:root{--bg-panel:#0d1117eb;--bg-panel-solid:#0d1117;--bg-inset:#161b22e6;--border:#30363d;--text:#c9d1d9;--text-dim:#8b949e;--accent:#58a6ff;--ok:#3fb950;--warn:#d29922;--crit:#f85149;--font-mono:"SF Mono", "Cascadia Code", "JetBrains Mono", Consolas, monospace;--font-ui:-apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif}*{box-sizing:border-box;margin:0;padding:0}html,body{width:100%;height:100%;font-family:var(--font-ui);color:var(--text);background:#05070a;overflow:hidden}#game-canvas{touch-action:none;outline:none;width:100%;height:100%;position:absolute;inset:0}#ui-root{pointer-events:none;position:absolute;inset:0}#ui-root>*{pointer-events:auto}.num{font-family:var(--font-mono);font-variant-numeric:tabular-nums}#hud{background:var(--bg-panel);border-bottom:1px solid var(--border);z-index:20;align-items:center;gap:18px;height:44px;padding:0 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var(--accent)}.alert-row.warning{box-shadow:inset 2px 0 0 var(--warn)}.alert-row.critical{box-shadow:inset 2px 0 0 var(--crit)}.alert-row.critical .msg{color:#ffb3ad}.alert-row.warning .msg{color:#e8c35c}#power-panel{width:min(1050px,100vw - 40px);height:240px;bottom:10px;left:50%;transform:translate(-50%)}#power-panel .panel-body{overflow:auto}#power-svg{min-width:900px;display:block}.pd-node{fill:var(--bg-inset);stroke:var(--border)}.pd-node.energized{stroke:var(--ok)}.pd-node.dead{stroke:var(--crit)}.pd-label{fill:var(--text);font-size:10px;font-family:var(--font-mono)}.pd-sublabel{fill:var(--text-dim);font-size:9px;font-family:var(--font-mono)}.pd-wire{stroke:#3d444d;stroke-width:1.5px;fill:none}.pd-wire.live{stroke:var(--ok)}.pd-breaker{cursor:pointer}.pd-breaker rect{fill:#1a2029;stroke:var(--border)}.pd-breaker.tripped rect{fill:#4a1512;stroke:var(--crit)}.pd-breaker text{font-size:8.5px;font-family:var(--font-mono);fill:var(--text)}#rack-panel{width:320px;max-height:calc(100vh 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