:root{--bg:#f4f6f8;--panel:#fff;--text:#17202a;--muted:#697386;--line:#e5e9ef;--brand:#176b5b;--brand-soft:#e8f3f0;--red:#b54747;--green:#19725d}*{box-sizing:border-box}body{background:var(--bg);color:var(--text);margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}.app-shell{grid-template-columns:240px 1fr;min-height:100vh;display:grid}.sidebar{color:#ecf5f2;background:#12201f;flex-direction:column;height:100vh;padding:28px 18px;display:flex;position:sticky;top:0}.brand{align-items:center;gap:12px;padding:0 8px 30px;display:flex}.brand-mark{color:#123b34;background:#d6efe8;border-radius:10px;place-items:center;width:38px;height:38px;font-weight:800;display:grid}.brand strong{font-size:14px;display:block}.brand span{color:#9fb6b0;margin-top:3px;font-size:12px;display:block}.sidebar nav{gap:5px;display:grid}.nav-item{color:#a9bbb7;border-radius:9px;align-items:center;gap:11px;padding:11px 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