:root{--bg:#f6f7f9;--panel:#fff;--ink:#1a1d24;--ink-soft:#5b6472;--line:#e6e8ee;--accent:#3b82f6;--toward:#10b981;--open:#f59e0b;--away:#ef4444;color:var(--ink);font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,sans-serif}*{box-sizing:border-box}body{background:var(--bg);margin:0}code{font-family:ui-monospace,SF Mono,Menlo,monospace;font-size:.85em}.app{grid-template-columns:280px 1fr;min-height:100vh;display:grid}.sidebar{color:#e7eaf0;background:#11141b;flex-direction:column;gap:22px;height:100vh;padding:26px 18px;display:flex;position:sticky;top:0}.brand-kicker{letter-spacing:.08em;text-transform:uppercase;color:#8b93a7;font-size:11px}.cluster-switch{background:#1b1f29;border-radius:10px;gap:4px;margin:14px 0 6px;padding:4px;display:flex}.cluster-tab{color:#8b93a7;letter-spacing:.02em;cursor:pointer;background:0 0;border:none;border-radius:7px;flex:1;place-items:center;height:34px;font-size:14px;font-weight:700;transition:background .14s,color .14s,box-shadow 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