* {
    padding: 0;
    margin: 0;
}
*,
*::before,
*::after {
    box-sizing: border-box;
}
html {
    font-size: 16px;
    font-family: "Fira Code", "Consolas", "Courier New", Courier, monospace;
}
@media (max-width: 768px) {
    body {
        font-size: 14px;
    }
}
@media (min-width: 1200px) {
    body {
        font-size: 18px;
    }
}
body {
    justify-content: center;
}
section.todo {
    
    position: relative;
    
    margin-top: calc(var(--nav-top) + var(--sidebar-toggle-size));
    display: flex;
    flex-grow: 1;
    justify-content: center;
    align-items: flex-start;
    padding: 3vh 1vw;
}
.TodoListContainer {
    position: relative;
    z-index: 2;
    display: block;
    background-color: var(--container-bg);
    backdrop-filter: blur(10px);
    height: auto;
    width: auto;
    padding: 3vh 5vw;
    margin: 2vw;
    border-radius: 10px;
    border: 1px solid var(--container-border-color);
}
.HowtoTodo {
    
    display: block;
    position: sticky;
    top: var(--nav-top);
    font-size: 0.8em;
    margin-top: 10vh;
    opacity: 0.5;
}
@media (max-width: 800px) {
    .TodoListContainer {
        width: auto;
        height: auto;
    }
    .HowtoTodo {
        display: none;
    }
}
.TodoListContent {
    
    margin-top: 3vh;
    width: auto;
    height: auto;
    overflow: auto;
}
.TodoListInput {
    display: flex;
    border-radius: 25px;
}
.todoitem {
    border-radius: 25px 0 0 25px;
    
    color: var(--input-color);
    flex-grow: 1;
    border: none;
    background-color: var(--input-bg);
    padding: 10px 15px;
    outline: none;
    
    transition: box-shadow 0.3s ease;
}
.todoitem:focus {
    color: var(--input-color);
    border: 1px solid rgba(255, 255, 255, 0.3);
    background-color: rgba(0, 19, 55, 0.7);
    outline: none;
    box-shadow: 0 0 3px var(--bt-bg);
}
.todoitem:hover {
    color: var(--input-color);
    background-color: rgba(0, 19, 55, 0.7);
}
.todoitem::placeholder {
    color: var(--input-color);
    opacity: 0.7;
}
.TodoBT {
    color: #000;
    background-color: var(--bt-bg);
    opacity: 0.8;
    padding: 10px 15px;
    border: none;
    cursor: pointer;
    border-radius: 0 25px 25px 0;
}
.TodoBT:focus {
    color: #000;
    background-color: var(--bt-bg);
    padding: 10px 15px;
    cursor: pointer;
    border: 1px solid rgb(241, 241, 241);
    outline: none;
    box-shadow: 0 0 5px var(--bt-bg);
    ;
}
.TodoBT:hover {
    color: #000;
    background-color: var(--bt-bg);
    padding: 10px 15px;
    border: none;
    cursor: pointer;
}
.todoList {
    list-style-type: none;
    padding: 0;
}
.todoList li {
    display: flex;
    padding: 5px 5px;
    border-bottom: 1px solid #eee;
    border-radius: 5px;
}
.todoList li:hover {
    background-color: rgb(255, 255, 255, 0.3);
}
.todoList label {
    flex-grow: 1;
}
.todo-Checkbox {
    margin-right: 20px;
}
.todo-Checkbox:checked+label {
    text-decoration: line-through;
    color: #999;
}
.TodoDel {
    border: none;
    color: white;
    background-color: #fc4c1b;
    border-radius: 11px;
    cursor: pointer;
    opacity: 0.5;
    padding: 3px 8px;
}
.TodoDel:hover {
    opacity: 1;
}
.bgAnimation_colorfulDot {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    overflow: hidden;
}
.flock {
    position: absolute;
    z-index: 0;
    
    pointer-events: none;
    
    width: 15px;
    height: 15px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    filter: blur(7px);
    animation: flockMove 15s infinite linear;
}
@keyframes flockMove {
    0% {
        transform: translate(0, 0);
    }
    25% {
        transform: translate(100px, 200px);
    }
    50% {
        transform: translate(300px, 100px);
    }
    75% {
        transform: translate(200px, -100px);
    }
    100% {
        transform: translate(0, 0);
    }
}