:root {
  --bg: #0d1117;
  --card: #161b22;
  --text: #e6edf3;
  --muted: #8b949e;
  --accent: #2ea043;
  --border: #30363d;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  justify-content: center;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.6;
}

main {
  width: 100%;
  max-width: 640px;
  padding: 3rem 1.5rem;
}

h1 { font-size: 2.4rem; margin-bottom: 0.25rem; }

.tagline { color: var(--muted); margin-top: 0; }

h2 { margin-top: 2.5rem; font-size: 1.2rem; }

ul { list-style: none; padding: 0; }

li {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 0.85rem 1rem;
  margin-bottom: 0.6rem;
  display: flex;
  gap: 0.75rem;
  align-items: center;
}

li .emoji { font-size: 1.4rem; }

code {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.1rem 0.4rem;
  font-size: 0.9em;
}

footer {
  margin-top: 2.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.9rem;
}

.build-info {
  font-family: ui-monospace, "SFMono-Regular", Consolas, monospace;
  font-size: 0.8rem;
  color: var(--accent);
}