:root {
  --bg: #0f172a;
  --surface: #1e293b;
  --text: #e2e8f0;
  --text-secondary: #94a3b8;
  --primary: #38bdf8;
  --danger: #ef4444;
  --success: #22c55e;
  --radius: 8px;
}
body { margin: 0; font-family: system-ui, sans-serif; background: var(--bg); color: var(--text); }
.error-container { padding: 2rem; text-align: center; color: var(--danger); }
.loader { padding: 2rem; text-align: center; color: var(--text-secondary); }
.nav-link { color: var(--primary); text-decoration: none; margin-right: 1rem; }
.nav-link.degraded { color: var(--danger); text-decoration: line-through; }