:root{--bg:#f6f7f9;--surface:#ffffff;--surface-2:#eef2f5;--text:#172026;--muted:#5f6c76;--line:#d8dee5;--line-strong:#b8c1ca;--blue:#1d5fd0;--blue-dark:#174ba4;--green:#137a4c;--amber:#9a6200;--red:#b3261e;--purple:#6b4bbc;--shadow:0 8px 22px rgba(21,35,50,0.08)}*{box-sizing:border-box}body,html{margin:0;min-height:100%;background:var(--bg);color:var(--text);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-size:14px}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}.app-shell{min-height:100vh;display:grid;grid-template-columns:248px minmax(0,1fr)}.sidebar{background:#18222d;color:#f8fafc;padding:18px 14px;display:flex;flex-direction:column;gap:20px}.brand{display:grid;grid-gap:3px;gap:3px;padding:0 8px 10px;border-bottom:1px solid rgba(255,255,255,.16)}.brand strong{font-size:16px}.brand 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