* { box-sizing: border-box; }
html { background: #fff; color: #171717; }
:root {
  --background-wash: .55;
  --background-painting: url("assets/images/jens-juel-landskab-ved-oresund.webp");
}
body { margin: 0; isolation: isolate; }
/* A fixed decorative layer covers the viewport on short and long pages alike.
   The white overlay keeps text readable without changing the original image. */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image:
    linear-gradient(
      rgba(255, 255, 255, var(--background-wash)),
      rgba(255, 255, 255, var(--background-wash))
    ),
    var(--background-painting);
  background-position: center top;
  background-size: cover;
  background-repeat: no-repeat;
  filter: sepia(.1);
  transform: scale(1.1);
  transform-origin: top center;
}
a { color: #0000bb; text-decoration: underline; text-underline-offset: 2px; }
a:visited { color: #551a8b; }
a:hover { color: #9b2100; }
a:focus-visible { outline: 2px solid currentColor; outline-offset: 4px; }
.skip { position: absolute; left: -10000px; }
.skip:focus { left: 1rem; top: 1rem; background: white; padding: .5rem; }
h1, h2 { line-height: 1.2; }
h2 { margin: 1.6em 0 .6em; }
p { margin: .7em 0 1em; }
nav a[aria-current="page"] { color: #171717; text-decoration: none; }
.meta, .dates { color: #555; }
.dates { display: block; font-size: .9em; }
.entry { margin-bottom: 1em; }
.advice { padding-left: 1.4em; }
.advice li { padding-left: .2em; margin: 0 0 .8em; }
.post-list { padding: 0; list-style: none; }
.post-list li { margin: 1.5em 0; }
.post-list time { display: block; font-size: .85em; color: #555; }
.math-block { overflow-x: auto; overflow-y: hidden; padding: .5em 0; }
pre { overflow: auto; padding: 1em; background: #f4f4f4; font-size: .85em; }
footer { margin-top: 3rem; padding-top: .75rem; border-top: 1px solid #aaa; font-size: .8em; color: #555; }
@media print { nav, .skip, footer { display: none; } body { max-width: none; margin: 0; } a { color: inherit; } }
body { max-width: 1020px; margin: 4rem auto; padding: 0 2rem; display: grid; grid-template-columns: 170px minmax(0, 1fr); gap: 0 3rem; font-family: "Courier New", Courier, monospace; font-size: 15px; line-height: 1.7; }
header { grid-column: 1; grid-row: 1 / 3; border-right: 1px solid #222; padding-right: 1.5rem; }
.site-name { color: #171717; font-weight: bold; text-decoration: none; display: block; line-height: 1.3; margin-bottom: 1.8rem; font-size: 1.2em; }
nav a { display: block; width: fit-content; margin-bottom: .6em; }
main, footer { grid-column: 2; min-width: 0; overflow-wrap: anywhere; }
h1 { font-size: 1.9em; letter-spacing: -.05em; margin: 0 0 1em; }
h2 { font-size: 1em; text-transform: uppercase; letter-spacing: .1em; border-bottom: 1px solid #ccc; padding-bottom: .25em; }
.intro { display: flow-root; margin-bottom: 2rem; }
footer { margin-top: 2rem; }
/* Give narrow screens one readable column and comfortable touch targets. */
@media (max-width: 760px) {
  :root {
    --background-painting: url("assets/images/jens-juel-landskab-ved-oresund-mobile.webp");
  }
  body {
    display: block;
    margin: 1.5rem auto;
    padding: 0 1.15rem;
    font-size: 16px;
  }
  header {
    border-right: 0;
    border-bottom: 1px solid #222;
    padding: 0 0 .5rem;
    margin-bottom: 2rem;
  }
  .site-name { margin-bottom: .5rem; }
  nav { display: flex; flex-wrap: wrap; gap: 0 1.4rem; }
  nav a {
    display: inline-flex;
    align-items: center;
    min-height: 44px;
    margin: 0;
  }
  h1 { font-size: 1.8em; }
}

/* Markdown posts use the same list spacing as the original article. */
.post-body ul, .post-body ol { padding-left: 1.4em; }
.post-body li { padding-left: .2em; margin: 0 0 .8em; }
.post-body img { max-width: 100%; height: auto; }
.post-body blockquote { margin: 1.5em 0; padding-left: 1em; border-left: 2px solid #aaa; }
.post-body .math.display { display: block; overflow-x: auto; overflow-y: hidden; padding: .5em 0; }
.post-body table { display: block; max-width: 100%; overflow-x: auto; border-collapse: collapse; }
.post-body th, .post-body td { padding: .3em .7em; border-bottom: 1px solid #ccc; }

@media print { body::before { display: none; } }