:root {
  color-scheme: light dark;
  font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #0f172a;
  color: #f8fafc;
}

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  gap: 2rem;
}

.card {
  width: min(480px, 90vw);
  background: rgba(15, 23, 42, 0.85);
  border-radius: 1rem;
  padding: 2rem;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.45);
  border: 1px solid rgba(148, 163, 184, 0.4);
}

h1 {
  margin-top: 0;
  font-size: 1.8rem;
}

.status,
.message {
  display: flex;
  justify-content: space-between;
  margin: 1rem 0;
}

.feature,
.secret {
  margin: 1rem 0 1.5rem;
  padding: 1rem;
  border-radius: 0.75rem;
  background: rgba(15, 23, 42, 0.65);
  border: 1px dashed rgba(148, 163, 184, 0.4);
}

.feature-row,
.secret-row {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
}

.muted {
  margin: 0.35rem 0 0.75rem;
  color: #cbd5e1;
}

pre {
  background: #020617;
  border-radius: 0.5rem;
  padding: 1rem;
  overflow-x: auto;
  border: 1px solid rgba(148, 163, 184, 0.2);
}

button {
  width: 100%;
  padding: 0.85rem 1rem;
  border-radius: 999px;
  border: none;
  background: linear-gradient(90deg, #38bdf8, #6366f1);
  color: #fff;
  font-size: 1rem;
  cursor: pointer;
}

button:hover {
  opacity: 0.9;
}

footer {
  opacity: 0.6;
  font-size: 0.9rem;
}