:root {
    --dark-fore-color: #fff;
    --dark-fore-opacity-color: rgba(255, 255, 255, .6);
    --title-color: #fff;
    --title-bg-color: rgb(68, 114, 196);
    --strong-color: #333;
    --medium-font-size: .875rem;
}

.comm {
    display: flex;
    flex-direction: column;
    width: 320px;
    background-color: var(--dark-fore-color);
    border: 1px solid var(--title-bg-color);

    .roundbtn {
        width: 30px;
        height: 30px;
        display: inline-block;
        box-sizing: border-box;
        cursor: pointer;
        padding: 7px;
        margin-left: 10px;
        fill: var(--dark-fore-color);
        border-radius: 15px;
        border: none;
        outline: none;
        transition: background-color .2s;
        user-select: none;

        &:hover {
            background-color: var(--dark-fore-opacity-color);

            >svg {
                opacity: .6;
            }
        }

        &.disabled {
            fill: lightgray;
            background-color: transparent !important;

            &:hover {
                opacity: unset;
            }
        }

        >svg {
            width: 13px;
            height: 14px;
            display: block;
            transition: opacity .2s;
        }
    }

    .image-check-box {
        user-select: none;

        >input[type="checkbox"] {
            display: none;

            &:checked~.unchecked {
                display: none;
            }

            &:checked~.checked {
                display: unset;
            }
        }

        >.unchecked {
            opacity: .5;
        }

        >.checked {
            display: none;
        }
    }

    .title-bar {
        flex: 0 0 auto;
        padding: 5px 0 5px 10px;
        color: var(--title-color);
        background-color: var(--title-bg-color);
        line-height: 24px;
        display: flex;
        align-items: center;

        >div {
            flex: 1 1 auto;
        }

        >.title-functions {
            flex: 0 0 auto;
            display: flex;

            >label {
                margin: 0 4px;
                box-sizing: border-box;
                cursor: pointer;
                width: 30px;
                height: 30px;
                background-color: var(--dark-fore-color);
                border-radius: 15px;
                display: flex;
                align-items: center;
                justify-content: center;
                transition: background-color .2s;

                >svg {
                    fill: var(--strong-color);
                    width: 14px;
                    height: 14px;
                    transition: opacity .2s;
                }

                &:hover {
                    background-color: var(--dark-fore-opacity-color);

                    >svg {
                        opacity: .6;
                    }
                }
            }
        }
    }

    .contact-bar {
        flex: 0 0 auto;
        padding: 4px 0;
        display: flex;
        border-bottom: 1px solid var(--title-bg-color);

        >svg {
            width: 30px;
            height: 30px;
            margin: 0 8px;
        }

        .contact-item {
            display: flex;
            align-items: center;
            line-height: 22px;

            >svg {
                flex: 0 0 auto;
                width: 16px;
                height: 16px;
                margin-right: 6px;
                fill: var(--strong-color);
            }

            >span {
                flex: 1 1 auto;
                color: var(--strong-color);
                font-size: var(--medium-font-size);
            }
        }

        .roundbtn {
            float: right;
            margin: 4px 10px 10px;

            >svg {
                width: 16px;
            }
        }
    }

    .message-bar {
        flex: 0 0 auto;
        border-bottom: 1px solid var(--title-bg-color);
        display: flex;
        flex-direction: column;

        >textarea {
            padding: 10px 10px 0;
            border: none;
            height: 70px;
        }

        >div {
            padding: 0 10px 10px;
        }

        &+div {
            flex: 1 1 auto;
            overflow: auto;
            margin-top: 8px;

            .msgdiv {
                margin-top: 5px;
                border-bottom: solid 1px lightgray;
                padding: 3px 10px 5px;
                line-height: 1.5rem;
                white-space: normal;
                word-break: break-word;
                overflow: hidden;
                font-size: .8125rem;
                color: #333;

                &:last-child {
                    border-bottom: none;
                }
            }

            .msgposter {
                font-weight: bold;

                &+div {
                    line-height: 1.2rem;
                    padding: 8px 20px;
                    background-color: rgb(244, 244, 244);
                    border-radius: 5px;
                    white-space: pre-wrap;
                    text-align: left;
                    word-break: break-word;

                    &.txtself {
                        max-width: 240px;
                        margin-right: 10px;
                        background-color: #9eea6a;
                        display: inline-block;
                    }

                    &.txtother {
                        max-width: 240px;
                        margin-left: 10px;
                        display: inline-block;
                    }
                }
            }

            .msgtime {
                text-align: right;
                color: #aaa;
                font-size: .7rem;
            }
        }
    }
}