/* LINGO articles (tools/blog/build.mjs copies this to blog/blog.css).
   The same dark ground and lime as the app, set for long reading: one
   narrow column, large type, English phrases as lime chips. */
:root {
  --ground: #08090c; --surface: #101319; --surface-2: #161a22;
  --line: rgba(255,255,255,.08); --line-2: rgba(255,255,255,.14);
  --text: #f1f3f6; --text-2: #a4abb8; --text-3: #8a919e;
  --accent: #c8ff4d; --accent-soft: rgba(200,255,77,.12); --accent-line: rgba(200,255,77,.32);
  --depth: #5b3cf0;
  --font-display: "Manrope", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-ui: "Manrope", system-ui, -apple-system, "Segoe UI", sans-serif;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--ground); color: var(--text);
  font: 500 18px/1.65 var(--font-ui);
  background-image: radial-gradient(60rem 30rem at 50% -10rem, rgba(91,60,240,.16), transparent 70%);
  background-repeat: no-repeat;
}
a { color: var(--accent); text-underline-offset: 3px; }
a:focus-visible, .btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 6px; }

.top, .foot { max-width: 760px; margin: 0 auto; padding: 18px 16px; display: flex; align-items: center; gap: 18px; }
.top { border-bottom: 1px solid var(--line); }
.logo { display: inline-flex; align-items: center; gap: 1px; color: var(--text); text-decoration: none;
  font: 700 22px/1 var(--font-display); letter-spacing: -.01em; }
.logo svg { color: var(--accent); margin-left: 1px; }
.logo-sm { font-size: 17px; }
.top-link { color: var(--text-2); text-decoration: none; font-size: 15px; margin-right: auto; }
.top-link:hover { color: var(--text); }

.btn { display: inline-block; background: var(--accent); color: #0a0f03; text-decoration: none; font-weight: 600;
  padding: 13px 22px; border-radius: 999px; font-size: 16px; line-height: 1.2; }
.btn:hover { background: #dbff7a; }
.btn-sm { padding: 9px 15px; font-size: 14px; }

main { max-width: 760px; margin: 0 auto; padding: 28px 16px 48px; }
.back { display: inline-block; color: var(--text-2); text-decoration: none; font-size: 15px; margin-bottom: 18px; }
h1 { font: 700 clamp(30px, 6vw, 46px)/1.1 var(--font-display); letter-spacing: -.02em; margin: 0 0 14px; text-wrap: balance; }
.meta { color: var(--text-3); font-size: 15px; margin: 0 0 22px; }
.lead { font-size: 21px; line-height: 1.55; color: var(--text); margin: 0 0 28px; }
article h2 { font: 700 28px/1.2 var(--font-display); letter-spacing: -.01em; margin: 44px 0 12px; scroll-margin-top: 16px; }
article h3 { font: 600 21px/1.3 var(--font-display); margin: 30px 0 8px; }
article p, article li { color: #dfe3ea; }
article ul, article ol { padding-left: 1.3em; }
article li { margin: 6px 0; }
article strong { color: var(--text); }
code { font: inherit; font-weight: 600; color: var(--accent); background: var(--accent-soft);
  border: 1px solid var(--accent-line); border-radius: 7px; padding: 0 6px;
  -webkit-box-decoration-break: clone; box-decoration-break: clone; }

.note { margin: 22px 0; padding: 14px 18px; background: var(--surface); border: 1px solid var(--line-2);
  border-left: 3px solid var(--accent); border-radius: 12px; }
.note p { margin: 6px 0; }

.table { overflow-x: auto; margin: 22px 0; border: 1px solid var(--line-2); border-radius: 14px; }
table { border-collapse: collapse; width: 100%; font-size: 16px; }
th, td { text-align: left; padding: 11px 14px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font-weight: 600; color: var(--text-2); background: var(--surface); font-size: 14px; }
tr:last-child td { border-bottom: 0; }

.cta { margin: 44px 0 8px; padding: 24px; border-radius: 20px; background: var(--surface);
  border: 1px solid var(--accent-line); box-shadow: 0 0 60px -30px var(--accent); }
.cta strong { display: block; font: 700 23px/1.25 var(--font-display); margin-bottom: 8px; }
.cta p { color: var(--text-2); margin: 0 0 18px; font-size: 16px; }

.more h2, .list h2.lang { font: 700 22px/1.2 var(--font-display); margin: 40px 0 12px; }
.list h2.lang a { color: var(--text); text-decoration: none; }
.card { display: block; text-decoration: none; color: var(--text); background: var(--surface);
  border: 1px solid var(--line-2); border-radius: 16px; padding: 18px 20px; margin: 12px 0; }
.card:hover { border-color: var(--accent-line); }
.card strong { display: block; font: 700 21px/1.25 var(--font-display); margin: 4px 0 6px; }
.card span { display: block; color: var(--text-2); font-size: 16px; line-height: 1.5; }
.card .card-meta { color: var(--text-3); font-size: 14px; }

.foot { border-top: 1px solid var(--line); color: var(--text-3); font-size: 14px; flex-wrap: wrap; padding-bottom: 32px; }
.foot nav a { color: var(--text-2); text-decoration: none; }

/* On a phone a wide table becomes a stack of cards: each row a card, each
   cell a line with its column name in front. */
@media (max-width: 600px) {
  .table { border: 0; overflow: visible; }
  .table thead { display: none; }
  .table table, .table tbody, .table tr, .table td { display: block; width: 100%; }
  .table tr { background: var(--surface); border: 1px solid var(--line-2); border-radius: 14px; padding: 10px 14px; margin: 10px 0; }
  .table td { border: 0; padding: 3px 0; display: flex; gap: 10px; }
  .table td::before { content: attr(data-label); flex: 0 0 40%; color: var(--text-3); font-size: 14px; padding-top: 2px; }
  .table td > span { flex: 1; min-width: 0; }
  .table td:first-child { font-size: 18px; padding-bottom: 6px; }
  .table td:first-child::before { display: none; }
}
@media (max-width: 480px) {
  body { font-size: 17px; }
  .top { gap: 12px; }
  .top .btn-sm { padding: 8px 12px; font-size: 13px; }
  .lead { font-size: 19px; }
  article h2 { font-size: 24px; }
  .cta { padding: 20px; }
}