* {
    padding: 0;
    margin: 0;
    box-sizing: border-box;
}

:root,
html {
    font-size: 16px;
    color: #fff;
}

img {
    display: block;
    width: 100%;
}

.top {
    position: fixed;
    top: 0;
    left: 0;
    z-index: 3;
    width: 100%;
    padding: 30px 40px;
    backdrop-filter: blur(10px);
}

.top .logo {
    display: block;
    width: 200px;
}

.wf-ai-customer-container {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    height: 100vh;
}

.wf-ai-customer-container .question-box {
    position: relative;
    z-index: 2;
}

.wf-ai-customer-container .question-box .ai-logo-box {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 45px;
}

.wf-ai-customer-container .question-box .ai-logo-box .ai-logo {
    position: relative;
    z-index: 2;
    width: 88px;
    animation: breatheAn 1s infinite alternate;
    border-radius: 50%;
    overflow: hidden;
}

@property --val1 {
    syntax: '<percentage>';
    inherits: false;
    initial-value: 0%;
}

@property --val2 {
    syntax: '<percentage>';
    inherits: false;
    initial-value: 20%;
}

.wf-ai-customer-container .question-box .ai-logo-box .ai-bg {
    --val1: 0;
    --val2: 20%;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);

    mask-image: radial-gradient(circle at center, rgba(0, 0, 0, 0) var(--val1), rgba(0, 0, 0, 1), rgba(0, 0, 0, 0) var(--val2));
    -webkit-mask-image: radial-gradient(circle at center, rgba(0, 0, 0, 0) var(--val1), rgba(0, 0, 0, 1), rgba(0, 0, 0, 0) var(--val2));

    mask-repeat: no-repeat;
    mask-position: center;
    mask-size: contain;

    animation: val_1An 2s infinite;
}

@keyframes val_1An {
    30% {
        opacity: 1;
    }

    100% {
        --val1: 50%;
        --val2: 80%;
        opacity: 0;
    }
}

.wf-ai-customer-container .question-box .ai-logo-box .ai-bg img {
    width: 300px;
}

.wf-ai-customer-container .question-box .ai-desc {
    margin-bottom: 50px;
    font-size: 14px;
    text-align: center;
    line-height: 1.5;
}

.wf-ai-customer-container .question-box .input-box {
    position: relative;
    height: 140px;
    border-radius: 30px;
    border: 1px solid rgba(255, 255, 255, .3);
    background-color: rgba(255, 255, 255, .05);
    backdrop-filter: blur(20px);
    overflow: hidden;
}

.wf-ai-customer-container .question-box .input-box textarea {
    width: 100%;
    height: 100%;
    padding: 16px 20px;
    background: transparent;
    resize: none;
    outline: none;
    color: #fff;
    font-family: unset;
    font-size: 16px;
    border: none;
}

.wf-ai-customer-container .question-box .input-box textarea::-webkit-scrollbar {
    width: 1px;
    background-color: rgba(255, 255, 255, .5);
}

.wf-ai-customer-container .question-box .input-box textarea::-webkit-scrollbar-thumb {
    width: 1px;
    height: 10px;
    background-color: rgba(255, 255, 255, .8);
}


.wf-ai-customer-container .question-box .input-box .limit-characters {
    position: absolute;
    bottom: 14px;
    left: 16px;
    font-size: 14px;
    color: rgba(255, 255, 255, .5);
}

.wf-ai-customer-container .question-box .input-box .limit-characters .characters-count {
    color: #fff;
}

.wf-ai-customer-container .question-box .input-box .sub-btn {
    position: absolute;
    right: 16px;
    bottom: 10px;
    display: flex;
    justify-content: center;
    align-items: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 1px solid rgba(255, 255, 255, .5);
    cursor: pointer;
    overflow: hidden;
    transition: all .5s;
}

.wf-ai-customer-container .question-box .input-box .sub-btn::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    z-index: -1;
    width: 200%;
    height: 200%;
    background-image: linear-gradient(157deg, #5DC6CA, #375EE3, #7F63F5, #5DC6CA, #375EE3, #7F63F5, #7F63F5);
    animation: lineGradientAn 5s linear infinite;
}

.wf-ai-customer-container .question-box .input-box .sub-btn:hover {
    transform: scale(1.1);
}

