html {
    width: 100%;
    box-sizing: border-box;
    font-size: 16px;
    font-family: "Rubik", sans-serif;
}

body {
    margin: 0;
    display: flex;
    justify-content: center;
    align-items: center;
}

h1 {
    font-size: 2rem;
    font-weight: 700;
    margin: 0 0 1.6rem;
    color: #0f172a;
}

main {
    width: 100%;
    max-width: 40rem;
    background-color: #FFF;
    border-radius: .8em;
    padding: 3.2rem 2.4rem;
}

#create-taskboard-section {
    width: 100%;
}

#create-taskboard-form {
    display: flex;
    flex-direction: column;
    width: 100%;
    color: #B1BACB;
}

#create-taskboard-form>input {
    height: 3.125rem;
    border: 1px solid #EEEEEE;
    border-radius: .5rem;
    padding-left: 1.5rem;
    margin-bottom: 1rem;
}

#create-taskboard-form>button {
    height: 2.8125rem;
    border-radius: .25rem;
    border: none;
    background-color: #2D70FD;
    color: #FFF;
    margin-bottom: 1rem;
    font-size: 1.125rem;
}

#create-taskboard-form>input::placeholder {
    color: #B1BACB;
}

#taskboard {
    padding-inline-start: 0;
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
}

.task {
    background: #ffffff;
    border-radius: 1.2rem;
    box-shadow: 0 2px 10px rgba(40, 41, 61, 0.08);
    padding: 1.6rem;
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
}

.task__container {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}

.task__desc {
    font-size: 1rem;
    font-weight: 600;
    color: #001747;
    line-height: 1.4;
}

.task__label {
    align-self: flex-start;
    display: inline-block;
    padding: 0.2rem 0.5rem;
    font-size: 0.875rem;
    color: #B1BACB;
    border: 1px solid #B1BACB;
    border-radius: 1rem;
}

.task__date {
    font-size: 0.875rem;
    color: #94a3b8;
}

.task__action {
    align-self: center;
    min-width: 8rem;
    height: 3.6rem;
    padding: 0 1.6rem;
    border: none;
    border-radius: 0.4rem;
    background: #2D70FD;
    color: #ffffff;
    font-size: 1.125rem;
    font-weight: 600;
    cursor: pointer;
    transition: transform .06s ease, opacity .2s ease, background .2s ease;
}

.task__action:active {
    transform: scale(0.98);
}

.task__action:hover {
    opacity: 0.92;
}

.task__action--done {
    width: 3.6rem;
    min-width: 3.6rem;
    height: 3.6rem;
    border-radius: 999px;
    background: transparent;
    display: grid;
    place-items: center;
    padding: 0;
}

.task__action--done img.task__action-icon {
    width: 2rem;
    height: 2rem;
    object-fit: contain;
}

.task--done .task__desc {
    color: #B1BACB;
    text-decoration: line-through;
}

.task--done .task__label {
    color: #B1BACB;
    background: #FFFFFF;
    border-color: #B1BACB;
}

.task--done .task__date {
    color: #B1BACB;
}

#taskboard-footer {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 1.2rem;
    margin-top: 0.8rem;
}

#tasks-progress {
    color: #94a3b8;
    font-size: 0.875rem;
}

.remove-done-tasks-btn {
    background: transparent;
    color: #94a3b8;
    border: 1px solid;
    border-radius: 0.6rem;
    padding: 0.6rem 1.0rem;
    font-size: 1.2rem;
    cursor: pointer;
    transition: background .2s ease, opacity .2s ease;
    text-transform: none;
    font-size: 0.875rem;
}

.remove-done-tasks-btn:hover {
    background: #f8fafc;
    opacity: 0.95;
}

#tasks-progress {
    order: 1;
}

.remove-done-tasks-btn {
    order: 2;
}

@media (min-width: 768px) {
    #create-taskboard-form {
        flex-direction: row;
        align-items: center;
        gap: .75rem;
    }

    #create-taskboard-form>input {
        flex: 1 1 auto;
        margin: 0;
    }

    #create-taskboard-form>button {
        flex: 0 0 auto;
        padding: 0 1.25rem;
        height: 3.125rem;
        margin-bottom: 0;
    }

    .task {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
        gap: 1rem;
    }

    .task__container {
        flex: 1;
    }

    .task__action {
        flex-shrink: 0;
        min-width: 8rem;
        height: 3.6rem;
    }

    .task__action--done {
        width: 3.6rem;
        min-width: 3.6rem;
        height: 3.6rem;
    }
}