/* -------------------------------------------
   General
------------------------------------------- */
body {
    font-family: system-ui, sans-serif;
    background: #f6f8fa;
    color: #222;
    margin: 0;
}

/* Hide helper */
.d-none {
    display: none !important;
}

/* -------------------------------------------
   Example Sentences Modal
------------------------------------------- */
.list-group-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.list-group-item button {
    margin-left: 10px;
}

.known-word {
    background: #c8e6c9;
    padding: 2px 4px;
    border-radius: 4px;
    transition: background 0.3s ease;
}

.known-word:hover {
    background: #a5d6a7;
}

.unknown-word {
    background: #ffebee;
    cursor: pointer;
    padding: 2px 4px;
    border-radius: 4px;
    transition: background 0.2s ease;
}

.unknown-word:hover {
    background: #ffcdd2;
    text-decoration: underline;
}