treehouse/static/css/main.css

837 lines
15 KiB
CSS

/* Color scheme. */
:root {
/* naturally */
--liquidex-brand-blue: #058ef0;
/* but also: */
--liquidex-brand-red: #eb134a;
--liquidex-brand-yellow: #ffc31f;
--liquidex-brand-green: #06ca4a;
--text-color-light: #55423e;
--link-color-light: #004ec8;
--link-color-visited-light: #6c2380;
--background-color: rgb(255, 253, 246);
--background-color-tooltip: rgb(226, 223, 214);
--text-color: #55423e;
--link-color: #004ec8;
--link-color-visited: #6c2380;
--shaded-background: rgba(0, 0, 0, 5%);
--border-1: rgba(0, 0, 0, 15%);
--border-2: rgba(0, 0, 0, 30%);
--hover: rgba(0, 0, 0, 15%);
}
@media (prefers-color-scheme: dark) {
:root {
--background-color: rgb(30, 40, 53);
--background-color-tooltip: rgb(23, 31, 41);
--text-color: #d7cdbf;
--link-color: #93cce8;
--link-color-visited: #f7afde;
--shaded-background: #f7e5df0c;
--border-0: #f7e5df1a;
--border-1: #f7e5df26;
--border-1-and-a-half: #f7e5df3a;
--border-2: #f7e5df4d;
}
}
:root {
/* Font size-responsive measurements. treehouse was designed against a font size of 14px;
each of these sizes is (n / 14)rem where n is the number of pixels. */
--1px: 0.07142857143rem;
--2px: 0.1428571429rem;
--3px: 0.2142857143rem;
--4px: 0.2857142857rem;
--6px: 0.4285714286rem;
--8px: 0.5714285714rem;
--10px: 0.7142857143rem;
--12px: 0.8571428571rem;
--16px: 1.142857143rem;
}
/* Article-style layout. Center everything and give it a maximum width */
body {
max-width: 1200px;
margin-left: auto;
margin-right: auto;
display: flex;
flex-direction: column;
}
main {
padding: 0 var(--16px);
}
@media screen and (max-width: 480px) {
main {
padding: 0 var(--8px);
}
}
/* Choose more pretty colors than vanilla HTML */
:root {
scrollbar-color: var(--border-2) var(--shaded-background);
scrollbar-width: auto;
scrollbar-gutter: stable;
}
body {
background-color: var(--background-color);
color: var(--text-color);
}
body::selection {
/* Even though this color doesn't yield the most readable text, browsers */
background-color: var(--liquidex-brand-blue);
}
/* Set up typography */
@font-face {
font-family: 'RecVar';
src: url('../font/Recursive_VF_1.085.woff2');
}
@font-face {
font-family: 'RecVarMono';
src: url('../font/Recursive_VF_1.085.woff2');
font-variation-settings: "MONO" 1.0;
}
body,
pre,
code,
kbd,
button {
font-family: 'RecVar', sans-serif;
line-height: 1.5;
}
body {
font-size: 87.5%;
}
pre,
code,
kbd,
button {
font-size: 100%;
}
:root {
--recursive-mono: 0.0;
--recursive-casl: 1.0;
--recursive-wght: 400;
--recursive-slnt: 0.0;
--recursive-crsv: 0.5;
--recursive-simplified-f: "ss03";
--recursive-simplified-g: "ss04";
--recursive-simplified-l: "ss05";
--recursive-simplified-r: "ss06";
--recursive-no-serif-L-Z: "ss08";
}
*,
*:before,
*:after {
font-variation-settings:
"MONO" var(--recursive-mono),
"CASL" var(--recursive-casl),
"wght" var(--recursive-wght),
"slnt" var(--recursive-slnt),
"CRSV" var(--recursive-crsv);
font-feature-settings:
var(--recursive-simplified-f),
var(--recursive-simplified-g),
var(--recursive-simplified-l),
var(--recursive-simplified-r),
var(--recursive-no-serif-L-Z);
}
h1 {
--recursive-slnt: 0.0;
--recursive-casl: 0.0;
--recursive-wght: 900;
font-size: 3.5rem;
