:root{--bg:#f5f7f8;--surface:#fff;--surface-soft:#f8fafb;--text:#17202a;--muted:#657181;--border:#dfe5ea;--teal:#0f766e;--teal-soft:#e7f4f2;--amber:#d97706;--amber-soft:#fff4df;--red:#b42318;--red-soft:#fff1f0;--slate:#334155;--shadow:0 18px 50px #0f172a12}*{box-sizing:border-box}html,body{min-height:100%;margin:0}body{background:var(--bg);color:var(--text);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}button,input,select,a{font:inherit}button{cursor:pointer}.app-shell{grid-template-columns:256px minmax(0,1fr);min-height:100vh;display:grid}.sidebar{color:#f8fafc;background:#111827;flex-direction:column;gap:28px;min-height:100vh;padding:24px 18px;display:flex;position:sticky;top:0}.brand{align-items:center;gap:12px;padding:4px 6px 12px;display:flex}.brand-mark{background:#0f766e;border-radius:8px;place-items:center;width:38px;height:38px;display:grid}.brand strong,.brand span{display:block}.brand 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