*{
    padding: 0;
    margin: 0;
    border: none;
    outline: none;
    box-sizing: border-box;
    font-family: 'Microsoft Yahei';
}

body{
    width: 100vw;
    height: 100vh;
}

#app{
    width: 100%;
    height: 100%;
    overflow: hidden;
}

/* header */

.header{
    width: 100%;
    height: 44px;
    padding: 8px 12px;
    background-color: #111111;
    display: flex;
}

.header>div{
    height: 27px;
    line-height: 27px;
}

/* header change-view */

.change-view{
    width: 88px;
    font-size: 13px;
    user-select: none;
    position: relative;
}

.change-view>.selected{
    color: #ffffff;
    background-color: #111111;
    padding: 0px 0px;
    z-index: 66;
    position: relative;
}

.change-view>.selected::after{
    content: '▼';
    position: absolute;
    right: 0px;
}

.change-view>ul{
    width: 130%;
    z-index: 55;
    padding: 2px 0px;
    background-color: #ffffff;
    border: 1px solid #111111;
    box-shadow: 0 0 5px 0 #666;
    position: relative;
    top: 2px;
}

.change-view>ul{
    display: none;
}

.change-view>ul.show{
    display: block;
}

.change-view>ul>li{
    padding: 3px 5px;
    list-style: none;
}

.change-view>ul>li:hover,
.change-view>ul>li:focus{
    color: #ffffff;
    background-color: #2196f3;
}

/* header */

.header>.current-date{
    color: #ffffff;
    font-size: 13px;
    text-align: center;
    flex-grow: 1;
    order: 2;
}

.header>.change-view{
    width: 60px;
    background-color: #111111;
    font-size: 13px;
    order: 1;
}

.header>.new-task{
    width: 30px;
    font-size: 25px;
    color: #ffffff;
    text-align: center;
    background: none;
    order: 3;
}

.header>.new-task::after{
    content: "+";
}

/* container */

.container{
    width: 100%;
    height: calc(100vh - 44px);
    display: flex;
    flex-wrap: wrap;
}

/* container.task-box */

.task-box{
    width: 50%;
    height: 50%;
}

.box-1{
    background-color: #fdd9d7;
}.box-2{
    background-color: #ffeacc;
}.box-3{
    background-color: #cdeefd;
}.box-4{
    background-color: #e8f3db;
}

.task-box.box-1,
.task-box.box-3{
    border-right: 1px solid #fff;
}.task-box.box-3,
.task-box.box-4{
    border-top: 1px solid #fff;
}

/* container.task-box.head */

.task-box>.head{
    height: 36px;
    line-height: 36px;
    position: relative;
}

.task-box>.head>h3{
    color: #333333;
    font-size: 14px;
    font-weight: bold;
    letter-spacing: 1px;
    flex-grow: 1;
    margin-left: 10px;
}
.task-box>.head>a{
    display: none;
}

/* radio */

.radio{
    width: 22px;
    height: 22px;
    border-width: 2px;
    border-style: solid;
    border-radius: 50%;
    padding: 3px 3px;
    margin: 7px 10px;
    cursor: pointer;
}
.radio-1{
    border-color: #f44336;
}.radio-2{
    border-color: #ff9800;
}.radio-3{
    border-color: #03a9f4;
}.radio-4{
    border-color: #8bc34a;
}
.radio>span{
    width: 12px;
    height: 12px;
    border-radius: 50%;
    display: none;
}
.radio-1>span{
    background-color: #f44336;
}.radio-2>span{
    background-color: #ff9800;
}.radio-3>span{
    background-color: #03a9f4;
}.radio-4>span{
    background-color: #8bc34a;
}

/* container.task-box.body */

.task-box>.body{
    height: calc(100% - 36px);
    overflow-x: hidden;
    overflow-y: auto;
}

.task-box>.body>ul>li{
    height: 37px;
    font-size: 15px;
    list-style: none;
    line-height: 36px;
    border-top: 1px solid #fff;
    position: relative; 
}

