:root {
  --bg: #ffffff;
  --bg-alt: #f6f7f9;
  --fg: #1a1d23;
  --fg-muted: #5b6270;
  --border: #e2e5ea;
  --accent: #6a4cff;
  --accent-fg: #ffffff;
  --code-bg: #f0f1f5;
  --code-fg: #3a3f4b;
  --warn-bg: #fff8e6;
  --warn-border: #f0d68a;
  --link: #5433e0;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14161b;
    --bg-alt: #1b1e25;
    --fg: #e8e9ec;
    --fg-muted: #9aa0ac;
    --border: #2c303a;
    --accent: #9c8bff;
    --accent-fg: #14161b;
    --code-bg: #20232c;
    --code-fg: #d3d6dd;
    --warn-bg: #2a2410;
    --warn-border: #5c4d17;
    --link: #b3a6ff;
  }
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.6;
}

a {
  color: var(--link);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.site-header {
  border-bottom: 1px solid var(--border);
  background: var(--bg-alt);
}

.site-header-inner {
  max-width: 860px;
  margin: 0 auto;
  padding: 1rem 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.site-header img {
  width: 32px;
  height: 32px;
  border-radius: 6px;
}

.site-header .site-title {
  font-weight: 700;
  font-size: 1.05rem;
  margin-right: auto;
}

.site-nav {
  display: flex;
  gap: 1.1rem;
  flex-wrap: wrap;
  font-size: 0.92rem;
}

.site-nav a {
  color: var(--fg-muted);
  white-space: nowrap;
}

.site-nav a.active,
.site-nav a:hover {
  color: var(--fg);
}

main {
  max-width: 860px;
  margin: 0 auto;
  padding: 2.5rem 1.5rem 5rem;
}

.hero {
  text-align: center;
  padding: 1rem 0 2.5rem;
}

.hero img {
  width: 96px;
  height: 96px;
  border-radius: 18px;
  margin-bottom: 1rem;
}

.hero h1 {
  margin: 0 0 0.5rem;
  font-size: 2rem;
}

.hero p {
  color: var(--fg-muted);
  font-size: 1.1rem;
  max-width: 40em;
  margin: 0 auto;
}

h1, h2, h3, h4 {
  line-height: 1.3;
}

h1 {
  font-size: 1.9rem;
}

h2 {
  font-size: 1.4rem;
  margin-top: 2.5rem;
  padding-bottom: 0.4rem;
  border-bottom: 1px solid var(--border);
}

h3 {
  font-size: 1.12rem;
  margin-top: 1.8rem;
}

p, ul, ol {
  color: var(--fg);
}

.lede {
  font-size: 1.08rem;
  color: var(--fg-muted);
}

code {
  background: var(--code-bg);
  color: var(--code-fg);
  padding: 0.15em 0.4em;
  border-radius: 4px;
  font-size: 0.88em;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

pre {
  background: var(--code-bg);
  color: var(--code-fg);
  padding: 1rem 1.1rem;
  border-radius: 8px;
  overflow-x: auto;
  font-size: 0.88rem;
  line-height: 1.5;
}

pre code {
  background: none;
  padding: 0;
  border-radius: 0;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.25rem 0;
  font-size: 0.94rem;
}

th, td {
  text-align: left;
  padding: 0.55rem 0.7rem;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}

th {
  color: var(--fg-muted);
  font-weight: 600;
  border-bottom: 2px solid var(--border);
}

.callout {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1rem 1.25rem;
  margin: 1.5rem 0;
}

.callout.warn {
  background: var(--warn-bg);
  border-color: var(--warn-border);
}

.callout p:first-child {
  margin-top: 0;
}

.callout p:last-child {
  margin-bottom: 0;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
  margin: 1.5rem 0;
}

.card {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.1rem 1.2rem;
  background: var(--bg-alt);
}

.card h3 {
  margin-top: 0;
  font-size: 1rem;
}

.card p {
  color: var(--fg-muted);
  font-size: 0.92rem;
  margin-bottom: 0;
}

.setting-group {
  margin-top: 2rem;
}

.setting-group h3 {
  color: var(--accent);
}

.setting {
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--border);
}

.setting:last-child {
  border-bottom: none;
}

.setting .name {
  font-weight: 600;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.95rem;
}

.setting .default {
  color: var(--fg-muted);
  font-size: 0.85rem;
  margin-left: 0.5rem;
}

.setting p {
  margin: 0.35rem 0 0;
  color: var(--fg-muted);
  font-size: 0.94rem;
}

footer {
  max-width: 860px;
  margin: 0 auto;
  padding: 2rem 1.5rem 3rem;
  color: var(--fg-muted);
  font-size: 0.85rem;
  border-top: 1px solid var(--border);
}

.btn {
  display: inline-block;
  background: var(--accent);
  color: var(--accent-fg);
  padding: 0.6rem 1.1rem;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.95rem;
}

.btn:hover {
  text-decoration: none;
  opacity: 0.9;
}