/* Sidebar customization (light mode friendly, blue palette) */
#sidebar {
  background: linear-gradient(180deg, #eaf3ff 0%, #dcecff 100%);
  border-right: 1px solid #bfd8ff;
}

#sidebar .site-title,
#sidebar .site-subtitle,
#sidebar .nav-link,
#sidebar .sidebar-bottom a {
  color: #1e3a8a;
}

#sidebar .nav-link:hover,
#sidebar .nav-item.active .nav-link {
  background-color: rgba(37, 99, 235, 0.14);
  color: #1d4ed8;
  border-radius: 0.6rem;
}

#sidebar #avatar {
  box-shadow: 0 6px 18px rgba(37, 99, 235, 0.22);
  border: 2px solid #93c5fd;
}

#sidebar .sidebar-bottom .icon-border {
  border-color: #93c5fd;
}