.mobile-sidebar-toggle {
    display: none;
    position: fixed;
    top: 18px;
    left: 15px;
    z-index: 1050;
    font-size: 20px;
    color: white;
    background-color: rgb(28, 28, 28);
    border: none;
    border-radius: 50%;
    width: 38px;
    height: 38px;
}

@media (max-width: 991.98px) {

    .mobile-sidebar-toggle {
        display: flex;
        align-items: center;
        justify-content: center;
    }
    .logo{
        display: none !important;
    }
     .right-screen > .row.justify-content-between {
        position: relative;
    }
    .extra-item {
        display: none !important;
    }
    .model-selector-dd {
        width: 200px;
        margin-top: 8px;
        left: 50%;
        transform: translateX(-50%);
    }
    .header-model-col {
        position: absolute;
        left: 50%;
        top: 50%;
        transform: translate(-50%, -50%);
    }
    .left-screen {
        position: fixed;
        top: 0;
        left: 0;
        width: 260px;
        max-width: 80vw;
        height: 100vh;
        background-color: rgb(0, 0, 0);
        transform: translateX(-100%);
        transition: transform 0.3s ease;
        z-index: 1040;
    }

    .left-screen.open {
        transform: translateX(0);
    }

    .right-screen {
        flex: 0 0 100%;
        max-width: 100%;
    }

    .sidebar-overlay {
        display: none;
        position: fixed;
        inset: 0;
        background: rgba(0, 0, 0, 0.5);
        z-index: 1030;
    }

    .sidebar-overlay.show {
        display: block;
    }
}
@media (min-width: 992px) {

    .mobile-sidebar-toggle.show-desktop {
        display: flex;
        align-items: center;
        justify-content: center;
    }
}

@media (max-width: 991.98px) {
    .chat-page .left-screen {
        right: 0;
        left: auto;
        transform: translateX(100%);
    }
    .chat-page .left-screen.open {
        transform: translateX(0);
    }
    .chat-page .mobile-sidebar-toggle {
        right: 15px;
        left: auto;
    }
}