/* unchecked items */
.ql-editor ul[data-checked="false"] > li::before {
    content: "⬜";  /* unicode \25A1 */
    font-family: "Helvetica", "Arial", "Segoe UI Emoji", sans-serif; /* pick a nicer font */
    color:#888;
    font-size: 1em;
    margin-right: 0.5em;
}

/* checked items */
.ql-editor ul[data-checked="true"] > li::before {
    content: "✅";   /* bold check */
    font-family: "Helvetica", "Arial", "Segoe UI Emoji", sans-serif; /* pick a nicer font */
    color: green;
    font-size: 1em;
    margin-right: 0.5em;
}

.ql-container .ql-editor ul[data-checked="true"] > li {
  text-decoration: line-through;   /* strike through text */
  color: var(--text-light);
}