:root {
    --color-darkgrey: #5f5d5d;
    --color-lightgrey: #ebebeb;
    --color-transgrey: #5f5d5d23;
    --color-red: #ff4550;
    --color-green: #49ce7a;
    --color-brightblue: #0a76ff;
    --color-greyblue: #a5bddc;
    --color-transwhite: rgba(255, 255, 255, 0.97);
    --color-transred: rgba(255, 69, 80, 0.85);
}

.chat-context {
    display: flex;
    justify-content: space-between;
    flex-direction: column;
    padding: 1em;
    box-sizing: border-box;
    font-family: 'Avenir', helvetica, arial, sans-serif;
    font-size: small;
    padding-top: 0em;
}

#chat {
    flex: 1 1 0;
    overflow-y: scroll;
    padding-left: 2.5em;
    padding-right: 2.5em;
    box-sizing: border-box;
}

#chat::-webkit-scrollbar,
#ui-options::-webkit-scrollbar {
    width: 0 !important;
}

.button {
    cursor: pointer;
}

.chat-response {
    max-width: 80%;
    opacity: 0;
    padding: 1em;
    border-radius: 15px 15px 0px 15px;
    background-color: var(--color-green);
    text-align: right;
    margin-right: 0;
    margin-left: auto;
    margin-top: 1em;
    margin-bottom: 1em;
    position: relative;
    color: var(--color-transwhite);
    width: fit-content;
    resize: both;
    min-width: 50px;
    white-space: initial;
    /*suggest a min-width & min-height*/
    min-height: 50px;
}

.chat-response p {
    margin: 0;
    font-size: small;
}

.chat-response.robot {
    background-color: var(--color-lightgrey);
    border-radius: 15px 15px 15px 0px;
    text-align: left;
    margin-right: auto;
    margin-left: 0;
    color: var(--color-darkgrey);
    resize: both;
    min-width: 50px;
    white-space: initial;
    /*suggest a min-width & min-height*/
    min-height: 50px;
}

.chat-response:after {
    content: "";
    width: 2em;
    height: 2em;
    display: flex;
    flex-direction: column;
    justify-content: center;
    text-align: center;
    position: absolute;
    bottom: -1.5em;
    left: -2.5em;
    font-size: 1em;
}

.chat-response.user:after {
    content: "";
    left: auto;
    right: -2.5em;
}

#ui-response {
    height: 30px;
    max-height: 30px;
    position: relative;
    transition: all .5s ease-out;
    -webkit-transition: all .5s ease-out;
    -moz-transition: all .5s ease-out;
}

#ui-response.full-submit #response-text {
    display: none;
}

#ui-response.full-submit #ui-submit {
    width: 100%;
}

#ui-response.hide {
    overflow: hidden;
    animation: hide .5s forwards;
    -webkit-animation: hide .5s forwards;
    -moz-animation: hide .5s forwards;
}

@keyframes hide {
    0% {
        opacity: 1;
    }
    99.9999% {
        opacity: 0;
        max-height: 60px;
    }
    100% {
        max-height: 0em;
    }
}

#ui-submit {
    width: 60px;
    height: 30px;
    background-color: var(--color-green);
    color: var(--color-transwhite);
    position: absolute;
    bottom: 0;
    right: 0;
    display: flex;
    flex-direction: column;
    justify-content: center;
    text-align: center;
    cursor: pointer;
}

#response-text {
    width: 100%;
    height: 100%;
    box-sizing: border-box;
    padding-left: 1em;
    border: 1px solid var(--color-lightgrey);
    transition: all .5s ease-in;
    -webkit-transition: all .5s ease-in;
    -moz-transition: all .5s ease-in;
    color: var(--color-darkgrey);
    font-size: small;
}

#response-text:focus {
    outline: none;
    box-shadow: 0 0 15px var(--color-lightgrey);
}

#response-text.invalid {
    background-color: var(--color-transred);
    color: var(--color-transwhite);
}

#ui-options {
    display: flex;
    justify-content: flex-start;
    padding: 1em;
    overflow-x: scroll;
}

#ui-options:empty {
    padding: 0em;
}

.ui-option {
    border-radius: 3px;
    border: 1px solid var(--color-green);
    padding: 1em;
    margin-right: 1em;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    justify-content: center;
    text-align: center;
    transition: background-color .2s ease-in;
    color: var(--color-darkgrey);
    height: 15px;
}

.ui-option:hover,
.ui-option.selected {
    background-color: var(--color-green);
    color: #FFF;
}

.ui-option:last-child {
    margin: 0;
}

.ui-option p {
    margin: 0;
    font-size: small;
}

.ui-option .subtext {
    color: var(--color-greyblue);
    font-size: .85em;
}

.ui-option:hover .subtext,
.ui-option.selected .subtext {
    color: var(--color-transwhite);
}

.ui-option.filtered-out {
    display: none;
}

#ui-control {
    font-size: small;
}

#ui-control>* {
    opacity: 1;
    transition: opacity 1s ease-in-out, max-height 1s ease-in-out;
    -moz-transition: opacity 1s ease-in-out, max-height 1s ease-in-out;
    -webkit-transition: opacity 1s ease-in-out, max-height 1s ease-in-out;
    font-size: small;
}

#ui-control .hidden {
    opacity: 0;
    -webkit-transition: background 0s;
    -moz-transition: background 0s;
    -ms-transition: background 0s;
    -o-transition: background 0s;
    transition: background 0s;
}

.loader {
    border: 16px solid #f3f3f3;
    border-top: 16px solid var(--color-green);
    border-radius: 50%;
    width: 80px;
    height: 80px;
    margin: auto;
    animation: spin 2s linear infinite;
}

@keyframes spin {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}

@media (max-width: 600px) {
    .chat-context {
        padding: 0em;
    }
    #chat {
        padding: 1.25em;
        padding-bottom: 0em;
    }
    .chat-response.user:after {
        right: -1em;
    }
    .chat-response:after {
        left: -1em;
        bottom: -1em;
    }
}

#chat-context {
    height: 50vh;
}

.back-to-top-chat i {
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    width: 40px;
    height: 40px;
    background: #cc1616;
    color: #fff;
    transition: all 0.4s;
}

.back-to-top-chat span {
    font-size: 13px;
    background: #cc1616;
    color: #fff;
}

.back-to-top-chat {
    position: fixed;
    left: 15px;
    bottom: 15px;
    z-index: 99999;
}

#chat-button {
    width: 100px;
    -webkit-border-radius: 0 60px 60px 0;
    border-radius: 0 60px 60px 0;
    background: rgb(204, 22, 22);
}

.back-to-top-chat i:hover {
    background: #e72323;
    color: #fff;
}

.chat-response.robot:after {
    content: "";
    background: url('https://i.pinimg.com/originals/79/9e/54/799e54d554a65b55e28a73f7e16b1440.png');
    background-size: contain;
    opacity: .5;
}

.chat-response.user:after {
    color: var(--color-green);
    display: inline-block;
    font-style: normal;
    font-variant: normal;
    text-rendering: auto;
    -webkit-font-smoothing: antialiased;
    font-family: "Font Awesome 5 Free";
    font-weight: 900;
    content: "\f007";
}