.pwa-install-overlay {
    position: fixed;
    inset: 0;
    z-index: 12000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 12px;
    background: rgba(0, 0, 0, 0.62);
    backdrop-filter: blur(2px);
}

.pwa-install-overlay.pwa-open {
    display: flex;
}

.pwa-install-modal {
    width: min(100%, 520px);
    max-height: calc(100vh - 24px);
    overflow-y: auto;
    background: #ffffff;
    border-radius: 18px;
    box-shadow: 0 22px 48px rgba(0, 0, 0, 0.28);
    border: 1px solid rgba(36, 115, 204, 0.12);
    padding: 18px;
    animation: pwaModalIn 220ms ease-out;
}

@keyframes pwaModalIn {
    from {
        opacity: 0;
        transform: translateY(8px) scale(0.98);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.pwa-install-modal[data-dir="rtl"] {
    direction: rtl;
    text-align: right;
}

.pwa-install-modal[data-dir="ltr"] {
    direction: ltr;
    text-align: left;
}

.pwa-install-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 12px;
}

.pwa-install-brand {
    display: flex;
    align-items: center;
    gap: 12px;
}

.pwa-install-logo {
    width: 54px;
    height: 54px;
    border-radius: 14px;
    object-fit: cover;
    box-shadow: 0 8px 18px rgba(0, 0, 0, 0.18);
    border: 1px solid rgba(36, 115, 204, 0.22);
}

.pwa-install-title-wrap h3 {
    margin: 0;
    font-size: 1.2rem;
    color: #1e2d4a;
    line-height: 1.2;
}

.pwa-install-title-wrap p {
    margin: 6px 0 0;
    color: #51617f;
    font-size: 0.92rem;
}

.pwa-close-btn {
    border: none;
    background: transparent;
    color: #7082a3;
    font-size: 1.45rem;
    line-height: 1;
    cursor: pointer;
    padding: 2px 6px;
    border-radius: 8px;
}

.pwa-close-btn:hover {
    background: #eef3fb;
    color: #274472;
}

.pwa-benefits {
    display: grid;
    gap: 8px;
    margin: 14px 0 16px;
    padding: 0;
    list-style: none;
}

.pwa-benefits li {
    background: #f5f8ff;
    border: 1px solid #dce7fb;
    border-radius: 10px;
    padding: 10px 12px;
    color: #1f3d69;
    font-size: 0.93rem;
}

.pwa-install-actions {
    display: flex;
    flex-wrap: nowrap;
    gap: 8px;
    margin-top: 4px;
}

.pwa-install-btn,
.pwa-later-btn {
    border: none;
    border-radius: 10px;
    padding: 11px 12px;
    font-weight: 700;
    cursor: pointer;
    flex: 1;
    font-size: 0.96rem;
}

.pwa-install-btn {
    background: #2473cc;
    color: #fff;
}

.pwa-install-btn:hover {
    background: #1d60aa;
}

.pwa-later-btn {
    background: #eaf0fb;
    color: #35517d;
}

.pwa-later-btn:hover {
    background: #dde8fb;
}

.pwa-install-note {
    margin-top: 11px;
    color: #6a7893;
    font-size: 0.81rem;
}

.pwa-ios-steps {
    margin-top: 8px;
    display: grid;
    gap: 10px;
}

.pwa-step {
    border: 1px solid #dce7fb;
    background: #f8fbff;
    border-radius: 10px;
    padding: 10px 12px;
    font-size: 0.91rem;
    color: #233e68;
}

.pwa-step strong {
    color: #174783;
}

.pwa-warning {
    margin-top: 8px;
    border-radius: 10px;
    background: #fff5e9;
    border: 1px solid #ffd9ac;
    color: #8a4b00;
    padding: 10px 12px;
    font-size: 0.85rem;
}

.pwa-ios-actions {
    display: flex;
    gap: 8px;
    margin-top: 12px;
}

.pwa-secondary-btn {
    border: 1px solid #2473cc;
    background: #fff;
    color: #2473cc;
    border-radius: 10px;
    padding: 10px 12px;
    font-weight: 700;
    cursor: pointer;
    flex: 1;
}

.pwa-secondary-btn:hover {
    background: #f0f6ff;
}

.pwa-success {
    border-radius: 10px;
    background: #ebf9ef;
    border: 1px solid #bde8c8;
    color: #0f5e26;
    padding: 10px 12px;
    margin-top: 12px;
    font-size: 0.9rem;
}

@media (max-width: 520px) {
    .pwa-install-modal {
        border-radius: 14px;
        padding: 15px;
    }

    .pwa-install-title-wrap h3 {
        font-size: 1.08rem;
    }

    .pwa-install-title-wrap p,
    .pwa-step,
    .pwa-benefits li {
        font-size: 0.88rem;
    }
}