app.sixfold.org/www/assets/css/core.css

/* ====== START reset ======
Based on ["A (more) Modern CSS Reset"](https://piccalil.li/blog/a-more-modern-css-reset/) by Andy Bell

Used under [CC BY 3.0](http://creativecommons.org/licenses/by/3.0/)
*/

*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    -moz-text-size-adjust: none;
    -webkit-text-size-adjust: none;
    text-size-adjust: none;
}

body,
h1,
h2,
h3,
h4,
h5,
h6,
p,
figure,
blockquote {
    margin: 0;
}

/* Remove list styles, but maintain semantics in VoiceOver */
ul[role='list'],
ol[role='list'] {
    list-style: none;
}

body {
    min-height: 100vh;
    line-height: 1.4;
}

section,
main>header {
    margin: 0 auto;
    max-width: 60rem;
}

/* Avoid orphans in headings */
h1,
h2,
h3,
h4 {
    text-wrap: balance;
}

a {
    text-decoration-skip-ink: auto;
}

/* Make images easier to work with */
img,
picture {
    max-width: 100%;
    height: auto;
    display: block;
}

/* Inherit fonts for inputs and buttons */
input,
button,
textarea,
select {
    font-family: inherit;
    font-size: inherit;
}

/* Anything that has been anchored to should have extra scroll margin */
:target {
    scroll-margin-block: 1ex;
}

/* ====== START good content ====== */

/* @link https://utopia.fyi/type/calculator?c=320,16,1.2,1440,20,1.25,6,2,&s=0.75|0.5|0.25,1.5|2|3|4|6,s-l&g=s,l,xl,12 */

:root {
    /* Step -2: 11.1111px → 12.8px */
    --step--2: clamp(0.6944rem, 0.6643rem + 0.1508vw, 0.8rem);
    /* Step -1: 13.3333px → 16px */
    --step--1: clamp(0.8333rem, 0.7857rem + 0.2381vw, 1rem);
    /* Step 0: 16px → 20px */
    --step-0: clamp(1rem, 0.9286rem + 0.3571vw, 1.25rem);
    /* Step 1: 19.2px → 25px */
    --step-1: clamp(1.2rem, 1.0964rem + 0.5179vw, 1.5625rem);
    /* Step 2: 23.04px → 31.25px */
    --step-2: clamp(1.44rem, 1.2934rem + 0.733vw, 1.9531rem);
    /* Step 3: 27.648px → 39.0625px */
    --step-3: clamp(1.728rem, 1.5242rem + 1.0192vw, 2.4414rem);
    /* Step 4: 33.1776px → 48.8281px */
    --step-4: clamp(2.0736rem, 1.7941rem + 1.3974vw, 3.0518rem);
    /* Step 5: 39.8131px → 61.0352px */
    --step-5: clamp(2.4883rem, 2.1094rem + 1.8948vw, 3.8147rem);
    /* Step 6: 47.7757px → 76.2939px */
    --step-6: clamp(2.986rem, 2.4767rem + 2.5463vw, 4.7684rem);
}

.flow>*+* {
    margin-block-start: var(--flow-space, 1em);
}

blockquote {
    padding-inline-start: 1em;
    border-inline-start: 0.3em solid;
    font-style: italic;
    font-size: var(--step-1);
}

h1 {
    font-size: var(--step-4);
}

h2 {
    font-size: var(--step-3);
}

h3 {
    font-size: var(--step-2);
}

:is(h1, h2, h3, blockquote) {
    --flow-space: 1.5em;
}

:is(h1, h2, h3)+* {
    --flow-space: 0.5em;
}


main>* {
    max-width: 60rem;
    margin-inline: auto;
}

a {
    text-underline-offset: 0.3ex;
    position: relative;
}

a:hover {
    text-decoration-thickness: 0.3ex;
}

a:active {
    text-decoration-thickness: 0.1ex;
}

/* ====== START project styles ====== */
:root {
    --color-background: linen;
    --color-foreground: black;
    --color-accent: darkolivegreen;
    --color-link: midnightblue;
    --color-link-visited: rebeccapurple;
    --color-link-active: darkred;
    --color-mark: coral;
    --color-mark: lightsalmon;

    color-scheme: light;
    accent-color: darkolivegreen;

