:root{
    --main-color:#dc4c3e;
    --main-checked-color:#1eb760;
}
*{
    margin: 0;
    padding: 0;
}
html{
    scroll-behavior: smooth;
    overflow-x: hidden;
}
body{
    font-family: 'Roboto', sans-serif;
    overflow-x: hidden;
}
a{
    text-decoration: none;
    color: inherit;
}
li{
    list-style: none;
}
.container{
    padding:  0 40px;
}
@media (max-width:550px) {
    .container{
        padding:  0 10px;
    }
}

header{
    background-color: var(--main-color);
    padding: 20px 0;
}
header .header-title-holder{
    position: relative;
    width: fit-content;
}
header .header-title-holder::before{
    content: "\f304";
    font-weight: 900;
    font-family: "Font Awesome 5 Free";
    font-size: 20px;
    position: absolute;
    right: calc(100% + 2px);
    bottom:calc(100% - 10px);
    display: none;
    transform: rotate(263deg);
}
header .header-title-holder:hover::before{
    display: block;
}
header #header-title{
    padding: 10px 0;
    border: none;
    outline: none;
    font-size: 30px;
    font-weight: bold;
    overflow: visible;
    background: none;
    color: white;
}
@media (max-width:750px) {
    header #header-title{
        max-width: 100%;
    }
}
.contents .todos-input-holder{
    display: flex;
    align-items: center;
}
@media (max-width:750px) {
    .contents .todos-input-holder{
        flex-direction: column;
        align-items: flex-start;
    }
}
.contents .todos-input-holder button{
    background: none;
    border: none;
    cursor: pointer;
    font-weight: bold;
    font-size: 25px;
    color: rgb(138, 134, 134);;
    padding: 0 15px;
    position: relative;
    padding: 15px 0;
}
@media (max-width:750px) {
    .contents .todos-input-holder button{
        left: 20px;
    }
}
.contents .todos-input-holder button:hover{
    color: var(--main-color);
}
.contents .todos-input-holder button::before{
    content: "\2b";
    font-family: "Font Awesome 5 Free";
    font-weight: 900;
    font-size: 20px;
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    left: -30px;
    border-radius: 50%;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.contents .todos-input-holder button:hover::before{
    color: white;
    background-color: var(--main-color);
}
.contents #todos-input{
    font-size: 40px;
    border: none;
    outline: none;
    background: none;
    padding: 15px 0;
    flex: 1;
}
@media (max-width:750px) {
    .contents #todos-input{
        font-size: 30px;
    }
}
.contents #all-todos-list .task{
    padding: 15px 20px;
    border-top: 1px solid #eef0f5;
    border-bottom: 1px solid #eef0f5;
    display: flex;
    align-items: center;
    justify-content: space-between;
    background-color: white;
    cursor: pointer;
}
@media (max-width:750px) {
    .contents #all-todos-list .task{
        flex-direction: column;
        gap: 10px;
        align-items: flex-start;
    }
}
.contents #all-todos-list .task .left{
    display: flex;
    align-items: center;
    gap: 10px;
}
.contents #all-todos-list .task:hover{
    border-color: #cfcfcf;
}
.contents #all-todos-list .task .checkbox{
    width: 30px;
    height: 30px;
    accent-color: var(--main-checked-color);
    position: relative;
    background-color: white;
    cursor: pointer;
}
.contents #all-todos-list .task .checkbox::before{
    content: "";
    position: absolute;
    left: 0;
    top: 0;
    background-color: inherit;
    width: 100%;
    height: 100%;
    opacity: 0.8;
}
.contents #all-todos-list .task .checkbox::after{
    content: "\f00c";
    position: absolute;
    width: 100%;
    height: 100%;
    background-color: var(--main-checked-color);
    color: white;
    font-family: "Font Awesome 5 Free";
    font-weight: 900;
    display: none;
    align-items: center;
    justify-content: center;
}
.contents #all-todos-list .task .checkbox:hover::before,
.contents #all-todos-list .task .checkbox:hover::after{
    display: flex;
    opacity: 1;
}
.contents #all-todos-list .task .task-title{
    font-size: 22px;
