:root {
  --bg: #fbfaf8; --fg: #1c1b19; --muted: #6b6862; --line: #e3e0da;
  --accent: #7a5cff; --card: #ffffff;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #15140f; --fg: #f0eee9; --muted: #a5a19a; --line: #2f2d27;
          --accent: #a894ff; --card: #1d1c17; }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--fg);
  font: 16px/1.65 -apple-system, BlinkMacSystemFont, "Segoe UI", "Apple SD Gothic Neo",
        "Noto Sans KR", sans-serif; }
.wrap { max-width: 46rem; margin: 0 auto; padding: 3rem 1.25rem 5rem; }
header { display: flex; align-items: baseline; gap: .75rem; flex-wrap: wrap;
  border-bottom: 1px solid var(--line); padding-bottom: 1rem; margin-bottom: 2rem; }
header h1 { font-size: 1.35rem; margin: 0; letter-spacing: -.01em; }
header nav { margin-left: auto; display: flex; gap: 1rem; font-size: .9rem; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
h2 { font-size: 1.15rem; margin: 2.5rem 0 .75rem; letter-spacing: -.01em; }
h3 { font-size: 1rem; margin: 1.75rem 0 .5rem; }
p, li { color: var(--fg); }
.muted { color: var(--muted); }
.apps { display: grid; gap: 1rem; grid-template-columns: repeat(auto-fit, minmax(14rem, 1fr));
  margin: 2rem 0; }
.app { background: var(--card); border: 1px solid var(--line); border-radius: 12px;
  padding: 1.1rem 1.15rem; }
.app h3 { margin: 0 0 .35rem; }
.app p { margin: 0; font-size: .92rem; color: var(--muted); }
dl { margin: 1rem 0; }
dt { font-weight: 600; margin-top: 1.1rem; }
dd { margin: .25rem 0 0; color: var(--muted); }
table { border-collapse: collapse; width: 100%; margin: 1rem 0; font-size: .93rem; }
th, td { text-align: left; padding: .5rem .6rem; border-bottom: 1px solid var(--line);
  vertical-align: top; }
th { color: var(--muted); font-weight: 600; }
code { font: .88em ui-monospace, SFMono-Regular, Menlo, monospace;
  background: color-mix(in srgb, var(--fg) 7%, transparent); padding: .1em .35em;
  border-radius: 4px; }
footer { margin-top: 4rem; padding-top: 1.25rem; border-top: 1px solid var(--line);
  font-size: .88rem; color: var(--muted); }
.lang { font-size: .85rem; color: var(--muted); margin-bottom: 1.5rem; }