    --font-sans-serif: -apple-system, BlinkMacSystemFont, avenir next, avenir, segoe ui, helvetica neue, helvetica, Cantarell, Ubuntu, roboto, noto, arial, sans-serif;
    --font-serif: Iowan Old Style, Apple Garamond, Baskerville, Times New Roman, Droid Serif, Times, Source Serif Pro, serif, Apple Color Emoji, Segoe UI Emoji, Segoe UI Symbol;
    --font-mono: Menlo, Consolas, Monaco, Liberation Mono, Lucida Console, monospace;
}

:focus {
    outline: 0.125rem dashed var(--color-foreground);
    outline-offset: 0.125em;
}

html {
    box-sizing: inherit;
    word-wrap: break-word;
    -ms-hyphens: auto;
    hyphens: auto;
}

body {
    padding: 0 2rem;
    background-color: var(--color-background);
    color: var(--color-foreground);
    font-family: var(--font-serif);
    font-size: var(--step-0);
}

a {
    color: var(--color-link);
}

a:visited {
    color: var(--color-link-visited);
}

a:active {
    color: var(--color-link-active);
}

[aria-current="page"] {
    border-block-end-color: var(--color-accent);
}

mark {
    padding: 0 0.125em;
    background-color: var(--color-mark);
    color: black;
}

body>header {
    padding: 2rem 0;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-around;
    gap: 1.5rem;
}

body>header:nth-child(2) a:first-child {
    width: 15rem;
    height: auto;
}

body>header nav {
    margin: auto 0;
    font-size: 1.375rem;
}

body>header ul {
    margin: 0;
    padding: 0;
    vertical-align: middle;
}

body>header li,
body>footer li {
    display: inline;
    vertical-align: middle;
}

body>header li+li::before {
    content: "•";
    font-size: 1em;
    margin-left: 0.1875em;
    margin-right: 0.1875em;
    position: relative;
    top: -0.0625em;
}

body>header a {
    text-decoration: none;
    color: currentColor !important;
    border: 0.25em solid transparent;
}

body>header a:hover {
    border-block-end-color: var(--color-accent);
    ;
}

hr {
    margin: 1.5em auto;
    width: 50%;
    border-color: var(--color-foreground);
}

dt {
    font-weight: 700;
}

aside.alert,
[data-game-status="0"] [data-status="0"],
[data-game-status="1"] [data-status="1"],
[data-game-status="2"] [data-status="2"],
[data-game-status="3"] [data-status="3"],
[data-game-status="7"] [data-status="7"],
[data-game-status="8"] [data-status="8"],
[data-game-status="9"] [data-status="9"] {
    padding: 1em 2em;
    border: 0.125em solid currentColor;
    border-radius: 0.25em;
    background-color: var(--color-mark, Mark);
    color: MarkText;
}

a.call-to-action {
    color: black !important;
    background: gainsboro;
    padding: 0.125em 0.375em;
    display: inline-block;
    font-variant: small-caps;
    text-decoration: none;
    border: 0.0625em solid currentColor;
    font-size: 0.9em;
}

a.call-to-action:hover,
a.call-to-action:focus {
    background: yellowgreen;
}

a.call-to-action::after {
    content: " →";
}

.sr-only {
    border: 0 !important;
    clip: rect(1px, 1px, 1px, 1px) !important;
    -webkit-clip-path: inset(50%) !important;
    clip-path: inset(50%) !important;
    height: 1px !important;
    overflow: hidden !important;
    margin: -1px !important;
    padding: 0 !important;
    position: absolute !important;
    width: 1px !important;
    white-space: nowrap !important;
}

.social-media {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
}

.social-media a {
    display: inline-block;
    width: 1.75rem;
    height: 1.75rem;
    font-size: 0;
}

