:root{--bg-page:#0b1020;--bg-panel:#131a2e;--bg-raised:#1a2240;--bg-inset:#0e1526;--text-1:#e8ecf6;--text-2:#aeb8d0;--text-3:#7c89a8;--border:#2a3358;--border-soft:#1f284a;--amber:#e6b566;--amber-dim:#b88e3d;--teal:#5bd0c8;--coral:#e07a6e;--silver:#b8c5e0;--night-blue:#8fb7d9;--gridline:#e6b5661a;--gridline-soft:#7e89a81f;--shadow:0 1px 0 #e6b56614}*{box-sizing:border-box}html,body{background:var(--bg-page);min-height:100%;color:var(--text-1);-webkit-font-smoothing:antialiased;text-rendering:optimizelegibility;margin:0;font-family:IBM Plex Sans,system-ui,-apple-system,Segoe UI,Roboto,sans-serif}.observatory-body{--font-ui:"IBM Plex Sans", system-ui, sans-serif;--font-num:"IBM Plex Mono", "IBM Plex Sans", monospace;font-family:var(--font-ui);font-feature-settings:"tnum" 1, "ss01" 1;background:radial-gradient(120% 80% at 50% -10%, #1a224099 0%, #0b102000 60%), var(--bg-page);min-height:100vh}.app-shell{max-width:1240px;margin:0 auto;padding:28px 32px 88px}@media 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