/* Defaults */
:root {
  --font-family: -apple-system, system-ui, sans-serif;
  --font-family-monospace: Consolas, Menlo, Monaco, Andale Mono WT, Andale Mono, Lucida Console, Lucida Sans Typewriter, DejaVu Sans Mono, Bitstream Vera Sans Mono, Liberation Mono, Nimbus Mono L, Courier New, Courier, monospace;
}

/* Theme colors */
:root {
  --color-gray-20: #d6d6d6;
  --color-gray-50: #7c7c7c;
  --color-gray-90: #333;
  --background-color: #fff;
  --text-color: var(--color-gray-90);
  --text-color-link: #0c9300;
  --text-color-link-active: #00ac20;
  --text-color-link-visited: #035000;
  --syntax-tab-size: 2;
}

@media (prefers-color-scheme: dark) {
  :root {
    --color-gray-20: #333333;
    --color-gray-50: #7e7e7e;
    --color-gray-90: #dad8d8;
    /* --text-color is assigned to --color-gray-_ above */
    --text-color-link: #ffe27a;
    --text-color-link-active: #f9ce2f;
    --text-color-link-visited: #d0ad2c;
    --background-color: #1d1d1d;
  }
}
/* Global stylesheet */
* {
  box-sizing: border-box;
}

@view-transition {
  navigation: auto;
}
html,
body {
  padding: 0;
  margin: 0 auto;
  font-family: var(--font-family);
  color: var(--text-color);
  background-color: var(--background-color);
}

html {
  overflow-y: scroll;
}

body {
  max-width: 40em;
}

h1, .h1 {
  font-size: 2rem;
}

h2, .h2 {
  font-size: 1.75rem;
}

h3, .h3 {
  font-size: 1.5rem;
}

h4, .h4 {
  font-size: 1.25rem;
}

h5, .h5 {
  font-size: 1rem;
}

/* https://www.a11yproject.com/posts/how-to-hide-content/ */
.visually-hidden:not(:focus):not(:active) {
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  height: 1px;
  overflow: hidden;
  position: absolute;
  white-space: nowrap;
  width: 1px;
}

/* Fluid images via https://www.zachleat.com/web/fluid-images/ */
img {
  max-width: 100%;
}

img[width][height] {
  height: auto;
}

img[src$=".svg"] {
  width: 100%;
  height: auto;
  max-width: none;
}

video,
iframe {
  width: 100%;
  height: auto;
}

iframe {
  aspect-ratio: 16/9;
}

p:last-child {
  margin-bottom: 0;
}

p {
  line-height: 1.5;
}

li {
  line-height: 1.5;
}

a[href] {
  color: var(--text-color-link);
}
a[href]:visited {
  color: var(--text-color-link-visited);
}
a[href]:hover, a[href]:active, a[href]:focus {
  color: var(--text-color-link-active);
}

main,
footer {
  padding: 1rem;
}

main :first-child {
  margin-top: 0;
}

header {
  border-bottom: 1px dashed var(--color-gray-20);
}

#skip-link {
  text-decoration: none;
  background: var(--background-color);
  color: var(--text-color);
  padding: 0.5rem 1rem;
  border: 1px solid var(--color-gray-90);
  border-radius: 2px;
  /* Prevent visually-hidden skip link fom pushing content around when focused */
}
#skip-link.visually-hidden:focus {
  position: absolute;
  top: 1rem;
  left: 1rem;
  /* Ensure it is positioned on top of everything else when it is shown */
  z-index: 999;
}

.links-nextprev {
  display: flex;
  justify-content: space-between;
  gap: 0.5em 1em;
  list-style: "";
  border-top: 1px dashed var(--color-gray-20);
  padding: 1em 0;
}
.links-nextprev > * {
  flex-grow: 1;
}
.links-nextprev-next {
  text-align: right;
}

table {
  margin: 1em 0;
}
table td, table th {
  padding-right: 1em;
}

pre,
code {
  font-family: var(--font-family-monospace);
}

pre:not([class*=language-]) {
  margin: 0.5em 0;
  line-height: 1.375; /* 22px /16 */
  -moz-tab-size: var(--syntax-tab-size);
  -o-tab-size: var(--syntax-tab-size);
  tab-size: var(--syntax-tab-size);
  -webkit-hyphens: none;
  -ms-hyphens: none;
  hyphens: none;
  direction: ltr;
  text-align: left;
  white-space: pre;
  word-spacing: normal;
  word-break: normal;
  overflow-x: auto;
}

code {
  word-break: break-all;
}

/* Header */
header {
  display: flex;
  gap: 0 1em;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  padding: 1em;
}
header .site-description {
  font-style: italic;
  margin: 0 0 0.25em 0;
}
header nav {
  flex-grow: 1;
  justify-items: right;
  margin: 0 0 0.25em 0;
}

.home-link {
  flex-grow: 1;
  flex-basis: 100%;
  margin: 0.5em 0 0.25em;
  font-weight: 700;
}
.home-link:link:not(:hover) {
  text-decoration: none;
}

.site-name {
  color: var(--text-color-link-active);
  margin: 0.5em 0 0.25em;
}

/* Nav */
.nav {
  display: flex;
  gap: 0.5em 1em;
  padding: 0;
  margin: 0;
  list-style: none;
}
.nav a[href][aria-current=page] {
  text-decoration: underline;
}

.nav-item {
  display: inline-block;
  font-weight: bold;
}
.nav-item a[href]:not(:hover) {
  text-decoration: none;
}

/* Posts list */
.postlist {
  counter-reset: start-from var(--postlist-index);
  list-style: none;
  padding: 0;
  padding-left: 1.5rem;
}

.postlist-item {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  counter-increment: start-from -1;
  margin-bottom: 1em;
}
.postlist-item:before {
  display: inline-block;
  pointer-events: none;
  content: "" counter(start-from, decimal-leading-zero) ". ";
  line-height: 100%;
  text-align: right;
  margin-left: -1.5rem;
}

ul.postlist-full {
  padding-left: 0;
}
ul.postlist-full li {
  list-style-type: none;
  margin-bottom: 2rem;
}
ul.postlist-full li h2 {
  margin-top: 0;
  margin-bottom: 0;
}
ul.postlist-full li article {
  padding-bottom: 2rem;
  border-bottom: 1px dashed var(--color-gray-20);
  margin-top: 2rem;
}

.postlist-date,
.postlist-item:before {
  font-size: 0.8125em; /* 13px /16 */
  color: var(--color-gray-90);
}

.postlist-date {
  word-spacing: -0.5px;
}

.postlist-link {
  font-size: 1.1875em; /* 19px /16 */
  font-weight: 700;
  flex-basis: calc(100% - 1.5rem);
  padding-right: 0.5em;
  text-underline-position: from-font;
  text-underline-offset: 0;
  text-decoration-thickness: 1px;
}

.postlist-item-active .postlist-link {
  font-weight: bold;
}

/* Tags */
.post-tag {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-transform: capitalize;
  font-style: italic;
}

.postlist-item > .post-tag {
  align-self: center;
}

/* Tags list */
.post-metadata ul {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 0.5em;
  list-style: none;
  padding: 0;
  margin: 0;
}
.post-metadata ul time {
  margin-right: 1em;
}