body:not(.theme-neon) .subject-list {
  gap: 24px;
}

body:not(.theme-neon) .subject-card {
  background:
    radial-gradient(circle at top right, rgba(126, 240, 255, 0.1), transparent 28%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.96) 0%, rgba(246, 255, 252, 0.94) 100%);
  border-color: rgba(15, 118, 110, 0.14);
  box-shadow: 0 18px 42px rgba(13, 38, 44, 0.08);
}

body:not(.theme-neon) .subject-card h2,
body:not(.theme-neon) .subject-card h3 {
  color: #0e3a36;
}

body:not(.theme-neon) .subject-card p {
  color: #506866;
}

body:not(.theme-neon) .subject-card .btn {
  background: linear-gradient(135deg, #18a391 0%, #0f766e 100%);
  box-shadow: 0 14px 28px rgba(15, 118, 110, 0.24);
}