.afplugin-hello-box {
    padding: 20px;
    background: #1e1e1e;
    color: #e0e0e0;
    border-left: 4px solid #00a8ff;
    border-radius: 4px;
}

.afplugin-hello-box h3 {
    margin-top: 0;
}

.afplugin-hello-box .timestamp {
    color: #888;
    font-size: 0.9em;
    margin-bottom: 10px;
}

.afplugin-refresh-btn {
    background: #00a8ff;
    color: #fff;
    border: none;
    padding: 8px 16px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.9em;
    transition: background 0.3s;
}

.afplugin-refresh-btn:hover {
    background: #0088cc;
}

.afplugin-refresh-btn:active {
    background: #006699;
}