:root{--bg:#f3f5f8;--bg-elev:#eef1f5;--panel:#ffffff;--panel-2:#f7f9fb;--line:#d8dee8;--line-strong:#b8c2d1;--text:#1b2430;--muted:#5b6777;--faint:#7a8798;--accent:#1f4e79;--accent-hover:#183d5f;--accent-dim:rgba(31,78,121,0.08);--sidebar:#162033;--sidebar-text:#e8eef6;--sidebar-muted:#9aa8bc;--info:#2f6fed;--warn:#b7791f;--danger:#b42318;--ok:#1f7a4d;--font:"IBM Plex Sans","Segoe UI",sans-serif;--mono:"IBM Plex Mono",ui-monospace,monospace;--radius:6px;--shadow:0 1px 2px rgba(22,32,51,0.04)}*{box-sizing:border-box}body,html{margin:0;min-height:100%;background:var(--bg);color:var(--text);font-family:var(--font);font-size:14px;line-height:1.45;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}.shell{display:grid;grid-template-columns:232px 1fr;min-height:100vh}.sidebar{border-right:1px solid #101826;background:var(--sidebar);color:var(--sidebar-text);padding:18px 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