:root {
  --color-fg: light-dark(#111, #f7f7f8);
  --color-bg: light-dark(#f7f7f8, #070708);
  --color-muted: color-mix(in oklab, var(--color-fg) 50%, var(--color-bg));
  --color-link: light-dark(#15803d, #4ade80);
  --font-mono:
    ui-monospace, "SFMono-Regular", Menlo, Monaco, "Cascadia Mono", Consolas,
    "Liberation Mono", monospace;
}

@media (prefers-color-scheme: dark) {
  :root {
    color-scheme: dark;
  }
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  background-color: var(--color-bg);
  color: var(--color-fg);
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 20px;
  padding: 30px;
}

@media (width >= 640px) {
  body {
    padding: 40px;
  }
}

body > header,
main,
body > footer {
  max-width: 48em;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-size: 12px;
  line-height: 20px;
  font-weight: normal;
  text-transform: uppercase;
}

h2,
h3,
h4,
h5,
h6 {
  margin-top: 1lh;
  margin-bottom: 1ch;
  font-weight: 600;
}

h2::before,
h3::before,
h4::before {
  color: var(--color-muted);
  font-weight: normal;
}

h2::before { content: "## "; }
h3::before { content: "### "; }
h4::before { content: "#### "; }

h2 {
  margin-top: 2lh;
}

p {
  margin-block: 1lh;
}

a {
  color: inherit;
  text-decoration: none;
}

a .url {
  color: var(--color-link);
  text-decoration: underline;
}

ul {
  margin: 0 0 1lh;
  padding: 0;
}

ul li {
  margin: 0;
  padding: 0 0 0 2ch;
  list-style: none;
}

ul li::before {
  content: "— ";
  margin-left: -2ch;
  opacity: 0.5;
}

ul li + li {
  margin-top: 0.25lh;
}

code,
pre {
  font-family: inherit;
}

code {
  background-color: color-mix(in oklab, var(--color-fg) 5%, var(--color-bg));
}

code::before,
code::after {
  content: "`";
  opacity: 0.5;
}

body > header {
  margin-bottom: 2lh;
}

body > header h1 {
  font-weight: 600;
}

article + article {
  margin-top: 2lh;
}

img {
  display: block;
  max-width: 100%;
  height: auto;
  margin-block: 1lh;
}

body > footer {
  margin-top: 2lh;
  color: var(--color-muted);
}

.scene {
  margin-block: 1lh;
  line-height: 1;
}

.scene .sun   { color: light-dark(#b45309, #fbbf24); }
.scene .frond { color: light-dark(#15803d, #4ade80); }
.scene .trunk { color: light-dark(#78350f, #b45309); }
.scene .sand  { color: light-dark(#a16207, #fcd34d); }
.scene .sea   { color: light-dark(#1e40af, #60a5fa); }

.photo-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 4px;
  margin-block: 1lh;
}

.photo-tile {
  display: block;
  aspect-ratio: 1 / 1;
  overflow: hidden;
  border: 1px solid var(--color-fg);
}

.photo-tile img {
  width: 100%;
  height: 100%;
  margin: 0;
  object-fit: cover;
  transition: opacity 0.15s ease;
}

.photo-tile:hover img {
  opacity: 0.7;
}

.photo-post img {
  margin-block: 1lh 0;
}

.photo-date {
  color: var(--color-muted);
}