body {
    margin: 0;
    font-family: Arial, sans-serif;
}

#chat-container {
    display: flex;
    flex-direction: column;
    height: 100vh;
}

#chat-messages {
    flex-grow: 1;
    overflow-y: auto;
    padding: 10px;
    background: #f9f9f9;
}

#div-message-input {
    position: relative;
    display: flex;
    padding: 10px;
    background: #ddd;
}

    #div-message-input input {
        flex-grow: 1;
        padding: 10px;
        margin-right: 10px;
        border: 1px solid #ccc;
        border-radius: 15px;
    }

#btnEnviar {
    border: none;
    background-color: dimgray;
    color: white;
    cursor: pointer;
    border-radius: 50%;
    width: 45px;
    height: 45px;
    margin: 1px;
    margin-top: auto;
}

    #btnEnviar:hover {
        background-color: #333;
    }

.loader {
    border: 4px solid #f3f3f3;
    border-top: 4px solid dimgray;
    border-radius: 50%;
    width: 33px;
    height: 33px;
    animation: spin 2s linear infinite;
    position: absolute;
    right: 113px;
    top: 50%;
    transform: translateY(-50%);
    z-index: 10;
    visibility: hidden;
}

@keyframes spin {
    0% {
        transform: translateY(-50%) rotate(0deg);
    }

    100% {
        transform: translateY(-50%) rotate(360deg);
    }
}

.msgUser {
    font-weight: 700;
}

@media (max-width: 320px) {
    .btnsCustom {
        border: none;
        background-color: dimgray;
        color: white;
        cursor: pointer;
        border-radius: 50%;
        width: 45px;
        height: 25px;
        margin: 1px;
        margin-top: auto;
        margin-bottom: 10px;
    }
}

@media (max-width: 1250px) {
    #btnEscuchar {
        display:none;
    }
}