:root {
  --bg: #ffffff;
  --fg: #1a1a1a;
  --muted: #666;
  --accent: #6C63FF;
  --border: #e5e5e5;
  --code-bg: #f5f5f7;
  --warn-bg: #fff8e1;
  --warn-border: #ffd54f;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #121220;
    --fg: #e2e2f0;
    --muted: #8e8ea0;
    --accent: #9d97ff;
    --border: #2a2a3e;
    --code-bg: #1e1e2e;
    --warn-bg: #3a2e1a;
    --warn-border: #b8860b;
  }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Noto Sans KR', sans-serif;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

.container {
  max-width: 760px;
  margin: 0 auto;
  padding: 48px 24px 96px;
}

header.page-head {
  border-bottom: 1px solid var(--border);
  padding-bottom: 24px;
  margin-bottom: 32px;
}

header.page-head .brand {
  font-size: 14px;
  color: var(--muted);
  margin: 0 0 8px;
  letter-spacing: 0.02em;
}

header.page-head h1 {
  font-size: 32px;
  margin: 0 0 12px;
  line-height: 1.25;
}

header.page-head .meta {
  font-size: 14px;
  color: var(--muted);
}

header.page-head .lang-switch {
  margin-top: 12px;
  font-size: 14px;
}

header.page-head .lang-switch a {
  color: var(--accent);
  text-decoration: none;
  margin-right: 8px;
}

header.page-head .lang-switch a:hover { text-decoration: underline; }

h2 {
  font-size: 22px;
  margin: 40px 0 12px;
  padding-top: 8px;
  scroll-margin-top: 24px;
}

h3 {
  font-size: 17px;
  margin: 24px 0 8px;
  color: var(--fg);
}

p, ul, ol { margin: 0 0 16px; }
ul, ol { padding-left: 24px; }
li { margin-bottom: 6px; }

a { color: var(--accent); }

table {
  width: 100%;
  border-collapse: collapse;
  margin: 16px 0 24px;
  font-size: 14px;
}

th, td {
  border: 1px solid var(--border);
  padding: 10px 12px;
  text-align: left;
  vertical-align: top;
}

th {
  background: var(--code-bg);
  font-weight: 600;
}

code {
  background: var(--code-bg);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 13px;
  font-family: 'SF Mono', Menlo, Consolas, monospace;
}

.notice {
  background: var(--warn-bg);
  border: 1px solid var(--warn-border);
  border-radius: 8px;
  padding: 16px 20px;
  margin: 24px 0;
  font-size: 14px;
}

.notice strong { display: block; margin-bottom: 4px; }

footer.page-foot {
  border-top: 1px solid var(--border);
  padding-top: 24px;
  margin-top: 64px;
  font-size: 13px;
  color: var(--muted);
}

footer.page-foot a { color: var(--accent); text-decoration: none; }
footer.page-foot a:hover { text-decoration: underline; }

.toc {
  background: var(--code-bg);
  border-radius: 8px;
  padding: 16px 20px 16px 40px;
  margin: 24px 0 32px;
  font-size: 14px;
}

.toc ol { margin: 0; padding-left: 8px; }
.toc li { margin-bottom: 4px; }
.toc a { color: var(--fg); text-decoration: none; }
.toc a:hover { color: var(--accent); }