tr.ui-unread td.subject::before {
  content: '';
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  margin-right: 8px;
  vertical-align: middle;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
}

/* Estilos para los diferentes niveles de no leído */
tr.ui-unread-level-0 td.subject:before {
  background-color: var(--unread-level-0-color);
}

tr.ui-unread-level-1 td.subject:before {
  background-color: var(--unread-level-1-color);
}

tr.ui-unread-level-2 td.subject:before {
  background-color: var(--unread-level-2-color);
}

tr.ui-unread-level-3 td.subject:before {
  background-color: var(--unread-level-3-color);
}

tr.ui-unread-level-3 td.subject {
  font-weight: bold;
}


tr.ui-unread-watchers td.subject:before {
  background-color: var(--unread-watchers-color);
}