:host { display: block; }
body {
  margin: 0;
  background: linear-gradient(135deg, #0055A4 0%, #FFFFFF 50%, #EF4135 100%);
  background-attachment: fixed;
}
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  padding: 12px 20px;
  background: linear-gradient(135deg, #0055A4 0%, #002d54 100%);
  box-shadow: 0 2px 8px rgba(0,0,0,0.25);
  font-family: 'Segoe UI', Arial, sans-serif;
  box-sizing: border-box;
}
nav a {
  color: #fff;
  text-decoration: none;
  font-weight: 600;
  font-size: 14px;
  padding: 6px 12px;
  border-radius: 6px;
  opacity: 0.8;
}
nav a:hover { background: rgba(255,255,255,0.15); opacity: 1; }
nav a.active { background: rgba(255,255,255,0.25); opacity: 1; }
footer {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 12px 20px;
  background: linear-gradient(135deg, #0055A4 0%, #002d54 100%);
  box-shadow: 0 -2px 8px rgba(0,0,0,0.25);
  font-family: 'Segoe UI', Arial, sans-serif;
  box-sizing: border-box;
  color: #fff;
  font-size: 13px;
}
footer .copy { opacity: 0.85; }