html { scroll-behavior: smooth; }

.glass-card {
  background: rgba(30, 41, 59, 0.4);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(91, 107, 140, 0.2);
}

.sidebar-link.active {
  color: #b4c5ff;
  font-weight: 600;
  border-left-color: #b4c5ff;
}

.sidebar-link {
  border-left: 2px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease;
}

@media (max-width: 1023px) {
  #sidebar { display: none; }
  #sidebar.open { display: block; }
}