.task-box>.body>ul>li>.title{
    font-size: 14px;
    margin-left: 10px;
    margin-right: 40px;
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
}

.task-box>.body>ul>li>.time{
    display: none;
}

.task-box>.body>ul>li>.title{
    color: #333333;
}.task-box>.body>ul>li.done>.title{
    color: #999999;
}

.task-box>.body>ul>li>.radio{
    color: #333333;
}.task-box>.body>ul>li.done>.radio{
    color: #999999;
}

.task-box>.body>ul>li>.radio{
    width: auto;
    height: auto;
    padding: 0;
    margin: 0;
    border: none;
    background: none;
}

.task-box>.body>ul>li>.radio{
    line-height: 36px;
    padding: 0 10px;
    font-size: 16px;
    position: absolute;
    right: 0px;
}

.task-box>.body>ul>li>.radio>span{
    display: none;
}.task-box>.body>ul>li>.radio::after{
    content: "☐";
}.task-box>.body>ul>li.done>.radio::after{
    content: "☑";
}

/* footer */

.footer{
    width: 100%;
    height: 100%;
    position: absolute;
    z-index: -99;
    left: 0;
    top: 0;
}

.footer>.mask{
    width: 100%;
    height: 100%;
    background-color: #000000;
    transition: opacity 0.5s;
    opacity: 0;
}

.footer>.former{
    width: 100%;
    height: 100%;
    background-color: #ffffff;
    position:fixed;
    top: 0px;
    right: -100%;
    transition: right 0.5s;
}

/* footer.show */

.footer.show{
    z-index: 99;
}

.footer.show>.mask{
    opacity: 0.5;
}

.footer.show>.former{
    right: 0px;
}

/* footer former */

.footer>.former{
    display: flex;
    flex-direction: column;
}

/* footer former btn-group */

.former>.btn-group{
    flex-basis: 36px;
    order: 1;
}

.former>.btn-group>button{
    height: 36px;
    font-size: 16px;
    color: #333333;
    background: none;
    margin: 0px 10px;
    cursor: pointer;
}

#btn-delete{
    float: left;
}#btn-delete:hover{
    color: #f44336;
}

#btn-save{
    float: right;
}#btn-save:hover{
    color: #03a9f4;
}#btn-save.disabled{
    color: #999999;
    cursor: not-allowed;
}

/* footer former input-task */

.former>.input-task{
    flex-basis: 36px;
    order: 2;
}

.input-task.task-1{
    background-color: #fdd9d7;
}.input-task.task-2{
    background-color: #ffeacc;
}.input-task.task-3{
    background-color: #cdeefd;
}.input-task.task-4{
    background-color: #e8f3db;
}

.former>.input-task>input{
    width: 100%;
    height: 36px;
    font-size: 15px;
    line-height: 36px;
    padding: 0px 10px;
    background: none;
    display: block;
}

/* footer former radio-group */

.former>.radio-group{
    flex-basis: 37px;
    order: 3;
}

.former>ul.radio-group{
    height: 37px;
    list-style: none;
    border-bottom: 1px solid #ccc;
}

.former>ul.radio-group>li,
.former>ul.radio-group>li>.radio,
.former>ul.radio-group>li.active>p{
    float: left;
}

.former>ul.radio-group>li.active>.radio>span{
    display: block;
}

.former>ul.radio-group>li>p{
    line-height: 36px;
    font-size: 13px;
    display: none;
}

.former>ul.radio-group>li.active>p{
    display: block;
}

/* footer former text-area */

.former>.text-area{
    padding: 0px 10px;
    flex-basis: 360px;
    order: 4;
}

.former>.text-area>p{
    height: 36px;
    color: #333333;
    font-size: 13px;
    line-height: 36px;
}

.text-area>textarea{
    width: 100%;
    height: 100%;
    resize: none;
    color: #666666;
    line-height: 18px;
    text-align: justify;
    padding: 10px 10px;
    border: 2px dashed #ccc;
    display: block;
}