:root {
  --bg: #f7f7f8;
  --surface: #ffffff;
  --text: #1f2328;
  --muted: #6b7280;
  --border: #e5e7eb;
  --accent: #4f46e5;
  --accent-soft: #eef2ff;
  --common: #0f766e;
  --ok: #16a34a;
  --bad: #dc2626;
  --code-bg: #f1f5f9;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1115;
    --surface: #171a21;
    --text: #e6e7ea;
    --muted: #9aa0aa;
    --border: #262b35;
    --accent: #818cf8;
    --accent-soft: #1e1b4b;
    --common: #2dd4bf;
    --code-bg: #1f2430;
  }
}

* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
code {
  font: 0.88em ui-monospace, Menlo, Consolas, monospace;
  background: var(--code-bg);
  padding: 1px 6px;
  border-radius: 4px;
}
.muted { color: var(--muted); }

.top {
  position: sticky; top: 0; z-index: 10;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 12px 24px;
  background: color-mix(in srgb, var(--surface) 88%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}
.logo { font-weight: 700; font-size: 18px; color: var(--text); }
.logo span { color: var(--accent); margin-left: 2px; }
.top nav { display: flex; gap: 18px; font-size: 15px; }
.top nav a { color: var(--muted); }
.top nav a:hover { color: var(--text); text-decoration: none; }

main { max-width: 1120px; margin: 0 auto; padding: 32px 24px 64px; }

.hero h1 { font-size: 32px; margin: 0 0 4px; letter-spacing: -0.02em; }
.hero p { margin: 0 0 16px; }
.toc { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 8px; }
.toc a {
  padding: 4px 12px; border-radius: 999px;
  background: var(--accent-soft); font-size: 14px;
}
.toc a:hover { text-decoration: none; filter: brightness(0.97); }

.brand { margin-top: 40px; scroll-margin-top: 72px; }
.brand h2 {
  font-size: 20px; margin: 0 0 14px; padding-left: 12px;
  border-left: 4px solid var(--accent);
}
.brand.common { margin-top: 56px; padding-top: 32px; border-top: 1px dashed var(--border); }
.brand.common h2 { border-left-color: var(--common); margin-bottom: 2px; }
.brand.common > p { margin: 0 0 14px 16px; font-size: 14px; }

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 14px;
}
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px 18px;
  min-width: 0;
}
.card-head { display: flex; align-items: center; gap: 8px; margin-bottom: 10px; }
.card-head h3 { font-size: 16px; margin: 0; flex: 1; }
.dot { width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0; }
.dot.ok { background: var(--ok); }
.dot.bad { background: var(--bad); }
.doc-link { font-size: 13px; white-space: nowrap; }
.card-head { margin-bottom: 6px; }
.links { font-size: 14px; overflow-wrap: anywhere; }
.card[hidden], .brand[hidden] { display: none; }
#no-result { text-align: center; margin-top: 40px; }

.search { position: relative; max-width: 560px; margin: 0 0 14px; }
.search input {
  width: 100%;
  padding: 11px 44px 11px 14px;
  font: inherit;
  color: var(--text);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  outline: none;
}
.search input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.search kbd {
  position: absolute; right: 12px; top: 50%; transform: translateY(-50%);
  font: 12px ui-monospace, Menlo, monospace; color: var(--muted);
  border: 1px solid var(--border); border-radius: 4px; padding: 1px 6px;
}

footer { margin-top: 48px; font-size: 13px; text-align: center; }

.doc-list { padding-left: 20px; font-size: 17px; }
.doc-list li { margin-bottom: 6px; }
.prose { max-width: 720px; }
.prose h1 { font-size: 30px; letter-spacing: -0.02em; }
.prose h2 { margin-top: 36px; padding-top: 16px; border-top: 1px solid var(--border); }
.prose pre { background: var(--code-bg); padding: 12px 14px; border-radius: 8px; overflow-x: auto; }
.prose pre code { padding: 0; background: none; }
.prose img { max-width: 100%; border-radius: 8px; border: 1px solid var(--border); }
.prose table { border-collapse: collapse; width: 100%; }
.prose th, .prose td { border-bottom: 1px solid var(--border); padding: 8px 6px; text-align: left; }

@media (max-width: 560px) {
  .top { padding: 10px 16px; }
  .top nav { gap: 12px; font-size: 14px; }
  main { padding: 24px 16px 48px; }
  .grid { grid-template-columns: 1fr; }
}