:root {
    --color-app-background: #F8F8FC;
    --color-form-field-background: #F2F3FA;

    --color-neutral-white: #fff;
    --color-neutral-text: #333;
    --color-neutral-disabled: #888;
    --color-neutral-pure-black: #000;

    --color-primary-default: #5F2EEA;
    --color-primary-darker: #330098;

    --color-error-foreground: #7e0007;
    --color-error-background: #ffedea;

    --max-container-width: 700px;
    --thin-border: 1px solid rgb(0 0 0 / 0.1);
    --box-shadow: 2px 4px 10px 0 rgba(0, 0, 0, 0.05);

    --border-radius-lg: 16px;
    --border-radius-md: 8px;
    --border-radius-sm: 4px;

    --font-weight-normal: 500;
    --font-weight-medium: 650;

    --form-field-max-width: 400px;

    --body-text-font-size: 14.5px;
    --body-text-letter-spacing: 0.1px;
}
@font-face{
    font-family: 'Montserrat';
    font-weight: 100 900;
    font-style: normal;
    font-stretch: normal;
    src: url('/calorische-gaswaarden/assets/Montserrat-79DQoS3D.woff2') format('woff2-variations');
}
*,
*::before,
*::after {
    box-sizing: border-box;
}
* {
    margin: 0;
}
html {
    color: var(--color-neutral-text);
    background-color: var(--color-app-background);
}
img,
picture,
video,
canvas,
svg {
    display: block;
    max-width: 100%;
}
*[aria-hidden="true"] {
    display: none;
}
body {
    font-family: "Montserrat", sans-serif;
    /* Montserrat does have a very large x-height, so 14.5px is way larger than you think */
    font-size: var(--body-text-font-size);
    line-height: 1.6;
    font-variant-numeric: tabular-nums;
    /* we need this because otherwise will mobile webkit derived browsers attempt to do funky text upscaling */
    -webkit-text-size-adjust: 100%;
    -webkit-font-smoothing: antialiased;
}
body,
p,
span,
input,
details,
summary {
    /* Montserrat defines its "normal" weight (400) to be quite thin, which is why we bump up the default */
    font-weight: var(--font-weight-normal);
    /* Montserrat is also badly tracked for text purposes */
    letter-spacing: var(--body-text-letter-spacing);
}
h1,
h2,
h3 {
    font-weight: var(--font-weight-medium);
}
h1 {
    text-align: center;
    font-size: 24px;
    line-height: 1.4;
    margin-bottom: 8px;
}
h2 {
    font-size: 18px;
    line-height: 1.2;
}
h3 {
    font-size: var(--body-text-font-size);
}
a {
    letter-spacing: 0;
    font-weight: var(--font-weight-medium);
    color: var(--color-primary-default);
}
.allcaps {
    font: inherit;
    letter-spacing: 0.6px;
    font-variant-numeric: tabular-nums;
}
body {
    padding: 8px;
}
@media (min-width: 600px) {
    body {
        padding: 16px;
    }
}
form {
    display: flex;
    flex-direction: column;
    row-gap: 32px;
    background: var(--color-neutral-white);
    max-width: var(--max-container-width);
    margin: 32px auto;
    padding: 16px 8px;
    border-radius: var(--border-radius-lg);
    border: var(--thin-border);
    box-shadow: var(--box-shadow);
}
@media (min-width: 600px) {
    form {
        padding: 24px 16px;
    }
}
section-header {
    display: block;
}
section-header > span {
    font-size: 13px;
    font-weight: 550;
}
section-header > span > span {
    letter-spacing: 1.5px;
    font-variant-numeric: oldstyle-nums;
}
#time-period > div {
    display: flex;
    flex-wrap: wrap;
    row-gap: 16px;
    column-gap: 32px;
    margin: 16px 0 32px 0;
}
#time-period section-header,
#time-period details {
    grid-column: 1 / -1;
}
#time-period[aria-hidden=true],
#time-period > div > div[aria-hidden=true] {
    display: none;
}
#time-period > div > div {
    margin-top: 8px;
    display: grid;
    grid-template-columns: 96px 128px;
    column-gap: 16px;
}
footer {
    display: flex;
    align-content: center;
    align-items: center;
    flex-wrap: wrap;
    justify-content: center;
    padding: 48px 16px 32px 16px;
    gap: 24px;
    margin: 0 auto;
    opacity: 0.5;
}
footer > img {
    height: 100%;
    max-height: 36px;
    width: auto;
}
#intro p + p {
    margin-top: 0.5rem;
}
input,
button,
select,
option {
    font: inherit;
}
/* details/summary */
details {
    border: var(--thin-border);
    border-radius: var(--border-radius-sm);
    padding: 4px 8px;
    margin-top: 16px;
}
summary {
    font-size: 14px;
    font-weight: var(--font-weight-medium);
    color: var(--color-primary-default);
    cursor: pointer;
}
details > div {
    padding: 8px;
}
details > div > p + h3 {
    margin-top: 16px;
}
details > div > p + p {
    margin-top: 8px;
}
