/* Styles for the docs pages. The sidebar has its own styles in sidebar.css, which uses the colors defined here. */

@font-face {
    font-family: gitlab-sans;
    src: url(GitLabSans.ttf);
    font-display: fallback;
}

/* ===== Colors and sizes ===== */

:root {
    color-scheme: dark;

    --bg: #1b1c1f;
    --surface: #212327;
    --surface-raised: #2a2d33;
    --code-bg: rgba(255, 255, 255, 0.035);
    --hover-bg: rgba(255, 255, 255, 0.045);

    --border: rgba(255, 255, 255, 0.08);
    --border-strong: rgba(255, 255, 255, 0.15);

    --text: #e6e9ee;
    --text-muted: #a2a9b4;
    --text-faint: #6e7581;

    --accent: #8cb8ff;
    --accent-bg: rgba(140, 184, 255, 0.12);
    --accent-strong: #3466b0;
    --error: #ff8a8a;
    --warn-text: #ffd27f;
    --warn-bg: rgba(255, 200, 80, 0.08);

    --input-bg: rgba(255, 255, 255, 0.04);
    --button-hover: #353941;
    --selection: rgba(140, 184, 255, 0.3);
    --scrollbar: rgba(255, 255, 255, 0.18);
    --scrollbar-hover: rgba(255, 255, 255, 0.3);
    --code-text: #d4d4d4;

    /* Code colors, from VS Code's dark theme */
    --tok-comment: #6a9955;
    --tok-string: #ce9178;
    --tok-number: #b5cea8;
    --tok-keyword: #569cd6;
    --tok-control: #c586c0;
    --tok-function: #dcdcaa;
    --tok-class: #4ec9b0;
    --tok-variable: #9cdcfe;
    --tok-tag: #569cd6;
    --tok-attribute: #9cdcfe;
    --tok-punctuation: #808080;

    --font-sans: gitlab-sans, system-ui, -apple-system, "Segoe UI", sans-serif;
    --font-mono: Consolas, "SF Mono", Menlo, "Liberation Mono", monospace;

    --radius: 8px;
    --radius-small: 5px;
}

/* The light theme, picked with the button at the bottom of the sidebar (see docsSetTheme in build-tables.js). The game
   areas stay dark either way, since games draw their own colors. */
:root[data-theme="light"] {
    color-scheme: light;

    --bg: #ffffff;
    --surface: #f5f6f8;
    --surface-raised: #ffffff;
    --code-bg: #f6f7f9;
    --hover-bg: rgba(0, 0, 0, 0.045);
    --input-bg: #ffffff;
    --button-hover: #e9ecf1;
    --selection: rgba(37, 99, 201, 0.2);

    --border: rgba(0, 0, 0, 0.1);
    --border-strong: rgba(0, 0, 0, 0.18);
    --scrollbar: rgba(0, 0, 0, 0.2);
    --scrollbar-hover: rgba(0, 0, 0, 0.35);

    --text: #1d2026;
    --text-muted: #4d5562;
    --text-faint: #7c8491;
    --code-text: #24292f;

    --accent: #2563c9;
    --accent-bg: rgba(37, 99, 201, 0.1);
    --accent-strong: #2f63b8;
    --error: #c62828;
    --warn-text: #8a5a00;
    --warn-bg: rgba(255, 190, 60, 0.15);

    /* Code colors, from VS Code's light theme */
    --tok-comment: #008000;
    --tok-string: #a31515;
    --tok-number: #098658;
    --tok-keyword: #0000ff;
    --tok-control: #af00db;
    --tok-function: #795e26;
    --tok-class: #267f99;
    --tok-variable: #001080;
    --tok-tag: #800000;
    --tok-attribute: #e50000;
    --tok-punctuation: #6e7681;
}

/* Printing always uses the light colors, so it doesn't use up ink */
@media print {
    :root, :root[data-theme="light"] {
        color-scheme: light;

        --bg: #ffffff;
        --surface: #f5f6f8;
        --surface-raised: #ffffff;
        --code-bg: #f6f7f9;
        --hover-bg: rgba(0, 0, 0, 0.045);
        --input-bg: #ffffff;
        --button-hover: #e9ecf1;
        --selection: rgba(37, 99, 201, 0.2);

        --border: rgba(0, 0, 0, 0.1);
        --border-strong: rgba(0, 0, 0, 0.18);
        --scrollbar: rgba(0, 0, 0, 0.2);
        --scrollbar-hover: rgba(0, 0, 0, 0.35);

        --text: #1d2026;
        --text-muted: #4d5562;
        --text-faint: #7c8491;
        --code-text: #24292f;

