:root {
    --sfr-app-primary: #1e3a8a;
    --sfr-app-primary-light: #3b82f6;
    --sfr-app-success: #10b981;
    --sfr-app-bg: #f8fafc;
    --sfr-app-text: #0f172a;
    --sfr-app-muted: #64748b;
    --sfr-app-border: #e2e8f0;
}

.sfr-install-app-wrap {
    margin: 16px 0;
}

.sfr-install-app-button {
    width: auto;
    min-height: 46px;
    padding: 12px 20px;
    border: 0;
    border-radius: 12px;
    background: var(--sfr-app-primary);
    color: #fff;
    font: inherit;
    font-weight: 700;
    line-height: 1.4;
    cursor: pointer;
    box-shadow: 0 10px 24px rgba(30, 58, 138, 0.18);
    transition: transform .2s ease, box-shadow .2s ease, opacity .2s ease;
}

.sfr-install-app-button:hover {
    transform: translateY(-1px);
    box-shadow: 0 14px 30px rgba(30, 58, 138, 0.24);
}

.sfr-install-app-button:focus-visible {
    outline: 3px solid rgba(59, 130, 246, 0.35);
    outline-offset: 3px;
}

.sfr-install-app-button:disabled {
    opacity: .65;
    cursor: wait;
}

.sfr-install-ios-help {
    margin: 8px 0 0;
    padding: 12px 14px;
    border: 1px solid var(--sfr-app-border);
    border-radius: 12px;
    background: #fff;
    color: var(--sfr-app-muted);
    line-height: 1.7;
}

html.sfr-is-offline::after {
    content: "أنت غير متصل بالإنترنت";
    position: fixed;
    z-index: 999999;
    inset-inline: 12px;
    bottom: max(12px, env(safe-area-inset-bottom));
    width: max-content;
    max-width: calc(100vw - 24px);
    margin-inline: auto;
    padding: 10px 16px;
    border-radius: 999px;
    background: #0f172a;
    color: #fff;
    font: 600 13px/1.4 system-ui, -apple-system, "Segoe UI", Arial, sans-serif;
    box-shadow: 0 12px 30px rgba(15, 23, 42, .25);
}


@media (max-width: 767px) {
    .sfr-install-app-button {
        width: 100%;
    }
}

@media (prefers-reduced-motion: reduce) {
    .sfr-install-app-button {
        transition: none;
    }
}