:root { --accent: #34d399; }
* { box-sizing: border-box; }
body {
  margin: 0; min-height: 100vh; font-family: ui-sans-serif, system-ui, sans-serif;
  background: linear-gradient(160deg, #0b1020, #152038); color: #f5f7ff;
  display: grid; place-items: center; padding: 2rem;
}
.card {
  width: min(560px, 100%); background: rgba(20,26,46,0.95);
  border: 2px solid var(--accent); border-radius: 16px; padding: 2rem; text-align: center;
}
.badge {
  display: inline-block; font-size: 3.25rem; font-weight: 800;
  color: #0b1020; background: var(--accent); padding: 0.35rem 1rem; border-radius: 12px;
}
.files { margin-top: 1rem; font-size: 0.9rem; color: #aab3cc; }