        --accent: #2563c9;
        --accent-bg: rgba(37, 99, 201, 0.1);
        --accent-strong: #2f63b8;
        --error: #c62828;
        --warn-text: #8a5a00;
        --warn-bg: rgba(255, 190, 60, 0.15);

        /* Code colors, from VS Code's light theme */
        --tok-comment: #008000;
        --tok-string: #a31515;
        --tok-number: #098658;
        --tok-keyword: #0000ff;
        --tok-control: #af00db;
        --tok-function: #795e26;
        --tok-class: #267f99;
        --tok-variable: #001080;
        --tok-tag: #800000;
        --tok-attribute: #e50000;
        --tok-punctuation: #6e7681;
    }
}

/* ===== Page layout ===== */

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

html {
    /* Keeps the same space for the scrollbar on every page, so short pages without one don't shift sideways */
    scrollbar-gutter: stable;
}

body {
    margin: 0;
    background-color: var(--bg);
    color: var(--text);
    font-family: var(--font-sans);
}

::selection {
    background-color: var(--selection);
}

:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

/* Thin, dark scrollbars everywhere: the page, the sidebar, search results, code blocks, and demo editors.
   Firefox and Chrome use scrollbar-width and scrollbar-color. Safari only understands the ::-webkit-scrollbar rules. */
* {
    scrollbar-width: thin;
    scrollbar-color: var(--scrollbar) transparent;
}

*:hover {
    scrollbar-color: var(--scrollbar-hover) transparent;
}

::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    /* The see-through border makes the thumb look thinner than the space it takes, with room around it */
    border: 3px solid transparent;
    border-radius: 10px;
    background-color: var(--scrollbar);
    background-clip: padding-box;
}

::-webkit-scrollbar-thumb:hover {
    background-color: var(--scrollbar-hover);
}

::-webkit-scrollbar-corner {
    background: transparent;
}

.screen {
    display: flex;
    width: 100%;
    min-height: 100vh;
}

.page-centerer {
    display: flex;
    justify-content: center;
    width: 100%;
    min-width: 0; /* Lets long code blocks scroll instead of making the page wider */
}

.page {
    width: min(1000px, 100%);
    padding: 40px 50px 32px;
    font-size: 16px;
    line-height: 1.7;
}

.page * {
    margin: 0;
    font-family: var(--font-sans);
}

/* ===== Text ===== */

/* The line above the title showing where the page is, like "Docs › Code › Draw" (filled in by page.js) */
.page .breadcrums {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 7px;
    margin-bottom: 4px;
    color: var(--text-faint);
    font-size: 14px;
}

.page .breadcrums a {
    color: var(--text-muted);
    text-decoration: none;
}

.page .breadcrums a:hover {
    color: var(--accent);
}

.page .breadcrums .breadcrumb-current {
    color: var(--text-muted);
}

/* Previous and next page links at the bottom (added by page.js) */
.page .page-nav {
    display: flex;
    gap: 16px;
    margin-top: 64px;
}

.page .page-nav-link {
    display: flex;
    flex-direction: column;
    gap: 2px;
    width: calc(50% - 8px);
    padding: 12px 16px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    color: var(--text);
    text-decoration: none;
    transition: border-color 0.15s, background-color 0.15s;
}

.page .page-nav-link:hover {
    border-color: rgba(140, 184, 255, 0.45);
    background-color: var(--hover-bg);
}

.page .page-nav-next {
    margin-left: auto;
    align-items: flex-end;
    text-align: right;
}

.page .page-nav-label {
    color: var(--text-faint);
    font-size: 13px;
}

.page .page-nav-title {
    color: var(--accent);
    font-size: 16px;
}

.page .page-nav-section {
    color: var(--text-muted);
}

.page .page-nav + .copyright {
    margin-top: 32px;
}

.page h1, .page h2, .page h3 {
    color: var(--text);
    line-height: 1.2;
    letter-spacing: -0.01em;
}

.page h1 {
    font-size: 40px;
}

.page h2 {
    font-size: 28px;
    margin-top: 48px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--border);
}

.page h3 {
    font-size: 21px;
    margin-top: 32px;
}

.page p {
    margin-top: 1.1rem;
    overflow-wrap: break-word;
}

.page h2 + p, .page h3 + p {
    margin-top: 0.8rem;
}

.page a {
    color: var(--accent);
    text-underline-offset: 2px;
}

.page ul, .page ol {
    margin-top: 0.8rem;
    padding-left: 25px;
}

.page li + li {
    margin-top: 2px;
}

/* Code inside sentences, and the parameter names in method details */
.page p code, .page li code, .page .method-info code, .methods-grid code.outline {
    padding: 1px 5px;
    border-radius: var(--radius-small);
    border: 1px solid var(--border);
    background-color: var(--code-bg);
    font-family: var(--font-mono);
    font-size: 0.88em;
}