    font-weight: 600;
}
.contents #all-todos-list .task .task-date{
    border: none;
    padding: 3px;
    background-color: #cfcfcf;
    border-radius: 10px;
    display: none;
}
.contents #all-todos-list .task .before-set-date{
    background-color: rgb(138, 134, 134);
    color: white;
    font-size: 12px;
    border-radius: 10px;
    padding: 5px 10px;
    cursor: pointer;
    opacity: 0.7;
    transition: 0.3s;
    font-weight: bold;
}
.contents #all-todos-list .task .before-set-date:hover{
    opacity: 1;
}
.contents #all-todos-list .task .right{
    display: flex;
    gap: 30px;
}
.contents #all-todos-list .task .right > *{
    position: relative;
    font-size: 25px;
    color: #ccc;
    cursor: pointer;
    opacity: 0;
}
.contents #all-todos-list .task .right .star-task:hover{
    color: orange;
}
.contents #all-todos-list .task .right .task-color-changer:hover{
    color: rgb(102, 0, 117);
}
.contents #all-todos-list .task .right .delete-task{
    font-size: 28px;
}
.contents #all-todos-list .task .right .delete-task:hover{
    color: red;
}
.contents #all-todos-list .task:hover .right > *{
    opacity: 1;
}
.contents #all-todos-list .task .right i::after{
    position: absolute;
    right: 0;
    font-family: 'Roboto', sans-serif;
    top: calc(100% + 5px);
    width: fit-content;
    height: 30px;
    background-color: rgb(38, 37, 37);
    color: white;
    font-size: 14px;
    width: 150px;
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}
.contents #all-todos-list .task .right i:hover::after{
    display: flex;
}
.contents #all-todos-list .task .right .star-task::after{
    content: "Star task";
}
.contents #all-todos-list .task .right .task-color-changer::after{
    content: "Tag task with color";
}
.contents #all-todos-list .task .right .delete-task::after{
    content: "Delete task";
}
.contents #all-todos-list .task .right .task-color-changer-holder .colors-menu{
    position: absolute;
    top: 50%;
    right: calc(100% + 15px);
    transform: translateY(-50%);
    padding: 10px 15px;
    background-color: white;
    align-items: center;
    gap: 10px;
    box-shadow: rgba(99, 99, 99, 0.2) 0px 2px 8px 0px;
    display: none;
}
.contents #all-todos-list .task .right .task-color-changer-holder .colors-menu li{
    width: 23px;
    height: 23px;
    opacity: 0.7;
    transition: 0.3s;
}
.contents #all-todos-list .task .right .task-color-changer-holder .colors-menu li:not(:first-child){
    border-radius: 50%;
}
.contents #all-todos-list .task .right .task-color-changer-holder .colors-menu li:hover{
    opacity: 1;
    transform: scale(105%);
}
.contents #all-todos-list .task .right .task-color-changer-holder .colors-menu li.normal{
    background-color: white;
    border: 1px solid var(--main-checked-color);
}
.contents #all-todos-list .task .right .task-color-changer-holder .colors-menu li.red{
    background-color: #dc4c3e;
}
.contents #all-todos-list .task .right .task-color-changer-holder .colors-menu li.blue{
    background-color: #29a9eb;
}
.contents #all-todos-list .task .right .task-color-changer-holder .colors-menu li.green{
    background-color: var(--main-checked-color);
}
.contents #all-todos-list .task .right .task-color-changer-holder .colors-menu li.purple{
    background-color: #843ab8;
}
.contents #all-todos-list .task .right .task-color-changer-holder .colors-menu li.orange{
    background-color: #ff9600;
}
.contents #all-todos-list .task .right .task-color-changer-holder .colors-menu li.checked{
    border-radius: 0;
}
.contents #all-todos-list .task .right .star-active{
    color: orange;
    opacity: 1;
}
.contents .info{
    color: rgb(138, 134, 134);;
    padding: 30px 0;
    font-size: 20px;
    width: fit-content;
    margin-left: auto;
    margin-top: 30px;
}
.contents .info a{
    font-weight: bold;
    transition: 0.3s;
}
.contents .info a:hover{
    color: #000;
}
@media (max-width:750px) {
    .contents .info{
        margin: 0 auto;
        text-align: center;
    }
}