html, body {
    margin: 0;
    padding: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    font-family: Arial, sans-serif;
}

iframe {
    width: 100%;
    height: 100%;
    border: none;
}

/* Stylings Pop-up Modal Instalasi PWA */
.pwa-modal-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    z-index: 9999;
    justify-content: center;
    align-items: center;
}

.pwa-modal {
    background: #ffffff;
    padding: 24px;
    border-radius: 16px;
    width: 85%;
    max-width: 320px;
    text-align: center;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.25);
    animation: fadeIn 0.3s ease-out;
}

@keyframes fadeIn {
    from { opacity: 0; transform: scale(0.9); }
    to { opacity: 1; transform: scale(1); }
}

.pwa-icon {
    width: 72px;
    height: 72px;
    margin-bottom: 12px;
    border-radius: 16px;
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}

.pwa-modal h3 {
    margin: 0 0 8px 0;
    font-size: 18px;
    color: #222222;
}

.pwa-modal p {
    margin: 0 0 20px 0;
    font-size: 13px;
    color: #666666;
    line-height: 1.4;
}

.pwa-actions {
    display: flex;
    gap: 10px;
}

.pwa-actions button {
    flex: 1;
    padding: 10px 0;
    border: none;
    border-radius: 8px;
    font-size: 14px;
    font-weight: bold;
    cursor: pointer;
}

.btn-primary {
    background-color: #8b0000;
    color: #ffffff;
}

.btn-secondary {
    background-color: #f0f0f0;
    color: #555555;
}