/* CBSE XII Science — four-subject study room accents */
.sr-subject-circle.physics { --sr-accent: #38bdf8; }
.sr-subject-circle.chemistry { --sr-accent: #a78bfa; }
.sr-subject-circle.biology { --sr-accent: #34d399; }
.sr-subject-circle.mathematics { --sr-accent: #fbbf24; }

.sr-subject-circle.physics,
.sr-subject-circle.chemistry,
.sr-subject-circle.biology,
.sr-subject-circle.mathematics {
  border-color: color-mix(in srgb, var(--sr-accent) 45%, transparent);
  box-shadow: 0 0 32px color-mix(in srgb, var(--sr-accent) 18%, transparent);
}

.sr-chapter-pick small {
  display: block;
  margin-top: 4px;
  font-size: 0.72rem;
  color: #64748b;
}