:root {
  color-scheme: dark;
  font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background-color: #0b0d12;
  color: #f4f6fb;
}

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: radial-gradient(circle at top, #1c1f2b, #0b0d12 60%);
}

.hero {
  padding: 2rem;
}

.card {
  background: rgba(17, 19, 29, 0.85);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 18px;
  max-width: 520px;
  padding: 2rem;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
}

.badge {
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.75rem;
  color: #8cf5ff;
}

h1 {
  margin-top: 0.5rem;
  font-size: 2rem;
}

p {
  line-height: 1.6;
  color: #c9d5f0;
}

.actions {
  display: flex;
  gap: 1rem;
  margin: 1.5rem 0;
}

.button,
button {
  appearance: none;
  border: none;
  background: linear-gradient(135deg, #00c2ff, #0074f9);
  color: white;
  padding: 0.8rem 1.2rem;
  border-radius: 999px;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.button:hover,
button:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 30px rgba(0, 114, 249, 0.4);
}

pre {
  background: #05060e;
  border-radius: 12px;
  padding: 1rem;
  font-size: 0.9rem;
  overflow-x: auto;
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.not-found {
  background: #0b0d12;
  display: flex;
  align-items: center;
  justify-content: center;
}
