:root {
  --bg: #0b0b10; --card: #15141c; --text: #f4f1ea; --muted: #a8a4b3; --accent: #8b5cf6; --accent2: #22d3ee;
  color-scheme: dark;
}
* { box-sizing: border-box; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font: 17px/1.65 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}
main { max-width: 760px; margin: 0 auto; padding: 48px 20px 80px; }
header { display: flex; align-items: center; gap: 12px; margin-bottom: 32px; }
header a { color: var(--text); text-decoration: none; font-weight: 700; font-size: 22px; }
.logo { width: 34px; height: 34px; border-radius: 50%; border: 4px solid var(--accent); position: relative; }
.logo::after { content: ""; position: absolute; left: 9px; top: 6px; border-left: 11px solid var(--text);
  border-top: 7px solid transparent; border-bottom: 7px solid transparent; }
h1 { font-size: 34px; line-height: 1.2; margin: 0 0 6px; }
h2 { font-size: 21px; margin: 36px 0 8px; }
p, li { color: #e6e2ea; }
.muted { color: var(--muted); font-size: 15px; }
a { color: var(--accent2); }
.card { background: var(--card); border-radius: 16px; padding: 18px 20px; margin: 18px 0; }
table { width: 100%; border-collapse: collapse; font-size: 15px; }
th, td { text-align: left; padding: 8px 6px; border-bottom: 1px solid #2a2833; vertical-align: top; }
th { color: var(--muted); font-weight: 600; }
nav.lang { margin-left: auto; font-size: 15px; }
footer { margin-top: 56px; color: var(--muted); font-size: 14px; }
.todo { background: #3b2a00; color: #ffd27a; padding: 0 4px; border-radius: 4px; }