.app-engage {
    position: fixed;
    top: 50%;
    right: 0;
    z-index: 1050;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 0.5rem;
    transform: translateY(-50%);
}

.app-engage .app-engage-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-width: 72px;
    min-height: 64px;
    padding: 0.75rem;
    color: var(--kt-gray-700);
    font-size: 0.75rem;
    font-weight: 600;
    line-height: 1.2;
    text-align: center;
    background-color: var(--kt-body-bg);
    border: 1px solid var(--kt-border-color);
    border-right: 0;
    border-radius: 0.65rem 0 0 0.65rem;
    box-shadow: var(--kt-box-shadow);
    transition: color 0.2s ease, background-color 0.2s ease, transform 0.2s ease;
}

.app-engage .app-engage-btn:hover {
    color: var(--kt-primary);
    text-decoration: none;
    transform: translateX(-2px);
}

.app-engage .app-engage-btn-toggle-on,
.app-engage.app-engage-hide .app-engage-btn:not(.app-engage-btn-toggle-on),
.app-engage:not(.app-engage-hide) .app-engage-btn-toggle-off {
    display: none;
}

.app-engage.app-engage-hide .app-engage-btn-toggle-on,
.app-engage:not(.app-engage-hide) .app-engage-btn-toggle-off {
    display: flex;
}

.app-prebuilts-scroll {
    max-height: calc(100vh - 260px);
    overflow-y: auto;
}

.app-prebuilts-thumbnail {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 180px;
    border: 1px solid var(--kt-body-bg);
    background: linear-gradient(135deg, var(--kt-primary-light), var(--kt-light));
    filter: drop-shadow(0 0 50px rgba(49, 52, 122, 0.12));
}

.app-prebuilts-preview-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 74px;
    height: 74px;
    color: var(--kt-primary);
    font-size: 2.25rem;
    background-color: var(--kt-body-bg);
    border-radius: 1rem;
    box-shadow: var(--kt-box-shadow-sm);
}

.preview-thumbnail:hover .app-prebuilts-preview-icon {
    color: var(--kt-body-bg);
    background-color: var(--kt-primary);
}

@media (max-width: 991.98px) {
    .app-engage {
        display: none;
    }

    .app-prebuilts-scroll {
        max-height: calc(100vh - 220px);
    }
}