:root {
    --govuk-black: #0b0c0c;
    --govuk-blue: #1d70b8;
    --govuk-green: #00703c;
    --govuk-yellow: #ffdd00;
    --govuk-text: #0b0c0c;
    --govuk-muted: #505a5f;
    --bg: #ffffff;
    --border: #b1b4b6;
    --focus: #fd0;
    --card: #f3f2f1;
    --radius: 10px;
}

html {
    box-sizing: border-box
}

*, *::before, *::after {
    box-sizing: inherit
}

body {
    font: 16px/1.5 system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,"Helvetica Neue",Arial,"Noto Sans",sans-serif;
    color: var(--govuk-text);
    margin: 0;
    background: #fff
}

.gov-header {
    background: var(--govuk-black);
    color: #fff;
    padding: 14px 16px;
    display: flex;
    align-items: center;
    gap: 12px;
    border-radius: 10px;
    margin: 12px
}

.gov-header__tag {
    display: inline-block;
    background: var(--govuk-yellow);
    color: var(--govuk-black);
    font-weight: 700;
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 12px
}

.gov-header__title {
    margin: 0;
    font-weight: 800;
    letter-spacing: .2px
}

.container-narrow {
    max-width: 1100px;
    margin: 0 auto;
    padding: 8px 16px 48px
}

.page-intro {
    max-width: 780px
}

    .page-intro h1 {
        font-size: clamp(28px,3.5vw,40px);
        margin: .4rem 0 .6rem
    }

    .page-intro p {
        color: var(--govuk-muted);
        margin-top: 0
    }

.grid {
    display: grid;
    grid-template-columns: repeat(2,minmax(0,1fr));
    gap: 16px
}

@@media (max-width:720px) {
    .grid {
        grid-template-columns: 1fr
    }
}

.card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 18px
}

    .card h2 {
        margin: 0 0 8px;
        font-size: 20px
    }

    .card p.lead {
        margin: 0 0 12px;
        color: var(--govuk-muted)
    }


.form-row {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin: 8px 0;
    align-items: flex-end;
}


label {
    display: block;
    font-weight: 600;
    margin-bottom: 4px
}

input, select, button {
    font: inherit
}

    input[type=number], input[type=text], select {
        width: 100%;
        padding: 10px;
        border: 1px solid var(--border);
        border-radius: 8px;
        background: #fff
    }

button {
    cursor: pointer;
    border: 1px solid var(--govuk-black);
    background: var(--govuk-blue);
    color: #fff;
    padding: 10px 14px;
    border-radius: 8px;
    font-weight: 700
}

    button.secondary {
        background: #fff;
        color: var(--govuk-blue);
        border-color: var(--govuk-blue)
    }

    button:focus, input:focus, select:focus {
        outline: 3px solid var(--focus);
        outline-offset: 1px
    }

.result {
    display: block; /* <-- this fixes it */
    width: 100%;
    margin-top: 10px;
    padding: 10px;
    border-left: 4px solid var(--govuk-green);
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 8px;
}

small.hint {
    color: var(--govuk-muted);
    display: block;
    margin-top: 4px
}

.foot {
    margin-top: 30px;
    color: var(--govuk-muted);
    font-size: 14px
}

a {
    color: var(--govuk-blue)
}

input[type=date] {
    width: 100%;
    padding: 10px;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: #fff
}