/* Code inside a code block is just text, not a little box like code in a sentence */
.page pre code, .page .method-info pre code {
    padding: 0;
    border: none;
    border-radius: 0;
    background: none;
    font-size: inherit;
}

/* Code that links to a method or class */
.page a.cross-link {
    color: inherit;
    text-decoration: none;
}

.page a.cross-link code {
    color: var(--accent);
}

.page a.cross-link:hover code {
    border-color: rgba(140, 184, 255, 0.4);
    background-color: var(--accent-bg);
}

.copyright {
    margin-top: 64px;
    padding-top: 16px;
    border-top: 1px solid var(--border);
    color: var(--text-faint);
    font-size: 13px;
}

/* ===== Code blocks ===== */

.page pre {
    position: relative;
    margin-top: 1rem;
    padding: 36px 16px 14px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    background-color: var(--code-bg);
    color: var(--code-text);
    overflow-x: auto;
    line-height: 1.45;
}

.page pre, .page pre * {
    font-family: var(--font-mono);
    font-size: 14px;
}

/* The language name at the top of each code block */
.page .code-language {
    position: absolute;
    top: 9px;
    left: 16px;
    z-index: 2;
    color: var(--text-faint);
    font-family: var(--font-sans) !important;
    font-size: 12px !important;
    pointer-events: none;
    user-select: none;
}

/* Small buttons, like Copy and the demo buttons */
.page pre .copy-button, .page .demo-bar button, .page .demo-touch-key {
    border-radius: 6px;
    border: 1px solid var(--border-strong);
    background-color: var(--surface-raised);
    color: var(--text);
    font-family: var(--font-sans);
    cursor: pointer;
}

.page pre .copy-button:hover, .page .demo-bar button:hover {
    background-color: var(--button-hover);
}

.page pre .copy-button {
    position: absolute;
    top: 7px;
    right: 8px;
    padding: 2px 10px;
    font-size: 12px;
    opacity: 0;
    transition: opacity 0.15s;
}

.page pre:hover .copy-button, .page pre .copy-button:focus-visible {
    opacity: 1;
}

/* Code colors, like VS Code's dark theme (see syntax.js) */
.page .tok-comment { color: var(--tok-comment); }
.page .tok-string { color: var(--tok-string); }
.page .tok-number { color: var(--tok-number); }
.page .tok-keyword { color: var(--tok-keyword); }
.page .tok-control { color: var(--tok-control); }
.page .tok-function { color: var(--tok-function); }
.page .tok-class { color: var(--tok-class); }
.page .tok-variable { color: var(--tok-variable); }
.page .tok-tag { color: var(--tok-tag); }
.page .tok-attribute { color: var(--tok-attribute); }
.page .tok-punctuation { color: var(--tok-punctuation); }

/* ===== Method tables (see build-tables.js) ===== */

.page .methods-grid {
    width: 100%;
    margin-top: 1rem;
    border-collapse: separate;
    border-spacing: 0;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    line-height: 1.5;
}

.methods-grid th {
    padding: 9px 16px;
    background-color: var(--surface);
    color: var(--text-muted);
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-align: left;
    text-transform: uppercase;
}

/* Both columns start at the top, so a long signature doesn't push its description down into the middle */
.methods-grid td {
    padding: 11px 16px;
    border-top: 1px solid var(--border);
    vertical-align: top;
}

/* A signature too long for one line wraps between its parameters, and the lines after the first are indented a
   little, so it's easy to see they're one signature */
.methods-grid tr.has-dropdown td:first-child, .methods-grid tr.no-dropdown td:first-child {
    position: relative;
    padding-left: calc(31px + 2ch);
    padding-right: 30px;
    text-indent: -2ch;
}

.methods-grid td:first-child {
    width: 55%;
}

.methods-grid td:last-child {
    color: var(--text-muted);
}

.methods-grid td code {
    font-family: var(--font-mono);
    font-size: 14px;
}

.methods-grid td code .optional {
    font-family: var(--font-mono);
    color: var(--text-faint);
}

/* Rows that open: the whole first cell is clickable, with an arrow that turns when it's open */
tr.has-dropdown input[type=checkbox] {
    display: none;
}

tr.has-dropdown label {
    cursor: pointer;
}

/* The arrow sits to the left of the first line */
tr.has-dropdown label::before {
    content: "";
    position: absolute;
    top: 20px;
    left: 16px;
    width: 0;
    height: 0;
    border-top: 4px solid transparent;
    border-bottom: 4px solid transparent;
    border-left: 6px solid var(--text-faint);
    transform: translateY(-1px);
    transition: transform 0.15s;
}

tr.has-dropdown:has(input:checked) label::before {
    transform: translateY(-1px) rotate(90deg);
    border-left-color: var(--accent);
}

tr.has-dropdown:hover {
    background-color: var(--hover-bg);
}

tr.has-dropdown:hover label code, tr.has-dropdown:has(input:checked) label code {
    color: var(--accent);
}

tr.has-dropdown:has(input:checked) {
    background-color: var(--hover-bg);
}

/* Rows without a dropdown get an empty row after them, which is never shown */
tr.no-dropdown + tr {
    display: none;
}

