:root {
  --bg: #faf7f2;
  --fg: #1a1a1a;
  --muted: #6b6760;
  --accent: #c8782b;
  --border: #e8e2d6;
  --card: #ffffff;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  background: var(--bg);
  color: var(--fg);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  line-height: 1.65;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

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

.brand {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 32px;
}

.brand-name {
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--fg);
  text-decoration: none;
  font-size: 16px;
}

.brand-sub {
  color: var(--muted);
  font-size: 13px;
}

.lang-switch {
  margin-left: auto;
  font-size: 13px;
}

.lang-switch a {
  color: var(--muted);
  text-decoration: none;
  padding: 4px 8px;
  border: 1px solid var(--border);
  border-radius: 6px;
}

.lang-switch a:hover { background: var(--card); color: var(--fg); }

h1 {
  font-size: 28px;
  letter-spacing: -0.02em;
  font-weight: 700;
  margin-bottom: 8px;
}

.meta {
  color: var(--muted);
  font-size: 14px;
  margin-bottom: 32px;
}

h2 {
  font-size: 18px;
  font-weight: 700;
  margin: 32px 0 12px;
  letter-spacing: -0.01em;
}

h3 {
  font-size: 15px;
  font-weight: 600;
  margin: 20px 0 8px;
  color: var(--fg);
}

p, ul, ol { margin-bottom: 14px; }

ul, ol { padding-left: 22px; }
li { margin-bottom: 6px; }

a { color: var(--accent); text-decoration: underline; text-underline-offset: 2px; }
a:hover { text-decoration-thickness: 2px; }

code, kbd {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 1px 6px;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 13px;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin: 16px 0;
  font-size: 14px;
}
th, td {
  text-align: left;
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}
th { background: var(--card); font-weight: 600; }

footer {
  margin-top: 64px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 13px;
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: space-between;
}

footer a { color: var(--muted); }

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #1a1814;
    --fg: #f0ece4;
    --muted: #a09a8e;
    --accent: #e89a4c;
    --border: #2e2a24;
    --card: #221f1a;
  }
}