:root {
  --bg: #0f172a;
  --surface: #1e293b;
  --border: #334155;
  --text: #e2e8f0;
  --text-muted: #94a3b8;
  --accent: #4ade80;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  display: grid;
  place-items: center;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  text-align: center;
}

main { padding: 2rem; }

h1 { font-size: clamp(2rem, 6vw, 3.5rem); margin: 0 0 0.5rem; }

.role { font-size: 1.5rem; margin: 0; color: var(--text-muted); }

.status { margin: 0.75rem 0 2rem; color: var(--accent); font-weight: 600; }

nav { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }

.btn {
  padding: 0.75rem 1.5rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  text-decoration: none;
  font-weight: 600;
  transition: background 0.2s, border-color 0.2s;
}

.btn:hover, .btn:focus-visible { background: var(--surface); border-color: var(--accent); }