/* The details under an open row */
tr.has-dropdown + tr {
    display: none;
}

tr.has-dropdown:has(input:checked) + tr {
    display: table-row;
}

.methods-grid .method-info {
    padding: 4px 16px 18px 31px;
    border-top: none;
    background-color: var(--hover-bg);
    color: var(--text);
    line-height: 1.7;
}

.methods-grid .method-info b {
    color: var(--text);
}

/* "View engine code": the engine's own code for a method (see page.js) */
.page .method-source {
    margin-top: 2px;
}

.page .method-source summary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--text-muted);
    font-size: 14px;
    cursor: pointer;
    list-style: none;
    user-select: none;
}

.page .method-source summary::-webkit-details-marker {
    display: none;
}

.page .method-source summary::before {
    content: "";
    width: 0;
    height: 0;
    border-top: 4px solid transparent;
    border-bottom: 4px solid transparent;
    border-left: 6px solid currentColor;
    transition: transform 0.15s;
}

.page .method-source[open] summary::before {
    transform: rotate(90deg);
}

.page .method-source summary:hover {
    color: var(--text);
}

.page .method-source-body {
    margin-top: 8px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    background-color: var(--code-bg);
    overflow: hidden;
}

.page .method-source-header {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 4px 16px;
    padding: 7px 14px;
    border-bottom: 1px solid var(--border);
    color: var(--text-faint);
    font-size: 13px;
}

.page .method-source-header span {
    font-family: var(--font-mono);
}

.page .method-source-loading {
    padding: 10px 14px;
    color: var(--text-faint);
    font-size: 14px;
}

.page .method-source-code {
    display: flex;
}

/* The line numbers and the code are two blocks side by side, with the same text layout so the lines match up */
.page .method-source-code pre {
    margin: 0;
    padding: 10px 14px;
    border: none;
    border-radius: 0;
    background: none;
    line-height: 1.45;
}

.page .method-source-lines {
    flex-shrink: 0;
    padding-right: 10px !important;
    border-right: 1px solid var(--border) !important;
    color: var(--text-faint);
    text-align: right;
    user-select: none;
}

.page .method-source-text {
    flex: 1;
    min-width: 0;
    overflow-x: auto;
}

/* The link icon next to each method. It takes up no room on the line, so it can't wrap onto a line by itself, and
   the cell has room on the right for it to stick out into. */
.methods-grid .method-link {
    display: inline-block;
    width: 0;
    overflow: visible;
    text-indent: 0;
    white-space: nowrap;
    color: var(--text-faint);
    opacity: 0;
    vertical-align: middle;
    transition: opacity 0.15s;
}

.methods-grid tr:hover .method-link, .methods-grid .method-link:focus-visible {
    opacity: 1;
}

.methods-grid .method-link:hover {
    color: var(--text);
}

.methods-grid .method-link svg.icon {
    margin-left: 8px;
    height: 0.8em;
    fill: currentColor;
}

/* A short flash on the method or heading a link went to */
@keyframes targeted-flash {
    0% { background-color: rgba(140, 184, 255, 0.22); }
    100% { background-color: transparent; }
}

.methods-grid tr.targeted, .page h2.targeted, .page h3.targeted {
    animation: targeted-flash 2s ease-out;
}

.page [id] {
    scroll-margin-top: 16px;
}

.toast {
    position: fixed;
    z-index: 50;
    transform: translateY(-50%);
    padding: 3px 9px;
    border-radius: var(--radius-small);
    background-color: var(--surface-raised);
    border: 1px solid var(--border-strong);
    color: var(--text);
    font-family: var(--font-sans);
    font-size: 13px;
    pointer-events: none;
}

/* ===== Where to start, at the top of the home page ===== */

.page .start-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    margin-top: 1.4rem;
}

.page .start-card {
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding: 16px 16px 14px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    background-color: var(--surface);
    color: var(--text);
    text-decoration: none;
    transition: border-color 0.15s, transform 0.15s;
}

.page .start-card:hover {
    border-color: rgba(140, 184, 255, 0.45);
    transform: translateY(-2px);
}

.page .start-card-icon {
    margin-bottom: 4px;
    color: var(--accent);
    font-size: 22px;
    line-height: 1;
}

