body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
}

body.light {
    background: #ffffff;
    color: #000000;
}

body.dark {
    background: #2f2f2f;
    color: #ffffff;
}

.box {
    max-width: 420px;
    margin: 30px auto;
    padding: 16px;
    border-radius: 8px;
    background: #f2f2f2;
}

body.dark .box {
    background: rgba(255, 255, 255, 0.1);
}

label {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-right: 16px;
}

.actions {
    margin-top: 12px;
}