:root{--bg:#f7f8fb;--surface:#fff;--surface-strong:#eef3f0;--text:#17211b;--muted:#66746b;--line:#d9e2dc;--brand:#1f7a4d;--brand-strong:#145c39;--danger:#b42318;--warning:#a15c07;--focus:#2563eb}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}button,input,select,textarea{font:inherit}button{border:0;cursor:pointer}button:disabled{cursor:not-allowed;opacity:.7}.shell{min-height:100vh;display:grid;grid-template-columns:260px minmax(0,1fr)}.sidebar{background:#10251a;color:#f2faf5;padding:24px 18px}.brand{margin-bottom:28px}.brand h1{font-size:22px;line-height:1.1;margin:0 0 6px}.brand span{color:#a9c7b6;font-size:14px}.nav{display:grid;grid-gap:8px;gap:8px}.nav button{width:100%;display:flex;align-items:center;gap:10px;color:#dbece2;background:transparent;border-radius:8px;padding:11px 12px;text-align:left}.nav 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