body {
  background: #0d1117;
  color: #e6edf3;
  font-family: Arial, sans-serif;
  line-height: 1.6;
  margin: 0;
}

.hero {
  text-align: center;
  padding: 50px 20px;
  background: #161b22;
  box-shadow: 0 2px 10px #0006;
}

.card {
  max-width: 900px;
  margin: 20px auto;
  padding: 20px;
  background: #161b22;
  border-radius: 12px;
  box-shadow: 0 2px 12px #0006;
}

h1, h2 {
  color: #58a6ff;
}

pre {
  background: #1f2937;
  padding: 10px;
  border-radius: 8px;
  overflow-x: auto;
  color: #e6edf3;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 12px;
}

table, th, td {
  border: 1px solid #30363d;
}

th {
  background: #21262d;
  padding: 8px;
}

td {
  padding: 8px;
}

footer {
  text-align: center;
  padding: 20px;
  margin-top: 30px;
  color: #8b949e;
}

.navbar {
  margin-top: 15px;
  display: flex;
  gap: 20px;
  justify-content: center;
  padding: 10px 0;
}

.navbar a {
  color: #93c5fd;
  text-decoration: none;
  font-weight: 500;
  transition: 0.2s;
}

.navbar a:hover {
  color: #bfdbfe;
  text-shadow: 0 0 5px #60a5fa;
}