:root {
  --lime: #c4f82a;
  --bg: #262e33;
  --card: #1a1f1e;
  --text: #ffffff;
  --muted: #9ca3af;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
  background: radial-gradient(120% 90% at 50% 0%, #4d5f50 0%, var(--bg) 60%);
  color: var(--text);
  font: 16px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

.card {
  width: 100%;
  max-width: 420px;
  background: var(--card);
  border: 1px solid #38452f;
  border-radius: 24px;
  padding: 28px 24px;
  text-align: center;
}

.badge {
  margin: 0 0 12px;
  color: var(--lime);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.8px;
  text-transform: uppercase;
}

h1 { margin: 0 0 6px; font-size: 24px; line-height: 1.25; }
.when { margin: 0 0 4px; color: var(--text); font-size: 15px; }
.detail { margin: 0 0 8px; color: var(--muted); font-size: 14px; }

.btn {
  display: block;
  margin-top: 12px;
  padding: 14px 20px;
  border-radius: 12px;
  background: #232827;
  color: var(--text);
  font-weight: 700;
  text-decoration: none;
}

.btn.primary { background: var(--lime); color: #000; }
.btn:first-of-type { margin-top: 24px; }

.foot { margin: 20px 0 0; color: #6b7280; font-size: 12px; }