:root{font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;color:#e7edf8;background:#0a1020;font-synthesis:none;--background: #0a1020;--sidebar: #0d1526;--card: #111c30;--card-border: #25334b;--surface: #17243a;--text: #e7edf8;--muted: #8fa0bb;--primary: #1688ff;--primary-hover: #3c9cff;--healthy: #31d07b;--warning: #f7bd21;--danger: #ff6575;--control: #1c2b43}*{box-sizing:border-box}body{margin:0;min-width:320px;min-height:100vh;background:var(--background)}button,input,select{font:inherit}button,a{-webkit-tap-highlight-color:transparent}a{color:inherit}.app-shell{min-height:100vh;display:grid;grid-template-columns:248px minmax(0,1fr)}.sidebar{position:sticky;top:0;height:100vh;display:flex;flex-direction:column;padding:22px 16px;border-right:1px solid var(--card-border);background:var(--sidebar)}.sidebar-brand{display:flex;align-items:center;gap:12px;padding:0 8px 24px}.sidebar-brand div,.operator-card 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