.page .start-card-icon svg {
    height: 1em;
    fill: currentColor;
}

.page .start-card-title {
    font-size: 17px;
    font-weight: 600;
}

.page .start-card-text {
    color: var(--text-muted);
    font-size: 14px;
    line-height: 1.45;
}

@media (max-width: 600px) {
    .page .start-cards {
        grid-template-columns: 1fr;
        gap: 8px;
    }
}

/* A glossary word (see addGlossaryLinks in page.js): plain text with a dotted underline */
.page a.glossary-link {
    color: inherit;
    text-decoration: underline dotted;
    text-decoration-color: var(--text-faint);
    text-underline-offset: 3px;
    cursor: help;
}

.page a.glossary-link:hover {
    color: var(--accent);
    text-decoration-color: var(--accent);
}

/* The Glossary page: each word and its meaning */
.page .glossary h3 {
    margin-top: 1.6rem;
}

.page .glossary h3 + p {
    margin-top: 0.3rem;
}

/* ===== All Methods ===== */

.page .method-index-filter {
    width: 100%;
    max-width: 420px;
    margin-top: 1rem;
    padding: 8px 12px;
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-small);
    outline: none;
    background-color: var(--surface);
    color: var(--text);
    font-size: 15px;
}

.page .method-index-filter:focus {
    border-color: var(--accent);
}

.page .method-index-group {
    display: flex;
    gap: 16px;
    padding: 10px 0;
    border-bottom: 1px solid var(--border);
}

.page .method-index-group[hidden], .page .method-index-row[hidden] {
    display: none;
}

.page .method-index-letter {
    flex-shrink: 0;
    width: 28px;
    color: var(--text-faint);
    font-size: 20px;
    font-weight: bold;
}

.page .method-index-list {
    flex: 1;
    min-width: 0;
}

.page a.method-index-row {
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) 130px minmax(0, 1fr);
    gap: 12px;
    align-items: baseline;
    padding: 4px 8px;
    border-radius: var(--radius-small);
    color: var(--text);
    text-decoration: none;
}

.page a.method-index-row:hover {
    background-color: var(--hover-bg);
}

.page .method-index-name {
    overflow-wrap: anywhere;
    font-family: var(--font-mono);
    font-size: 14px;
}

.page a.method-index-row:hover .method-index-name {
    color: var(--accent);
}

.page .method-index-name span {
    color: var(--text-faint);
    font-family: var(--font-mono);
}

.page .method-index-from {
    color: var(--text-faint);
    font-size: 13px;
}

.page .method-index-description {
    color: var(--text-muted);
    font-size: 14px;
}

@media (max-width: 700px) {
    .page a.method-index-row {
        grid-template-columns: 1fr;
        gap: 0;
        padding: 6px 8px;
    }
}

/* ===== The Cheat Sheet ===== */

.page .cheat-sheet {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(380px, 1fr));
    gap: 14px;
    margin-top: 1.2rem;
}

.page .cheat-sheet section {
    min-width: 0;
    padding: 12px 14px 4px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background-color: var(--surface);
}

.page .cheat-sheet h2 {
    margin: 0 0 8px;
    padding: 0;
    border: none;
    font-size: 16px;
}

.page .cheat-sheet pre {
    margin: 0 0 10px;
}

.page .cheat-sheet pre, .page .cheat-sheet pre * {
    font-size: 12.5px;
}

/* Long lines wrap instead of scrolling, so everything can be seen (and printed) at once */
.page .cheat-sheet pre code {
    white-space: pre-wrap;
    overflow-wrap: anywhere;
}

@media (max-width: 600px) {
    .page .cheat-sheet {
        grid-template-columns: 1fr;
    }
}

/* Printing: just the page, with no sidebar or buttons, and boxes that don't split across two sheets of paper */
@media print {
    .sidebar-container, .mobile-topbar, .sidebar-overlay, .page .breadcrums, .page .page-nav, .page pre .copy-button {
        display: none !important;
    }

    .page {
        width: 100%;
        padding: 0;
    }

    .page .cheat-sheet section, .page pre {
        break-inside: avoid;
    }
}

/* ===== Asset Packs (see mdogRenderAssetPacks in asset-packs.js) ===== */

/* A part of a pack that opens, so the page isn't too long to scroll through */
.page details.pack-section {
    margin-top: 12px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background-color: var(--surface);
}

.page details.pack-section > summary {
    padding: 10px 14px;
    font-weight: 600;
    cursor: pointer;
    user-select: none;
}

.page details.pack-section > summary:hover {
    color: var(--accent);
}

.page details.pack-section[open] > summary {
    border-bottom: 1px solid var(--border);
}

.page details.pack-section > :not(summary) {
    margin-left: 14px;
    margin-right: 14px;
}

.page details.pack-section > :last-child {
    margin-bottom: 14px;
}

.page .pack-items {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-top: 12px;
}

