:root {
  color-scheme: light;
  --bg: #0f172a;
  --card: #111827;
  --text: #e5e7eb;
  --muted: #94a3b8;
  --accent: #38bdf8;
  --ok: #34d399;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  display: grid;
  place-items: center;
  font-family: 'Segoe UI', system-ui, sans-serif;
  background: radial-gradient(circle at top, #1e293b 0%, var(--bg) 55%), var(--bg);
  color: var(--text);
}

.card {
  width: min(420px, calc(100% - 2rem));
  padding: 2rem 1.75rem;
  border: 1px solid #1f2937;
  border-radius: 1rem;
  background: color-mix(in srgb, var(--card) 92%, transparent);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.35);
  text-align: center;
}

h1 {
  margin: 0 0 0.5rem;
  font-size: 1.5rem;
  letter-spacing: 0.02em;
}

p {
  margin: 0.35rem 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  margin-top: 1.25rem;
  padding: 0.4rem 0.85rem;
  border-radius: 999px;
  background: rgba(52, 211, 153, 0.12);
  color: var(--ok);
  font-size: 0.8rem;
  font-weight: 600;
}

.dot {
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  background: var(--ok);
  box-shadow: 0 0 0 4px rgba(52, 211, 153, 0.15);
}

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.links {
  margin-top: 1.25rem;
  display: flex;
  justify-content: center;
  gap: 1rem;
  font-size: 0.85rem;
}