.social-media a {
    color: inherit;
}

.social-media a:hover {
    color: var(--color-accent);
}

.social-media a svg+span {
    display: none
}

.social-media a:hover {
    transform: scale(1.1);
}

.social-media a:active {
    transform: scale(0.9);
}

svg {
    fill: currentColor;
    width: 100%;
}

nav[aria-labelledby="breadcrumb-heading"] ul {
    margin: 0 0 0.5em 0;
    padding: 0;
}

nav[aria-labelledby="breadcrumb-heading"] li {
    display: inline-block;
}

nav[aria-labelledby="breadcrumb-heading"] li::after {
    --breadcrumb-arrow-size: .4em;
    display: inline-block;
    margin: 0 0.125em;
    content: "";
    width: 0;
    height: 0;
    border-top: var(--breadcrumb-arrow-size) solid transparent;
    border-bottom: var(--breadcrumb-arrow-size) solid transparent;
    border-left: var(--breadcrumb-arrow-size) solid currentColor;
}

nav[aria-labelledby="breadcrumb-heading"] li:last-child::after {
    content: unset;
}

nav[aria-labelledby="breadcrumb-heading"] a {
    color: currentColor;
}

[aria-label="Skip links"] {
    position: absolute;
    inset-inline: 0;
    inset-block-start: -100%;
    padding: 0.5em;
    background: Canvas;
    box-shadow: 0 0 0.5em 0 CanvasText;
    z-index: 10;
    font-size: 0.9rem;
}

[aria-label="Skip links"]:focus-within {
    inset-block-start: 0%;
}

[aria-label="Skip links"] ul {
    margin: 0;
    padding: 0;
}

[aria-label="Skip links"] li {
    display: inline;
}

[aria-label="Skip links"] li+li {
    margin-inline-start: 0.5em;
}

[aria-label="Skip links"] a {
    color: CanvasText;
}

footer {
    margin: 2rem auto 0 auto;
    padding: 1rem 0;
    max-width: 75rem;
    border-block-start: 0.25rem double currentColor;
    font-size: 0.9rem;
    text-align: center;
    clear: both;
}

footer ul {
    padding: 0;
}

body>footer nav li+li::before {
    content: "•";
    font-size: 1em;
    margin-left: 0.375em;
    margin-right: 0.375em;
    position: relative;
    top: 0.0625em;
}

footer nav a {
    color: inherit !important;
}

footer>p:last-child a {
    margin: auto;
    display: block;
    width: 3rem;
    font-size: 0;
    color: inherit;
}

label {
    display: block;
    font-variant: small-caps;
}

input[type='radio']+label {
    display: initial;
}

label>span {
    margin-block-end: 0.125em;
    display: block;
}

input[type="checkbox"]+span,
input[type="radio"]+span {
    vertical-align: middle;
    font-variant: normal;
    display: inline;
}

label:has(select) span+span {
    display: inline-block;
    position: relative;
}

label:has(select) span+span::after {
    display: block;
    inset-block-start: 50%;
    inset-inline-end: 0.75em;
    transform: translateY(-50%);
    font-style: normal;
    position: absolute;
    content: "▼";
    font-size: 0.8rem;
    line-height: 1;
    z-index: 0;
    color: inherit;
}

select {
    padding: .125em 2em .125em .5em;
    border: .0625em solid currentColor;
    color: CanvasText;
    background-color: Canvas;
    --webkit-appearance: none;
    appearance: none;
    border-radius: 0.25em;
}

input[type='text'],
input[type='password'] {
    width: 100%;
    max-width: 30ch;
}

input,
textarea {
    padding: .25em .5em;
    border: 0.0625em solid currentColor;
    color: var(--color-foreground);
    border-radius: 0.25em;
}

textarea {
    width: 100%;
    resize: vertical;
    min-height: 10ch;
    border-radius: 0;
}

button {
    padding: .375em .625em;
    background-color: var(--color-accent, ButtonFace);
    color: var(--color-background, ButtonText);
    border-radius: 0 0.25em 0 0.25em;
    border: 0.0625em solid var(--color-foreground, ButtonBorder);
    font-variant: small-caps;
    box-shadow: 0.1875em 0.1875em 0 0 var(--color-foreground, ButtonText);
}