/* A pack shown as a grid of small playing pictures, with the chosen one's code under it */
.page .pack-tiles {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(124px, 1fr));
    gap: 8px;
}

.page .pack-tile {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    padding: 4px 4px 6px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background-color: var(--surface);
    color: var(--text-muted);
    font-size: 12px;
    cursor: pointer;
}

.page .pack-tile:hover {
    border-color: rgba(140, 184, 255, 0.45);
    color: var(--text);
}

.page .pack-tile.chosen {
    border-color: var(--accent);
    box-shadow: 0 0 0 1px var(--accent);
    color: var(--accent);
    font-weight: 600;
}

.page .pack-tile .pack-preview {
    width: auto;
    min-height: 88px;
}

.page .pack-chosen {
    margin-top: 10px;
}

.page .pack-chosen .pack-card[hidden] {
    display: none;
}

.page .pack-card {
    display: flex;
    gap: 16px;
    padding: 12px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background-color: var(--surface);
}

.page .pack-card.wide {
    flex-direction: column;
}

.page .pack-preview {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    width: 160px;
    min-height: 100px;
    border-radius: var(--radius-small);
    background-color: #2b3340;
}

.page .pack-card.wide .pack-preview {
    width: auto;
    min-height: 0;
    padding: 16px;
}

.page .pack-preview canvas {
    image-rendering: pixelated;
}

.page .pack-card.wide .pack-preview canvas {
    width: 100%;
    max-width: 780px;
}

.page .pack-card-body {
    flex: 1;
    min-width: 0;
}

.page .pack-card-title {
    font-weight: 600;
}

.page .pack-card-info {
    margin-left: 6px;
    color: var(--text-faint);
    font-size: 13px;
    font-weight: normal;
}

.page .pack-card pre {
    margin-top: 6px;
}

.page .pack-card-buttons {
    margin-top: 8px;
}

.page .pack-card-buttons button, .page .pack-download-link, .page .pack-download-all {
    padding: 4px 12px;
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-small);
    background-color: var(--surface-raised);
    color: var(--text);
    font-size: 13px;
    text-decoration: none;
    cursor: pointer;
}

.page .pack-card-buttons button:hover, .page .pack-download-link:hover, .page .pack-download-all:hover {
    border-color: var(--accent);
}

.page .pack-download-all {
    margin-top: 10px;
    border-color: var(--accent-strong);
    background-color: var(--accent-strong);
    color: #fff;
    font-weight: bold;
}

@media (max-width: 600px) {
    .page .pack-card {
        flex-direction: column;
    }

    .page .pack-preview {
        width: auto;
    }
}

/* ===== Playable games on the home page (see showcase.js) ===== */

.page .showcase {
    margin-top: 1rem;
}

/* The three games side by side */
.page .showcase-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
}

.page .showcase-card {
    display: flex;
    flex-direction: column;
    padding: 0;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    background-color: var(--surface);
    color: var(--text);
    text-align: left;
    overflow: hidden;
    cursor: pointer;
    transition: border-color 0.15s, transform 0.15s;
}

.page .showcase-card:hover {
    border-color: rgba(140, 184, 255, 0.45);
    transform: translateY(-2px);
}

.page .showcase-card.selected {
    border-color: var(--accent);
    box-shadow: 0 0 0 1px var(--accent);
}

.page .showcase-card-cover {
    display: block;
    aspect-ratio: 4 / 3;
    background-color: #000;
}

.page .showcase-card-cover img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: contain;
    image-rendering: pixelated;
}

.page .showcase-card-text {
    display: flex;
    flex-direction: column;
    gap: 2px;
    padding: 10px 12px 4px;
}

.page .showcase-card-name {
    font-size: 16px;
    font-weight: 600;
}

.page .showcase-card-tagline {
    color: var(--text-muted);
    font-size: 14px;
    line-height: 1.4;
}

.page .showcase-card-play {
    padding: 4px 12px 12px;
    color: var(--accent);
    font-size: 14px;
}

.page .showcase-card-play::before {
    content: "▶";
    margin-right: 7px;
    font-size: 11px;
}


/* The big player that opens under the cards */
.page .showcase-player {
    margin-top: 16px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    background-color: var(--surface);
    overflow: hidden;
    scroll-margin: 16px;
}

.page .showcase-player[hidden] {
    display: none;
}

.page .showcase-player-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 10px 8px 16px;
    border-bottom: 1px solid var(--border);
}

.page .showcase-player-name {
    font-weight: 600;
}

.page .showcase-close {
    padding: 4px 10px;
    border-radius: 6px;
    border: none;
    background: none;
    color: var(--text-muted);
    font-size: 14px;
    cursor: pointer;
}

.page .showcase-close:hover {
    background-color: var(--hover-bg);
    color: var(--text);
}

