body {
    background-color: #f0f0f0;
    color: #222;
    font-family: Arial, sans-serif;
    padding: 40px;
}

#main-wrap {
    background: #ffffff;
    border: 1px solid #999;
    padding: 25px;
    width: 420px;
    box-shadow: 4px 4px 0px #ccc;
}

h2 {
    margin-top: 0;
    color: #444;
}

.setting-row {
    background: #f9f9f9;
    padding: 10px;
    border-left: 4px solid #777;
    margin-bottom: 5px;
}

input[type="text"], select {
    margin-top: 5px;
    padding: 5px;
    border: 1px solid #aaa;
}

button {
    background: #444;
    color: white;
    border: none;
    padding: 12px 20px;
    font-size: 15px;
    cursor: pointer;
}

button:hover {
    background: #000;
}

#debug_log {
    margin-top: 25px;
    font-family: monospace;
    font-size: 12px;
    color: #666;
    border-top: 1px solid #eee;
    padding-top: 10px;
}