button:focus {
    box-shadow: none;
}

button:active {
    position: relative;
    inset-inline-start: 0.1875em;
    inset-block-start: 0.1875em;
    box-shadow: inset 0 0 0.375em black;
}

button:disabled {
    background-color: black;
    color: GrayText;
    cursor: not-allowed;
    text-decoration: line-through;
}

pre {
    overflow: auto;
}

pre.code {
    background-color: CanvasText;
    color: Canvas;
    padding: 0.375em 0.625em;
    border-radius: 0.375em;
    border: 0.0625em solid currentColor;
    box-shadow: 0 0 0.375em 0.0625em inset currentColor;
}

code {
    background-color: CanvasText;
    color: Canvas;
    padding: 0.0625em 0.375em;
    border-radius: 0.375em;
    border: 0.0625em solid currentColor;
    white-space: normal;
    word-break: break-all;
    font-size: 0.9em;
}

code a {
    color: currentColor !important;
    text-decoration-color: currentColor;
}

/* === Tables === */
tbody a {
    color: inherit;
}

/* Standard Tables */
table {
    margin: 1em -0.125em;
    border-collapse: collapse;
    border: 0.1875em solid ButtonBorder;
    min-width: 40em;
    width: 100%;
    color: CanvasText;
}

caption {
    text-align: left;
    font-style: italic;
    padding: 0.5em;
}

th,
td {
    padding: 0.25em 0.5em 0.25em 1em;
    vertical-align: text-top;
    text-align: left;
    text-indent: -0.5em;
}

tr {
    color: inherit;
    border-block-start: 0.0625em solid GrayText;
}

tbody tr:last-child {
    border-block-end: 0.0625em solid GrayText;
}

th+th,
th+td,
td+td {
    border-inline-start: 0.0625em solid GrayText;
}

caption {
    background-color: Canvas;
    color: CanvasText;
}

th[scope="col"] {
    vertical-align: bottom;
}

tbody tr:nth-child(even) {
    background-color: rgba(255, 255, 255, 0.2);
}

tfoot tr,
tfoot th[scope="row"] {
    background-color: CanvasText;
    color: Canvas;
}

tfoot td {
    border-color: Canvas;
}


/* Responsive Tables with Sticky Headers
Via Adrian Roselli
https://adrianroselli.com/2020/11/under-engineered-responsive-tables.html
https://adrianroselli.com/2020/01/fixed-table-headers.html
*/
[role="region"][aria-labelledby][tabindex] {
    overflow: auto;
    border: 0.1em solid GrayText;
}

[role="region"][aria-labelledby][tabindex]:focus {
    box-shadow: 0 0 0.5em rgba(0, 0, 0, 0.5);
    outline: 0.1em solid rgba(0, 0, 0, 0.1);
}

[role="region"][aria-labelledby][tabindex] table {
    margin: 0;
    border: none;
}

/* Scrolling Visual Cue */
[role="region"][aria-labelledby][tabindex] {
    background: linear-gradient(to right, Canvas 30%, rgba(255, 255, 255, 0)), linear-gradient(to right, rgba(255, 255, 255, 0), Canvas 70%) 0 100%, radial-gradient(farthest-side at 0% 50%, rgba(0, 0, 0, 0.2), rgba(0, 0, 0, 0)), radial-gradient(farthest-side at 100% 50%, rgba(0, 0, 0, 0.2), rgba(0, 0, 0, 0)) 0 100%;
    background-repeat: no-repeat;
    background-color: Canvas;
    background-size: 40px 100%, 40px 100%, 14px 100%, 14px 100%;
    background-position: 0 0, 100%, 0 0, 100%;
    background-attachment: local, local, scroll, scroll;
}

