.periopp-pwa-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,.5);
    display: grid;
    place-items: center;
    z-index: 9999;
    padding: 12px;
}

.periopp-pwa-card {
    position: relative;
    width: min(92vw, 360px);
    border-radius: 14px;
    padding: 18px 18px 28px;
    box-shadow: 0 16px 40px rgba(0,0,0,.35);
    background: #fff;
    color: #111;
    font: 400 15px/1.45 system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
}

.periopp-shot {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 10px;
    margin: 10px 0 12px;
    box-shadow: 0 4px 14px rgba(0,0,0,.10);
}

@media (prefers-color-scheme: dark) {
    .periopp-pwa-card {
        background: #222;
        color: #eee;
        box-shadow: 0 16px 40px rgba(0,0,0,.7);
    }

    .periopp-pwa-close {
        color: #eee;
    }

    .periopp-subtitle {
        opacity: .8; 
    }

    .periopp-shot {
        box-shadow: 0 4px 14px rgba(0,0,0,.45);
    }
}



.periopp-pwa-close {
    position: absolute;
    top: 10px;
    right: 10px;
    background: transparent;
    border: 0;
    font-size: 18px;
    line-height: 1;
    cursor: pointer;
    opacity: .8;
    color: inherit;
}

    .periopp-pwa-close:hover {
        opacity: 1;
    }

.periopp-logo {
    height: 20px;
    margin-bottom: 10px;
}

.periopp-title {
    margin: 0 24px 4px 0;
    font-weight: 800;
    font-size: 18px;
}

.periopp-subtitle {
    margin: 0 0 10px;
    opacity: .9;
}

.periopp-steps {
    margin: 0;
    padding-left: 18px;
    list-style: decimal;
}

    .periopp-steps li {
        margin-bottom: 6px; 
    }