/*--------------------
Mixins
--------------------*/
@mixin center {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

@mixin ball {
    @include center;
    content: '';
    display: block;
    width: 3px;
    height: 3px;
    border-radius: 50%;
    background: rgba(255, 255, 255, .5);
    z-index: 2;
    margin-top: 4px;
    animation: ball .45s cubic-bezier(0, 0, 0.15, 1) alternate infinite;
}


/*--------------------
Body
--------------------*/
*,
*::before,
*::after {
    box-sizing: border-box;
}

/*--------------------
Chat
--------------------*/
.chat {
    @include center;
    width: 400px;
    height: 80vh;
    max-height: 600px;
    z-index: 2;
    overflow: hidden;
    box-shadow: 0 5px 30px rgba(0, 0, 0, .2);
    background: rgba(0, 0, 0, .98);
    border-radius: 20px;
    display: flex;
    justify-content: space-between;
    flex-direction: column;
    margin-bottom: 20px;
    margin-left: -100px;
}


/*--------------------
Chat Title
--------------------*/
.chat-title {
    flex: 0 1 45px;
    position: relative;
    z-index: 2;
    background: rgba(0, 0, 0, 0.2);
    color: #fff;
    text-transform: uppercase;
    text-align: left;
    padding: 10px 10px 10px 50px;

    h1, h2 {
        font-weight: normal;
        font-size: 18px;
        margin: 0;
        padding: 0;
        letter-spacing: 1px;
    }

    h2 {
        color: rgba(255, 255, 255, .5);
        font-size: 12px;
    }

    .avatar {
        position: absolute;
        z-index: 1;
        top: 8px;
        left: 9px;
        border-radius: 30px;
        width: 30px;
        height: 30px;
        overflow: hidden;
        margin: 0;
        padding: 0;
        /*border: 2px solid rgba(255, 255, 255, 0.24);*/

        img {
            width: 100%;
            height: auto;
        }
    }
}


/*--------------------
Messages
--------------------*/
.messages {
    flex: 1 1 auto;
    color: rgb(255, 255, 255);
    overflow: hidden;
    position: relative;
    width: 100%;

    & .messages-content {
        position: absolute;
        top: 0;
        left: 0;
        height: 100%;
        width: 100%;
    }


    .message {
        clear: both;
        float: left;
        padding: 6px 10px 7px;
        border-radius: 10px 10px 10px 0;
        background: rgba(80, 80, 80, 0.3);
        margin: 12px 0;
        font-size: 16px;
        line-height: 1.5;
        margin-left: 35px;
        position: relative;
        text-shadow: 0 1px 1px rgba(0, 0, 0, .2);

        .timestamp {
            position: absolute;
            bottom: -20px;
            left: 0px;
            font-size: 12px;
            color: rgba(255, 255, 255, .3);
        }

        &::before {
            content: '';
            position: absolute;
            bottom: -6px;
            border-top: 6px solid rgba(0, 0, 0, .3);
            left: 0;
            border-right: 7px solid transparent;
        }

        .avatar {
            position: absolute;
            z-index: 1;
            bottom: -15px;
            left: -35px;
            border-radius: 30px;
            width: 30px;
            height: 30px;
            overflow: hidden;
            margin: 0;
            padding: 0;
            /*border: 2px solid rgba(255, 255, 255, 0.24);*/

            img {
                width: 100%;
                height: auto;
            }
        }

        &.message-personal {
            float: right;
            color: #fff;
            text-align: right;
            background: linear-gradient(120deg, #f87676, #f83a3b);
            border-radius: 10px 10px 0 10px;

            &::before {
                left: auto;
                right: 0;
                border-right: none;
                border-left: 5px solid transparent;
                border-top: 4px solid #257287;
                bottom: -4px;
            }
        }

        &:last-child {
            margin-bottom: 30px;
        }

        &.new {
            transform: scale(0);
            transform-origin: 0 0;
            animation: bounce 500ms linear both;
        }

        &.loading {

            &::before {
                @include ball;
                border: none;
                animation-delay: .15s;
            }

            & span {
                display: block;
                font-size: 0;
                width: 20px;
                height: 10px;
                position: relative;

                &::before {
                    @include ball;
                    margin-left: -7px;
                }

                &::after {
                    @include ball;
                    margin-left: 7px;
                    animation-delay: .3s;
                }
            }
        }

    }
}


/*--------------------
Message Box
--------------------*/
.message-box {
    flex: 0 1 40px;
    width: 100%;
    background: rgba(0, 0, 0, 0.3);
    padding: 10px;
    position: relative;

    & .message-input {
        background: none;
        border: none;
        outline: none !important;
        resize: none;
        color: rgba(255, 255, 255, .7);
        font-size: 16px;
        height: 22px;
        margin: 0;
        padding-right: 20px;
        width: 300px;
    }

    textarea:focus:-webkit-placeholder {
        color: transparent;
    }

    textarea {
        scrollbar-width: none;
        &::-webkit-scrollbar {
            display: none;
        }
    }

    & .message-submit {
        position: absolute;
        z-index: 1;
        top: 9px;
        right: 15px;
        color: #fff;
        border: none;
        background: #f83a3b;
        font-size: 14px;
        text-transform: uppercase;
        line-height: 1;
        padding: 6px 10px;
        border-radius: 10px;
        outline: none !important;
        transition: background .2s ease;

        &:hover {
            background: #1D7745;
        }
    }
}

/*--------------------
Bounce
--------------------*/
@keyframes bounce {
    0% {
        transform: matrix3d(0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1);
    }
    4.7% {
        transform: matrix3d(0.45, 0, 0, 0, 0, 0.45, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1);
    }
    9.41% {
        transform: matrix3d(0.883, 0, 0, 0, 0, 0.883, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1);
    }
    14.11% {
        transform: matrix3d(1.141, 0, 0, 0, 0, 1.141, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1);
    }
    18.72% {
        transform: matrix3d(1.212, 0, 0, 0, 0, 1.212, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1);
    }
    24.32% {
        transform: matrix3d(1.151, 0, 0, 0, 0, 1.151, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1);
    }
    29.93% {
        transform: matrix3d(1.048, 0, 0, 0, 0, 1.048, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1);
    }
    35.54% {
        transform: matrix3d(0.979, 0, 0, 0, 0, 0.979, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1);
    }
    41.04% {
        transform: matrix3d(0.961, 0, 0, 0, 0, 0.961, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1);
    }
    52.15% {
        transform: matrix3d(0.991, 0, 0, 0, 0, 0.991, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1);
    }
    63.26% {
        transform: matrix3d(1.007, 0, 0, 0, 0, 1.007, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1);
    }
    85.49% {
        transform: matrix3d(0.999, 0, 0, 0, 0, 0.999, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1);
    }
    100% {
        transform: matrix3d(1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1);
    }
}


@keyframes ball {
    from {
        transform: translateY(0) scaleY(.8);
    }
    to {
        transform: translateY(-10px);
    }
}


.messages-content {
    padding-left: 15px;
    padding-right: 15px;
    overflow-y: auto;
    scrollbar-width: none;
    &::-webkit-scrollbar {
        display: none;
    }
}

.messages-content::-webkit-scrollbar {
    width: 8px;
    padding: 30px;
}

.messages-content::-webkit-scrollbar-track {
    background: #f5f5f5;
}

.messages-content::-webkit-scrollbar-thumb {
    background-color: #ccc;
    border-radius: 4px;
}