Todo/static/css/styles.css

* {
    margin: 0;
    font-family: sans-serif;
}

nav {
    height: 48px;
    border-bottom: 2px solid black;
}

#nav-container {
    max-width: 1000px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
}

#new-button {
    width: 100px;
    text-transform: uppercase;
    cursor: pointer;
    text-align: center;
    line-height: 48px;
    font-size: 2em;
    font-weight: 600;
    font-family: sans-serif;
    color: inherit;
    text-decoration: none;
    display: inline-block;
}

#new-button:hover {
    background-color: #ddd;
}

#main-content {
    height: calc(100vh - 100px);
    height: calc(100lvh - 100px);
    position: relative;
}

#lists {
    height: 100%;
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 38px;
    padding: 25px;
}

#overdue-list {
    border: 4px solid hsl(0, 90%, 67.72%);
}

#today-list {
    border: 4px solid hsl(210, 57.14%, 58.04%);
}

#upcoming-list {
    border: 4px solid hsl(262.5, 44.44%, 58.62%);
}

.todo-list {
    width: 300px;
    height: min(calc(100lvh - 100px), 450px);
    border: 4px solid black;
    border-radius: 12px;
    overflow: hidden;
}

.todo-list-title {
    height: 50px;
    line-height: 50px;
    text-align: center;
    color: #333;
    font-size: 2rem;
}

.todo-list-items {
    max-height: min(calc(100lvh - 150px), 400px);
    overflow-y: scroll;
}

#overdue-list > .todo-list-title {
    background-color: #FAA0A0;
}

#today-list > .todo-list-title {
    background-color: #A7C7E7;
}

#upcoming-list > .todo-list-title {
    background-color: #C3B1E1;
}

.todo-item {
    height: 40px;
    margin: 6px;
    padding: 0 12px;
    border-radius: 5px;
    border: 1px solid gray;
    display: flex;
    align-items: center;
    justify-content: start;
    gap: 10px;
}

.todo-text {
    flex: 1;
    text-wrap: nowrap;
    overflow: hidden;
}

.todo-item-actions {
    max-width: 0px;
    overflow: hidden;
    transition: max-width .2s;
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: end;
    gap: 5px;
}

.todo-item:hover > .todo-item-actions {
    max-width: 30%;
    transition: max-width .7s;
}

.todo-item-actions > i {
    cursor: pointer;
}

#create-item {
	position: absolute;
	left: 50%;
	top: 50%;
    transform: translate(-50%, -50%);
	border: 2px solid black;
	border-radius: 10px;
	width: min(calc(100vw - 110px), 900px);
	height: min(calc(100lvh - 250px), 440px);
	background: white;
	box-shadow: black 5px 5px 5px -3px;
    visibility: hidden;
    opacity: 0;
    transition: visibility 1s, top .5s, opacity .5s linear;
    display: flex;
    flex-direction: column;
    padding: 30px;
}

#create-item:target {
	top: 48%;
    visibility: visible;
    opacity: 1;
    transition: visibility 0s, top .5s, opacity .5s linear;
}

#create-item-title {
    font-size: 2em;
    font-weight: bold;
    margin-top: -10px;
}

#create-item-form-container {
    display: flex;
    flex: 1;
    flex-direction: row;
}

.create-item-form-column {
    flex: 1;
    padding: 20px;
}

.create-item-form-column input {
    margin-bottom: 20px;
}

#create-item-button-container {
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: end;
    margin: 0 10px;
    gap: 20px;
}

.button {
    padding: 10px 20px;
    text-decoration: none;
    border: 2px solid;
    border-radius: 6px;
    box-shadow: black 2px 2px 3px 0;
    background-color: white;
    font-size: 1rem;
    cursor: pointer;
}

.button:hover {
    background-color: #ddd;
}

#create-item-close-button {
    color: initial;
}

#create-item-save-button {
    color: blue;
    border-color: blue;
}

.new-item, .filler-item {
    display: none;
}

[data-item-count="0"]
.filler-item {
    display: block;
    width: calc(100% - 12px);
    flex: 1;
    text-align: center;
    font-weight: bold;
    font-size: 1.5rem;
    line-height: 40px;
    margin: 6px;
}