/* Base */
:root {
  --bg: #ffffff;
  --bg-alt: #f4f6f8;
  --fg: #1b2430;
  --fg-muted: #5b6672;
  --border: #dde2e7;
  --accent: #2f6fed;
  --accent-fg: #ffffff;
  --code-bg: #f0f2f5;
  --ok: #1a7f4c;
  --warn: #b3620a;
  --font-sans: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, "Cascadia Mono", Consolas, monospace;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #12161c;
    --bg-alt: #1a1f27;
    --fg: #dde3ea;
    --fg-muted: #8b95a1;
    --border: #2a313b;
    --accent: #6c9bf5;
    --accent-fg: #0d1117;
    --code-bg: #1a1f27;
    --ok: #3fbf7f;
    --warn: #e0a13e;
  }
}

* {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--fg);
  line-height: 1.55;
  font-size: 16px;
}

.wrap {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 20px;
}

img, svg {
  max-width: 100%;
}

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

a:hover {
  text-decoration: underline;
}

/* Header */
.site-header {
  border-bottom: 1px solid var(--border);
}

.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 16px;
  padding-bottom: 16px;
  flex-wrap: wrap;
  gap: 12px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  color: var(--fg);
  font-size: 1.05rem;
}

.brand:hover {
  text-decoration: none;
}

.brand svg {
  width: 22px;
  height: 22px;
  color: var(--accent);
}

.nav-links {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

.nav-links a {
  color: var(--fg-muted);
  font-size: 0.95rem;
}

.nav-links a:hover {
  color: var(--fg);
}

/* Main content */
main {
  padding: 40px 0 60px;
}

h1, h2, h3 {
  line-height: 1.25;
}

h1 {
  font-size: 1.9rem;
  margin: 0 0 8px;
}

h2 {
  font-size: 1.35rem;
  margin: 40px 0 12px;
}

h3 {
  font-size: 1.1rem;
  margin: 24px 0 8px;
}

p {
  margin: 0 0 14px;
}

.tagline {
  color: var(--fg-muted);
  font-size: 1.1rem;
  margin: 0 0 28px;
}

.lede {
  color: var(--fg-muted);
  font-size: 1.05rem;
}

/* Feature grid */
.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin: 24px 0;
}

@media (max-width: 640px) {
  .grid {
    grid-template-columns: 1fr;
  }
}

.card {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px 18px;
  background: var(--bg-alt);
}

.card h3 {
  margin-top: 0;
}

.card svg {
  width: 22px;
  height: 22px;
  color: var(--accent);
  margin-bottom: 8px;
}

/* Code blocks */
pre {
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 14px 16px;
  overflow-x: auto;
  font-size: 0.85rem;
  line-height: 1.5;
}

code {
  font-family: var(--font-mono);
}

p code, li code, td code {
  background: var(--code-bg);
  padding: 1px 5px;
  border-radius: 4px;
  font-size: 0.88em;
}

pre code {
  background: none;
  padding: 0;
}

/* Tables */
table {
  width: 100%;
  border-collapse: collapse;
  margin: 16px 0 24px;
  font-size: 0.92rem;
}

th, td {
  text-align: left;
  padding: 8px 10px;
  border-bottom: 1px solid var(--border);
}

th {
  color: var(--fg-muted);
  font-weight: 600;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

/* Status badges */
.status-ok {
  color: var(--ok);
  font-weight: 600;
}

.status-warn {
  color: var(--warn);
  font-weight: 600;
}

.badge-ok {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 10px 14px;
  color: var(--ok);
  font-weight: 600;
  margin-bottom: 20px;
}

.badge-ok::before {
  content: "";
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--ok);
  display: inline-block;
}

/* Docs list */
.doc-list {
  list-style: none;
  padding: 0;
  margin: 20px 0;
}

.doc-list li {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 14px 16px;
  margin-bottom: 10px;
  background: var(--bg-alt);
}

.doc-list a {
  font-weight: 600;
  font-size: 1.02rem;
}

.doc-list p {
  margin: 4px 0 0;
  color: var(--fg-muted);
  font-size: 0.92rem;
}

/* Changelog */
.entry {
  border-bottom: 1px solid var(--border);
  padding: 18px 0;
}

.entry:first-child {
  padding-top: 0;
}

.entry h3 {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 1rem;
}

.entry ul {
  margin: 0;
  padding-left: 20px;
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--border);
  color: var(--fg-muted);
  font-size: 0.88rem;
}

.site-footer .wrap {
  padding: 24px 20px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
}

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

.footer-links {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.error-code {
  font-family: var(--font-mono);
  font-size: 3rem;
  color: var(--fg-muted);
  margin: 0;
}