:root{
  --bg:#0a0f1c;
  --panel:#0f172a;
  --card:#111c36;
  --border:#1e2a4a;
  --text:#e5ecff;
  --muted:#9aa8c7;
  --accent:#4f46e5;
  --ok:#22c55e;
  --warn:#eab308;
  --err:#ef4444;
}

*{box-sizing:border-box}
body{
  margin:0;
  font-family:Inter,system-ui,Segoe UI,Roboto,Arial,sans-serif;
  background:linear-gradient(180deg,#080c16,#0a1020);
  color:var(--text);
}

a{text-decoration:none;color:inherit}

.container{max-width:1200px;margin:0 auto;padding:24px}

.topbar{
  display:flex;
  justify-content:space-between;
  align-items:center;
  padding:14px 18px;
  background:var(--panel);
  border:1px solid var(--border);
  border-radius:16px;
  margin-bottom:20px;
}

.brand{
  font-size:20px;
  font-weight:700;
  letter-spacing:.4px;
}

.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}

.btn{
  padding:10px 14px;
  border-radius:12px;
  background:var(--accent);
  border:0;
  color:#fff;
  font-weight:600;
  cursor:pointer;
}

.btn.secondary{
  background:#1e2a4a;
}

.card{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:18px;
  padding:18px;
  margin-bottom:18px;
}

.cards{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:16px;
}

@media(max-width:1000px){
  .cards{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:600px){
  .cards{grid-template-columns:1fr}
}

.stat{
  font-size:28px;
  font-weight:700;
}

.small{font-size:13px;color:var(--muted)}

.table{
  width:100%;
  border-collapse:collapse;
}

.table th,
.table td{
  padding:12px;
  border-bottom:1px solid var(--border);
  font-size:14px;
}

.table th{
  color:var(--muted);
  text-align:left;
  font-weight:500;
}

.badge{
  padding:4px 10px;
  border-radius:999px;
  font-size:12px;
  border:1px solid var(--border);
}

.badge.sent{border-color:rgba(34,197,94,.5)}
.badge.queued{border-color:rgba(79,70,229,.5)}
.badge.failed{border-color:rgba(239,68,68,.5)}

footer{
  margin-top:40px;
  padding:20px;
  text-align:center;
  color:var(--muted);
  font-size:13px;
}