:root{--bg:#f3f4f6;--surface:#fff;--border:#e1e4e8;--text:#1b1f23;--muted:#6a737d;--primary:#5b3df5;--primary-hover:#4a2fd0;--danger:#d1242f;--success:#1a7f37}*{box-sizing:border-box}body{background:var(--bg);color:var(--text);margin:0;font-family:Segoe UI,system-ui,-apple-system,sans-serif;font-size:14px}.auth-gate{text-align:center;background:var(--surface);border:1px solid var(--border);border-radius:12px;max-width:420px;margin:15vh auto;padding:32px}.shell{max-width:920px;margin:0 auto;padding:16px}.topbar{justify-content:space-between;align-items:center;padding:12px 4px;display:flex}.brand{color:var(--primary);font-weight:700}.account{color:var(--muted);font-size:13px}.tabs{border-bottom:1px solid var(--border);gap:4px;margin-bottom:16px;display:flex}.tab{color:var(--muted);cursor:pointer;background:0 0;border:none;border-radius:8px 8px 0 0;padding:10px 14px;font-size:14px}.tab.active{color:var(--primary);border-bottom:2px solid var(--primary);font-weight:600}.card{background:var(--surface);border:1px solid var(--border);border-radius:12px;flex-direction:column;gap:14px;padding:20px;display:flex}.card-head{justify-content:space-between;align-items:center;display:flex}h2{margin:0;font-size:18px}h3{color:var(--muted);margin:8px 0 0;font-size:14px}.switch-row{align-items:flex-start;gap:10px;line-height:1.4;display:flex}.field{flex-direction:column;gap:4px;display:flex}.field label{color:var(--muted);font-size:12px;font-weight:600}.field input{border:1px solid var(--border);font:inherit;border-radius:6px;padding:8px}.btn{appearance:none;border:1px solid var(--border);background:var(--surface);color:var(--text);font:inherit;cursor:pointer;border-radius:6px;padding:8px 14px;font-weight:600}.btn:disabled{opacity:.6;cursor:not-allowed}.btn.primary{background:var(--primary);color:#fff;border-color:var(--primary)}.btn.primary:hover:not(:disabled){background:var(--primary-hover)}.btn.danger{background:var(--danger);color:#fff;border-color:var(--danger)}.error{color:var(--danger)}.success{color:var(--success)}.muted{color:var(--muted)}.approval-row{border:1px solid var(--border);border-radius:8px;justify-content:space-between;gap:12px;padding:12px;display:flex}.approval-reason{margin:4px 0;font-weight:600}.approval-meta{color:var(--muted);font-size:12px}.approval-actions{align-items:flex-start;gap:6px;display:flex}.badge{color:var(--primary);text-transform:uppercase;background:#efeaff;border-radius:999px;padding:1px 8px;font-size:11px;display:inline-block}.metric-grid{grid-template-columns:repeat(4,1fr);gap:8px;display:grid}.metric{border:1px solid var(--border);text-align:center;border-radius:8px;flex-direction:column;gap:2px;padding:12px;display:flex}.metric-value{font-size:22px;font-weight:700}.metric-label{color:var(--muted);text-transform:uppercase;font-size:11px}.ledger-result{border-radius:8px;padding:12px;font-weight:600}.ledger-result.ok{color:var(--success);background:#dafbe1}.ledger-result.bad{color:var(--danger);background:#ffeef0}