.container {
    max-width: 80rem;
    gap: 4rem;
    margin: 0 auto;
    padding: 4rem 2rem;
}

.container h1 {
    text-align: center;
    font-size: 3rem;
    font-weight: 800;
    color: var(--gray-950);
}

.container .sub {
    text-align: center;
    font-size: 2rem;
    font-weight: 400;
    color: var(--gray-600);
}

.inner-cards {
    margin-top: 4rem;
    display: flex;
    gap: 2rem;
    flex-direction: row;
}

.card {
    width: 100%;
}

.card .title {
    font-size: 2rem;
    font-weight: 800;
    color: var(--gray-950);
    margin-bottom: 1rem;
}

.inner-cards .form-group {
    display: flex;
    align-items: center;
}

.inner-cards .form-group span.suffix {
    margin-left: .25rem;
    width: 4rem;
}

.inner-cards span.label-wrap {
    display: flex;
    align-items: center;
}

.inner-cards .form-group label {
    font-size: 1rem;
    font-weight: 600;
    color: var(--gray-950);
    min-width: 16rem;
}

.inner-cards .form-control {
    background-color: #fff;
    display: inline-block;
}

.inner-cards .form-control[disabled] {
    background-color: var(--gray-100);
}

hr {
    background-color: var(--gray-600);
    height: 1px;
    border: none;
    margin: 1rem 0;
}

.form-result-group {
    margin-bottom: 1rem;
}

.form-result-group.center {
    text-align: center;
    margin-top: 2rem;
}

.form-result-group.total {
    font-size: 1.5rem;
    font-weight: 800;
}

.empty {
    color: var(--gray-600);
    font-style: italic;
    text-align: center;
}

.explanation {
    color: var(--gray-600);
    font-style: italic;
    margin-bottom: .5rem;
}

.card ul {
    list-style-type: disc;
    margin-left: 1.25rem;
    margin-bottom: 2rem;
    color: var(--gray-600);
}

.card ul li {
    line-height: 2rem;
}

.form-result-group strong {
    color: var(--gray-950);
    font-weight: 700;
    display: block;
}

.form-result-group .extra {
    font-style: italic;
    display: block;
    color: var(--purple-300);
    margin-bottom: .5rem;
}

.form-result-group .highlight {
    color: var(--gray-950);
    font-weight: 700;
}

@media screen and (max-width: 1024px) {
    .inner-cards .form-group label {
        min-width: 14rem;
    }
}

@media screen and (max-width: 768px) {
    .inner-cards {
        flex-direction: column;
        margin-top: 0;
    }
    .card:nth-child(2) {
        order: 1;
    }
    .card:nth-child(1) {
        order: 2;
    }
}

@media screen and (max-width: 550px) {
    .container {
        padding: 2rem;
    }
    .inner-cards .form-group {
        display: block;
        width: 100%;
    }
    
    .inner-cards .form-group label {
        margin-bottom: .5rem;
        display: block;
    }
    .card .btn {
        margin-top: 2rem;
        display: block;
        width: 100%;
    }
    .form-control {
        padding: .75rem 1rem .75rem;
    }
}