:root {
  --bg: #ffffff;
  --text: #1a1d23;
  --muted: #5b6472;
  --line: #e2e6ec;
  --accent: #d2691e;
  --warn-bg: #fff8e6;
  --warn-line: #e8c86a;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1115;
    --text: #e8ebf0;
    --muted: #9aa3b2;
    --line: #262b34;
    --accent: #ff9a4d;
    --warn-bg: #2a2313;
    --warn-line: #6b5a24;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.65 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

.wrap {
  max-width: 760px;
  margin: 0 auto;
  padding: 40px 20px 80px;
}

header {
  border-bottom: 1px solid var(--line);
  padding-bottom: 18px;
  margin-bottom: 28px;
}

.brand {
  font-weight: 800;
  letter-spacing: -0.4px;
  font-size: 18px;
  text-decoration: none;
  color: var(--text);
}

nav {
  margin-top: 12px;
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  font-size: 14px;
}

nav a { color: var(--muted); text-decoration: none; }
nav a:hover { color: var(--accent); text-decoration: underline; }

h1 { font-size: 28px; line-height: 1.25; margin: 0 0 6px; letter-spacing: -0.6px; }
h2 { font-size: 20px; margin: 36px 0 10px; letter-spacing: -0.3px; }
h3 { font-size: 16px; margin: 24px 0 8px; }

.updated { color: var(--muted); font-size: 14px; margin: 0 0 24px; }

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

table {
  width: 100%;
  border-collapse: collapse;
  margin: 16px 0;
  font-size: 15px;
}

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

th { font-size: 13px; text-transform: uppercase; letter-spacing: 0.04em; color: var(--muted); }

.scroll { overflow-x: auto; }

.callout {
  background: var(--warn-bg);
  border: 1px solid var(--warn-line);
  border-radius: 10px;
  padding: 14px 16px;
  margin: 20px 0;
  font-size: 15px;
}

code {
  font-family: ui-monospace, "Cascadia Code", Consolas, monospace;
  font-size: 13px;
  background: color-mix(in srgb, var(--line) 60%, transparent);
  padding: 2px 6px;
  border-radius: 5px;
}

footer {
  margin-top: 56px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 14px;
}

ul { padding-left: 22px; }
li { margin: 6px 0; }

/* language switch */
.lang-switch{display:inline-flex;border:1px solid rgba(255,255,255,.18);border-radius:999px;overflow:hidden;font-size:13px;font-weight:700;letter-spacing:.06em}
.lang-switch a{padding:6px 12px;text-decoration:none;color:inherit;opacity:.65}
.lang-switch a.on{background:#8a5cff;color:#fff;opacity:1}
.lang-switch{float:right}
header::after{content:'';display:block;clear:both}