.os-selection {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}
.os-option {
    cursor: pointer;
}
.os-option input {
    display: none;
}
.os-box {
    display: flex;
    align-items: center;
    padding: 10px;
    background: #2a3b47;
    border-radius: 5px;
    color: white;
    transition: background 0.3s;
}
.os-box img {
    width: 24px;
    height: 24px;
    margin-right: 10px;
}
.os-option input:checked + .os-box {
    background: #4a5b67;
    border: 2px solid #007bff;
}