font-feature-settings: var(--recursive-simplified-r) 0;
}
h2 {
--recursive-slnt: 0.0;
--recursive-casl: 0.5;
--recursive-wght: 800;
font-size: 2rem;
}
h3 {
--recursive-slnt: 0.0;
--recursive-casl: 0.5;
--recursive-wght: 700;
font-size: 1.5rem;
}
h4 {
--recursive-slnt: 0.0;
--recursive-casl: 0.5;
--recursive-wght: 700;
font-size: 1rem;
}
pre,
code,
kbd,
th-literate-program {
--recursive-mono: 1.0;
--recursive-casl: 0.0;
--recursive-slnt: 0.0;
--recursive-wght: 450;
}
b,
strong {
--recursive-wght: 700;
}
i,
em {
--recursive-slnt: -16.0;
font-style: normal;
}
/* Lay out elements a bit more compactly */
p,
pre {
margin: 0 0;
}
h1,
h2,
h3,
h4,
h5,
h6 {
margin: var(--4px) 0;
}
/* Lay out elements a little less compactly (actually just have some blank space past the end) */
body {
padding-bottom: 10rem;
}
/* Make code examples a little prettier by giving them visual separation from the rest of the page */
code,
th-literate-program {
padding: var(--3px) var(--4px);
background-color: var(--shaded-background);
border-radius: 0.4em;
}
th-literate-program,
th-literate-output {
display: block;
}
kbd {
padding: var(--3px) var(--6px);
border: var(--1px) solid var(--border-1);
border-radius: 0.4em;
}
pre,
th-literate-program {
padding: var(--8px) var(--12px);
margin: var(--12px) 0;
background-color: var(--shaded-background);
border-radius: 0.5em;
transition: background-color var(--transition-duration);
}
@media (prefers-color-scheme: light) {
pre,
th-literate-program {
background-color: transparent;
border: var(--1px) solid var(--border-1);
}
}
pre>code,
th-literate-program>code {
padding: 0;
background: none;
border-radius: 0;
}
th-literate-program {
white-space: pre;
}
/* And don't let code examples fly off and overflow the window */
pre,
th-literate-program {
min-width: 0;
width: auto;
overflow: auto;
}
/* Also don't let images get out of hand */
img {
max-width: 100%;
}
/* Also regarding images - make them look a bit more pretty by default */
img.pic {
border-radius: var(--6px);
margin: var(--8px) 0;
}
/* Image hints for tweaking rendering */
img {
&[src*='+pixel'] {
image-rendering: pixelated;
border-radius: 0;
}
/* TODO: These could be autogenerated! */
&[src*='+width72'] {
width: 72px;
height: auto;
}
&[src*='+width160'] {
width: 160px;
height: auto;
}
&[src*='+width640'] {
width: 640px;
height: auto;
}
&[src*='+width752'] {
width: 752px;
height: auto;
}
/* Resources for use in JavaScript. */
&.resource {
display: none;
}
}
/* Fix the default blue and ugly purple links normally have */
a {
color: var(--link-color);
}
a:visited {
color: var(--link-color-visited);
}
/* Allow for some secret links */
a.secret {
color: var(--text-color);
text-decoration: none;
}
/* Make blockquotes a bit prettier */
blockquote {
margin: 0;
padding: var(--4px) var(--12px);
margin: var(--4px) 0;
border-left: var(--4px) solid var(--border-1);
}
/* And tables. */
table {
margin: var(--8px) 0;
}
table,
th,
td {
border: var(--1px) solid var(--border-2);
border-collapse: collapse;
padding: var(--4px) var(--10px);
}
th {
background-color: var(--shaded-background);
--recursive-wght: 700;
--recursive-casl: 0.5;
}
/* Horizontal rules */
hr {
width: 100%;
border: none;
border-top: var(--1px) solid var(--border-1);
margin-top: 2em;