.page .showcase-screen {
    position: relative;
    aspect-ratio: 4 / 3;
    background-color: #000;
}

.page .showcase-iframe {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    border: none;
}

.page .showcase-info {
    padding: 12px 16px 14px;
    border-top: 1px solid var(--border);
}

.page .showcase-info p {
    margin-top: 0;
}

.page .showcase-controls {
    margin-top: 4px !important;
    color: var(--text-muted);
    font-size: 14px;
}

.page .showcase-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    margin-top: 6px;
    font-size: 14px;
}

.page .showcase-actions button {
    padding: 0;
    border: none;
    background: none;
    color: var(--accent);
    font-size: 14px;
    text-decoration: underline;
    text-underline-offset: 2px;
    cursor: pointer;
}

/* On narrow screens the cards are one per row, with the picture on the left */
@media (max-width: 600px) {
    .page .showcase-cards {
        grid-template-columns: 1fr;
        gap: 8px;
    }

    .page .showcase-card {
        display: grid;
        grid-template-columns: 96px 1fr;
        grid-template-rows: 1fr auto;
    }

    .page .showcase-card-cover {
        grid-row: 1 / 3;
    }

    .page .showcase-card-text {
        padding: 10px 12px 0;
    }

    .page .showcase-card-play {
        padding: 2px 12px 10px;
    }
}

/* ===== Demos (see demos.js) ===== */

.page .demo {
    margin-top: 10px;
}

.page p + .demo, .page pre + .demo, .page .demo + p {
    margin-top: 1.25rem;
}

.page .demo-screen {
    position: relative;
    width: 100%;
    background-color: #000;
    /* A shadow instead of a border, since a border would make the game area a pixel too small to scale up evenly */
    box-shadow: 0 0 0 1px var(--border);
    border-radius: var(--radius);
    overflow: hidden;
}

.page .demo-iframe {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    border: none;
}

/* The start button covers the whole game area */
.page .demo-start {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    border: none;
    background-color: #111318;
    color: #e6e9ee;
    font-family: var(--font-sans);
    font-size: 16px;
    cursor: pointer;
}

.page .demo-start:hover {
    background-color: #171a20;
}

.page .demo-start span {
    display: inline-block;
    padding: 9px 18px;
    border-radius: 999px;
    transition: background-color 0.15s;
}

.page .demo-start span::before {
    content: "▶";
    margin-right: 10px;
    color: #8cb8ff;
}

/* With a preview, the first frame is dimmed a little, and the label gets a dark pill so it can be read on any picture */
.page .demo.has-preview .demo-screen {
    background-size: 100% 100%;
    background-repeat: no-repeat;
    image-rendering: pixelated;
}

.page .demo.has-preview .demo-start {
    background-color: rgba(10, 12, 16, 0.3);
}

.page .demo.has-preview .demo-start:hover {
    background-color: rgba(10, 12, 16, 0.1);
}

.page .demo.has-preview .demo-start span {
    background-color: rgba(17, 19, 24, 0.85);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
}

.page .demo.has-preview .demo-start:hover span {
    background-color: rgba(32, 36, 44, 0.95);
}

/* The hidden iframe a preview is made in. It's moved off screen instead of hidden, so it works like a normal page. */
.demo-preview-iframe {
    position: fixed;
    left: -10000px;
    top: 0;
    width: 320px;
    height: 240px;
    border: none;
    pointer-events: none;
}

/* Buttons for the keys, only on touch screens */
.page .demo-touch-keys {
    display: none;
    flex-wrap: wrap;
    justify-content: center;
    gap: 8px;
    margin-top: 10px;
}

@media (pointer: coarse) {
    .page .demo-touch-keys {
        display: flex;
    }
}

.page .demo-touch-key {
    min-width: 60px;
    height: 50px;
    padding: 0 12px;
    border-radius: var(--radius);
    font-size: 18px;
    touch-action: none;
    user-select: none;
    -webkit-user-select: none;
    -webkit-touch-callout: none;
}

.page .demo-touch-key:active {
    background-color: var(--button-hover);
}

/* The assets a demo uses */
.page .demo-assets {
    margin-top: 10px;
    padding: 10px 14px 12px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
}

.page .demo-assets-title {
    margin-bottom: 8px;
    color: var(--text);
    font-size: 14px;
}

.page .demo-assets-title span {
    color: var(--text-faint);
}

.page .demo-assets-list {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-start;
    gap: 10px;
}

.page .demo-asset {
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    padding: 5px;
    border-radius: 6px;
    border: 1px solid transparent;
    text-decoration: none;
}

.page .demo-asset:hover {
    border-color: rgba(140, 184, 255, 0.45);
    background-color: var(--hover-bg);
}

