.pwa-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,.4);
    z-index: 9998;
    display: none;
}

.pwa-sheet {
    position: fixed;
    bottom: -100%;
    left: 0;
    right: 0;
    background: #fff;
    border-radius: 16px 16px 0 0;
    padding: 16px;
    z-index: 9999;
    transition: bottom .3s ease;
    box-shadow: 0 -8px 24px rgba(0,0,0,.15);
}

    .pwa-sheet.show {
        bottom: 0;
    }

.pwa-drag {
    width: 40px;
    height: 4px;
    background: #ddd;
    border-radius: 4px;
    margin: 0 auto 12px;
}

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

.pwa-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
}

.pwa-text {
    flex: 1;
}

.pwa-title {
    font-weight: 600;
    font-size: 16px;
}

.pwa-desc {
    font-size: 13px;
    color: #666;
}

.pwa-install-btn {
    background: #0d6efd;
    color: #fff;
    border: none;
    padding: 10px 14px;
    border-radius: 10px;
    font-weight: 600;
}

.pwa-close {
    margin-top: 12px;
    width: 100%;
    background: none;
    border: none;
    color: #666;
    font-size: 14px;
}