/* Fixed Headers */
th {
    position: sticky;
    inset-block-start: 0;
    z-index: 2;
    background-color: Canvas;
    color: CanvasText;
}

th[scope="row"] {
    position: sticky;
    inset-inline-start: 0;
    z-index: 1;
    vertical-align: top;
}

th[scope="row"]::after {
    content: "";
    position: absolute;
    inset-inline-end: -0.0625em;
    inset-block: 0;
    border-inline-end: 0.0625em solid GrayText;
}

th[scope="col"]:first-child::after {
    content: "";
    position: absolute;
    inset-inline-end: -0.0625em;
    inset-block: 0;
    border-inline-end: 0.0625em solid GrayText;
}

th:not([scope="row"]):first-child {
    /*   left: 0; */
    inset-inline-start: 0;
    z-index: 3;
}

/* ====== page-specific styles ====== */
.highlight {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5em;
    max-width: unset;
    background-color: var(--color-mark);
    color: black;
    position: relative;
    margin-inline-start: -2rem;
    padding: 3rem;
    width: calc(100% + 4rem);
    box-shadow: 0 0 0.5em 0.125em currentColor inset;
}

.highlight a {
    color: inherit;
}

.highlight>div {
    flex: 1 1 15rem;
}

.highlight>div:first-child p {
    font-size: var(--step-2);
    max-width: 40ch;
}

#recent-issues {
    flex-basis: 15rem;
    text-align: center;
}

#recent-issues>*+* {
    margin-block-start: 1em;
}

#recent-issues>div:first-of-type {
    position: relative;
}

#recent-issues>div picture {
    display: inline-block;
    position: relative;
}

#recent-issues>div picture:first-child {
    transform: rotate(-6deg) translateX(-50%);
    z-index: 20;
    position: absolute;
    inset-inline-start: 42%;
    inset-block-end: 1em;
}

#recent-issues>div picture:nth-child(2) {
    z-index: 10;
    inset-block-end: 0.25em;
    transform: rotate(3deg);
}

#recent-issues>div picture:nth-child(3) {
    position: absolute;
    inset-inline-start: 50%;
    transform: rotate(9deg);
}

#recent-issues>p:first-of-type {
    margin-block-start: 0.5em;
}

[aria-labelledby="swatches-caption"] td {
    width: 5rem;
    height: 5rem;
    background-color: currentColor;
    font-size: 0;
}

#masthead ul span {
    font-weight: bold;
}

.patrons {
    padding: 0;
    list-style: none;
    columns: 3;
    font-style: italic;
}

.cover {
    border: 0.0625em solid GrayText;
    border-radius: 0.1875em;
    box-shadow: 0 0 1em -0.5em CanvasText;
    background-color: var(--color-background);
    transition: transform 0.375s;
}

a .cover:hover {
    transform: scale(1.03);
}

a .cover:active {
    transform: scale(1);
}

#issues ol {
    padding: 0;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 2em;
}

#issues li {
    text-align: center;
}

#issues li>a {
    display: inline-block;
    width: 100%;
}

#issues p a {
    text-decoration: none;
    font-weight: 700;
    color: inherit;
}

@supports (display: grid) {
    #issues ol {
        display: grid;
        grid-template-columns: repeat(auto-fill, minmax(11rem, 1fr));
        gap: 2em;
    }
}

#issues li.legacy-issue>a {
    padding-block-start: 3em;
}

#issues .legacy-issue picture:first-child {
    width: 60%;
    position: relative;
    inset-block-start: -3em;
}

#issues .legacy-issue picture:nth-child(2) {
    position: absolute;
    width: 60%;
    inset-block-end: 0;
    inset-inline-end: 0;
}

.issue>header~div,
.issue-legacy>header~div>div {
    display: flex;
    flex-wrap: wrap;
    gap: 1.25em;
}

.issue-legacy>header~div>div {
    gap: 1em;
    justify-content: space-between;
}

.issue>header~div>div h2 {
    flex-basis: 100%;
}

#toc dd {
    font-style: italic;
}

.step-by-step-guide #toc~section {
    counter-increment: item;
}

.step-by-step-guide #toc~section h2::before {
    content: counter(item) ".";
    margin-inline-end: 0.25em;
    font-size: 0.625em;
}