#setup {
    width: 100%;
    height: 100%;

    position: absolute;
    z-index: 101;

    backdrop-filter: blur(12px);                /* der Blur-Effekt – 8–20px sind meist schön */
    -webkit-backdrop-filter: blur(12px);        /* für Safari/iOS */
}

#setupCard {
    width: 60%;
    height: auto;

    position: absolute;
    left: 47%;
    top: 50%;
    transform: translate(-50%, -50%);
}

#setupCard h1, #setupCard h2 {
    width: 100%;
    height: auto;

    margin-bottom: 1.5rem;
    padding: 15px;

    border-radius: 18px;

    background: #222;
    color: #ddd;
    text-align: center;
}

#setupCard input {
    width: 100%;
    height: auto;

    margin-bottom: 5px;
    padding: 15px;

    border: 1px solid #ddd;
    border-radius: 9px;

    background: #222;
    color: #3498db;
}

#setupButtons {
    width: 100%;

    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

#setupButtons button {
    width: 100%;
    padding: 15px;

    border: 1px solid #ddd;
    border-radius: 9px;

    color: #ddd;

    cursor: pointer;
}

#setupButtons button:hover {
    border: 1px solid black;

    color: black;
}