/* ─ Alphabet Filter Bar ─ */
.alphabet-filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 3px;
  margin-bottom: 14px;
}
.alphabet-filter-btn {
  min-width: 26px;
  padding: 4px 7px;
  border-radius: var(--radius-sm);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.03em;
  color: var(--text-primary);
  background: transparent;
  border: none;
  cursor: pointer;
  transition: color 0.12s, background 0.12s;
}
.alphabet-filter-btn:hover { background: var(--bg-hover); }
.alphabet-filter-btn.active { background: var(--accent); color: var(--text-on-accent); }

