:root{color-scheme:light;--ink:#172026;--muted:#5b6770;--line:#d8dee4;--panel:#ffffff;--surface:#f5f7f8;--teal:#0f766e;--teal-weak:#d9f3ef;--amber:#b7791f;--amber-weak:#fff4d6;--blue:#2563eb;--red:#b91c1c;--red-weak:#fee2e2;--green:#15803d;--green-weak:#dcfce7}*{box-sizing:border-box}body{margin:0;background:var(--surface);color:var(--ink);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}a{color:inherit;text-decoration:none}button{font:inherit}.app-shell{min-height:100vh;display:grid;grid-template-columns:248px minmax(0,1fr)}.sidebar{background:#111820;color:#eef6f5;padding:20px 14px}.brand{display:flex;align-items:center;gap:10px;height:44px;padding:0 10px;font-weight:700}.sidebar nav{display:grid;grid-gap:4px;gap:4px;margin-top:22px}.nav-item{display:flex;align-items:center;gap:10px;min-height:40px;padding:0 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var(--line);border-radius:8px;overflow:hidden}.outbound-row{display:grid;grid-template-columns:136px 120px 88px minmax(180px,1fr) minmax(160px,1.2fr);align-items:center;grid-gap:12px;gap:12px;min-height:48px;padding:8px 12px;border-top:1px solid var(--line);color:var(--muted);font-size:13px}.outbound-row:first-child{border-top:0}.outbound-row-header{min-height:38px;background:#f8fafc;color:var(--ink);font-size:12px;font-weight:700;text-transform:uppercase}.outbound-row span{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.outbound-row span[role=cell]:nth-child(4){display:inline-flex;align-items:center;gap:6px}.status-badge{display:inline-flex;align-items:center;justify-content:center;min-height:26px;padding:0 10px;border-radius:999px;background:#eef2f4;color:var(--muted);font-weight:700}.status-badge.sent{background:var(--green-weak);color:var(--green)}.status-badge.failed{background:var(--red-weak);color:var(--red)}.status-badge.retry{background:var(--amber-weak);color:var(--amber)}.status-badge.in_flight{background:#dbeafe;color:var(--blue)}@media (max-width:980px){.app-shell{grid-template-columns:1fr}.sidebar{display:none}.metric-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.operations-toolbar{grid-template-columns:1fr 1fr}.inbox-layout,.operations-dashboard,.operations-grid,.profile-section dl{grid-template-columns:1fr}.outbound-row{grid-template-columns:126px 96px 74px minmax(150px,1fr)}.outbound-row span:nth-child(5){display:none}}@media 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