.popup {
    position: fixed;
    top: 50%;
    left: 50%;
    background-color: var(--color-surface-container-low);
    border-radius: var(--border-radius);
    padding: 32px;
    transform: translate(-50%, -50%);
    min-width: 300px;
    z-index: 1000;
}

.popup h1 {
    margin-top: 0;
}

.popup-background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 999;
}

.close-btn {
    position: absolute;
    top: 12px;
    right: 12px;
    padding: 0px;
    width: 24px;
    height: 24px;
    background: none;
    border: none;
    cursor: pointer;
}
.close-btn svg {
    fill: var(--color-on-surface);
}