:root {
  color-scheme: dark;
  font-family: Inter, Pretendard, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #050a18;
  color: #eef6ff;
}

* { box-sizing: border-box; }
body { margin: 0; background: radial-gradient(circle at top, #10294a 0, #050a18 42rem); }
main { width: min(920px, calc(100% - 32px)); margin: 0 auto; padding: 36px 0 72px; }
nav { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 28px; }
a { color: #55ddff; }
h1 { font-size: clamp(2rem, 7vw, 3.4rem); margin: 0 0 8px; }
h2 { margin-top: 36px; color: #ffd363; }
h3 { margin-top: 24px; color: #78f2cf; }
p, li { line-height: 1.65; }
.muted { color: #a9b7c9; }
.card { background: rgba(5, 11, 26, .84); border: 1px solid #214261; border-radius: 16px; padding: 20px; margin: 18px 0; }
.draft { border: 1px solid #ffb43a; background: #39280b; color: #ffe3a8; padding: 14px 16px; border-radius: 12px; }
code { background: #111d31; border-radius: 5px; padding: 2px 6px; }
footer { border-top: 1px solid #21344f; margin-top: 48px; padding-top: 20px; color: #91a4bb; }