:root {
  --bg: #F2F3F7;
  --surface: #FFFFFF;
  --ink: #161A33;
  --muted: #595F7E;
  --line: #D9DCE8;
  --accent: #3B4BC8;
  --accent-ink: #FFFFFF;
  --f-sans: "IBM Plex Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
  --f-cond: "IBM Plex Sans Condensed", "Arial Narrow", system-ui, sans-serif;
  --f-kufi: "Reem Kufi", "Geeza Pro", sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --bg: #0E1022;
    --surface: #171A31;
    --ink: #ECEEF8;
    --muted: #A0A6C8;
    --line: #2C3052;
    --accent: #8E9BFF;
    --accent-ink: #0E1022;
  }
}
:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #0E1022;
  --surface: #171A31;
  --ink: #ECEEF8;
  --muted: #A0A6C8;
  --line: #2C3052;
  --accent: #8E9BFF;
  --accent-ink: #0E1022;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--f-sans);
  font-size: 16px;
  line-height: 1.65;
  padding-inline: 16px;
  padding-block: 0 48px;
}
a { color: var(--accent); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.wrap { max-width: 760px; margin: 0 auto; display: flex; flex-direction: column; gap: 24px; }
.top { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding-block: 18px 0; flex-wrap: wrap; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--ink); }
.mark {
  width: 36px; height: 36px; border-radius: 10px; display: grid; place-items: center;
  background: var(--accent); color: var(--accent-ink); font-family: var(--f-kufi); font-size: 21px; font-weight: 700; line-height: 1; padding-bottom: 4px;
}
.brand b { font-family: var(--f-cond); font-size: 21px; }
.back { font-size: 14px; font-weight: 500; }
article { background: var(--surface); border: 1px solid var(--line); border-radius: 16px; padding: 28px; }
h1 { font-family: var(--f-cond); font-size: clamp(28px, 5vw, 38px); line-height: 1.1; margin: 0 0 6px; text-wrap: balance; }
.updated { color: var(--muted); font-size: 14px; margin: 0 0 8px; }
h2 { font-family: var(--f-cond); font-size: 22px; margin: 28px 0 8px; line-height: 1.25; }
p, li { max-width: 68ch; }
p { margin: 0 0 12px; }
ul { margin: 0 0 12px; padding-inline-start: 22px; }
li { margin-bottom: 6px; }
dl { display: grid; grid-template-columns: max-content 1fr; gap: 6px 16px; margin: 0 0 12px; }
dt { color: var(--muted); }
dd { margin: 0; }
footer { color: var(--muted); font-size: 13px; display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; border-top: 1px solid var(--line); padding-top: 16px; }
footer a { color: var(--muted); }
.links { display: flex; gap: 16px; flex-wrap: wrap; }
@media (max-width: 560px) {
  article { padding: 18px; }
  dl { grid-template-columns: 1fr; gap: 2px; }
  dd { margin-bottom: 8px; }
}