:root {
  --bg: #0d1117;
  --panel: #161b22;
  --accent: #39d353;
  --accent2: #58a6ff;
  --text: #c9d1d9;
  --muted: #8b949e;
  --danger: #f85149;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: 'Segoe UI', Consolas, monospace;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

header {
  background: var(--panel);
  border-bottom: 1px solid #30363d;
  padding: 1rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

header .logo {
  font-size: 1.4rem;
  font-weight: bold;
  color: var(--accent);
}

header .logo span { color: var(--accent2); }

nav a {
  color: var(--text);
  text-decoration: none;
  margin-left: 1.5rem;
  font-size: 0.95rem;
}

nav a:hover { color: var(--accent); }

main {
  max-width: 900px;
  margin: 0 auto;
  padding: 2.5rem 1.5rem;
}

h1 { color: var(--accent2); }
h2 { color: var(--accent); border-bottom: 1px solid #30363d; padding-bottom: 0.4rem; }

.hero {
  text-align: center;
  padding: 3rem 1rem;
}

.hero p { color: var(--muted); font-size: 1.1rem; }

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 1.2rem;
  margin-top: 2rem;
}

.card {
  background: var(--panel);
  border: 1px solid #30363d;
  border-radius: 8px;
  padding: 1.2rem;
  transition: transform 0.15s, border-color 0.15s;
}

.card:hover { transform: translateY(-3px); border-color: var(--accent); }

.card h3 { margin-top: 0; color: var(--accent2); }

.badge {
  display: inline-block;
  padding: 0.15rem 0.6rem;
  border-radius: 12px;
  font-size: 0.75rem;
  font-weight: bold;
}
.badge.critical { background: rgba(248,81,73,0.15); color: var(--danger); }
.badge.high { background: rgba(255,166,87,0.15); color: #ffa657; }
.badge.medium { background: rgba(210,168,255,0.15); color: #d2a8ff; }

table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0;
}
th, td {
  border: 1px solid #30363d;
  padding: 0.6rem 0.8rem;
  text-align: left;
}
th { background: var(--panel); color: var(--accent2); }

code, pre {
  background: #010409;
  color: #79c0ff;
  border-radius: 4px;
  padding: 0.15rem 0.4rem;
  font-family: Consolas, monospace;
}
pre { padding: 1rem; overflow-x: auto; border: 1px solid #30363d; }

footer {
  text-align: center;
  color: var(--muted);
  padding: 2rem 1rem;
  border-top: 1px solid #30363d;
  font-size: 0.85rem;
}

.checklist li { margin-bottom: 0.5rem; }
.checklist input { margin-right: 0.5rem; }