:root{--bg:#f4f5f7;--surface:#fff;--surface-2:#f9fafb;--text:#1f2430;--text-muted:#6b7280;--border:#e4e7ec;--accent:#2563eb;--accent-hover:#1d4ed8;--accent-soft:#eff4ff;--danger:#dc2626;--sidebar-bg:#10192b;--sidebar-text:#c7cfdd;--sidebar-text-muted:#7c8aa5;--sidebar-active-bg:#1d2b47;--radius:10px;--sans:system-ui, "Segoe UI", Roboto, Helvetica, Arial, sans-serif}@media (prefers-color-scheme:dark){:root{--bg:#0f1116;--surface:#171a21;--surface-2:#1d2129;--text:#e6e8ee;--text-muted:#9aa3b2;--border:#2a2f3a;--accent:#3b82f6;--accent-hover:#60a5fa;--accent-soft:#17233c;--sidebar-bg:#0b0f18;--sidebar-active-bg:#17233c}}*{box-sizing:border-box}html,body,#root{height:100%}body{font-family:var(--sans);color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased;margin:0;font-size:15px;line-height:1.5}a{color:inherit;text-decoration:none}.app-shell{grid-template-columns:248px 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