:1.3;margin:8px 0}h1 br{display:none}.subtitle{font-size:14px;color:var(--muted);max-width:650px}.pill{font-size:12px;border:1px solid #827c97;border-radius:24px;padding:5px 12px;white-space:nowrap}.layout{display:grid;grid-template-columns:minmax(0,1fr) 365px;border:1px solid #80748e;border-radius:18px;overflow:hidden;background:#1b2038}.room-panel{padding:22px 0;min-width:0;align-self:start}.room-top{display:flex;align-items:center;justify-content:space-between;gap:10px;margin:0 24px 10px}.room-top h2{font-size:16px}.room-top>span{font-size:13px;color:var(--mint)}#room{display:block;width:100%;height:auto;max-height:650px;touch-action:none;user-select:none}#room [data-object]{cursor:grab}.position{font-size:12px;color:#e6def2;text-align:center;padding:0 18px;min-height:44px}.legend{display:flex;justify-content:center;gap:8px 20px;flex-wrap:wrap;font-size:11px;color:var(--muted);padding:5px 12px}.view-options{display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:10px;margin:8px 15px;font-size:12px}.small{font-size:12px;color:var(--muted);line-height:1.8;margin:8px 0}.model-note{max-width:650px;margin:12px auto 0;padding:0 22px;font-size:11px}.console{background:linear-gradient(145deg,#302b45,#222137);padding:22px;border-left:1px solid var(--line);min-width:0}.console h2{font-size:23px;line-height:1.5;margin:7px 0 14px}.primary{background:var(--mint);border-color:var(--mint);color:#1b3033;font-weight:750;display:flex;justify-content:space-between;gap:10px;align-items:center;width:100%;min-height:48px;font-size:15px}.primary:hover:not(:disabled){background:#d0f9eb}.run-controls{display:flex;gap:8px;flex-wrap:wrap}.run-controls button:not(.primary){flex:1}.feedback{font-size:13px;border-left:3px solid var(--mint);padding:11px 13px;background:#b1efd90a;margin:14px 0}.settings{display:grid;grid-template-columns:auto minmax(0,1fr);gap:8px 10px;align-items:center;font-size:12px}select{min-width:0;max-width:100%}details{border-top:1px solid var(--line);margin-top:15px;padding-top:5px}summary{cursor:pointer;font-size:12px;align-content:center}#decision-log{font-size:11px;max-height:150px;overflow:auto;padding-left:20px;color:#e2d9ec}#decision-log li{padding:5px 0}.editor{border-top:1px solid var(--line);margin-top:16px;padding-top:16px}.editor h3{font-size:17px}.add-row{display:grid;grid-template-columns:auto minmax(0,1fr) auto;gap:7px;align-items:center;margin:10px 0;font-size:12px}.editor>label{font-size:12px;display:block}.editor>#objects{width:100%}.nudge{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin:8px 0}.nudge button{font-size:20px}.edit-actions{display:flex;flex-wrap:wrap;gap:8px;margin:10px 0}.edit-actions button{flex:1;font-size:11px}.editor>#reset{width:100%}.below{display:flex;align-items:center;gap:5px 24px;flex-wrap:wrap;padding:15px 0;color:var(--muted);font-size:12px}.below>a{display:inline-flex;align-items:center}.below details{margin:0 0 0 auto;border:0;max-width:550px}.below details[open]{margin-left:0;flex-basis:100%}footer{max-width:1320px;width:calc(100% - 40px);margin:auto;border-top:1px solid var(--line);padding:22px 0;color:#b9b4cd;font-size:11px}.load-error{border:1px solid #d9b189;padding:15px;border-radius:10px;margin-top:15px;color:#ffe3c3}.skip{position:absolute;top:-100px;left:12px;z-index:4;background:var(--mint);color:#152e30;padding:10px}.skip:focus{top:10px}.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}[hidden]{display:none!important}
@media(max-width:1000px){.layout{grid-template-columns:minmax(0,1fr) 330px}.console{padding:18px}.brand small{display:none}h1{font-size:30px}}
@media(max-width:760px){header{padding:10px 14px}.shell{width:calc(100% - 24px)}.heading{padding:12px 0 10px;gap:10px}h1{font-size:25px}h1 br{display:block}.subtitle{font-size:11px;max-width:260px}.eyebrow{font-size:8px}.pill{font-size:10px;padding:4px 8px}.layout{grid-template-columns:1fr;border-radius:14px}.room-panel{padding:12px 0}.room-top{margin:0 14px 5px}.room-top h2{font-size:14px}.room-top>span{font-size:11px}#room{max-height:320px}.position{font-size:10px;min-height:32px}.legend{font-size:9px;gap:8px}.view-options{margin:3px 12px}.view-options select{font-size:11px;min-height:44px}.model-note{font-size:10px;margin-top:6px;padding:0 14px}.console{border-left:0;border-top:1px solid var(--line);padding:15px}.console>.eyebrow{display:none}.console h2{font-size:21px;margin:0 0 10px}.below{gap:0 16px}.below details{margin-left:0}.room-panel .model-note{display:none}footer{width:calc(100% - 24px)}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}

/* The v13 same-origin frame keeps the original free page unchanged. */
body.mission-frame{background:#1b2038}body.mission-frame header,body.mission-frame .heading,body.mission-frame .below,body.mission-frame footer,body.mission-frame .skip{display:none}body.mission-frame .shell{width:100%;margin:0}body.mission-frame .layout{border:0;border-radius:0;display:block}body.mission-frame .console{display:none}body.mission-frame .room-panel{padding:10px 0}body.mission-frame #room{max-height:390px}body.mission-frame .model-note{display:none}body.mission-frame.mission-free .console{display:block;border-left:0;border-top:1px solid var(--line)}
body.mission-frame:not(.mission-free) .room-top,body.mission-frame:not(.mission-free) .position,body.mission-frame:not(.mission-free) .legend,body.mission-frame:not(.mission-free) .view-options{display:none}
@media(max-width:800px){body.mission-frame:not(.mission-free) #room{max-height:245px}body.mission-frame:not(.mission-free) .room-panel{padding:0}}
@media(max-width:480px){body.mission-frame:not(.mission-free) #room{max-height:190px}}