options.css

body {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f4f4f4;
    margin: 0;
    padding: 0;
}

.container {
    max-width: 600px;
    margin: 2rem auto;
    padding: 2rem;
    background-color: #fff;
    border-radius: 5px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

h1 {
    color: #2c3e50;
    margin-bottom: 1.5rem;
}

h2 {
    color: #34495e;
    margin-top: 0;
}

.setting-group {
    margin-bottom: 2rem;
}

.input-group {
    display: flex;
    margin-bottom: 1rem;
}

input[type="text"] {
    flex-grow: 1;
    padding: 0.5rem;
    font-size: 1rem;
    border: 1px solid #ddd;
    border-radius: 3px;
}

button {
    padding: 0.5rem 1rem;
    font-size: 1rem;
    background-color: #3498db;
    color: white;
    border: none;
    border-radius: 3px;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

button:hover {
    background-color: #2980b9;
}

.hint {
    font-size: 0.9rem;
    color: #7f8c8d;
    margin-top: 0.5rem;
}

#message {
    margin-top: 1rem;
    padding: 0.5rem;
    background-color: #2ecc71;
    color: white;
    border-radius: 3px;
    text-align: center;
    display: none;
}