:root{
    --background: #101114;
    --primary-color: #1C1D20;
    --secondary-color: #4A4D57;
    --accent-color: #00FFc4;
    --text-color:#f9f9f9;
}
*{
    margin: 0;
    padding: 0;
}
html {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    font-size: 16pt;
    color: var(--text-color);
}
body {
    min-height: 100vh;
    padding: 10px;
    background-color: var(--background);
    display: flex;
    flex-direction: column;
    align-items: center;
}
h1 {
    margin-top: 100px;
    margin-bottom: 20px;
    font-size: 3rem;
    font-weight: 800;
    text-transform: uppercase;
    text-align: center;
    color: var(--accent-color);
}
.wrapper {
    width: 700px;
    max-width: 100%;
    display: flex;
    flex-direction: column;
    gap: 10px;
}
#todo-input {
    box-sizing: border-box;
    padding: 12px 20px;
    width: 100%;
    background: none;
    border: 2px solid var(--secondary-color);
    border-radius: 1000px;
    font: inherit;
    color: var(--text-color);
    caret-color: var(--accent-color);
}
#todo-input:focus {
    outline: none;
}
form {
    position: relative;
}
#add-button {
    position: absolute;
    top: 0;
    right: 0;
}
#add-button {
    position: absolute;
    top: 0;
    right: 0;
    background-color: var(--accent-color);
    height: 100%;
    padding: 0 30px;
    border: none;
    border-radius: 1000px;
    font: inherit;
    font-weight: 600;
    color: var(--background);
    cursor: pointer;
}
.todo {
    margin-bottom: 10px;
    padding: 0 16px;
    background-color: var(--primary-color);
    border-radius: 15px;
    display: flex;
    align-items: center;

}
.todo .todo-text {
    padding: 15px;
    padding-right: 0;
    flex-grow: 1;
}
.delete-button {
    padding: 3px;
    background: none;
    border: none;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
}
.delete-button .svg{
    transition: 200ms ease;
}

.delete-button:hover .svg{
    fill: #ff0033;
}
.custom-checkbox {
    border: 2px solid var(--accent-color);
    border-radius: 50%;
    min-height: 20px;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-shrink: 0;
    transition: 200ms ease-in-out;
    cursor: pointer;
}
input[type="checkbox"]:checked ~ .custom-checkbox{
    background-color: var(--accent-color);
}
input[type="checkbox"]:checked ~ .custom-checkbox .svg{
    fill: var(--primary-color);
}
input[type="checkbox"]:checked ~ .todo-text {
    text-decoration: line-through;
    color: var(--secondary-color);
}
input[type="checkbox"]{
    display: none;
}
@media(max-width: 500px){
    html {
        font-size: 12pt;
    }
    #add-button {
        position: unset;
        width: 100%;
        margin-top: 10px;
        padding: 15px;
        height: auto;
    }
    h1 {
        margin-top: 50px;
        font-size: 15vw;
    }
}