:root { --accent: #d6336c; }
* { box-sizing: border-box; }
body {
  margin: 0; min-height: 100vh; display: grid; place-items: center;
  font-family: system-ui, -apple-system, sans-serif;
  background: linear-gradient(135deg, #fff0f6, #ffe3ec);
  color: #1a1a2e;
}
.card {
  background: #fff; padding: 2.5rem 3rem; border-radius: 16px;
  box-shadow: 0 12px 40px rgba(214,51,108,0.18); max-width: 440px; text-align: center;
  border-top: 5px solid var(--accent);
}
.logo { width: 72px; height: 72px; }
h1 { margin: 0.5rem 0; color: var(--accent); }
code { background: #ffe3ec; padding: 2px 6px; border-radius: 4px; }
.tag { font-size: 0.9rem; color: #555; margin-top: 1.2rem; }