:root {
  --ink: #0f1b2d;
  --muted: #3a4d68;
  --paper: #fbf9f5;
  --card: #fff;
  --border: #d8dde5;
  --accent: #c2492f;
  --link: #1f6fb2;
  font-family:
    system-ui,
    -apple-system,
    "Segoe UI",
    sans-serif;
  color: var(--ink);
  background: var(--paper);
}
* {
  box-sizing: border-box;
}
body {
  margin: 0;
  line-height: 1.6;
}
a {
  color: var(--link);
}
img {
  max-width: 100%;
  height: auto;
}
.skip {
  position: absolute;
  left: -9999px;
}
.skip:focus {
  left: 1rem;
  top: 1rem;
  background: var(--card);
  padding: 0.5rem;
}
.header,
footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 1rem max(1rem, calc((100vw - 1100px) / 2));
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
}
.header nav,
footer nav {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}
.logo {
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--ink);
  text-decoration: none;
}
main {
  max-width: 800px;
  margin: auto;
  padding: 1.5rem 1rem 4rem;
}
h1,
h2,
h3 {
  line-height: 1.25;
}
h1 {
  font-size: clamp(2rem, 5vw, 3rem);
}
h2 {
  margin-top: 2rem;
}
.meta,
.crumb,
.transparency {
  color: var(--muted);
  font-size: 0.9rem;
}
.cover {
  display: block;
  width: 100%;
  aspect-ratio: 1200/630;
  object-fit: cover;
  border-radius: 1rem;
}
.summary,
.toc,
.cta,
.card,
.arac {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 1rem;
  padding: 1.25rem;
  margin: 1.5rem 0;
}
.summary {
  border-left: 5px solid var(--accent);
}
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 250px), 1fr));
  gap: 1rem;
}
.cards .card {
  margin: 0;
}
.article-body {
  overflow-wrap: anywhere;
}
.article-body pre {
  overflow-x: auto;
}
.article-body table,
table {
  border-collapse: collapse;
}
.table-wrap {
  max-width: 100%;
  overflow-x: auto;
}
td,
th {
  border: 1px solid var(--border);
  padding: 0.5rem;
}
input {
  display: block;
  max-width: 100%;
  padding: 0.5rem;
  border: 1px solid var(--border);
  border-radius: 0.4rem;
  font: inherit;
}
form {
  display: grid;
  gap: 0.75rem;
}
button {
  width: fit-content;
  background: var(--ink);
  color: white;
  border: 0;
  border-radius: 0.4rem;
  padding: 0.65rem 1rem;
  font: inherit;
  cursor: pointer;
}
.result {
  overflow-wrap: anywhere;
}
.cta a {
  display: inline-block;
  background: var(--accent);
  color: white;
  padding: 0.6rem 1rem;
  border-radius: 0.5rem;
}
footer {
  border-top: 1px solid var(--border);
  border-bottom: 0;
}
@media (prefers-color-scheme: dark) {
  :root {
    --ink: #f2f3f6;
    --muted: #b4bdca;
    --paper: #0f1b2d;
    --card: #17263d;
    --border: #3a4d68;
    --link: #8bc6f4;
  }
}
@media print {
  .header,
  footer,
  .toc,
  .cta,
  .arac,
  .skip {
    display: none;
  }
  body {
    color: #000;
    background: #fff;
  }
  main {
    max-width: none;
  }
  .cover {
    max-height: 7cm;
    object-fit: contain;
  }
}