:root{--bg-0:#15121a;--bg-1:#1d1925;--bg-2:#272130;--bg-3:#332c3e;--bg-lift:#3d3449;--line:#3a3247;--line-soft:#2c2536;--ink:#f4efe9;--ink-dim:#b6a9b8;--ink-faint:#857890;--hue:#f5a524;--hue-deep:#b06d05;--hue-soft:#ffce7a;--accent:var(--hue);--accent-deep:var(--hue-deep);--ok:#3ddc97;--warn:#ffb020;--err:#ff6b5e;--calc:#8b8cf0;--info:#43c8d8;--kind-user:#ffce7a;--kind-calc:#8fe3c4;--kind-corr:#9fb8ff;--kind-ref:#c9a7e8;--kind-approx:#ffa8a0;--stream-liq:#48b7ff;--stream-liquid:#48b7ff;--stream-gas:#c48cff;--stream-steam:#eef3f8;--stream-air:#5fe3d0;--stream-solid:#ffc247;--stream-slurry:#b08a5a;--r:8px;--r-sm:5px;--pad:14px;--font:"IBM Plex Sans","Segoe UI",system-ui,sans-serif;--mono:"IBM Plex Mono",ui-monospace,"SF Mono",Menlo,monospace;--shell-top:56px;--rail:340px;--shadow:0 1px 2px rgba(0,0,0,.4),0 8px 24px -12px rgba(0,0,0,.7);--shadow-lift:0 2px 6px rgba(0,0,0,.45),0 18px 44px -16px rgba(0,0,0,.85);--ease:cubic-bezier(.22,.61,.36,1)}[data-sim=water-treatment]{--hue:#31c7e8;--hue-deep:#0d7e96;--hue-soft:#9fe9f8}[data-sim=industrial-dryer]{--hue:#ff9142;--hue-deep:#b1510f;--hue-soft:#ffc79b}[data-sim=fertilizer]{--hue:#4ddb93;--hue-deep:#12855a;--hue-soft:#a9f0cd}[data-sim=paint]{--hue:#ff6fae;--hue-deep:#ab2f68;--hue-soft:#ffb4d4}[data-sim=gas-processing]{--hue:#a98bff;--hue-deep:#5d3fbb;--hue-soft:#d3c4ff}*{box-sizing:border-box}html,body{height:100%}body{margin:0;color:var(--ink);font-family:var(--font);font-size:14px;line-height:1.45;-webkit-font-smoothing:antialiased;background:radial-gradient(1200px 700px at 12% -8%,color-mix(in srgb,var(--hue) 12%,transparent),transparent 60%),radial-gradient(900px 600px at 96% 4%,rgba(139,140,240,.1),transparent 62%),var(--bg-0);background-attachment:fixed}#app{height:100vh;display:flex;flex-direction:column}a{color:var(--accent);text-decoration:none;transition:color .18s 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.id{font-family:var(--mono);font-size:26px;color:var(--card-hue,var(--hue));letter-spacing:-.04em;opacity:.9}.simcard h3{margin:0 0 2px;font-size:16px;font-weight:600;letter-spacing:-.01em}.simcard small{color:var(--ink-faint);font-size:12.5px}.pill{font-family:var(--mono);font-size:10px;padding:3px 10px;border-radius:99px;border:1px solid color-mix(in srgb,var(--card-hue,var(--hue)) 40%,transparent);color:var(--card-hue,var(--hue));background:color-mix(in srgb,var(--card-hue,var(--hue)) 12%,transparent);letter-spacing:.05em;white-space:nowrap}.simcard[data-state=planned] .pill{color:var(--ink-faint);border-color:var(--line);background:transparent}.level-hide{display:none!important}.fs-node{cursor:pointer;transition:opacity .2s var(--ease)}.fs-node .fs-body{transition:stroke .25s var(--ease),filter .25s var(--ease)}.fs-node:hover .fs-body{filter:drop-shadow(0 0 6px currentColor)}.fs-node.sel .fs-body{stroke:var(--accent);stroke-width:2.5;filter:drop-shadow(0 0 8px var(--accent))}.fs-node.hov .fs-body{stroke:var(--hue-soft)}