body {
    font-family: Arial, sans-serif;
    background: #f5f5f5;
}

.container {
    max-width: 420px;
    margin: 40px auto;
    background: #fff;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

h2 {
    text-align: center;
    margin-bottom: 20px;
}

.form-group {
    margin-bottom: 15px;
}

label {
    display: block;
    margin-bottom: 5px;
    font-size: 14px;
}

input, select, button {
    width: 95%;
    padding: 10px;
    font-size: 14px;
    border-radius: 4px;
    border: 1px solid #ccc;
}

.checkbox-group {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    margin-bottom: 15px;
}

.checkbox-group input {
    width: auto;
}

button {
    background: #007bff;
    color: #fff;
    border: none;
    cursor: pointer;
}

button:disabled {
    background: #999;
}