.page .demo-asset img {
    display: block;
    image-rendering: pixelated;
    /* A checkerboard behind the image, so the see-through parts are easy to spot */
    background-color: #2a2d33;
    background-image: linear-gradient(45deg, #34383f 25%, transparent 25%, transparent 75%, #34383f 75%),
        linear-gradient(45deg, #34383f 25%, transparent 25%, transparent 75%, #34383f 75%);
    background-size: 8px 8px;
    background-position: 0 0, 4px 4px;
}

.page .demo-asset-name {
    color: var(--text-muted);
    font-family: var(--font-mono) !important;
    font-size: 12px;
    overflow-wrap: anywhere;
}

.page .demo-asset-file {
    padding: 6px 10px;
    border-color: var(--border);
}

.page .demo-asset-group {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.page .demo-asset-frames {
    display: flex;
    flex-wrap: wrap;
    gap: 2px;
}

.page .demo-asset-frames .demo-asset {
    padding: 3px;
}

/* The demo editor: a see-through textarea on top of a colored copy of the code */
.page .demo-editor {
    margin-top: 10px;
}

.page .demo-code-wrap {
    position: relative;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    background-color: var(--code-bg);
}

.page .demo-code-wrap:focus-within {
    border-color: rgba(140, 184, 255, 0.5);
}

.page .demo-code-wrap .code-language {
    left: 12px;
}

/* The textarea and the colored copy need exactly the same text layout, or the cursor won't line up with the colors */
.page .demo-code, .page .demo-highlight {
    margin: 0;
    border: none;
    padding: 36px 12px 10px;
    font-family: var(--font-mono);
    font-size: 14px;
    line-height: 1.45;
    letter-spacing: normal;
    tab-size: 4;
    white-space: pre;
}

.page .demo-code {
    position: relative;
    z-index: 1;
    display: block;
    width: 100%;
    background: transparent;
    color: transparent;
    caret-color: var(--text);
    overflow-x: auto;
    overflow-y: hidden;
    resize: vertical;
    outline: none;
}

.page .demo-code::selection {
    background-color: rgba(120, 160, 220, 0.35);
}

.page .demo-highlight {
    position: absolute;
    inset: 0;
    overflow: hidden;
    border-radius: 0;
    background: none;
    color: var(--code-text);
    pointer-events: none;
}

.page .demo-bar {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 8px;
}

.page .demo-bar button {
    padding: 4px 14px;
    font-size: 14px;
}

.page .demo-bar .demo-run {
    border-color: transparent;
    background-color: var(--accent-strong);
}

.page .demo-bar .demo-run:hover {
    background-color: #3d75c6;
}

/* On the right end of the bar, after the hint */
.page .demo-bar .demo-open {
    order: 1;
    margin-left: auto;
}

.page .demo-bar .demo-open svg.icon {
    height: 0.9em;
    margin-right: 7px;
    fill: currentColor;
    vertical-align: -1px;
}

/* Under a demo with no code box, it's the only button, so it stays under the game */
.page .demo-bar .demo-open:only-child {
    margin-left: 0;
}

.page .demo-hint {
    color: var(--text-faint);
    font-size: 13px;
}

@media (pointer: coarse) {
    .page .demo-hint {
        display: none;
    }
}

.page .demo-error {
    margin-top: 6px;
    color: var(--error);
    font-family: var(--font-mono);
    font-size: 13px;
    white-space: pre-wrap;
}

.page .demo-error:empty {
    display: none;
}

/* ===== Phones ===== */

@media (max-width: 800px) {
    .page {
        padding: 72px 16px 28px;
    }

    .page [id] {
        scroll-margin-top: 60px;
    }

    .page h1 {
        font-size: 32px;
    }

    .page h2 {
        font-size: 24px;
        margin-top: 40px;
    }

    .page h3 {
        font-size: 19px;
    }

    .methods-grid td, .methods-grid th {
        padding: 9px 10px;
    }

    .methods-grid td:first-child {
        width: auto;
    }

    .methods-grid tr.has-dropdown td:first-child, .methods-grid tr.no-dropdown td:first-child {
        padding-left: calc(25px + 2ch);
        padding-right: 26px;
    }

    tr.has-dropdown label::before {
        top: 18px;
        left: 10px;
    }

    .methods-grid .method-info {
        padding: 4px 10px 14px 25px;
    }

    .methods-grid td code {
        overflow-wrap: anywhere;
    }

    .page pre, .page pre * {
        font-size: 13px;
    }

    /* There's no hover on phones, so these are always shown */
    .methods-grid .method-link, .page pre .copy-button {
        opacity: 1;
    }

    .page .demo-start {
        font-size: 14px;
    }

    .page .demo-start span {
        padding: 6px 12px;
    }
}