/* radio groups */
ul {
    list-style: none;
    padding-left: 4px;
    display: flex;
    flex-direction: column;
    row-gap: 12px;
    margin: 12px 0 8px 0;
}
li > label {
    display: grid;
    grid-template-columns: 16px auto;
    align-items: center;
    cursor: pointer;
    gap: 8px;
    width: 100%;
}
li > label,
li > label span {
    font-weight: var(--font-weight-normal);
}
li > label:has(input[type="radio"]:checked) > span {
    color: var(--color-primary-default);
    font-weight: var(--font-weight-medium);
}
input[type="radio"] {
    display: inline-grid;
    appearance: none;
    margin: 0;
    border: 1.5px solid var(--color-primary-default);
    border-radius: 50%;
    height: 1rem;
    width: 1rem;
    cursor: pointer;
}
input[type="radio"]:checked::before {
    content: "";
    width: 0.55rem;
    height: 0.55rem;
    background-color: var(--color-primary-default);
    margin: auto;
    border-radius: 50%;
}
/* submit button */
button[type="submit"] {
    appearance: none;
    display: block;
    text-decoration: none;
    border: none;
    color: var(--color-neutral-white);
    font: inherit;
    letter-spacing: 0.2px;
    font-weight: var(--font-weight-medium);
    text-align: center;
    cursor: pointer;
    border-radius: 8px;
    padding: 16px 24px;
    background-color: var(--color-primary-default);
    height: fit-content;
    width: fit-content;
    margin-top: 40px;
}
button[type="submit"][aria-hidden="true"] {
    display: none;
}
button[type="submit"]:hover {
    background-color: var(--color-primary-darker);
}
button[type="submit"]:disabled,
button[type="submit"]:disabled:hover {
    background-color: var(--color-neutral-disabled);
    cursor: not-allowed;
}
/* text fields */
label {
    display: flex;
    flex-direction: column;
    row-gap: 2px;
}
label span {
    font-weight: var(--font-weight-medium);
}
input[type="text"]{
    border: var(--thin-border);
    background: var(--color-form-field-background);
    border-radius: var(--border-radius-sm);
    padding: 8px;
    width: 100%;
    max-width: var(--form-field-max-width);
}
input[type="text"]:focus {
    outline: none;
    border-color: var(--color-primary-default);
    border-width: 2px;
}
input[type="text"]:user-invalid {
    border-color: var(--color-error-foreground);
    background-color: var(--color-error-background);
    border-width: 2px;
}
input[name="postcode"],
input[name="connectionEan18"],
input[name="gridAreaEan18"] {
    text-transform: uppercase;
    letter-spacing: 1px;
}
input[name="connectionEan18"]::placeholder,
input[name="gridAreaEan18"]::placeholder {
    text-transform: none;
    letter-spacing: var(--body-text-letter-spacing);
}
#address-fields > div {
    display: grid;
    column-gap: 16px;
    grid-template-columns: 1fr 1fr 1fr;
    max-width: var(--form-field-max-width);
}
/* error messages */
ul.error-messages {
    color: var(--color-error-foreground);
    background: var(--color-error-background);
    padding: 8px;
    border: var(--thin-border);
    border-radius: var(--border-radius-sm);
    border-color: var(--color-error-foreground);
    row-gap: 8px;
    margin-top: 24px;
}
ul.error-messages + ul.error-messages {
    margin-top: 16px;
}
ul.error-messages:empty {
    display: none;
}
/* date dropdowns */
label.select > span:first-child {
    font-size: 13px;
}
label.select > span:last-child {
    display: grid;
    grid-template-areas: "select";
    align-items: center;
}
label.select > span > select {
    grid-area: select;
}
label.select > span > img {
    height: 2rem;
    width: 2rem;
    grid-area: select;
    justify-self: end;
    padding-right: 8px;
    pointer-events: none;
}
label select {
    appearance: none;
    font-weight: var(--font-weight-normal);
    background: var(--color-form-field-background);
    height: 40px;
    cursor: pointer;
    outline: none;
    border: var(--thin-border);
    border-radius: var(--border-radius-sm);
    padding: 0 8px;
}
label select:focus {
    border-color: var(--color-primary-default);
    border-width: 2px;
}
/** server response error messages */
#api-response-errors {
    border: var(--thin-border);
    border-radius: var(--border-radius-sm);
    padding: 8px;
    border-color: var(--color-error-foreground);
    color: var(--color-error-foreground);
    background: var(--color-error-background);
    display: flex;
    column-gap: 8px;
    align-items: center;
}
#api-response-errors[aria-hidden="true"] {
    display: none;
}