.wf-ai-customer-container .question-box .pre-set-question-list {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
    margin-top: 30px;
}

.wf-ai-customer-container .question-box .pre-set-question-list .per-question {
    position: relative;
    display: flex;
    gap: 10px;
    align-items: center;
    padding: 10px 15px;
    border: 1px solid rgba(255, 255, 255, .3);
    border-radius: 1000000px;
    overflow: hidden;
    cursor: pointer;
}

.wf-ai-customer-container .question-box .pre-set-question-list .per-question::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    z-index: -1;
    width: 100%;
    height: 100%;
    background-image: linear-gradient(157deg, #5DC6CA, #375EE3, #7F63F5);
    opacity: 0;
    transition: all .5s;
}

.wf-ai-customer-container .question-box .pre-set-question-list .per-question:hover::before {
    opacity: 1;
}

.wf-ai-customer-container .question-box .pre-set-question-list .per-question .icon {
    max-width: 16px;
    max-height: 20px;
}

.wf-ai-customer-container .message-box {
    position: fixed;
    top: 0;
    z-index: 2;
    display: none;
    width: 100%;
    height: 80vh;
    visibility: hidden;
    opacity: 0;
    overflow-y: auto;
}

.wf-ai-customer-container .message-box::-webkit-scrollbar {
    width: 3px;
    background-color: rgba(255, 255, 255, .5);
}

.wf-ai-customer-container .message-box::-webkit-scrollbar-thumb {
    width: 1px;
    height: 10px;
    background-color: rgba(255, 255, 255, .8);
}

.wf-ai-customer-container .message-box-main {
    display: flex;
    flex-direction: column;
    gap: 20px;
    width: min(100%, 840px);
    /* height: 100%; */
    padding-top: 100px;
    padding-bottom: 20px;
    margin: 0 auto;
    border-radius: 10px;
    line-height: 1.5;
}

.wf-ai-customer-container .message-box .user {
    align-self: flex-end;
    padding: 15px 15px;
    background-color: rgba(55, 94, 227, .5);
    border-radius: 15px;
    max-width: 95%;
    word-break: break-all;
}

.wf-ai-customer-container .message-box .chat {
    align-self: flex-start;
    padding: 15px 15px;
    background-color: rgba(255, 255, 255, .1);
    border-radius: 15px;
    max-width: 95%;
    word-break: break-all;
}

.wf-ai-customer-container .message-box .chat .ai-loading-icon {
    width: 25px;
    animation: fullRotate 1s linear infinite;
}

.wf-ai-customer-container .message-box .chat .flex-layout,
.wf-ai-customer-container .message-box .chat.loading {
    display: flex;
    gap: 10px;
}

.wf-ai-customer-container .message-box .chat .error-icon {
    width: 25px;
}

.wf-ai-customer-container.had-chat .question-box {
    position: fixed;
    bottom: 80px;
    width: min(100%, 840px);
}

.bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

footer {
    position: fixed;
    bottom: 0;
    left: 0;
    z-index: 2;
    width: 100%;
    padding: 30px 40px;
    text-align: center;
    font-size: 14px;
}

@keyframes breatheAn {
    100% {
        transform: scale(1.1);
    }
}

@keyframes lineGradientAn {
    100% {
        transform: translate(-50%, -50%);
    }
}

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


@media screen and (max-width: 1000px) {
    .top {
        padding: 15px;
    }

    .top img {
        width: 150px;
    }

    .wf-ai-customer-container .question-box .ai-logo-box .ai-logo {
        width: 65px;
    }

    .wf-ai-customer-container .question-box .ai-logo-box .ai-bg img {
        width: 250px;
    }

    .wf-ai-customer-container .question-box .ai-desc {
        padding: 0 15px;
    }

    .wf-ai-customer-container .question-box .pre-set-question-list {
        padding: 0 15px;
        font-size: 14px;
    }

    .wf-ai-customer-container .question-box .pre-set-question-list .per-question {
        width: calc(50% - 5px);
    }

    .wf-ai-customer-container .question-box .input-box {
        margin: 0 15px;
    }

    .wf-ai-customer-container .message-box-main {
        padding-left: 15px;
        padding-right: 15px;
    }

    footer {
        padding: 5px 15px;
        font-size: 10px;
    }
}