/* Mobile Responsiveness */
@media (max-width: 768px) {
    .app-container {
        position: relative;
        overflow: hidden;
    }

    .sidebar {
        width: 100%;
        position: absolute;
        top: 0;
        left: 0;
        height: 100%;
        z-index: 10;
        transition: transform 0.3s ease-in-out;
    }

    .chat-area {
        width: 100%;
        position: absolute;
        top: 0;
        left: 0;
        height: 100%;
        z-index: 20;
        transform: translateX(100%);
        transition: transform 0.3s ease-in-out;
    }

    /* State: Mobile Chat Active (Bot Selected) */
    body.mobile-chat-active .sidebar {
        transform: translateX(-20%);
        /* Parallax-like effect or just hide it */
        opacity: 0;
        pointer-events: none;
    }

    body.mobile-chat-active .chat-area {
        transform: translateX(0);
    }

    /* Back Button */
    .mobile-back-btn.hidden {
        display: none;
    }

    .mobile-back-btn {
        display: block !important;
        margin-right: 0.5rem;
    }
}

/* Ensure back button is hidden on desktop */
@media (min-width: 769px) {
    .mobile-back-btn {
        display: none !important;
    }
}