margin-bottom: 2em;
}
/* Style the noscript box a little more prettily. */
.noscript {
padding: var(--16px);
background-color: #fde748;
color: var(--text-color-light);
border: var(--1px) solid #6c581c;
border-radius: var(--8px);
width: fit-content;
margin-left: auto;
margin-right: auto;
}
.noscript p {
margin-top: 0;
margin-bottom: var(--16px);
}
.noscript p:last-child {
margin-bottom: 0;
}
.noscript a {
color: var(--link-color-light);
}
.noscript a:visited {
color: var(--link-color-visited-light);
}
/* also, webkit. */
#webkit-makes-me-go-insane {
display: none;
}
/* Style the navigation bar. */
nav {
display: flex;
align-items: center;
}
nav .nav-page {
display: flex;
flex-grow: 1;
flex-direction: column;
}
/* Give the logo on the top some nicer looks */
nav .logo {
width: 48px;
height: 48px;
padding: 16px;
display: block;
opacity: 100%;
color: var(--text-color);
}
/* Style page titles */
h1.page-title {
--recursive-wght: 800;
margin-top: 0;
margin-bottom: 0;
margin-left: 2.25rem;
font-size: 1.25rem;
& a {
color: var(--text-color);
text-decoration: none;
&:hover {
text-decoration: underline;
}
}
}
@media (hover: none) {
h1.page-title a {
text-decoration: underline;
}
}
/* Style the `new` link on the homepage */
a[data-cast~="new"] {
flex-shrink: 0;
color: var(--text-color);
opacity: 50%;
margin-right: var(--16px);
&.has-news {
opacity: 100%;
text-decoration: none;
& .new-text {
text-decoration: underline;
}
}
& .badge {
margin-left: var(--8px);
text-decoration: none;
}
}
/* Style new badges */
span.badge {
--recursive-wght: 800;
--recursive-slnt: 0;
--recursive-mono: 1.0;
--recursive-casl: 0;
border-radius: 999px;
padding: var(--2px) var(--6px);
font-size: 0.9em;
&.red {
color: white;
background-color: #d01243;
}
&.blue {
color: white;
background-color: #058ef0;
}
&.before-content {
margin-right: var(--6px);
}
}
/* Style the footer */
footer {
margin-top: 4rem;
text-align: right;
opacity: 40%;
& #footer-icon {
color: var(--text-color);
padding-right: 1.75rem;
}
}
/* Style emojis to be readable */
img[data-cast~="emoji"] {
max-width: 1.5em;
max-height: 1.5em;
vertical-align: bottom;
object-fit: contain;
}
/* And also style emoji tooltips. */
th-emoji-tooltip {
display: flex;
flex-direction: column;
align-items: center;
position: fixed;
transform: translateX(-50%) translateY(-10%) scale(0.8);
width: max-content;
z-index: 100;
background-color: var(--background-color-tooltip);
padding: var(--8px);
margin-top: var(--8px);
border-radius: var(--6px);
transition:
opacity var(--transition-duration) cubic-bezier(0.22, 1, 0.36, 1),
filter var(--transition-duration) cubic-bezier(0.22, 1, 0.36, 1),
transform var(--transition-duration) cubic-bezier(0.22, 1, 0.36, 1);
opacity: 0%;
filter: blur(var(--3px));
pointer-events: none;
}
th-emoji-tooltip.transitioned-in {
opacity: 100%;
filter: blur(0);
transform: translateX(-50%) scale(1.0);
}
th-emoji-tooltip img {
display: block;
max-width: 4.5rem;
max-height: 4.5rem;
}
th-emoji-tooltip p {
--recursive-wght: 550;
color: var(--text-color);
font-size: 0.9em;
margin: 0;
padding-top: 6px;
line-height: 1;
}
/* Funny joke */
@keyframes hello-there {
0% {
opacity: 0%;
}
70% {
opacity: 0%;
}
100% {
opacity: 70%;
}
}
.oops-you-seem-to-have-gotten-stuck {
