* {
  box-sizing: border-box;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

body {
  margin: 0;
  background: #0f172a;
  color: #e5e7eb;
}

.container {
  max-width: 720px;
  margin: auto;
  padding: 24px;
}

h1 {
  text-align: center;
  margin-bottom: 4px;
}

.subtitle {
  text-align: center;
  color: #94a3b8;
  margin-bottom: 24px;
}

.card {
  background: #020617;
  border-radius: 12px;
  padding: 20px;
  margin-bottom: 16px;
  box-shadow: 0 0 20px rgba(0,0,0,.4);
}

.card h2 {
  margin-top: 0;
}

.status {
  border-left: 6px solid #22c55e;
}

footer {
  text-align: center;
  font-size: 13px;
  color: #64748b;
  margin-top: 24px;
}