:root {
  --bg: #0b0d10;
  --card: #14181d;
  --line: #232a32;
  --fg: #e8ecf1;
  --muted: #9aa6b4;
  --accent: #4aa3ff;
  --warn: #f0b429;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #f7f8fa;
    --card: #ffffff;
    --line: #e2e6ea;
    --fg: #1a1f25;
    --muted: #5c6773;
    --accent: #0a6ed1;
    --warn: #a86a00;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  padding: 0 20px 64px;
  background: var(--bg);
  color: var(--fg);
  font: 16px/1.7 -apple-system, BlinkMacSystemFont, "Segoe UI", "Apple SD Gothic Neo",
        "Noto Sans KR", Roboto, sans-serif;
  -webkit-text-size-adjust: 100%;
}

.wrap { max-width: 760px; margin: 0 auto; }

header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  padding: 28px 0 20px;
  border-bottom: 1px solid var(--line);
}

.brand { display: flex; align-items: center; gap: 12px; }
.brand .mark {
  width: 40px; height: 40px; border-radius: 10px; flex: none;
  background: conic-gradient(from 210deg, #c9a227, #b34cc4, #2f7fe0, #17b8b0, #8a8f96, #c9a227);
}
.brand h1 { font-size: 19px; margin: 0; letter-spacing: -0.2px; }
.brand p { margin: 0; font-size: 13px; color: var(--muted); }

.lang { display: flex; gap: 4px; }
.lang button {
  font: inherit; font-size: 13px;
  padding: 6px 14px; border-radius: 999px; cursor: pointer;
  background: transparent; color: var(--muted);
  border: 1px solid var(--line);
}
.lang button[aria-pressed="true"] {
  background: var(--accent); border-color: var(--accent); color: #fff;
}

nav { padding: 16px 0 0; font-size: 14px; }
nav a { color: var(--muted); text-decoration: none; margin-right: 16px; }
nav a:hover, nav a.here { color: var(--accent); }

h2 { font-size: 21px; margin: 40px 0 12px; letter-spacing: -0.2px; }
h3 { font-size: 16px; margin: 26px 0 8px; }
p, li { color: var(--fg); }
li { margin: 4px 0; }
a { color: var(--accent); }

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 18px 20px;
  margin: 18px 0;
}

.notice { border-left: 3px solid var(--warn); }
.notice h3 { color: var(--warn); margin-top: 0; }

.muted { color: var(--muted); font-size: 14px; }

table { width: 100%; border-collapse: collapse; margin: 12px 0; font-size: 14px; }
th, td { text-align: left; padding: 9px 10px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { color: var(--muted); font-weight: 600; }

footer {
  margin-top: 48px; padding-top: 20px;
  border-top: 1px solid var(--line);
  color: var(--muted); font-size: 13px;
}

[data-lang] { display: none; }
html[lang="ko"] [data-lang="ko"] { display: revert; }
html[lang="en"] [data-lang="en"] { display: revert; }