margin-top: 16px;
display: none;
position: absolute;
opacity: 0%;
}
#index\:treehouse>details:not([open])>summary .oops-you-seem-to-have-gotten-stuck {
display: inline;
animation: 4s hello-there forwards;
}
/* Literate programming support */
:root {
--error-color: #d94141;
}
@media (prefers-color-scheme: dark) {
:root {
--error-color: #e39393;
}
}
th-literate-program[data-mode="input"] {
/* Override the cursor with an I-beam, because the editor captures clicks and does not bubble
them back up to the caller */
cursor: text;
}
th-literate-program[data-mode="output"] {
padding: 0;
background: none;
border: none;
border-radius: 0;
& iframe,
& img.placeholder-image {
border-style: none;
border-radius: 4px;
display: block;
}
& iframe {
width: 100%;
}
& img.placeholder-image.js {
transition: opacity var(--transition-duration);
}
& iframe,
& img.placeholder-image.loading {
opacity: 50%;
}
& iframe.loaded {
opacity: 100%;
}
/* The inner iframe is hidden until something requests display. */
& iframe.hidden {
display: none;
}
& pre>code {
display: block;
}
& pre.error {
color: var(--error-color);
position: relative;
&:empty {
display: none;
}
&::after {
content: 'Error';
padding: var(--8px);
position: absolute;
right: 0;
top: 0;
color: var(--text-color);
opacity: 50%;
}
}
& pre.console,
& pre.placeholder-console {
position: relative;
margin-top: 0;
margin-bottom: 0;
&:empty {
display: none;
}
&::after {
content: 'Console';
padding: var(--8px);
position: absolute;
right: 0;
top: 0;
color: var(--text-color);
opacity: 50%;
}
}
}
/* Syntax highlighting */
:root {
--syntax-comment: #9b8580;
--syntax-identifier: var(--text-color);
--syntax-keyword1: #e15e2b;
--syntax-keyword2: #199aca;
--syntax-operator: #e3755b;
--syntax-function: #d57b07;
--syntax-literal: #a64fb3;
--syntax-string: #79ac3b;
--syntax-punct: #a28680;
}
@media (prefers-color-scheme: dark) {
:root {
--syntax-comment: #aca8a4;
--syntax-identifier: var(--text-color);
--syntax-keyword1: #ffb06a;
--syntax-keyword2: #8ad4f9;
--syntax-operator: #ec9f8d;
--syntax-function: #fbd283;
--syntax-literal: #e9b9f0;
--syntax-string: #b0dd7a;
--syntax-punct: #9d9a96;
}
}
.th-syntax-highlighting span {
&.comment {
--recursive-slnt: -16.0;
color: var(--syntax-comment);
}
&.identifier {
color: var(--syntax-identifier);
}
&.keyword1 {
color: var(--syntax-keyword1);
}
&.keyword2 {
color: var(--syntax-keyword2);
}
&.operator {
color: var(--syntax-operator);
}
&.function {
color: var(--syntax-function);
}
&.literal {
color: var(--syntax-literal);
}
&.string {
color: var(--syntax-string);
}
&.punct {
color: var(--syntax-punct);
}
&.error {
color: var(--error-color);
text-decoration: wavy underline;
}
&.hidden {
display: none;
}
&.type-hint {
color: var(--syntax-comment);
font-size: 80%;
}
}
.th-syntax-highlighting {
& .export {
text-decoration: underline dotted;
cursor: help;
text-decoration-color: transparent;
transition: text-decoration-color var(--transition-duration);
}
&:hover,
&:focus {
& .export {
text-decoration-color: var(--syntax-keyword1);
}
}
}
/* Style settings sections */
section[data-cast~="settings"] {
/* Don't display settings when JavaScript is disabled.
JS overrides this value on the element itself. */
display: none;
}