.usage-item {
    display: flex;
    align-items: center;
    gap: 8px;
}
.usage-item::before {
    content: "✓";
    color: green;
    font-weight: bold;
}
.usage-item.disabled::before {
    content: "✗";
    color: red;
}
.error {
    color: red;
    margin: 10px 0;
    display: none;
}