body {
        font-family: system-ui, Arial, sans-serif;
        margin: 20px;
        max-width: 700px;
    }

    .row {
        display: flex;
        gap: 8px;
    }

    input {
        flex: 1;
        padding: 8px;
    }

    button {
        padding: 8px 12px;
        cursor: pointer;
    }

    ul {
        padding-left: 18px;
    }

    li {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 12px;
        padding: 6px 0;
    }

    .muted {
        color: #666;
    }

    .qtc-badge {
        display: inline-block;
        padding: 2px 8px;
        border: 1px solid #ccc;
        border-radius: 999px;
        font-size: 12px;
    }

    .badge-online {
        background-color: #d4edda;
        border-color: #c3e6cb;
        color: #155724;
    }

    .badge-offline {
        background-color: #f8d7da;
        border-color: #f5c6cb;
        color: #721c24;
    }