@font-face {
  font-family: 'Lilita One';
  src: url('lilita-one.woff2') format('woff2');
  font-display: swap;
}

:root {
  color-scheme: dark;
  --bg: #0b0c1d;
  --bg2: #141633;
  --card: #171a3a;
  --line: rgba(140, 150, 255, 0.18);
  --text: #e9ebff;
  --muted: #a7acd6;
  --accent: #37f0ff;
  --accent2: #ffd23f;
  --hot: #ff4f7b;
  --ok: #4dff9b;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background:
    radial-gradient(1200px 600px at 50% -200px, rgba(55, 240, 255, 0.14), transparent 70%),
    radial-gradient(800px 500px at 100% 0, rgba(255, 79, 123, 0.10), transparent 70%),
    var(--bg);
  color: var(--text);
  font: 16px/1.65 system-ui, -apple-system, 'Segoe UI', Roboto, 'Apple SD Gothic Neo', 'Malgun Gothic', 'Noto Sans KR', sans-serif;
  min-height: 100vh;
}

a { color: var(--accent); text-underline-offset: 3px; }
a:hover { color: #9ff8ff; }

.wrap { max-width: 820px; margin: 0 auto; padding: 0 16px; }

header.top {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 18px 0;
}
header.top .brand { display: flex; align-items: center; gap: 10px; color: var(--text); text-decoration: none; }
header.top .brand img { width: 36px; height: 36px; border-radius: 9px; }
header.top .brand span { font-family: 'Lilita One', system-ui, sans-serif; font-size: 22px; letter-spacing: 0.06em; }
header.top nav { display: flex; flex-wrap: wrap; gap: 4px 14px; font-size: 14px; }
header.top nav a { color: var(--muted); text-decoration: none; }
header.top nav a:hover, header.top nav a[aria-current] { color: var(--text); }

.hero { text-align: center; padding: 40px 0 24px; }
.hero img.icon { width: 132px; height: 132px; border-radius: 30px; box-shadow: 0 0 0 1px var(--line), 0 18px 60px rgba(55, 240, 255, 0.25); }
.hero h1 {
  font-family: 'Lilita One', system-ui, sans-serif; font-weight: 400;
  font-size: clamp(44px, 12vw, 84px); letter-spacing: 0.06em; margin: 18px 0 4px;
  background: linear-gradient(180deg, #ffffff 10%, var(--accent) 95%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
  text-shadow: 0 0 30px rgba(55, 240, 255, 0.25);
}
.hero p.tag { font-size: 20px; margin: 0 0 6px; }
.hero p.sub { color: var(--muted); margin: 0 0 26px; }

.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 14px 22px; border-radius: 14px; font-weight: 700; text-decoration: none;
  background: linear-gradient(180deg, #4ff4ff, #18b8d6); color: #04131a;
  box-shadow: 0 6px 0 #0d6f84, 0 12px 30px rgba(55, 240, 255, 0.3);
}
.btn:hover { color: #04131a; filter: brightness(1.06); }
.btn svg { width: 22px; height: 22px; }
.note { color: var(--muted); font-size: 14px; margin-top: 14px; }

.features { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 12px; margin: 28px 0 8px; }
.feature { background: var(--card); border: 1px solid var(--line); border-radius: 16px; padding: 16px 18px; }
.feature h3 { margin: 0 0 4px; font-size: 17px; }
.feature p { margin: 0; color: var(--muted); font-size: 15px; }

.shared { display: none; margin: 0 auto 10px; max-width: 520px; background: rgba(255, 210, 63, 0.10); border: 1px solid rgba(255, 210, 63, 0.35); border-radius: 14px; padding: 12px 16px; }
.shared.on { display: block; }
.shared code { color: var(--accent2); }

main.doc { padding: 8px 0 40px; }
main.doc h1 { font-size: 30px; line-height: 1.25; margin: 18px 0 6px; }
main.doc h2 { font-size: 20px; margin: 30px 0 8px; padding-top: 6px; }
main.doc h3 { font-size: 17px; margin: 20px 0 6px; }
main.doc p, main.doc li { color: #d9dcf7; }
main.doc ul, main.doc ol { padding-left: 22px; }
main.doc li { margin: 4px 0; }
main.doc .meta { color: var(--muted); font-size: 14px; margin: 0 0 14px; }
main.doc .summary { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 6px 18px; }
main.doc .lang-switch { display: flex; gap: 10px; margin: 6px 0 0; font-size: 14px; }
main.doc .lang-switch a { border: 1px solid var(--line); border-radius: 999px; padding: 3px 12px; text-decoration: none; color: var(--text); }
main.doc table { width: 100%; border-collapse: collapse; margin: 10px 0; font-size: 14px; display: block; overflow-x: auto; }
main.doc th, main.doc td { border: 1px solid var(--line); padding: 8px 10px; text-align: left; vertical-align: top; min-width: 120px; }
main.doc th { background: rgba(140, 150, 255, 0.08); }
hr.sep { border: 0; border-top: 1px solid var(--line); margin: 48px 0 8px; }

footer.bottom { border-top: 1px solid var(--line); margin-top: 40px; padding: 22px 0 36px; color: var(--muted); font-size: 14px; }
footer.bottom .links { display: flex; flex-wrap: wrap; gap: 6px 16px; margin-bottom: 8px; }
footer.bottom a { color: var(--muted); }