body {
  margin: 0;
  padding: 0;
  background-color: #090d16;
  color: #f1f5f9;
  font-family: system-ui, -apple-system, sans-serif;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
}
.card {
  background: rgba(30, 41, 59, 0.7);
  border: 1px solid rgba(56, 189, 248, 0.3);
  border-radius: 16px;
  padding: 40px;
  max-width: 500px;
  text-align: center;
  box-shadow: 0 10px 25px rgba(0,0,0,0.5);
}
h1 { color: #e11d48; margin-top: 0; font-size: 2.5rem; }
.status { color: #38bdf8; font-weight: 600; font-size: 1.1rem; }
.btn {
  display: inline-block;
  margin-top: 20px;
  padding: 12px 24px;
  background: #e11d48;
  color: #fff;
  text-decoration: none;
  border-radius: 8px;
  font-weight: bold;
}
.btn:hover { background: #f43f5e; }